diff --git a/apps/as/app/(with-base-layout)/design-cnstn/[id]/edit/page.tsx b/apps/as/app/(with-base-layout)/design-cnstn/[id]/edit/page.tsx
new file mode 100644
index 000000000..e5df52e22
--- /dev/null
+++ b/apps/as/app/(with-base-layout)/design-cnstn/[id]/edit/page.tsx
@@ -0,0 +1,10 @@
+import { DesignEditPage } from "@/pages/design-cnstn";
+
+interface PageProps {
+  params: Promise<{ id: string }>;
+}
+
+export default async function Page({ params }: PageProps) {
+  const { id } = await params;
+  return <DesignEditPage id={id} />;
+}
diff --git a/apps/as/app/(with-base-layout)/design-cnstn/[id]/page.tsx b/apps/as/app/(with-base-layout)/design-cnstn/[id]/page.tsx
new file mode 100644
index 000000000..1b0fc983c
--- /dev/null
+++ b/apps/as/app/(with-base-layout)/design-cnstn/[id]/page.tsx
@@ -0,0 +1,10 @@
+import { DesignViewPage } from "@/pages/design-cnstn";
+
+interface PageProps {
+  params: Promise<{ id: string }>;
+}
+
+export default async function Page({ params }: PageProps) {
+  const { id } = await params;
+  return <DesignViewPage id={id} />;
+}
diff --git a/apps/as/app/(with-base-layout)/design-cnstn/page.tsx b/apps/as/app/(with-base-layout)/design-cnstn/page.tsx
new file mode 100644
index 000000000..cced4a877
--- /dev/null
+++ b/apps/as/app/(with-base-layout)/design-cnstn/page.tsx
@@ -0,0 +1,3 @@
+import { DesignListPage } from "@/pages/design-cnstn";
+
+export default DesignListPage;
diff --git a/apps/as/app/(with-base-layout)/design-cnstn/regist/page.tsx b/apps/as/app/(with-base-layout)/design-cnstn/regist/page.tsx
new file mode 100644
index 000000000..567b634d5
--- /dev/null
+++ b/apps/as/app/(with-base-layout)/design-cnstn/regist/page.tsx
@@ -0,0 +1,12 @@
+import { DesignRegistPage } from "@/pages/design-cnstn";
+import { parseTaskSeComCdFromApi } from "@/pages/design-cnstn/lib/design-cnstn-regist-schema";
+
+interface PageProps {
+  searchParams: Promise<{ taskSeComCd?: string }>;
+}
+
+export default async function Page({ searchParams }: PageProps) {
+  const params = await searchParams;
+  const taskSeComCd = parseTaskSeComCdFromApi(params.taskSeComCd);
+  return <DesignRegistPage taskSeComCd={taskSeComCd.length ? taskSeComCd : undefined} />;
+}
diff --git a/apps/as/src/entities/code/ui/code-select.tsx b/apps/as/src/entities/code/ui/code-select.tsx
index e803e9285..74d011bcd 100644
--- a/apps/as/src/entities/code/ui/code-select.tsx
+++ b/apps/as/src/entities/code/ui/code-select.tsx
@@ -18,13 +18,7 @@ interface CodeSelectProps extends React.ComponentPropsWithoutRef<typeof Select>
   className?: string;
 }
 
-function CodeSelect({
-  upCd,
-  useYn,
-  placeholder = "선택",
-  className,
-  ...props
-}: CodeSelectProps) {
+function CodeSelect({ upCd, useYn, placeholder = "선택", className, ...props }: CodeSelectProps) {
   const listQuery = useCodeList(useYn ? undefined : upCd);
   const listByUseYnQuery = useCodeListByUseYn(useYn ? upCd : undefined, useYn ?? "");
 
@@ -34,7 +28,7 @@ function CodeSelect({
   return (
     <Select {...props} disabled={props.disabled || isLoading}>
       <SelectTrigger className={cn("w-[12rem]", className)}>
-        <SelectValue placeholder={isLoading ? "로딩 중…" : placeholder} />
+        <SelectValue placeholder={placeholder} />
       </SelectTrigger>
       <SelectContent>
         {codes?.map((item) => (
diff --git a/apps/as/src/entities/design-cnstn/api/design-cnstn-biz-cst-service.ts b/apps/as/src/entities/design-cnstn/api/design-cnstn-biz-cst-service.ts
new file mode 100644
index 000000000..427f6e65a
--- /dev/null
+++ b/apps/as/src/entities/design-cnstn/api/design-cnstn-biz-cst-service.ts
@@ -0,0 +1,58 @@
+import { client } from "@/shared/api";
+import { ENDPOINT } from "@/shared/config";
+import type { PageResponse } from "@/shared/model";
+
+import type {
+  DesignCnstnBizCstId,
+  DesignCnstnBizCstResponseDto,
+  DesignCnstnBizCstSaveRequestDto,
+  DesignCnstnBizCstSearchDto,
+  DesignCnstnBizCstService,
+  DesignCnstnBizCstUpdateRequestDto,
+} from "../model/design-cnstn-biz-cst-interface";
+
+const BASE = ENDPOINT.AS_SERVICE.DESIGN_CNSTN_BIZ_CST;
+
+async function findPage(
+  searchDto: DesignCnstnBizCstSearchDto,
+): Promise<PageResponse<DesignCnstnBizCstResponseDto>> {
+  const response = await client.get<PageResponse<DesignCnstnBizCstResponseDto>>(BASE, {
+    params: searchDto,
+  });
+  return response.data;
+}
+
+async function findById(
+  designCnstnDocNo: string,
+  acntgSeCd: string,
+): Promise<DesignCnstnBizCstResponseDto> {
+  const response = await client.get<DesignCnstnBizCstResponseDto>(
+    `${BASE}/${designCnstnDocNo}/${acntgSeCd}`,
+  );
+  return response.data;
+}
+
+async function save(body: DesignCnstnBizCstSaveRequestDto): Promise<DesignCnstnBizCstId> {
+  const response = await client.post<DesignCnstnBizCstId>(BASE, body);
+  return response.data;
+}
+
+async function update(
+  designCnstnDocNo: string,
+  acntgSeCd: string,
+  body: DesignCnstnBizCstUpdateRequestDto,
+): Promise<void> {
+  await client.put<void>(`${BASE}/${designCnstnDocNo}/${acntgSeCd}`, body);
+}
+
+async function deleteDesignCnstnBizCst(designCnstnDocNo: string, acntgSeCd: string): Promise<void> {
+  await client.delete<void>(`${BASE}/${designCnstnDocNo}/${acntgSeCd}`);
+}
+
+export const designCnstnBizCstService = {
+  findPage,
+  findById,
+  save,
+  update,
+  delete: deleteDesignCnstnBizCst,
+} satisfies DesignCnstnBizCstService;
diff --git a/apps/as/src/entities/design-cnstn/api/design-cnstn-biz-scl-service.ts b/apps/as/src/entities/design-cnstn/api/design-cnstn-biz-scl-service.ts
new file mode 100644
index 000000000..d4cc8cabf
--- /dev/null
+++ b/apps/as/src/entities/design-cnstn/api/design-cnstn-biz-scl-service.ts
@@ -0,0 +1,58 @@
+import { client } from "@/shared/api";
+import { ENDPOINT } from "@/shared/config";
+import type { PageResponse } from "@/shared/model";
+
+import type {
+  DesignCnstnBizSclId,
+  DesignCnstnBizSclResponseDto,
+  DesignCnstnBizSclSaveRequestDto,
+  DesignCnstnBizSclSearchDto,
+  DesignCnstnBizSclService,
+  DesignCnstnBizSclUpdateRequestDto,
+} from "../model/design-cnstn-biz-scl-interface";
+
+const BASE = ENDPOINT.AS_SERVICE.DESIGN_CNSTN_BIZ_SCL;
+
+async function findPage(
+  searchDto: DesignCnstnBizSclSearchDto,
+): Promise<PageResponse<DesignCnstnBizSclResponseDto>> {
+  const response = await client.get<PageResponse<DesignCnstnBizSclResponseDto>>(BASE, {
+    params: searchDto,
+  });
+  return response.data;
+}
+
+async function findById(
+  designCnstnDocNo: string,
+  cnstpSeCd: string,
+): Promise<DesignCnstnBizSclResponseDto> {
+  const response = await client.get<DesignCnstnBizSclResponseDto>(
+    `${BASE}/${designCnstnDocNo}/${cnstpSeCd}`,
+  );
+  return response.data;
+}
+
+async function save(body: DesignCnstnBizSclSaveRequestDto): Promise<DesignCnstnBizSclId> {
+  const response = await client.post<DesignCnstnBizSclId>(BASE, body);
+  return response.data;
+}
+
+async function update(
+  designCnstnDocNo: string,
+  cnstpSeCd: string,
+  body: DesignCnstnBizSclUpdateRequestDto,
+): Promise<void> {
+  await client.put<void>(`${BASE}/${designCnstnDocNo}/${cnstpSeCd}`, body);
+}
+
+async function deleteDesignCnstnBizScl(designCnstnDocNo: string, cnstpSeCd: string): Promise<void> {
+  await client.delete<void>(`${BASE}/${designCnstnDocNo}/${cnstpSeCd}`);
+}
+
+export const designCnstnBizSclService = {
+  findPage,
+  findById,
+  save,
+  update,
+  delete: deleteDesignCnstnBizScl,
+} satisfies DesignCnstnBizSclService;
diff --git a/apps/as/src/entities/design-cnstn/api/design-cnstn-esntl-atch-file-service.ts b/apps/as/src/entities/design-cnstn/api/design-cnstn-esntl-atch-file-service.ts
new file mode 100644
index 000000000..a47993149
--- /dev/null
+++ b/apps/as/src/entities/design-cnstn/api/design-cnstn-esntl-atch-file-service.ts
@@ -0,0 +1,63 @@
+import { client } from "@/shared/api";
+import { ENDPOINT } from "@/shared/config";
+import type { PageResponse } from "@/shared/model";
+
+import type {
+  DesignCnstnEsntlAtchFileId,
+  DesignCnstnEsntlAtchFileResponseDto,
+  DesignCnstnEsntlAtchFileSaveRequestDto,
+  DesignCnstnEsntlAtchFileSearchDto,
+  DesignCnstnEsntlAtchFileService,
+  DesignCnstnEsntlAtchFileUpdateRequestDto,
+} from "../model/design-cnstn-esntl-atch-file-interface";
+
+const BASE = ENDPOINT.AS_SERVICE.DESIGN_CNSTN_ESNTL_ATCH_FILE;
+
+async function findPage(
+  searchDto: DesignCnstnEsntlAtchFileSearchDto,
+): Promise<PageResponse<DesignCnstnEsntlAtchFileResponseDto>> {
+  const response = await client.get<PageResponse<DesignCnstnEsntlAtchFileResponseDto>>(BASE, {
+    params: searchDto,
+  });
+  return response.data;
+}
+
+async function findById(
+  designCnstnDocNo: string,
+  esntlAtchFileId: string,
+): Promise<DesignCnstnEsntlAtchFileResponseDto> {
+  const response = await client.get<DesignCnstnEsntlAtchFileResponseDto>(
+    `${BASE}/${designCnstnDocNo}/${esntlAtchFileId}`,
+  );
+  return response.data;
+}
+
+async function save(
+  body: DesignCnstnEsntlAtchFileSaveRequestDto,
+): Promise<DesignCnstnEsntlAtchFileId> {
+  const response = await client.post<DesignCnstnEsntlAtchFileId>(BASE, body);
+  return response.data;
+}
+
+async function update(
+  designCnstnDocNo: string,
+  esntlAtchFileId: string,
+  body: DesignCnstnEsntlAtchFileUpdateRequestDto,
+): Promise<void> {
+  await client.put<void>(`${BASE}/${designCnstnDocNo}/${esntlAtchFileId}`, body);
+}
+
+async function deleteDesignCnstnEsntlAtchFile(
+  designCnstnDocNo: string,
+  esntlAtchFileId: string,
+): Promise<void> {
+  await client.delete<void>(`${BASE}/${designCnstnDocNo}/${esntlAtchFileId}`);
+}
+
+export const designCnstnEsntlAtchFileService = {
+  findPage,
+  findById,
+  save,
+  update,
+  delete: deleteDesignCnstnEsntlAtchFile,
+} satisfies DesignCnstnEsntlAtchFileService;
diff --git a/apps/as/src/entities/design-cnstn/api/design-cnstn-mng-service.ts b/apps/as/src/entities/design-cnstn/api/design-cnstn-mng-service.ts
new file mode 100644
index 000000000..3fc3e52ae
--- /dev/null
+++ b/apps/as/src/entities/design-cnstn/api/design-cnstn-mng-service.ts
@@ -0,0 +1,61 @@
+import { client } from "@/shared/api";
+import { ENDPOINT } from "@/shared/config";
+import type { PageResponse } from "@/shared/model";
+
+import type {
+  DesignCnstnApplySaveRequestDto,
+  DesignCnstnMngDetResponseDto,
+  DesignCnstnMngResponseDto,
+  DesignCnstnMngSaveRequestDto,
+  DesignCnstnMngSearchDto,
+  DesignCnstnMngService,
+  DesignCnstnMngUpdateRequestDto,
+} from "../model/design-cnstn-mng-interface";
+
+const BASE = ENDPOINT.AS_SERVICE.DESIGN_CNSTN;
+
+async function findPage(
+  searchDto: DesignCnstnMngSearchDto,
+): Promise<PageResponse<DesignCnstnMngResponseDto>> {
+  const response = await client.get<PageResponse<DesignCnstnMngResponseDto>>(BASE, {
+    params: searchDto,
+  });
+  return response.data;
+}
+
+async function findById(id: string): Promise<DesignCnstnMngDetResponseDto> {
+  const response = await client.get<DesignCnstnMngDetResponseDto>(`${BASE}/${id}`);
+  return response.data;
+}
+
+async function save(body: DesignCnstnMngSaveRequestDto): Promise<string> {
+  const response = await client.post<string>(BASE, body);
+  return response.data;
+}
+
+async function saveApply(body: DesignCnstnApplySaveRequestDto): Promise<string> {
+  const response = await client.post<string>(`${BASE}/save-apply`, body);
+  return response.data;
+}
+
+async function update(id: string, body: DesignCnstnMngUpdateRequestDto): Promise<void> {
+  await client.put<void>(`${BASE}/${id}`, body);
+}
+
+async function techReview(id: string, body: DesignCnstnApplySaveRequestDto): Promise<void> {
+  await client.post<void>(`${BASE}/${id}/tech-review`, body);
+}
+
+async function deleteDesignCnstnMng(id: string): Promise<void> {
+  await client.delete<void>(`${BASE}/${id}`);
+}
+
+export const designCnstnMngService = {
+  findPage,
+  findById,
+  save,
+  saveApply,
+  update,
+  techReview,
+  delete: deleteDesignCnstnMng,
+} satisfies DesignCnstnMngService;
diff --git a/apps/as/src/entities/design-cnstn/api/design-cnstn-rvw-opnn-service.ts b/apps/as/src/entities/design-cnstn/api/design-cnstn-rvw-opnn-service.ts
new file mode 100644
index 000000000..514a0423f
--- /dev/null
+++ b/apps/as/src/entities/design-cnstn/api/design-cnstn-rvw-opnn-service.ts
@@ -0,0 +1,61 @@
+import { client } from "@/shared/api";
+import { ENDPOINT } from "@/shared/config";
+import type { PageResponse } from "@/shared/model";
+
+import type {
+  DesignCnstnRvwOpnnId,
+  DesignCnstnRvwOpnnResponseDto,
+  DesignCnstnRvwOpnnSaveRequestDto,
+  DesignCnstnRvwOpnnSearchDto,
+  DesignCnstnRvwOpnnService,
+  DesignCnstnRvwOpnnUpdateRequestDto,
+} from "../model/design-cnstn-rvw-opnn-interface";
+
+const BASE = ENDPOINT.AS_SERVICE.DESIGN_CNSTN_RVW_OPNN;
+
+async function findPage(
+  searchDto: DesignCnstnRvwOpnnSearchDto,
+): Promise<PageResponse<DesignCnstnRvwOpnnResponseDto>> {
+  const response = await client.get<PageResponse<DesignCnstnRvwOpnnResponseDto>>(BASE, {
+    params: searchDto,
+  });
+  return response.data;
+}
+
+async function findById(
+  designCnstnDocNo: string,
+  rvwOpnnSn: number,
+): Promise<DesignCnstnRvwOpnnResponseDto> {
+  const response = await client.get<DesignCnstnRvwOpnnResponseDto>(
+    `${BASE}/${designCnstnDocNo}/${rvwOpnnSn}`,
+  );
+  return response.data;
+}
+
+async function save(body: DesignCnstnRvwOpnnSaveRequestDto): Promise<DesignCnstnRvwOpnnId> {
+  const response = await client.post<DesignCnstnRvwOpnnId>(BASE, body);
+  return response.data;
+}
+
+async function update(
+  designCnstnDocNo: string,
+  rvwOpnnSn: number,
+  body: DesignCnstnRvwOpnnUpdateRequestDto,
+): Promise<void> {
+  await client.put<void>(`${BASE}/${designCnstnDocNo}/${rvwOpnnSn}`, body);
+}
+
+async function deleteDesignCnstnRvwOpnn(
+  designCnstnDocNo: string,
+  rvwOpnnSn: number,
+): Promise<void> {
+  await client.delete<void>(`${BASE}/${designCnstnDocNo}/${rvwOpnnSn}`);
+}
+
+export const designCnstnRvwOpnnService = {
+  findPage,
+  findById,
+  save,
+  update,
+  delete: deleteDesignCnstnRvwOpnn,
+} satisfies DesignCnstnRvwOpnnService;
diff --git a/apps/as/src/entities/design-cnstn/api/queries.ts b/apps/as/src/entities/design-cnstn/api/queries.ts
new file mode 100644
index 000000000..bafc9784a
--- /dev/null
+++ b/apps/as/src/entities/design-cnstn/api/queries.ts
@@ -0,0 +1,411 @@
+import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
+
+import { ENDPOINT } from "@/shared/config";
+
+import type {
+  DesignCnstnBizCstSaveRequestDto,
+  DesignCnstnBizCstSearchDto,
+  DesignCnstnBizCstUpdateRequestDto,
+} from "../model/design-cnstn-biz-cst-interface";
+import type {
+  DesignCnstnBizSclSaveRequestDto,
+  DesignCnstnBizSclSearchDto,
+  DesignCnstnBizSclUpdateRequestDto,
+} from "../model/design-cnstn-biz-scl-interface";
+import type {
+  DesignCnstnEsntlAtchFileSaveRequestDto,
+  DesignCnstnEsntlAtchFileSearchDto,
+  DesignCnstnEsntlAtchFileUpdateRequestDto,
+} from "../model/design-cnstn-esntl-atch-file-interface";
+import type {
+  DesignCnstnApplySaveRequestDto,
+  DesignCnstnMngSaveRequestDto,
+  DesignCnstnMngSearchDto,
+  DesignCnstnMngUpdateRequestDto,
+} from "../model/design-cnstn-mng-interface";
+import type {
+  DesignCnstnRvwOpnnSaveRequestDto,
+  DesignCnstnRvwOpnnSearchDto,
+  DesignCnstnRvwOpnnUpdateRequestDto,
+} from "../model/design-cnstn-rvw-opnn-interface";
+
+import { designCnstnBizCstService } from "./design-cnstn-biz-cst-service";
+import { designCnstnBizSclService } from "./design-cnstn-biz-scl-service";
+import { designCnstnEsntlAtchFileService } from "./design-cnstn-esntl-atch-file-service";
+import { designCnstnMngService } from "./design-cnstn-mng-service";
+import { designCnstnRvwOpnnService } from "./design-cnstn-rvw-opnn-service";
+
+export const designCnstnMngBaseKey = [ENDPOINT.AS_SERVICE.DESIGN_CNSTN] as const;
+export const designCnstnBizCstBaseKey = [ENDPOINT.AS_SERVICE.DESIGN_CNSTN_BIZ_CST] as const;
+export const designCnstnBizSclBaseKey = [ENDPOINT.AS_SERVICE.DESIGN_CNSTN_BIZ_SCL] as const;
+export const designCnstnEsntlAtchFileBaseKey = [
+  ENDPOINT.AS_SERVICE.DESIGN_CNSTN_ESNTL_ATCH_FILE,
+] as const;
+export const designCnstnRvwOpnnBaseKey = [ENDPOINT.AS_SERVICE.DESIGN_CNSTN_RVW_OPNN] as const;
+
+/* ─── DesignCnstnMng ─── */
+
+export function useDesignCnstnMngPage(params: DesignCnstnMngSearchDto) {
+  return useQuery({
+    queryKey: [...designCnstnMngBaseKey, "findPage", params],
+    queryFn: () => designCnstnMngService.findPage(params),
+  });
+}
+
+export function useDesignCnstnMng(id: string | null | undefined) {
+  return useQuery({
+    queryKey: [...designCnstnMngBaseKey, "findById", id],
+    queryFn: () => designCnstnMngService.findById(id!),
+    enabled: Boolean(id),
+  });
+}
+
+export function useSaveDesignCnstnMng() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (body: DesignCnstnMngSaveRequestDto) => designCnstnMngService.save(body),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+export function useSaveApplyDesignCnstnMng() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (body: DesignCnstnApplySaveRequestDto) => designCnstnMngService.saveApply(body),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+export function useUpdateDesignCnstnMng() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({ id, body }: { id: string; body: DesignCnstnMngUpdateRequestDto }) =>
+      designCnstnMngService.update(id, body),
+    onSuccess: (_data, { id }) => {
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+      queryClient.invalidateQueries({
+        queryKey: [...designCnstnMngBaseKey, "findById", id],
+      });
+    },
+  });
+}
+
+export function useTechReviewDesignCnstnMng() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({ id, body }: { id: string; body: DesignCnstnApplySaveRequestDto }) =>
+      designCnstnMngService.techReview(id, body),
+    onSuccess: (_data, { id }) => {
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+      queryClient.invalidateQueries({
+        queryKey: [...designCnstnMngBaseKey, "findById", id],
+      });
+    },
+  });
+}
+
+export function useDeleteDesignCnstnMng() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: string) => designCnstnMngService.delete(id),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+/* ─── DesignCnstnBizCst ─── */
+
+export function useDesignCnstnBizCstPage(params: DesignCnstnBizCstSearchDto) {
+  return useQuery({
+    queryKey: [...designCnstnBizCstBaseKey, "findPage", params],
+    queryFn: () => designCnstnBizCstService.findPage(params),
+  });
+}
+
+export function useDesignCnstnBizCst(
+  designCnstnDocNo: string | null | undefined,
+  acntgSeCd: string | null | undefined,
+) {
+  return useQuery({
+    queryKey: [...designCnstnBizCstBaseKey, "findById", designCnstnDocNo, acntgSeCd],
+    queryFn: () => designCnstnBizCstService.findById(designCnstnDocNo!, acntgSeCd!),
+    enabled: Boolean(designCnstnDocNo && acntgSeCd),
+  });
+}
+
+export function useSaveDesignCnstnBizCst() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (body: DesignCnstnBizCstSaveRequestDto) => designCnstnBizCstService.save(body),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: designCnstnBizCstBaseKey });
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+export function useUpdateDesignCnstnBizCst() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({
+      designCnstnDocNo,
+      acntgSeCd,
+      body,
+    }: {
+      designCnstnDocNo: string;
+      acntgSeCd: string;
+      body: DesignCnstnBizCstUpdateRequestDto;
+    }) => designCnstnBizCstService.update(designCnstnDocNo, acntgSeCd, body),
+    onSuccess: (_data, { designCnstnDocNo, acntgSeCd }) => {
+      queryClient.invalidateQueries({ queryKey: designCnstnBizCstBaseKey });
+      queryClient.invalidateQueries({
+        queryKey: [...designCnstnBizCstBaseKey, "findById", designCnstnDocNo, acntgSeCd],
+      });
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+export function useDeleteDesignCnstnBizCst() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({
+      designCnstnDocNo,
+      acntgSeCd,
+    }: {
+      designCnstnDocNo: string;
+      acntgSeCd: string;
+    }) => designCnstnBizCstService.delete(designCnstnDocNo, acntgSeCd),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: designCnstnBizCstBaseKey });
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+/* ─── DesignCnstnBizScl ─── */
+
+export function useDesignCnstnBizSclPage(params: DesignCnstnBizSclSearchDto) {
+  return useQuery({
+    queryKey: [...designCnstnBizSclBaseKey, "findPage", params],
+    queryFn: () => designCnstnBizSclService.findPage(params),
+  });
+}
+
+export function useDesignCnstnBizScl(
+  designCnstnDocNo: string | null | undefined,
+  cnstpSeCd: string | null | undefined,
+) {
+  return useQuery({
+    queryKey: [...designCnstnBizSclBaseKey, "findById", designCnstnDocNo, cnstpSeCd],
+    queryFn: () => designCnstnBizSclService.findById(designCnstnDocNo!, cnstpSeCd!),
+    enabled: Boolean(designCnstnDocNo && cnstpSeCd),
+  });
+}
+
+export function useSaveDesignCnstnBizScl() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (body: DesignCnstnBizSclSaveRequestDto) => designCnstnBizSclService.save(body),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: designCnstnBizSclBaseKey });
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+export function useUpdateDesignCnstnBizScl() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({
+      designCnstnDocNo,
+      cnstpSeCd,
+      body,
+    }: {
+      designCnstnDocNo: string;
+      cnstpSeCd: string;
+      body: DesignCnstnBizSclUpdateRequestDto;
+    }) => designCnstnBizSclService.update(designCnstnDocNo, cnstpSeCd, body),
+    onSuccess: (_data, { designCnstnDocNo, cnstpSeCd }) => {
+      queryClient.invalidateQueries({ queryKey: designCnstnBizSclBaseKey });
+      queryClient.invalidateQueries({
+        queryKey: [...designCnstnBizSclBaseKey, "findById", designCnstnDocNo, cnstpSeCd],
+      });
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+export function useDeleteDesignCnstnBizScl() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({
+      designCnstnDocNo,
+      cnstpSeCd,
+    }: {
+      designCnstnDocNo: string;
+      cnstpSeCd: string;
+    }) => designCnstnBizSclService.delete(designCnstnDocNo, cnstpSeCd),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: designCnstnBizSclBaseKey });
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+/* ─── DesignCnstnEsntlAtchFile ─── */
+
+export function useDesignCnstnEsntlAtchFilePage(params: DesignCnstnEsntlAtchFileSearchDto) {
+  return useQuery({
+    queryKey: [...designCnstnEsntlAtchFileBaseKey, "findPage", params],
+    queryFn: () => designCnstnEsntlAtchFileService.findPage(params),
+  });
+}
+
+export function useDesignCnstnEsntlAtchFile(
+  designCnstnDocNo: string | null | undefined,
+  esntlAtchFileId: string | null | undefined,
+) {
+  return useQuery({
+    queryKey: [
+      ...designCnstnEsntlAtchFileBaseKey,
+      "findById",
+      designCnstnDocNo,
+      esntlAtchFileId,
+    ],
+    queryFn: () =>
+      designCnstnEsntlAtchFileService.findById(designCnstnDocNo!, esntlAtchFileId!),
+    enabled: Boolean(designCnstnDocNo && esntlAtchFileId),
+  });
+}
+
+export function useSaveDesignCnstnEsntlAtchFile() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (body: DesignCnstnEsntlAtchFileSaveRequestDto) =>
+      designCnstnEsntlAtchFileService.save(body),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: designCnstnEsntlAtchFileBaseKey });
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+export function useUpdateDesignCnstnEsntlAtchFile() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({
+      designCnstnDocNo,
+      esntlAtchFileId,
+      body,
+    }: {
+      designCnstnDocNo: string;
+      esntlAtchFileId: string;
+      body: DesignCnstnEsntlAtchFileUpdateRequestDto;
+    }) => designCnstnEsntlAtchFileService.update(designCnstnDocNo, esntlAtchFileId, body),
+    onSuccess: (_data, { designCnstnDocNo, esntlAtchFileId }) => {
+      queryClient.invalidateQueries({ queryKey: designCnstnEsntlAtchFileBaseKey });
+      queryClient.invalidateQueries({
+        queryKey: [
+          ...designCnstnEsntlAtchFileBaseKey,
+          "findById",
+          designCnstnDocNo,
+          esntlAtchFileId,
+        ],
+      });
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+export function useDeleteDesignCnstnEsntlAtchFile() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({
+      designCnstnDocNo,
+      esntlAtchFileId,
+    }: {
+      designCnstnDocNo: string;
+      esntlAtchFileId: string;
+    }) => designCnstnEsntlAtchFileService.delete(designCnstnDocNo, esntlAtchFileId),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: designCnstnEsntlAtchFileBaseKey });
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+/* ─── DesignCnstnRvwOpnn ─── */
+
+export function useDesignCnstnRvwOpnnPage(params: DesignCnstnRvwOpnnSearchDto) {
+  return useQuery({
+    queryKey: [...designCnstnRvwOpnnBaseKey, "findPage", params],
+    queryFn: () => designCnstnRvwOpnnService.findPage(params),
+  });
+}
+
+export function useDesignCnstnRvwOpnn(
+  designCnstnDocNo: string | null | undefined,
+  rvwOpnnSn: number | null | undefined,
+) {
+  return useQuery({
+    queryKey: [...designCnstnRvwOpnnBaseKey, "findById", designCnstnDocNo, rvwOpnnSn],
+    queryFn: () => designCnstnRvwOpnnService.findById(designCnstnDocNo!, rvwOpnnSn!),
+    enabled: Boolean(designCnstnDocNo && rvwOpnnSn != null),
+  });
+}
+
+export function useSaveDesignCnstnRvwOpnn() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (body: DesignCnstnRvwOpnnSaveRequestDto) => designCnstnRvwOpnnService.save(body),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: designCnstnRvwOpnnBaseKey });
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+export function useUpdateDesignCnstnRvwOpnn() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({
+      designCnstnDocNo,
+      rvwOpnnSn,
+      body,
+    }: {
+      designCnstnDocNo: string;
+      rvwOpnnSn: number;
+      body: DesignCnstnRvwOpnnUpdateRequestDto;
+    }) => designCnstnRvwOpnnService.update(designCnstnDocNo, rvwOpnnSn, body),
+    onSuccess: (_data, { designCnstnDocNo, rvwOpnnSn }) => {
+      queryClient.invalidateQueries({ queryKey: designCnstnRvwOpnnBaseKey });
+      queryClient.invalidateQueries({
+        queryKey: [...designCnstnRvwOpnnBaseKey, "findById", designCnstnDocNo, rvwOpnnSn],
+      });
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
+
+export function useDeleteDesignCnstnRvwOpnn() {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({
+      designCnstnDocNo,
+      rvwOpnnSn,
+    }: {
+      designCnstnDocNo: string;
+      rvwOpnnSn: number;
+    }) => designCnstnRvwOpnnService.delete(designCnstnDocNo, rvwOpnnSn),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: designCnstnRvwOpnnBaseKey });
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+    },
+  });
+}
diff --git a/apps/as/src/entities/design-cnstn/index.ts b/apps/as/src/entities/design-cnstn/index.ts
new file mode 100644
index 000000000..ed6b6e1ae
--- /dev/null
+++ b/apps/as/src/entities/design-cnstn/index.ts
@@ -0,0 +1,88 @@
+export { designCnstnBizCstService } from "./api/design-cnstn-biz-cst-service";
+export { designCnstnBizSclService } from "./api/design-cnstn-biz-scl-service";
+export { designCnstnEsntlAtchFileService } from "./api/design-cnstn-esntl-atch-file-service";
+export { designCnstnMngService } from "./api/design-cnstn-mng-service";
+export { designCnstnRvwOpnnService } from "./api/design-cnstn-rvw-opnn-service";
+export {
+  designCnstnBizCstBaseKey,
+  designCnstnBizSclBaseKey,
+  designCnstnEsntlAtchFileBaseKey,
+  designCnstnMngBaseKey,
+  designCnstnRvwOpnnBaseKey,
+  useDeleteDesignCnstnBizCst,
+  useDeleteDesignCnstnBizScl,
+  useDeleteDesignCnstnEsntlAtchFile,
+  useDeleteDesignCnstnMng,
+  useDeleteDesignCnstnRvwOpnn,
+  useDesignCnstnBizCst,
+  useDesignCnstnBizCstPage,
+  useDesignCnstnBizScl,
+  useDesignCnstnBizSclPage,
+  useDesignCnstnEsntlAtchFile,
+  useDesignCnstnEsntlAtchFilePage,
+  useDesignCnstnMng,
+  useDesignCnstnMngPage,
+  useDesignCnstnRvwOpnn,
+  useDesignCnstnRvwOpnnPage,
+  useSaveApplyDesignCnstnMng,
+  useSaveDesignCnstnBizCst,
+  useSaveDesignCnstnBizScl,
+  useSaveDesignCnstnEsntlAtchFile,
+  useSaveDesignCnstnMng,
+  useSaveDesignCnstnRvwOpnn,
+  useTechReviewDesignCnstnMng,
+  useUpdateDesignCnstnBizCst,
+  useUpdateDesignCnstnBizScl,
+  useUpdateDesignCnstnEsntlAtchFile,
+  useUpdateDesignCnstnMng,
+  useUpdateDesignCnstnRvwOpnn,
+} from "./api/queries";
+export type {
+  DesignCnstnBizCstId,
+  DesignCnstnBizCstResponseDto,
+  DesignCnstnBizCstSaveRequestDto,
+  DesignCnstnBizCstSearchDto,
+  DesignCnstnBizCstService,
+  DesignCnstnBizCstUpdateRequestDto,
+} from "./model/design-cnstn-biz-cst-interface";
+export type {
+  DesignCnstnBizSclId,
+  DesignCnstnBizSclResponseDto,
+  DesignCnstnBizSclSaveRequestDto,
+  DesignCnstnBizSclSearchDto,
+  DesignCnstnBizSclService,
+  DesignCnstnBizSclUpdateRequestDto,
+} from "./model/design-cnstn-biz-scl-interface";
+export type {
+  DesignCnstnEsntlAtchFileId,
+  DesignCnstnEsntlAtchFileResponseDto,
+  DesignCnstnEsntlAtchFileSaveRequestDto,
+  DesignCnstnEsntlAtchFileSearchDto,
+  DesignCnstnEsntlAtchFileService,
+  DesignCnstnEsntlAtchFileUpdateRequestDto,
+} from "./model/design-cnstn-esntl-atch-file-interface";
+export type {
+  AtflMngClientResponseDto,
+  BizCstItem,
+  BizCstTreeDto,
+  BizSclTreeDto,
+  BzScaleItem,
+  DesignCnstnApplySaveRequestDto,
+  DesignCnstnMngDetResponseDto,
+  DesignCnstnMngResponseDto,
+  DesignCnstnMngSaveRequestDto,
+  DesignCnstnMngSearchDto,
+  DesignCnstnMngService,
+  DesignCnstnMngUpdateRequestDto,
+  DesignCnstnRvwOpnnResponseDto,
+  DesignCnstnRvwOpnnSaveRequestDto,
+  ElaprDocPrgrsClientResponseDto,
+  EsntlAtchFileItem,
+  EsntlAtchFileMngTreeResponseDto,
+} from "./model/design-cnstn-mng-interface";
+export type {
+  DesignCnstnRvwOpnnId,
+  DesignCnstnRvwOpnnSearchDto,
+  DesignCnstnRvwOpnnService,
+  DesignCnstnRvwOpnnUpdateRequestDto,
+} from "./model/design-cnstn-rvw-opnn-interface";
diff --git a/apps/as/src/entities/design-cnstn/model/design-cnstn-biz-cst-interface.ts b/apps/as/src/entities/design-cnstn/model/design-cnstn-biz-cst-interface.ts
new file mode 100644
index 000000000..bbf6519e9
--- /dev/null
+++ b/apps/as/src/entities/design-cnstn/model/design-cnstn-biz-cst-interface.ts
@@ -0,0 +1,54 @@
+import type { PageableParams, PageResponse } from "@/shared/model";
+
+/** 백엔드 DesignCnstnBizCstId */
+export interface DesignCnstnBizCstId {
+  designCnstnMng: string;
+  acntgSeCd: string;
+}
+
+/** 백엔드 DesignCnstnBizCstSaveRequestDto */
+export interface DesignCnstnBizCstSaveRequestDto {
+  designCnstnDocNo: string;
+  acntgSeCd: string;
+  bscPlanAmt?: number;
+  bgtRfltAmt?: number;
+  tstmDesignAmt?: number;
+}
+
+/** 백엔드 DesignCnstnBizCstUpdateRequestDto */
+export interface DesignCnstnBizCstUpdateRequestDto {
+  bscPlanAmt?: number;
+  bgtRfltAmt?: number;
+  tstmDesignAmt?: number;
+}
+
+/** 백엔드 DesignCnstnBizCstSearchDto + Pageable */
+export interface DesignCnstnBizCstSearchDto extends PageableParams {
+  designCnstnDocNo?: string;
+  acntgSeCd?: string;
+}
+
+/** 백엔드 DesignCnstnBizCstResponseDto */
+export interface DesignCnstnBizCstResponseDto {
+  designCnstnDocNo: string;
+  acntgSeCd: string;
+  bscPlanAmt?: number;
+  bgtRfltAmt?: number;
+  tstmDesignAmt?: number;
+  regDt?: string;
+}
+
+/** Controller public 메서드명·시그니처와 동일 */
+export interface DesignCnstnBizCstService {
+  findPage(
+    searchDto: DesignCnstnBizCstSearchDto,
+  ): Promise<PageResponse<DesignCnstnBizCstResponseDto>>;
+  findById(designCnstnDocNo: string, acntgSeCd: string): Promise<DesignCnstnBizCstResponseDto>;
+  save(body: DesignCnstnBizCstSaveRequestDto): Promise<DesignCnstnBizCstId>;
+  update(
+    designCnstnDocNo: string,
+    acntgSeCd: string,
+    body: DesignCnstnBizCstUpdateRequestDto,
+  ): Promise<void>;
+  delete(designCnstnDocNo: string, acntgSeCd: string): Promise<void>;
+}
diff --git a/apps/as/src/entities/design-cnstn/model/design-cnstn-biz-scl-interface.ts b/apps/as/src/entities/design-cnstn/model/design-cnstn-biz-scl-interface.ts
new file mode 100644
index 000000000..b7fd92140
--- /dev/null
+++ b/apps/as/src/entities/design-cnstn/model/design-cnstn-biz-scl-interface.ts
@@ -0,0 +1,54 @@
+import type { PageableParams, PageResponse } from "@/shared/model";
+
+/** 백엔드 DesignCnstnBizSclId */
+export interface DesignCnstnBizSclId {
+  designCnstnMng: string;
+  cnstpSeCd: string;
+}
+
+/** 백엔드 DesignCnstnBizSclSaveRequestDto */
+export interface DesignCnstnBizSclSaveRequestDto {
+  designCnstnDocNo: string;
+  cnstpSeCd: string;
+  bscPlanQty?: number;
+  bgtRfltQty?: number;
+  tstmDesignQty?: number;
+}
+
+/** 백엔드 DesignCnstnBizSclUpdateRequestDto */
+export interface DesignCnstnBizSclUpdateRequestDto {
+  bscPlanQty?: number;
+  bgtRfltQty?: number;
+  tstmDesignQty?: number;
+}
+
+/** 백엔드 DesignCnstnBizSclSearchDto + Pageable */
+export interface DesignCnstnBizSclSearchDto extends PageableParams {
+  designCnstnDocNo?: string;
+  cnstpSeCd?: string;
+}
+
+/** 백엔드 DesignCnstnBizSclResponseDto */
+export interface DesignCnstnBizSclResponseDto {
+  designCnstnDocNo: string;
+  cnstpSeCd: string;
+  bscPlanQty?: number;
+  bgtRfltQty?: number;
+  tstmDesignQty?: number;
+  regDt?: string;
+}
+
+/** Controller public 메서드명·시그니처와 동일 */
+export interface DesignCnstnBizSclService {
+  findPage(
+    searchDto: DesignCnstnBizSclSearchDto,
+  ): Promise<PageResponse<DesignCnstnBizSclResponseDto>>;
+  findById(designCnstnDocNo: string, cnstpSeCd: string): Promise<DesignCnstnBizSclResponseDto>;
+  save(body: DesignCnstnBizSclSaveRequestDto): Promise<DesignCnstnBizSclId>;
+  update(
+    designCnstnDocNo: string,
+    cnstpSeCd: string,
+    body: DesignCnstnBizSclUpdateRequestDto,
+  ): Promise<void>;
+  delete(designCnstnDocNo: string, cnstpSeCd: string): Promise<void>;
+}
diff --git a/apps/as/src/entities/design-cnstn/model/design-cnstn-esntl-atch-file-interface.ts b/apps/as/src/entities/design-cnstn/model/design-cnstn-esntl-atch-file-interface.ts
new file mode 100644
index 000000000..82666b60a
--- /dev/null
+++ b/apps/as/src/entities/design-cnstn/model/design-cnstn-esntl-atch-file-interface.ts
@@ -0,0 +1,51 @@
+import type { PageableParams, PageResponse } from "@/shared/model";
+
+/** 백엔드 DesignCnstnEsntlAtchFileId */
+export interface DesignCnstnEsntlAtchFileId {
+  designCnstnMng: string;
+  esntlAtchFileId: string;
+}
+
+/** 백엔드 DesignCnstnEsntlAtchFileSaveRequestDto */
+export interface DesignCnstnEsntlAtchFileSaveRequestDto {
+  designCnstnDocNo: string;
+  esntlAtchFileId: string;
+  atchFileGroupId?: string;
+}
+
+/** 백엔드 DesignCnstnEsntlAtchFileUpdateRequestDto */
+export interface DesignCnstnEsntlAtchFileUpdateRequestDto {
+  atchFileGroupId?: string;
+}
+
+/** 백엔드 DesignCnstnEsntlAtchFileSearchDto + Pageable */
+export interface DesignCnstnEsntlAtchFileSearchDto extends PageableParams {
+  designCnstnDocNo?: string;
+  esntlAtchFileId?: string;
+}
+
+/** 백엔드 DesignCnstnEsntlAtchFileResponseDto */
+export interface DesignCnstnEsntlAtchFileResponseDto {
+  designCnstnDocNo: string;
+  esntlAtchFileId: string;
+  atchFileGroupId?: string;
+  regDt?: string;
+}
+
+/** Controller public 메서드명·시그니처와 동일 */
+export interface DesignCnstnEsntlAtchFileService {
+  findPage(
+    searchDto: DesignCnstnEsntlAtchFileSearchDto,
+  ): Promise<PageResponse<DesignCnstnEsntlAtchFileResponseDto>>;
+  findById(
+    designCnstnDocNo: string,
+    esntlAtchFileId: string,
+  ): Promise<DesignCnstnEsntlAtchFileResponseDto>;
+  save(body: DesignCnstnEsntlAtchFileSaveRequestDto): Promise<DesignCnstnEsntlAtchFileId>;
+  update(
+    designCnstnDocNo: string,
+    esntlAtchFileId: string,
+    body: DesignCnstnEsntlAtchFileUpdateRequestDto,
+  ): Promise<void>;
+  delete(designCnstnDocNo: string, esntlAtchFileId: string): Promise<void>;
+}
diff --git a/apps/as/src/entities/design-cnstn/model/design-cnstn-mng-interface.ts b/apps/as/src/entities/design-cnstn/model/design-cnstn-mng-interface.ts
new file mode 100644
index 000000000..1ee2be991
--- /dev/null
+++ b/apps/as/src/entities/design-cnstn/model/design-cnstn-mng-interface.ts
@@ -0,0 +1,124 @@
+import type {
+  BizCstSaveBase,
+  BzScaleSaveBase,
+  EsntlAtchFileSaveBase,
+  PageableParams,
+  PageResponse,
+  PbadmsApplySaveHeader,
+  PbadmsMngDetResponseBase,
+} from "@/shared/model";
+
+import type {
+  DesignCnstnRvwOpnnResponseDto,
+  DesignCnstnRvwOpnnSaveRequestDto,
+} from "./design-cnstn-rvw-opnn-interface";
+
+export type {
+  DesignCnstnRvwOpnnResponseDto,
+  DesignCnstnRvwOpnnSaveRequestDto,
+} from "./design-cnstn-rvw-opnn-interface";
+export type {
+  AtflMngClientResponseDto,
+  BizCstTreeDto,
+  BizSclTreeDto,
+  ElaprDocPrgrsClientResponseDto,
+  EsntlAtchFileMngTreeResponseDto,
+} from "@/shared/model";
+
+/** 백엔드 DesignCnstnMngSaveRequestDto */
+export interface DesignCnstnMngSaveRequestDto {
+  designCnstnDocNo?: string;
+  admdstCd?: string;
+  envoSeComCd?: string;
+  taskSeComCd?: string;
+  bizNm?: string;
+  bizBgngYr?: string;
+  bizEndYr?: string;
+  bizCn?: string;
+  aplcntNm?: string;
+  aplcntMblTelno?: string;
+  aplcntOgdpNm?: string;
+  aplcntEmlAddr?: string;
+  dsgnrNm?: string;
+  dsgnrTelno?: string;
+  dsgnrOgdpNm?: string;
+  dsgnrEmlAddr?: string;
+  atchFileGroupId?: string;
+  prgrsSttsComCd?: string;
+}
+
+/** 백엔드 DesignCnstnMngUpdateRequestDto */
+export type DesignCnstnMngUpdateRequestDto = Omit<DesignCnstnMngSaveRequestDto, "designCnstnDocNo">;
+
+/** 백엔드 DesignCnstnMngSearchDto + Pageable */
+export interface DesignCnstnMngSearchDto extends PageableParams {
+  designCnstnDocNo?: string;
+  admdstCd?: string;
+  envoSeComCd?: string;
+  taskSeComCd?: string;
+  bizNm?: string;
+  bizBgngYr?: string;
+  bizEndYr?: string;
+  bizCn?: string;
+  aplcntNm?: string;
+  aplcntMblTelno?: string;
+  aplcntOgdpNm?: string;
+  aplcntEmlAddr?: string;
+  dsgnrNm?: string;
+  dsgnrTelno?: string;
+  dsgnrOgdpNm?: string;
+  dsgnrEmlAddr?: string;
+  atchFileGroupId?: string;
+}
+
+interface DesignCnstnMngResponseExtension {
+  designCnstnDocNo: string;
+  envoSeCdNm?: string;
+  taskSeCdNm?: string;
+  prgrsSttsCdNm?: string;
+  regDt?: string;
+  rgtr?: string;
+  rgtrNm?: string;
+  mdfcnDt?: string;
+  sido?: string;
+  gugun?: string;
+}
+
+/** 백엔드 DesignCnstnMngResponseDto */
+export type DesignCnstnMngResponseDto = Omit<DesignCnstnMngSaveRequestDto, "designCnstnDocNo"> &
+  DesignCnstnMngResponseExtension;
+
+/** 백엔드 DesignCnstnApplySaveRequestDto.BzScaleItem */
+export type BzScaleItem = BzScaleSaveBase;
+
+/** 백엔드 DesignCnstnApplySaveRequestDto.BizCstItem */
+export type BizCstItem = BizCstSaveBase;
+
+/** 백엔드 DesignCnstnApplySaveRequestDto.EsntlAtchFileItem */
+export type EsntlAtchFileItem = EsntlAtchFileSaveBase;
+
+/** 백엔드 DesignCnstnMngDetResponseDto */
+export type DesignCnstnMngDetResponseDto = PbadmsMngDetResponseBase<
+  DesignCnstnMngResponseDto,
+  DesignCnstnRvwOpnnResponseDto
+>;
+
+/** 백엔드 DesignCnstnApplySaveRequestDto */
+export interface DesignCnstnApplySaveRequestDto extends PbadmsApplySaveHeader {
+  designCnstnMng: DesignCnstnMngSaveRequestDto;
+  bzScaleList?: BzScaleItem[];
+  bizCstList?: BizCstItem[];
+  esntlAtchFileList?: EsntlAtchFileItem[];
+  rvwOpnnList?: DesignCnstnRvwOpnnSaveRequestDto[];
+}
+
+/** Controller public 메서드명·시그니처와 동일 */
+export interface DesignCnstnMngService {
+  findPage(searchDto: DesignCnstnMngSearchDto): Promise<PageResponse<DesignCnstnMngResponseDto>>;
+  findById(id: string): Promise<DesignCnstnMngDetResponseDto>;
+  save(body: DesignCnstnMngSaveRequestDto): Promise<string>;
+  saveApply(body: DesignCnstnApplySaveRequestDto): Promise<string>;
+  update(id: string, body: DesignCnstnMngUpdateRequestDto): Promise<void>;
+  techReview(id: string, body: DesignCnstnApplySaveRequestDto): Promise<void>;
+  delete(id: string): Promise<void>;
+}
diff --git a/apps/as/src/entities/design-cnstn/model/design-cnstn-rvw-opnn-interface.ts b/apps/as/src/entities/design-cnstn/model/design-cnstn-rvw-opnn-interface.ts
new file mode 100644
index 000000000..8b9841ee6
--- /dev/null
+++ b/apps/as/src/entities/design-cnstn/model/design-cnstn-rvw-opnn-interface.ts
@@ -0,0 +1,59 @@
+import type { PageableParams, PageResponse, RvwOpnnResponseExtension } from "@/shared/model";
+
+/** 백엔드 DesignCnstnRvwOpnnId */
+export interface DesignCnstnRvwOpnnId {
+  designCnstnMng: string;
+  rvwOpnnSn: number;
+}
+
+/** 백엔드 DesignCnstnRvwOpnnSaveRequestDto */
+export interface DesignCnstnRvwOpnnSaveRequestDto {
+  designCnstnDocNo: string;
+  rvwOpnnSn?: number;
+  opnrSeComCd?: string;
+  opnrNm?: string;
+  rvwRsltCn?: string;
+  rvwRsltAnmlyYn?: string;
+  atchFileGroupId?: string;
+}
+
+/** 백엔드 DesignCnstnRvwOpnnUpdateRequestDto */
+export interface DesignCnstnRvwOpnnUpdateRequestDto {
+  opnrSeComCd?: string;
+  opnrNm?: string;
+  rvwRsltCn?: string;
+  rvwRsltAnmlyYn?: string;
+  atchFileGroupId?: string;
+}
+
+/** 백엔드 DesignCnstnRvwOpnnSearchDto + Pageable */
+export interface DesignCnstnRvwOpnnSearchDto extends PageableParams {
+  designCnstnDocNo?: string;
+  opnrNm?: string;
+  opnrSeComCd?: string;
+  rvwRsltCn?: string;
+  rvwRsltAnmlyYn?: string;
+  atchFileGroupId?: string;
+}
+
+/** 백엔드 DesignCnstnRvwOpnnResponseDto */
+export type DesignCnstnRvwOpnnResponseDto = Partial<
+  Pick<DesignCnstnRvwOpnnSaveRequestDto, "designCnstnDocNo" | "rvwOpnnSn">
+> &
+  Omit<DesignCnstnRvwOpnnSaveRequestDto, "designCnstnDocNo" | "rvwOpnnSn"> &
+  RvwOpnnResponseExtension;
+
+/** Controller public 메서드명·시그니처와 동일 */
+export interface DesignCnstnRvwOpnnService {
+  findPage(
+    searchDto: DesignCnstnRvwOpnnSearchDto,
+  ): Promise<PageResponse<DesignCnstnRvwOpnnResponseDto>>;
+  findById(designCnstnDocNo: string, rvwOpnnSn: number): Promise<DesignCnstnRvwOpnnResponseDto>;
+  save(body: DesignCnstnRvwOpnnSaveRequestDto): Promise<DesignCnstnRvwOpnnId>;
+  update(
+    designCnstnDocNo: string,
+    rvwOpnnSn: number,
+    body: DesignCnstnRvwOpnnUpdateRequestDto,
+  ): Promise<void>;
+  delete(designCnstnDocNo: string, rvwOpnnSn: number): Promise<void>;
+}
diff --git a/apps/as/src/pages/design-cnstn/index.ts b/apps/as/src/pages/design-cnstn/index.ts
new file mode 100644
index 000000000..fcaaab3ed
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/index.ts
@@ -0,0 +1,5 @@
+export { DesignEditPage } from "./ui/design-edit-page";
+export { DesignFormPage } from "./ui/design-form-page";
+export { DesignListPage } from "./ui/design-list-page";
+export { DesignRegistPage } from "./ui/design-regist-page";
+export { DesignViewPage } from "./ui/design-view-page";
diff --git a/apps/as/src/pages/design-cnstn/lib/button-config.ts b/apps/as/src/pages/design-cnstn/lib/button-config.ts
new file mode 100644
index 000000000..2727092f2
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/lib/button-config.ts
@@ -0,0 +1,118 @@
+export const DESIGN_CNSTN_VIEW_BUTTON_ACTION = {
+  strg: "strg",
+  aply: "aply",
+  del: "del",
+  rqstRvw: "rqstRvw",
+  rvwStrg: "rvwStrg",
+  rvwCmptn: "rvwCmptn",
+  atrzAprv: "atrzAprv",
+  atrzRply: "atrzRply",
+} as const;
+
+export type DesignCnstnViewButtonAction =
+  (typeof DESIGN_CNSTN_VIEW_BUTTON_ACTION)[keyof typeof DESIGN_CNSTN_VIEW_BUTTON_ACTION];
+
+const ROLE_STATUS_BUTTON_ACTIONS: Record<string, Record<string, DesignCnstnViewButtonAction[]>> = {
+  ROLE_USER05: {
+    "": [
+      DESIGN_CNSTN_VIEW_BUTTON_ACTION.strg,
+      DESIGN_CNSTN_VIEW_BUTTON_ACTION.aply,
+      DESIGN_CNSTN_VIEW_BUTTON_ACTION.del,
+    ],
+    CV: [
+      DESIGN_CNSTN_VIEW_BUTTON_ACTION.strg,
+      DESIGN_CNSTN_VIEW_BUTTON_ACTION.aply,
+      DESIGN_CNSTN_VIEW_BUTTON_ACTION.del,
+    ],
+  },
+};
+
+const ROLE_USER01_ATRZ_STATUS_CODES = ["CT", "CS"] as const;
+
+const ROLE_USER01_ATRZ_STATUS_ACTIONS: Record<
+  string,
+  Record<string, DesignCnstnViewButtonAction[]>
+> = {
+  CT: {
+    ATRZ01: [DESIGN_CNSTN_VIEW_BUTTON_ACTION.rqstRvw],
+  },
+  CS: {
+    ATRZ02: [DESIGN_CNSTN_VIEW_BUTTON_ACTION.rvwStrg, DESIGN_CNSTN_VIEW_BUTTON_ACTION.rvwCmptn],
+    ATRZ03: [DESIGN_CNSTN_VIEW_BUTTON_ACTION.atrzAprv],
+    ATRZ99: [DESIGN_CNSTN_VIEW_BUTTON_ACTION.atrzRply],
+  },
+};
+
+function resolveButtonConfigs(
+  actions: DesignCnstnViewButtonAction[],
+): DesignCnstnViewButtonAction[] {
+  return actions.map((action) => DESIGN_CNSTN_VIEW_BUTTON_ACTION[action]);
+}
+
+interface GetButtonConfigsOptions {
+  hasPendingApprovalRequest?: boolean;
+}
+
+function resolveRoleUser01AtrzButtonActions(
+  prgrsSttsComCd: string,
+  atrzSeComCdList: string[],
+  options?: GetButtonConfigsOptions,
+): DesignCnstnViewButtonAction[] {
+  if (prgrsSttsComCd === "CS" && options?.hasPendingApprovalRequest === false) {
+    return [];
+  }
+
+  const atrzStatusMap = ROLE_USER01_ATRZ_STATUS_ACTIONS[prgrsSttsComCd];
+  if (!atrzStatusMap || atrzSeComCdList.length === 0) return [];
+
+  const seen = new Set<DesignCnstnViewButtonAction>();
+  const actions: DesignCnstnViewButtonAction[] = [];
+
+  for (const atrzSeComCd of atrzSeComCdList) {
+    const mappedActions = atrzStatusMap[atrzSeComCd];
+    if (!mappedActions) continue;
+
+    for (const action of mappedActions) {
+      if (seen.has(action)) continue;
+      seen.add(action);
+      actions.push(action);
+    }
+  }
+
+  return actions;
+}
+
+export function needsRoleUser01AtrzResolve(
+  dtlInstCd: string | undefined,
+  prgrsSttsComCd: string,
+): boolean {
+  return (
+    dtlInstCd === "ROLE_USER01" &&
+    ROLE_USER01_ATRZ_STATUS_CODES.includes(
+      prgrsSttsComCd as (typeof ROLE_USER01_ATRZ_STATUS_CODES)[number],
+    )
+  );
+}
+
+export function getButtonConfigs(
+  dtlInstCd: string | undefined,
+  prgrsSttsComCd: string,
+  atrzSeComCdList?: string[],
+  options?: GetButtonConfigsOptions,
+): DesignCnstnViewButtonAction[] {
+  if (!dtlInstCd) return [];
+
+  if (needsRoleUser01AtrzResolve(dtlInstCd, prgrsSttsComCd)) {
+    return resolveButtonConfigs(
+      resolveRoleUser01AtrzButtonActions(prgrsSttsComCd, atrzSeComCdList ?? [], options),
+    );
+  }
+
+  const statusMap = ROLE_STATUS_BUTTON_ACTIONS[dtlInstCd];
+  if (!statusMap) return [];
+
+  const actions = statusMap[prgrsSttsComCd];
+  if (!actions) return [];
+
+  return resolveButtonConfigs(actions);
+}
diff --git a/apps/as/src/pages/design-cnstn/lib/design-cnstn-regist-schema.ts b/apps/as/src/pages/design-cnstn/lib/design-cnstn-regist-schema.ts
new file mode 100644
index 000000000..3eecde578
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/lib/design-cnstn-regist-schema.ts
@@ -0,0 +1,68 @@
+import { z } from "zod";
+
+export const designCnstnRegistSchema = z.object({
+  designCnstnMng: z.object({
+    bizNm: z.string().min(1, "사업명은 필수입니다"),
+    bizBgngYr: z.string().min(1, "사업시작연도는 필수입니다"),
+    bizEndYr: z.string().min(1, "사업종료연도는 필수입니다"),
+    bizCn: z.string().min(1, "사업내용은 필수입니다"),
+    taskSeComCd: z.array(z.string()).min(1, "구분은 필수입니다"),
+    dsgnrNm: z.string().min(1, "설계자 이름은 필수입니다"),
+    dsgnrTelno: z
+      .string()
+      .min(1, "설계자 전화번호는 필수입니다")
+      .regex(/^[0-9-]+$/, "숫자와 하이픈(-)만 입력 가능합니다"),
+    dsgnrOgdpNm: z.string().min(1, "설계자 소속은 필수입니다"),
+    dsgnrEmlAddr: z
+      .string()
+      .min(1, "설계자 이메일은 필수입니다")
+      .email("올바른 이메일 형식이 아닙니다"),
+    aplcntNm: z.string().optional(),
+    aplcntMblTelno: z.string().optional(),
+    aplcntOgdpNm: z.string().optional(),
+    aplcntEmlAddr: z.string().optional(),
+    designCnstnDocNo: z.string().optional(),
+    admdstCd: z.string().optional(),
+    envoSeComCd: z.string().optional(),
+    prgrsSttsComCd: z.string().optional(),
+    atchFileGroupId: z.string().optional(),
+    envoSeCdNm: z.string().optional(),
+    taskSeCdNm: z.string().optional(),
+    prgrsSttsCdNm: z.string().optional(),
+    sido: z.string().optional(),
+    gugun: z.string().optional(),
+    regDt: z.string().optional(),
+    rgtr: z.string().optional(),
+    rgtrNm: z.string().optional(),
+    mdfcnDt: z.string().optional(),
+  }),
+  bzScaleList: z.array(
+    z.object({
+      cnstpSeCd: z.string(),
+      bscPl: z.number(),
+      budgetReflct: z.number(),
+      thtiDsgn: z.number(),
+      diff: z.number().optional(),
+    }),
+  ),
+  esntlAtchFileList: z.array(
+    z.object({
+      esntlAtchFileId: z.string(),
+      atchFileGroupId: z.string(),
+    }),
+  ),
+  privacyConsent: z.enum(["Y", "N"], {
+    required_error: "개인정보 수집/이용 동의는 필수입니다",
+  }),
+});
+
+export type DesignCnstnRegistFormData = z.infer<typeof designCnstnRegistSchema>;
+
+export function formatTaskSeComCdForApi(taskSeComCd: string[]): string {
+  return taskSeComCd.join(",");
+}
+
+export function parseTaskSeComCdFromApi(taskSeComCd?: string): string[] {
+  if (!taskSeComCd) return [];
+  return taskSeComCd.split(",").filter(Boolean);
+}
diff --git a/apps/as/src/pages/design-cnstn/lib/form-data-mapper.ts b/apps/as/src/pages/design-cnstn/lib/form-data-mapper.ts
new file mode 100644
index 000000000..a34888317
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/lib/form-data-mapper.ts
@@ -0,0 +1,97 @@
+import type { IUserInfo } from "@/shared/store";
+import type { DesignCnstnMngDetResponseDto } from "@/entities/design-cnstn";
+
+import type { DesignCnstnRegistFormData } from "./design-cnstn-regist-schema";
+import { parseTaskSeComCdFromApi } from "./design-cnstn-regist-schema";
+
+function mapEsntlAtchFileList(esntlFileList: DesignCnstnMngDetResponseDto["esntlFileList"]) {
+  const esntlMap = new Map<string, string>();
+
+  for (const item of esntlFileList ?? []) {
+    if (!item.esntlAtchFileId || !item.atflCd) continue;
+    esntlMap.set(item.esntlAtchFileId, item.atflCd);
+  }
+
+  return Array.from(esntlMap.entries()).map(([esntlAtchFileId, atchFileGroupId]) => ({
+    esntlAtchFileId,
+    atchFileGroupId,
+  }));
+}
+
+export function mapDetailToFormData(data: DesignCnstnMngDetResponseDto): DesignCnstnRegistFormData {
+  const detDto = data.detDto;
+  if (!detDto) {
+    throw new Error("상세 정보(detDto)가 없습니다.");
+  }
+
+  const bizSclList = data.bizSclList ?? [];
+
+  return {
+    designCnstnMng: {
+      designCnstnDocNo: detDto.designCnstnDocNo,
+      bizNm: detDto.bizNm ?? "",
+      bizBgngYr: detDto.bizBgngYr ?? "",
+      bizEndYr: detDto.bizEndYr ?? "",
+      bizCn: detDto.bizCn ?? "",
+      taskSeComCd: parseTaskSeComCdFromApi(detDto.taskSeComCd),
+      dsgnrNm: detDto.dsgnrNm ?? "",
+      dsgnrTelno: detDto.dsgnrTelno ?? "",
+      dsgnrOgdpNm: detDto.dsgnrOgdpNm ?? "",
+      dsgnrEmlAddr: detDto.dsgnrEmlAddr ?? "",
+      aplcntNm: detDto.aplcntNm ?? "",
+      aplcntMblTelno: detDto.aplcntMblTelno ?? "",
+      aplcntOgdpNm: detDto.aplcntOgdpNm ?? "",
+      aplcntEmlAddr: detDto.aplcntEmlAddr ?? "",
+      admdstCd: detDto.admdstCd,
+      envoSeComCd: detDto.envoSeComCd,
+      prgrsSttsComCd: detDto.prgrsSttsComCd,
+      atchFileGroupId: detDto.atchFileGroupId ?? "",
+      envoSeCdNm: detDto.envoSeCdNm,
+      taskSeCdNm: detDto.taskSeCdNm,
+      prgrsSttsCdNm: detDto.prgrsSttsCdNm,
+      sido: detDto.sido,
+      gugun: detDto.gugun,
+      regDt: detDto.regDt,
+      rgtr: detDto.rgtr,
+      rgtrNm: detDto.rgtrNm,
+      mdfcnDt: detDto.mdfcnDt,
+    },
+    bzScaleList: bizSclList.map((item) => ({
+      cnstpSeCd: item.cnstpSeCd,
+      bscPl: item.bscPlanQty,
+      budgetReflct: item.bgtRfltQty,
+      thtiDsgn: item.tstmDesignQty,
+      diff: item.tstmDesignQty - item.bgtRfltQty,
+    })),
+    esntlAtchFileList: mapEsntlAtchFileList(data.esntlFileList),
+    privacyConsent: "Y",
+  };
+}
+
+export function getCreateDefaultValues(
+  userInfo: IUserInfo | null,
+  taskSeComCd?: string[],
+): DesignCnstnRegistFormData {
+  return {
+    designCnstnMng: {
+      bizNm: "",
+      bizBgngYr: "",
+      bizEndYr: "",
+      bizCn: "",
+      taskSeComCd: taskSeComCd ?? [],
+      dsgnrNm: "",
+      dsgnrTelno: "",
+      dsgnrOgdpNm: "",
+      dsgnrEmlAddr: "",
+      aplcntNm: userInfo?.userName ?? "",
+      aplcntMblTelno: userInfo?.mphn ?? "",
+      aplcntOgdpNm: userInfo?.ogdpSeNm ?? "",
+      aplcntEmlAddr: userInfo?.email ?? "",
+      prgrsSttsComCd: "CV",
+      atchFileGroupId: "",
+    },
+    bzScaleList: [],
+    esntlAtchFileList: [],
+    privacyConsent: "N",
+  };
+}
diff --git a/apps/as/src/pages/design-cnstn/lib/review-opinion-utils.ts b/apps/as/src/pages/design-cnstn/lib/review-opinion-utils.ts
new file mode 100644
index 000000000..fd7da632b
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/lib/review-opinion-utils.ts
@@ -0,0 +1,94 @@
+import type {
+  DesignCnstnMngDetResponseDto,
+  DesignCnstnRvwOpnnResponseDto,
+  DesignCnstnRvwOpnnSaveRequestDto,
+} from "@/entities/design-cnstn";
+
+export interface ReviewOpinionFormData {
+  rvwRsltCn: string;
+  rvwRsltAnmlyYn: "Y" | "N" | "";
+  atchFileGroupId: string;
+  opnrSeComCd: string;
+  rvwOpnnSn?: number;
+}
+
+export interface ReviewOpinionGetFormDataResult {
+  formData: ReviewOpinionFormData;
+  rvwList: DesignCnstnRvwOpnnResponseDto[];
+}
+
+function hasReviewOpinionContent(formData: ReviewOpinionFormData) {
+  return Boolean(formData.rvwRsltCn.trim() || formData.rvwRsltAnmlyYn || formData.atchFileGroupId);
+}
+
+function mapServerItemToSaveDto(
+  item: DesignCnstnRvwOpnnResponseDto,
+  designCnstnDocNo: string,
+): DesignCnstnRvwOpnnSaveRequestDto | null {
+  if (item.rvwOpnnSn == null) return null;
+
+  return {
+    designCnstnDocNo,
+    rvwOpnnSn: item.rvwOpnnSn,
+    opnrSeComCd: item.opnrSeComCd,
+    opnrNm: item.opnrNm,
+    rvwRsltCn: item.rvwRsltCn,
+    rvwRsltAnmlyYn: item.rvwRsltAnmlyYn || undefined,
+    atchFileGroupId: item.atchFileGroupId || undefined,
+  };
+}
+
+function mapFormDataToSaveDto(
+  formData: ReviewOpinionFormData,
+  designCnstnDocNo: string,
+  opnrNm?: string,
+): DesignCnstnRvwOpnnSaveRequestDto {
+  const base = {
+    designCnstnDocNo,
+    opnrSeComCd: formData.opnrSeComCd,
+    opnrNm: opnrNm ?? "",
+    rvwRsltCn: formData.rvwRsltCn,
+    rvwRsltAnmlyYn: formData.rvwRsltAnmlyYn || undefined,
+    atchFileGroupId: formData.atchFileGroupId || undefined,
+  };
+
+  if (formData.rvwOpnnSn != null) {
+    return { ...base, rvwOpnnSn: formData.rvwOpnnSn };
+  }
+
+  return base as DesignCnstnRvwOpnnSaveRequestDto;
+}
+
+export function toRvwOpnnSaveDto(
+  data: DesignCnstnMngDetResponseDto,
+  result: ReviewOpinionGetFormDataResult | null | undefined,
+  opnrNm?: string,
+): DesignCnstnRvwOpnnSaveRequestDto[] | undefined {
+  if (!result || !data.detDto) return undefined;
+
+  const { formData, rvwList } = result;
+  const designCnstnDocNo = data.detDto.designCnstnDocNo;
+
+  const list: DesignCnstnRvwOpnnSaveRequestDto[] = rvwList
+    .map((item) => mapServerItemToSaveDto(item, designCnstnDocNo))
+    .filter((item): item is DesignCnstnRvwOpnnSaveRequestDto => item != null);
+
+  if (!hasReviewOpinionContent(formData)) {
+    return list.length > 0 ? list : undefined;
+  }
+
+  const formDto = mapFormDataToSaveDto(formData, designCnstnDocNo, opnrNm);
+
+  if (formData.rvwOpnnSn != null) {
+    const existingIndex = list.findIndex((item) => item.rvwOpnnSn === formData.rvwOpnnSn);
+    if (existingIndex >= 0) {
+      list[existingIndex] = formDto;
+    } else {
+      list.push(formDto);
+    }
+  } else {
+    list.push(formDto);
+  }
+
+  return list.length > 0 ? list : undefined;
+}
diff --git a/apps/as/src/pages/design-cnstn/lib/review-step-utils.ts b/apps/as/src/pages/design-cnstn/lib/review-step-utils.ts
new file mode 100644
index 000000000..f96b9b4ef
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/lib/review-step-utils.ts
@@ -0,0 +1,12 @@
+import type { ReviewStepCode } from "../model/view-types";
+
+export function getEditableReviewStep(
+  dtlInstCd?: string,
+  prgrsSttsComCd?: string,
+): ReviewStepCode | undefined {
+  if (dtlInstCd === "ROLE_USER01" && prgrsSttsComCd === "CS") {
+    return "KECO";
+  }
+
+  return undefined;
+}
diff --git a/apps/as/src/pages/design-cnstn/lib/save-payload-utils.ts b/apps/as/src/pages/design-cnstn/lib/save-payload-utils.ts
new file mode 100644
index 000000000..48fff8b26
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/lib/save-payload-utils.ts
@@ -0,0 +1,71 @@
+import type {
+  BizSclTreeDto,
+  BzScaleItem,
+  DesignCnstnApplySaveRequestDto,
+  DesignCnstnMngDetResponseDto,
+  EsntlAtchFileItem,
+  EsntlAtchFileMngTreeResponseDto,
+} from "@/entities/design-cnstn";
+
+import type { ReviewStepCode } from "../model/view-types";
+
+import { type ReviewOpinionGetFormDataResult, toRvwOpnnSaveDto } from "./review-opinion-utils";
+
+export function toBzScaleSaveDto(bizSclList: BizSclTreeDto[]): BzScaleItem[] {
+  return bizSclList
+    .filter((node) => node.useYn === "Y")
+    .map((node) => ({
+      cnstpSeCd: node.cnstpSeCd,
+      bscPl: node.bscPlanQty,
+      budgetReflct: node.bgtRfltQty,
+      thtiDsgn: node.tstmDesignQty,
+    }));
+}
+
+export function toEsntlAtchFileSaveDto(
+  esntlFileList: EsntlAtchFileMngTreeResponseDto[],
+): EsntlAtchFileItem[] {
+  const esntlMap = new Map<string, string>();
+
+  for (const item of esntlFileList) {
+    if (!item.esntlAtchFileId || !item.atflCd) continue;
+    esntlMap.set(item.esntlAtchFileId, item.atflCd);
+  }
+
+  return Array.from(esntlMap.entries()).map(([esntlAtchFileId, atchFileGroupId]) => ({
+    esntlAtchFileId,
+    atchFileGroupId,
+  }));
+}
+
+export function buildSavePayload(
+  data: DesignCnstnMngDetResponseDto,
+  prgrsSttsComCd: string,
+): DesignCnstnApplySaveRequestDto {
+  const detDto = data.detDto;
+  if (!detDto) {
+    throw new Error("상세 정보(detDto)가 없습니다.");
+  }
+
+  return {
+    designCnstnMng: { ...detDto, prgrsSttsComCd },
+    bzScaleList: toBzScaleSaveDto(data.bizSclList ?? []),
+    esntlAtchFileList: toEsntlAtchFileSaveDto(data.esntlFileList ?? []),
+  };
+}
+
+export function buildTechReviewPayload(
+  data: DesignCnstnMngDetResponseDto,
+  prgrsSttsComCd: string,
+  techReViewSaveCd: string,
+  reviewStep: ReviewStepCode,
+  reviewOpinionFormData?: ReviewOpinionGetFormDataResult | null,
+  opnrNm?: string,
+): DesignCnstnApplySaveRequestDto {
+  return {
+    ...buildSavePayload(data, prgrsSttsComCd),
+    techReViewSaveCd,
+    rvwStpCd: reviewStep,
+    rvwOpnnList: toRvwOpnnSaveDto(data, reviewOpinionFormData, opnrNm),
+  };
+}
diff --git a/apps/as/src/pages/design-cnstn/model/columns.tsx b/apps/as/src/pages/design-cnstn/model/columns.tsx
new file mode 100644
index 000000000..6cfdb7f70
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/model/columns.tsx
@@ -0,0 +1,161 @@
+"use client";
+
+import { Fragment } from "react";
+
+import { createColumnHelper } from "@tanstack/react-table";
+
+import { dayjs } from "@/shared/lib";
+import type { DesignCnstnMngResponseDto } from "@/entities/design-cnstn";
+import { Badge } from "@common/components";
+
+const columnHelper = createColumnHelper<DesignCnstnMngResponseDto>();
+
+const MAIN_STEP_LABELS = {
+  save: "저장",
+  apply: "신청완료",
+  review: "설계자문 검토",
+  reply: "설계검토 회신",
+} as const;
+
+const REVIEW_STATUS_CODES = new Set(["CS", "CR"]);
+
+type BadgeState = "completed" | "current" | "pending" | "action";
+
+interface ProgressBadge {
+  label: string;
+  state: BadgeState;
+}
+
+function buildProgressBadges(prgrsSttsComCd: string, prgrsSttsCdNm: string): ProgressBadge[] {
+  const reviewLabel = prgrsSttsCdNm || MAIN_STEP_LABELS.review;
+  const replyLabel = prgrsSttsCdNm || MAIN_STEP_LABELS.reply;
+
+  if (prgrsSttsComCd === "CV") {
+    return [
+      { label: MAIN_STEP_LABELS.save, state: "current" },
+      { label: MAIN_STEP_LABELS.apply, state: "pending" },
+      { label: MAIN_STEP_LABELS.review, state: "pending" },
+      { label: MAIN_STEP_LABELS.reply, state: "pending" },
+    ];
+  }
+
+  if (prgrsSttsComCd === "CT") {
+    return [
+      { label: MAIN_STEP_LABELS.save, state: "completed" },
+      { label: MAIN_STEP_LABELS.apply, state: "current" },
+      { label: MAIN_STEP_LABELS.review, state: "pending" },
+      { label: MAIN_STEP_LABELS.reply, state: "pending" },
+    ];
+  }
+
+  if (REVIEW_STATUS_CODES.has(prgrsSttsComCd)) {
+    return [
+      { label: MAIN_STEP_LABELS.save, state: "completed" },
+      { label: MAIN_STEP_LABELS.apply, state: "completed" },
+      { label: reviewLabel, state: "action" },
+      { label: MAIN_STEP_LABELS.reply, state: "pending" },
+    ];
+  }
+
+  if (prgrsSttsComCd === "CP" || prgrsSttsComCd === "EP") {
+    return [
+      { label: MAIN_STEP_LABELS.save, state: "completed" },
+      { label: MAIN_STEP_LABELS.apply, state: "completed" },
+      { label: MAIN_STEP_LABELS.review, state: "completed" },
+      { label: replyLabel, state: "action" },
+    ];
+  }
+
+  return [{ label: prgrsSttsCdNm || prgrsSttsComCd || "-", state: "current" }];
+}
+
+function getBadgeColor(state: BadgeState) {
+  switch (state) {
+    case "completed":
+      return "green";
+    case "current":
+      return "blue";
+    case "pending":
+      return "lightGray";
+    case "action":
+      return "orange";
+  }
+}
+
+function formatOptional(value: string | undefined) {
+  return value?.trim() ? value : "-";
+}
+
+interface ProgressStepBadgeProps {
+  prgrsSttsComCd: string;
+  prgrsSttsCdNm: string;
+}
+
+function ProgressStepBadge({ prgrsSttsComCd, prgrsSttsCdNm }: ProgressStepBadgeProps) {
+  const badges = buildProgressBadges(prgrsSttsComCd, prgrsSttsCdNm);
+
+  return (
+    <div className="flex flex-wrap items-center justify-start">
+      {badges.map((badge, index) => (
+        <Fragment key={`${badge.label}-${index}`}>
+          {index > 0 && <span className="mx-2">&gt;</span>}
+          <Badge color={getBadgeColor(badge.state)}>{badge.label}</Badge>
+        </Fragment>
+      ))}
+    </div>
+  );
+}
+
+export function createDesignCnstnColumns() {
+  return [
+    columnHelper.accessor("sido", {
+      header: "시도",
+      meta: { align: "center" },
+      cell: ({ getValue }) => formatOptional(getValue()),
+    }),
+    columnHelper.accessor("gugun", {
+      header: "시군구",
+      meta: { align: "center" },
+      cell: ({ getValue }) => formatOptional(getValue()),
+    }),
+    columnHelper.accessor("bizNm", {
+      header: "사업명",
+      meta: { align: "left" },
+      cell: ({ getValue }) => formatOptional(getValue()),
+    }),
+    columnHelper.accessor("taskSeCdNm", {
+      header: "업무구분",
+      meta: { align: "center" },
+      cell: ({ row }) => formatOptional(row.original.taskSeCdNm || row.original.taskSeComCd),
+    }),
+    columnHelper.accessor("aplcntNm", {
+      header: "담당자",
+      meta: { align: "center" },
+      cell: ({ getValue }) => formatOptional(getValue()),
+    }),
+    columnHelper.accessor("envoSeCdNm", {
+      header: "해당기관",
+      meta: { align: "center" },
+      cell: ({ getValue }) => formatOptional(getValue()),
+    }),
+    columnHelper.display({
+      id: "progress",
+      header: "진행상황",
+      meta: { align: "center" },
+      cell: ({ row }) => (
+        <ProgressStepBadge
+          prgrsSttsComCd={row.original.prgrsSttsComCd || ""}
+          prgrsSttsCdNm={row.original.prgrsSttsCdNm || ""}
+        />
+      ),
+    }),
+    columnHelper.accessor("regDt", {
+      header: "신청일",
+      meta: { align: "center" },
+      cell: ({ getValue }) => {
+        const value = getValue();
+        return value ? dayjs(value).format("YYYY-MM-DD") : "-";
+      },
+    }),
+  ];
+}
diff --git a/apps/as/src/pages/design-cnstn/model/view-types.ts b/apps/as/src/pages/design-cnstn/model/view-types.ts
new file mode 100644
index 000000000..0f9b93431
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/model/view-types.ts
@@ -0,0 +1,15 @@
+export type ReviewStepCode = "LOCAL" | "ENV" | "KECO";
+
+export const REVIEW_STEP_LABELS: Record<ReviewStepCode, string> = {
+  LOCAL: "지자체",
+  ENV: "환경청",
+  KECO: "환경공단",
+};
+
+export const DESIGN_PROGRESS_ORDER = ["CV", "CT", "CS", "CR", "CP", "EP"] as const;
+
+export const ROLE_TO_REVIEW_STEP: Record<string, ReviewStepCode> = {
+  ROLE_USER05: "LOCAL",
+  ROLE_USER03: "ENV",
+  ROLE_USER01: "KECO",
+};
diff --git a/apps/as/src/pages/design-cnstn/ui/components/floating-action-buttons.tsx b/apps/as/src/pages/design-cnstn/ui/components/floating-action-buttons.tsx
new file mode 100644
index 000000000..9159fcdae
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/components/floating-action-buttons.tsx
@@ -0,0 +1,391 @@
+"use client";
+
+import { useMemo, useState } from "react";
+import { useRouter } from "next/navigation";
+
+import { useConfirm } from "@frontend-opensource/use-react-hooks";
+import { useQueryClient } from "@tanstack/react-query";
+import { AxiosError } from "axios";
+
+import { ENDPOINT } from "@/shared/config";
+import { useAlertStore, useUserStore } from "@/shared/lib";
+import {
+  type DesignCnstnApplySaveRequestDto,
+  designCnstnMngBaseKey,
+  type DesignCnstnMngDetResponseDto,
+  designCnstnMngService,
+} from "@/entities/design-cnstn";
+import {
+  buildElaprPrgrsSttsListFromAplnRows,
+  ElaprApprovalDialog,
+  type ElaprDmndSaveRequestDto,
+  elaprDmndService,
+  type ElaprTmpltPickerConfirmPayload,
+  ElaprTmpltPickerDialog,
+  hasCurrentUserPendingApprovalRequest,
+  useElaprDocPrgrsByDocNo,
+} from "@/entities/elapr";
+import { Button } from "@common/components";
+
+import {
+  DESIGN_CNSTN_VIEW_BUTTON_ACTION,
+  type DesignCnstnViewButtonAction,
+  getButtonConfigs,
+  needsRoleUser01AtrzResolve,
+} from "../../lib/button-config";
+import { buildSavePayload, buildTechReviewPayload } from "../../lib/save-payload-utils";
+import type { TechReviewOpinionSectionHandle } from "../sections/tech-review-opinion-section";
+
+interface FloatingActionButtonsProps {
+  data: DesignCnstnMngDetResponseDto;
+  docSeComCd: string;
+  designCnstnDocNo: string;
+  prgrsSttsComCd: string;
+  dtlInstCd: string | undefined;
+  atrzSeComCdList: string[];
+  isRvwLoginUserLoading: boolean;
+  techReviewOpinionRef?: React.RefObject<TechReviewOpinionSectionHandle | null>;
+  opnrNm?: string;
+}
+
+type ActiveDialog = "elaprTmplt" | "elaprApproval" | null;
+
+function FloatingActionButtons({
+  data,
+  docSeComCd,
+  designCnstnDocNo,
+  prgrsSttsComCd,
+  dtlInstCd,
+  atrzSeComCdList,
+  isRvwLoginUserLoading,
+  techReviewOpinionRef,
+  opnrNm,
+}: FloatingActionButtonsProps) {
+  const router = useRouter();
+  const { confirm } = useConfirm();
+  const queryClient = useQueryClient();
+  const userInfo = useUserStore((state) => state.userInfo);
+  const alert = useAlertStore((state) => state.setMessage);
+  const [isProcessing, setIsProcessing] = useState(false);
+  const [activeDialog, setActiveDialog] = useState<ActiveDialog>(null);
+
+  const docNo = data.detDto?.designCnstnDocNo ?? designCnstnDocNo;
+  const isRegister = data.detDto?.rgtr === userInfo?.userUnqId;
+
+  const needsAtrzResolve = needsRoleUser01AtrzResolve(dtlInstCd, prgrsSttsComCd);
+  const needsCsApprovalCheck = needsAtrzResolve && prgrsSttsComCd === "CS";
+  const { data: elaprDocPrgrsList = [], isLoading: isElaprDocPrgrsLoading } =
+    useElaprDocPrgrsByDocNo(needsCsApprovalCheck ? docNo : null);
+
+  const hasPendingApprovalRequest = hasCurrentUserPendingApprovalRequest(
+    elaprDocPrgrsList,
+    userInfo?.userUnqId,
+  );
+
+  const actionButtons = useMemo(() => {
+    if (needsAtrzResolve && isRvwLoginUserLoading) return [];
+    if (needsCsApprovalCheck && isElaprDocPrgrsLoading) return [];
+    return getButtonConfigs(dtlInstCd, prgrsSttsComCd, atrzSeComCdList, {
+      hasPendingApprovalRequest: needsCsApprovalCheck ? hasPendingApprovalRequest : undefined,
+    });
+  }, [
+    atrzSeComCdList,
+    dtlInstCd,
+    hasPendingApprovalRequest,
+    isElaprDocPrgrsLoading,
+    isRvwLoginUserLoading,
+    needsAtrzResolve,
+    needsCsApprovalCheck,
+    prgrsSttsComCd,
+  ]);
+
+  const canEdit =
+    isRegister && actionButtons.some((button) => button === DESIGN_CNSTN_VIEW_BUTTON_ACTION.strg);
+
+  function handleGoToList() {
+    router.push("/design-cnstn");
+  }
+
+  function handleEdit() {
+    router.push(`/design-cnstn/${designCnstnDocNo}/edit`);
+  }
+
+  function shouldShowButton(action: DesignCnstnViewButtonAction) {
+    return actionButtons.some((button) => button === action);
+  }
+
+  async function executeAction({
+    action,
+    request,
+    successMessage,
+  }: {
+    action: DesignCnstnViewButtonAction;
+    request?: unknown;
+    successMessage?: string;
+  }) {
+    const handler = buttonActionHandlers[action];
+    if (!handler) return;
+
+    setIsProcessing(true);
+    try {
+      await handler({
+        request,
+        data,
+        onSuccess: () => {
+          if (successMessage) alert(successMessage);
+          queryClient.invalidateQueries({
+            queryKey: [...designCnstnMngBaseKey, "findById", designCnstnDocNo],
+          });
+        },
+        onError: (error) => {
+          let errorMessage = "";
+          if (error instanceof AxiosError) {
+            errorMessage = error.response?.data?.message ?? "";
+          } else {
+            errorMessage = error.message ?? "처리 중 오류가 발생했습니다.";
+          }
+          alert(errorMessage);
+        },
+      });
+    } finally {
+      setIsProcessing(false);
+    }
+  }
+
+  async function handleStrgClick() {
+    const payload: DesignCnstnApplySaveRequestDto = buildSavePayload(data, "CV");
+    await executeAction({
+      action: DESIGN_CNSTN_VIEW_BUTTON_ACTION.strg,
+      request: payload,
+      successMessage: "저장되었습니다.",
+    });
+  }
+
+  async function handleAplyClick() {
+    const payload: DesignCnstnApplySaveRequestDto = buildSavePayload(data, "CT");
+    await executeAction({
+      action: DESIGN_CNSTN_VIEW_BUTTON_ACTION.aply,
+      request: payload,
+      successMessage: "신청 완료되었습니다.",
+    });
+    queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+  }
+
+  async function handleDelClick() {
+    if (!(await confirm("삭제하시겠습니까?"))) return;
+    await executeAction({
+      action: DESIGN_CNSTN_VIEW_BUTTON_ACTION.del,
+      successMessage: "삭제되었습니다.",
+    });
+    router.push("/design-cnstn");
+  }
+
+  function getReviewOpinionFormData() {
+    return techReviewOpinionRef?.current?.getFormData() ?? null;
+  }
+
+  async function handleElaprTmpltConfirm({ aplnRows }: ElaprTmpltPickerConfirmPayload) {
+    const payload: ElaprDmndSaveRequestDto = {
+      elaprDocNo: docNo,
+      dmndTtl: data.detDto?.bizNm ?? "",
+      dmndCn: data.detDto?.bizCn ?? "",
+      elaprPrgrsSttsList: buildElaprPrgrsSttsListFromAplnRows(aplnRows),
+    };
+    await executeAction({
+      action: DESIGN_CNSTN_VIEW_BUTTON_ACTION.rqstRvw,
+      request: payload,
+      successMessage: "검토자지정이 완료되었습니다.",
+    });
+    await queryClient.invalidateQueries({
+      queryKey: [ENDPOINT.AS_ELAPR_SERVICE.ELAPR_DMND, "findDocPrgrsByDocNo", docNo],
+    });
+  }
+
+  async function handleRvwStrgClick() {
+    const payload = buildTechReviewPayload(
+      data,
+      "CS",
+      "SV",
+      "KECO",
+      getReviewOpinionFormData(),
+      opnrNm,
+    );
+
+    await executeAction({
+      action: DESIGN_CNSTN_VIEW_BUTTON_ACTION.rvwStrg,
+      request: payload,
+      successMessage: "저장되었습니다.",
+    });
+    techReviewOpinionRef?.current?.resetForm();
+  }
+
+  async function handleRvwCmptnClick() {
+    const payload = buildTechReviewPayload(
+      data,
+      "CS",
+      "CP",
+      "KECO",
+      getReviewOpinionFormData(),
+      opnrNm,
+    );
+
+    await executeAction({
+      action: DESIGN_CNSTN_VIEW_BUTTON_ACTION.rvwCmptn,
+      request: payload,
+    });
+    techReviewOpinionRef?.current?.resetForm();
+    setActiveDialog("elaprApproval");
+  }
+
+  return (
+    <>
+      <div className="sticky bottom-0 z-40 !-mb-2 border-t bg-white pb-8 pt-6 shadow-[0_-4px_12px_rgba(0,0,0,0.06)]">
+        <div className="mx-4 flex flex-wrap justify-center gap-3 sm:gap-4">
+          <Button color="white" type="button" onClick={handleGoToList} disabled={isProcessing}>
+            목록
+          </Button>
+          {canEdit && (
+            <Button color="gray" onClick={handleEdit} disabled={isProcessing}>
+              수정
+            </Button>
+          )}
+          {shouldShowButton(DESIGN_CNSTN_VIEW_BUTTON_ACTION.strg) && (
+            <Button onClick={handleStrgClick} disabled={isProcessing}>
+              저장
+            </Button>
+          )}
+          {shouldShowButton(DESIGN_CNSTN_VIEW_BUTTON_ACTION.aply) && (
+            <Button color="green" onClick={handleAplyClick} disabled={isProcessing}>
+              신청완료
+            </Button>
+          )}
+          {shouldShowButton(DESIGN_CNSTN_VIEW_BUTTON_ACTION.del) && (
+            <Button color="red" onClick={handleDelClick} disabled={isProcessing}>
+              삭제
+            </Button>
+          )}
+          {shouldShowButton(DESIGN_CNSTN_VIEW_BUTTON_ACTION.rqstRvw) && (
+            <Button onClick={() => setActiveDialog("elaprTmplt")} disabled={isProcessing}>
+              검토자지정
+            </Button>
+          )}
+          {shouldShowButton(DESIGN_CNSTN_VIEW_BUTTON_ACTION.rvwStrg) && (
+            <Button onClick={handleRvwStrgClick} disabled={isProcessing}>
+              저장
+            </Button>
+          )}
+          {shouldShowButton(DESIGN_CNSTN_VIEW_BUTTON_ACTION.rvwCmptn) && (
+            <Button color="green" onClick={handleRvwCmptnClick} disabled={isProcessing}>
+              검토완료
+            </Button>
+          )}
+          {shouldShowButton(DESIGN_CNSTN_VIEW_BUTTON_ACTION.atrzAprv) && (
+            <Button onClick={() => setActiveDialog("elaprApproval")} disabled={isProcessing}>
+              결재(승인)
+            </Button>
+          )}
+          {shouldShowButton(DESIGN_CNSTN_VIEW_BUTTON_ACTION.atrzRply) && (
+            <Button onClick={() => setActiveDialog("elaprApproval")} disabled={isProcessing}>
+              결재(회신)
+            </Button>
+          )}
+        </div>
+      </div>
+
+      <ElaprTmpltPickerDialog
+        open={activeDialog === "elaprTmplt"}
+        onClose={() => setActiveDialog(null)}
+        docSeComCd={docSeComCd}
+        onConfirm={handleElaprTmpltConfirm}
+      />
+
+      <ElaprApprovalDialog
+        open={activeDialog === "elaprApproval"}
+        onOpenChange={(open) => setActiveDialog(open ? "elaprApproval" : null)}
+        elaprDocNo={data.detDto?.designCnstnDocNo ?? designCnstnDocNo}
+        currentUserUuid={userInfo?.userUnqId ?? ""}
+        onSuccess={() => {
+          queryClient.invalidateQueries({
+            queryKey: [...designCnstnMngBaseKey, "findById", designCnstnDocNo],
+          });
+        }}
+      />
+    </>
+  );
+}
+
+export { FloatingActionButtons };
+
+async function handleSaveApply(
+  context: ActionHandlerContext<DesignCnstnApplySaveRequestDto>,
+): Promise<void> {
+  try {
+    await designCnstnMngService.saveApply(context.request);
+    context.onSuccess?.();
+  } catch (error) {
+    context.onError?.(error as Error);
+  }
+}
+
+async function handleDel(context: ActionHandlerContext): Promise<void> {
+  try {
+    await designCnstnMngService.delete(context.data.detDto?.designCnstnDocNo ?? "");
+    context.onSuccess?.();
+  } catch (error) {
+    context.onError?.(error as Error);
+  }
+}
+
+async function handleTechReview(
+  context: ActionHandlerContext<DesignCnstnApplySaveRequestDto>,
+): Promise<void> {
+  try {
+    await designCnstnMngService.techReview(
+      context.data.detDto?.designCnstnDocNo ?? "",
+      context.request,
+    );
+    context.onSuccess?.();
+  } catch (error) {
+    context.onError?.(error as Error);
+  }
+}
+
+async function handleRqstRvw(
+  context: ActionHandlerContext<ElaprDmndSaveRequestDto>,
+): Promise<void> {
+  try {
+    await elaprDmndService.save(context.request);
+    context.onSuccess?.();
+  } catch (error) {
+    context.onError?.(error as Error);
+  }
+}
+
+async function handleAtrzAprv(context: ActionHandlerContext): Promise<void> {
+  context.onSuccess?.();
+}
+
+async function handleAtrzRply(context: ActionHandlerContext): Promise<void> {
+  context.onSuccess?.();
+}
+
+const buttonActionHandlers: Record<DesignCnstnViewButtonAction, ActionHandler> = {
+  strg: handleSaveApply,
+  aply: handleSaveApply,
+  del: handleDel,
+  rqstRvw: handleRqstRvw,
+  rvwStrg: handleTechReview,
+  rvwCmptn: handleTechReview,
+  atrzAprv: handleAtrzAprv,
+  atrzRply: handleAtrzRply,
+};
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+interface ActionHandlerContext<T = any> {
+  request: T;
+  data: DesignCnstnMngDetResponseDto;
+  onSuccess?: () => void;
+  onError?: (error: Error) => void;
+}
+
+type ActionHandler = (context: ActionHandlerContext) => Promise<void>;
diff --git a/apps/as/src/pages/design-cnstn/ui/design-edit-page.tsx b/apps/as/src/pages/design-cnstn/ui/design-edit-page.tsx
new file mode 100644
index 000000000..af2e71ace
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/design-edit-page.tsx
@@ -0,0 +1,41 @@
+"use client";
+
+import { useDesignCnstnMng } from "@/entities/design-cnstn";
+import { Skeleton } from "@common/components";
+
+import { DesignFormPage } from "./design-form-page";
+
+interface DesignEditPageProps {
+  id: string;
+}
+
+function DesignEditPage({ id }: DesignEditPageProps) {
+  const { data, isLoading } = useDesignCnstnMng(id);
+
+  if (isLoading) {
+    return (
+      <div className="mt-6 space-y-6 px-4">
+        <div className="space-y-2">
+          <Skeleton className="h-[4rem] w-full" />
+          <Skeleton className="h-[20rem] w-full" />
+        </div>
+        <div className="space-y-2">
+          <Skeleton className="h-[4rem] w-full" />
+          <Skeleton className="h-[20rem] w-full" />
+        </div>
+        <div className="space-y-2">
+          <Skeleton className="h-[4rem] w-full" />
+          <Skeleton className="h-[20rem] w-full" />
+        </div>
+      </div>
+    );
+  }
+
+  if (!data?.detDto) {
+    return <div className="mt-6 text-[1.4rem]">상세 정보를 찾을 수 없습니다.</div>;
+  }
+
+  return <DesignFormPage id={id} mode="edit" initialData={data} />;
+}
+
+export { DesignEditPage };
diff --git a/apps/as/src/pages/design-cnstn/ui/design-form-page.tsx b/apps/as/src/pages/design-cnstn/ui/design-form-page.tsx
new file mode 100644
index 000000000..6c09a5320
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/design-form-page.tsx
@@ -0,0 +1,209 @@
+"use client";
+
+import { useState } from "react";
+import { FormProvider, useForm } from "react-hook-form";
+import { useRouter } from "next/navigation";
+
+import { useConfirm } from "@frontend-opensource/use-react-hooks";
+import { zodResolver } from "@hookform/resolvers/zod";
+import { useQueryClient } from "@tanstack/react-query";
+
+import { useAlertStore, useUserStore } from "@/shared/lib";
+import {
+  type DesignCnstnApplySaveRequestDto,
+  designCnstnMngBaseKey,
+  type DesignCnstnMngDetResponseDto,
+  designCnstnMngService,
+} from "@/entities/design-cnstn";
+import {
+  AttachmentsFormSection,
+  BusinessScaleFormSection,
+  ContactInfoFormSection,
+  PrivacyConsentSection,
+} from "@/widgets/pbadms-sprt";
+import { Button } from "@common/components";
+
+import {
+  type DesignCnstnRegistFormData,
+  designCnstnRegistSchema,
+  formatTaskSeComCdForApi,
+} from "../lib/design-cnstn-regist-schema";
+import { getCreateDefaultValues, mapDetailToFormData } from "../lib/form-data-mapper";
+
+import { BasicInfoFormSection } from "./sections/basic-info-form-section";
+
+interface DesignFormPageProps {
+  id?: string;
+  mode: "create" | "edit";
+  initialData?: DesignCnstnMngDetResponseDto;
+  taskSeComCd?: string[];
+}
+
+function DesignFormPage({ id, mode, initialData, taskSeComCd }: DesignFormPageProps) {
+  const queryClient = useQueryClient();
+  const router = useRouter();
+  const { confirm } = useConfirm();
+  const userInfo = useUserStore((state) => state.userInfo);
+  const alert = useAlertStore((state) => state.setMessage);
+  const [isSubmitting, setIsSubmitting] = useState(false);
+  const isEditMode = mode === "edit";
+
+  const form = useForm<DesignCnstnRegistFormData>({
+    resolver: zodResolver(designCnstnRegistSchema),
+    mode: "onChange",
+    defaultValues:
+      isEditMode && initialData
+        ? mapDetailToFormData(initialData)
+        : getCreateDefaultValues(userInfo, taskSeComCd),
+  });
+
+  function buildFormPayload(
+    data: DesignCnstnRegistFormData,
+    prgrsSttsComCd: "CV" | "CT",
+  ): DesignCnstnApplySaveRequestDto {
+    const { taskSeComCd: formTaskSeComCd, ...designCnstnMngRest } = data.designCnstnMng;
+
+    return {
+      designCnstnMng: {
+        ...designCnstnMngRest,
+        taskSeComCd: formatTaskSeComCdForApi(formTaskSeComCd),
+        designCnstnDocNo: isEditMode ? initialData?.detDto?.designCnstnDocNo : undefined,
+        prgrsSttsComCd,
+      },
+      bzScaleList: data.bzScaleList,
+      esntlAtchFileList: data.esntlAtchFileList,
+    };
+  }
+
+  async function submitForm(
+    data: DesignCnstnRegistFormData,
+    prgrsSttsComCd: "CV" | "CT",
+  ): Promise<string | undefined> {
+    return designCnstnMngService.saveApply(buildFormPayload(data, prgrsSttsComCd));
+  }
+
+  async function onSave(data: DesignCnstnRegistFormData) {
+    if (isSubmitting) return;
+
+    try {
+      setIsSubmitting(true);
+      const designCnstnDocNo = await submitForm(data, "CV");
+      if (!designCnstnDocNo) return;
+
+      alert("저장되었습니다.");
+      router.push(`/design-cnstn/${designCnstnDocNo}/edit`);
+      if (isEditMode && id) {
+        queryClient.invalidateQueries({
+          queryKey: [...designCnstnMngBaseKey, "findById", id],
+        });
+      }
+    } catch (error) {
+      console.error("저장 실패:", error);
+      alert("저장 중 오류가 발생했습니다.");
+    } finally {
+      setIsSubmitting(false);
+    }
+  }
+
+  async function onApply(data: DesignCnstnRegistFormData) {
+    if (isSubmitting) return;
+
+    try {
+      setIsSubmitting(true);
+      const designCnstnDocNo = await submitForm(data, "CT");
+      if (!designCnstnDocNo) return;
+
+      alert("신청 완료되었습니다.");
+      router.push(`/design-cnstn/${designCnstnDocNo}`);
+      queryClient.invalidateQueries({ queryKey: designCnstnMngBaseKey });
+      if (id) {
+        queryClient.invalidateQueries({
+          queryKey: [...designCnstnMngBaseKey, "findById", id],
+        });
+      }
+    } catch (error) {
+      console.error("신청 실패:", error);
+      alert("신청 중 오류가 발생했습니다.");
+    } finally {
+      setIsSubmitting(false);
+    }
+  }
+
+  function handleApplyClick() {
+    form.handleSubmit(onApply)();
+  }
+
+  async function handleDelClick() {
+    if (isSubmitting) return;
+
+    const docNo = initialData?.detDto?.designCnstnDocNo;
+    if (!docNo) {
+      alert("문서번호가 없습니다.");
+      return;
+    }
+
+    if (!(await confirm("삭제하시겠습니까?"))) return;
+
+    try {
+      setIsSubmitting(true);
+      await designCnstnMngService.delete(docNo);
+      alert("삭제되었습니다.");
+      router.push("/design-cnstn");
+    } catch (error) {
+      console.error("삭제 실패:", error);
+      alert("삭제 중 오류가 발생했습니다.");
+    } finally {
+      setIsSubmitting(false);
+    }
+  }
+
+  return (
+    <FormProvider {...form}>
+      <form onSubmit={form.handleSubmit(onSave)} className="mt-6 space-y-4">
+        <BasicInfoFormSection />
+        <ContactInfoFormSection fieldPrefix="designCnstnMng" />
+        <PrivacyConsentSection />
+        <BusinessScaleFormSection />
+        <AttachmentsFormSection
+          docSeComCd="CNFM"
+          fieldPrefix="designCnstnMng"
+          initialEsntlFiles={isEditMode ? initialData?.esntlFileList : undefined}
+          initialEtcFiles={isEditMode ? initialData?.etcFileList : undefined}
+        />
+
+        <div className="sticky bottom-0 z-40 !-mb-2 border-t bg-white pb-8 pt-6 shadow-[0_-4px_12px_rgba(0,0,0,0.06)]">
+          <div className="mx-4 flex flex-wrap justify-center gap-3 sm:gap-4">
+            <Button
+              color="white"
+              type="button"
+              onClick={() => router.push("/design-cnstn")}
+              disabled={isSubmitting}
+            >
+              목록
+            </Button>
+            <Button type="submit" disabled={isSubmitting}>
+              저장
+            </Button>
+            {isEditMode && (
+              <>
+                <Button
+                  color="green"
+                  type="button"
+                  onClick={handleApplyClick}
+                  disabled={isSubmitting}
+                >
+                  신청완료
+                </Button>
+                <Button color="red" type="button" onClick={handleDelClick} disabled={isSubmitting}>
+                  삭제
+                </Button>
+              </>
+            )}
+          </div>
+        </div>
+      </form>
+    </FormProvider>
+  );
+}
+
+export { DesignFormPage };
diff --git a/apps/as/src/pages/design-cnstn/ui/design-list-page.tsx b/apps/as/src/pages/design-cnstn/ui/design-list-page.tsx
new file mode 100644
index 000000000..9928a83b1
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/design-list-page.tsx
@@ -0,0 +1,152 @@
+"use client";
+
+import { useState } from "react";
+
+import type { PaginationState } from "@tanstack/react-table";
+
+import {
+  type CmCdAdstDstrComboResponseDto,
+  useFindGugunCombo,
+  useFindSidoCombo,
+} from "@/entities/adstdstr";
+import { CodeSelect } from "@/entities/code";
+import type { DesignCnstnMngSearchDto } from "@/entities/design-cnstn";
+import {
+  Button,
+  Input,
+  Label,
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@common/components";
+
+import { DesignList } from "./design-list";
+
+const DEFAULT_PAGE_INDEX = 0;
+const DEFAULT_PAGE_SIZE = 10;
+const DEFAULT_SORT = "designCnstnDocNo,desc";
+const EMPTY_ADST_LIST: CmCdAdstDstrComboResponseDto[] = [];
+
+const DEFAULT_SEARCH_PARAMS: DesignCnstnMngSearchDto = {
+  bizNm: "",
+  taskSeComCd: "",
+  admdstCd: "",
+  page: DEFAULT_PAGE_INDEX,
+  size: DEFAULT_PAGE_SIZE,
+  sort: DEFAULT_SORT,
+};
+
+const ALL_SELECT_VALUE = "__ALL__";
+
+function DesignListPage() {
+  const [bizNm, setBizNm] = useState("");
+  const [taskSeComCd, setTaskSeComCd] = useState("");
+  const [sidoComCd, setSidoComCd] = useState("");
+  const [sggComCd, setSggComCd] = useState("");
+  const [pagination, setPagination] = useState<PaginationState>({
+    pageIndex: DEFAULT_PAGE_INDEX,
+    pageSize: DEFAULT_PAGE_SIZE,
+  });
+  const [searchParams, setSearchParams] = useState<DesignCnstnMngSearchDto>(DEFAULT_SEARCH_PARAMS);
+
+  const { data: sidoData } = useFindSidoCombo();
+  const { data: gugunData } = useFindGugunCombo(sidoComCd);
+  const sidoOptions = sidoData ?? EMPTY_ADST_LIST;
+  const gugunOptions = gugunData ?? EMPTY_ADST_LIST;
+
+  const handleSearch = (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+    setPagination((prev) => ({ ...prev, pageIndex: DEFAULT_PAGE_INDEX }));
+    setSearchParams({
+      ...DEFAULT_SEARCH_PARAMS,
+      bizNm,
+      taskSeComCd,
+      admdstCd: sggComCd || sidoComCd || "",
+      page: DEFAULT_PAGE_INDEX,
+      size: pagination.pageSize,
+    });
+  };
+
+  return (
+    <div className="space-y-4 px-[1.8rem] pb-6">
+      <section className="card card-border mx-0 bg-background">
+        <form className="flex flex-wrap items-center gap-4 p-2" onSubmit={handleSearch}>
+          <div className="flex items-center gap-2">
+            <Label htmlFor="sidoComCd" className="whitespace-nowrap">
+              시도
+            </Label>
+            <Select
+              value={sidoComCd}
+              onValueChange={(value) => {
+                setSidoComCd(value === ALL_SELECT_VALUE ? "" : value);
+                setSggComCd("");
+              }}
+            >
+              <SelectTrigger id="sidoComCd" className="w-[12rem]">
+                <SelectValue placeholder="전체" />
+              </SelectTrigger>
+              <SelectContent>
+                <SelectItem value={ALL_SELECT_VALUE}>전체</SelectItem>
+                {sidoOptions.map((option) => (
+                  <SelectItem key={option.adstDstrCd} value={option.adstDstrCd}>
+                    {option.adstDstrNm}
+                  </SelectItem>
+                ))}
+              </SelectContent>
+            </Select>
+          </div>
+          <div className="flex items-center gap-2">
+            <Label htmlFor="sggComCd" className="whitespace-nowrap">
+              시군구
+            </Label>
+            <Select
+              value={sggComCd}
+              onValueChange={(value) => setSggComCd(value === ALL_SELECT_VALUE ? "" : value)}
+              disabled={!sidoComCd}
+            >
+              <SelectTrigger id="sggComCd" className="w-[12rem]">
+                <SelectValue placeholder="전체" />
+              </SelectTrigger>
+              <SelectContent>
+                <SelectItem value={ALL_SELECT_VALUE}>전체</SelectItem>
+                {gugunOptions.map((option) => (
+                  <SelectItem key={option.adstDstrCd} value={option.adstDstrCd}>
+                    {option.adstDstrNm}
+                  </SelectItem>
+                ))}
+              </SelectContent>
+            </Select>
+          </div>
+          <div className="flex items-center gap-2">
+            <Label htmlFor="taskSeComCd" className="whitespace-nowrap">
+              구분
+            </Label>
+            <CodeSelect upCd="CNFM" value={taskSeComCd} onValueChange={setTaskSeComCd} />
+          </div>
+          <div className="flex w-[24rem] items-center gap-2">
+            <Label htmlFor="bizNm" className="whitespace-nowrap">
+              사업명
+            </Label>
+            <Input
+              id="bizNm"
+              value={bizNm}
+              onChange={(event) => setBizNm(event.target.value)}
+              placeholder="사업명"
+            />
+          </div>
+          <Button type="submit">조회</Button>
+        </form>
+      </section>
+
+      <DesignList
+        searchParams={searchParams}
+        pagination={pagination}
+        onPaginationChange={setPagination}
+      />
+    </div>
+  );
+}
+
+export { DesignListPage };
diff --git a/apps/as/src/pages/design-cnstn/ui/design-list.tsx b/apps/as/src/pages/design-cnstn/ui/design-list.tsx
new file mode 100644
index 000000000..8a0986379
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/design-list.tsx
@@ -0,0 +1,101 @@
+"use client";
+
+import { useMemo, useState } from "react";
+import { useRouter } from "next/navigation";
+
+import { getCoreRowModel, type PaginationState } from "@tanstack/react-table";
+
+import { useDataTable, useUserStore } from "@/shared/lib";
+import {
+  type DesignCnstnMngResponseDto,
+  type DesignCnstnMngSearchDto,
+  useDesignCnstnMngPage,
+} from "@/entities/design-cnstn";
+import { TaskSePickerDialog } from "@/widgets/pbadms-sprt";
+import { Button } from "@common/components";
+
+import { formatTaskSeComCdForApi } from "../lib/design-cnstn-regist-schema";
+import { createDesignCnstnColumns } from "../model/columns";
+
+interface DesignListProps {
+  searchParams: DesignCnstnMngSearchDto;
+  pagination: PaginationState;
+  onPaginationChange: (pagination: PaginationState) => void;
+}
+
+function DesignList({ searchParams, pagination, onPaginationChange }: DesignListProps) {
+  const userInfo = useUserStore((state) => state.userInfo);
+  const router = useRouter();
+  const [isTaskSeDialogOpen, setIsTaskSeDialogOpen] = useState(false);
+
+  const queryParams = useMemo(
+    () => ({
+      bizNm: searchParams.bizNm,
+      taskSeComCd: searchParams.taskSeComCd,
+      admdstCd: searchParams.admdstCd,
+      page: pagination.pageIndex,
+      size: pagination.pageSize,
+      sort: searchParams.sort ?? "designCnstnDocNo,desc",
+    }),
+    [searchParams, pagination],
+  );
+
+  const pageQuery = useDesignCnstnMngPage(queryParams);
+  const columns = useMemo(() => createDesignCnstnColumns(), []);
+
+  const handleRowClick = (row: DesignCnstnMngResponseDto) => {
+    const canEdit = row.prgrsSttsComCd === "CV" && row.rgtr === userInfo?.userUnqId;
+
+    router.push(
+      canEdit
+        ? `/design-cnstn/${row.designCnstnDocNo}/edit`
+        : `/design-cnstn/${row.designCnstnDocNo}`,
+    );
+  };
+
+  const { tableComponent } = useDataTable({
+    query: pageQuery,
+    tableOptions: {
+      columns,
+      state: { pagination },
+      onPaginationChange: (updater) => {
+        const next = typeof updater === "function" ? updater(pagination) : updater;
+        onPaginationChange(next);
+      },
+      getCoreRowModel: getCoreRowModel(),
+      manualPagination: true,
+    },
+    dataTableOptions: {
+      viewPagination: true,
+      onRowClick: handleRowClick,
+    },
+  });
+
+  const handleConfirmTaskSe = (selectedCodes: string[]) => {
+    setIsTaskSeDialogOpen(false);
+    router.push(`/design-cnstn/regist?taskSeComCd=${formatTaskSeComCdForApi(selectedCodes)}`);
+  };
+
+  return (
+    <>
+      <section className="card card-border mx-0 bg-background pb-8 pt-0">
+        <div className="card-header flex items-center justify-between">
+          <h3 className="text-2xl font-semibold">설계자문 목록</h3>
+          <Button type="button" color="green" onClick={() => setIsTaskSeDialogOpen(true)}>
+            신청
+          </Button>
+        </div>
+        {tableComponent}
+      </section>
+      <TaskSePickerDialog
+        open={isTaskSeDialogOpen}
+        onOpenChange={setIsTaskSeDialogOpen}
+        onConfirm={handleConfirmTaskSe}
+        title="설계자문 신청"
+        codeUpCd="CNFM"
+      />
+    </>
+  );
+}
+
+export { DesignList };
diff --git a/apps/as/src/pages/design-cnstn/ui/design-regist-page.tsx b/apps/as/src/pages/design-cnstn/ui/design-regist-page.tsx
new file mode 100644
index 000000000..fa8130898
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/design-regist-page.tsx
@@ -0,0 +1,11 @@
+import { DesignFormPage } from "./design-form-page";
+
+interface DesignRegistPageProps {
+  taskSeComCd?: string[];
+}
+
+function DesignRegistPage({ taskSeComCd }: DesignRegistPageProps) {
+  return <DesignFormPage mode="create" taskSeComCd={taskSeComCd} />;
+}
+
+export { DesignRegistPage };
diff --git a/apps/as/src/pages/design-cnstn/ui/design-view-page.tsx b/apps/as/src/pages/design-cnstn/ui/design-view-page.tsx
new file mode 100644
index 000000000..aefd42317
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/design-view-page.tsx
@@ -0,0 +1,110 @@
+"use client";
+
+import { useMemo, useRef } from "react";
+
+import { useUserStore } from "@/shared/lib";
+import { useDesignCnstnMng } from "@/entities/design-cnstn";
+import { ElaprDocPrgrsStatus } from "@/entities/elapr";
+import { useRvwMnpwMngLoginUserList } from "@/entities/rvw-mnpw";
+import { SectionCollapsible } from "@/widgets/pbadms-sprt";
+import { Skeleton } from "@common/components";
+
+import { needsRoleUser01AtrzResolve } from "../lib/button-config";
+import { getEditableReviewStep } from "../lib/review-step-utils";
+
+import { FloatingActionButtons } from "./components/floating-action-buttons";
+import { AttachmentsSection } from "./sections/attachments-section";
+import { BasicInfoSection } from "./sections/basic-info-section";
+import { BusinessScaleSection } from "./sections/business-scale-section";
+import { ContactInfoSection } from "./sections/contact-info-section";
+import {
+  TechReviewOpinionSection,
+  type TechReviewOpinionSectionHandle,
+} from "./sections/tech-review-opinion-section";
+
+interface DesignViewPageProps {
+  id: string;
+}
+
+function DesignViewPage({ id }: DesignViewPageProps) {
+  const userInfo = useUserStore((state) => state.userInfo);
+  const techReviewOpinionRef = useRef<TechReviewOpinionSectionHandle>(null);
+  const { data, isLoading, isError } = useDesignCnstnMng(id);
+
+  const prgrsSttsComCd = data?.detDto?.prgrsSttsComCd || "";
+  const needsAtrzResolve = needsRoleUser01AtrzResolve(userInfo?.dtlInstCd, prgrsSttsComCd);
+  const { data: rvwLoginUserData, isLoading: isRvwLoginUserLoading } = useRvwMnpwMngLoginUserList(
+    {},
+    { enabled: needsAtrzResolve },
+  );
+  const atrzSeComCdList = useMemo(
+    () => rvwLoginUserData?.content?.map((item) => item.atrzSeComCd) ?? [],
+    [rvwLoginUserData],
+  );
+
+  if (isLoading) {
+    return (
+      <div className="mt-6 flex flex-col gap-4 px-6">
+        <div className="flex flex-col gap-2">
+          <Skeleton className="h-[4rem] rounded-xl" />
+          <Skeleton className="h-[16rem] rounded-xl" />
+        </div>
+        <div className="flex flex-col gap-2">
+          <Skeleton className="h-[4rem] rounded-xl" />
+          <Skeleton className="h-[16rem] rounded-xl" />
+        </div>
+        <div className="flex flex-col gap-2">
+          <Skeleton className="h-[4rem] rounded-xl" />
+          <Skeleton className="h-[32rem] rounded-xl" />
+        </div>
+      </div>
+    );
+  }
+
+  if (isError || !data?.detDto) {
+    return <div className="mt-6 text-[1.4rem]">상세 정보를 찾을 수 없습니다.</div>;
+  }
+
+  const detDto = data.detDto;
+  const bizSclList = data.bizSclList ?? [];
+  const esntlFileList = data.esntlFileList ?? [];
+  const etcFileList = data.etcFileList ?? [];
+  const rvwList = data.rvwList ?? [];
+
+  const editableReviewStep = getEditableReviewStep(
+    userInfo?.dtlInstCd,
+    detDto.prgrsSttsComCd || "",
+  );
+
+  return (
+    <div className="mt-6 space-y-4">
+      <BasicInfoSection det={detDto} />
+      <ContactInfoSection det={detDto} />
+      <SectionCollapsible title="결재현황">
+        <ElaprDocPrgrsStatus elaprDocNo={detDto.designCnstnDocNo} />
+      </SectionCollapsible>
+      <BusinessScaleSection bizSclList={bizSclList} />
+      <AttachmentsSection esntlFileList={esntlFileList} etcFileList={etcFileList} />
+      <TechReviewOpinionSection
+        ref={techReviewOpinionRef}
+        rvwList={rvwList}
+        editableReviewStep={editableReviewStep}
+        atrzSeComCdList={atrzSeComCdList}
+        isAtrzLoading={needsAtrzResolve && isRvwLoginUserLoading}
+      />
+      <FloatingActionButtons
+        data={data}
+        docSeComCd="CNFM"
+        designCnstnDocNo={detDto.designCnstnDocNo}
+        prgrsSttsComCd={detDto.prgrsSttsComCd || ""}
+        dtlInstCd={userInfo?.dtlInstCd}
+        atrzSeComCdList={atrzSeComCdList}
+        isRvwLoginUserLoading={needsAtrzResolve && isRvwLoginUserLoading}
+        techReviewOpinionRef={techReviewOpinionRef}
+        opnrNm={userInfo?.userName}
+      />
+    </div>
+  );
+}
+
+export { DesignViewPage };
diff --git a/apps/as/src/pages/design-cnstn/ui/sections/attachments-section.tsx b/apps/as/src/pages/design-cnstn/ui/sections/attachments-section.tsx
new file mode 100644
index 000000000..082881231
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/sections/attachments-section.tsx
@@ -0,0 +1,112 @@
+"use client";
+
+import { formatFileSize } from "@/shared/lib/file-utils";
+import { useDownloadAttachmentByAtflCd } from "@/entities/attach";
+import type {
+  AtflMngClientResponseDto,
+  EsntlAtchFileMngTreeResponseDto,
+} from "@/entities/design-cnstn";
+import { SectionCollapsible } from "@/widgets/pbadms-sprt";
+import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@common/components";
+
+interface AttachmentsSectionProps {
+  esntlFileList: EsntlAtchFileMngTreeResponseDto[];
+  etcFileList: AtflMngClientResponseDto[];
+}
+
+function AttachmentsSection({ esntlFileList, etcFileList }: AttachmentsSectionProps) {
+  const { mutate: downloadAttachment } = useDownloadAttachmentByAtflCd();
+
+  return (
+    <>
+      {esntlFileList.length > 0 && (
+        <SectionCollapsible title="필수 첨부파일">
+          <div className="overflow-x-auto">
+            <Table variant="secondary">
+              <TableHeader>
+                <TableRow>
+                  <TableHead>필수 자료명</TableHead>
+                  <TableHead>파일명</TableHead>
+                  <TableHead className="w-[8rem] text-right">크기</TableHead>
+                </TableRow>
+              </TableHeader>
+              <TableBody>
+                {esntlFileList.map((file) => (
+                  <TableRow key={file.esntlAtchFileId}>
+                    <TableCell className="pl-2 text-left">
+                      {file.esntlAtchFileNm}
+                      {file.esntlAtchYn === "Y" ? (
+                        <span className="ml-1 text-red-500">*</span>
+                      ) : null}
+                    </TableCell>
+                    <TableCell className="text-left">
+                      {file.atflCd ? (
+                        <a
+                          className="cursor-pointer text-blue-600 hover:underline"
+                          onClick={() => downloadAttachment(file.atflCd ?? "")}
+                          target="_blank"
+                          rel="noreferrer"
+                        >
+                          {file.orgnlFileNm || "다운로드"}
+                        </a>
+                      ) : (
+                        <span className="text-gray-500">첨부없음</span>
+                      )}
+                    </TableCell>
+                    <TableCell className="text-right">{formatFileSize(file.atflFlieSz)}</TableCell>
+                  </TableRow>
+                ))}
+              </TableBody>
+            </Table>
+          </div>
+        </SectionCollapsible>
+      )}
+
+      <SectionCollapsible title="기타 첨부파일">
+        <div className="overflow-x-auto">
+          <Table variant="secondary">
+            <TableHeader>
+              <TableRow>
+                <TableHead>파일명</TableHead>
+                <TableHead className="w-[8rem] text-right">크기</TableHead>
+              </TableRow>
+            </TableHeader>
+            <TableBody>
+              {etcFileList.length === 0 ? (
+                <TableRow>
+                  <TableCell colSpan={2} className="py-12 text-center text-muted-foreground">
+                    등록된 기타첨부파일이 없습니다.
+                  </TableCell>
+                </TableRow>
+              ) : (
+                etcFileList.map((file) => (
+                  <TableRow key={file.atflId}>
+                    <TableCell className="text-left">
+                      {file.atflCd ? (
+                        <a
+                          className="cursor-pointer text-blue-600 hover:underline"
+                          onClick={() => downloadAttachment(file.atflCd)}
+                          target="_blank"
+                          rel="noreferrer"
+                        >
+                          {file.orgnlFileNm || file.physFileNm || file.atflId}
+                        </a>
+                      ) : (
+                        <span>{file.orgnlFileNm || file.physFileNm || file.atflId}</span>
+                      )}
+                    </TableCell>
+                    <TableCell className="text-right text-gray-500">
+                      {formatFileSize(file.atflFlieSz)}
+                    </TableCell>
+                  </TableRow>
+                ))
+              )}
+            </TableBody>
+          </Table>
+        </div>
+      </SectionCollapsible>
+    </>
+  );
+}
+
+export { AttachmentsSection };
diff --git a/apps/as/src/pages/design-cnstn/ui/sections/basic-info-form-section.tsx b/apps/as/src/pages/design-cnstn/ui/sections/basic-info-form-section.tsx
new file mode 100644
index 000000000..124370ddc
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/sections/basic-info-form-section.tsx
@@ -0,0 +1,159 @@
+"use client";
+
+import { useState } from "react";
+import { Controller, useFormContext } from "react-hook-form";
+
+import { useUserStore } from "@/shared/lib";
+import { Field, FieldError, FieldGroup } from "@/shared/ui/field";
+import { findCodeLabel, useCodeList } from "@/entities/code";
+import { type BnsApplyData, BnsPickerDialog } from "@/widgets/bns-picker";
+import { SectionCollapsible } from "@/widgets/pbadms-sprt";
+import {
+  Button,
+  Input,
+  Table,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+} from "@common/components";
+
+import type { DesignCnstnRegistFormData } from "../../lib/design-cnstn-regist-schema";
+
+function BasicInfoFormSection() {
+  const userInfo = useUserStore((state) => state.userInfo);
+  const { control, watch, setValue } = useFormContext<DesignCnstnRegistFormData>();
+  const [isPickerOpen, setIsPickerOpen] = useState(false);
+  const taskSeComCd = watch("designCnstnMng.taskSeComCd");
+  const { data: taskOptions } = useCodeList("CNFM");
+
+  function handleBnsSelect(data: BnsApplyData) {
+    setValue("designCnstnMng.bizNm", data.bizNm);
+    setValue("designCnstnMng.bizBgngYr", data.bizBgngYr);
+    setValue("designCnstnMng.bizEndYr", data.bizEndYr);
+    setValue("designCnstnMng.bizCn", data.bizCn);
+  }
+
+  const taskSeComCdLabel =
+    taskSeComCd
+      .map((code) => findCodeLabel(taskOptions, code))
+      .filter(Boolean)
+      .join(", ") || "-";
+
+  return (
+    <SectionCollapsible title="기본 정보">
+      <Table variant="secondary">
+        <colgroup>
+          <col width="15%" />
+          <col width="35%" />
+          <col width="15%" />
+          <col width="35%" />
+        </colgroup>
+        <TableHeader>
+          <TableRow>
+            <TableHead className="w-[20rem]" data-required>
+              사업명
+            </TableHead>
+            <TableCell colSpan={3}>
+              <Controller
+                name="designCnstnMng.bizNm"
+                control={control}
+                render={({ field, fieldState }) => (
+                  <Field data-invalid={fieldState.invalid}>
+                    <div className="flex gap-2">
+                      <Input
+                        {...field}
+                        id={field.name}
+                        placeholder="사업명 입력"
+                        aria-invalid={fieldState.invalid}
+                        className="w-[40rem]"
+                      />
+                      <Button type="button" onClick={() => setIsPickerOpen(true)}>
+                        사업찾기
+                      </Button>
+                    </div>
+                    <FieldError errors={[fieldState.error]} />
+                  </Field>
+                )}
+              />
+            </TableCell>
+          </TableRow>
+          <TableRow>
+            <TableHead data-required>사업기간</TableHead>
+            <TableCell colSpan={3}>
+              <FieldGroup className="flex-row items-center gap-2">
+                <Controller
+                  name="designCnstnMng.bizBgngYr"
+                  control={control}
+                  render={({ field, fieldState }) => (
+                    <Field data-invalid={fieldState.invalid} className="w-auto">
+                      <Input
+                        {...field}
+                        id={field.name}
+                        placeholder="시작연도"
+                        className="max-w-[12rem]"
+                        aria-invalid={fieldState.invalid}
+                      />
+                      <FieldError errors={[fieldState.error]} />
+                    </Field>
+                  )}
+                />
+                <span>~</span>
+                <Controller
+                  name="designCnstnMng.bizEndYr"
+                  control={control}
+                  render={({ field, fieldState }) => (
+                    <Field data-invalid={fieldState.invalid} className="w-auto">
+                      <Input
+                        {...field}
+                        id={field.name}
+                        placeholder="종료연도"
+                        className="max-w-[12rem]"
+                        aria-invalid={fieldState.invalid}
+                      />
+                      <FieldError errors={[fieldState.error]} />
+                    </Field>
+                  )}
+                />
+              </FieldGroup>
+            </TableCell>
+          </TableRow>
+          <TableRow>
+            <TableHead data-required>사업내용</TableHead>
+            <TableCell colSpan={3}>
+              <Controller
+                name="designCnstnMng.bizCn"
+                control={control}
+                render={({ field, fieldState }) => (
+                  <Field data-invalid={fieldState.invalid}>
+                    <Input
+                      {...field}
+                      id={field.name}
+                      placeholder="사업내용 입력"
+                      aria-invalid={fieldState.invalid}
+                    />
+                    <FieldError errors={[fieldState.error]} />
+                  </Field>
+                )}
+              />
+            </TableCell>
+          </TableRow>
+          <TableRow>
+            <TableHead data-required>구분</TableHead>
+            <TableCell>{taskSeComCdLabel}</TableCell>
+            <TableHead>신청 지자체</TableHead>
+            <TableCell>{userInfo?.instSeNm}</TableCell>
+          </TableRow>
+        </TableHeader>
+      </Table>
+
+      <BnsPickerDialog
+        open={isPickerOpen}
+        onClose={() => setIsPickerOpen(false)}
+        onSelect={handleBnsSelect}
+      />
+    </SectionCollapsible>
+  );
+}
+
+export { BasicInfoFormSection };
diff --git a/apps/as/src/pages/design-cnstn/ui/sections/basic-info-section.tsx b/apps/as/src/pages/design-cnstn/ui/sections/basic-info-section.tsx
new file mode 100644
index 000000000..c5db62a50
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/sections/basic-info-section.tsx
@@ -0,0 +1,50 @@
+"use client";
+
+import type { DesignCnstnMngResponseDto } from "@/entities/design-cnstn";
+import { SectionCollapsible } from "@/widgets/pbadms-sprt";
+import { Table, TableCell, TableHead, TableHeader, TableRow } from "@common/components";
+
+interface BasicInfoSectionProps {
+  det: DesignCnstnMngResponseDto;
+}
+
+function BasicInfoSection({ det }: BasicInfoSectionProps) {
+  return (
+    <SectionCollapsible title="기본 정보">
+      <Table variant="secondary">
+        <colgroup>
+          <col width="15%" />
+          <col width="35%" />
+          <col width="15%" />
+          <col width="35%" />
+        </colgroup>
+        <TableHeader>
+          <TableRow>
+            <TableHead>사업명</TableHead>
+            <TableCell>{det.bizNm || "-"}</TableCell>
+            <TableHead>사업기간</TableHead>
+            <TableCell>{(det.bizBgngYr || "-") + " ~ " + (det.bizEndYr || "-")}</TableCell>
+          </TableRow>
+          <TableRow>
+            <TableHead>사업내용</TableHead>
+            <TableCell colSpan={3}>{det.bizCn || "-"}</TableCell>
+          </TableRow>
+          <TableRow>
+            <TableHead>환경청구분</TableHead>
+            <TableCell>{det.envoSeCdNm || "-"}</TableCell>
+            <TableHead>구분</TableHead>
+            <TableCell>{det.taskSeCdNm || "-"}</TableCell>
+          </TableRow>
+          <TableRow>
+            <TableHead>신청지자체</TableHead>
+            <TableCell colSpan={3}>
+              {det.sido || "-"} {det.gugun || "-"}
+            </TableCell>
+          </TableRow>
+        </TableHeader>
+      </Table>
+    </SectionCollapsible>
+  );
+}
+
+export { BasicInfoSection };
diff --git a/apps/as/src/pages/design-cnstn/ui/sections/business-scale-section.tsx b/apps/as/src/pages/design-cnstn/ui/sections/business-scale-section.tsx
new file mode 100644
index 000000000..c18e6cf3e
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/sections/business-scale-section.tsx
@@ -0,0 +1,70 @@
+"use client";
+
+import type { BizSclTreeDto } from "@/entities/design-cnstn";
+import { fmtNumber, indentPx, SectionCollapsible } from "@/widgets/pbadms-sprt";
+import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@common/components";
+
+interface BusinessScaleSectionProps {
+  bizSclList: BizSclTreeDto[];
+}
+
+function BusinessScaleSection({ bizSclList }: BusinessScaleSectionProps) {
+  return (
+    <SectionCollapsible title="사업규모">
+      <div className="overflow-x-auto">
+        <Table variant="secondary">
+          <TableHeader>
+            <TableRow>
+              <TableHead className="w-[30rem]">구분</TableHead>
+              <TableHead>기본계획(A)</TableHead>
+              <TableHead>예산반영(B)</TableHead>
+              <TableHead>금회설계시(C)</TableHead>
+              <TableHead>증감(C-B)</TableHead>
+            </TableRow>
+          </TableHeader>
+          <TableBody>
+            {bizSclList.length === 0 ? (
+              <TableRow>
+                <TableCell colSpan={5} className="py-12 text-center text-muted-foreground">
+                  조회된 사업규모 항목이 없습니다.
+                </TableCell>
+              </TableRow>
+            ) : (
+              bizSclList.map((node) => {
+                const pl = indentPx(node.indCnstpSeCdNm);
+                const bscPlanQty = Number(node.bscPlanQty) || 0;
+                const budgetReflct = Number(node.bgtRfltQty) || 0;
+                const tstmDesignQty = Number(node.tstmDesignQty) || 0;
+                const diff = tstmDesignQty - budgetReflct;
+
+                return (
+                  <TableRow key={node.cnstpSeCd}>
+                    <TableHead className="text-left" style={{ paddingLeft: `${pl + 8}px` }}>
+                      {node.cnstpSeCdNm}
+                    </TableHead>
+                    <TableCell>
+                      <div className="text-right">{fmtNumber(bscPlanQty)}</div>
+                    </TableCell>
+                    <TableCell>
+                      <div className="text-right">{fmtNumber(budgetReflct)}</div>
+                    </TableCell>
+                    <TableCell>
+                      <div className="text-right">{fmtNumber(tstmDesignQty)}</div>
+                    </TableCell>
+                    <TableCell>
+                      <div className="text-right">
+                        {diff > 0 ? `+${fmtNumber(diff)}` : fmtNumber(diff)}
+                      </div>
+                    </TableCell>
+                  </TableRow>
+                );
+              })
+            )}
+          </TableBody>
+        </Table>
+      </div>
+    </SectionCollapsible>
+  );
+}
+
+export { BusinessScaleSection };
diff --git a/apps/as/src/pages/design-cnstn/ui/sections/contact-info-section.tsx b/apps/as/src/pages/design-cnstn/ui/sections/contact-info-section.tsx
new file mode 100644
index 000000000..ae495450e
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/sections/contact-info-section.tsx
@@ -0,0 +1,56 @@
+"use client";
+
+import type { DesignCnstnMngResponseDto } from "@/entities/design-cnstn";
+import { SectionCollapsible } from "@/widgets/pbadms-sprt";
+import { Table, TableCell, TableHead, TableHeader, TableRow } from "@common/components";
+
+interface ContactInfoSectionProps {
+  det: DesignCnstnMngResponseDto;
+}
+
+function ContactInfoSection({ det }: ContactInfoSectionProps) {
+  return (
+    <SectionCollapsible title="담당자 정보">
+      <Table variant="secondary">
+        <TableHeader>
+          {det.aplcntNm && (
+            <>
+              <TableRow>
+                <TableHead rowSpan={2}>신청자</TableHead>
+                <TableHead>이름</TableHead>
+                <TableCell>{det.aplcntNm || "-"}</TableCell>
+                <TableHead>연락처</TableHead>
+                <TableCell>{det.aplcntMblTelno || "-"}</TableCell>
+              </TableRow>
+              <TableRow>
+                <TableHead>소속</TableHead>
+                <TableCell>{det.aplcntOgdpNm || "-"}</TableCell>
+                <TableHead>이메일</TableHead>
+                <TableCell>{det.aplcntEmlAddr || "-"}</TableCell>
+              </TableRow>
+            </>
+          )}
+          {det.dsgnrNm && (
+            <>
+              <TableRow>
+                <TableHead rowSpan={2}>설계자</TableHead>
+                <TableHead>이름</TableHead>
+                <TableCell>{det.dsgnrNm || "-"}</TableCell>
+                <TableHead>연락처</TableHead>
+                <TableCell>{det.dsgnrTelno || "-"}</TableCell>
+              </TableRow>
+              <TableRow>
+                <TableHead>소속</TableHead>
+                <TableCell>{det.dsgnrOgdpNm || "-"}</TableCell>
+                <TableHead>이메일</TableHead>
+                <TableCell>{det.dsgnrEmlAddr || "-"}</TableCell>
+              </TableRow>
+            </>
+          )}
+        </TableHeader>
+      </Table>
+    </SectionCollapsible>
+  );
+}
+
+export { ContactInfoSection };
diff --git a/apps/as/src/pages/design-cnstn/ui/sections/tech-review-opinion-section.tsx b/apps/as/src/pages/design-cnstn/ui/sections/tech-review-opinion-section.tsx
new file mode 100644
index 000000000..9c6985ffb
--- /dev/null
+++ b/apps/as/src/pages/design-cnstn/ui/sections/tech-review-opinion-section.tsx
@@ -0,0 +1,342 @@
+"use client";
+
+import { forwardRef, useEffect, useImperativeHandle, useState } from "react";
+
+import { PROXY_HOST } from "@/shared/config";
+import { dayjs, getDefaultFileKey, useTus } from "@/shared/lib";
+import { Field, FieldLabel, FieldSet } from "@/shared/ui/field";
+import { attachService } from "@/entities/attach";
+import type { DesignCnstnRvwOpnnResponseDto } from "@/entities/design-cnstn";
+import { SectionCollapsible } from "@/widgets/pbadms-sprt";
+import {
+  Button,
+  RadioGroup,
+  RadioGroupItem,
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+  Textarea,
+} from "@common/components";
+
+import type {
+  ReviewOpinionFormData,
+  ReviewOpinionGetFormDataResult,
+} from "../../lib/review-opinion-utils";
+import type { ReviewStepCode } from "../../model/view-types";
+import { REVIEW_STEP_LABELS } from "../../model/view-types";
+
+const RVW_OPNN_FILE_KEY_PREFIX = "rvw-opnn::";
+
+interface TechReviewOpinionSectionProps {
+  rvwList: DesignCnstnRvwOpnnResponseDto[];
+  editableReviewStep?: ReviewStepCode;
+  atrzSeComCdList?: string[];
+  isAtrzLoading?: boolean;
+}
+
+export interface TechReviewOpinionSectionHandle {
+  getFormData: () => ReviewOpinionGetFormDataResult | null;
+  resetForm: () => void;
+}
+
+interface TechReviewOpinionTableProps {
+  items: DesignCnstnRvwOpnnResponseDto[];
+}
+
+interface UploadedOpinionFile {
+  fileName: string;
+  fileKey: string;
+  atflId?: string;
+  atflCd?: string;
+}
+
+const EMPTY_FORM_DATA: ReviewOpinionFormData = {
+  rvwRsltCn: "",
+  rvwRsltAnmlyYn: "",
+  atchFileGroupId: "",
+  opnrSeComCd: "",
+};
+
+function createRvwOpnnUploadKey(file: File) {
+  return `${RVW_OPNN_FILE_KEY_PREFIX}${getDefaultFileKey(file)}`;
+}
+
+function hasFormContent(formData: ReviewOpinionFormData) {
+  return Boolean(formData.rvwRsltCn.trim() || formData.rvwRsltAnmlyYn || formData.atchFileGroupId);
+}
+
+const TechReviewOpinionSection = forwardRef<
+  TechReviewOpinionSectionHandle,
+  TechReviewOpinionSectionProps
+>(function TechReviewOpinionSection({
+  rvwList,
+  editableReviewStep,
+  atrzSeComCdList = [],
+  isAtrzLoading = false,
+}, ref) {
+  const canWriteOpinion = !isAtrzLoading && atrzSeComCdList.includes("ATRZ02");
+  const [formData, setFormData] = useState<ReviewOpinionFormData>({
+    ...EMPTY_FORM_DATA,
+    opnrSeComCd: editableReviewStep ?? "",
+  });
+  const [uploadedFile, setUploadedFile] = useState<UploadedOpinionFile | null>(null);
+
+  useEffect(() => {
+    setFormData((prev) => ({
+      ...prev,
+      opnrSeComCd: editableReviewStep ?? "",
+    }));
+  }, [editableReviewStep]);
+
+  const { uploadFileAsync, isUploading, uploads } = useTus({
+    onSuccess: (atflCd, atflId, _file, fileKey) => {
+      if (!atflCd || !atflId) return;
+
+      setFormData((prev) => ({ ...prev, atchFileGroupId: atflCd }));
+      setUploadedFile((prev) => (prev?.fileKey === fileKey ? { ...prev, atflCd, atflId } : prev));
+    },
+    onError: (_error, _file, fileKey) => {
+      setUploadedFile((prev) => (prev?.fileKey === fileKey ? null : prev));
+    },
+  });
+
+  useImperativeHandle(
+    ref,
+    () => ({
+      getFormData: () => {
+        if (!canWriteOpinion || !editableReviewStep || !hasFormContent(formData)) {
+          return null;
+        }
+
+        return {
+          formData: {
+            ...formData,
+            opnrSeComCd: editableReviewStep,
+          },
+          rvwList,
+        };
+      },
+      resetForm: () => {
+        setFormData({
+          ...EMPTY_FORM_DATA,
+          opnrSeComCd: editableReviewStep ?? "",
+        });
+        setUploadedFile(null);
+      },
+    }),
+    [canWriteOpinion, editableReviewStep, formData, rvwList],
+  );
+
+  const kecoRvwList = rvwList.filter((item) => item.opnrSeComCd === "KECO");
+  const hasKecoSection =
+    kecoRvwList.length > 0 || (editableReviewStep === "KECO" && canWriteOpinion);
+
+  if (!hasKecoSection) {
+    return null;
+  }
+
+  async function handleFileUpload(files: FileList | null) {
+    if (!files || files.length === 0) return;
+
+    const file = files[0];
+    const fileKey = createRvwOpnnUploadKey(file);
+    const existingAtflCd = formData.atchFileGroupId;
+
+    setUploadedFile({ fileName: file.name, fileKey });
+
+    try {
+      await uploadFileAsync(file, {
+        fileKey,
+        metadata: existingAtflCd ? { atflCd: existingAtflCd } : undefined,
+      });
+    } catch {
+      // onError callback handles cleanup
+    }
+  }
+
+  async function handleFileRemove() {
+    if (!uploadedFile) return;
+
+    uploads[uploadedFile.fileKey]?.abort();
+
+    if (uploadedFile.atflId) {
+      try {
+        await attachService.deleteAttachmentByAtflId(uploadedFile.atflId);
+      } catch (error) {
+        console.error("검토의견 첨부파일 삭제 실패:", error);
+      }
+    }
+
+    setUploadedFile(null);
+    setFormData((prev) => ({ ...prev, atchFileGroupId: "" }));
+  }
+
+  function renderOpinionForm(reviewStep: ReviewStepCode) {
+    if (editableReviewStep !== reviewStep || !canWriteOpinion) return null;
+
+    const uploading = uploadedFile ? (isUploading[uploadedFile.fileKey] ?? false) : false;
+
+    return (
+      <div className="space-y-2">
+        <h4 className="text-xl font-semibold">검토의견 작성</h4>
+        <Table variant="secondary">
+          <TableHeader>
+            <TableRow>
+              <TableHead className="w-[12rem]">의견내용</TableHead>
+              <TableCell>
+                <Textarea
+                  value={formData.rvwRsltCn}
+                  onChange={(event) =>
+                    setFormData((prev) => ({ ...prev, rvwRsltCn: event.target.value }))
+                  }
+                  placeholder="의견내용을 입력하세요"
+                  rows={4}
+                  className="min-h-[8rem] !text-xl"
+                />
+              </TableCell>
+            </TableRow>
+            <TableRow>
+              <TableHead>검토결과</TableHead>
+              <TableCell>
+                <FieldSet>
+                  <RadioGroup
+                    value={formData.rvwRsltAnmlyYn}
+                    onValueChange={(value) =>
+                      setFormData((prev) => ({
+                        ...prev,
+                        rvwRsltAnmlyYn: value as ReviewOpinionFormData["rvwRsltAnmlyYn"],
+                      }))
+                    }
+                  >
+                    <div className="flex flex-wrap gap-4">
+                      <FieldLabel
+                        htmlFor={`rvw-opnn-normal-${reviewStep}`}
+                        className="!w-auto border-none"
+                      >
+                        <Field orientation="horizontal" className="w-auto">
+                          <RadioGroupItem value="N" id={`rvw-opnn-normal-${reviewStep}`} />
+                          <span className="font-normal">정상</span>
+                        </Field>
+                      </FieldLabel>
+                      <FieldLabel
+                        htmlFor={`rvw-opnn-abnormal-${reviewStep}`}
+                        className="!w-auto border-none"
+                      >
+                        <Field orientation="horizontal" className="w-auto">
+                          <RadioGroupItem value="Y" id={`rvw-opnn-abnormal-${reviewStep}`} />
+                          <span className="font-normal">이상</span>
+                        </Field>
+                      </FieldLabel>
+                    </div>
+                  </RadioGroup>
+                </FieldSet>
+              </TableCell>
+            </TableRow>
+            <TableRow>
+              <TableHead>첨부파일</TableHead>
+              <TableCell>
+                {uploadedFile ? (
+                  <div className="flex items-center gap-2">
+                    <span className="text-xl">{uploadedFile.fileName}</span>
+                    <Button
+                      size="icon"
+                      onClick={(e) => {
+                        e.preventDefault();
+                        void handleFileRemove();
+                      }}
+                      disabled={uploading}
+                      className="size-8 !bg-destructive"
+                    >
+                      <i className="diveicon di-x text-xs" aria-label="삭제" />
+                    </Button>
+                  </div>
+                ) : (
+                  <label>
+                    <input
+                      type="file"
+                      className="hidden"
+                      onChange={(event) => {
+                        void handleFileUpload(event.target.files);
+                        event.target.value = "";
+                      }}
+                    />
+                    <Button size="sm" variant="outline" type="button" asChild>
+                      <span>파일 선택</span>
+                    </Button>
+                  </label>
+                )}
+              </TableCell>
+            </TableRow>
+          </TableHeader>
+        </Table>
+      </div>
+    );
+  }
+
+  return (
+    <SectionCollapsible title={`${REVIEW_STEP_LABELS.KECO} 검토의견`}>
+      <div className="space-y-6">
+        {kecoRvwList.length > 0 ? <TechReviewOpinionTable items={kecoRvwList} /> : null}
+        {renderOpinionForm("KECO")}
+      </div>
+    </SectionCollapsible>
+  );
+});
+
+function TechReviewOpinionTable({ items }: TechReviewOpinionTableProps) {
+  return (
+    <div className="overflow-x-auto">
+      <Table variant="secondary">
+        <colgroup>
+          <col width="10%" />
+          <col width="55%" />
+          <col width="5%" />
+          <col width="20%" />
+          <col width="10%" />
+        </colgroup>
+        <TableHeader>
+          <TableRow>
+            <TableHead>의견자명</TableHead>
+            <TableHead>의견내용</TableHead>
+            <TableHead>검토결과</TableHead>
+            <TableHead>첨부파일</TableHead>
+            <TableHead>등록일시</TableHead>
+          </TableRow>
+        </TableHeader>
+        <TableBody>
+          {items.map((item) => (
+            <TableRow key={`${item.designCnstnDocNo}_${item.rvwOpnnSn}`}>
+              <TableCell align="center">{item.opnrNm}</TableCell>
+              <TableCell align="left">{item.rvwRsltCn || "-"}</TableCell>
+              <TableCell align="center">
+                {item.rvwRsltAnmlyYn === "Y" ? "이상" : item.rvwRsltAnmlyYn === "N" ? "정상" : "-"}
+              </TableCell>
+              <TableCell align="center">
+                {item.atchFileInfo?.atflCd ? (
+                  <a
+                    className="text-blue-600 hover:underline"
+                    href={`${PROXY_HOST}/attach-service/api/v1/atflcd/download/${item.atchFileInfo.atflCd}`}
+                    target="_blank"
+                    rel="noreferrer"
+                  >
+                    {item.atchFileInfo.orgnlFileNm || "다운로드"}
+                  </a>
+                ) : (
+                  "-"
+                )}
+              </TableCell>
+              <TableCell align="center">
+                {item.regDt ? dayjs(item.regDt).format("YYYY-MM-DD HH:mm:ss") : "-"}
+              </TableCell>
+            </TableRow>
+          ))}
+        </TableBody>
+      </Table>
+    </div>
+  );
+}
+
+export { TechReviewOpinionSection };
diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/components/floating-action-buttons.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/components/floating-action-buttons.tsx
index d55333763..b4461ab1b 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/components/floating-action-buttons.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/components/floating-action-buttons.tsx
@@ -26,7 +26,6 @@ import {
   type FnrsCnsltnMngDetResponseDto,
   fnrsCnsltnMngService,
 } from "@/entities/fnrs-cnsltn";
-import { useRvwMnpwMngLoginUserList } from "@/entities/rvw-mnpw";
 import { SplmntDmndDialog, type SplmntDmndDialogConfirmPayload } from "@/widgets/pbadms-sprt";
 import { Button } from "@common/components";
 
@@ -52,6 +51,8 @@ interface FloatingActionButtonsProps {
   fnrsCnsltnDocNo: string;
   prgrsSttsComCd: string;
   dtlInstCd: string | undefined;
+  atrzSeComCdList: string[];
+  isRvwLoginUserLoading: boolean;
   checklistFormState: ChecklistFormState;
   techReviewOpinionRef?: React.RefObject<TechReviewOpinionSectionHandle | null>;
   opnrNm?: string;
@@ -65,6 +66,8 @@ function FloatingActionButtons({
   fnrsCnsltnDocNo,
   prgrsSttsComCd,
   dtlInstCd,
+  atrzSeComCdList,
+  isRvwLoginUserLoading,
   checklistFormState,
   techReviewOpinionRef,
   opnrNm,
@@ -82,18 +85,9 @@ function FloatingActionButtons({
 
   const needsAtrzResolve = needsRoleUser01AtrzResolve(dtlInstCd, prgrsSttsComCd);
   const needsTeApprovalCheck = needsAtrzResolve && prgrsSttsComCd === "TE";
-  const { data: rvwLoginUserData, isLoading: isRvwLoginUserLoading } = useRvwMnpwMngLoginUserList(
-    {},
-    { enabled: needsAtrzResolve },
-  );
   const { data: elaprDocPrgrsList = [], isLoading: isElaprDocPrgrsLoading } =
     useElaprDocPrgrsByDocNo(needsTeApprovalCheck ? docNo : null);
 
-  const atrzSeComCdList = useMemo(
-    () => rvwLoginUserData?.content?.map((item) => item.atrzSeComCd) ?? [],
-    [rvwLoginUserData],
-  );
-
   const hasPendingApprovalRequest = hasCurrentUserPendingApprovalRequest(
     elaprDocPrgrsList,
     userInfo?.userUnqId,
diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-view-page.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-view-page.tsx
index 2423e1ead..3ec2522d1 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-view-page.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-view-page.tsx
@@ -1,13 +1,15 @@
 "use client";
 
-import { useRef } from "react";
+import { useMemo, useRef } from "react";
 
 import { useUserStore } from "@/shared/lib";
 import { ElaprDocPrgrsStatus } from "@/entities/elapr";
 import { useFnrsCnsltnMng } from "@/entities/fnrs-cnsltn";
+import { useRvwMnpwMngLoginUserList } from "@/entities/rvw-mnpw";
 import { SectionCollapsible, SupplementDemandSection } from "@/widgets/pbadms-sprt";
 import { Skeleton } from "@common/components";
 
+import { needsRoleUser01AtrzResolve } from "../lib/button-config";
 import { getEditableReviewStep } from "../lib/review-step-utils";
 import { EMPTY_CKLST_RESULT_LIST, useChecklistFormState } from "../lib/use-checklist-form-state";
 
@@ -35,6 +37,17 @@ function FnrsViewPage({ id }: FnrsViewPageProps) {
   const { formState: checklistFormState, setFormState: setChecklistFormState } =
     useChecklistFormState(data?.cklstResultList ?? EMPTY_CKLST_RESULT_LIST);
 
+  const prgrsSttsComCd = data?.detDto?.prgrsSttsComCd || "";
+  const needsAtrzResolve = needsRoleUser01AtrzResolve(userInfo?.dtlInstCd, prgrsSttsComCd);
+  const { data: rvwLoginUserData, isLoading: isRvwLoginUserLoading } = useRvwMnpwMngLoginUserList(
+    {},
+    { enabled: needsAtrzResolve },
+  );
+  const atrzSeComCdList = useMemo(
+    () => rvwLoginUserData?.content?.map((item) => item.atrzSeComCd) ?? [],
+    [rvwLoginUserData],
+  );
+
   if (isLoading) {
     return (
       <div className="mt-6 flex flex-col gap-4 px-6">
@@ -96,6 +109,8 @@ function FnrsViewPage({ id }: FnrsViewPageProps) {
         ref={techReviewOpinionRef}
         rvwList={rvwList}
         editableReviewStep={editableReviewStep}
+        atrzSeComCdList={atrzSeComCdList}
+        isAtrzLoading={needsAtrzResolve && isRvwLoginUserLoading}
       />
       <FloatingActionButtons
         data={data}
@@ -103,6 +118,8 @@ function FnrsViewPage({ id }: FnrsViewPageProps) {
         fnrsCnsltnDocNo={detDto.fnrsCnsltnDocNo}
         prgrsSttsComCd={detDto.prgrsSttsComCd || ""}
         dtlInstCd={userInfo?.dtlInstCd}
+        atrzSeComCdList={atrzSeComCdList}
+        isRvwLoginUserLoading={needsAtrzResolve && isRvwLoginUserLoading}
         checklistFormState={checklistFormState}
         techReviewOpinionRef={techReviewOpinionRef}
         opnrNm={userInfo?.userName}
diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/sections/basic-info-section.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/sections/basic-info-section.tsx
index 7015a56d5..939af68fd 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/sections/basic-info-section.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/sections/basic-info-section.tsx
@@ -12,6 +12,12 @@ function BasicInfoSection({ det }: BasicInfoSectionProps) {
   return (
     <SectionCollapsible title="기본 정보">
       <Table variant="secondary">
+        <colgroup>
+          <col width="15%" />
+          <col width="35%" />
+          <col width="15%" />
+          <col width="35%" />
+        </colgroup>
         <TableHeader>
           <TableRow>
             <TableHead>사업명</TableHead>
diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/sections/tech-review-opinion-section.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/sections/tech-review-opinion-section.tsx
index dee5f6c8f..bc7a51af6 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/sections/tech-review-opinion-section.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/sections/tech-review-opinion-section.tsx
@@ -33,6 +33,8 @@ const RVW_OPNN_FILE_KEY_PREFIX = "rvw-opnn::";
 interface TechReviewOpinionSectionProps {
   rvwList: FnrsCnsltnRvwOpnnResponseDto[];
   editableReviewStep?: ReviewStepCode;
+  atrzSeComCdList?: string[];
+  isAtrzLoading?: boolean;
 }
 
 export interface TechReviewOpinionSectionHandle {
@@ -69,7 +71,13 @@ function hasFormContent(formData: ReviewOpinionFormData) {
 const TechReviewOpinionSection = forwardRef<
   TechReviewOpinionSectionHandle,
   TechReviewOpinionSectionProps
->(function TechReviewOpinionSection({ rvwList, editableReviewStep }, ref) {
+>(function TechReviewOpinionSection({
+  rvwList,
+  editableReviewStep,
+  atrzSeComCdList = [],
+  isAtrzLoading = false,
+}, ref) {
+  const canWriteKecoOpinion = !isAtrzLoading && atrzSeComCdList.includes("ATRZ02");
   const [formData, setFormData] = useState<ReviewOpinionFormData>({
     ...EMPTY_FORM_DATA,
     opnrSeComCd: editableReviewStep ?? "",
@@ -102,6 +110,9 @@ const TechReviewOpinionSection = forwardRef<
         if (!editableReviewStep || !hasFormContent(formData)) {
           return null;
         }
+        if (editableReviewStep === "KECO" && !canWriteKecoOpinion) {
+          return null;
+        }
 
         return {
           formData: {
@@ -119,14 +130,15 @@ const TechReviewOpinionSection = forwardRef<
         setUploadedFile(null);
       },
     }),
-    [editableReviewStep, formData, rvwList],
+    [canWriteKecoOpinion, editableReviewStep, formData, rvwList],
   );
 
   const envRvwList = rvwList.filter((item) => item.opnrSeComCd === "ENV");
   const kecoRvwList = rvwList.filter((item) => item.opnrSeComCd === "KECO");
 
   const hasEnvSection = envRvwList.length > 0 || editableReviewStep === "ENV";
-  const hasKecoSection = kecoRvwList.length > 0 || editableReviewStep === "KECO";
+  const hasKecoSection =
+    kecoRvwList.length > 0 || (editableReviewStep === "KECO" && canWriteKecoOpinion);
 
   if (!hasEnvSection && !hasKecoSection) {
     return null;
@@ -170,6 +182,7 @@ const TechReviewOpinionSection = forwardRef<
 
   function renderOpinionForm(reviewStep: ReviewStepCode) {
     if (editableReviewStep !== reviewStep) return null;
+    if (reviewStep === "KECO" && !canWriteKecoOpinion) return null;
 
     const uploading = uploadedFile ? (isUploading[uploadedFile.fileKey] ?? false) : false;
 
diff --git a/apps/as/src/pages/instl-sncn/ui/components/floating-action-buttons.tsx b/apps/as/src/pages/instl-sncn/ui/components/floating-action-buttons.tsx
index 982921997..e3c0d8119 100644
--- a/apps/as/src/pages/instl-sncn/ui/components/floating-action-buttons.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/components/floating-action-buttons.tsx
@@ -26,7 +26,6 @@ import {
   type InstlSncnMngDetResponse,
   instlSncnService,
 } from "@/entities/instl-sncn";
-import { useRvwMnpwMngLoginUserList } from "@/entities/rvw-mnpw";
 import { SplmntDmndDialog, type SplmntDmndDialogConfirmPayload } from "@/widgets/pbadms-sprt";
 import { Button } from "@common/components";
 
@@ -52,6 +51,8 @@ interface FloatingActionButtonsProps {
   instlSncnDocNo: string;
   prgrsSttsComCd: string;
   dtlInstCd: string | undefined;
+  atrzSeComCdList: string[];
+  isRvwLoginUserLoading: boolean;
   checklistFormState: ChecklistFormState;
   techReviewOpinionRef?: React.RefObject<TechReviewOpinionSectionHandle | null>;
   opnrNm?: string;
@@ -65,6 +66,8 @@ function FloatingActionButtons({
   instlSncnDocNo,
   prgrsSttsComCd,
   dtlInstCd,
+  atrzSeComCdList,
+  isRvwLoginUserLoading,
   checklistFormState,
   techReviewOpinionRef,
   opnrNm,
@@ -82,18 +85,9 @@ function FloatingActionButtons({
 
   const needsAtrzResolve = needsRoleUser01AtrzResolve(dtlInstCd, prgrsSttsComCd);
   const needsTeApprovalCheck = needsAtrzResolve && prgrsSttsComCd === "TE";
-  const { data: rvwLoginUserData, isLoading: isRvwLoginUserLoading } = useRvwMnpwMngLoginUserList(
-    {},
-    { enabled: needsAtrzResolve },
-  );
   const { data: elaprDocPrgrsList = [], isLoading: isElaprDocPrgrsLoading } =
     useElaprDocPrgrsByDocNo(needsTeApprovalCheck ? docNo : null);
 
-  const atrzSeComCdList = useMemo(
-    () => rvwLoginUserData?.content?.map((item) => item.atrzSeComCd) ?? [],
-    [rvwLoginUserData],
-  );
-
   const hasPendingApprovalRequest = hasCurrentUserPendingApprovalRequest(
     elaprDocPrgrsList,
     userInfo?.userUnqId,
diff --git a/apps/as/src/pages/instl-sncn/ui/instl-view-page.tsx b/apps/as/src/pages/instl-sncn/ui/instl-view-page.tsx
index c5904ebae..094072f1a 100644
--- a/apps/as/src/pages/instl-sncn/ui/instl-view-page.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/instl-view-page.tsx
@@ -1,13 +1,15 @@
 "use client";
 
-import { useRef } from "react";
+import { useMemo, useRef } from "react";
 
 import { useUserStore } from "@/shared/lib";
 import { ElaprDocPrgrsStatus } from "@/entities/elapr";
 import { useInstlSncnDetail } from "@/entities/instl-sncn";
+import { useRvwMnpwMngLoginUserList } from "@/entities/rvw-mnpw";
 import { SectionCollapsible, SupplementDemandSection } from "@/widgets/pbadms-sprt";
 import { Skeleton } from "@common/components";
 
+import { needsRoleUser01AtrzResolve } from "../lib/button-config";
 import { getEditableReviewStep } from "../lib/review-step-utils";
 import { EMPTY_CKLST_RESULT_LIST, useChecklistFormState } from "../lib/use-checklist-form-state";
 
@@ -34,6 +36,17 @@ function InstlViewPage({ id }: InstlViewPageProps) {
   const { formState: checklistFormState, setFormState: setChecklistFormState } =
     useChecklistFormState(data?.cklstResultList ?? EMPTY_CKLST_RESULT_LIST);
 
+  const prgrsSttsComCd = data?.detDto?.prgrsSttsComCd || "";
+  const needsAtrzResolve = needsRoleUser01AtrzResolve(userInfo?.dtlInstCd, prgrsSttsComCd);
+  const { data: rvwLoginUserData, isLoading: isRvwLoginUserLoading } = useRvwMnpwMngLoginUserList(
+    {},
+    { enabled: needsAtrzResolve },
+  );
+  const atrzSeComCdList = useMemo(
+    () => rvwLoginUserData?.content?.map((item) => item.atrzSeComCd) ?? [],
+    [rvwLoginUserData],
+  );
+
   if (isLoading) {
     return (
       <div className="mt-6 flex flex-col gap-4 px-6">
@@ -94,6 +107,8 @@ function InstlViewPage({ id }: InstlViewPageProps) {
         ref={techReviewOpinionRef}
         rvwList={rvwList}
         editableReviewStep={editableReviewStep}
+        atrzSeComCdList={atrzSeComCdList}
+        isAtrzLoading={needsAtrzResolve && isRvwLoginUserLoading}
       />
       <SupplementDemandSection splmntDmndList={splmntDmndList} />
       <FloatingActionButtons
@@ -102,6 +117,8 @@ function InstlViewPage({ id }: InstlViewPageProps) {
         instlSncnDocNo={detDto.instlSncnDocNo}
         prgrsSttsComCd={detDto.prgrsSttsComCd || ""}
         dtlInstCd={userInfo?.dtlInstCd}
+        atrzSeComCdList={atrzSeComCdList}
+        isRvwLoginUserLoading={needsAtrzResolve && isRvwLoginUserLoading}
         checklistFormState={checklistFormState}
         techReviewOpinionRef={techReviewOpinionRef}
         opnrNm={userInfo?.userName}
diff --git a/apps/as/src/pages/instl-sncn/ui/sections/basic-info-section.tsx b/apps/as/src/pages/instl-sncn/ui/sections/basic-info-section.tsx
index 890dc45d8..5413f0e0a 100644
--- a/apps/as/src/pages/instl-sncn/ui/sections/basic-info-section.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/sections/basic-info-section.tsx
@@ -12,6 +12,12 @@ function BasicInfoSection({ det }: BasicInfoSectionProps) {
   return (
     <SectionCollapsible title="기본 정보">
       <Table variant="secondary">
+        <colgroup>
+          <col width="15%" />
+          <col width="35%" />
+          <col width="15%" />
+          <col width="35%" />
+        </colgroup>
         <TableHeader>
           <TableRow>
             <TableHead>사업명</TableHead>
diff --git a/apps/as/src/pages/instl-sncn/ui/sections/tech-review-opinion-section.tsx b/apps/as/src/pages/instl-sncn/ui/sections/tech-review-opinion-section.tsx
index c958835b6..2227492ed 100644
--- a/apps/as/src/pages/instl-sncn/ui/sections/tech-review-opinion-section.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/sections/tech-review-opinion-section.tsx
@@ -29,6 +29,8 @@ const RVW_OPNN_FILE_KEY_PREFIX = "rvw-opnn::";
 interface TechReviewOpinionSectionProps {
   rvwList: InstlSncnRvwOpnnResponseDto[];
   editableReviewStep?: ReviewStepCode;
+  atrzSeComCdList?: string[];
+  isAtrzLoading?: boolean;
 }
 
 export interface TechReviewOpinionSectionHandle {
@@ -65,7 +67,13 @@ function hasFormContent(formData: ReviewOpinionFormData) {
 const TechReviewOpinionSection = forwardRef<
   TechReviewOpinionSectionHandle,
   TechReviewOpinionSectionProps
->(function TechReviewOpinionSection({ rvwList, editableReviewStep }, ref) {
+>(function TechReviewOpinionSection({
+  rvwList,
+  editableReviewStep,
+  atrzSeComCdList = [],
+  isAtrzLoading = false,
+}, ref) {
+  const canWriteKecoOpinion = !isAtrzLoading && atrzSeComCdList.includes("ATRZ02");
   const [formData, setFormData] = useState<ReviewOpinionFormData>({
     ...EMPTY_FORM_DATA,
     opnrSeComCd: editableReviewStep ?? "",
@@ -98,6 +106,9 @@ const TechReviewOpinionSection = forwardRef<
         if (!editableReviewStep || !hasFormContent(formData)) {
           return null;
         }
+        if (editableReviewStep === "KECO" && !canWriteKecoOpinion) {
+          return null;
+        }
 
         return {
           ...formData,
@@ -112,14 +123,15 @@ const TechReviewOpinionSection = forwardRef<
         setUploadedFile(null);
       },
     }),
-    [editableReviewStep, formData],
+    [canWriteKecoOpinion, editableReviewStep, formData],
   );
 
   const envRvwList = rvwList.filter((item) => item.opnrSeComCd === "ENV");
   const kecoRvwList = rvwList.filter((item) => item.opnrSeComCd === "KECO");
 
   const hasEnvSection = envRvwList.length > 0 || editableReviewStep === "ENV";
-  const hasKecoSection = kecoRvwList.length > 0 || editableReviewStep === "KECO";
+  const hasKecoSection =
+    kecoRvwList.length > 0 || (editableReviewStep === "KECO" && canWriteKecoOpinion);
 
   if (!hasEnvSection && !hasKecoSection) {
     return null;
@@ -163,6 +175,7 @@ const TechReviewOpinionSection = forwardRef<
 
   function renderOpinionForm(reviewStep: ReviewStepCode) {
     if (editableReviewStep !== reviewStep) return null;
+    if (reviewStep === "KECO" && !canWriteKecoOpinion) return null;
 
     const uploading = uploadedFile ? (isUploading[uploadedFile.fileKey] ?? false) : false;
 
diff --git a/apps/as/src/shared/config/api.ts b/apps/as/src/shared/config/api.ts
index 0aab98ed6..98992a063 100644
--- a/apps/as/src/shared/config/api.ts
+++ b/apps/as/src/shared/config/api.ts
@@ -17,6 +17,11 @@ export const ENDPOINT = {
     ADSTDSTR: "/as-service/api/v1/adstdstr",
     FNRS_CNSLTN_MNG: "/as-service/api/v1/fnrs-cnsltn-mng",
     FNRS_SHAR_SE: "/as-service/api/v1/fnrs-shar-se-mng",
+    DESIGN_CNSTN: "/as-service/api/v1/design-cnstn",
+    DESIGN_CNSTN_BIZ_CST: "/as-service/api/v1/design-cnstn-biz-cst",
+    DESIGN_CNSTN_BIZ_SCL: "/as-service/api/v1/design-cnstn-biz-scl",
+    DESIGN_CNSTN_ESNTL_ATCH_FILE: "/as-service/api/v1/design-cnstn-esntl-atch-file",
+    DESIGN_CNSTN_RVW_OPNN: "/as-service/api/v1/design-cnstn-rvw-opnn",
   },
   USER_SERVICE: {
     LOGIN: "/user-service/login",
diff --git a/apps/as/src/widgets/pbadms-sprt/lib/attachments-form-utils.ts b/apps/as/src/widgets/pbadms-sprt/lib/attachments-form-utils.ts
index 59981f8d1..4fdd62292 100644
--- a/apps/as/src/widgets/pbadms-sprt/lib/attachments-form-utils.ts
+++ b/apps/as/src/widgets/pbadms-sprt/lib/attachments-form-utils.ts
@@ -1,6 +1,6 @@
 import { getDefaultFileKey } from "@/shared/lib";
 
-export type FieldPrefix = "fnrsCnsltnMng" | "instlSncnMng";
+export type FieldPrefix = "fnrsCnsltnMng" | "instlSncnMng" | "designCnstnMng";
 
 export const ETC_FILE_KEY_PREFIX = "etc::";
 
diff --git a/apps/as/src/widgets/pbadms-sprt/ui/checklist-form-section.tsx b/apps/as/src/widgets/pbadms-sprt/ui/checklist-form-section.tsx
index a77663e58..56c01d76e 100644
--- a/apps/as/src/widgets/pbadms-sprt/ui/checklist-form-section.tsx
+++ b/apps/as/src/widgets/pbadms-sprt/ui/checklist-form-section.tsx
@@ -29,7 +29,7 @@ import { buildChecklistTabs, syncCklstResultListFromTree } from "../lib/checklis
 
 import { SectionCollapsible } from "./section-collapsible";
 
-type FieldPrefix = "fnrsCnsltnMng" | "instlSncnMng";
+type FieldPrefix = "fnrsCnsltnMng" | "instlSncnMng" | "designCnstnMng";
 
 interface CklstResultListItem {
   cklstSn: number;
diff --git a/apps/as/src/widgets/pbadms-sprt/ui/contact-info-form-section.tsx b/apps/as/src/widgets/pbadms-sprt/ui/contact-info-form-section.tsx
index 1d6e31a16..0ccf5c580 100644
--- a/apps/as/src/widgets/pbadms-sprt/ui/contact-info-form-section.tsx
+++ b/apps/as/src/widgets/pbadms-sprt/ui/contact-info-form-section.tsx
@@ -7,7 +7,7 @@ import { Field, FieldError } from "@/shared/ui/field";
 import { SectionCollapsible } from "@/widgets/pbadms-sprt";
 import { Input, Table, TableCell, TableHead, TableHeader, TableRow } from "@common/components";
 
-type FieldPrefix = "fnrsCnsltnMng" | "instlSncnMng";
+type FieldPrefix = "fnrsCnsltnMng" | "instlSncnMng" | "designCnstnMng";
 
 interface ContactInfoFormSectionProps {
   fieldPrefix: FieldPrefix;