diff --git a/apps/st/src/components/module/SearchForm.tsx b/apps/st/src/components/module/SearchForm.tsx
index ccc76bc3d..46c0b50d3 100644
--- a/apps/st/src/components/module/SearchForm.tsx
+++ b/apps/st/src/components/module/SearchForm.tsx
@@ -69,6 +69,7 @@ function buildSearchFormValues(
             isDetail: false,
             isSummary: d.isSummary || "",
             clsfCd: initialClsfCd,
+            capacityGbn: d.capacityGbn || "ALL",
         };
     }
 
@@ -85,6 +86,7 @@ function buildSearchFormValues(
         isDetail: false,
         isSummary: d?.isSummary || "",
         clsfCd: initialClsfCd,
+        capacityGbn: d?.capacityGbn || "ALL",
     };
 }
 
@@ -362,6 +364,26 @@ const SearchForm = (props: SearchFormProps = {}) => {
                             />
                         </div>
                     )}
+                    {mergedProps.capacityGbn && (
+                        <div className="flex items-center gap-2">
+                            <Label className="text-label">구분</Label>
+                            <Select
+                                value={values.capacityGbn}
+                                onValueChange={(value) =>
+                                    setValues({ ...values, capacityGbn: value })
+                                }
+                            >
+                                <SelectTrigger className="w-[10rem]">
+                                    <SelectValue placeholder="전체"></SelectValue>
+                                </SelectTrigger>
+                                <SelectContent>
+                                    <SelectItem value='ALL'>전체</SelectItem>
+                                    <SelectItem value='500톤이상'>500톤이상</SelectItem>
+                                    <SelectItem value='500톤미만'>500톤미만</SelectItem>
+                                </SelectContent>
+                            </Select>
+                        </div>
+                    )}
                     {mergedProps.isDetail && (
                         <div className="flex items-center gap-2">
                             <Label className="text-label cursor-pointer" htmlFor="isDetail">
diff --git a/apps/st/src/components/module/VerificationResultDialog.tsx b/apps/st/src/components/module/VerificationResultDialog.tsx
index 0f2de8007..7f7e08801 100644
--- a/apps/st/src/components/module/VerificationResultDialog.tsx
+++ b/apps/st/src/components/module/VerificationResultDialog.tsx
@@ -311,15 +311,24 @@ export function VerificationResultDialog({
     }, [rows, loading]);
 
     const handleExceptionSubmitClick = useCallback(async () => {
+        if (checkedIndices.size === 0) {
+            alert("작성된 예외 제출 항목이 없습니다.");
+            return;
+        }
+
         const gridRows = getGridDataRef.current?.() ?? [];
         const payload: VerificationExceptionSubmitItem[] = [];
-        checkedIndices.forEach((idx) => {
+        for (const idx of checkedIndices) {
             const prcsOpnnExpln = String(gridRows[idx]?.prcsOpnnExpln ?? "").trim();
-            if (!prcsOpnnExpln) return;
+            if (!prcsOpnnExpln) {
+                alert("예외 제출 사유를 작성해주세요.");
+                return;
+            }
             const vrfcSn = Number(rows[idx]?.vrfcSn);
-            if (!Number.isFinite(vrfcSn)) return;
+            if (!Number.isFinite(vrfcSn)) continue;
             payload.push({ vrfcSn, prcsOpnnExpln });
-        });
+        }
+
         if (payload.length === 0) {
             alert("작성된 예외 제출 항목이 없습니다.");
             return;
diff --git a/apps/st/src/components/statistics/input/MainFacilityMappingSaveDialog.tsx b/apps/st/src/components/statistics/input/MainFacilityMappingSaveDialog.tsx
index d9f9de404..623363e2c 100644
--- a/apps/st/src/components/statistics/input/MainFacilityMappingSaveDialog.tsx
+++ b/apps/st/src/components/statistics/input/MainFacilityMappingSaveDialog.tsx
@@ -1,10 +1,13 @@
 "use client";
 
 import { useEffect, useState } from "react";
+import { CalendarIcon } from "lucide-react";
+import dayjs from "dayjs";
 
 import { useAlertStore } from "@/shared/lib";
 import {
     Button,
+    Calendar,
     Dialog,
     DialogClose,
     DialogContent,
@@ -12,8 +15,10 @@ import {
     DialogHeader,
     DialogTitle,
     Input,
-    InputDatePicker,
     Label,
+    Popover,
+    PopoverContent,
+    PopoverTrigger,
 } from "@common/components";
 
 export interface MainFacilityMappingSaveDialogValues {
@@ -79,6 +84,95 @@ function validateContractRange(start: Date | undefined, end: Date | undefined):
     return null;
 }
 
+const CONTRACT_DATE_END_MONTH = new Date(new Date().getFullYear() + 10, 11);
+
+function isValidDate(date: Date | undefined) {
+    if (!date) return false;
+    return !Number.isNaN(date.getTime());
+}
+
+/** 이 다이얼로그 전용 — 연도 드롭다운을 현재+10년까지 허용 */
+function ContractDatePicker({
+    value,
+    onChange,
+    disabled,
+    className,
+}: {
+    value?: Date;
+    onChange: (date: Date | undefined) => void;
+    disabled?: boolean;
+    className?: string;
+}) {
+    const [open, setOpen] = useState(false);
+    const [month, setMonth] = useState<Date | undefined>(value);
+    const [displayValue, setDisplayValue] = useState<Date | undefined>(value);
+
+    useEffect(() => {
+        setDisplayValue(value);
+        setMonth(value);
+    }, [value]);
+
+    return (
+        <div className="relative flex gap-2">
+            <Input
+                type="date"
+                value={displayValue ? dayjs(displayValue).format("YYYY-MM-DD") : ""}
+                disabled={disabled}
+                max={dayjs(CONTRACT_DATE_END_MONTH).format("YYYY-MM-DD")}
+                className={`bg-background pr-10 ${className ?? ""}`}
+                onChange={(e) => {
+                    const newDate = new Date(e.target.value);
+                    setDisplayValue(newDate);
+                    if (isValidDate(newDate)) {
+                        onChange(newDate);
+                        setMonth(newDate);
+                    }
+                }}
+                onKeyDown={(e) => {
+                    if (e.key === "ArrowDown") {
+                        e.preventDefault();
+                        setOpen(true);
+                    }
+                }}
+            />
+            <Popover open={open} onOpenChange={setOpen}>
+                <PopoverTrigger asChild>
+                    <Button
+                        type="button"
+                        variant="ghost"
+                        color="white"
+                        disabled={disabled}
+                        className="absolute right-2 top-1/2 size-7 -translate-y-1/2 rounded-[0.4rem] border-none p-0"
+                    >
+                        <CalendarIcon className="!size-full" />
+                        <span className="sr-only">Select date</span>
+                    </Button>
+                </PopoverTrigger>
+                <PopoverContent
+                    className="w-auto overflow-hidden p-0"
+                    align="end"
+                    alignOffset={-8}
+                    sideOffset={10}
+                >
+                    <Calendar
+                        mode="single"
+                        selected={value}
+                        captionLayout="dropdown"
+                        month={month}
+                        onMonthChange={setMonth}
+                        endMonth={CONTRACT_DATE_END_MONTH}
+                        onSelect={(newDate) => {
+                            onChange(newDate);
+                            setDisplayValue(newDate);
+                            setOpen(false);
+                        }}
+                    />
+                </PopoverContent>
+            </Popover>
+        </div>
+    );
+}
+
 export function MainFacilityMappingSaveDialog({
     open,
     onOpenChange,
@@ -220,7 +314,7 @@ export function MainFacilityMappingSaveDialog({
                         <div className="flex flex-col gap-3 sm:flex-row sm:items-end sm:gap-4">
                             <div className="flex min-w-0 flex-1 flex-col gap-2">
                                 <Label className="text-label text-[1.2rem]">시작일</Label>
-                                <InputDatePicker
+                                <ContractDatePicker
                                     value={prxyCtrtStart}
                                     onChange={setPrxyCtrtStart}
                                     className="w-full"
@@ -229,7 +323,7 @@ export function MainFacilityMappingSaveDialog({
                             </div>
                             <div className="flex min-w-0 flex-1 flex-col gap-2">
                                 <Label className="text-label text-[1.2rem]">종료일</Label>
-                                <InputDatePicker
+                                <ContractDatePicker
                                     value={prxyCtrtEnd}
                                     onChange={setPrxyCtrtEnd}
                                     className="w-full"
diff --git a/apps/st/src/components/statistics/total/PublicSewageFacilityTot.tsx b/apps/st/src/components/statistics/total/PublicSewageFacilityTot.tsx
index 280db0894..3211eb270 100644
--- a/apps/st/src/components/statistics/total/PublicSewageFacilityTot.tsx
+++ b/apps/st/src/components/statistics/total/PublicSewageFacilityTot.tsx
@@ -21,6 +21,7 @@ const PublicSewageFacilityTot = () => {
             setIsLoading(true);
 
             const isSummaryEnabled = values.isSummary !== 'ALL';
+            const isCapacityGbn = values.capacityGbn !== 'ALL'
             const summaryYearCnt = isSummaryEnabled ? Number(values.isSummary) : undefined;
 
             const param = {
@@ -29,6 +30,7 @@ const PublicSewageFacilityTot = () => {
                 sewerBzmnCd: values.bsnmCd,
                 statsYr: values.year,
                 rowDataYn: values.isDetail,
+                ...(isCapacityGbn ? { capacityGbn: values.capacityGbn } : {}),
                 summaryYn: isSummaryEnabled,
                 ...(isSummaryEnabled ? { summaryYearCnt } : {}),
             };
@@ -50,7 +52,7 @@ const PublicSewageFacilityTot = () => {
 
     return (
         <>
-            <SearchForm isDetail={true} isSummary={true} onSubmit={handleSearch} sidoSelectText="전체" />
+            <SearchForm isDetail={true} capacityGbn={true} isSummary={true} onSubmit={handleSearch} sidoSelectText="전체" />
             {isLoading && (
                 <div className="absolute inset-0 z-50 [data-theme='black']:bg-transparent rounded-lg p-10 flex justify-center items-center">
                     <div className="relative size-[5rem]">
diff --git a/apps/st/src/components/type/SearchForm.type.ts b/apps/st/src/components/type/SearchForm.type.ts
index 62c7fab7a..4beac48dd 100644
--- a/apps/st/src/components/type/SearchForm.type.ts
+++ b/apps/st/src/components/type/SearchForm.type.ts
@@ -12,6 +12,7 @@ export type SearchFormValues = {
     isSummary?: string;
     /** 분류: 전체(ALL), 입력(INPT), 검증(VRFC) */
     clsfCd?: SearchFormClsfCd;
+    capacityGbn?: string;
 };
 
 export type SearchFormProps = {
@@ -24,6 +25,7 @@ export type SearchFormProps = {
     /** 분류(입력/검증) 셀렉트 표시 */
     clsf?: boolean;
     userMenual?: boolean;
+    capacityGbn?: boolean;
     isDetail?: boolean;
     isSummary?: boolean;
     onSubmit?: (values: SearchFormValues) => void;
@@ -44,6 +46,7 @@ export const defaultSearchFormProps: Required<
     fctName: false,
     clsf: false,
     userMenual: false,
+    capacityGbn: false,
     isDetail: false,
     isSummary: false,
     isReset: true,
diff --git a/apps/st/src/entities/statistics/model/statistics-total/statistics-sewage-pipe-maintain-total-interface.ts b/apps/st/src/entities/statistics/model/statistics-total/statistics-sewage-pipe-maintain-total-interface.ts
index ca2c79b14..6d7d75ec3 100644
--- a/apps/st/src/entities/statistics/model/statistics-total/statistics-sewage-pipe-maintain-total-interface.ts
+++ b/apps/st/src/entities/statistics/model/statistics-total/statistics-sewage-pipe-maintain-total-interface.ts
@@ -6,6 +6,7 @@ export interface SewagePipeMaintainTotalRequest {
     rowDataYn?: boolean;
     summaryYn?: boolean;
     summaryYearCnt?: number;
+    capacityGbn?: string;
 }
 
 export interface SewagePipeMaintainRepairTotalItem {
diff --git a/apps/st/src/pages/statistics/ui/panels/schedule-calendar-panel.tsx b/apps/st/src/pages/statistics/ui/panels/schedule-calendar-panel.tsx
index 8f85b1351..bfc1abc97 100644
--- a/apps/st/src/pages/statistics/ui/panels/schedule-calendar-panel.tsx
+++ b/apps/st/src/pages/statistics/ui/panels/schedule-calendar-panel.tsx
@@ -1,7 +1,9 @@
 "use client";
 
+import { useState } from "react";
 import dynamic from "next/dynamic";
 
+import type { DatesSetArg } from "@fullcalendar/core";
 import dayGridPlugin from "@fullcalendar/daygrid";
 import timeGridPlugin from "@fullcalendar/timegrid";
 import dayjs from "dayjs";
@@ -12,25 +14,48 @@ import { LoadingWithAnimation } from "@common/components";
 
 import { useDragHandle } from "../sortable-panel";
 
-// FullCalendar는 클라이언트 전용이므로 dynamic import
 const FullCalendar = dynamic(() => import("@fullcalendar/react"), {
     ssr: false,
 });
 
+function getMonthRange(date = dayjs()) {
+    return {
+        schdlBgngYmd: date.startOf("month").format("YYYY-MM-DD"),
+        schdlEndYmd: date.endOf("month").format("YYYY-MM-DD"),
+    };
+}
+
 export function ScheduleCalendarPanel() {
     const { dragHandleProps, isDragging } = useDragHandle();
+    const [dateRange, setDateRange] = useState(getMonthRange);
 
-    // TBD: 초기 날짜 범위 설정 로직
-    const today = dayjs();
-    const startOfMonth = today.startOf("month").format("YYYY-MM-DD");
-    const endOfMonth = today.endOf("month").format("YYYY-MM-DD");
-
-    const { data, isLoading } = useSchedules({
+    const { data, isLoading, isFetching } = useSchedules({
         siteId: SITE_ID,
-        schdlBgngYmd: startOfMonth,
-        schdlEndYmd: endOfMonth,
+        schdlBgngYmd: dateRange.schdlBgngYmd,
+        schdlEndYmd: dateRange.schdlEndYmd,
     });
 
+    function handleDatesSet(dateInfo: DatesSetArg) {
+        const nextRange = {
+            schdlBgngYmd: dayjs(dateInfo.view.currentStart).format(
+                "YYYY-MM-DD",
+            ),
+            schdlEndYmd: dayjs(dateInfo.view.currentEnd)
+                .subtract(1, "day")
+                .format("YYYY-MM-DD"),
+        };
+
+        setDateRange((prev) => {
+            if (
+                prev.schdlBgngYmd === nextRange.schdlBgngYmd &&
+                prev.schdlEndYmd === nextRange.schdlEndYmd
+            ) {
+                return prev;
+            }
+            return nextRange;
+        });
+    }
+
     return (
         <div className="card card-border !m-0 h-full border-border bg-background text-foreground">
             <div
@@ -40,41 +65,39 @@ export function ScheduleCalendarPanel() {
             >
                 <h3 className="text-2xl font-semibold">일정관리</h3>
             </div>
-            <div className="card-body max-h-[calc(100%-3.25rem)] py-2.5">
-                {isLoading && (
-                    <div className="flex h-full items-center justify-center">
+            <div className="card-body relative max-h-[calc(100%-3.25rem)] py-2.5">
+                <div className="h-[48rem]">
+                    <FullCalendar
+                        plugins={[dayGridPlugin, timeGridPlugin]}
+                        initialView="dayGridMonth"
+                        locale="ko"
+                        headerToolbar={{
+                            left: "prev,next",
+                            center: "title",
+                            right: "dayGridMonth,timeGridWeek",
+                        }}
+                        buttonText={{
+                            month: "월",
+                            week: "주",
+                        }}
+                        datesSet={handleDatesSet}
+                        events={(data ?? []).map((schedule) => ({
+                            id: schedule.schdlSn.toString(),
+                            title: schedule.schdlTtl,
+                            start: schedule.schdlBgngDt,
+                            end: schedule.schdlEndDt,
+                            allDay: true,
+                        }))}
+                        height="100%"
+                    />
+                </div>
+                {(isLoading || isFetching) && (
+                    <div className="bg-background/50 absolute inset-0 flex items-center justify-center">
                         <div className="relative size-[5rem]">
                             <LoadingWithAnimation color="primary" />
                         </div>
                     </div>
                 )}
-                {data && (
-                    <div className="h-[48rem]">
-                        <FullCalendar
-                            plugins={[dayGridPlugin, timeGridPlugin]}
-                            initialView="dayGridMonth"
-                            locale="ko"
-                            headerToolbar={{
-                                left: "prev,next",
-                                center: "title",
-                                right: "dayGridMonth,timeGridWeek",
-                            }}
-                            buttonText={{
-                                month: "월",
-                                week: "주",
-                            }}
-                            events={data.map((schedule) => ({
-                                id: schedule.schdlSn.toString(),
-                                title: schedule.schdlTtl,
-                                start: schedule.schdlBgngDt,
-                                end: schedule.schdlEndDt,
-                                // TBD: allDay 판단 기준 (1439분 이상?)
-                                allDay: true,
-                            }))}
-                            height="100%"
-                        />
-                    </div>
-                )}
             </div>
         </div>
     );
diff --git a/apps/st/src/pages/statistics/ui/panels/schedule-info-panel.tsx b/apps/st/src/pages/statistics/ui/panels/schedule-info-panel.tsx
index b678099d3..05a0fe3ff 100644
--- a/apps/st/src/pages/statistics/ui/panels/schedule-info-panel.tsx
+++ b/apps/st/src/pages/statistics/ui/panels/schedule-info-panel.tsx
@@ -83,36 +83,59 @@ export function ScheduleInfoPanel({ params }: ScheduleInfoPanelProps) {
                             </div>
                             <div className="space-y-2">
                                 <div className="flex items-center justify-between rounded-sm border border-border p-3">
-                                    <Badge size="lg" className="font-semibold">
-                                        입력기간
-                                    </Badge>
-                                    <p className="text-2xl">
-                                        {dayjs(data.inptBgngYmd).format(
-                                            "YYYY.MM.DD",
-                                        )}{" "}
-                                        ~{" "}
-                                        {dayjs(data.inptEndYmd).format(
-                                            "YYYY.MM.DD",
-                                        )}
-                                    </p>
+                                    {data.inptSeCd &&
+                                    data.inptBgngYmd &&
+                                    data.inptEndYmd ? (
+                                        <>
+                                            <Badge
+                                                size="lg"
+                                                className="font-semibold"
+                                            >
+                                                {data.inptSeCd}차 입력기간
+                                            </Badge>
+                                            <p className="text-2xl">
+                                                {dayjs(data.inptBgngYmd).format(
+                                                    "YYYY.MM.DD",
+                                                )}{" "}
+                                                ~{" "}
+                                                {dayjs(data.inptEndYmd).format(
+                                                    "YYYY.MM.DD",
+                                                )}
+                                            </p>
+                                        </>
+                                    ) : (
+                                        <p className="w-full text-center text-lg text-label">
+                                            등록된 입력 일정이 없습니다.
+                                        </p>
+                                    )}
                                 </div>
                                 <div className="flex items-center justify-between rounded-sm border border-border p-3">
-                                    <Badge
-                                        size="lg"
-                                        color="gray"
-                                        className="font-semibold"
-                                    >
-                                        검증기간
-                                    </Badge>
-                                    <p className="text-2xl">
-                                        {dayjs(data.vrfcBgngYmd).format(
-                                            "YYYY.MM.DD",
-                                        )}{" "}
-                                        ~{" "}
-                                        {dayjs(data.vrfcEndYmd).format(
-                                            "YYYY.MM.DD",
-                                        )}
-                                    </p>
+                                    {data.vrfcSeCd &&
+                                    data.vrfcBgngYmd &&
+                                    data.vrfcEndYmd ? (
+                                        <>
+                                            <Badge
+                                                size="lg"
+                                                color="gray"
+                                                className="font-semibold"
+                                            >
+                                                {data.vrfcSeCd}차 검증기간
+                                            </Badge>
+                                            <p className="text-2xl">
+                                                {dayjs(data.vrfcBgngYmd).format(
+                                                    "YYYY.MM.DD",
+                                                )}{" "}
+                                                ~{" "}
+                                                {dayjs(data.vrfcEndYmd).format(
+                                                    "YYYY.MM.DD",
+                                                )}
+                                            </p>
+                                        </>
+                                    ) : (
+                                        <p className="w-full text-center text-lg text-label">
+                                            등록된 검증 일정이 없습니다.
+                                        </p>
+                                    )}
                                 </div>
                             </div>
                             <div className="flex items-center justify-center gap-4 py-4 tracking-tight">