diff --git a/B05_Profile/B05_Profile_UI_RouteEdit_Apply.ts b/B05_Profile/B05_Profile_UI_RouteEdit_Apply.ts
index d8795ef57..7f4c985d5 100644
--- a/B05_Profile/B05_Profile_UI_RouteEdit_Apply.ts
+++ b/B05_Profile/B05_Profile_UI_RouteEdit_Apply.ts
@@ -27,6 +27,8 @@ import {
   useStationKeys,
 } from "../B06_Section/B06_Section_Station_Keys";
 import { withCarriedEdits, withDraftAdjusts } from "../B06_Section/B06_Section_Section_Adjusts";
+import { fetchDetailPipePoints } from "../B04_PreProcess/B04_PreProcess_Api_Fetch";
+import { pipeChainageOf } from "../A00_Common/design/design_pipe_ids";
 import { clearRouteLatestCache } from "./B05_Profile_Api_Fetch";
 import {
   replanRoute,
@@ -151,9 +153,19 @@ export async function carryAfterRouteSave(
   invalidateSectionDetail(projectId, toRouteId);
   const detail = await loadSectionDetail(projectId, toRouteId);
   useStationKeys(projectId, toRouteId, detail);
+  // 관 열쇠 → 새 자리 — 세션 id(`pipe-s3`) = 관 장부 · 저장 관 id(`p8017`) = 서버가 옮긴 관
+  const saved = await fetchDetailPipePoints(projectId)
+    .then((res) => res.pipe_points)
+    .catch(() => []);
+  const pipeAt = (key: string): number | null => {
+    const id = key.startsWith("pipe:") ? key.slice(5) : null;
+    if (!id) return null;
+    if (id.startsWith("pipe-")) return pipeChainageOf(id, projectId);
+    return saved.find((pipe) => pipe.id === id)?.chainage_m ?? null;
+  };
   const outside =
     carryStationDrafts(projectId, fromRouteId, toRouteId, { quiet: true }) +
-    carryChainageStates(projectId, fromRouteId, toRouteId);
+    carryChainageStates(projectId, fromRouteId, toRouteId, pipeAt);
   // 옮긴 고침을 새 상세 설계 칸에 — 같은 [저장]의 횡단 패치가 실음(사면 쉬프트 · 조절 · 소단 깊이 · 417)
   withDraftAdjusts(detail, projectId, toRouteId);
   withCarriedEdits(detail, projectId, toRouteId);
diff --git a/B06_Section/B06_Section_Station_Keys.ts b/B06_Section/B06_Section_Station_Keys.ts
index 5c43e45bb..9b22107bc 100644
--- a/B06_Section/B06_Section_Station_Keys.ts
+++ b/B06_Section/B06_Section_Station_Keys.ts
@@ -387,20 +387,28 @@ const CHAINAGE_HEAD = /^(b?)(-?\d+(?:\.\d+)?)(:.*)?$/;
  * 노선 저장 뒤(새 노선 측점 열쇠를 세운 뒤) 누가거리 열쇠 칸(`ROUTE_CARRY_STATES` 중 측점 열쇠 칸 빼고)을 옛 노선
  * → 새 노선 측점으로 옮김 — 옛 누가거리 → 옛 측점 열쇠 → 새 누가거리. 구조물 조절은 관 · 구조물 열쇠만 ·
  * 못 옮긴 고침은 버림. 돌려주는 값 = 버린 측점 수(「노선 밖 고침」 · 측점 단위).
+ * `facilityAt` = 관 · 구조물 열쇠 → 새 노선 누가거리(관 id 규칙이 갈림 — 세션 `pipe-s3` · 계산 줄 `pipe:p8017`).
  */
 export function carryChainageStates(
   projectId: string,
   fromRouteId: number,
   toRouteId: number,
+  facilityAt: (key: string) => number | null | undefined = () => null,
 ): number {
   const outside = new Set<string>();
   const moveAt = (state: string, text: string): string | null => {
     const stable = keyAt(projectId, fromRouteId, Number(text));
     const structural = stable.startsWith("pipe:") || stable.startsWith("structure:");
+    // 새 목록에 그 열쇠가 없으면 그 시설의 새 자리 · 없으면 같은 자리 측점(초안 측점 = 저장 측점)
     const toAt =
       stable.startsWith("at:") || (STRUCTURE_STATES.has(state) && !structural)
         ? null
-        : chainageOfKey(projectId, toRouteId, stable);
+        : chainageOfKey(
+            projectId,
+            toRouteId,
+            stable,
+            (structural ? facilityAt(stable) : null) ?? Number(text),
+          );
     if (toAt === null) outside.add(stable);
     return toAt === null ? null : chainageKey(toAt);
   };
diff --git a/resources/tester/helper_346_3_route_save.cjs b/resources/tester/helper_346_3_route_save.cjs
index 49939ffff..5ae056f50 100644
--- a/resources/tester/helper_346_3_route_save.cjs
+++ b/resources/tester/helper_346_3_route_save.cjs
@@ -54,6 +54,10 @@ const STUBS = {
     withDraftAdjusts: (_d, _p, routeId) => calls.push(`adjusts:${routeId}`),
     withCarriedEdits: (_d, _p, routeId) => calls.push(`edits:${routeId}`),
   },
+  "../B04_PreProcess/B04_PreProcess_Api_Fetch": {
+    fetchDetailPipePoints: async () => (calls.push("pipes"), { pipe_points: [] }),
+  },
+  "../A00_Common/design/design_pipe_ids": { pipeChainageOf: () => null },
   "./B05_Profile_Api_Fetch": { clearRouteLatestCache: () => calls.push("latest:clear") },
   "./B05_Profile_Api_Replan": {
     replanRoute: async (_p, body) => {
diff --git a/resources/tester/helper_417_entry.ts b/resources/tester/helper_417_entry.ts
index d74ce26ea..080b74230 100644
--- a/resources/tester/helper_417_entry.ts
+++ b/resources/tester/helper_417_entry.ts
@@ -4,6 +4,7 @@
 export {
   carryChainageStates,
   carryStationDrafts,
+  useStationKeyList,
   useStationKeys,
 } from "../../B06_Section/B06_Section_Station_Keys";
 export {
diff --git a/resources/tester/helper_417_route_carry.mjs b/resources/tester/helper_417_route_carry.mjs
index 1a641a29a..b22080dc6 100644
--- a/resources/tester/helper_417_route_carry.mjs
+++ b/resources/tester/helper_417_route_carry.mjs
@@ -123,4 +123,28 @@ const pick = (entry) =>
 out.input40 = pick(source?.input.byKey["grid:2"]);
 out.input20 = pick(source?.input.byKey["grid:1"]);
 
+/* 5. 관 id 규칙이 갈림(옛 목록 세션 id · 새 목록 저장 관 id) — 시설 자리 풀이로 옮김 · 없으면 버림 */
+const R3 = 9;
+const R4 = 10;
+const list = [
+  { key: "end:BP", chainageM: 0 },
+  { key: "grid:1", chainageM: 20 },
+  { key: "grid:2", chainageM: 40 },
+  { key: "pipe:p9", chainageM: 52 },
+  { key: "end:EP", chainageM: 60 },
+];
+m.useStationKeyList(P, R3, list);
+m.useStationKeyList(P, R4, list);
+m.writeState("pipe-ids", { next: 2, ids: [{ id: "pipe-s1", at: 45 }] }, P);
+m.useStationKeys(
+  P,
+  R,
+  detailOf([section(0, "bp"), section(45, "irregular", pipe), section(60, "ep")]),
+);
+m.writeState("revetx", { "45.00:outlet": wall }, P, R);
+m.carryChainageStates(P, R, R3, (key) => (key === "pipe:pipe-s1" ? 52 : null));
+m.carryChainageStates(P, R, R4);
+out.splitResolved = raw("revetx", R3);
+out.splitDropped = raw("revetx", R4);
+
 process.stdout.write(JSON.stringify(out));
diff --git a/resources/tester/test_346_3_route_save_screen.py b/resources/tester/test_346_3_route_save_screen.py
index 34f529b81..edf2a86c1 100644
--- a/resources/tester/test_346_3_route_save_screen.py
+++ b/resources/tester/test_346_3_route_save_screen.py
@@ -79,6 +79,7 @@ def test_초안_넘김_차례(out):
         "invalidate:9",
         "load:9",
         "keys:9:9",
+        "pipes",  # 관 열쇠 → 새 자리(서버가 옮긴 관)
         "carry:7->9:quiet",
         "carryAt:7->9",  # 417 — 조절 · 측점 폭 · 상세 표도 새 노선 측점으로
         "adjusts:9",
diff --git a/resources/tester/test_417_route_carry.py b/resources/tester/test_417_route_carry.py
index 18abc4fda..9062fbcb1 100644
--- a/resources/tester/test_417_route_carry.py
+++ b/resources/tester/test_417_route_carry.py
@@ -98,6 +98,11 @@ def test_조절은_관_따라_옮김_일반_측점_옹벽은_버림(out):
     assert out["chainageOutside"] == 1  # 40 m 옹벽 조절(일반 측점)
 
 
+def test_관_id_규칙이_갈려도_시설_자리로_옮김(out):
+    assert out["splitResolved"] == {"52.00:outlet": {"x": 0.3, "d": None, "h": 1.5, "m": None}}
+    assert out["splitDropped"] == {}  # 풀이 없음 = 같은 자리 측점 없음 → 버림
+
+
 def test_새_상세_설계_칸에_얹힘(out):
     d40, d47 = out["design40"], out["design47"]
     assert d40["shoulder_extend_left_m"] == 0.5 and d40["berm_depth_right_m"] == 1.2