diff --git a/resources/data_work_item_master/_manifest.json b/resources/data_work_item_master/_manifest.json
index e4ffddd8..3b8bd597 100644
--- a/resources/data_work_item_master/_manifest.json
+++ b/resources/data_work_item_master/_manifest.json
@@ -1,7 +1,7 @@
 {
  "schema_version": "1.0",
  "dataset_id": "data_work_item_master_manifest",
- "generated_at": "2026-09-14T13:07:44+09:00",
+ "generated_at": "2026-09-14T14:28:19+09:00",
  "built_by": "B08_Quantity/B08_Quantity_Build_WorkItemMaster.py",
  "source": {
   "dataset_id": "pum_forest",
@@ -12,8 +12,8 @@
  "files": [
   {
    "file": "work_item_master_2026-01-01.json",
-   "sha256": "83efe531a6956f15696a4042dde1e13f37e25b26597e128b946d3f051b600fb6",
-   "size_bytes": 837285
+   "sha256": "f3e4367188b209bcb064f99825e55ecf5b9c7caafb6d6a37c7d6b179cd7fb91c",
+   "size_bytes": 838069
   },
   {
    "file": "form_undetermined_2026-01-01.json",
diff --git a/resources/data_work_item_master/work_item_master_2026-01-01.json b/resources/data_work_item_master/work_item_master_2026-01-01.json
index b35b1d9b..2652a725 100644
--- a/resources/data_work_item_master/work_item_master_2026-01-01.json
+++ b/resources/data_work_item_master/work_item_master_2026-01-01.json
@@ -3,7 +3,7 @@
  "dataset_id": "work_item_master_forest",
  "effective_date": "2026-01-01",
  "pum_edition": "2026-01-01",
- "generated_at": "2026-09-14T13:07:44+09:00",
+ "generated_at": "2026-09-14T14:28:19+09:00",
  "dataset_version": {
   "dataset_id": "pum_forest",
   "effective_date": "2026-01-01",
@@ -28351,7 +28351,14 @@
      "formula_rows": [],
      "special_glyphs": [],
      "capacity_formula_here": false,
-     "variant_key": [],
+     "variant_key": [
+      "절토면 · 모래ㆍ사질토ㆍ점토ㆍ점질토",
+      "절토면 · 연질토ㆍ불순자갈",
+      "절토면 · 호박돌 섞인 고결토ㆍ경질토",
+      "절토면 · 풍화암",
+      "절토면 · 연암",
+      "절토면 · 보통암ㆍ경암"
+     ],
      "condition_note": [
       "토 질 별",
       "구 분"
@@ -28425,7 +28432,10 @@
      "formula_rows": [],
      "special_glyphs": [],
      "capacity_formula_here": false,
-     "variant_key": [],
+     "variant_key": [
+      "성토면 · 인력 · 점토 또는 점질토",
+      "성토면 · 인력 · 모래 또는 사질토"
+     ],
      "condition_note": [
       "시 공",
       "토 질",
@@ -28462,7 +28472,16 @@
      ]
     }
    ],
-   "variant_keys": []
+   "variant_keys": [
+    "절토면 · 모래ㆍ사질토ㆍ점토ㆍ점질토",
+    "절토면 · 연질토ㆍ불순자갈",
+    "절토면 · 호박돌 섞인 고결토ㆍ경질토",
+    "절토면 · 풍화암",
+    "절토면 · 연암",
+    "절토면 · 보통암ㆍ경암",
+    "성토면 · 인력 · 점토 또는 점질토",
+    "성토면 · 인력 · 모래 또는 사질토"
+   ]
   },
   {
    "work_item_code": "FP-09-19-02",