diff --git a/src/main/resources/mappers/pwrGnrSimulation/pwrGnrSimMapper.xml b/src/main/resources/mappers/pwrGnrSimulation/pwrGnrSimMapper.xml
index 7d89fc58..c49984e5 100644
--- a/src/main/resources/mappers/pwrGnrSimulation/pwrGnrSimMapper.xml
+++ b/src/main/resources/mappers/pwrGnrSimulation/pwrGnrSimMapper.xml
@@ -68,34 +68,41 @@
     <select id="selectRoofItemList" parameterType="com.interplug.qcast.biz.pwrGnrSimulation.dto.PwrGnrSimRequest"
             resultType="com.interplug.qcast.biz.pwrGnrSimulation.dto.PwrGnrSimRoofResponse">
         /* sqlid : com.interplug.qcast.api.pwrGnrSimulation.selectRoofItemList (견적서 지붕재 아이템 정보 조회) */
-        SELECT
-              A.ROOF_SURFACE_ID
-             , B.ITEM_ID
-             , B.AMOUNT
-             , B.ITEM_NO
-             , ISNULL((B.AMOUNT * TRY_CAST(B.SPECIFICATION AS FLOAT)), 0) AS TOT_SPECIFICATION /* 용량 */
-             , C.ITEM_GROUP
-            /* 추후 지붕재테이블로 봐야함. */
-             , C.TEMP_LOSS
-             , C.TEMP_COEFF
-             , C.CNV_EFF
-             , C.AMP
-             , B.SPECIFICATION
-             , A.ROOF_SURFACE
-             , A.CLASS_TYPE
-             , A.AZIMUTH
-             , (CASE WHEN A.CLASS_TYPE = 0 THEN A.SLOPE ELSE A.ANGLE END) AS SLOPE_ANGLE
-             , (CASE WHEN A.CLASS_TYPE = 0 THEN CAST(CAST(A.SLOPE AS INT)AS VARCHAR) + '寸' ELSE CAST(CAST(A.ANGLE AS INT)AS VARCHAR) + N'º' END) AS SLOPE_ANGLE_TXT
-        FROM  T_PART_ROOF_ESTIMATE A WITH (NOLOCK)
-        INNER JOIN T_PART_ROOF_ITEM_ESTIMATE B WITH (NOLOCK)
-            ON A.OBJECT_NO = B.OBJECT_NO
-            AND A.PLAN_NO = B.PLAN_NO
-            AND A.ROOF_SURFACE_ID = B.ROOF_SURFACE_ID
-        INNER JOIN M_ITEM C WITH (NOLOCK)
-            ON B.ITEM_ID = C.ITEM_ID
-        WHERE A.OBJECT_NO = #{objectNo}
-        AND A.PLAN_NO = #{planNo}
-        AND C.ITEM_GROUP = #{itemGroup}
-        ORDER BY B.SPECIFICATION DESC
+        SELECT T.*
+        FROM (
+            SELECT
+                  A.ROOF_SURFACE_ID
+                 , B.ITEM_ID
+                 , SUM(B.AMOUNT) AS AMOUNT
+                 , B.ITEM_NO
+                 , ISNULL((SUM(B.AMOUNT) * TRY_CAST(MAX(B.SPECIFICATION) AS FLOAT)),0) AS TOT_SPECIFICATION /* 용량 */
+                 , MAX(C.ITEM_GROUP) AS ITEM_GROUP /* 추후 지붕재테이블로 봐야함. */
+                 , MAX(C.TEMP_LOSS) AS TEMP_LOSS
+                 , MAX(C.TEMP_COEFF ) AS TEMP_COEFF
+                 , MAX(C.CNV_EFF) AS CNV_EFF
+                 , MAX(C.AMP) AS AMP
+                 , MAX(B.SPECIFICATION) AS SPECIFICATION
+                 , A.ROOF_SURFACE AS ROOF_SURFACE
+                 , A.CLASS_TYPE AS CLASS_TYPE
+                 , A.AZIMUTH AS AZIMUTH
+                 , (CASE
+                        WHEN A.CLASS_TYPE = 0 THEN A.SLOPE
+                        ELSE A.ANGLE END) AS SLOPE_ANGLE
+                 , (CASE
+                        WHEN A.CLASS_TYPE = 0 THEN CAST(CAST(A.SLOPE AS INT)AS VARCHAR) + '寸'
+                        ELSE CAST(CAST(A.ANGLE AS INT)AS VARCHAR) + N'º' END) AS SLOPE_ANGLE_TXT
+            FROM  T_PART_ROOF_ESTIMATE A WITH (NOLOCK)
+            INNER JOIN T_PART_ROOF_ITEM_ESTIMATE B WITH (NOLOCK)
+                ON A.OBJECT_NO = B.OBJECT_NO
+                AND A.PLAN_NO = B.PLAN_NO
+                AND A.ROOF_SURFACE_ID = B.ROOF_SURFACE_ID
+            INNER JOIN M_ITEM C WITH (NOLOCK)
+                ON B.ITEM_ID = C.ITEM_ID
+            WHERE A.OBJECT_NO = #{objectNo}
+            AND A.PLAN_NO = #{planNo}
+            AND C.ITEM_GROUP = #{itemGroup}
+            GROUP BY A.ROOF_SURFACE_ID, A.ROOF_SURFACE, A.CLASS_TYPE, A.AZIMUTH, A.ANGLE, A.SLOPE, B.ITEM_ID, B.ITEM_NO
+        ) T
+        ORDER BY T.SPECIFICATION DESC
     </select>
 </mapper>
\ No newline at end of file
diff --git a/src/main/resources/template/excel/excel_download_quotation_detail_template.xlsx b/src/main/resources/template/excel/excel_download_quotation_detail_template.xlsx
index b350a1bb..3b142409 100644
Binary files a/src/main/resources/template/excel/excel_download_quotation_detail_template.xlsx and b/src/main/resources/template/excel/excel_download_quotation_detail_template.xlsx differ