diff --git a/src/main/java/geoinfo/drilling/input/DrillingInputController.java b/src/main/java/geoinfo/drilling/input/DrillingInputController.java
index 56cad1e3..1d4f1bf2 100644
--- a/src/main/java/geoinfo/drilling/input/DrillingInputController.java
+++ b/src/main/java/geoinfo/drilling/input/DrillingInputController.java
@@ -455,4 +455,83 @@ public class DrillingInputController {
 		
 		return jsonResult; // @ResponseBody이므로 반환 값은 필요 없습니다.
 	}
+	
+	/**
+	 * 발주기관 건설현장 삭제처리
+	 * @param request
+	 * @param strJSON
+	 * @param response
+	 * @return
+	 */
+	@RequestMapping(value = "/drilling/input/delete.do", method = RequestMethod.POST)
+    @ResponseBody
+    public JSONObject drillingInputDelete(HttpServletRequest request,@RequestParam HashMap<String,Object> params, HttpServletResponse response) {
+		
+		JSONObject jSONOResponse = new JSONObject();
+		
+		System.out.println(
+			"\n--------------------------------------------------------------\n" +
+            request.getRequestURI() + " IN:" +
+            "\n--------------------------------------------------------------\n" +
+//            "jstrJSON: \n" + strJSON + "\n" +
+            "params: \n" + params + "\n" +
+            "\n--------------------------------------------------------------\n"
+        );
+		
+        JSONParser jsonParser = new JSONParser();
+        JSONArray jsonArr = null;
+        boolean isFail = false;
+        String failMsg = "";
+        
+        try {
+        	
+//        	HashMap<String, Object> hashMap = drillingInputService.drillingInputDel(request, response, params);
+        	drillingInputService.drillingInputDel(request, response, params);
+        	int nRetCode 		= MyUtil.getIntegerFromObject(params.get("v_RetCode"));
+        	String lpszRetMsg 	= MyUtil.getStringFromObject(params.get("v_RetMsg"));
+        	
+        	if( nRetCode == 100 ) {
+        		jSONOResponse.put("resultCode", nRetCode);
+        		jSONOResponse.put("result", "true");
+	            jSONOResponse.put("message", "삭제가 완료되었습니다.");
+        	} else {
+        		jSONOResponse.put("resultCode", nRetCode);
+        		jSONOResponse.put("result", "false");                		
+	            jSONOResponse.put("message",  lpszRetMsg);
+
+	            isFail = true;    		            
+	            failMsg = lpszRetMsg;
+        	}
+        	
+		} catch (Exception e) {					
+			// TODO Auto-generated catch block
+            String strTxt =
+                    "---------- BUG REPORTING START ----------" + "\n" +
+                    "에러 문구:[" + request.getRequestURI() + " " + "]" + "\n" +
+                    "params:[\n" + params + "\n]\n" +
+                    "e.getMessage():[\n" + e.getMessage() + "\n]\n" + "\n" +
+                    "new Date().toString():[" + new Date().toString() + "]\n" + "\n" +
+                    "---------- BUG REPORTING END ----------" + "\n" +
+                    "";
+            System.out.println(strTxt);
+            jSONOResponse.put("resultCode", -1);
+            jSONOResponse.put("result", "false");
+            jSONOResponse.put("message",  e.getMessage());
+        }
+        
+        if( isFail ) {
+            jSONOResponse.put("resultCode", -2);
+            jSONOResponse.put("result", "false");
+            jSONOResponse.put("message",  failMsg);        	
+        }
+        
+        System.out.println("\n--------------------------------------------------------------\n" +
+                request.getRequestURI() + " OUT:" +
+                "\n--------------------------------------------------------------\n" +
+                "jSONOResponse.toJSONString():[" + jSONOResponse.toJSONString() + "]\n" +
+                "\n--------------------------------------------------------------\n");
+
+        return jSONOResponse;
+    }
+
 }
diff --git a/src/main/java/geoinfo/drilling/input/service/DrillingInputMapper.java b/src/main/java/geoinfo/drilling/input/service/DrillingInputMapper.java
index 5a0b65c8..3691b1f1 100644
--- a/src/main/java/geoinfo/drilling/input/service/DrillingInputMapper.java
+++ b/src/main/java/geoinfo/drilling/input/service/DrillingInputMapper.java
@@ -10,6 +10,7 @@ import egovframework.rte.psl.dataaccess.util.EgovMap;
 @Mapper("drillingInputMapper")
 public interface DrillingInputMapper  {	
 	public HashMap<String, Object> spAddTblCsi(HashMap<String, Object> params) throws SQLException;
+	public HashMap<String, Object> spDelTblCsi(HashMap<String, Object> params) throws SQLException;
 	public String test(HashMap<String, Object> params) throws SQLException;
 	public Long findConstCompanyCodeByConstCompanyName(HashMap<String, Object> params) throws SQLException;
 	
diff --git a/src/main/java/geoinfo/drilling/input/service/DrillingInputService.java b/src/main/java/geoinfo/drilling/input/service/DrillingInputService.java
index 8992e0ed..c720ed05 100644
--- a/src/main/java/geoinfo/drilling/input/service/DrillingInputService.java
+++ b/src/main/java/geoinfo/drilling/input/service/DrillingInputService.java
@@ -16,6 +16,7 @@ import egovframework.rte.psl.dataaccess.util.EgovMap;
 public interface DrillingInputService {
 	HashMap<String, Object> getOrganizationUserGlGmGsGfCodes(String userId) throws Exception;
 	HashMap<String, Object> drillingInputAdd(HttpServletRequest request, HttpServletResponse response, HashMap<String, Object> params) throws Exception;
+	HashMap<String, Object> drillingInputDel(HttpServletRequest request, HttpServletResponse response, HashMap<String, Object> params) throws Exception;
 	List<EgovMap> selectConstructCompanyList(HashMap<String, Object> params) throws Exception;
 	Map<String, Object> selectConstructUserInfo(HashMap<String, Object> params) throws Exception;
 	void getDepartments(HttpServletRequest request, HashMap<String, Object> params, JSONObject jsonResponse) throws Exception;
diff --git a/src/main/java/geoinfo/drilling/input/service/impl/DrillingInputServiceImpl.java b/src/main/java/geoinfo/drilling/input/service/impl/DrillingInputServiceImpl.java
index 7659f36f..b20d1908 100644
--- a/src/main/java/geoinfo/drilling/input/service/impl/DrillingInputServiceImpl.java
+++ b/src/main/java/geoinfo/drilling/input/service/impl/DrillingInputServiceImpl.java
@@ -119,6 +119,31 @@ public class DrillingInputServiceImpl implements DrillingInputService {
 		
 	}
 
+	@Override
+	public HashMap<String, Object> drillingInputDel(HttpServletRequest request, HttpServletResponse response, HashMap<String, Object> params) throws Exception {
+		params.put("CID", params.get("cid"));
+
+		JSONObject tempConstructSiteInfo = drillingInquiryService.drillingInquiryOneItem(request, params);
+		// JSONObject를 HashMap으로 변환
+		ArrayList<EgovMap> arrayList = (ArrayList<EgovMap>) MyUtil.JSONObjectToHashMap( tempConstructSiteInfo ).get("datas");
+        HashMap<String, Object> oldTempConstructSiteInfo = new HashMap<String, Object>(arrayList.get(0));
+
+		// 기업사용자 입력 진행 여부: !NULL -> 입력 전, NULL -> 입력 중(삭제불가)
+		EgovMap constCompanyProjectWriting = drillingInputMapper.selectConstructCompanyProjectWriting(oldTempConstructSiteInfo);
+		if (!"0".equals(oldTempConstructSiteInfo.get("projectStateCode")) && constCompanyProjectWriting == null) {	// 5-1)
+			params.put("v_RetCode", 11);
+			params.put("v_RetMsg", "해당 프로젝트는 기업 사용자가 입력을 시작하였으므로 삭제가 불가합니다.");
+			return params;
+		} else {									// 5-2)
+			deleteTempMetaInfo(oldTempConstructSiteInfo);
+			deleteTempProjectInfo(oldTempConstructSiteInfo);
+			oldTempConstructSiteInfo.put("PROJECT_STATE_CODE", "0");
+			updateTempConstructSiteInfoSetPROJECT_CODE_NULL(oldTempConstructSiteInfo);
+			params = drillingInputMapper.spDelTblCsi(params);
+		}
+		return params;
+	}
+	
 	@Override
 	public List<EgovMap> selectConstructCompanyList(HashMap<String, Object> params) throws Exception {
 		List<EgovMap> list = new ArrayList<EgovMap>();
diff --git a/src/main/resources/egovframework/sqlmap/mapper/drilling/input/DrillingInputMapper.xml b/src/main/resources/egovframework/sqlmap/mapper/drilling/input/DrillingInputMapper.xml
index 0cf24483..f9a0a1a1 100644
--- a/src/main/resources/egovframework/sqlmap/mapper/drilling/input/DrillingInputMapper.xml
+++ b/src/main/resources/egovframework/sqlmap/mapper/drilling/input/DrillingInputMapper.xml
@@ -40,6 +40,14 @@
 		        #{v_RetMsg, mode=OUT, jdbcType=VARCHAR}
 		    ) }
 	</select>
+    
+	<select id="spDelTblCsi" parameterType="map" statementType="CALLABLE" resultMap="spAddTblCsiResult">
+	{ CALL SP_DEL_TBL_CSI(
+		        #{cid},
+		        #{v_RetCode, mode=OUT, jdbcType=INTEGER}, 
+		        #{v_RetMsg, mode=OUT, jdbcType=VARCHAR}
+		    ) }
+	</select>
 
 	<select id="test" parameterType="map" resultType="string">
 		SELECT 'Hello, ' || 'World!' AS Greeting FROM DUAL
@@ -229,6 +237,9 @@
 		      ,CONST_COMPANY_ADMIN 	= NULL
 		      ,CONST_COMPANY_TEL 	= NULL
 		      ,CONST_USERID		 	= NULL
+	      <if test='PROJECT_STATE_CODE != null and PROJECT_STATE_CODE !=""'>
+		      ,PROJECT_STATE_CODE	= '0'
+	      </if>
 		WHERE  PROJECT_CODE = #{projectCode}
 	</update>
 	
diff --git a/src/main/webapp/WEB-INF/views/drilling/input/drilling_input.jsp b/src/main/webapp/WEB-INF/views/drilling/input/drilling_input.jsp
index 99006af8..b27c24ac 100644
--- a/src/main/webapp/WEB-INF/views/drilling/input/drilling_input.jsp
+++ b/src/main/webapp/WEB-INF/views/drilling/input/drilling_input.jsp
@@ -484,29 +484,6 @@ if (request.getSession().getAttribute("CLS") == null || "2".equals(request.getSe
 						if (!confirm("건설사에서 입력중인 경우 입력내용이 삭제됩니다. 건설사를 미지정하시겠습니까?")) {
 							return;
 						} else {
-// 					        $.ajax({
-// 					            type: 'POST',
-// 					            url: '/drilling/input/uncheckConstCompany.do',
-// 					            dataType: 'json',
-// 					            data: {
-// 					            	projectCode: orgPrjCd,
-// 					            	encUserId: orgConstUsr
-// 					            },
-// 					            success: function (json) {
-// 									if(json.result == "SUCCESS") {
-// 										alert(json.message);
-// 										orgConstUsr = "";
-// 										document.getElementById('const-user-id-1').value = ''
-// 									} else {	//json.result == "FAIL"
-// 										alert(json.message);
-// 										return;
-// 									}
-// 					            }, error: function(res) {
-// 					            	alert(res);
-// 					            	console.log(res);
-// 					            	return;
-// 					            }
-// 					        });
 							document.getElementById('const-user-id-1').value = ''
 						}
 					}
@@ -535,6 +512,31 @@ if (request.getSession().getAttribute("CLS") == null || "2".equals(request.getSe
 				}
 	        });
 	    });
+ 	  	 
+		/**
+		 * 건설현장 삭제처리
+		 */
+		document.getElementById('btn-delete').addEventListener('click', function() {
+			if (!confirm("건설현장 정보를 삭제하시겠습니까?")) return;
+	    	const cid = getQueryString('CID');
+	        $.ajax({
+	            type: 'POST',
+	            url: '/drilling/input/delete.do',
+	            data: {
+	            	cid: cid
+	            },
+	            success: function (json) {
+	            	console.log(json)
+	            	var result = json;
+	            	if (result.resultCode == 100) {
+	            		alert(result.message);
+						window.location.href='/drilling/inquiry.do';
+	            	} else {
+	            		alert(result.message);
+	            	}
+	            }
+	        });
+ 	    })
 	});
 	
 	// 사업 등록 처리