Removal/Retrieval of Faulty/Detective Submersible Pump-Motor Sets

• Country: UAE
• Summary: Removal/Retrieval of Faulty/Detective Submersible Pump-Motor Sets
• AET Ref No: 51152566
• Deadline: 15 Mar 2021
• Financier: Self Financed
• Purchaser Ownership: -
• Tender Value: Refer Document
• Notice Type: Tender
• Document Ref. No.: 2332100500
• Purchaser's Detail:

Purchaser : DUBAI ELECTRICITY & WATER AUTHORITY (DEWA)
P.O. Box: 564 Dubai, Tel: +971-46019999, Fax: +971-46019995
Email :customercare@dewa.gov.ae
URL :http://www.dewa.gov.ae

• Description:
• Quotation are invited for Removal/Retrieval of Faulty/Detective Submersible Pump-Motor Sets. Removal/Retrieval of Faulty/D 1032100488rfx Description. Removal/Retrieval of faulty/detective submersible pump-motor sets withGI raiser pipes, dipping tube and its fittings from the wells andinstallation of the same on the same well for MARGAM, WAHOOSH, NAJWA,HABAB & AWEER WELLFIELD. REMOVAL/RETRIEVAL OF FAULTY/DETECTIVE SUBMERSIBLE PUMP-MOTOR SETS WITH GI RAISER PIPES, DIPPING TUBE AND ITS FITTINGS FROM THE WELLS AND INSTALLATION OF THE SAME ON THE SAME WELL FOR MARGHAM, NAJWA, HABAB & WAHOOSH WELLFIELD PLEASE CONTACT MR. REHMAN (050-5340018 ) FOR FURTHER CLARIFICATIONS. 1.0#SCOPE OF WORK THE SCOPES OF WORKS FOR THE PREVENTIVE & CORRECTIVE MAINTENANCE OF THE WAHOOSH & M ARGHAM WELL FIELD ARE FOLLOWS. #SUBMERSIBLE PUMP-MOTOR SPECIFICATIONS ·#CAPACITY:##7.5 # 20 M3/HR, MOTOR-15 KW. ·#HEAD:###288 # 147 M ·#RPM:###3500 #DETAILS OF WELLS ·#THE TOTAL NO OF WELLS - 40NO#S ·#THE AVERAGE DEPTH OF WELLS- 300FT. ·#GI PIPE DIAMETER 3# (EACH 10FT LENGTH). SCOPE OF WORKS (MECHANICAL) A.#REMOVAL/RETRIEVAL OF FAULTY/DETECTIVE SUBMERSIBLE PUMP-MOTOR SETS WITH GI RAISERPIP ES, DIPPING TUBE AND ITS FITTINGS FROM THE WELLS AND SHIFTING THE PUMP-MOTOR SETS ALONG WITH PIPES TO WORKSHOP FOR REPAIRING / MAINT ENANCE PURPOSE IF REQUIRED, AS DIRECTED BY THE DEWA ENGINEERS. B.#INSTALLATION OF SUBMERSIBLE PUMP-MOTOR SET IN THE BORE WELL ALONG WITH REPLACEMENT OF GI RAISER PIPES, DIPPING TUBES AND PIPE FITTINGS. C.#REPLACEMENT OF PUMP OUTLET CONNECTION ALONG WITH ENTIRE FIT TINGS LIKE- GATE VALVES, UNION. SOCKET, FLOW METER, NRV, AIR RELEASE VALVES ETC. IF REQUIRES. D.#EXISTING DIPPIING TUBE & LEVEL RELA Y SHALL BE REPLACED IF FOUND DAMAGE OTHERWISE SAME WILL BE INSTALLED IN THE RESPECTIVE WELL. E.#THE WELL NOT HAVING DIPPING TUBE SHA LL BE INSTALLED AND WFO (WELL FIELD OPERATION, DEWA) WILL TEST THE DYNAMIC & STATIC LEVEL. ONCE WFO SATISFIED, THE PUMP WILL BE RETR IEVED AGAIN, ADD THE LEVEL RELAY AND REINSTALL THE PUMP. F.#INSTALLATION OF METAL / PVC PIPES FOR WELL CONNECTION AND CONSUMER CONNE CTION, IF REQUIRES. G.#MODIFICATION OF THE EXISTING SYSTEM AS PER SITE REQUIREMENT IF REQUIRES H.#WELL FLUSHING AND INSTALLATION OF CASING INSIDE THE EXISTING WELLS, IF REQUIRES. I.#PERFORMANCE TESTING OF THE WELL. SCOPE OF WORKS (ELECTRICAL) DETAILS OF ELECTRI CAL SCOPE OF WORKS ON SUBMERSIBLE PUMP RETRIEVAL & RE-INSTALLATION Ø#UPON RECEIVING THE MOTOR AND CABLES THE CONTRACTOR ELECTRICIAN HAS TO CHECK FOR ANY PHYSICAL DAMAGE, IF ANY REPORT THE SAME IMMEDIATELY TO DEWA REPRESENTATIVES. Ø#INSULATION RESISTANCE TEST SHALL BE CARRIED OUT ON MOTORS AND CABLES BEFORE AND AFTER INSTALLING THE PUMP USING AN INSULATION MEASURING UNIT ( 500 VDC) AND ENSURE T HAT THE BELOW MINIMUM INSULATION RESISTANCE ( 500 VDC;1 MIN;20 DEGREE C) WITH EXTENSION CABLE -#FOR A NEW MOTOR 4 M EGA OHM -#FOR A USED MOTOR 1 MEGA OHM AFTER INSTALLATION OF THE PUMP AND BEFORE CONNECTING THE MOTOR LEADS TO THE STARTERS THE FOLLOWING POINTS HAS TO BE CHECKED AND VERIFIED. Ø#STARTER HAS TO BE CHECKED FOR PROPER VOLTAGE LEVEL (380 # 400 VAC & THE VOLTAGE TOLERANCE -10% TO +6% FOR 50 HZ) AT INCOMER MCCB AND MOTOR LEAD CONNECTION TERMINALS. Ø#PROPER OPERATION OF THE LEVEL R ELAY, ELCB, AND OLR HAS TO BE SIMULATED AND CHECKED. Ø#OVERLOAD RELAY SETTING HAS TO BE ADJUSTED ACCORDING THE MOTOR CURRENT. Ø#MOTO R LEADS TO BE CONNECTED TO THE DOL STARTER AND TEST RUN TO BE CONDUCTED. Ø#VERIFY DIRECTION OF MOTOR ROTATION AND CORRECT THE SAME I F REQUIRED. Ø#PUMP INSTALLATION / RETRIEVAL REPORT HAS TO BE FILLED PROPERLY AND HAS TO BE RETURNED TO THE DEWA REPRESENTATIVES. Ø#I F ANY DIFFICULTY ARISES DURING THE INSTALLATION / RETRIEVAL, THE SAME MUST BE REPORT TO DEWA REPRESENTATIVE IMMEDIATELY. Ø#IN PUMP R ETRIEVAL CASE THE PUMP- MOTOR SET, PUMP DROP CABLE AND LEVEL WIRES HAS TO BE COILED IN PROPER WAY AND HANDED OVER TO DEWA REPRESENTA TIVES FOR INSPECTION, TESTING AND REPAIR. Ø#ALL ELECTRICAL WORKS CARRIED OUT MUST BE COMPLIED WITH DEWA STANDARD & TERMS AND CONDITI ONS. 2.0#PRIOR TO SUBMISSION OF QUOTATION, THE FOLLOWING SHALL BE DETERMINED CAREFULLY: A.#THE CONTRACTOR SHALL VISIT THE SITE AND MAKE HIMSELF FULLY FAMILIAR WITH THE WORK SCOPES, COMPLEXITIES, ETC., BEFORE SUBMITTING THE QUOTATION. B.#DEWA WILL NOT ACCEPT A NY CLAIM FOR EXTRAS BEYOND THE ORDER RATES / PRICES DURING AND AFTER THE EXECUTION OF WORK ORDERED. C.# THE CONTRACTOR SHOULD SUBMIT THE TIME SCHEDULE /BAR CHART INDICATING EACH ACTIVITY. D.#ON COMPLETION OF THE WORK, THE INSPECTION CHECKLIST OF QUALITY PROCEDURES , WHEREVER APPLICABLE SHOULD BE FILLED IN AND SUBMITTED. 4.0#TAKE OVER ON COMPLETION OF ALL WORK WITHIN THE SCOPE OF THE CONTRACT, FOR ACCEPTANCE OF THE MAINTENANCE WORK, CONTRACTOR SHALL NOTIFY DEWA IN WRITING. A CERTIFICATE OF COMPLETION WILL BE ISSUED BY DEWA ON FINAL INSPECTION ONLY WHEN THE CONTRACT WORK IS DEEMED TO HAVE BEEN TAKEN OVER BY DEWA AFTER NECESSARY CONDITION MONITORING CHEC KS WHEREVER & WHENEVER REQUIRED. 5.0#WARRANTY A.#ALL THE WORK CARRIED OUT SHALL CARRY A WARRANTY FOR 8000 HOURS OF OPERATION OR 1 YEAR WHICHEVER IS EARLIER. B.#THE GUARANTEE WILL TAKE EFFECT FROM THE DATE OF TAKEOVER BY DEWA OF THE JOB CARRIED OUT BY THE CONTR ACTOR. C.#WHEN A DEFECT IS NOTICED DURING THE PERIOD OF WARRANTY, THE CONTRACTOR MUST RECTIFY THE DEFECT WITHIN A REASONABLE AMOUNT OF TIME FIXED BY DEWA WITH NO CLAIM OR COMPENSATION. 6.0#DOCUMENTS: # ON SATISFACTORY COMPLETION OF THE WORK & HANDING OVER, THE C ONTRACTOR SHOULD SUBMIT THE FOLLOWING TO DEWA. ## A.#INSPECTION REPORT. B.#REPAIR/ACTION REPORT. C.#METHOD STATEMENT OF THE REPAIRING WORKS. D.#PHOTOS OF WELLS AFTER RETRIEVAL & BEFORE INSTALLATION. E.#ALL TEST REPORTS. STANDARD TERMS & CONDITIONS 1) Prices should be `DDP` delivery duty paid at DEWA stores. 2) Quotation to be submitted only in local currency U.A.E Dirhams 3) DEWA Standard payment terms is `30 days credit` from the date of acceptance of material 4) No DEWA staff or his or her relatives up to third degree should have ownership or partnership in your company, and your participation in DEWA tenders / RFQs should not constitute a Conflict or perceived Conflict of Interest.
• Documents:

 Tender Notice