Quotation are invited for Replacement of Bladder of Surge Vessel Replacement of Bladder of Sur 1032203436rfx Description Replacement of Bladder of Surge Vessel at NAD AL SHEBA Pumping Staton B-stream along with associated instruments replacement, installation, testing and commissioning activities. Please contact Mr. Noor (md.nooruddin@dewa.gov.ae)/ Mr. Shajahan (shajahan.hame ed@dewa.gov.ae ) for further clarification 1 ITEM-00001 PLEASE CONTACT MR. NOOR (MD.NOORUDDIN@DEWA.GOV.AE)/ MR. SHAJAHAN (SHAJAHAN.HAMEED@DEWA.GOV.AE ) FOR FURTHER CLARIFICATION REMOVAL OF SURGE VESSEL BLADDER,INSTRUMENTS AND SPOOL PIECE ACTIVITIES AT NAD AL SHEBA PUMPING STATION B-STREAM 1.0#INTRODUCTION DUBAI EL ECTRICITY & WATER AUTHORITY (DEWA) OWNS AND OPERATES PUMPING STATIONS AND RESERVOIR COMPLEX FOR DUBAI WATER NETWORK. THE SURGE VESS ELS ARE INSTALLED IN ALL WATER PUMPING STATION WITH BOTH BLADDER AND COMPRESSOR TYPE. PRESENTLY, MAINTENANCE ACTIVITIES NEEDS TO BE CARRIED OUT IN ONE OF THE BLADDER VESSEL IN DIP-1 PS. FOR THE SAID PURPOSE, DEWA WISHES TO OUTSOURCE THE SERVICES TO A REPUTED, WE LL EXPERIENCED UAE GOVERNMENT APPROVED CONTRACTOR. 2.0#QUALIFICATION OF BIDDER 2.1#THE BIDDER SHOULD HAVE ADEQUATE AND PROVEN EXP ERIENCE IN THE PAST IN INSPECTION, MAINTENANCE/REPAIR AND REPLACEMENT OF BLADDER, INSTRUMENTS AND ASSOCIATE UNITS IN THE SURGE VESSE L. 2.2#IN CASE THE BIDDER IS NOT AUTHORIZED THEY HAVE TO CARRY OUT THE ACTIVITIES THROUGH OEM OR ITS AUTHORIZED DEALER. 2.3#HOWEVE R, THE BIDDER SHOULD ESTABLISH HIS PREVIOUS EXPERIENCE IN INSPECTION, MAINTENANCE/REPAIR AND REPLACEMENT OF BLADDER, INSTRUMENTS AND ASSOCIATE UNITS OF SURGE VESSEL INSTALLED IN DEWA PUMPING STATIONS OR POWER PLANT. THIS IS A PRIME REQUISITE FOR QUALIFICATION OF THE BIDDER AND HIS BID. BIDDER SHOULD PROVIDE NECESSARY SUPPORTING DOCUMENT TO PROVE THIS. BIDS NOT MEETING WITH THIS REQUIREMENT W ILL NOT BE CONSIDERED. 2.4#SITE VISIT CAN BE MADE ON ANY WORKING DAY FROM MONDAYTHROUGH THURSDAY BETWEEN 07:30 AND 14:30 HRS. WITH PRIOR APPOINTMENT THROUGH CONCERNED DEWA ENGINEERS. SURGE VESSEL DETAILS EQUIPMENT NAME#SURGE VESSEL# STREAM / SL. NO.#B / 09040 8094# QTY#1# MANUFACTURER / MFG. YEAR#LE RESERVOIR MASSAL / 2009# TYPE / ORIENTATION#BLADDER (HYDROPAN) / VERTICAL# WORKING PRESSURE / DESIGN PRESSURE#6.5 / 9.75# WORKING MEDIUM#POTABLE WATER# CAPACITY#60000 LTRS.# VESSEL THICKNESS / PAINT THICKNESS INTERNAL & EXT ERNAL #12 MM / 300# (BOTH)# SPOOL PIECE / OUTLET FLANGE CONNECTION#DN 500, PN 10# LEVEL GAUGE TYPE#MAGNETIC # 3.0#SCOPE OF WORK THE SCOPE OF WORK INCLUDES THE FOLLOWING 3.1#INSPECTION OF BLADDER, INTERNAL VESSEL AND PAINT CONDITION WITH THE OEM AUTHORIZED TEAM . 3.2#REMOVAL OF DAMAGED BLADDER, INSTRUMENTS AND SPOOL PIECE BELOW THE SURGE VESSEL WITH THE NEW MATERIALS. 3.3#CERTIFICATION AND W ORK COMPLETION REPORT SUBMISSION. 3.4#LINE ITEM TO BE REMOVED A. SURGE VESSEL BLADDER B. VESSEL BOTTOM MS PIPE SPOOL C. MAGNETIC LEV EL GAUGE D. ALL KINDS OF INSTRUMENTS 3.5#THE JOBS CARRIED OUT BY THE CONTRACTOR SHALL BE GUARANTEED FOR A PERIOD OF 10 YEARS AGAINST DEFECTS ARISING OUT OF BAD WORKMANSHIP. 4.0#FACILITIES TO BE PROVIDED BY CONTRACTOR THE FOLLOWING SHALL BE PROVIDED BY THE CONT RACTOR AS PART OF THE CONTRACT WORK. 4.1#REQUIRED SUPERVISORY, SKILLED, SEMI-SKILLED AND UNSKILLED WORK FORCE IN ORDER TO CARRY OUT ALL THE ACTIVITIES. 4.2#HAND AND POWERED TOOLS, RIGGING TOOLS, INSPECTION TOOLS, MATERIAL HANDLING FACILITIES,CRANE,ALIGNMENT JIGS AND FIXTURES, INSPECTION TOOLS, MACHINERY MAINTENANCE TOOLS, HYDRAULIC JACKS, BUILDING OF TEMPORARY SCAFFOLDING/PLATFORMS, ETC. 4. 3#ACCESS LADDERS, SCAFFOLDINGS, HAND AND WORKING LAMPS, TEMPORARY SUPPORTS, CLEANING AGENTS, CONSUMABLE, ETC. 4.4#THE CONTRACTOR AT HIS OWN COST SHALL ARRANGE ALL THE ABOVE MENTIONED REQUIREMENTS. 5.0#PERMISSION TO WORK AT SITE ON A WRITTEN APPLICATION, THE CO NTRACTOR SHOULD SUBMIT THE FOLLOWING PARTICULARS FOR DEWA, IN ORDER TO ISSUE TEMPORARY ENTRY PASSES FOR THEM WHICH SHALL BE VALID UN TIL THE PERIOD OF CONTRACT WORK. 5.1#LIST OF HIS STAFF PROPOSED TO BE ENGAGED ON THE JOB WITH DESIGNATION, #PASSPORT COPY #EMIRA TES ID COPY 5.2#LIST OF VEHICLES WITH A COPY OR REGISTRATION CERTIFICATE OF EACH VEHICLE ALONG WITH DRIVING LICENSE COPY. 5.3#NO OFFICE OR ACCOMMODATION WILL BE PROVIDED FOR THE STAFF. THE CONTRACTOR IS EXPECTED TO MAKE HIS OWN ARRANGEMENT FOR THIS. 5.4#BEFORE COMMENCEMENT OF HIS WORKS AT SITE, THE CONTRACTOR SHOULD APPLY FOR A PTW (PERMIT TO WORK) IN THE PRESCRIBED FORM, OBTAINABLE FROM C ONCERNED DEWA ENGINEER / STATION OPERATOR. ONLY AFTER THE APPROVAL OF PTW AND NECESSARY ISOLATION WORKS BY DEWA. THE CONTRACTOR IS ALLOWED TO COMMENCE HIS WORK. # #SAFETY PRECAUTIONS 5.5#THE CONTRACTOR SHALL STRICTLY ABIDE TO DEWA HSE PROCEDURES DURING THE ENT IRE CONTRACT PERIOD. INFORMATION REGARDING THE HSE PROCEDURES SHALL BE OBTAINED THROUGH THE CONCERNED DEWA SAFETY ENGINEER / REPRES ENTATIVE AND SHALL FULLY COMPLY WITH THE REQUIREMENTS. 5.6#THE CONTRACTOR IS REQUIRED TO POST A SAFETY OFFICER TO ENSURE MONITORING / OBSERVANCE OR SAFETY AND SAFE WORKING PRACTICES BY HIS MEN AT SITE. 5.7#ANY DAMAGE TO DEWA PROPERTY ARISING DUE TO THE CONTRACTO RS WORK WILL BE SOLE RESPONSIBILITY OF THE CONTRACTOR. 5.8#THE TEMPORARY OFFICE/STORES OF THE CONTRACTOR IN THE PREMISES OF DEWA S HALL BE CONSTRUCTED OF NON-FLAMMABLE MATERIAL. THE FACILITY SHALL HAVE ADEQUATE NUMBER OF HEALTHY FIRE EXTINGUISHERS FOR USE DURING EMERGENCY SITUATIONS. 5.9#WELDING, FLAME HEATING OR CUTTING, GRINDING, PNEUMATIC CHIPPING, ETC. SHALL BE CARRIED OUT ONLY ON SPEC IFIC CLEARANCE FROM DEWA THROUGH #HOT WORK PERMITS#. THE HOT WORK PERMIT SHALL BE OBTAINED ON DAILY BASIS. 5.10#PLANT INSTALLATION , INSTRUMENTS, ELECTRIC CABLES AND CUBICLES, PIPE WORK UNDERNEATH AND ADJOINING THE CRANE ARE TO BE ADEQUATELY PROTECTED AGAINST SPI LLAGE/SPLASH/DAMAGE WHILE EXECUTION OF THE CONTRACT WORK. 5.11#WHILE WORKING ON THE CRANE, THE CONTRACTOR SHOULD BARRICADE THE AREA UNDERNEATH THE CRANE PREVENTING MOVEMENT OF PLANT OPERATION AND MAINTENANCE PERSONNEL IN THE WORK AREA. 5.12#THE CONTRACTOR SHALL CARRY OUT RISK ASSESSMENT / HAZOP ANALYSIS FOR ALL HIS SITE ACTIVITIES /WORKS PRIOR TO EXECUTION OF WORKS. HE SHALL PROVIDE DEWA WIT H HIS SAFETY PLAN BEFORE COMMENCEMENT OF WORK AND SHALL OBTAIN CLEARANCE FROM DEWA FOR HIS PROCEDURE. 5.13#ALL VEHICLES, SPECIAL TO OLS, RIGGING TOOLS, INSPECTION TOOLS, TEMPORARY SCAFFOLDINGS/PLATFORMS, LADDERS, ETC.,SHALL BE INSPECTED AND TESTED BY APPROVED AUTH ORITIES AND THE CONTRACTOR SHALL PROVIDE DEWA WITH ALL NECESSARY CERTIFICATES FOR THEIR USAGE AT SITE. 5.14#WELDING AND / OR OXY-AC Y CYLINDER TROLLEYS, IF USED, AREA OF WELDING AND FLAME CUTTING SHALL HAVE ADEQUATE NUMBER OF HEALTHY FIRE EXTINGUISHERS. 5.15#NO W ASTES, DETERGENTS, THINNERS, PAINT, USED LUBRICANTS, SHALL BE LET TO TRENCHES, WATER COLLECTING PITS. ALL SUCH WASTES SHOULD BE DIS POSED OFF AS PER THE PRODUCT SAFETY DATA SHEETS UNDER THE APPROVAL OF DEWA AND STRICTLY IN LINE WITH DUBAI MUNICIPALITY REGULATIONS. CONTRACTOR#S MEN SHALL STRICTLY FOLLOW DEWA SAFETY REGULATIONS AND OBSERVE ALL SAFETY PRECAUTIONS AT ALL TIMES WITHIN THE PLANT P REMISES. ANYONE FOUND VIOLATING SAFETY WOULD BE BARRED FROM ENTRY INTO DEWA PREMISES. 6.0#TERMINATION OF THE CONTRACT 6.1#DU RING THE PERIOD OF THE CONTRACT, IF THE PERFORMANCE OF THE CONTRACTOR OR THE QUALITY OF HIS WORK IS FOUND UNSATISFACTORY, DEWA HAS T HE RIGHT TO TERMINATE THE CONTRACT 1 SET 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. Tender Link : https://www.dewa.gov.ae/api/RfxDownload/2332202171
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