Clyde Union Pump Blasting and Coating for Emirates Road

*The deadline for this tender has passed.

Tender Organisation:

DUBAI ELECTRICITY & WATER AUTHORITY (DEWA)

Tender Sector:

Infrastructure and construction Tenders

Tender Service:

Worldwide

Tender Region:

Middle East

Tender Country:

United Arab Emirates

Tender CPV:

45000000 : Construction work

Tender Document Type:

Tender Notice

Tender Description:

Quotation are invited for Clyde Union Pump Blasting and Coating for Emirates Road PS. INTERNAL & EXTERNAL COATING OF BOOSTER PUMP CASING FOR EMIRATES ROAD PS CLYDE UNION PUMP. PUMP DETAILS: MAKE- CLYDE UNION, MODEL-SD A 400/ 500B (HORIZONTAL), CAPACITY-525 LIT/SEC. PLEASE CONTACT MR. SUHAIL (050-4515989) FOR FURTHER CLARIFICATIONS. SPECIFICATION FOR INTERNAL G OF PUMPS/ VALVES GENERAL THESE PUMPS & VALVES ARE USED IN WATER BOOSTER PUMPING STATIONS. THE FLUID HAN DLE PUMPS IS POTABLE WATER OF MAXIMUM TEMPERATURE UP TO 50 0C. NORMALLY THE WATER IS CLEAN BUT SOME TIME IT IS NOTICED TO HAVE SAND AND SOLIDS IN STREAM FROM PIPELINE. THESE PUMPS ARE IN OPERATION SINCE COMMISSIONING OF THE STATION. SCOPE OF WORK CO TRANSP ORTATION THE CONTRACTOR SHALL COLLECT THE PUMP CASING THROUGH SUITABLE PICKUP/CRANE MOUNTED TRUCK FROM EMS WORKSHOP AT ER. THE CONT RACTOR PICKUP SHALL HAVE SUITABLE AND SAFE LIFTING SLING/BELT OF SUFFICIENT LOAD CAPACITY. LOADING AND UNLOADING OF PUMP CASING TO B E CARRIED OUT BY CONTRACTOR. SURFACE PREPARATION BEFORE APPLYING ANY COATING, THE CONTRACTOR HAS TO DO NE SURFACE PREPARATION BY SAND OR GRIT BLASTING OR ANY OTHER SUITABLE MECHANICAL SYSTEM TO REMOVE ALL RUST & LOOSE MATERIALS. AFTER SAND BLASTING THE CONTR ACTOR HAS TO INTIMATE DEWA ENGINEER FOR INSPECTION OF THE SURFACE BEFORE APPLYING ANY COATING. DURING SANDBLASTING IT IS REQUIRED TO PROTECT ALL MACHINED SURFACE, SEAT AREA AND ALL OTHER CRITICAL AREAS AND PARTS FROM DAMAGE BY SUITABLE METHOD. BUILDUP/ FILLING OF ERRODED/PITTED SURFACE THE SUPPLIER HAS TO BUILDUP ERODED SURFACE BY SUITABLE COMPOSITE MATERIAL TO ORIGINAL LEVEL BEFORE APPLYING ANY COATING. THE COMPOSITE MATERIAL SHALL HAVE THE FOLLOWING PROPERTIES: ·#THE CURRIED ONSITE MUST BE SUITABLE FOR CONTINUOUS IM MERSION IN THE FOLLOWING CHEMICALS AT 21 0C (70 0F): FERRIC CHLORIDE, 10% HYDROCHLORIC ACID, 10% SULFURIC ACID, 5% NITRIC ACID, 50% SODIUM HYDROXIDE AND 28% AMMONIUM HYDROXIDE. ·#THE COMPOSITE SHALL SHOW NO BLISTERS WHEN POSED TO DE-MINERALIZED WATER IN AN ASTM C 868 CORROSION TEST AT 43 0C (110 0 F) FOR A MINIMUM PERIOD OF 6 MONTHS. ·#ADHESION OF E COMPOSITE PER ASTM D1002 SHALL BE GREATER TH AN 183 KG/CM2 (2,600 PSI) ·#THE CURVED COMPOSITE MUST MEET OR EXCEED THE FOLLOWING REQUIREMENTS: COMPRESSIVE STRENGTH (ASTM D 695) 914 KG/CM2 (13,000 PSI). TENSILE STRENGTH (ASTM D 638) 431 KG/CM2 (6,1 SI) FLEXURAL STRENGTH (ASTM D 790) 620 KG/CM2 (8,800 PSI) FLEXURAL MODULUS (ASTM D 790) 6.9 X 104 KG/CM2 (9.87 X 105PSI). RING THE PHASES OF SURFACE PREPARATION, APPLICATION, AND CURING, ENVIRONMENTAL CONDITIONS WILL REQUIRE CAREFUL MONITORING AND MAY REQUIRE SUPPLEMENTAL CONTROLS. CRITICAL AREAS OF CONCERN ARE RELATIVE HUMIDITY, DEW POINT, SURFACE TEMPERATURE OF THE SUBSTRATE, AND AIR PURITY. CONTRACTOR SHALL CARRYOUT ALL THE PROCEDURES IN A CONTROLLED ENVIRONMENT IN ACCORDANCE WITH THE LATEST STANDARDS AND PROCEDURES. FINAL INTERNAL COATING AFTER SURFACE PREPARATION AND FILLING UP T ED TO APPLY THE CERAMIC REINFORCED COMPOSITE MATERIALS FOR FINAL COATING. THE COMPOSITE COATING MATERIALS SHALL HAVE FOLL OWING PROPERTIES: Qty: 1 Clyde Union pump blasting and coating for Emirates Road PS 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 Bidding Type:

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Tender Notice No:

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Tender Document:

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