Tenders are invited for Internal External Coating of Booster Pump Casing of Lusaily New PS Clyde Pump

Tender Detail

39880011
2332100947
Self Funded
Tenders are invited for Internal External Coating of Booster Pump Casing of Lusaily New PS Clyde Pump
ICB
Western Asia
Arab World,Gulf Cooperation Council, GCC,Middle East,Middle East and North Africa, MENA
04-05-2021

Work Detail

Quotation are invited for Internal External Coating of Booster Pump Casing of Lusaily New PS Clyde Pump Internal External Coating O 1032101289rfx Description Internal External Coating of Booster pump casing of Lusaily New PS CLYDE PUMP Pump Details Make CLYDEUNION Model SDJ 150 250B Capacity 93 L sHead 45MRPM 1113ITEM 00001 INTERNAL EXTERNAL COATING OF BOOSTERPUMP CASING OF LUSAILY NEW PS CLYDE PUMP PUMP DETAILS MAKE CLYDEUNION MODEL SDJ150 250B CAPACITY 93 L S HEAD 45M RPM 1113 PUMPCASING TO BE COLLECTED FROM FUJAIRAH MANSERVICES WORKSHOP DELIVER TO THE SAMEAFTER COATING PLEASE CONTACT MR NOOR 04 3229439 FOR FURTHER CLARIFICATIONS SCOPE OFWORKS SPECIFICATION FOR INTERNAL COATINGOF PUMPS VALVES GENERAL THESE PUMPS VALVES ARE USED IN WATER BOOSTER PUMPINGSTATIONS THE FLUID HANDLED BY THESE PUMPSIS POTABLE WATER OF MAXIMUM TEMPERATURE UP TO50 0C NORMALLY THE WATER IS CLEAN BUT SOMETIME IT IS NOTICED TO HAVE SAND AND SOLIDS INSTREAM FROM PIPELINE THESE PUMPS ARE INOPERATION SINCE COMMISSIONING OF THESTATION SCOPE OF WORK SURFACE 1 EA PREPARATION BEFOREAPPLYING ANY COATING THE CONTRACTOR HASTO DO NECESSARY SURFACE PREPARATION BYSAND OR GRIT BLASTING OR ANY OTHERSUITABLE MECHANICAL SYSTEM TO REMOVE ALL RUST LOOSEMATERIALS AFTER SAND BLASTING THECONTRACTOR HAS TO INTIMATE DEWA ENGINEERFOR INSPECTION OFTHE SURFACE BEFORE APPLYING ANY COATING DURING SANDBLASTING IT IS REQUIRED TOPROTECT ALL MACHINED SURFACE SEAT AREAAND ALL OTHER CRITICAL AREAS AND PARTS FROM DAMAGE BYSUITABLE METHOD BUILDUP FILLING OFERRODED PITTED SURFACE THE SUPPLIERHAS TO BUILDUP ERODED SURFACE BY SUITABLECOMPOSITE MATERIALS UP TO ORIGINAL LEVELBEFORE APPLYING ANY COATING THE COMPOSITEMATERIAL SHALL HAVE THE FOLLOWING PROPERTIES THECURRIED COMPOSITE MUST BE SUITABLE FOR CONTINUOUS IMMERSION IN THE FOLLOWINGCHEMICALS AT 210C 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 BLISTERSWHEN EXPOSED TO DE MINERALIZED WATER IN ANASTM C 868 CORROSION TEST AT 43 0C 110 0 F FOR A MINIMUM PERIOD OF 6 MONTHS ADHESIONOF THE COMPOSITE PER ASTM D1002 SHALL BEGREATER THAN 183 KG CM2 2 600 PSI THECURVED COMPOSITE MUST MEET OR EXCEED THEFOLLOWING PHYSICAL REQUIREMENTS COMPRESSIVE STRENGTH ASTM D 695 914KG CM2 13 000 PSI TENSILE STRENGTH ASTM D 638 431 KG CM2 6 136PSI FLEXURAL STRENGTH ASTM D 790 620KG CM2 8 800 PSI FLEXURAL MODULUS ASTM D790 6 9 X 104 KG CM2 9 87 X 105PSI DURING THEPHASES OF SURFACE PREPARATION APPLICATION AND CURING ENVIRONMENTALCONDITIONSWILL REQUIRE CAREFUL MONITORING AND MAYREQUIRE SUPPLEMENTAL CONTROLS CRITICALAREAS OF CONCERN ARE RELATIVE HUMIDITY DEW POINT SURFACE TEMPERATURE OF THE SUBSTRATE ANDAIR PURITY CONTRACTOR SHALL CARRYOUT ALLTHE PROCEDURES IN A CONTROLLEDENVIRONMENT IN ACCORDANCE WITH THE LATEST STANDARDS ANDPROCEDURES FINAL INTERNAL COATINGAFTER SURFACE PREPARATION AND FILLING UPTHE ERODED SURFACE IT IS REQUIRED TO APPLY THECERAMIC REINFORCED COMPOSITE MATERIALSFOR FINAL COATING THE COMPOSITE COATINGMATERIALSSHALL HAVE FOLLOWING PROPERTIES THECURED COMPOSITE MUST BE SUITABLE FORCONTINUOUS IMMERSION IN THE FOLLOWINGCHEMICALS AT 210C 700F FERRIC CHLORIDE 10 HYDROCHLORIC ACID 10 SULFURIC ACID 5 NITRIC ACID 50 SODIUM HYDROXIDE AND 28 AMMONIUMHYDROXIDE THE COMPOSITE MUST EXCEED 10 000 HRS INAN ASTM B 117 SALT FOG TEST SCORED WITH NOSIGNS OF UNDER FILM CORROSION AT THESCORE THE COMPOSITE MUST PASS ASTM G 8CATHODIC DISBANDMENT TEST FOR NOT LESSTHAN 60 DAYS THE COMPOSITE SHALL SHOWNO BLISTERS WHEN EXPOSED TO DEMINERALIZED WATER IN ANASTM C 868 CORROCELL TEST AT 430C 1100F FOR A MINIMUM PERIOD OF 6 MONTHS ADHESION OF THE COMPOSITE PER ASTM D 4541 SHALL BEGREATER THAN 140 KG CM2 2 000 PSI THELINEAR CO EFFICIENT OF THERMAL EXPANSION ASTM C 531 SHALL NOT EXCEED 5 0 X 10 5 CM CM 0C 2 8 X10 5 IN IN 0F THICKNESS OF COATING 800 1000MICRONS SURFACE FINISHING OF THECOATING SHALL BE SMOOTH GLASS SURFACE FINISHED AND ABRASION RESISTANT THECURED COMPOSITE MUST MEET OR EXCEED THEFOLLOWING PHYSICAL REQUIREMENTS COMPRESSIVESTRENGTH ASTM D 695 844 KG CM2 12 000 PSI TENSILE STRENGTH ASTM D 638 240 KG CM2 3 420 PSI FLEXURAL STRENGTH ASTM D 790 562 KG CM2 8 000PSI THE COMPOSITE SHALLBE AUTHORIZED FOR USDA APPLICATION FOR INCIDENTAL FOOD CONTACT THE COMPOSITEIS REQUIRED TO HAVE POTABLE WATERCERTIFICATION FROM INTERNATIONAL LOCALAUTHORITIES WRAS WATER REGULATORY ADVISORY SOCIETY EXTERNAL COATING EPOXY POWDERCOATING IN BLUE COLOUR AT LEAST 300 400MICRON THICK FOR BOTH PUMPS AND VALVES ALL NECESSARYSURFACES PREPARATIONS TO BE DONE BEFORECOATING WARRANTY THE SUPPLIER HAS TOPROVIDE AT LEAST 24 MONTHS OF SERVICEWARRANTY AGAINST ANY DAMAGE DEFECTS FORTHE COATING IF THE COATING IS FOUND TO FAIL WITHIN THIS PERIOD THE SUPPLIER HAS TO RECOAT THEEQUIPMENT AT FREE OF CHARGE TO DEWA METHOD STATEMENT THE SUPPLIER HAS TOPROVIDE METHOD STATEMENT OF COATING AND MATERIALDETAILS ALONG WITH THEIR OFFER FORTECHNICAL EVALUATION AND APPROVAL INSPECTION AT SITE BEFORE DELIVERY OF COATED PUMPS VALVES THE COATING WORKS TO BE INSPECTED BY DEWAENGINEER AT SUPPLIER WORKSHOP FOR FINALACCEPTANCE CONTRACTOR SHALL PROVIDE WITH ALLREQUIRED NECESSARY INSPECTION TOOLS ASREQUIRED ON SITE REPORTS DOCUMENTSDURING DELIVERY THE FOLLOWING DOCUMENTS TOBE SUBMITTED 1 MATERIAL DATA SHEET 2 PHOTO OF CASING BEFORE AND AFTERCOATING 3 WARAS CERTIFICATE FOR COATING MATERIALS 4 ALLTEST REPORTSSTANDARD TERMS CONDITIONS1 Prices should be DDP delivery duty paid at DEWA stores 2 Quotation to be submitted only in local currency U A E Dirhams3 DEWA Standard payment terms is 30 days credit from the date of acceptance of material4 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

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