Tender For Refurbishment Of Tank 120T201e - LUMPSUM JOB FOR TANK AS PER SCOPE OF WORK AND TERMS AND CONDITIONS ATTACHED., ERECT SYSTEM (CUPLOCK) SCAFFOLDING AT ALL ELEVATIONS IN OPEN SPACES AS INSTRUCTED BY JOB ENGINEER.2. SCAFFOLDING SHALL BE STRICTLY COMPLIED WITH IS 4014 PART-I N II - CODE OF PRACTICE FOR STEEL TUBULAR SCAFFOLDING, IS3696-1987 PART-1 N IS 3696-1991 PARTII SAFETY CODES FOR SCAFFOLDS N LADDERS.3. PROPER LANDING PLATFORM SHALL BE MADE USING GRILLED GRATINGS AT EACH LEVEL (INTERVAL OF MAX.6 METERS) UPTO TOP/WORKING PLATFORM OF SCAFFOLDING.4. SAFE MONKEY LADDERS SHALL BE PROVIDED AT EACH LANDING PLATFORM FOR EASY LEVEL TO LEVEL CLIMBING. MONKEY LADDERS SHALL BE MADE UP EITHER OF STEEL COMPLYING WITH IS 1977:1975 OR OF ALUMINIUM ALLOYS COMPLYING WITH IS 617:1975. LADDER RUNG SPACING SHALL BE UNIFORM AND DISTANCE BETWEEN ANY TWO RUNGS SHALL NOT EXCEED 1 FT.5. UPPER END OF LADDER RAILS SHALL BE WELDED WITH HOOKS FOR PROPER SECURING OVER SCAFFOLDING PIPE AND LADDER TO BE FASTENED AT ITS MIDDLE AND BOTTOM TO SCAFFOLDING PIPES USING SUITABLE FITTINGS LIKE SWIVEL CLAMPS TO HAVE ADEQUATE RIGIDITY AND TO PREVENT SLIPPING/TILTING.6. FOR WORKING AT ANY LEVEL, WORKING PLATFORM WITH GUARD RAILING, TOE PLATE AND GRILLED GRATING BASE SHALL BE MADE AND WORKMEN SHALL USE THIS WORKING PLATFORM FOR ERECTION OF SCAFFOLDING TO THE NEXT LEVEL. STANDING ON SCAFFOLDING PIPE(S) FOR ERECTION/DISMANTLING JOBS IS NOT PERMISSIBLE.7. EACH WORKING / LANDING PLATFORM SHALL BE PROVIDED WITH HAND / GUARD RAILING RIGHT ROUND THE PLATFORM TO AVOID FALLING OF OBJECTS. THE MINIMUM DISTANCE BETWEEN TOP RAIL AND PLATFORM SHALL BE 0.9M TO 1.05M.8. AGENCY SHALL USE SUITABLE BASE PLATES (FIXED / ADJUSTABLE) FOR LEVELING THE SCAFFOLDING TO HORIZONTAL.9. ENSURE ENOUGH RIGIDITY OF SCAFFOLDING AT DIFFERENT HEIGHTS BY PROVIDING ADEQUATE DIAGONAL BRACING TUBES.10. SCAFFOLDING VERTICALS SHALL BE OF MAXIMUM 3 METER HEIGHT WITH THE CUPS WELDED AT 0.5M SPAN AND LEDGERS (HORIZONTALS) SHALL BE OF MAXIMUM 2.5 METER LONG WITH ENDS WELDED WITH FORGED BLADES.RATE PAYABLE: PER BLOCK OF SIZE 2.5M (WIDTH) X 2.5M (BREADTH) X 3M (HEIGHT) ERECTED AND DISMANTLED, SHELL REPAIR, OVERLAY PATCH(FOR MORE THAN 1 SQ MTR SIZE)PROVIDE OVERLAY PATCH ON THE SHELL, WITH CARBON STEEL PLATE OF ANY THICKNESS (PREFERABLY 6MM THICK OR AS ADVISED/MARKED BY INSPECTION). MAXIMUM PLATE SIZES OF 1.5 M X 2 M SHALL BE CONSIDERED UNDER THIS ITEM RATE. CARRY OUT VACUUM BOX TEST/AIR TEST OF THE WELDED PATCH, AS DIRECTED BY HPCL INSPECTION. ALL ARRANGEMENTS INCLUDING TESTING ACCESSORIES, CONSUMABLES, SUPPORTING STRUCTURAL ERECTION (MATERIAL SUPPLY BY HPCL)EXCLUDING SCAFFOLDING AND ALL OTHER THINGS ARE IN AGENCY’S SCOPE AND COST.PAYMENT SHALL BE MADE AS PER ITEM OF SOR, BASIS PER MT OF PATCH INSTALLED, SHELL NOZZLE FABRICATION AND WELDING. REMOVAL OF EXISTING NOZZLE, IF REQUIRED, IS PART OF THE SCOPE.NOZZLES, BOTTOM DRAIN INCLUDING FABRICATION AND FIXING, REINFORCING PADS WELDING, FABRICATION AND INSTALLATION OF FLANGES, ETC., WITH SPECIFIED ELECTRODES.(E6010 FOR ROOT AND E7018 FOR FILLING)RADIOGRAPHY, HEAT TREATMENT, INSPECTION AND TESTING AS STIPULATED BY RELEVANT API CODES AND / OR AS DIRECTED BY INSPECTION. PAYMENT SHALL BE MADE AS PER INCH DIA. OF APPURTENANCE FABRICATED AND INSTALLED INCLUDING NDT., SHELL REPAIR, CLEAN-OUT DOORS, 24 INCH NBINCLUDES FABRICATION, INSTALLATION, WELDING, RADIOGRAPHY, HEAT TREATMENT, INSPECTION AND TESTING OF CLEAN-OUT DOORS OF 24 INCH SIZES, AS STIPULATED BY THE RELEVANT API CODES AND/OR AS DIRECTED BY HPCL INCLUDING FABRICATION AND FIXING OF REINFORCEMENT PADS, FABRICATION AND INSTALLATION OF FLANGES, ETC. WITH THE SPECIFIED ELECTRODES.PAYMENT SHALL BE MADE AS PER LINE ITEM OF SOR, BASIS NB SIZE OF THE DOOR, SHELL REPAIR, CLEAN-OUT DOORS, 48 INCH NBINCLUDES FABRICATION, INSTALLATION, WELDING, RADIOGRAPHY, HEAT TREATMENT, INSPECTION AND TESTING OF CLEAN-OUT DOORS OF 48 INCH SIZES, AS STIPULATED BY THE RELEVANT API CODES AND/OR AS DIRECTED BY HPCL INCLUDING FABRICATION AND FIXING OF REINFORCEMENT PADS, FABRICATION AND INSTALLATION OF FLANGES, ETC. WITH THE SPECIFIED ELECTRODES.PAYMENT SHALL BE MADE AS PER LINE ITEM OF SOR, BASIS NB SIZE OF THE DOOR
