TWG STRUCTURE REVAMPING

Sup,fab,erec & paint_structura — STRUCTURAL WORK (ALL SECTION OF STRUCTURE SUCH AS CHANNEL, BEAM, ANGLE, TEE, HAND RAILING PIPE, MS FLAT ETC. AS PER DESIGN AND DRAWING): SUPPLY, FABRICATION, WELDING, ERECTION, PAINTING, INSPECTION AND TESTING OF STEEL STRUCTURE AS PER APPROVED DRAWING AND DESIGN SUCH AS ROLLED SECTION, FLAT FOR CURB ANGLE, SPIRAL STAIRWAY, LANDING PLATFORMS, TOP PLATFORM, EARTHING CONNECTIONS CLEATS, WIND GIRDER SUPPORTS AND PAD PLATES, STIFFENERS/GUSSETS FOR WIND GIRDER, DEFLECTOR PLATE FOR WIND GIRDERS, STIFFENERS/CATWALKS FOR VALVE OPERATION PLATFORM, PIPE CROSSOVERS, VALVE OPERATING PLATFORMS, CURB ANGLES, CLEATS, SUPPORT STRUCTURAL FOR SPRINKLER SYSTEM AND FOAM SYSTEM, AND ALL ANGLES, GUSSET PLATES, WIND GIRDERS, STRUCTURAL STEEL FOR THE HAND RAIL OF THE SPIRAL STAIRWAY, MS SQUARE BARS OF 20 MM SIZE FOR POSTS OF THE HAND RAILING. ROOF TOP RAILING LIKE ANGLES, FLATS AND CONNECTING CLEAT ANGLES, ALL FLOATING ROOF STRUCTURAL, RIM AND FRAME ANGLES, PONTOON STIFFENING RAFTERS, SUPPLY AND BRACING OF BRASS STRIP OVER WHEELS OF ROLLING LADDER IN FLOATING ROOF TANKS ETC. SUPPLY, FABRICATION, WELDING AND ERECTION OF PIPE HAND RAILS FOR THE STAIRCASE MADE OUT OF 40 MM DIAMETER SCH 40 SEAMLESS PIPE CONFORMING TO ASTM A106 AND MS SQUARE BARS OF 20 MM SIZE WELDED TO THE TANK SHELL AND THE HAND RAILING ETC. SUPPLY OF ALL MATERIALS, CONSUMABLES, LABOUR, EQUIPMENT/MACHINERY, TOOLS AND TACKLES REQUIRED TO COMPLETE THE WORK AS PER DRAWINGS, SCOPE OF WORK AND INSTRUCTIONS OF HPCL ENGINEER-IN-CHARGE. PREPARATION OF ALL NECESSARY FABRICATION DRAWINGS INCLUDING BILL OF MATERIALS, SUPPLY OF STEEL CONSISTING OF PLATES, ROLLED STEEL JOISTS, CHANNELS, ANGLES, CHEQUERED PLATES, JOISTS, TRUSSES, TUBES ETC. AND ALSO RECTANGULAR/SQUARE HOLLOW STEEL SECTIONS, INSERT PLATES IN RCC SLEEPER/BRICKWORK, MS ROUND BAR, PIPELINE PEDESTAL STRUCTURE, ANCHOR BOLTS FOR STEEL STRUCTURE, SLEEVE PIPES, ANCHOR NUTS, WASHERS ETC. , CONFORMING TO IS: 2062/OTHER RELEVANT/APPLICABLE CODES. THE JOB INCLUDES STRAIGHTENING OF RAW STEEL IF REQUIRED, FABRICATION OF STEEL STRUCTURES AS PER DRAWINGS/PATTERN (INCLUDING PREPARATION OF SUPPLEMENTARY SKETCHES AND DETAILED BILL OF MATERIALS). RATE TO INCLUDE SUPPLY, FABRICATION, ERECTION AND WELDING, STRAIGHTENING, CUTTING TO REQUIRED LENGTH SUPPLY AND FIXING ALL NUTS AND BOLTS WASHERS WHEREVER REQUIRED FOR FOLLOWING ITEMS. SEPARATE MEASUREMENTS WILL NOT BE TAKEN FOR NUTS, BOLTS, WASHERS ETC. FOR PAYMENT PURPOSE. JOB ALSO TO INCLUDE CLEANING AND PREPARATION OF ALL STEEL SURFACES TO SWEDISH STANDARD SA 2 1/2 AS PER SWEDISH STANDARD: IS -05-5900/ISO-8501: LATEST EDITION WITH COPPER SLAG BLASTING. THE PRIMER PAINT SHALL BE ONE COAT OF 65 MICRON INORGANIC ZINC SILICATE FOLLOWED BY ONE COAT OF 100 MICRON HB MIO FOLLOWED BY TWO COATS OF ACRYLIC POLYURETHANE EACH OF 40 MICRONS. TOTAL THICKNESS OF PAINT SHALL BE MINIMUM 245 MICRONS DFT. THE SCOPE INCLUDES LOADING, TRANSPORTATION, UNLOADING AND DELIVERY AT ERECTION SITE OF ALL FABRICATED STRUCTURES, ERECTION, ALIGNMENT AND WELDING OF ALL STRUCTURES TRUE TO LINE, LEVEL, PLUMB AND DIMENSION, INCLUDING RECTIFICATION IF ANY, SPLICING, SITE ASSEMBLY ALL AS PER TECHNICAL SPECIFICATIONS AND DRAWINGS, TOUCH UP PAINTING, INCLUDING SUPPLY OF PAINT, WHERE PAINT IS DAMAGED ETC. COMPLETE AS PER INSTRUCTION OF ENGINEER-IN-CHARGE (ENGINEER-IN-CHARGE). NOTE: ALL THE STRUCTURE (AS DECIDED/INSTRUCTED BY ENGINEER-IN-CHARGE) OTHER THAN GRATINGS SHALL BE PAID UNDER THIS ITEM ONLY. MEASUREMENTS SHALL BE TAKEN ON ACTUAL WEIGHT BASIS ONLY.

Dismantling/stacking_structura — CUTTING AND DISMANTLING OF STRUCTURAL STEEL WORK AT ALL HEIGHTS, INCLUDING TRANSPORTING OF THE DISMANTLED STEEL MEMBERS WEIGHMENT ON THE COMPANY'S WEIGH BRIDGE AND STACKING THE SAME AT DESIGNATED LOCATION AS DIRECTED BY THE ENGINEER-IN- CHARGE WITH ALL CONSUMABLES, EQUIPMENT, TOOLS ETC INCLUDING SCAFFOLDING MANPOWER, SUPERVISION COMPLETE.

Supply_50NB ERW GI pipes — PIPE; MATERIAL:GALVANIZED IRON; COATING,SPEC:IS 4736; MANUFACTURING PROCESS:ELECTRIC RESISTANCE WELDED; SIZE (NB):50 MM; END PREPARATION:PLAIN END; SCHEDULE NUMBER:B-CLASS; RANDOM LENGTH:5 TO 7 METER

Fab,erectn,paint & testng_50NB — COMPLETE WORK OF ERECTION, PAINTING, TESTING AND MAKING READY FOR FURTHER COMMISSIONING OF PIPE AS PER TENDER TERMS AND CONDITIONS.

Sup and erection of roof sheet — PROVIDING AND FIXING ROOFING AND SIDE CLADDING OF PERMANENTLY COLOR COATED MIN. 0.5 MM TCT HIGH TENSILE ZINCALUME OR EQUIVALENT STEEL SHEET (550 MPA) AS PER SPECIFICATION AND FINISHED WITH 20 MICRONS COLOR COATING AS PER MANUFACTURER’S CATALOGUE. THE SHEET IS TO BE FIXED OVER GIRTS WITH SELF-DRILLING SELF-TAPPING SCREWS AS PER SPECIFICATION INCLUDING NEOPRENE /EPDM WASHER ON EACH CREST OF SHEET. THE WORK SHALL INCLUDE, ERECTION OF ALL FASTENERS, FLASHING AND CAPPING FOR ALL EDGES, CAPS CORNERS ETC., MADE OUT OF 0.5 MM COLOR COATED ZINCALUME OR EQUIVALENT STEEL SHEET OF SAME SPECS AS ABOVE AND ALSO FIXING OF 25X 3 MM GALVANIZED IRON STRIP EARTHING ON TOP OF SHEET IN FORM OF GRID. THE WORK WILL INCLUDE COST OF ALL LABOR, EQUIPMENT, MATERIALS, COST OF CONSUMABLES, FASTENERS, WASHERS ETC., COMPLETE AS PER TENDER DRAWINGS AND SPECIFICATIONS AND DIRECTION OF ENGINEER - IN - CHARGE. 1) PROVIDING AND FIXING PERMANENTLY COLORED 0.5 MM THICK TCT ZINCALUME OR EQUIVALENT STEEL SHEET ROOFING ACCESSORIES WITH POLY COATED J OR L HOOKS, BOLTS AND NUTS, G.I PLAIN AND BITUMEN COATED, COMPLETE AS PER SPECIFICATIONS AND TENDER DRAWINGS AND/OR DIRECTED BY ENGINEER - IN - CHARGE LIKE ADJUSTABLE RIDGE PIECES OF SIZE COMPATIBLE TO MATCH PROFILES, APRON FLASHING PIECE, BARGE BOARD /CORNER PIECE ETC. 2) PROVIDING AND FIXING ADEQUATE SIZE VALLEY/EAVES GUTTER OF SAME AS SHEETING MATERIAL (SHALL NOT BE MEASURED AND PAID FOR SEPARATELY). 3) PROVIDING AND FIXING ADEQUATE NOS. AND SIZE OF HEADERS AND DOWN TAKE RAIN WATER PIPES OF 0.5MM THK. ZINCALUME OR EQUIVALENT STEEL SHEET. (SHALL NOT BE MEASURED AND PAID FOR SEPARATELY).

Dismantling_sprinkler pipes — DETAIL SPECIFICATION AS GIVEN IN TENDER DOCUMENT

Supply and instltn_sprinklers — NOZZLE; TYPE:SPRINKLER; MATERIAL:BRASS; THREAD:1/2 IN NPT; PRESSURE DESIGNATION:N/A; SIZE:1/2 IN; FOR MEDIUM VELOCITY WATER SPRAY SYSTEM, OPEN TYPE, MAX WORKING PRESSURE: 12 KG/SQ.CM, WITH NIPPLES 1/2 INCH

Cpling,half,15nb,sw_sprnkler — COUPLING,SOCKET-WELD; TYPE:HALF; DESIGN SPEC:ANSI B16.11; MATERIAL:CARBON STEEL; MAT SPEC,FITTING:ASTM A105; PRESSURE DESIGNATION:CLASS 3000; SIZE:15 MM; CAPS CODE : WK602D2Z004ZZZZZZ

S&I flange, sorf, 150#, 50nb — FLANGE,SLIP-ON; MATERIAL SPEC:ASTM A105; MATERIAL:FORGED CARBON STEEL; PRESSURE DESIGNATION:CLASS 150; FACING,FLANGE:RAISED FACE; SIZE:50 MM; DESIGN SPEC:ANSI B16.5

S&I flange, blrf, 150#, 50nb — FLANGE,BLIND; MATERIAL SPEC:ASTM A105; MATERIAL:CARBON STEEL; FACING,FLANGE:RAISED FACE; FINISH,FLANGE FACING:125 TO 250 AARH; PRESSURE DESIGNATION:CLASS 150; SIZE:50 MM; DESIGN SPEC:ANSI B16.5