| 1 | 10 | Damaged roof sheet replacement work | Item 00010 | | |
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| 2 | 10.01 | Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of the Engineer-in-Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. (Note: This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.)\n | Item 10.10 | 4800 | SQM |
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| 3 | 10.02 | Replacement of the existing corroded/damaged roof sheets in pigging pump shed & FFE shed at PHBPL Paradip -Designing, providing, fabricating and fixing profiled sheeting 730-1020 mm cover width, 28-30 mm crests @ 186-333 mm centre to centre, manufactured out of 0.45 mm BMT (Base Metal Thickness) Hi-Tensile Steel (Minimum yield strength of 550 MPa) coated with hot dip metalic galvalume/ zincalume coating AZ-150 or equivalent as per AS:1397 and super polyster XRW quality paint coat as per AS/ NZS2728 (Category-3) of approved colour for roofing, cladding, gutters, rainwater pipes, spouts etc. The total mass of the coating on both sides shall be 150 gms/sqm (Zinc 45%/ Aluminium 55%). The total paint coat thickness shall be 35 microns, comprising of 20 microns exterior coat of super polyster XRW on top surface and 5 micron super polyester on back surface over 5 micron primer coats on both surfaces including side and end laps. The sheets shall have wide pans with 2-3 stiffening ribs for effective water shedding and special male/ female ends with full return legs on side laps for purlins support and anti-capilary flute in side lap. The sheets shall be fixed using polymer coated hot dip galvanised hex head self drilling fasteners as per AS:3566 (Class-3) on each crest of sheets for connection with purlins and polymer coated hot dipped stitching fasteners at 300 mm c/c on all sides and end laps, etc. Approved sealing tapes shall be used on side laps and end laps of sheets and closer to be provided at the last end of sheet. The measurement shall be based on per unit of finished/ laid area. Item to include curved sheets also wherever required. The Contractor shall give minimum 10 year guarantee for the sheets against deterioration, disintegration, loss of lustre, variation in colour, etc. and leakages across laps, fasteners etc. The Contractor is to submit design and shop drawing for approval on the sheet profile, design and details before installation.\nRoof, side cladding, gable end cladding, gutters, rainwater pipes/ spouts etc. (Note: The area of sheet coverings shall be measured on the flat surface i.e. without allowance for laps and ribs).\n | Item 10.20 | 500 | SQM |
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| 4 | 10.03 | Supplying, erecting and fixing in position 600 mm wide Colour Bond ridge cap and corner flushing rolled from 0.5mm TCT BHP zincalume AZ150 high tensile steel (550MPA yield strength) including fixing to sheets stiched by (4.8 x 16mm) Hex Head stitch screws, with metal bonded EPDM washers all complete. | Item 10.30 | 70 | M |
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| 5 | 10.04 | Strenthning of Existing sheets in Pigging Pump shed by stiching Hex Head stitch screws 50 mm long (polymer coated hot dip galvanised hex head self drilling fasteners as per AS:3566 class 3), with metal bonded EPDM washers all complete (including complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of the Site Engineer. with essential safety features for the workmen etc. complete. Note- Purchasing of Hex Head stitch screws has to be done only after consultation & approval of EIC/Site engg | Item 10.40 | 10000 | EA |
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| 6 | 10.05 | Supplying at site, galvanised (hot dip galvanised as per IS : 2629 with zinc coating not less than 0.12 mm uniform thickness) steel structural items such as steel plates, bars, angles, flats,Strips, I beams, channels, gratings, commercial quality heavy pipes, C.I. Rollers, bolts & nuts, washers, etc., transportation, fabrication, erection, welding, cutting, clamping, bolting, strengthening of supports and structures at all heights and depths as directed by Site Engineer / EIC including supply of all other inputs such as labour, materials, consumables, POWER, etc. necessary to perform and complete the work in all respects, in accordance with instructions of the Site Engineer / EIC. Note: Adequate safety precautions required for working in oil installation area and as directed by Site Engineer / EIC need to be taken along with providing of necessary covers / barricades around the work area. (GI Strip Size- 25mm x 6 mm has to be supplied)\n | Item 10.50 | 3.11 | TO |
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