Design, fabrication and erection of steel shed of dimension 16x20 feet approx for housing of pumping machinery at Sandoori WSS Kana Chargal under JJM (for HC Pump Sets)

Amount

Fabrication and erection in position of L-20ft x B-16ft x Ht-10ft size (with tolerance of ± 5%) colour coated corrugated iron sheet shed at P/S Sandoori The job includes Earth work for Excavation of foundation of width 250mm and depth 500 mm having an elevation of approximately 250 mm above ground level suitable for specified floor size of the shed structure and embedding of vertical prop foot. Providing/laying in-situ of mud mat 75 mm thick along the foundation bed in PCC mix of 1:4:8. Fabrication of vertical props out of IS RHS 75x75 section 5 Nos. of length 20 ft each. Welding in position of base bearing plate and top bearing plate of size 200 mm x 200 mm made out of 6 mm thick M.S plate at bottom end and top end of vertical prop respectively and stiffened in position with help of 75 mm x 200mm cut to shape stiffeners made out of 6 mm thick M.S Plate. Erection in position of vertical props well in sole and alignment with respect to each other resting with its base plate on mud mat of foundation bed, followed by cost in-situ of foundation block in PCC mix of 1:2:4 with elevation of 175 mm Trusses (one side slope mm from ground level with respect to surroundings. Five no's of single 500mm to 00mm) are to be fabrication and erected in position for span of 16ft with its rafts, struts, web and tie member are to be fabricated out of ISA 40 x 40 x 5 mm thick section with gusset plates and connecting plates fabricated out of 6 mm thick M.S plate cut to shape and size as per requirement. Fabrication and erection in position of side runners 2no's on three sides and purlins 3 no's made out of ISA 32 x 32 x 5 mm section resting on clits made out of 40 x 40 x 5 mm angle iron section 100 mm long. Covering of three sides and roof by providing/fitting in position of colour coated corrugated iron sheet of 22 gauge fixed with polymer coated J/L hook and 8 mm dia with bitumen 7 G.I impet washers all complete 0.63 mm thick with Zinc coating not less than 27.5 gm/sq.m along with limpet washers of suitable size at appropriate spacing end overlapping of sheet ends/sides to hold the sheets well in position. The wind tie shall be provided as per requirement. The door 1 No. and window groove 1 No. each are fabricated out of ISA 32 x 32 x 5 mm thick of size 4' x 8' and 4' x 3' respectively. Fabrication and fitting in position door and window pans with their frame made out of ISA 32 x 32 x 5 mm thick with proper skin covering out of plain iron sheets with help of screws/nut-bolts/ welding fitting in position with proper hinges, door/window handles, latches and lock/key arrangement for the door. Earth filling in between the foundation structure for floor mix of 1:4:8 and laying in position of 50 mm thick floor in followed by laying of mud mat 100 mm thick PCC mix of 1:2:4. The job includes cutting to size of structural steel sections followed by straightening, truing, assembling by welding for each member. All steel sections are to be painted with two coats of red oxide followed by two coats of synthetic enamel after proper surface preparation, Jobs also includes electrification of pump shed by providing and fitting of one number ceiling fan (900mm)/ pedestal swing fan (400mm) of reputed make, two LED bulbs, 40 watt each, lamp 200 watt and Fabrication of 3’ x 6’ angle iron bench by way of providing and fitting of Structural steel in built up sections , trusses and framed work, including cutting , hoisting , fixing in position and applying a priming coat of approved steel primer all complete welded. This job includes construction of ramp for shifting of machinery.The Job includes cost of material, labour, consumables, loading, unloading, to & fro, transportation and hire charges of tools and tackles. complete job.

SHIV SARAN GUPTA

VK Mechanical Works