Design, fabrication and erection of steel shed of dimension 12x16 feet approx for housing of pumping machinery WSS Badyal Brahmana under JJM (Tube Well)

Amount

Fabrication and erection in position of 12 x 16 feet size (with tolerance of ± 5%) colour coated corrugated iron sheet shed at WSS Badyal Brahmana. The job includes Earth work for Excavation of foundation of width 250 mm 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 ISMC 75x40 section 14 Nos. of length 3 mtrs. 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 from ground level with respect to surroundings. Four no’s of single span Trusses (one side slope 500mm to 00mm) are to be fabrication and erected in position for span of 6 mtrs, 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 with help of J/L hook 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 grooves 2 Nos 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 shutter and window pans with their frame made out of ISA 32 x 32 x 3 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 followed by laying of mud mat 100 mm thick in mix of 1:4:8 and laying in position of 50 mm thick floor in 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, 1 No. Heavy duty exhaust fan 380 mm and two LED tube light, 30 watt each. 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