Name of Work: Providing and fixing of Victorian type and precast RCC chair benches at different locations in ward no. 184 (Jaitpur) CNZ
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Item Description
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Laying and Jointing PVC Pipe. Heading
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Providing and Fixing Victorian type garden bench of approved design having both side arms made of moulded single piece cast iron having weight not less than 48kg with back height 720mm (+/- 5mm) and seating height 390mm (approx). Both side arms of bench shall be connected with 11 numbers M.S. Tubes rectangular type 65x25 mm and 16 SW guage thick of length 1500mm for seating and back purpose with extra support of seating position of bench with 25x25mm M.S. Flat. The bench shall have the provision of hold fasts fixed with all the four legs embedded in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominalsize) of blocks of size 0.23x0.23x0.30 metre including excavation of pits for four concrete blocks including primer and painting with approved quality of enamel paint like Berger, Asian, Nerolac Paints etc. Minimum weight of bench shall be 90kg per bench (The weight of all the steel and cast iron members as mentioned above). Thework shall be executed as per entire satisfaction and directions of Engineer-inCharge
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Providing and fixing of precast RCC chair bench with arm rest each bench consists of 2 no, L-shaped base support in grey cement colour (thickness 80 mm x90 mm, 890 mm back height; 450 mm front height with base width 690 mm) and 1 no. reinforced concrete plank in red colour of size 1500 mm x 400 mm x 50 mm and 1 no. of reinforced concrete plank in red colour of size 1500 x 425 mm x 50 mm total height of the bench 890 mm manufactured using cement concrete 1:1.5:3 (1cement: 1.5 coarse sand : 3 stone aggregate 12.5 mm nominal size) using vibro compaction process reinforced suitably to promote long use and to prevent damage during handling. Transportation & erection, all parts are joined together with galvanised nuts and bolts of suitable size and all bolts are sealed after assemebly, bench top and back planks are treated with special anti-corrosive water proof coating so as to make surface glossy and water proof and as per direction of Engineer-in-Charge.
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