Development of Providing and Fixing precast RCC benches with armrest in different park in ward no-28 and 31 (AC-07 Bawana) Horticulture Department Narela Zone.

Development Providing and Fixing precast RCC benches with armrest in different parks in ward no-28 & 31 (AC-07 Bawana) Horticulture Department Narela Zone.

Providing an fixing of precast RCC chair bench with arm rest each bench consists of 2 no. L-shaped based support in grey cement color(thickness 80mmx90mm, 890 mm back height; 450mm front height with base width 690 mm) and 1 no. reinforced concrete plank in red color of size 1500 mm x 400 mm x50 mm total height of the bench 890 mm manufactured using cement concrete 1:1. 5:3 (1 cement 1.5 coarse sand: 3 stone aggregate 12.5 mm nomnal size) using vibro compaction process reinforced suitable 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 assembly, 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 Officer-in-charge Size: Length 1500mm Back Height 890 mm Base support 690 mm Front height 450 mm Seat - 2 Nos. Planks of size 1500 mm x 400 mm x 50 mm And 1 No Planks of size 1500 mm x 425 mm x 50 mm Total length of support & arm - 2.75m in/c curved portion x-sectional area = 0.08 x 0.09 = 0.0072 sqm. Total length in/c curves Qty of RCC = 2 x0.0072 x2.75m = 0.0396 cum