PROVISION OF RAIN WATER HARVESTING SYSTEM AND ALLIED WORKS FOR HQ TPT COY IN THE AREA OF AGE E M III UNDER GE U WATER SUPPLY DELHI CANTT10

Amount

Excavation in trenches not exceeding 1.5 meters wide and not exc. 1.5 meters deep for laying PVC under ground cable and CI/GI pipe line / pit chamber in soft soil, getting out and leveling of bottom surface to required level complete all as specified and as directed.

Excavation over areas not exceeding 1.5 mtr deep and getting out in soft/loose soil

Excavation in over areas trenches exceeding 1.5 meters and not exc. 3 meters depth soft loose soil complete all as specified and as directed

Returning, filling including spreading, levelling, watering & well ramming in layers not exceeding 25 cm thick

Removal of excavated material from site to a distance not exceeding 50 meters away and depositing where directed at a level not exceeding 1.5 meters above the starting point complete all as specified and as directed

Material and labour for brick aggregate of size 40 mm to 63 mm in rain harvesting pit as a top layer 500 mm.

Material and labour for charcoal for second layer of rain water harvesting pit in layer of 100 mm.

M&L for filling sand in the bottom layer of rain water harvesting pit. (The sand particals should be of size 1.5 to 2.0 mm) and to be 200 mm thick.

M& L for providing non woven geotextile membrain of 120 GSM on the top layer of rain water harvesting pit. The size of the membrain should be of the size of rain water harvesting pit so that it can cover the entire pit and all the water should pass through this membrain.

Material and labour for PCC (1:4:8) type D-2 (using 40 mm graded stone) aggregate as in foundation, flooring sub base complete all as specified and as directed.

M&L for pre cast RCC covers made in 1:2:4 type B-1 as in detachable slab of size 2.0x2.0x0.15 meter inclusive form work and setting in cement mortar 1:4 complete all as specified and as directed.

Supply and laying PVC(SWR) pipe of size 110mm bore single socketed with Rubber ring joint laid in trenches or floor with and incl. all fittings complete all as specified and as directed

Material and labour for Brick work with sub class 'B' bricks straight or curved on planexc. 6M mean radius built in CM (1:4) complete all as specified and as direcetd.

Rendering 10 mm thick with cement martar (1:6) on fair faces of brick walls for finishing the surface even and fair complete all as specified and as direcetd.

M&L for sign board made out of 2mm thick sheet steel of size 120x90Cms painted both side with two coats of synthetic enamelled paint of approved colour over a coat of red oxide primer and writing both side "rain water harvesting pit No ,GE (U) water supply" with white paint over approved painted back ground and embedded in and including PCC at 2 mtr height above ground level complete with angle iron legs-02 Nos of size 50x50mm complete all as specified and as direcetd.

MRITUNJYA ASSOCIATES

somyaenterprises

Ayushmat Contractors