CO recharging of ground water through dry and defunct hand pumps through roof top rain water harvesting structure under JSV Division Sundernagar Tehsil Sundernagar Distt. Mandi H.P.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. complete in all respect and as per direction and to the entire satisfaction of the Engineer-in-charge.

Brick work using common burnt clay building bricks in foundation and plinth in Cement Mortar 1:6 (1 Cement : 6 Sand) Second Class Bricks in all leads and lifts.

Providing and placing of broken stone in bottom layer 50 mm thick, including spreading, dressing, levelling and compaction complete.

Providing and placing of gravel in 2nd layer, of size ranging from 2.00 mm to 4.75 mm, including spreading, dressing, levelling and compaction, including all types of carriage of materials complete.

Providing and placing of fine sand in top layer, having effective size ranging from 0.20 mm to 0.40 mm and uniformity coefficient ranging from 2.00 to 3.00, including spreading, dressing, levelling and compaction, including all types of carriage of materials, complete.

Providing and laying cement concrete 1:2:4(1Cement :2 sand:4 graded crushed stone aggregate 20mm nominal size and curing completre excluding the cost of form work and reinforcement for reinforced concrete work in all leads and lifts in :- Suspended floors, roofs, landing, shelves and their supports balconies, lintels, beams girders bresumers and cantilevers upto all floor two level . (Detachable RCC Slab)

Providing tor steel reinforcement for RCC work including bending, binding and placing in position complete upto floor two level in all leads and lifts.

Providing and fixing nylon mesh around the pipe, including all types of carriage of materials and fixing complete.

Providing, laying, jointing and testing of HDPE pipes in trenches to required grades as per IS: 4984-1995 latest with up to date amendments of following OD pipes, material grade and class of pipes. The jointing of pipes should be done by way of butt fusion welding as per relevant IS Code and specifications including all fittings and accessories e.g. coupling, TEE's, bends, reducers, screwed adopters, flanged tail pieces etc. complete in all respect. 125mm dia PE-80 PN-4

Making slots in hand pump casing pipe by welding/cutting set for facilitating recharge/percolation of rain water, including all types of carriage, labour, tools and equipment, complete in all respects as per IS 8110 and as directed by the Engineer-in-Charge.”