Recharging of Ground Water through dry and defunct handpumps and tubewells through roof top rainwater harvesting structure in District Una (H.P) (SH C/O Recharging Structure at Defunct Handpumps under JS Division Haroli

Amount

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.

Ist class brick work using common burnt clay building bricks in foundation and plinth in cement mortor 1:6 ( 1 cement:6 sand ) complete in all respects within all leads and lifts as per direction of the Engineer-in-charge.

Supplying and packing of broken stone 50 mm Bottom layer complete in all respect within all leads and lifts and to the entire satisfaction as per the directions of Engineer-in-Charge.

Broken stone 50 mm

Supplying and packing of gravel including all type of carriage complete in all respect within all leads and lifts and to the entire satisfaction as per the directions of Engineer-in-Charge.

2nd layer 2.00 mm to 4.75 mm

Supplying and packing of sand including all type of carriage complete in all respect within all leads and lifts and to the entire satisfaction as per the directions of Engineer-in-Charge.

Top layer : Fine sand ( Eff.size 0.20 mm to 0.40 mm & uniformity coefficient 2.00 to 3.00)

Providing and laying cement concrete work 1:2:4 (1 cement: 2 sand: 4 graded stone aggregate 20 mm nominal size) and curing complete excluding cost of from work and reinforcement for reinforced concrete work .in Suspended floor roofs, landing and shelves and their support balconies, beams, girders, bressumers and contilever upto floor two leve Detachable RCC. Slab complete in all respect within all leads and lifts and to the entire satisfaction as per the directions of Engineer-in-Charge.

Providing mild steel reinforcement including bending binding and placing in position.

Providing and fixing around the Twell Nylon mess including all type of carriage & fixing. complete in all respect within all leads and lifts and to the entire satisfaction as per the directions of Engineer-in-Charge.

Providing Laying, jointing and commissioning of HDPE (High Density Polyethylene pipes) of following diameter and class confirming to IS 4984 1995 with fusion welding process including all necessary fitting in all leads and lifts to the entire satisfaction of Engineer-in-charge. (Earthwork in trenches to be measured and paid separately) .

125 mm Φ HDPE Pipe, PN -4.0, PE80 IS:4984

Providing slots in hand pump casing pipe with welding set for recharging/seepage of rain water including all type of carriage complete in all respect within all leads and lifts and to the entire satisfaction as per the directions of Engineer-in-Charge.

KESAR SINGH (BID ID -536926)

Pramodh Kumar (BID ID -536923)