Construction of recharge pits for Rain water Harvesting at various Assests of JMC

Earth work in bulk excavation by manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m, as directed by Engineer-in-Charge. All kinds of soil :

Dry stone pitching 22.5 cm thick including supply of stones and preparing surface complete.

Gravel packing in tube well construction in accordance with IS: 4097, including providing gravel fine/medium/coarse in required grading and sizes as per actual requirement all complete as per direction of Engineerin-charge.

Supply and inseting into the excavated pit, plastic drum of minimum volume 200 litres made of HDPE material capable of withstanding the pressure moist conditions under ground. The drum shall be lowered into the pit on top of the stone soling and packed firmly all around with stone soling and gravel packing Complete.

Engaging labour for making perforations in the plastic drums and removal of base of drum and lowering the drum inside the pit (total 3 hours operation).

Providing and fixing on wall face un-plasticized Rigid PVC rain water pipes conforming to IS: 13592 Type A including jointing with seal ring conforming to IS: 5382 leaving 10 mm gap for thermal expansion. 110 mm diametre

Providing and fixing on wall face un-plasticized - PVC moulded fittings/accessories for un plasticized Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion. Bend 87.5° 110 mm bend

Providing and fixing on wall face un-plasticized - PVC moulded fittings/accessories for un plasticized Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion. Single tee without door 110x110x110 mm

Providing and fixing in position precast R.C.C. manhole cover and frame of required shape and approved quality. Circular shape 560mm internal diameter