Recharge shaft work at talav near village gaddipura

Construction of tubewell up to 100m depth and above to accomodate housing and assembly pipe in all types of alluvium strata by rotay drilling method with "code of practice for construction and testing of tubewells (IS:2800 (Part-II) : 1991 and IS:2800 (Part-II) :1979 both amended up to date) with supply of bail plug if necessary.The work will not include cost of housing pipe and strainer pipe assembly cost, gravel and development work. Work would be deemed completed only after obtaining sound free water during pumping. 250 mm nominal bore

Excavation including loading, unloading, disposal and dressing of excavated earth within initial lead of 50m and lift up to 1.50 m including dressing of excavated area, dewatering wherever required complete in all respect. Hard soil/Dense soil

Providing and Laying in position of Cement concrete Nominal mix (1:2:4) including leads of all construction materials, curing, compaction and finishing with rendering in cement sand mortar 1:3 (1 cement : 3 coarse sand) and making good the joints excluding the cost of centering, shuttering and reinforcement. Well graded crusher broken stone aggregate of maximum size upto 20mm

supplying and laying aggregate in layers and profile as specified including all leads & lifts . This item is to be used only for laying filter / inverted filter . Inverted filter

Broken ballast 20 to 40 mm size

Broken ballast 40 to 80 mm size

Supplying and laying sand of grade as per design requirement in required profile including all lead & lifts.This item is to be used only for laying filter / inverted filter Inverted filter

Supply & fixing Pre-cast RCC Rinngs at the mouth of recharge shaft of M20 mix with 40 mm thickness Diameter 900 mm

Supply of strainer pipes made of ERW M.S. black pipe ISI mark of following sizes at the site of work including required size of slotting as per IS:8110-1985. 250mm nominal bore