Construction of 150 mm diameter Tube Well Supply and Installation of Energy Efficient 5 - Star Submersible Pump Set (ISI Mark) and Providing, laying and Jointing of HDPE 90 MM pipe line at Various Location under jurisdiction of city Sub division-II

Construction of tube well from ground level & up to 100 mtr depth to accommodate housing and assembly pipe of following sizes in all type of alluvium strata unconsolidated formation such as pebbles, boulders etc. by percussion/rotary drilling method as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended upto date) and technical specifications, with gravel as per IS:4097-1967 and it's packing as per IS: 2800 (Part I & II) 1979 as amended up to date (the work includes the cost of gravel & it's primary packing and packing during development, lowering of housing & strainer assembly pipes with supply and wrapping of coir-rope, wherever necessary for arresting fine sand particles and development work, but excluding the cost of housing and strainer pipe assembly). The work would be completed after obtaining sand free water. Rates are exclusive of GST.

Nominal bore 150 mm dia.

Construction of tube well after completion of drilling by rotary method & upto 100 mtr. depth in all type of rocks by DTH system as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended upto date) and technical specifications. The work shall be deemed completed only after obtaining sand free water. The bore well should have a throughout nominal size bore beyond casing pipe. Rates are exclusive of GST.

Nominal bore 150 mm dia.

Add 15% extra on above item (Item No 2.3.1 to 2.3.3) for drilling depth beyond 100 mtr and up to 200 mtr from ground level, rate shall be applicable for only extra depth beyond 100 mtr and up to 200 mtr. Rates are exclusive of GST.

Supply of ERW M.S. black casing pipe ISI marked (IS:4270/2001) or amended up to date Rates are exclusive of GST.

150 mm dia NB(Thickness of pipe 5.0 mm & mass of tube 20.13 Kg/m)

Labour charges for making slots on blank pipes made of ERW MS black pipe of following sizes, the slotting should be as per IS:8110-2000 or as amended up to date. Rates are exclusive of GST.

150 mm dia nominal bore.

Supply & Installation of 3 phase ISI marked submersible motor pump set of Three star or better rating by BEE and as per IS: 8034-2018 (pump) and IS 9283-2013 (motor) or as amended up to date of approved make of following duty condition with required accessories including making connection suitable for tube well/DCB. The job includes lowering of motor pump, installation of complete fitting & accessories, jointing of electrical cables up to switch board, testing of submersible pump set and interconnection up to water mains, complete in all respect. Rates are exclusive of GST.