Name of Work:Works related to construction of 125 mm dia Hand Pump with cement concrete Platform by DTH drilling with long casing and commission with required materials for Hand Pump in all respect in PS Reodar Region (Distt Sirohi) with defect liability period 1 year
Sl. No.
Item Description
1
Construction of tube well from ground level and upto 100 mtr. depth and above of following sizes in all types of soils in alluvium strata, unconsolidated formation such as pebbles, boulders etc. by \"bailing\" method and without gravel packing as per IS:2800 Part 1: 1991 andIS:2800 Part II: 1979 (both amended upto date) and technical specifications. The work includes formation of cavity at bottom by development with appropriate air compressor or bailer pumping and also lowering of casing pipe but excluding cost of the casing pipe.The tube well should have a throughout bore as per nominal dia of casing pipe.The work would be completed after obtaining sand free water.
2
125 mm dia nominal bore
3
Supply of ERW M.S. black casing pipe ISI marked {IS:1239(Part-1:2004)} medium of following sizes at site of work. 125 mm dia NB( Thickness of pipe 4.8 mm & mass of tube 16.40 Kg/m)
4
Installation of India Mark II/III E.D. I & II hand pump set complete on existing platform.
5
Construction of 185 cm dia platform as per approved design and drawing of UNICEF.
6
Supplying of India mark II Hand pump Set complete ISI Marked with cylinder and 15 connecting rods etc.
7
Supply & installation of GI pipe 32 mm medium class “B” with pipe sockets (heavy duty).
8
Labour charges for making slots on blank pipes made of ERW MS black pipe ISI marked of following sizes, the slotting should be as per IS:8110-1985.
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