1 | Boring for tubewell in all types of soil except shingle and rock, from ground level to 100 ft. (30 1000m) depth, including sinking and withdrawing of casing pipe, complete:-
d) Pipe size |
2 | Boring for tubewell in all types of soil except shingle gravel & rock, from a depth of 100.1 ft. to 1000 ft. (30 to 200 m) below ground level, including sinking and withdrawing of casing pipe, complete:-
a) pipe size |
3 | Providing strong substantially built box of deodar wood 4' x 2.5' x 9" with compartments, lock and locking arrangements, for preserving samples of strata.
4" i/d (100 mm) |
4 | Providing and installing, P.V.C./ Brass/GRP strainer B.S.S. Class 'B', in tubewell bore hole, including sockets and solvents, etc
complete:-
b) Size according to requirement |
5 | Providing and installing P.V.C./MS/GI blind pipe, B.S.S. Class `B', in tubewell bore hole, including sockets and solvents and jointing with strainer, etc. complete.
b) 4" i/d (100 mm) |
6 | Providing and installing P.V.C. blind pipe (house), B.S.S. Class `B', in tubewell bore hole, including sockets and solvents and jointing with strainer, etc. complete.
d) 6" i/d (150 mm) |
7 | Providing and installing P.V.C. Bail/End plug, in tubewell bore hole:-
i) B.S.S. Class `B'
b) 4" i/d (100 mm) |
8 | Testing and developing of tubewell of size 6" (150 mm) i/d and above continuously.
i) upto 1.5 cs. Discharge |
9 | Providing and laying of plain cement concrete 1:2:4 with 3/4" and down size gravel including placing, compacting, finishing, curing etc for pump foundation as per given design i/c cost of form work complete in all respects. |
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10 | Taking soil samples after every 10 feet depth or from each strata change, testing and submission of complete results of strata analysis. |
11 | Providing and installation of PVC 6"x 4" size reducer complete i/c its jointing with housing and blind pipe. |
12 | Providing and fixing of PVC cap to cover the pump housing. |
13 | Providing and fixing on the pump housing pipe of 6" dia at the location in pump foundation, as shown in the Drawing MS, Suspension Clamp of 5ft length made of 8"wide and 1/2" thick MS Flat complete with 4 No. 5/8 " dia nuts and bolts complete in all respects. |
14 | Chemical and becteriological testing of water samples. 3 Nos |