tender for reboring of tubewell place kukara housing dia size 300mm x 200mm. - (a) drilling of bore (a) drilling of 675mm size bore from g.l. to 80 mtr. b.g.l. 2 (b) drilling of 600 mm size bore from(i) 80 mtr b.g.l to 170 mtr b.g.l 3 (c) arrangement of water requiredfor drilling 4 (b) supply & lowering oftubewellassembly (a) 300 mm dia m.s. erw housing pipe 6.8mm thick including jointing in proper position complete in all respect 5 (b) 200 mm dia m.s. erw blind pipe 6.8 mm thick including jointing in proper position complete in all respect 6 (c) 200 mm dia m.s. erw slotted pipe 6.8 mm thick including jointing in proper position complete in all respect 7 (d) 300mm dia m.s. clamp (heavy duty) 8 (e) 300mm dia m.s. well cap 9 (f) 300mm × 200mm dia m.s. reducer 10 (g) 300mm dia m.s. socket 11 (h) 200mm dia m.s. socket 12 (i)200mm dia m.s. bail plug 13 (j)200mm dia m.s. center guide 14 (k) 200mm× 100mmr.s joist (2×3 mtr.) 15 (l)1.6 mm to 4.8 mm size pea gravel from lal kuaw quarry 16 (c) (a) development of tubewell by 250 psi capacity air compressor including transportation, erection and dismantling after completion of work including hire and fuel charging etc complete in all respect 17 (b) development of tubewell by o.p. unit including transportation, erection and dismantling after completion of work including hire and fuel charging etc. complete in all respect 18 (c) yield & vertically test of tubewell 19 (d) chemical & bacterological test of water 20 (e) bericating for safety 21 m.s. gurder h section type heavy duty i.s.i mark gurder i section size 200mm x 100mm for supporting of t/w assembly 300 x 200 mm dia. 22 construction of brick chamber standard sizeor requirment of site for pea gravel & arrangement of r.c.c coloum pipe for lowering & lifting ofpump set i/c require length of m.s. gurderi section size250 x 125 mm. 23 labour charges for lifting motor pump set from old bore and lowering motor pump set in new bore i/c all t& p labour charges etc. 24 (g) supply and fixing material to connect the tubewells line with rising main 01- s/l ofm.s. pipe 150 mm dia i.s.i mark b-class i/c- require dia size flange welded 25 02-s/f ofc.i. band 150 mm diai.s.i mark heavy duty. 26 03- s/f ofc.i. tee 150 mm dia i.s.i mark heavy duty 27 04- s/f ofnut bolt 05 soot x 2 heavy 28 05-s/f of rubber packing 6 heavy 29 06-s/f of m.s. base plate 18 two pice i.s.i mark heavy duty 12 mm thickness 30 07- s/f of n.r.v pipe with one end threading & other end m.s. require size flange welded 150 mm dia. b-classm.s. pipe 31 08- s/f of reflexive valve 150 mm dia i.s.i mark. 32 09-s/f ofsluice valve 150 mm diai.s.i mark heavy duty 33 10-s/f of 16 mm dia copper cable 3 core i.s.i. mark heavy duty 34 11-s/l of submersible pump set 33hp/3 stage motor pump set ksb make 2800 lpm 37 mtr head with 6mm sq 3 core flate copper cable each length 3 mtr long. 35 12- s/f of panel board with suitable length voltage and ampere meter complete single phase preventive device i.s.i mark havells or l&t make 36 13- labour chagrs for laying m.s. pipe & fitting all specialsi/c-all t&p and labour charges and jointing new bore water supply with to rising main line etc.