procurement of tubewell material, at different sansad under no. 6 danga g.p., p.s.:- balurghat, dist.:- dakshin dinajpur under 15 th. c.f.c. fund, 2021-2022. aap -311 / 21-22 work id: 46716745- 1 barrel ( weight-7.5-8 kg. / each ) [ kamal maya ] . 2 head cover ( wt.- 2.50 kg. / each ) [ kamal maya ] 3 handle ( wt. at least 2.75 kg / each ) ( phe / kamal maya ) . 4 long socket ( 1.5 inch dia 6 inch length ) [ tata ] . 5 piston rod ( 10 mm dia. & length 18 ) round [ kamal maya ] . 6 washer poly ( tata / elephant ) . 7 check valve ( leather- bata-red / mlp ) . 8 weight ( best quality ) . 9 nylone net ( 18 inch wide ) . 10 m.s. clamp for setting tube well base ( wt.- 800 gm. ) . 11 nipple ( 1.5x40 both side nickleing galvanised ) [ tata ] . 12 p.v.c pipe 1.5 inch dia. ( wt.- 40-42 kg. / 300 ft. roll ) [ baba ] . 13 base plate ( wt.-2.5-2.75 kg / piece ) [ kamal maya ] . 14 plunger ( weight- 0.80 kg. ) [ kamal maya ] . 15 head nut with bolt ( length- 4 ) long threaded. 16 base nut with bolt ( length-3 ) long threaded. 17 handle nut with bolt ( length- 4 ) . 18 nylone rope per lachhi