tender for operation & maintenance of hand tubewell involving the expenditure with regard to labour and material charges for lifting, sinking and resinking of existing tubewell and supply of necessary spare parts required during the work in different locations within ranaghat municipality , cost for lifting of tubewell with poly pipe & filter , cost for sinking of tubewell including making thread and necessary base concrete for fixing the tubewell body complete in all respect. , hire charges of casing (max length 3.00 m) , cost of poly pipe (40 mm dia) for tubewell , cost of poly filter (40 mm dia) - [specify: each or mtr] , cost of g.i nipple length 0.90 m , cost of cast iron hand pump set (jubilee make) , cost of pump head cover (palko or jubilee make) , cost of the barrel (palko or jubilee make) , cost of pump base (palko or jubilee make) , cost of pump handle (palko or jubilee make) , cost of piston rod (12.5 mm) local make , cost of plunger (palko make) , cost of leather valve (english or hati make) , cost of pvc bucket (standard size) , cost of weight , cost of base nut , cost of head nut , cost of handle nut , cost of 40 mm dia 100 mm length socket , cost of pvc cap / pipe cap , cost of clamp for fixing g.i nipple , cost of base concrete (1:2:4) 300 mm dia & 450 mm depth including change of nipple with necessary repairing , hire charge of 1000 lit water tank