tender for [ part-a ] sinking of ground bored replacement tube wells, 300mm diameter x 200mm diameter, 125mtr. deep tube well with 200mm dia. fiber glass reinforced epoxy resin strainer 30m. long having 300mm dia. 45m. long mserw housing pipe, 200mm dia. 50m. long well pipe alongwith 3mtr blank pipe all complete including cost of material with proper development and necessary yield for ground water based pwss for head work site of kaliaganj municipal zone-i ( tw1 ) and its adjoining mouzas water supply scheme, district-uttar dinajpur, under raiganj division, phed. [ part-b ] laying of inter-connection of replacement tubewell-i for kaliaganj water supply scheme and its adjoinning mouza water supply scheme at kaliaganj block under raiganj division, p.h.e. dte. in the district of uttar dinajpur