Details: drilling : - drilling of bore hole of suitable diameter upto required depth by water jet system through any type of soil including hire and labour charges for boring pipes, scaffolding, other tools and plants etc. and taking out same all complete and other incidental works in this connection. the bore hole shouid have minimum 65 mm gap in between outside of the tube well pipe and bore i) for lowering 100mm. dia gi/pvc pipe ii) for lowering 150mm. dia gi/pvc pipe labour charges for lowering of pipe, strainers, blank pipes etc. and fitting, fixing the same including cutting, threading where necessary complete including bucket washing and other incidental works in this connection. i) 100 mm dia upvc pipe with bottom cutter, screen (ribbed) pipe, blank pipe. ii) 150 mm dia upvc housing pipe supply of gravel for use as pack in the tube well of 2mm to 4mm size (as per is:4097) and gravel treatment of tubewell including screening washing, cleaning etc. of the gravels at the site al
Sector: Water Resource Department