1no new clustered consisting 6 nos. LDTW(solar) with PVC pipe at Mouza- Derpur , Block Sainthia

Part- A : Drilling & Lowering of LDTW 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 the same all complete and other incidental works in this connection. The bore hole should have minimum 65 mm gap in between outside of the tube well pipe and the bore. For lowering 100 mm dia PVC pipe

For lowering 150 mm dia 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) pipes, blank pipe.

iv) 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 all complete as per direction of Engineer-in-Charge .

Supplying, fitting and fixing including supplying of suitable jointing compound for fixing in position, threading, if necessary etc. all complete. a) 100 mm dia CI/Steel cutter piece upto 450 mm long with socket.

b) 100 mm x 150 mm UPVC reducing socket .

c) 150 mm dia GI threaded top cap fixed in position.

Washing and development by pumping with 30 cum per hour capacity pump for a period till sand free water comes out and the discharge is about 30 cum per hour, followed by final yield test; inclusive of all tools, plants and scaffolding and hire charge of submersible pump, generator etc. all complete.

Making arrangement and showing verticality test including cost/hire charges of necessary tools and plants, scaffolding, labour etc. – all complete as per direction of Engineer-in-Charge.