RIGBORE

Labour for boring through any type of soil for sinking tube well of required dia. with top enlargement by rig boring system (either by reserve circulation or by direct rotary method) including hire charges and labour for rig machine, tools and plants, staging, force pumping set and making arrangement for water required for boring etc. complete and lowering of pipes, strainers, blind pipes etc. complete. (b) For depth upto 250 metre for 150 mm dia. Tube well with top enlargement of 250 mm dia. (upto 50 metre). (i) First 50 metre

Labour for boring through any type of soil for sinking tube well of required dia. with top enlargement by rig boring system (either by reserve circulation or by direct rotary method) including hire charges and labour for rig machine, tools and plants, staging, force pumping set and making arrangement for water required for boring etc. complete and lowering of pipes, strainers, blind pipes etc. complete. (b) For depth upto 250 metre for 150 mm dia. Tube well with top enlargement of 250 mm dia. (upto 50 metre). ii) Next 50 metre

Supplying, fitting and fixing 65 mm dia. deep well brass cylinder with necessary fittings and accessories.

Supplying, fitting and fixing heavy type bell mouth reducing socket. (ii) 75 mm X 150 mm

Supplying, fitting and fixing 15 mm dia. galv. M.S. connecting rod with sockets.

Supplying, fitting and fixing G.I. cap at top (ii) 150 mm

(A) Supply of E.R.W.M.S.(Electrical Resistant Welded M.S.) black pipe of of TATA make (heavy quality) a per standard specification, 5mm thick. (i) 100 mm dia. (internal)

Packing the annular space between the outside of the tube well pipes & strainers and the bore with pea size washed gravel of approved quality having size from 2 mm to 5 mm or the size approved by the Engineer-in charge including cost of all materials labour and equipment complete.

Collecting sample of water for bacteriological and chemical test from any depth at any time during execution ...... testing etc. complete in all respect as per direction.

Washing and developing tube well with air compressor pump and engine for 8 (eight) hours continuous pumping per day ….. and labour charges for all tools and plants and scaffolding as required.

Supplying and installation of submersible pump 3 HP MS 66 (Pump type) ST 037 motor type approved brand etc. all complete as per direction of EIC.

Supplying and fitting 2.50 sqm. 1.1 kv GD 3 core PVC flat copper submersible cable (Finolex/Havels/Polycab/Mescab)

Supply of submersible pump controller single phase 3 HP 230V, 50HZ starter having relay range 13-22 Amp (Make L & T /BH/ ABB/any other approved make)

Supply of PVC pipes & fittings Schedule 80 (medium duty) conforming to ASTMD – 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). (A) PVC Pipes 50 mm dia.

Pump house with GCI Sheet roofing and walling with necessary frame work with pre-cast post and angles Etc. all complete as per direction of Engineer-in-charge.

Providing & fixing Concrete Sign Board as per IRC specification of size 900mm x 750mm x 37mm. thick made with RCC 1:1½:3 ……. Etc all complete as per direction.

Add GST @ 18%

Add Cess @ 1%