PROVISION OF BOREWELL AT RADAR STATION BELEKERI KARWAR UNDER GE (I)(CG) GOA

Amount

M & L Trial bore of 150 mm size bore through any soil strata including hard stone/ boulder by means of direct ratary method below ground level complete all as specified and directed.

Drilling reaming vertical bore 200 mm dia at approved site/location in any type of strata for 150 mm ERW casing pipe for various depth as shown below including all works to pertaing to boring complete all as specified and directed.

Supply and assembling including jointing, lowering and fixing in position ERW plain steel pipe (Seemless) housing pipe150 mm bore (nominal dia) 4 mm thickness and outer dia of pipe 220 mm shall be heavy duty 'B' class confirming to IS-4270 plain end pipe jointed and welded coupler ring (welding shall be done through out circumference of the pipe and coupler ring both sides complete all as specified and directed. [Note :- Length of pipe shall not less than 6.00 mtr].

S & F Stainer (slotted) pipe V wired 150mm bore 4mm thick confirming to IS-4270 fabricated with pipe slot of size 1.55mm x 75mm as per IS provision uniformly distributed on the surface complete all as specified and directed.

S & F Wrought iron bail plug 150 mm bore complete all as specified and directed.

S & F Well cap for 170 mm dia housing pipe complete all as specified and directed.

S & F 2 Nos MS flat iron 150x15 mm housing clamp for holding to 150 mm dia housing pipe with 16 mm dia MS bolts & nuts and washers complete all as specified and directed.

M & L for development of tube well by means for over pumping velocity filling 600 PSI air compresser including equipment fitting and supply sodium hepta sulphate 60 Kg complete all as specified and directed.

M & L Biological and potability testing of water sample carried out from NABL approved lab water testing to be done for organoleptic & physical parameter for general parameters concerning substance undesireable in excessive amount for parameters concerning toxic substance for pesticide residual limit and biological test of water smple as per IS 10500:2012 complete all as specified and directed.

M & L Yield testing of bore well by continous pumping for 16 hrs to determine safe pumping yied of the tube well complete all as specified and directed.

M & L Electric logging in trial bore perecise delineation of granular zones and also the quality of ground water including reports interpretation complete all as specified and directed.

Supplying and lowering of High density polyethylene pipes (HDPE) of pressure rating 16 kg/Sq cm, fixed complete to walls, ceilings or in floors, lowering in to borewell as column pipe etc. of size 40mm nominal dia, ISI marked including fixing of necessary SS nipple on both sides for fixing of submersible pump and existing water supply pipe line with flanges and bolts & nuts required at site etc complete all as specified and directed.

S & F GI Medium grade 32mm dia any length ISI marked including all new ISI marked fittings like like bends, tees, sockets, reducers etc., including jointing, threading works required at site and breaking of wall/PCC flooring, pipe line supports etc for laying pipes and making good the disturbed surfaces and make leak proof joints etc complete all as specified and directed.

Supplying, installing, testing and commissioning multi stage submersible pump capable to deliver 30 to 50 LPM or more water at head upto 120 Mtr (approx) lowered into 150 mm dia borewell and connected with 40mm dia HDPE column pipe and 2.5 Sqmm copper conductor submersible cable having dilfuser casing construction and bronze impellers dynamically balanced rotor and pump shaft with impeller with outlet size 40mm and motor 5 HP suitable for operation on 3 phase 415 volts, disc suction strainer cable guard etc. complete all as specified and directed.

Supplying, installing, testing and commissioning Open-well Submersible pump, electric driven 415 V, Three Phase, 5 HP, 1400 RPM pumping head 32 M, 120 LPM suitable for pipe size 50 x 32mm including DOL Starter and all necessary fittings for sump to motor complete all as specified and directed.

Supply install test and commission LT Panel board, TPN 415 Volts, 50 Hz, 200 Amps capacity bus bar as Per IP-54, feeder pillar box out door cubical type floor mounted factory made double door dust and vermin froof fabricated out of CRCA sheet not less than 3.15 mm thick fixed on angle iron frame made out of 40x40x5 mm with cable chamber for individual feeders for incomming and outgoing connections, one set of indicator lamp RYB with switch and fuse, multifunction intelligent panel meter and space required for starter etc and with the followings all as specified and directed.

INCOMING:- (a) MCCB with thermal release, 4P , 40 Amps 415 V, 16 KA - 01 Nos (Incoming) OUTGOING:- (a) MCB TPN, 32 Amps 240 Volts, 10 KA - 01 No (b) Submersible Pump DOL Delta Starter-01 No

Supply, laying and testing cable XLPE Insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 16 Sq mm 4 core complete all as specified and directed.

Excavation in trenches not exceeding 1.5 meter wide and not exc 1.5 mtr in depth for laying cable etc and getting out in soft / disintegrated rock complete all as specified and directed.

M & L Sand cushioning with river washed and screened dry fine sand to under ground cable 23 cm thick, 15 cm below the cable and 8 cm after laying the cable, duly punned complete all as specified and directed.

Returning filling in including spreading, levelling, watering and well ramming, in layers not exceeding 25cm thick complete with in soft disintegrated rock complete all as specified and directed.

Removing excavated surplus soil material n exc. 50m and depositing where directed at a level n exc. 1.5m above the starting point complete all as directed all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover, class LV, type 1 with peak size 250 x 150mm x 40mm complete all as specified and directed.

M & L Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, using galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion complete all as specified and directed.

S & F PVC insulated and PVC sheathed multi stranded copper conductor cable for submersible pump set, ISI marked, conforming to IS-864 of size 3 core 2.5 Sqmm, 1100 volts grade, including necessary water proof connection to submersible pump at cable lead complete all as specified and directed.

U k Enterprises (BID ID -3057445)

M/S KAMALKANTH NAIK (BID ID -3055230)

K M SUBHANAIAH (BID ID -3057975)

ABDUL RAHIM (BID ID -3057797)

K.G.SHANKER (BID ID -3055478)

D.K. ENTERPRISES (BID ID -3053505)

M/S MANOJKUMAR M NAGARKATTE (BID ID -3051858)