SPECIAL REPAIR FOR REPLACEMENT OF BOREWELL AGAINST BER AT TRG AREA, HORN LINE UNDER GE (WEST) MATHURA

Amount

Trial bore of 250 mm dia upto 200 meter depth below ground level in any kind of soil strata including hard stone/boulder including electric logging, MS cap, MS flat iron clamps, reducing socket etc.(02 Nos of borewell) complete all as specified and directed. Note :- 1. Before trial bore Contractor will submit ground data report of aquifer from any govt/govt approved Lab. Note :- 2. Contractor will install a Stainless Steel Board of 04X03 feet by grouting in ground with PCC 1:2:4 and write Date of Borewall, Job No. Office address, CA No. Name of Contractor all as directed by Engr-in-Charge.

Development of trial bore by reaming in following step:- (a) From 250mm to 350 mm (b) From 350mm to 450 mm (c) From 450mm to 550 mm (d) From 550mm to 650 mm (e) Reaming upto 675 mm for 60 RM from ground level including MS ERW casing pipe of 350mm dia ISI Marked Having thickness 8 mm, Pea gravel of thickness 309 mm around the Casing pipe.

Development of trial bore by Reaming upto 525 mm from depth 60 meter to 100 meter including MS ERW slotted casing pipe of 250 mm dia having thickness 8mm and 259 mm pea gravel around the Casing pipe complete all as specified and directed.

Supply and Fixing for MS reducer, bail plug 4.8 mm thickness, well cap, MS strip for centering, MS iron clamps, electric logging and sample strata box complete all as specified and directed. Note :- 1 Contractor will perform electric loging by resistivity method and submit the ground strata report of aquifer before performing the trial bore

Development of tube well with compressed air and after with 25% extra capacity pump by pumping muddy water complete all as directed and specified.

Yield test for the bore well by continuously pumping for 16 hours to determine safe pumping yield complete all as directed and specified.

Supply and laying galvanized iron pipe, “Heavy class” flanged ends with rubber sheet, nut bolts etc ,100 mm (4”) bore ISI Marked complete all as directed and specified.

Supply, installation and testing of submersible pump motor copper winding 15KW/20 HP @70 Cum/Hr LPM at 50 mtr head from Ground level KSB Pump type BPHA-333/4F and Motor type UMA H 150-15/23 or equivalent complete all as specified and directed.

Supply, laying and testing Flat Copper conductor Submersible Cable of capacity 3 core 10 sqmm complete all as specified and directed.

Supply, installation and testing NRV 100 mm dia PN 1.6 ISI Marked complete all as specified and directed.

Supply, installation and testing Sluice valve 100 mm dia PN 1.6 ISI Marked complete all as specified and directed.

Suppying, laying,installation and testing ductile Iron pipe including rubber joints, Class “K-9” ,150 mm (6”) bore complete all as specified and directed.

Supply & fixing starter with fully automatic star delta ( FASD) starter/controller with in built WLC suitable for 20 HP, 3 phase, 415 volt AC, AC-3 duty Submersible motor pump in sheet steel enclosure with IP 54 protection to changeover from star winding to delta winding with the help of electronic timer, having ON/OFF operation and overload protection with additional features like Auto ON (with 30 sec ON Delay), indications of supply ON/OFF and pump ON/OFF, reading of real time voltage & current of pump with unique dual analog meter, single phasing protection relay (SPPR), relay range 28 to 42 Amp, wide band coil operation from 65% to 110% of rated coil voltage - 380/415 Volt, phase-reversal protection, phase-unbalance protection, variable time-delay adjustment inside controller complete in all respect and conforming to IS/IEC 60947-4-1 standards complete all as specified and directed.

M & L for excavation in trenches not exceeding 1.5m deep and not exceeding 1.5m wide and getting out in hard/dense soil complete all as specified and directed.

Returning, filling, leveling, watering & well ramming in layers not exceeding 15cm complete all as specified and directed.

Removing excavated material to a distance not exceeding 1.5m above the starting point and depositing where directed at a distance not exceeding 50m away from the starting point complete all as specified and directed.

Supply laying and fixing DI fittings for Ductile iron pipes Bends upto 150 mm(any type, radius and angle) tapers any type,(straight, bend, increasing,decreasing or double socket etc.)Tee pieces single branch. "Y"junction, double branch,cross (all sockets or socket and spigot) collars, caps and plugs Class LA,in any length, laid in trenches complete all as specified and directed.

M/S S S CONSTRUCTION (BID ID -3152019)

M/S A.K. ENGINEERS (BID ID -3153257)

Karman Infra Projects (BID ID -3153111)

M/S DEVENDRA KUMAR GUPTA (BID ID -3145405)

VIJAY ENTERPRISES (BID ID -3145525)

M/S A A DRILL EXPERT (BID ID -3145369)

prabhave traders (BID ID -3145523)