Providing Bore Well and HDPE Tank With Platform to Pulikoradu in Ward No.32 in Zone 4 Tambaram Corporation

Conducting physical survey for identification of suitable location for borewell including the loading, unloading and transporting charges for machineries etc., complete as per standard spedifications.

Drilling of 150mm dia Vertical bore in hard rock area using DTH RIG including labour charges for inserting casing pipe assembly in the drilled hole including the transporting charges for the rig and supporting vehicles etc complete

Supply of 150mm dia PVC casing pipe with including cost and conveyance of pipes to work site and all handling charges etc complete TWAd SOR P.14D

Supply of 200mm dia PVC casing pipe with including cost and conveyance of pipes to work site and all handling charges etc complete TWAd SOR P.14D

Supply and delivery of 63mm dia HDPE pipes PE 100 AS PER IS/4984/2016 (Pre -Comp[ouded Resin) PN 8 including cost and conveyance of materilas to work site etc completed as per satndard Specification.(TWAD SOR 2025-26 Page No 16 Uniquue code No WD -M0205)

supply and delivery of clear water vertical wet type submercible pumpset suitable for 150mm dia borewell conforming to IS 8034/2002 as amended thereafter and BEE 3 star rated capable of discharging noted LPM against head of water column due to all causes.The pump shall be with stainless steel shaft and dynamically balanced bronze or cast SS impeller ,brass screws and CI FG 200 Grade pump bowl /diffuser with ISI mark.The pump shall be directly coupled to a continous rated two pole suitable wet type vertical squirred cage induction motor as per IS 9283/1995 as amended there after ,suitable for operation in AC three phase 415V+/- 10% ,50 H2 +/- 5% without panel board (TWAD SOR 2025-26 Page No 119 Clause 3.1 Unique code WD -M1632)(75 pmx175m 5HP)

Supply and delivery of Star-Delta starter confirming to IS 13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/ Three Phase/50HZ (+/-5%) and 415V (+/-10%) including 3 pole magnetic contactor with under voltage release - 3 Nos., CT operated Ammeter (65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector switch, Miniature circuit breaker, Thermal Overload relay, Air Break contactors suitable for next Stan- dard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 sq. mm copper pvc insulated cable, powder coated vermin proof box, including the capacitor (the cost of capacitor is to be taken separately).(TWAD SOR 2025-26Page No 120 clause 11.20 Unique code WD -M1915)7.50HP

Supplying and fixing of PVC insulated and sheathed 3 core 4sq.mm Flat type Copper cable cofirming to IS 694/ 1990 and including cost and conveyance of all materials to site and labour charges etc, complete as per standard specification.(TWAD SOR 2025-65 page No140 Clause 12.1 ,Unique code WD-M1975)

Labour charges for the erection of submersible pump set in bore well/open well including fixing and jointing submersible cable with proper clamps up to the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges up to the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventer, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pump set and trail run for 10 days. (TWAD SOR 2025-26 Page No 225-226 ,ll Rates of works (E -Miscellaneous Worksitems Unique code 17 c WD -W0872)above 5.00HP to 10.00HP

Supply and delivery and fixing of HDPE tank as per IS 12701 / 1996 includingloading,unloading,transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges etc.,