Maintenance and Repair works to Motor and accessories at Rettanai and Katrampakkam Head works

Rewinding of 3 Phase 40HP Centrifigal motor set including cost of material and conveyance charges and including all labour charges and all other incidental charges etc., complete as per standard specification.

Supply and delivery of clear water vertical wet type submersible pump suitable for 200mm 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 continuos rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 and as amended there after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 % (LPM * Head) 600x75

Supply and fixing 6.0 sq.mm PVC insulated and sheathed 3 core flat type copper cable conforming to is 694/1990 and as amended thereafter

Supply of 185sq.mm L.T. Cables 3.5 core 1.1 KV grade Armoured Aluminium conductor cross linked poly ethylene insulated PVC sheathed cables conforming to IS 7098 (Part I)/1988 and as amended thereafter with ISI marking

Jointing of 185sq.mm L.T. Cables- 3.5 core 1.1 KV Grade Armoured Aluminium conductor cable conforming to IS 1554 part I and as amended thereafter with ISI marking

Supply and delivery of 110mm HDPE PIPES PN 10 - PE 100 AS PER IS 4984/2016 FOR POTABLE WATER SUPPLY with I.S.I mark etc., complete as per standard specification. (Bore well Suction Pipe)

Labour charges for 20HP submersible pumpsets and its accessories Removal and Re-erection including cost of material and conveyance charges and including all labour charges and all other incidental charges etc., complete as per standard specification.

Hire charges for deploying earth moving machinery (JCB) for earthwork including diesel, oil and labour charges etc., complete.

Supply and delivery of AC three Phase 4 pole Horizontal squirrel cage Induction motor confiriming to IS 325/1996 and as amended thereafter with Class F insulation to suit the speed of pump and suitable for operation with continous S1 rated, 415 V +/- 10 %, 50 HZ +/- 5%, TEFC (upto 20 HP), SPDP (above 40 HP). The motor offered should be of energy efficient motors.(1500 RPM ) HSC Centrifugal motor ( RETTANAI HEAD WORKS )

Supply and delivery of CI D/F sluice valves with cap along with specials of the 200mm dia in size confirming to IS 14846 / 2000 (PN1) including flanged tail piece and other specials as required, loading, unloading, transportation charges and stacking and jointing including cost of jointing materials but excluding excise duty etc, complete as per standard Specification.