Karur Corporation_Nammaku Nammae Thittam 2025-26_Replacement of the old 63mm PVC distribution pipe with 110mm HDPE pipe and to extend the 110 mm HDPE pipe of 4500m length for water supply in the extended area. In Zone- 3 at Karur Corporation

Cutting the existing CC surface including clraing away from the site etc., complete

Cutting the existing BT surface including clraing away from the site etc., complete

Earthwork excavating and depositing on bank with an initial lead of 10 metres and initial lift of 2 metres in Sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil including excavated earth SS 20 A

Supply and delivery 110 mm dia of HDPE PIPES - PE 100 AS PER IS 4984/2016 as per directed as directed by dept officers.

Supply and delivery of 168.3X4.5 M.s. Pipes- spiral/longitudidnal welding as per is 3589/2001 with internal lining and external coating made with fe410 as per directed as directed by dept officers.

Lowering of 200mm HDPE PIPES - PE 100 AS PER IS 4984/2016 and specials in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers.

Lowering of 150 mm dia M.S pipes and specials into the trenches and laying to proper grade and alignment andas directed as directed by dept officers.

Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water @ Rs. 60/KL) and testing to recommended pressure inconvenient stretches and attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc., complete for the following diametres of pipes.s Per as directed by dept officers.

110mm HDPE PIPES - PE 100 AS PER IS 4984/2016

150 mm dia MS pipe

Dewatering using 3 HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Supply of MS spiral welded saw pipes - mm OD x mm WR confriming to I.S 3589/2001 made with H.R coll conforming to l.a 2026 Ro 410 grade in double random length with bevelled / plain ends .

Supply and delivery 100 mm dia of DI D/F Gate (sluice) valves (soft seated) resilient seated soft sealing Gate Valves (Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or GGG 50, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to with IS-638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc., complete. Per as directed by dept officers.

100 mm dia

Refilling with excavated soil (other than sand) complying with standard specification for filling in foundation and baasement as directed by the Department officers

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