Providing 4 inch HDPE pipe line arrangements at Zone 1B , Zone 9 , Zone 3A, Zone 3B in Sivakasi City Municipal Corporation

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches for laying of pipes for water supply in the following type of soils Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil as Directed by the Departmental officers

Supplyof Materials

110 mm HDPE pipe PN 8

110 mm HDPE Bend

110 mm HDPE Tee

Supply and delivery 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 and with 5 years warranty

Lowering 110mm HDPE Pipe pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers

Refilling the Excavated trenches after laying of 110mm HDPE Pipe Complete as per standard Specification

Removing of Existing 83mm Paver block including cost of all labour charges for disposal from site

Labour for cutting open road for laying water mains or sewer.B.T. Roads (or) Maccadam road

Supplying and filling in foundation and basement with Crushed Stone Sand (M- Sand) in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

Plain Cement Concrete 1:2:4 (one cement, two Crushed Stone Sand (M- Sand) and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

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