CGF 2026-2027 Improvement of Water Supply Scheme in Thevur Town Panchayat

Earthwork execavation in all types of strata for laying pipeline in respect of following size of pipe with standard trench width and required depth including shoring strutting, bailing out water wherever necessary and all other incidential works such as barricading, providing danger lights labour for watch and ward and directed by TWAD Board Officers. 300mm DI pipe K7 pipe

Supply and delivery of Ductile Iron socket/spigot pipes for class K7 as per IS8329/2000.The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, taxes and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers. 300mm DI pipe K7 pipe

Lowering of C.I/ D.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers. 300mm DI pipe K7 pipe

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials) 300mm DI pipe K7 pipe

Testing of MS / CI / DI / PVC HDPE pipes with hydraulic testing equipment by filling with water (including cost of water Rs.60/KL) and testing to recommended pressure in convenient stretches and attending the burst if any occurred during the test, excluding the cost of pipes but including other incidental and operation charges etc 300mm DI pipe K7 pipe

Refilling the trenches with excavated earth (other than sand) in respect of following sizes of pipes in layers of 15 Cm thick well rammed, watering consolidated and complying with standard specifications for filling the trenches after the pipes and specials are laid jointed and tested removing and spreading the surplus earth at the places shown by the TWAD Board officers 300mm DI pipe K7 pipe

Manufacture, Supply and Delivery of Tamper proof of following sizes of DI single chamber air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works. 50mm dia Air valve for 300mm Main

200mm dia Air valve for motor line

Supply and Delivery of DI D/F Gate Valves (soft seated) resilient seated soft sealing gate valves (sluice valves) with body bonnet of ductile cast iron of grade GGG 40 or equivalent grade, 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 vaccum tight and 100% leak proof with face to face dimentions as EPR BS 5163-89/ ISI 14846-2000/ DIN 3202 F 4. All the valves should be with electrostatic powder coating both inside and outside with pocket less straight thro’ body passage. All lthe valves are to be compatible for burried application with pressure rating PN 10/16 300mm dia Sluice valve for 300mm Main

Supply and Delivery of DI D/F Gate Valves (soft seated) resilient seated soft sealing gate valves (sluice valves) with body bonnet of ductile cast iron of grade GGG 40 or equivalent grade, 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 vaccum tight and 100% leak proof with face to face dimentions as EPR BS 5163-89/ ISI 14846-2000/ DIN 3202 F 4. All the valves should be with electrostatic powder coating both inside and outside with pocket less straight thro’ body passage. All lthe valves are to be compatible for burried application with pressure rating PN 10/16 200mm dia sover valve for 300mm Main