Pumping main line laying arrangements at manjal medu mini colony apartment to meiyappan 1st street pumping station in TNUHDB ward 57

Amount

Supply and delivery of HDPE pipes for sewerage PE 100 PN 6 conforming to IS : 14333/1996 (amended in 2009) 355 mm/ PN.6/HDPE Pipe 'ISI'(PE 100 Grade)

SPECIALS FOR HDPE PIPES AS PER IS 8360/1977/Part I,PN 16, 355mm Dia 90 Degree Bend

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 ofGrade 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 Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 4846-2000/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.(300mm Dia Sluice Valve).

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

Earth work excavation for foundation in Hard stiffclay, stiff black cotton, hard red earth, shales murram,gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete 10 cum

Refilling gallery trench and filter basins with clean excavated sand free from silt and clay

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

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

Add GST 18%

R ARUMUGAM (BID ID -1278941)