Supply and laying of 110mm dia PVC water supply distribution line and fixing of 100mm dia Sluice Valve with other accessories for water supply improvement works in Division No.1 at Abirami Garden and Micro Tower Street Zone - I, Salem Corporation

Amount

Labour for cutting open road for laying water mains or sewer B.T. Roads (or) Maccadam road (TWAD sor P.No.195)

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following type of soils as directed by Departmental officers 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.SS20B (TWAD sor P.No.188)

Supply and delivery of following Pipes and Specials as per standard specifications etc. complete

110mm dia PVC pipe

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 (TWAD sor P.No.66)

100mm dia Sluice Valve

Ductile Iron Specials As Per Is 9523/2000 (TWAD sor P.No.40)

100mm dia flange socket

MS Bols and nuts 16 mm dia x 65 to 90 mm length fully threaded bolts and nuts with 2 Nos. (TWAD sor P.No.31)

Rubeer Insertion Sheet 3 ply R.I Sheet (TWAD sor P.No.31)

110mm dia PVC Bend

110mm dia END Cup

Solvent Cement

Redrack cement

Hard Crete Oil

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. (TWAD or P.No.171)

90mm to 110mm dia (OD) PVC pipe

Toward labour charges for fixing of sluice valve with specials and all other jointing materials etc., complete (including earth work excavation and refilling etc., complete

100mm dia Sluice Valve

Testing of pipes for water supply with hydraulic testing equipment by filling with ater (including cost of water) 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. (TWAD sor P.No.174)

Up to 125mm

Barricading work (Where the lines are in narrow width of municipality area, busy streets like Market, Bus-stand and in the Highways etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm dia reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by TWAD Board officers. (TWAD sor P.No.210)

Refilling with excavated soil (other than sand) complying with the standard specification for filling in foundation and basement (TWAD sor P.No.192)

TCK Trade India (BID ID -1443745)