Vilathikulam TP - 15th Finance Tied 2nd Ins. - Water Supply Work

Amount

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 and sewerage works in the following type of soils as directed by Departmentalofficers( hard stiff clay, stiff black cotton, hard red earth, shales, murram, ordinary earth, earth mix with small sized boulders and hard gravelly soil)

Conducting Geophysical Investigation Charges

Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs fuel, labour and drilling bentonite and water required for drilling at site. Site will be shown by the TWAD Board officers including construction of mud pit.

Drilling of 140/150 mm pilot bore upto 60 mt. Depth ending below ground level

Reaming 140/150 mm dia pilot bore to 300mm dia bore as directed by the TWAD Board Officer.

Upto 60 mt depth ending below ground level

Supply of the following casing pipes of ISI approved quality with wall thickness not less than 7.5mm to 8.5mm with PVC couplers and cement Paste etc. Complete and including packing the annular space with pebbles quality and size of pebbles and the PVC pipe should be approved by the departmental officer.

150mm dia OD PVC Plain casing Pipe (CS)

150mm dia OD PVC slot casing Pipe (RS)

Labour Charges for inserting PVC Casing pipes assembly (with slots or without slots) in the drilled hole including jointing the pipes with PVC Couplers with Cement paste etc., complete supply and packing the annular space with pebbles of size and quality as approved by the executive engineers TWAD Board

Supply and delivery the following PVC / GI pipes and specials including cost and conveyance of materials to site etc complete.

80mm GI Pipe B Class

90mm PVC Pipe 6Ksc

32mm GI Pipe B Class

Lowering of PVC pipes and specials in to the trenches carefully laying to proper grade and alignment jointing with AC,PVC, couplers with simplex joints and testing to the required pressure etc, complete and as directed by officers P.V.C./GI Pipes

G I pipes,90mmpvc pipe and cable

Refilling the excavated earth to the pipe laying trenches complying with standard specification.

Supply and delivery of 10HP submersible pump set motor 400*75mISI make including cost and conveyance charges to site and etc., complete.

Supplying and delivery of 6 Sq.mm of PVC insulated and sheathed 3 core flat type copper cable confirming to IS694/ 1990 etc complete as per standard specification.

supply and fixing of 10HP panael Board

Shenrayapperumal