RESTORATION OF 350MM CHOLAN NAGAR PUMPING STATION MAIN PIPE LINE AT WARD 6 AND DESILTING OF SOLAIYAPPAN STREET UGSS PUMPING STATION WELLS IN KUMBAKONAM CITY MUNICIPAL CORPORATION

Amount

Dismantling, Clearing away and carefully stacking materials useful for reuse for any thickness of Plain cement concrete including cost and conveyance of all materials and labour charges etc complete as per standard specification.

Removing the burst R.C.C. pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc., complete. (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

DUCTILE IRON CLASS PN10 FLANGED PIPES AS PER IS 8329/2000 5.5 m length of pipes (350mm dia)

1.5M LENGTH

4M LENGTH

Lowering of D.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers.

Jointing the C.I/ D.I-S/S pipes and specials with neat cement or cement mortar and spun yarn including caulking the joints, curing. (including cost of jointing materials

Plain Cement Concrete 1:1.5:3 (one cement, One and Half crushed stone sand and Three hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.-Mixing by mechanical means (S.No:135-SD Book Vol-I )

Supplying and erecting centering to sides and soffits including supports and strutting with necessary cross bracing for plain surface such as RCC slabs rectangular beams all beams lintels etc., centering for soffits upto 3 meter height using mild steel sheet of size 90 cm x 60 cm x 10 mm gauge with MS angles of size 25mm x 25mm x 3mm laid over silver oak (CW) joists of size 10cm x 6cm spaced upto 90cm c/c and casurina props or 10 cm to 13 cm dia spaced at 0.750 cm c/c complying with standard specifications as per TNDSS NO : 30 & 86.

De - Silting the existing screen well, Grid well and suction well in UGD Pumping station including engaging purely machinery such as crane for de silting from the well,transportation the De- silting earth from pumping station to the place shown by the depaertmental authorities using Tipper lorry, Using motor for dewatering including hire and running charges for all tools and plants engaged etc., as per the instructions of the departmental authorities.( If any labour engaged for de silting criminal action will take against the contractor) page no 303

Sabareesan (BID ID -1565151)