Attending the leakage of Drinking water main pipeline work at Thathaneri main Road various places and construction of manhole and UGD main pipeline arrangement at Muthumariamman kovil south street in ward no. 21,22

Amount

Dismantling the existing tar road surface including the cost of Labour charges and material etc., complete.

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

Dewatering using 3HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. Hire charges for Diesel Pump set for 5 HP

Barricading work (Where, there is less traffic areas and broader roads 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.

Supply and fixing of SALT GLAZED STONEWARE PIPE AS PER IS 651/2007 of 1000MM length with Rubber Gasket etc., complete. (SP-2, 200mm Pipe)

Supplying of PVC pipes and specials etc., complete. - 110mm PVC 6ksc Pipe

100mm G.M. Gate valves

100mm G.I Pipe

100mm G.I Coupler

100mm G.I Flange set

MS BOLTS AND NUTS 16 mm dia x 65 to 90 mm length fully threaded bolts and nuts with 2 Nos.

Cement

Spun Yarn

Laying stoneware pipes and open joint with fillet in the infliltration gallery excluding cost of pipes but including charges of special tools and plant etc., such as air compressor and helmet. Etc., complete. (200 mm dia stoneware pipes).

Lowering CI collars with flange into the trench and laying to proper grade and alignment and jointing PSC pipes with 2 Nos of conical rubber rings and MS bolts and nuts excluding the cost of jointing materials.

Jointing the C.I/ D.I - S/S pipes and specials with molten lead and Yarn including caulking the joints. (Including cost of jointing materials) etc., complete.

Construction of manholes using sulphate resistant cement at various depths to invert including earth work excavation asperSS20B, laying cement concrete in C.M.1:3:6 using 40mm B.G. jelly for foundation, sinking well kerb below G.L. for 4.5m depth and above, pumping, timbering charges for 2.5m depth and above, stock brick work in C.M.1:3, for 23cm thick wall and over 23cm thick wall, plastering interior with C.M.1:3, 20mm thick and exterior with C.M.1:3, 12mm thick, laying plain cement concrete 1:3:6 using 12.0mm to 20mm B.G. jelly fixing the frame, providing C.I. steps, manhole cover and frame etc. complete for the following sizes for each manhole (As per the type design drawing for manholes). (1.50m depth) - Upto 1.00m depth

Upto 1.50m Depth

Refilling the trenches with suitable excavated earth available along the alignment after the pipes & specials are laid, jointed & tested in layers & watering, ramming & consolidation directed by the Engineer-in-Charge etc., complete.

Supply of FRC Manhole 600mm size dia cover with frame including cost of conveyance loading fixing the same etc., complete.

Raising the existing circular man hole in heavy type including the removing the existing the man hole cover with frame and dismantling the existing the cement concrete wall and tar road surface around the manholes using 1:2:4 20mm jelly for raising the existing the manhole wall and using CC 1:2:4 with 20mm chips for finishing the top surface of manhole etc., complete

Add GST 18%

S SANJAY GANDHI (BID ID -1347575)