Construction of of manhole and sewer line arrangements in muthmariamman kovil street and paramasivam veethi in ward 21

Amount

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 etc., complete.

SALT GLAZED STONEWARE PIPE AS PER IS 651/2007 of 1000MM length with Rubber Gasket - 200mm dia (Upto 2m) SP-2 Class

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. 200 mm dia stoneware pipes.

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 the Departmental Engineer.

Construction of manholes using Sulphate resistant cement at various sepths to invert including earth work excavtion as per SS20B, 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 12.0m to 20mm B.G. jelly the frame, providing C.I. steeps,manhole cover and frame etc., complete for the following sizes for eah manhole (As per the type design drawing for manholes). - 1.00m Depth

1.50m Depth

5.00m Depth

Dewatering using 3HP to 70HP disal engine pumpset including Hire charges ,cost of Diesel,Engine Oil,Pump operator,labour charge,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 3 HP

Replacement of underground utilities (PVC Pipe) damaged during earthwork excavation for pipe laying works including cost of additional earthwork in all soil strata,including BT/CC road cutting ,removal of slushy soil and replacing the pipeline with sound pipe,including supply and delivery of PVC pipes,coupler,union,jointing materials and required specials,cutting ,threading,conveying,laying,jointing and cost of refilling for the additional earthwork etc complete and as directed by thedepartmental officers. 110mm Dia PVC pipe (6KSC)

Refilling gallery trench and filter basins with clean excavater sand free from silt and clay 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 manholes in heavy type including removing the existing manhoke cover with frame by dismantlimg the existing cement concrete and tar road surface alround the manhole raising the manhole with cement concrete 1:2:4 (one cement two and four aggregate ) 25cm height including centering insid the manhole raising, laying 15cm tick cement 1:2:4 with 20mm granite chips including finishing the top surface of manhole Alround etc., complete

Add GST 18%

AR CONSTRUCTIONS (BID ID -1285311)