Construction of Manhole and Sewer Line Arrangements in Nadar Street and KTK Thangamani 8h Street in Ward No. 22

Amount

Cutting the existing ; Tar road surface etc.,

Earth work excavation in all kinds of soils except hard rock requiring blasting, inclusive of shoring, strutting and baling out water wherever necessary refilling the sides of foundation with excavated earth in layers of 15cm thick well rammed and consolidated depositing the surplus earth within compound in places as shown by the deptl.officers, clearing and leveling the site with initial lead of 10M and lift of 2M etc.Comp.

Supplying , Laying and jointing of NP-4 Class RCC pipe with socket and spigot ends as per IS 458/2003 manufactured with sulphate resistant cement with 12mm HI- alumina lining with rubber ring joints.TWAD Pg.no-66,67,277,278 200mm dia (Upto 2m)

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

2.00m 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. TWAD pg.no-321

Replacement of underground utilities (GI 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 GI 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 the departmental officers. Pg ,no-339

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.Pg no- 340

Refilling gallery trench and filter basins with clean excavater sand free from silt and clay.

Brick work in CM 1:5 (one cement & five sand) using III class country bricks of size 83/4"X41/4"X 2 1/4 including finishing, curing, etc., complete complying with standard specification

Plastering with cement mortar (1:5) 12mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications (S.I.306)

Supply of Manhole Cover SFRC 90x90 cm (Frame with Cover) MDU - CORP-BUILDING DATA -P-12-SLNo: 248

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 -1170074)