Relaying of RCC 200mm UGD main Pipeline work at Vellaisamy servai compound street in ward no 50

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 to 70HP 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.

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 the departmental officers.

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 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 the departmental officers.

Supply of RCC non pressure spun pipe with socket and spigot ends as per IS 458/2003 manufactured with sulphate resistant cement with 12 mm HI -alumina lining with rubber ring joints etc., complete. - 200mm R.C.C NP-4 Pipe

Supply of RUBBER GASKETS AS PER IS 5382/1985 (Reaffirmed 1998) etc., complete. - 200mm R.C.C NP-4 Pipe

Lowering RCC pipes and specials into the trenches and laying to proper grade and alignment etc., complete. - 200mm R.C.C NP-4 Pipe

Jointing RCC pipes with lead and hemp yarn using steel collars including the cost of jointing materials and caulking the joints etc., complete. (200mm dia R.C.C. Pipes) - 200mm R.C.C NP-4 Pipe

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.

Supplying and filling in foundation and basement with filling Quarry Dust in layers of not more than 15cm.thick well rammed watered and compacted etc., complete complying with standard specification.

Plain Cement Concrete 1:4:8 (one cement four fine aggregates and eight coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Plain Cement Concrete 1:2:4 (one cement, two fine aggregates and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

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).

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%

M MAHESHKANNAN (BID ID -1414530)