Additional Works to Mini STP at Ambattur Eri (Moondru Nagar) in Ward No 31

Amount

Supply of the FRB tank Delivery at the prefered location

Erection and commissioning of Earthwork excavation, Surface preparation and erection of FRB tank with using crane and refilling.

Labour for cutting open road for laying water mains or sewer

Concrete Road

Piping 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. Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.SS20B

50mm HDPE Pipes

Supply and Delivery of 50mm HDPE PIPES PN 6 - PE 100 AS PER IS 4984/2016

Lowering HDPE pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers

50mm to 75mm dia (OD) HDPE pipe

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307 2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

50mm HDPE Pipes

Refilling the trenches with excavated earth (other than sand) in layers and watering, ramming and consolidation as per standard specification etc complete and as directed by Engineer in charge - 50mm HDPE Pipes

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

Plain Cement Concrete 1:4:8 (one part of cement, four part of Crushed Stone Sand (M- Sand) and Eight part of 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 Crushed Stone Sand (M- Sand) 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

VOLGA POWER INDIA PRIVATE LIMITED (BID ID -1243292)