Providing Underground Sewerage System for 336.00 Nos of Houses Constructed by TNUDHB in Division No-2 in Suramangalam Zone of Salem Corporation.

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.

Medium Rock and Dense Medium Rock not requiring blasting

Road cut charges to the specified trench width

Cutting BT road

Supply and Delivery of HDPE PIPES - PE 100 AS PER IS 4984/2016 PN 8 of nominal dia as listed below with including all costs and conveyance of materials, loading unloading and stacking at site etc., Complete.

For 160mm PN8 PE100

Refilling the excavated earth including cost of all labour charge for filling in shall be done in layers not exceeding 23cm in thickness accoompainied by adequate watering, ramming etc and the trench shall be reilled so as to build upto the orginal ground level as directed by the departmental engineer etc,complete.

For 160mm PN8 PE100

Replacement of Underground Utilities (HDPE Pipes) damaged during Earthwork excavations for pipe laying works including cost of additional earthwork excavation in all soils, including BT cutting, CC roads , removal of slushy soil and replacing the pipeline with sound pipe, including supply and delivery of HDPE pipes, couplers, 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 TWAD board officers.

PVC 90 mm dia

Construction of manholes using Sulphate Resistant Cement (SRC cement ) at various depths including earthwork excavation as per standard specification in all type of soils. Soft Dis integrated Rock and Hard Rock, including cutting open B.T road, providing Cement Concrete of 1:4:8 ( One part of Cement, four part of river sand and eight part of aggregate) using 40mm hard granite metal for foundation. Reinforced Cement concrete of mix 1:2:4 mix ( One part of Cement, two part of river sand and four part of aggregate) using 20mm ISS HBG metal, fabricating and placing reinforcement and timbering charges for depth up to and above 1.5m from GL, Brick work using chamber bricks of size 9"x43/8"x23/4" in Cement Mortar 1:3 mix ( One part of Cement and three part of river sand ), 23cm thick wall plastering interior with Cement Mortar 1:3 mix ( One part of Cement and three part of river sand ) 20mm thick and exterior with Cement Mortar 1:3 mix ( One part of Cement and three part of river sand ) 12mm thick, laying plain cement concrete of mix 1:2:4 ( One part of Cement, two part of river sand and four part of aggregate) using 20mm ISS HBG metal for fixing the frame, providing PVC encapsulated steps, FRC MH frame, and cover with IS 12392 part 1&2 benching and channeling with plain cement concrete of mix 1:2:4 ( One part of Cement, two part of river sand and four part of aggregate) using 20mm ISS HBG metal, refilling and including the cost of removal of surplus excavated earth from the site and barricading, dewatering provision for danger lights etc, complete for the following sizes for each manhole etc, complete as per standard specification and as directed by the Engineer in charge (As per the type design, drawing for rectangular and circular manholes)

Rectangular Manhole (1.22m x 0.9 m)

1.0 to 1.5m depth manhole

SRI GANESA & CO (BID ID -1350199)