Construction of New OHT 60000 lit in Edankondanpattu Colony at Ayeekuppam panchayat

Amount

Earthwork excavation and depositing on bank with an initial lead of 10m and lift of 2m in the following classification of soils as directed by TWAD Board officers. Hard stiff clay, block cotton, hard red earth shales, murram, ordinary gravel, stoney eart First depth of 2m

Second depth of 1m

Sand filling for foundation with clear river sand including cost of sand watering, ramming and consolidation etc complete as directed by TWAD Board officers.

Cement concrete 1:4:8 (one cement four sand and eight aggregates) using 40mm HBGS for levelling course for foundation including the cost of mixing concrete, ramming, curing etc., complete as directed by TWAD Board officers.

RCC in M30 GRADE using graded aggregtes of HBGs excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing, curing etc., complete as directed by TWAD Board For items 1.5 m to 4.5m below GL

For items 0 to 1.50m below GL

For items 0 m to 4.5m above GL

For items 4.51 m to 7.32m above GL

For items 7.32m to 10.98m above GL

For items 10.98m to 14.64m above GL

For items above 14.64m & up to 18.30m from GL

Supplying Fabricating and Placing in Possition of HSD Steel rods for Reinforcement including cost of Steel and binding wire etc.

Supplying and erecting steel centering for sides and soffits I including necessary supports' and shuttering to the required height for RCC items using MS sheets of suitable size of BG.10 stiffeneq with welded MS angles of size 25mm x 25mm x3mm of boarding Below Ground Level.

GL to 3.30m (B1)

From 3.30 to 4.30m

11.30 to 12.30m above GL

Square column

Painting two coats with approved Cement Paint over one coat of Priming coat over cement plastered surface of the Reservoir including cleaning, preparingthe surface etc.

Fabrication, supply,delivery and fixing of out side MS Ladder of 45cm wide made out of 50x50x6 mmMS angle for sides and steps in 16mm MS Plain rod fixed at 30cm centre tocentre welded, jointedetc,Providing with suitable side supports, clamps, and locking arrangements provided with one coat of red oxide paint etc.

Providing and fixing of R.C.C. inner access ladder in R.C.C. 1:1.5:3 mix using 20mm ISS Metal including cost of reinforcement ,placing in grill in possition ,centering,shuttering charges mixing concrete curing etc.

Providing Ac vent cowl arrangements mosquito proof nylon net with 110mm dia Cowl etc.

Providing Cut Stone Slab in cm 1:3 mix

Providing man hole cover of size 0.60x0.60 in R.C.C. 1:1.5:3 mix with suitable reinforcement, 60x60x6mm MS Angle fixed along edges etc.

Cost of Name Board

Provision for pipe connection arrangements for inlet, outlet, scour and overflow etc., including cost of pipes, specials, valve, labour charge for lifting, aligning, cutting, threading, fixing and painting of GI pipes with two coats of approved quality enamel paint etc. complete as detailed below. 65mm dia GI pipes for inlet connection.

65mm dia GI elbow

65mm dia GI Flange set

65mm dia GI coupling

80mm dia GI pipes

90mm dia PVC Threaded coupler

80mm dia GI Tee

80mm dia GI elbow

80mm dia GM Gate valve

80mm dia GI Flange set

80mm dia GI coupling

80mm dia GI Dummy

Labour charges for GI pipe connection to the OHT , for inlet,outlet,overflow and scour arrangements including cutting and threading earth work excavation and refilling

Providing hand rails over the roof slab by using 32mm GI pipe with 40mm x 6mm MS flat and fixed with 12mm dia fastner bolt 75mm long and as directed by TWAD officers

Refilling the foundation with excavated earth including consolidation as directed by the TWAD Board officers.

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for all works in this package}

P.Chakkarapani (BID ID -1511741)