Construction of OHT 30000 ltr Capacity at Irandayeravilagam in Thirupanampakkam panchayat

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 Deparment officers. Hard stiff clay, block cotton, hard red earth shales, murram, ordinary gravel, stoney eart

Second Depth. OF 2m from 2m to 4m below GL For column footing

Sand filling for foundation with clear river sand including cost of sand watering, ramming and consolidation etc complete as directed by Department 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 Department 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 Department For footing below G.L. ( 1,50 to 4,50 below GL

For Column and Brace upto G.L ( 0 to1,50 below GL )

For column and brace I 0 to 4.5m from GL

For column and brace II 4.5m to 7.32m from GL

For column and brace III 7.32 to 10.98m from GL

For column beam floor slab side wall from 10.98m to 14.64 m from GL

For side wall, hance and Roof slab from 14.64 m to 18.30 m from GL

For column footing and GL Brace GL 0 to 3.30 M

For Brace I

5.3. to 6.30 m For Brace II

For Brace II

For Brace III

For Brace III

Roof slab

For Floor Beam and Bottm of Floor slab

For column Below GL

For column GL 0 to 3.30M

For column ( 3.31m to 4.30m ).

For column ( 4.31m to 5.30m).

For Column (5.31m to 6.30m )

For Column (6.31m to 7.30m )

For Column (7.31m to 8.30m )

For Column (8.31m to 9.30m )

For Column (9.31m to 10.30m )

For Column (10.31m to 11.30m )

For Column (11.31m to 11.40m )

For Side Wall, & Floor slab sides and Haunch

Supplying, fabricating and placing in position of HSD steel rods for Reinforcement including the cost of steel and binding wire etc., complete and as directed by Deparment officers.

Painting two coats with approved cement paint over one coat of priming coat over cement plastered exposed surface of the Reservoir including cleaning, preparing the surface and curing etc., complete and as directed by Deparment officers

Providing MS Ladder & Hand rails arrangements in 60,000 Lits. Capacity OHT With 12.00m Staging Height.

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 (one cement, one and half sane! and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete cur

Providing manhole cover of size 1x1 0.75 X 0.75 M in RCC 1: 1.5:3 with suitable reinforcement and 5O x 5O x 6mm MS angle fixed along edges and as directed by Department officers.

Providing GI ventilating arrangements mosquito proof nylon net with 50 mm GI pipes and cowl and as directed by Deparment officers.

Supply & Delivery of following Pipes and specials for OHT connection Supply of GI Pipes for OHT Connections 65 mm dia

Supply and Delivery of G.M.Gate valve 65mm size

Supply & Delivery of 65 mm G.I Tee

Supply & Delivery of 65 mm G.I Coupling

Supply & Delivery of 65 mm G.I bend

Supply & Delivery of 90mm T.Coupler PVC

Supply & Delivery of 80mm x 65mm G.I.Reducer

Supply & Delivery of 65mm G.I.flange set

Labour charges for fixing of G.I. Pipes & Specials for OHT pipe connections as directed by the Deparment Officers,

Refilling of the foundation with execavated soil in layers of thick including ramming watering etc., complete as directed by the Department officers

Sub estimate for Platform

Provision for Name board