Construction of 60000Litres Capacity OHT Tank of 12m Staging height at Thellur Panchayat in Vellore Panchayat Union in Vellore District for the year 2020-21

Amount

Construction of 60000Litres Capacity OHT Tank of 12m Staging height at Thellur Panchayat

First depth

Second depth

Supplying and filling foundation and basement with filling sand in layers not more than 15cm thick well rammed, watered and compacted complete complying with standard specification

Cement conrete 1:4:8 mix using 40mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing laying and curing etc ocmplete for bed blocks for 10 cum

RCC1:1.5:3 mix using 20mm HBGS and 10mm HBS excluding the cost of reinforcement, centering and shuttering but including the cost of mixing placing vibrating of concrete curing and finishing etc., complete as directed by the officers.

below GL 1.50m to 4.50m

below GL 0m to 1.50m

above GL 0m to 4.50m ht.

above GL 4.51.to 7.32 ht.

above GL 7.33.to 10.98 ht.

above GL 10.98.to 14.64 ht.

above GL 14.64.to 18.30 ht.

Centering for soffits of RCCmembers or plane surface including shutterin, strutting to centering and providing supports etc complete for the following mbers using MS sheets of size 90cmx60cm BG 10 gauge stiffened with welded MS angles of size 25x25x3mm laid over silver oak (Country wodde) joist of size 10x6.5cm as directed by the officers

Square Surface

Below GL and above GL upto 3.30m ht.

Columns above 3.30m to 4.30m height

Columns above 4.30m to upto 5.30m height

Columns above 5.30m to upto 6.30m height

Columns above 6.30m to upto 7.30m height

Columns above 7.30m to upto 8.30m height

Columns above 8.30m to upto 9.30m height

Columns above 9.30m to upto 10.30m height

Columns above 10.30m to upto 11.30m height

Columns above 11.30m to upto 11.40 m height

For Plane Surface

below GL and upto 3.30m ht

from 5.30m to 6.30m height above GL

from 8.30m to upto 9.30m height above GL

from11.30m to upto 12.30m height above GL

Curve surface

upto 0.0m- 3.30m height (from floor slab)

From 3.30 -4.30m ht.

Plastering in cm 1:3 20mm thick including cost and conveyance to site and labour charges all other incidental charges etc., complete

Painting two coats with approved cement paint best quality over the plastered surface including cleaning preparing the surface, curingetc complete the quality, shade/colour of paing shall be got approved by the executive engineer.

Supplying fabricating and placing in position of RTS steel rods for reinforcement for various members including cost of steel and binding wire for all RCC works as directed by the officers.

Fabrication, supply and fixing of outside MS Lader 45 cm clear wide made out of 50 mm X 50 mm X 6 mm MS angle for both sides and for the steps at 30 cm center to center welded, joints etc., for 1st staging from ground level to 1st level grace.(weight 4.50KG per M 2nd and 3rd stating upto four slab and 4th staging from floor slab to roof top supply and delivery fixing of 32 mm gi pipe, medium for hand rail from 1st stage to 4th stage RCC M30 grade mix for landing slab - 5 nos, (ground level 1 no and above ground level (4 nos )supply and fixing of 30 mm GI pipe medium

Providing PVC ventilating arragements mosquito proof nylon net with 110mm PVC cowl and as directed by departmental officer

Supplying and Fixing in Position of Cut Stone set in Cm 1:3 using well dressed cut stone supporting inlet pipe inside the tank and as directed by the officers

Providing Manhole cover of size 60 x 60 cm in RCC 1: 1 1/2: 3 mix with suitable reinforecement including all labour charges

For Inlet arrangements

80mm GI pipes

80mm GI Coupling

80mm GI Bend

80mm GI Flange set

90mm PVC Threaded Coupler

For Outlet arrangements

80mm GI pipes

80mm GI Coupling

80mm GI Bend

80mm GI Flange set

80mm GM gate value

65mm GM gate value

90mm PVC Threaded Coupler

90mm X 80mm PVC Reducer

For Scource arrangements

80mm GI pipes

80mm GI Coupling

80mm GI Bend

80mm GI Flange set

80mm GM gate value

90mm PVC Threaded Coupler

For Over flow arrangements

80mm GI pipes

80mm GI Coupling

80mm GI Bend

80mm GI Flange set

90mm PVC Threaded Coupler

Rubber Sheet

Bolt and nuts

Labour Charges

80mm GI Pipe - Cutting

80mm GI Pipe - Threading

Refilling in basement with excavated earth in layers of not more than 15cm thick well rammed, watered and consolidated complying with standard specifications etc complete

Supplying and fixing of RCC inner access ladder in RCC 1:1 1/2: 3 mix etc complete

Providing Hand rails over the Standing Platform by using 32 mm GI Pipe with 40mm x 6mm MS Flat and fixied with 12mm dia Fastner Bolt 75mm long and as directed by TWAD Bd officers

Construction of Platform allaround the OHT with Community Soakpit

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}

K. SOMESAN