Construction of 60000 Litres capacity OHT at Pazhangamur in Irumbedu Panchayat in Arni Block of Tiruvannamalai District under 15th Finance Commission Grant 2022-23

Amount

Earth work excavation & depositing on bank with an initial lead of 10 metre & initial lift of 2 metre in Hard shift clay, stiff block cotton, hard red earth shales, murrum, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil (SS 20B) for foundation including shoring, strutting, baling out water providing danger light wherever necessary depositing the surplus earth on bank and other incedential charges etc., complete and as directed by TWAD board Officers

First depth of 2m From 0 to 2 m below GL

In hard stiff clay, stiff black cotton soil, hard red earth, sales, murrams, gravel, stoney earth, earth mixed with small sized boulders and hard gravelly soil S.S.20B

For Column Footing

Second depth of 1m

For foundation

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

For Footing

Cement concrete 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 complete for 10 cum.

For Footing

Reinforced Cement Concrete Mix M30 grade using 10mm & 20mm Hard blue granite Broken stone (machine crushed) excluding the cost of RTS rods for reinforcement and centering, strutting, shuttering but including cost of all materials mixing, laying, Vibrating the concrete with mechanical vibrators, ramming, consolidating, finishing and curing etc., Complete and as directed by the TWAD Board Officers.

1.5m to 4.5m below GL - Column footing

0m to 1.50m below GL

0m to 4.5m above GL &1.00 m Above G.L

4.50 m to 7.32 m above GL

7.32 m to 10.98 m above GL

10.98 m to 14.64 m above GL

14.64 m to 18.30 m above GL

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG10 stiffened with MS angle of size 25 X 25 X 3 mm for boarding laid over I type MS Truss of size 25 X 25 X 3mm about 90cm c/c and supported by 40mm GI pipes (Medium) spaced at 75cm c/c etc complete and as directed by the TWAD Board Officers.

Plain Surface

Below GL

From GL to 3.30m

From 5.30m to 6.30m above GL

From 8.30m to 9.30m above GL

From 11.30m to 12.30m

Curved Surface

Square Column

Square Column Below GL and upto 3.30m above GL

3.30m to 4.30m ht

4.30m to 5.30m ht

5.30m to 6.30m ht

6.30m to 7.30m ht

7.30m to 8.30m ht

8.30m to 9.30m ht

9.30m to 10.30m ht

10.30m to 11.30m ht

11.30m to 12.30m ht (11.45)

Painting two coats of newly plastered wall surface with ready mixed plastic emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.( The steel should conform to the relevant ISspecification and supplied with test certificate Fe. 415 grade as per IS specification No.1786/1985 and as amended from time to time) delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, taxes etc. complete.and as directed by the TWAD Board officers.

Supply delivery and fixing of staircase with M30 grade concrete for landings, MS ladder of 0.45m wide using 50x50x5mm MS angles for sides and steps at 0.30m c/c, with GI pipe handrails using 32mm GI pipes for railings and verical support at 0.45m C/c, MS flats (Size 40mm x 5mm ) for horizontal ties at 0.3m c/c and at bottom with Anchor fastener bolts of size 12mm x 75mm including cost of materials labour for fabrication of handrails fixing, painting etc., complete.

Providing and fixing of RCC inner access ladder in RCC 1:11/2 :3 (one cement,one and half sand and three aggregate) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centring,shuttering charges, mixing concrete,curing etc. to required height and clear width of 45 cm consisting of 2 nos. of vertical post of 10 cm x 15 cm and step slab of 25mm x 25mm etc.complete and as directed by TWAD Board Officers.

Providing 110mm AC vent cowl arrangements mosquito proof nylon net and as directed by TWAD Board officers

Supply and fixing of cut stone of size 0.30m x 0.30m x 0.15m in CM 1;3(one cement and three sand) below inlet pipe for Service Reservoir as directed by TWAD Board Officers.

Providing manhole cover of size 0.60 x 0.60M in RCC 1:1.5:3 with suitable reinforcement and 50x50x6mm MS angle fixed along edges and as directed by TWAD Board officers

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 enam

Inlet and Overflow

65 dia GI Pipe

65 dia GI Elbow

65 dia GI Flange set

65 dia GI Coupling

75 PVC Threaded coupler

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 Flangeset

80mm dia GI Coupling

80mm dia GI Dummy

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

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

Providing Hand rails over the Roof slab 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

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}

B Sabari Contractor