Tirunelveli District Construction of OHT in Thalaiyathu panchayat in Manur Block in Package No 001/2025-26

1) Construction of 100000 Litres RCC OHT with 12.00 M Staging Height in Vaddakku Thalaiyuthu at Thalaiyuthu Panchayat

Earth work excavation and depositing on bank with initial lead 10m and lift of 2.0m in all soils such as Hard stiff clay, block cotton, hard red earth shales, murram, ordinary gravel, stoney earth etc. complete as per SS 20B for 1st depth

Earth work excavation and depositing on bank with initial lead 10m and lift of 2.0m in all soils such as Hard stiff clay, block cotton, hard red earth shales, murram, ordinary gravel, stoney earth etc. complete as per SS 20B For 2nd depth

Sand filling for foundation with Msand including consolidation ramming etc. complete as per standard specifications

Plain Cement concrete 1:4:8 (one cement, four sand and eight course aggregate of 40mm size hard blue granite broken stone)including cost of steel for all materials to site including all labour charges for mixing, laying , compacting and curing etc completefor levelling course.

Reinforced Cement Concrete 1:1-1/2:3 (One Cement, One and a half crushed stone M.Sand and Three hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all RCC items of works excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary and bearing surfaces of walls, beams etc. shall be finished smooth with Cement Mortar 1:3 (One Cement and Three M.Sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers

below 1.50m to 4.50m depth from G.L

Below G.L upto 1.50m depth

Above G.L upto 4.50m height

4.50m to 7.32m from G.L

7.32m to 10.98m from G.L

Above 10.98m to 14.64m ht.,

Above 14.64m to 18.30m ht.,

Centering for sides and soffits of R.C.C slab of plane surface using MS sheets of size 90cmx60cm and stiffend with welded MS angle of size 25mmx25mmx3mm and supported by GI pipes of 40mm dia and BG10 guage (spaced at 75cm c/c) complying with standard specification etc., complete as directed by the Officers.

Plane surface

Below GL&Upto 3.30m ht. AGL

FROM FLOOR 3.30 TO 4.30 M

From 7.30m-8.30m ht.

From11.30m to 12.30m ht.

Curved Surface

0-3.3m height

11.30m to 12.30m from floor level

Square column

Below G.L. & upto 3.30m ht.

From 3.3-4.3m height

From 4.3-5.3m height

From 5.30m to 6.30m ht.,

From 6.30m to 7.30m ht.,

From 7.30m to 8.30m ht.,

From 8.30m to 9.30m ht.,

From 9.30m to 10.30m ht.,

From 10.30m to 11.30m ht.,

From 11.30m to 12.30m ht.,

Circular column

Below G.L. & upto 3.30m ht.

From 3.3-4.3m height

From 4.3-5.3m height

From 5.30m to 6.30m ht.,

From 6.30m to 7.30m ht.,

From 7.30m to 8.30m ht.,

From 8.30m to 9.30m ht.,

From 9.30m to 10.30m ht.,

From 10.30m to 11.30m ht.,

Supplying, fabricating and placing in position of MS & HSD grills for reinforcement for various members including cost of steel for all RCC works as directed by the Officers.

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.

Supply,delivery, fabrication and fixing of MS Ladder of 45cm clear wide made out of 50x50x6mm Msangles using 16mm dia MS bars at 30cm c/c as steps for 100000 litres S.R. 12M staging as per type design and as directed by the Departmental Officers Officers.

Supply and fixing in position of enamelled water level indicator with all accessories of approved pattern and design as directed by Higher officers. TWAD SOR WD - M1383

Supplying and fixing in position CI manhole covers with CI frames (Heavy duty) of size 60cm x 60cm of best approved quality as per standard specification etc., complete compying with standard specifications

Cut stone set in C:M 1:3 ( one cement and three sand ) using well dressed cut stone supporting inlet pipe of size 0.30 x 0.30 x o.15m for service reservoir as directed by TWAD Board officers.

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.

Supply and delivery of CI Surface box as per spcification

Providing and fixing of RCC inner access ladder

Reinforced Cement Concrete 1:1.5:3 Mix for the following members excluding the cost of reinforcement and fabricating, centering, shuttering and strutting charges but including the cost of all materials, mixing, placing in position, lifting, vibrating, finishing & curing, etc. complete.and as directed by TWAD Board Officers.

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 BG 10 stiffened with MS angle of size 25 X 25 X 3mm for boarding laid over Silver Oak joists of size 10cm X 6.5cm space at 10cm c/c and supported by Casurino Props 10cm - 13cm spaced at 75cm c/c etc., complete and as directed by departmental Officers.

Supplying, fabricating and placing in position of RTS / MS rods for reinforcement including cost of steel and binding wire, labour charges etc., complete for RCC works and as directed by departmental Officers.

Pipe connection arrangements

100mm GI pipes

100mm GI 90º Bend -

100 mm GM GATE VALUE

OUTLET CONNECTION

100mm GI pipes

100mm GI 90º Bend -

100 mm GM GATE VALUE

Scour pipe

100mm GI pipes

100mm GI 90º Bend -

100 mm GM GATE VALUE

Over flow arrangements

100mm GI pipes

100mm GI 90º Bend -

100 mm GM GATE VALUE

Pumping line and delivery line Jointing

Supply and delivery of 90 mm dia 4 KSC PVC pipe including all cost and conveyance etc., complete

Supply and Delivery of 80mm 65 Gi Pipe including all cost and Conveyance etc Complete

Earth Work Excavation in all Classes of Soil For Pipeline including all cost and Conveyance etc Complete

Laying and Jointing of 90mm PVC Pipe including all cost and Conveyance etc Complete

Laying and Jointing of 80mm GI Pipe including all cost and Conveyance etc Complete

Refilling in trench with excavated Earth in layers of not more than 15cm. Thick well rammed, watered and consolidated complying with standard specifications etc., complete.

Supply and fixing of Gate valve 80mm

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}