Construction of 30000 Lt OHT Tank MelpennathurADC

Amount

Construction of 30000 lt OHT @ Colony in Melpennathur Panchyat of Chengam Block Tiruvannamalai District under under ADC Scheme:-2022-23Commission Grant

Construction of 30000 Lt OHT Tank

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 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

Second depth of 2m From 2m to 4 m below GL

Supplying and Filling foundation and basement with filling sand in layers not more than 15cm . Thick well ramed, watered and compacted Complete complying with Standard specification

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

Reinforced cement concrete 1:1.5:3mix using 20mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying, and curing etc complete

Column footing

0m to 1.50m below GL

0m to 4.50m above GL

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

Supplying and erecting centering shuttering including necessary supports for plane surface in foundation and basement and in all floors for R C C column footing column plinth beam, beams, roof slabs, staircase steps, bed blocks, critical

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

Square Column Below GL and upto 3.30m above GL

3.31m to 4.30m ht

4.31m to 5.30m ht

5.31m to 6.30m ht

6.31m to 7.30m ht

7.31m to 8.30m ht

8.31m to 9.30m ht

9.31m to 10.30m ht

10.31m to 11.30m ht

11.31m to 12.30m ht

Curved Surface - upto 3.30m ht.

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 officers.

Painting two coats over new plastered using approved cement paint including cost and conveyance of all materials to site and all labour charges etc comoplete

Supplying , Fabricating,Delivery and placing in position MS steel Ladder wide 0.45m made out of 50x50x6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30cm c/c welded and Jointed etc. , Complete complying with stanard specification.

Supplying and Fixing of RCC inner access Ladder in RCC 1:11/2:3mix etc. , Complete complying with stanard specification.

Providing PVC ventilating arrangements mosquito proof nylon net with 110mm PVC cowl and as directed by Departmental Officers

Providing Cut stone slab in CM 1:3 mix and as directed by Departmental Officers

Providing Manhole cover of size 0.60x0.60 m in RCC 1:11/2:3 mix with suitable reinforcement and 50x50x6mm Ms angle fixed along edges and as directed by Departmental Officers

Provision for pipe connection arrangements

65mm GI pipes for inlet connection

65mm GI pipes for over flow & rain water harvesting pipe

50mm GI pipes for scour pipe

65mm GI pipe for delivery pipe

90mm PVC Threaded coupler

63mm PVC Threaded coupler

65mm dia GI Tee

65mm dia GI bend 90

65mm GI coupler

65mm GI union

65mm GI Elbow

50mm GI union

50mm GI Elbow

65mm GI Tee

65x50mm GI reducer

75mmx63mm PVC reducer

65mm GM gate valve

50mm GM gate valve

63 mm PVC 4Ksc Pipe

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.

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

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

Earth work excavation in all types of strata for laying of pipes with the standard trench width etc

Supply of unplasticised PVC rigid pipes as per BIS 4985/2000 with ISI Marking to site of works a. 75 mm OD PVC Pipe 6 KSC

Lowering and laying the PVC Pipes and specials to trench , laying to proper grade and alignment, Jointing with PVC coupler and specials fixing with Solvent cement paste etc a. 75 mm OD PVC Pipe 6 KSC

Refilling with excavated soil complying with standard specification in layers of 15 cm thick well rammed and consolidated after pipes and specials etc

Provision for Name board

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}

C Ramajayam