Construction of 30000litre capacity OHT and Pumping Main Line to Thondankulam Village at Devariyambakkam Panchayat in Walajabad Union

i) Earth Work excavation and deposting on bank with an initial lead of 10m and lift i) First depth of 2.00m

ii) Second Depth of 2.00 m

Sand filling for foundation with clear river sand including cost of sand, Watering, ramming and consolidation etc., complete

Cement concrete 1:4:8 (One Cement, Four sand and eight aggregated) Using 40mm HBGS for leveling course for foundation including the cost of mixing concrete, ramming curing etc.,

RCC 1:1:5:.3 (one cement, one and half sand and three aggregates) using 20mm HBGS excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing the concrete, vibrating, finishing, curing, ect.,

For column footing

a) 0m to 1.50m column GL brace

b) 1.50m to 4.50m Column

c) 4.510to 7.32m Column

d) 7.32 to 10.98 m Column

e) 10.8 to 14.64 m Column

f) 14.64m to 18.30m from GL for sidewall & roof

Supplying & erecting steel centering for sides and soffits incl necessary supports & shuttering to the required height for RCC items using MS sheets of of BG 10 Stiffened with welded MS angles of size 25mm x 25mm x 3mm of size 10 cm x 6.5cm spaced at 90cm c/c supported by casuarinas props of 10cm to 13 cm dia spaced at 75 cm centre to centre complying etc.,

PLANE SURFACE

a. Below ground level - For footing and GL brace

b) From GL to 3.30m

b) 5.31m to 6.30m

c) 8.30m to 9.30m

d) 11.30m to 12.30m

Square Column

Square Column Below ground level and uptp 3.30 above GL

3.31 to 4.30m ht

4.31 to 5.30m ht

5.31 to 6.30m ht

Curved surface - upto 3.30mht

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 officers.

Painting two coats with approved cement paint over one coat of priming coat over cement plastered exposed surface of the Reservoir including etc., complete

Fabrication, supply, delivery and fixing of outside MS ladder of 45 cm wide made out of 50x 50 x 6 mm MS rod sides and steps in 16mm dia MS rod at 30cm centre to centre welded, Jointed etc.,

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 PVC vent cowl arrangements mosquito proof nylon net and as directed by TWAD Board officers

Providing cut stone slab in CM 1:3 and as directed by Require mental officers.

Providing manhole cover of size 0.60X0.60m in RCC 1:1:5:3 with suitable reinforcement 50X50X6mm MS angles fixed along edges and as directed by requirement officers

Painting Tamil Nadu Emblem on the SR with enamel Paint as per Board’s specification and as directed By requirement officers

Provision for pipe connection arrangements for inlet outlet, scour and overflow including fire hydrant arrangements including cost of pipes, specials value labour charges for lifting of GI pipes and painting etc., complete

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 GI coupler

65mm GI union

65mm GI Elbow

50mm GI union

50mm GI Elbow

65x50mm GI reducer

65mm GM gate valve

50mm GM gate valve

50mm GI coupler

50mm PVC Elbow

65 GI Flangeset

50 GI Flangeset

63 mm PVC 4Ksc Pipe

Refilling the Foundation with excaved earth including consolidation

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 departmental 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 departmental officers

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 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.

M Sand filling for foundation with clear river sand including cost of sand, watering ,ramming and consolidation etc complete.

Plain Cement Concrete 1:2:4 of 20mm size HBG broken stone for finishing curing etc. complete in accordance with standard specification

Plastering with Cement Mortar 1:4, 20mm thick mixed with water proofing compound conforming to BIS at 2% by weight of cement used including finsihing, curing, etc., complete in all floors complying with standard specification

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

Provision for Pumping Main Pipe

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}