Construction of 30000 lit OHT with Pipeline at Vallam Village in Vallam Panchayat at Kattankolathur Panchayat Union

Earthwork excavation and depositing on bank with an initial lead of 10m and lift of 2m in the following classification of soils as directed by department officers. Hard stiff clay, block cotton, hard red earth shales, murram, ordinary gravel, stoney eart

For 2nd Depth

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

Cement concrete 1:4:8 (one cement four sand and eight aggregates) using 40mm HBGS for levelling course for foundation including the cost of mixing concrete, ramming, curing etc., complete as directed by TWAD Board officers.

RCC 1:1.5:3 mix using 20mm ISS HBG metal including cost and conveyance and all other labour charges etc complete. For items 1.5m to 4.5m below GL

For items 0 to 1.50m below GL

For items 0m to 1.5m above GL

For items 4.51m to 7.32m above GL

For items 7.32m to 10.98m above GL

For items 10.98m to 14.64m above GL

For items above 14.64m & up to 18.30m from GL

Supplying and erecting steel centering for sides and soffits I including necessary supports' and shuttering to the required height for RCC items using MS sheets of suitable size of BG.10 stiffened with welded MS angles of size 25mm x 25mm x3mm of boarding

ABOVE G.L. to 3.30m

Square Column Below GL and upto 3.30m above GL

Curved Surface - upto 3.30m ht. 11.30m to 12.30m

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.

Painting two coats with approved cement paint over one priming coat of white cement over cement plastered wall surface and ceiling including cleaning preparing the surface and curing etc., complete

Fabrication, supply, delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50 mm x 50mm x 6mm MS angle for both sides and for steps at 30cm C/C welded jointed etc ., for I staging from GL to 1st level brace (weight 4.5kg/m) IInd and IIIrd staging upto floor slab and IVth staging from floor slab to roof top. Supply, delivery and fixing of 32 mm GI pipes medium for hand rails from I stage to IVth stage. RCC M30 Grade mix for Landing slab 5 nos. at Ground Level- 1No. and above Ground Level - 4Nos. Supply and fixing of 32mm GI pipe medium for hand rails for the Landing slab. Supplying and fixing of MS Base plate of 100mm X 100mm X 6mm thick for fixing Anchore fastener bolt for fixing of hand rails at Landing slab and MS Ladder providing locking arrangements with two coats of approved enamel paint over one coat of red oxide paint as per approved Type Design and as directed by TWAD board officers.

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 (one cement, one and half sane! and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete cu

Providing PVC ventilating arrangements mosquito proof nylon net with 110 mm PVC pipes and cowl and as directed by TWAD Board officers

Providing cut stone slab in CM 1:3 and as directed by RD officers

Providing manhole cover of size 1x1 0.60 X 0.60M in RCC 1: 1.5:3 with suitable reinforcement and 5O x 5O x 6mm MS angle fixed along edges and as directed by RD officers.

Painting RD emblem 1 x 1 on the SR with enamel paint as per Board's specification and as directed by RD officers 65mm Ø GI pipes for inlet connection

65mm Ø GI pipes for over flow pipe

65mm Ø GI pipes for scour pipe

65mm Ø GI pipe for delivery pipe

90mm PVC Threaded coupler

63mm PVC Threaded coupler

65mm dia GI Tee

65mm dia GI bend 90

65mm dia GI bend (short)

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

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

Earth work excavation in all classes of soil for pipe laying works including refilling as per ss 20.b.

Supply and delivery of 90mm dia 6KSC PVC pipe with cost and conveyance inckuding all other labour charges

Labour charges for laying and jointing with cost and conveyance inckuding all other labour charges

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}18%