15th Finance(bp) 2025-2026 Construction of 30,000lit OHT Near CSC TOILET AT SILUVATHUR AD COLONY H/O SILUVATHUR

Earth work excavation & Depositing on bank with Initial lead of 10m and lift & 2m in hard stiff clay, stiff black cotton hard red earth shales, murram, gravel stoney earth and earth mixed with small size boulder and in hard gravelly soils per SS 20B Including all other incidental charges such as slurring strutting, baling out water forming, protective bunds etc., complete for foundation.

First Depth of 2.00 M

Second Depth of 1.00 m

Supplying and filling in foundation and basement with filling M-sand in layers of not more than 15cm thick well rammed,watered and compacted including cost & conveyance of M-sand and all labour charges etc., complete as per std. Specifications.

Cement concrete 1:4:8 mix using 40mm ISS HBG metal ( Using M-Sand) for foundation including cost and conveyance of all materials to site and watering whenever necessary and laid in layers not more than 15cm thick compacting etc., complete complying with std. Specifications and as directed.

RCC in M30 GRADE using graded aggregtes of HBGs excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing, curing etc., complete as directed by TWAD Board

Below Ground level -1.50m to 4.50m

Below Ground level - 0m to 1.50m

Above Ground level -0m to 4.50m

Above Ground level - 4.51 m to 7.32m

Above Ground level -7.33 m to 10.98m

Above Ground level - 10.99m up to 14.64 m

Above Ground level - 14.65m up to 18.30 m

Supplying and erecting centering are strutting including neceassary supports for place surface for RCC works erc., using mild steel angles of sizes 90x60x10cm gauge stiffness welded mild steel angles of sizes 25x25x3mm for boarding laying over silver oak joists of single 10cm -6.5cm space of 75cm centre to centre complete complying with standard specification

PLAIN SURFACE

Below ground level

Above ground level & Upto 3.30 m Height

Above ground level -5.30 m to 6.30m

Above ground level -8.30 m to 9.30m

Above ground level -11.31 m to 12.30m

CURVED SURFACE

Above ground level - 0 m to 3.30m

SQUARE COLUMN

Below Ground level

Above ground level - 0 m to 3.30 m

Above ground level - 3.31 m to 4.30 m

Above ground level - 4.31 m to 5.30 m

Above ground level - 5.31 m to 6.30 m

Above ground level - 6.31 m to 7.30 m

Above GL -7.31m to 8.30m

Above GL -8.31m to 9.30m

Above GL -9.31m to 10.30m

Above GL -10.31m to 11.30m

Above GL -11.31m to 12.30m

Painting two coats with ready mixed Plastic Emulsion of I st Class Quality paint and of approved colour over a priming coat including through scrapping, clean removal of dirt and cost and conveyance of all materials and labour charges etc,complete.

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 TWAD Board officers.

Fabrication,supply, delivery and fixing of outside M.S. Ladder of 45cm clear wide made out of 50mm x 50 mm x 6mm M.S. angle for sides and steps in 16mm MS plain rods fixed at 30 cm C/C welded jointed etc., providing with suitable side supports, clamps and locking arrangements provided with two coats of approved enamel paint over one coat of redoxide paint, for lproviding access to roof top of Open well of suitable linclined length, including bottom anchorage and transportation and as directed by officers. The rate includes concrete bed block in CC 1:2:4 using 20mm HBGS at top and bottom of suitable size with necessry anchor bolts.

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.

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 the departmental officers

Providing PVC ventilating arragements mosquito proof nylon net with 110mm PVC cowl and as directed by the departmental officers etc.,

Providing cut stone slab in CM 1:3 and as directed by TWAD Board 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 TWAD Board officers.

Pipe connection to SR

65mm Ø GI pipes for over flow & 1xl

65mm Ø GI pipes for inlet

65mm Ø GI pipes for scour pipe 1xl

65mm Ø GI pipe for delivery 1x1 pipe

65mm Ø GI Tee

65mm Ø GI coupler

65mm Ø GI union

65mm Ø GI Elbow

65mm Ø GM Gate valve

65mm Flange set

65mm Hex nipple

63mm PVC Pipe 4 ksc

Earth work excavation hard stiff clay and hard rock earth and refilling the trench with excavation soils including all labour charges etc.,complete

Labour charges for Laying of PVC Pipe and specials fixing charges etc., complete.

Refilling the foundation with excavated earth including consolidation as directed by the TWAD Board officers. As per item l(a) + l(b) Less item 2,3 & 4A & 4B Total

Provision for Name Board Paniting and Lettering the Scheme details

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}