Construction of 30000 Litre OHT (12M STAGING HEIGHT) at Gandhiji Colony inAthoor block of Dindigul District TN05-13

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.

Reinforced Cement concrete 1: 1 1/2:3 mix using 20mm ISS HBG metal 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.

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 -10.99 to 14.64 m

Above Ground level - 14.65 to 18.30m

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 to 3.30 m

Above ground level - 5.30 m to 6.30m

Above ground level - 8.30 m to 9.30m

Above ground level 11.30 to 12.30 M ht

CURVED SURFACE

0 to 3.30m from floor level

SQUARE COLUMN

Below GL

GL to 3.30m

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.

FabricatFabrication, supply, delivery and fixing of outside MS ladder of 45cm wide made out Fabrication, supply, delivery and fixing of outside MS ladder of 45cm wide made out of 50x50x6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30cm c

Providing and fixing of RCC inner access ladder in RCC 1: 1 1/2 : 3, using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc., to required height and clear width of 45cm consisting of two Nos. of vertical post of size 10cm x 15cm and step slab of 25mm x 25mm etc.,complete

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 over flow & 1xl

50mm Ø GI pipes for scour pipe 1xl

65mm Ø GI pipe for delivery 1x1 pipe

90mm Ø PVC Threaded coupler

65 mm Ø PVC threaded coupler

65mm Ø GI Tee

65mm Ø GI 900 Bend

65mm Ø GI coupler

65mm Ø GI union

65mm Ø GI Elbow

65x50mm Ø GI Reducer

75mmx 63mm PVC Reducer

75mm PVC Threaded coupler

75x90 PVC Reducer

75x63 PVC Reducer

65mm Ø GM Gate valve

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

Geophysical survey charges

Drilling of 6" dia vertical bore well in over buder soil including labour charges for inserting of casing pipe.

Drilling of 6" dia vertical bore well in hard rock area as per the recommendation of hydrogeology including the rig transportation inserting of casting pipe and flushing etc., complete.

Supply of 200mm PVC Casing pipe Rs As per Is 12818/2010

Supply of New 7.5 HP submersible pumpset with panel board having duty of 50LPM X125Mwith auto start panel board Head with ISI make (55810+21187)

40mm UPVC Column pipe

40mm GI hex Nipple

40mm GI coupling

40mm GI Elbow

40mm GI Union

40mm M.S clampset

Solvent cement

Supply of 4.0 sqm sub - cable

Errection of sunbersible Pumpset into boe well including fixing and joining cable with proper clamps into the level to required depth and also fixing the riser pipe to required depth panel board fitting, valve fitting and constrol equipment fitting, twin

Providing of bore well pit protection arrangements using 8" MS pipe fitting complete or Handpump body bottam fixing charges

Towards Writing Name board with lettring and Painting charges etc.,

GST Amount for providing Service to Government Contract Works for the above Construction & Maintenance Works. { GST Amount is the Total GST Amount for overall quoted amount (Both Construction and Maintenance) above this row in column "BB" for all works in this package}