Construction of New 60000 Litre OHT at Melapalayur Habitation in Melapalayur Panchayat in Kudavasal Block in Tiruvaur District. Package 04/KDL/JJM-NABARD-RIDF-XXIX 2024-25

Amount

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 TWAD board Officers

First depth of 2m From 0 to 2 m below GL

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

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

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for foundation and footing including mixing, placing, ramming ,finishing curing etc. complete in accordance with standard specification and as directed by the TWAD Board Officers.

Reinforced Cement Concrete Mix M30 grade using 10mm & 20mm Hard blue granite Broken stone (machine crushed) excluding the cost of RTS rods for reinforcement and centering, strutting, shuttering but including cost of all materials mixing, laying, Vibrating the concrete with mechanical vibrators, ramming, consolidating, finishing and curing etc., Complete and as directed by the TWAD Board Officers.

For items 1.5m to 4.5m below GL

For items 0 to 1.50m below GL

For items 0m to 4.5m above GL &1.00 m

For items 4.50m 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

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 and as directed by the TWAD Board Officers.

Plane surface - Below GL

Below GL

From GL to 3.30m

FROM FLOOR 3.30 TO 4.30 M

From 5.30m to 6.30m above GL

From 8.31m to 9.30m above GL

From 11.30m to 12.30m

Curved Surface

0 to 3.30m from floor level

3.30m to 4.30m from floor level

Square Column:

Square Column Below GL and upto 3.30m above GL

Ground level to 3.30 m

3.30m to 4.30m ht

4.30m to 5.30m ht

5.30m to 6.30m ht

6.30m to 7.30m ht

7.30m to 8.30m ht

8.30m to 9.30m ht

9.30m to 10.30m ht

10.30m to 11.30m ht

11.30m to 12.30m ht

Painting two coats with approved cement paint over one coat of priming coat over cement plastered exposed surface of the Reservoir including cleaning, preparing the surface and curing etc., complete and as directed by TWAD Board officers

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 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 1:11/2 :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

Supply and fixing of cut stone of size 0.30m x 0.30m x 0.15m in CM 1;3(one cement and three sand) below inlet pipe for Service Reservoir as directed by TWAD Board Officers.

Providing manhole cover of size 0.60 x 0.60M in RCC 1:1.5:3 with suitable reinforcement and 50x50x6mm MS angle fixed along edges and as directed by TWAD Board officers

Painting TWAD Board emblem 1 x 1 on the SR with enamel paint as per Board's specification and as directed by TWAD Board officers

65 mm Ø GI pipes for inlet & Overflow

65 mm Ø GI pipes for Scour

65 mm Ø GI pipes for outlet

90mm Ø PVC Threaded coupler

63mm Ø PVC Threaded coupler

65 mm Ø GI Tee

65mm Ø GI Elbow

65mm Ø GI union

65mm Ø GI Flangeset

65mm Ø GI Coupling

65mm Ø GM Gate valve

65x50mm Ø GI Reducer

65x80mm Ø GI Reducer

Labour charge for SR Tank connection work

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 Platform (Sub Estimate)

Earth work excavation in hard stiff clay soil with initial lead and lift as per SS20B for fondation

Filling with good river sand including cost, conveyance for all materials & labour charges etc complete

CC 1:4:8 mix using 40 mm ISS HBG metal including cost of all materials & labour charges etc complete

CC 1:2:4 mix using 20 mm ISS HBG metal including cost of all materials & labour charges etc complete

Brick work in CM 1:5 mix using country bricks of size 8 3/4" x 4 1/4" x 2 1/4" including cost,conveyance & labour charges etc complete upto basement

Plastering with CM 1:3 mix 12 mm thick including cost of materials & labour charges etc complete

Filling the stones in soakpit incluiding the cost and conveyance of materials 40mm

Rcc Precast rings

Ring and RCC Cover Slab

Provision for PVC Pipe

Provision for Pipeline(Sub estimate)

Earth work excavation of and depositing on bank with intital leadof 10mtr. & initial liftof 2mtr inhard stiff clay stiff black cotton soils, stiff re earth, shales murrams, gravel stoney earathand darth mixed with 50% fair sized boulders and hard gravelly soils.

Supply & Devliery of PVC rigid pipes for potable water supply as per IS 4935/1988 and aa amended fro time to time with ISI marking of othe following sizes with necessary couplers or bel ended pipes as specified in ISI and the required quantity of solvent cement having the required woring pressure and for delivery at site of works including loading, unloading stacking and transit insurance charges etc.,complete (4kgs)

63mm PVC Rigid Pipes (4 Kg)

Refilling with excavated earth (other than sand complying with standard specification for filling in trenches.

Conveyance of PVC rigid pipes and lowering into the trenchlaying to proper gradian and alignment, jointing PVC couplers with solvent cement and testing to required pressure including conveyance of water into one k.m. lead for filling in the pipes excluding cost of materials which will be supplied.

63mm PVC Rigid Pipes (4 Kg)

Solvent cement

63mm PVC TEE

63mm PVC Elbow

63mm PVC End cap

Provision for Chlorination Meter Charges

Provision for Water Meter Charges

Provision for Name Board 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}

Dhinakaran and Co (BID ID -1104291)