MLA CDS 2023-2024 - Construction of 30000 Ltr Capacity OHT Tank at Ward No 02 Thimirikottai area In Mecheri Town panchayat

Amount

Earth work excavation below G.L. and depositing on bank within an initial lead of 10m and an initial lift of 2m for the following classification of soil 1) In hard stiff clay, stiff black cotton soil, hard red earth, sales, murrams, gravel, stoney earth, earth mixed with small sized boulders and hard gravelly soil S.S.20B

Soft disintegrated Rock kankar Laterite Ist Depth of2.0m

Second depth of 1m SDR

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

PCC 1:4:8 using 40mm HBG metal including mixing curing etc.,below 1.50 m & upto 4.50 m depth BGL.

RCC in M 30 mix using10mm& 20mm size HBG metal excluding cost of reinforcement and centering but including cost of mixing, laying, curing, finishing etc.complete 4.1.Below 1.5m & upto 4.50 m BGL

0m to 1.50m below GL

0m to 4.50m above GL

4.50 m to 7.32 m above GL

7.32 m to 10.98 m above GL

10.98 m to 14.64 m above GL

14.64 m to 18.30 m above 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 stiffeneq with welded MS angles of size 25mm x 25mm x3mm of boarding I. Plain Surface 5.1 Below GL

From GL to 3.30m

From 5.30m to 6.30m above GL

From 8.30m to 9.30m above GL

From 11.30m to 12.30m

Square Column: A. Square Column Below GL and upto 3.30m above GL 1. Column 0 to 3.3m ht. above G.L and below GL

3.31m to 4.30m ht

4.31m to 5.30m ht

5.31m to 6.30m ht

6.31m to 7.30m ht

7.31m to 8.30m ht

8.31m to 9.30m ht

9.31m to 10.30m ht

10.31m to 11.30m ht

11.31m to 11.40m ht

B. Curved Surface - upto 3.30m ht.

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. ( As per separate sheet )

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

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 Level1No. 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 M30 (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 curing etc

Providing Ventilating arrangements with 50 mm GI pipes with mosquito proof nylon net and as directed by TWAD Board officers

Providing cut stone slab in CM 1:3 of size 0.45 m x 0.45 m x 0.15 m and as directed by TWAD Board officers

Providing manhole cover of size 1x1 0.60 X 0.60M in CI with suitable reinforcement and 5O x 5O x 6mm MS angle fixed along edges and as directed by TWAD Board officers.

Supply,delivery and fixing of pipes and specials for OHT connections 50 mm GI Pipe for scour

65 mm GI Pipe for inlet , Outlet and Overflow

63 mm OD PVC 4 ksc pipe for drainage arrangements

75 mm PVC Threaded Coupler

63 mm PVC Threaded Coupler

65 mm GI elbow

50 mm GI Elbow

65x65x65 mm GI Tee

65 mm GI coupling

65 mm Flange set

50 mm Flange set

75 mm X 63 mm PVC Reducer

90 mm X 75 mm PVC Reducer

65x50 mm GI Reducer

G.Govindharaju