Construction of 20,000Lit OHT (7.50m Stage) at Nandi Palaniammal House near H/O Periyeripatti Panchayat in at Omalur Block in Salem District - MLACDS -2025-2026 Work No.02

Construction of 20,000Lit OHT (7.50m Stage) @ Nandi Palaniammal House near H/O Periyeripatti

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

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.

Below 1.5m to 4.50m below GL

0m to 1.50m below GL

0m to 4.50m above GL

4.50m to 7.32m above GL

7.32 m to 10.98 m above GL

For roof Slab

Below GL

From 3.30m-4.30m

From 6.30m to 7.30m

Curved Surface 0m to 3.30m

Square Column:

3.30m to 4.30m ht

4.30m to 5.30m ht

5.30m to 6.30m ht

6.30m to 7.30m ht

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 (using cement paint of colour as approved by the Departmental officer) and as directed by the 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

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

50mm GI pipe for delivery pipe

50mm GI Elbow

50mm GI coupling

50mm GM gate valve

Earth work excavation and deposting on bank with an initial lead of 10m & lift of 2m for pipe laying works with standard trench width and depth etc., complete

Supply and delivery of 63mm OD 4 KSC PVC Pipe as per ISI Marked Standarad specification.

Lowering PVC pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste.

Refilling the excavated earth as per the standard specifications (63mm)

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

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}

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