BDOKRM/309/2025/A3 / MPLADS /CONSTRUCTION OF 60,000 LITRES CAPACITY OVER HEAD TANK - 12.0M STAGING AT MAIPPARAI VILLAGE AND PANCHAYAT OF KURUVIKULAM BLOCK - TENKASI DISTRICT

Amount

Earthwork excavation and depositing on banks with initial lead of 10m and initial lift of 2m in all classes of Soils and Sub soils except hard rock requiring blasting, including shoring and structing the excavation upto sill level for Foundation as per SS 20 B Specification etc., complete

Ist Depth (0.00m - 2.00m)

Iind Depth (2.00m - 4.00m)

Supplying and filling Foundation with filling sand in layers not more than 15 cm thick including labour charges for Filling, Levelling, watering, well rammed and compacted etc., complete

Cement concrete 1:4:8 Mix using 40mm ISS HBG stone aggregates for Levelling course including Cost and conveyance of all materials to site, labour charges for mixing, placing, compacting and Curing concrete etc., complete - Base concrete

Refilling the Foundation, Basement with Excavated earth other than Sand including labour charges for filling, levelling, sectioning, compacting, ramming and consoildation etc., complete

Reinforced Cement Concrete 1:1.5:3 Grade mix using 10mm and 20mm ISS HBG stone aggregates including cost and conveyance of all materials to site, labour charges for mixing, laying, compacting and Curing concrete etc., complete. [excluding Steel, Centering charges]

Below 1.50m to 4.50m depth from Ground Level

Below 1.50m depth from Ground Level

Above Ground Level upto 4.50m Height

Above Ground Level From 4.50m to 7.32m Height

Above Ground Level From 7.32m to 10.98m Height

Above Ground Level From 10.98m to 14.64m Height

Above Ground Level From 14.64m to 18.30m Height

Supply and erection Centering for Sides and Soffits including necessary Supports and Strutting for attaining plain surfaces in all Reinforced Cement Concrete works including cost and conveyance of all materials to site etc., complete

For Plane Surfaces Below Ground Level

From 0.00m to 3.30m Ground Level

From 5.30m to 6.30m Ground Level

From 8.30m to 9.30m Ground Level

From 3.30m to 4.30m Height

From 11.30m to 12.30m Height

Centering for Curved Surface- Upto 3.30m Height from Floor Level

Upto 3.30m to 4.30m Height from Floor Level

Centering for Square Column-Below G.L

Upto 3.30m Height from G.L

From 3.30m to 4.30m Height

From 4.30m to 5.30m Height

From 5.30m to 6.30m Height

From 6.30m to 7.30m Height

From 7.30m to 8.30m Height

From 8.30m to 9.30m Height

From 9.30m to 10.30m Height

From 10.30m to 11.30m Height

From 11.30m to 12.30m Height

Exterior Emulsion painting two coats with best approved quality and colour Plastic Emulsion paint over one coat of Base coat including cost and convyance of all materials to work site and labour charges etc., complying with standard specifications complete.

Supplying and fabrication of Steel Fe 500 grade required for all RCC item of works involved including fabrication and labour charges for Cutting, bending, tying, placing in position, includes overlaping length wherever required and cost of binding wire etc., complete

Fabrication, supply, delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50mm 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.

Supplying and fixing in position of 0.75 x 0.75 m water tight SS Man Hole frame and cover of approved pattern at the roof slab and as directed byTWAD Board officers. The manhole frame and cover should be of light duty and confirming to I.S. 1726 /1974

Cut stone set in C:M 1:3 (One cement and three sand) using well dressed cut stone supporting inlet pipe of size 0.30 x 0.30 x o.15m for service reservoir as directed by TWAD Board officers.

Providing and fixing of RCC 1:2:4 (one cement, two sand and four course aggregate of 20mm size hard blue granite broken stone) for Ventilators of approved pattern including cost of cement, reinforce ment, centering, shuttering, strutting etc, complete

Supplying and fixing in position of RCC 1:1.5:3 mix (one cement, one and half sand and three blue course aggregate of 20mm size hard broken stone) Inner Access Ladder of approved design and pattern inside the tank including cost of cement, reinforcement etc., complete

Supply, Delivery and fixing of GI Pipes and Specials for OHT Connections for Inlet, Outlet, Scour and Overflow connections as per the requirements and the standard specifications etc., complete - Inlet, Scour, Delivery & Outlet Connections

65mm dia GI Pipes

65mm dia GI Elbow

65mm dia GI Coupling

65mm dia GI Flange Set

65mm dia GM Gate Valve

SUB ESTIMATE - Rain Water Harvesting Structure

Earth work excavation in all clauses of soils with initial lead and lift except hard rock requiring blasting etc., complete for foundation as per SS 20B.

For first depth of 2m

For Second depth of 1m

Supplying and filling with sand including cost and conveyance and all labour charges such as watering and ramming etc., complete as per standard specifications.

Supplying and filling with 20mm size brick bats including cost and conveyance and all labour charges etc., complete as per standard specifications.

Collection and supply of 40mm HBG metal and filling in to the recharge pits including cost and conveyance to the site and all labour charges for filling as per standard specifications.

Brick work in CM 1:5 mix using third class country bricks of size 8 3/4 x 4 1/4 x 2 3/4 including all cost and conveyance of materials and labour charges etc., complete

Plastering with CM 1:3 mix using to 10mm thick including all cost and conveyance of all materials and all labour charges etc., complete.

Plastering with CM 1:5 mix using to 12mm thick including all cost and conveyance of all materials and all labour charges etc., complete.

Exterior Emulsion painting two coats with best approved quality and colour emulsion paint over one coat of Base coat including cost and convyance of all materials to work site and labour charges etc., complete.

MR.SUBBURAYALU, CONTRACTOR (BID ID -1410480)