Construction of 60000 Lit Capacity OHT at Namathodu Panchayat in Peranamallur Block in Tiruvannamalai District under Mines and Minerals Scheme - 2023-2024

Amount

Description

Earthwork excavation and dwposition on bank with an initial lead of 10m and lift of 2m in the following classification of soils as directed by Board officers.Hard stiff clay, block cotton, hard red earth, shales, murram, ordinary gravel, stoney earth and earth mixed with small size boulders for foundation SS 20B

Sand filling with clear river sand including watering, consolidation etc.,complete for Foundation as directed by Bdo officers

Cement Concrete 1:4:8 mix using 40mm HBGS for Levelling course for foundation including the cost of mixing concrete, ramming, curing etc., complete as directed by Board officers

RCC 1:1:5:3 usning 20mm HBG metal excluding cost of reinforcment, centering, shuttering stutting but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing

Below 1.50m FROM GL

Upto GL

Above GI and Upto 4.50M Height

Above 4.50m and Upto 7.32m Ht from GL

Above 7.32m and upto 10.98m Ht from GL

Above 10.98m and upto 14.65m Ht from GL

Above 14.65m and upto 18.30m Ht from GL

Provinding steel centering using MS plates of size 90cmx60cm 13 grade to 10 grade thick welded with 25mmx25mmx3mm MS angles supported with country wood stantling of size 10cmx6.5cm at 90 cm C/C strutting with casurina props of 100m to 13cm dia as directed by Board Officers.

Below GL

From 3.30 to 4.30

From 4.30 to 5.30

From 5.30 to 6.30

From 6.30 to 7.30

From 7.30 to 8.30

From 8.30 to 9.30

From 9.30 to 10.30

From 10.30 to 11.30

From 11.30 to 11.40

Plane Surface

Below GL

From 5.30 to 6.30

From 8.30 to 9.30

From 11.30 to 12.30

Curved Surface

From 3.30 to 4.30

Supplying, Fabrication and placing in position of HSD steel rods for reinforcement including the cost of steel and binding wire etc., complete and as directed by board officers

painting two coats using approved quality cement paint over one cost of priming coat exposed surface of the Reservoir including cleaning, preparing the surface and curing etc, complete and as directed by Department Officers

Supplying and Fixing in Position of Cut Stone set in Cm 1:3 using well dressed cut stone supporting inlet pipe inside the tank and as directed by the officers

Provision for pipe connection arrangements for inlet outlet, scour and overflow etc., includeing cost of pipes, specials, valve, labour charge for lifting, aligning, cutting, threading, fixing and painting of GI pipes with two coats of approved quality enamel paint etc., complete as detailed below.

80mm GI Pipes

80mm GI Coupling

80mm GI Bend

80 mm GL Flange Set

90 mm PVC Threaded Coupler

80mm GI Pipes

80mm GI Coupling

80mm GI Bend

80 mm GL Flange Set

80 mm GM Gate Valve

65 mm GM Gate Valve

90 mm PVC Threaded Coupler

90 mm x 63mm PVC Reducer

80mm GI Pipes

80mm GI Coupling

80mm GI Bend

80 mm GL Flange Set

80 GM Gate Valve

90 mm PVC Threaded Coupler

80mm GI Pipes

80mm GI Coupling

80mm GI Bend

80 mm GL Flange Set

90 mm PVC Threaded Coupler

Rubber Sheet

Bolt and Nuts

80 GI Pipe Cutting Charge

80 GI Pipe Threading

Fabrication,supply, delivery and fixing of outside MS ladder of 45cm wide made out of 50x50x6m MS angle for sides and steps in 16mm MS plain rods fixed at 30cm centre to centre welded, jointed etc., providing with suitable side supports, clamps, and locking arrangements provided with one coat of red oxide paint for providing access to roof top of 10,000 lit. capacity OHT of suitable inclined length, including bottom anchorage and 6transportation

Supply and delivery and fixing position of CI man hole cover and frame of Size 60x60cm on roof slab and as directed by the officers The manhole frame and cover should be of light duty and conforming to ISI 1726/1974

Supply and Delivery and Fixing in Position of 150mm dia AC Ventilators on the roof Slab and as directed by the officers

Refilling the Foundation for Service reservoir with excavated earth (other than sand) in layers of 15cm thick well rammed, watering and consoildating etc Complete complying with standard Specification as directed by the officers

Providing and fixing of RCC inner access ladder in RCC 1:1:5:3 (one cement, one and half sand and three aggregates) 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 10cm x 15cm and step slab of 25mm x25mm etc., complete and as directed by Board officers.

Pipeline Works

90 mm PVC 6Ksc Pipes

90 mm PVC Threaded Coupler

Earth Work Excavation and depositing on bank with initial lead and lift in all soil for etc complete

Laying and jointing of PVC pipe in to trench for etc complete

Labour welfare fund 1.00 %

MANU CONSTRUCTION