Construction of 30000 Litres OHT (12m High) at Narmadha Garden in Kandamangalam Panchayat

Construction of 30000 litres capacity OHT ( 12.00 m Staging ) at Narmadha Garden in Kandamangalam Panchayat. Kandamangalam Block

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

First depth of 2m

Second depth of 1m

Collection and supply of sand and filling in to the basement including cost and conveyance to the siteand all labour charges for filling as per standard speecifications

For Column Footing sub base

Cement Concrete 1:4:8 (One cement, four sand and eight aggregates) using 40mm HBG stone for levelling course for foundation including the cost of mixing concrete, ramming, curing etc., complete.

For Foundation

RCC 1:1.5:3 (One cement, one and half sand and three agreegates) using 20mm HBG stone excluding cost of reinforce ment, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishsing, curing etc., complete.

1.50m to 4.50m below G.L.

0m to 1.50m below G.L.

0m to 4.5m from GL

4.51m to 7.32m from Above GL

7.33m to 10.98m from Above GL

10.98m to 14.64 m from Above GL

14.64m to 18.30 m from Above GL

Supplying and erecting steel centering for sides and soffits including necessary supports and shuttering to the required height for RCC items using MS sheets or susitable size of BG.10 stiffened with welded MS angles of size 25mm x 25mm x 3mm of boarding, laid over silver oak joints of size 10cm x 6.5cm spaced at 90cm centre to centre and supported by casurina props of 10cm to13cm dia spaced at 75cm centre to centre complying with standard specifications etc. complete

PLANE SURFACE

Below G.L.

From G.L. to 3.30m

From floor 3.31m to 4.30m Above GL

5.30m to 6.30m Above GL

8.30m to 9.30m Above GL

11.30m to 12.30m Above GL

Curved surface

Square column

GL to 3.30m

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

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.

Fabrication,Supply,delivery and fixing of Out side MS Lader of 45 cm clear wide made out of 50 mm x 50 mm x 6mm MS Angle for both sides and for steps at 30 cm c / c welded jointed etc., for I staging from GL to FIRST Brace ( weight 4.50 kg/m ) Second and Third stagging upto Floor slab and Fourth Stagging from Floor Slab Roof Top Cover Slab.Supply,Delivery and Fixing of 32 mm GI Pipes medium for Hand Rails from First stage to Fourth Stage. RCC M30 Grade mix for Landing SlabFive Nos at Ground Level - 1 No and above Ground Level - 4 Nos . Supply and fixing of 32 mm Dia GI Pipes for Landing Slab .Supply and fixing of MS Base Plate of 100 mm x 100 mm x 6 mm 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 redoxide paint as per approved Type Design

Providing and fixing of RCC inner accesss ladder in RCC 1: 1.5:3 (one cement, one and half sand and three agreegate) 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 x 25mm etc. complete.

Providing 110mm AC Vent cowl arrangements mosquito proof nylon net as directed by dept officer

Providing cut stone slab in CM 1:3 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 50mm x 50mm x 6mm MS angles fixed along edges and as directed by TWAD Board officers.

Provision for pie connection

65mm dia GI pipes for inlet connection.

65mm dia GI pipe Over flow

65mm dia GI pipe delivery

50mm dia GI pipe scour

90mm dia PVC Threaded coupler

75mm dia PVC Threaded coupler

63mm dia PVC Threaded coupler

65mm dia GI Tee

65mm dia GI Elbow

65 x 50 mm dia GI reducer

75 x 63 mm dia PVC reducer

65mm dia GI Union

65mm dia GI Flange

65mm dia GI Coupling

65mm dia GM Gate valve

50mm dia GM Gate valve

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

Labour charges for G.I pipe connection to OHT, for inlet, outlet, overflow and scour pipe arrangements

Providing Hand rails over the Roof slab by using 32 mm GI Pipe with 40mm x6mm MS Flate and fixied with 12mm dia fastner bolt 75mm long and as directed by dept officer

Provision for fencing / door lock and ladder

Provision for Pumping main line

Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil.SS 20B

Cost and supply of Pvc Pipe & specials including all labour charges etc for pumping main and Distribution Line

6 KSC, 90 mm dia PVC Pipe

90 mm Pvc Bend

90 mm Pvc Elbow

90 mm Pvc End Cap

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

Refilling with excavated soil (other than sand) complying with standard specification for filling in foundation and basement.

Providing Fencing arrangements with platform

Earth work excavation and depositing on bank with in initial lead of 10 mand initial lift of 2m in hard stiff clay, stiff black cotton soil,as per SS 20B

Cement concrete 1:4:8 mix using 40mm ISS metal and M. Sand including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing etc complete for 10 cum.

Supplying and Erection centering for sides and sofficts

Providing and Fixing of RCC Post

CC 1:2:4mix using 20mm ISS HBG metal including Cost of all other labour charges etc

Supply and Fixing of Chain Link - 2" x 2" using 10 Gauge Galvanised Iron Wire (of all sizes)

Safety door for fencing

Provision for Water Meter

Provision for manual Chlorinator

Provisison 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}

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