Construction of 60000 Ltr OHT at Ondipulinaickenoor Village and Panchayat in Virudhunagar Block of Virudhunagar District under Virudhunagar District Mineral Foundation Trust Fund in Package no.VDMFTF-12/2023-24

Amount

Construction of 60000 Litres OHT

Earthwork excavating and depositing on bank with an initial lead of 10 metres and initial lift of 2 metres in hard stiff clay, black cotton, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., SS 20B and as directed by TWAD Board Officers - for foundation

First depth of 2m

Second depth of 1m

Supply, Delivery and Filling with clean M sand complying with standard specification including watering ramming and consolidation etc., complete and as directed by TWAD Board Officers-for foundation.

Levelling coarse in cement concrete 1:4:8 (one cement,four sand and eight aggregate) using 40mm hard broken stone and M Sand for foundation and leveling coarse including cost of all materials, mixing,placing, ramming, curing, finishing etc., complete and as directed by TWAD Board Officers. (Beyond 1.5 m to 4.5 m below GL)

RCC in M30 GRADE using graded aggregtes of HBGs excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing, curing etc., complete as directed by Department

Below 1.50m to 4.50m depth from G.L

Below G.L upto 1.50m depth

Above G.L upto 4.50m height

Above 4.50m to 7.32m ht., from G.L

Above 7.32m to 10.98m ht., from G.L

Above 10.98m to 14.64m ht., from G.L

Above 14.64m ht., to 18.30m ht.,

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

PLANE SURFACES

Below GL

SQUARE COLUMN

Below GL

Gl to 3.30m

CURVED SURFACE

Upto 0-3.30 m

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 Deparment 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 and as directed by Deparment officers

Providing Cut stone set in CM 1:3 (one cement and three sand) using well dressed cut stone supporting inlet pipe of size 0.30 x 0.30 x 0.15m for service reservoir etc., complete as per standard specifications and as directed by Engineer-in-charge

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 (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 cur

Fabrication supply delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50mm x 50mm x6mm MS angles for both sides for steps at 30cm c/c welded jointed etc for I staging from GL to ist level brace weight 4.5kg/cm2 Iind and Iird staging up to floor slab and IVth staging from floor slab to roof top supply and fixing of 32mm GI pipes medium for handrails from Ist stage to IV th stage RCC M30 Grade mix for landing slab 5nos at Ground level-1no

Supplying and fixing in position of 0.60 x 0.60m water tight CI manhole frame and cove of approved pattern at the roof slab and as directed. The manhole frame and cover should be of light duty and confirming to IS: 1726-1974

Providing GI Ventilating arrangements with mosquito proof net etc., complete and as directed by department officers.

50 mm GI Pipe

50 mm GI Tee

50 mm GI Hex Nipple

50 mm GI Hex Elbow

Supply & Fixing of following Pipes and specials for OHT connection

Supply of GI Pipes for OHT Connections 65 mm dia

Supply of GI Pipes for OHT Connections 65 mm dia

Supply of GI Pipes for OHT Connections 50 mm dia

Supply of GI Pipes for OHT Connections 65 mm dia

90 mm dia PVC threaded coupler

75 mm dia PVC threaded coupler

65 mm dia GI Tee

65 mm dia GI 90 Bend

65 mm dia GI Coupler

65 mm dia GI Union

65 mm dia GI Elbow

65x50 mm GI Reducer

75x63 mm PVC Reducer

75 mm dia PVC threaded coupler

75x90 mm PVC Reducer

75x63 mm PVC Reducer

65 mm GI Gate Valve

50 mm GI Gate Valve

Refilling the excavated earth in layers of not more than 15 cm thick, watering, well ramming, consolidating, complying with standard specification as directed by the department officers

Supply and delivery of Woltman model with removal mechanism water meters, (Bulk type) conforming to ISO 4064 part I, II, III Class B and IS-2373 with life cycle test certificate from FCRI/ NABL accridiated lab. The watermeter shall have magnetic drivers or mechanical drivers and shall be versatile for installation in any position. The meters shall be hydrodynamically, hydrostatically balanced. The runner, runner chamber, pointers of the meter shall be as per ISO 4064 specification. Dry dial excavated counter housing fully protected against flooding ensuring easy reading in all climates.

Earthwork excavation in all type of Soil strata for laying of pipes with the standard trench width and depth as per standard specification

Refilling with excavated soil complying with standard specification in layers of 15cm thick well rammed and consolidated after the pipes and specials are laid and tested

Supply and Delivery of 63 mm dia PVC pipe

Laying and Jointing of 63 mm dia PVC pipe

Supply and Delivery of 63 mm dia PVC Bend

Supply and Delivery of 63 mm dia PVC Tee

Supply, Delivery, erection and commissioning of Batch type electro chlorinator using common salt as raw material, consisting of electrolyzers cell made of Titnium with coating mixed metal oxide such as Anabium, Cadmium, etc, capable of producing sodium hypochlorite solution within time span of 8 hours,having adjustable metering cum dosing pump capable of dozing the prepared sodium hypochlorite solution in water supply system with sensor having auto shut down when the storage if FRP tank gets empty. The storage vessel and electrolyzer tank (hypo procesing tank)must be made of FRP tank coated inside with hypothalic -BIS standard, having capacity to store required quantity of hypochlotrite solution, water and common salt for electrolysis process respectively. The eclectrochlorinator must have power source or control module for producing necessary DC current for electrlyser process from 440v, 3 phase / single phase AC supply and must have auto cut off after batch time of 8 hours. For all power connection, copper cables should be used. (Capacity 50001 to 100000 lit. per day)

GST Amount for providing Service to the above Government Contract 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}

GMARIAPPANANDCO