Construction of 60000 litter Capacity OHT Tank and Extention of Pipe Line (Length 1962m) at Thappathi Village and Panchayat Under 15th FC B.Pt 2025-26

Construction of 60000 litter Capacity OHT Tank and Extention of Pipe Line (Length 1962m) at Thappathi Village and Panchayat

Earth work excavation and depositing on bank with initial lead 10m and lift of 2.0m in the following classification of soils, bailing out water wherever necessary including providing danger lights etc., and as directed as per specification SS 20B and special specification. in Hard rock Rock requiring blasting as per standard specifications and as directed by the Engineer.

First depth of 2m for column foundation

Second depth of 2m for column foundation

M-Sand filling for foundation with river sand including consolidation ramming etc. complete as per standard specifications and as directed by the Engineer-incharge

Plain Cement concrete 1:4:8 (one cement, four sand and eight course aggregate of 40mm size hard blue granite broken stone) for levelling course for foundation including the cost of mixing, placing the concrete in position, consolidating finishing and curing etc., complete and as directed for works beyond 1.50m and upto 4.50m depth below ground level.

Reinforced cement concrete M30 grade using 10mm and 20mm Hard Broken Stone. The rates excluding the cost of supplying, fabricating and placing in opposition of MS / RTS Grills for reinforcement and centering, strutting & shuttering, but including cost of mixing, placing the concrete in position, vibrating, consolidating, finishing and curing the concrete etc., complete and as directed by the Engineer-in-charge. (The rates inclusive of testing the reservoir for the water tightness of the structure)

From G.L upto 4.50m depth

(i) below 1.50m to 4.50m depth from G.L for Footing

Below G.L upto 1.50m depth for column & G.L brace

Above G.L upto 4.50m height for column & brace

Above 4.50m to 7.32m ht., from G.L for column & brace

Above 7.32m to 10.98m ht., from G.L for column & brace

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

Above 10.98m to 14.64m ht., from G.L for Floorbeam , Floor slab , Side wall & Haunch

Above 14.64m ht., to 18.30m ht., for roof slab & side wall

Centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3m ht., using MS sheet of size 90cm x 60cm and BG. 10 gauge stiffened with welded MS angles of size 25mm x 2mm x 3mm laid over silver oak (country wood) joints of 10cm x 6.5cm spaced at about 90cm c/c and supported by Casurina props of 10cm to 13cm dia. at 75cm c/c complying with standard specification and as directed.

Plain Surface

Upto 3.30m ht., from G.L for Column footing, G.L brace peripheral & I set of Brace above GL

From 3.30m to 4.30m ht., for brace & roof slab bottom

From 5.30m to 6.30m ht., for brace

From 6.30m to 7.30m ht., for brace

From 8.30m ht., to 9.30m ht., for brace

From 9.30m ht., to 10.30m ht., for brace

From 11.30m to 12.30m ht. for floor beam & floor slab bottom (including 1.5m working space)

Centering for square column

upto 3.30m ht.

From 3.30m to 4.30m ht.,

From 4.30m to 5.30m ht.,

From 5.30m to 6.30m ht.,

From 6.30m to 7.30m ht.,

From 7.30m to 8.30m ht.,

From 8.30m ht to 9.30m ht

From 9.30m ht to 10.30m ht

From 10.30m ht to 11.30m ht

From 11.30m ht to 12.30m ht

Centering for curved surface

From 0 to 3.30m ht from floor level for side wall

From 3.3 to 4.30m ht from floor level for side wall & roof slab sides

From 11.30m to 12.30m ht for sides of floor slab

Supplying, fabricating and placing in position of RTS grills for reinforcement for various members including cost of steel for all RCC works etc., complete as per standard specifications and as directed by Engineer. The rate to include the cost of binding wire also.

Painting two coats of newly plastered wall surface with ready mixed plastic emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putt

Provision for MS Ladder and Hand rails for 60000 litres - 12m Staging Height Service Reservoirs

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 (33kg)

Refilling the foundation with excavated earth including consolidation as directed by the Departmental Officials etc., complete

Provision for pipe connection arrangements for lnlet, outlrt, scour and overflow etc., including 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.65mm Φ GI pipes

65MM dia GI Tee

65MM dia GI Bend

65MM dia GI Coupler

65MM dia GI Union

65MM dia GI Elbow

65MMx50MM dia GI Reducer (Medium)

65MM dia GM Gate Valve

50MM dia GM Gate Valve

provision for EPL Sub estimate

Drilling of borewell size of 150mm dia in sedimentary formation using hand boreset including insertion of casing pipes anywhere in Tamilnadu including transportation from one place to another in alluvial soil sedimentary strata of clay and sand stone ,shale pebbles,boulders etc by taking pilot bore of 140mm/150mm dia and then enlarging by mud circulation method etc...complete

Drilling of borewell size of 150mm dia in Rock formed area at anywhere in Tamilnadu including transportation from one place to another in alluvial soil sedimentary strata of clay and sand stone ,shale pebbles,boulders etc by taking pilot bore of 140mm/150mm dia and then enlarging by mud circulation method etc...complete

Supply and delivery of150mm CS pvc casing pipes including conveyance charges etc..complete

Supply and delivery of Three phase submersible pumpset suitable for erection in to the borewell of 150mm dia (5 H.P.) (50*175 LPM)

Supply and delivery of Three phase Panel board with two level Guard and auto start

Labour charges for the erection of submersible pumpset in borewell including fixing and jointing submersible cable with proper clamps and earthing etc..complete

Supply and delivery of 4.0 sqmm PVC insulated and sheathed 3 core flat type copper cable

Supply and delivery of GI pipes for erection in to the borewell 50 MM

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. TWAD (WD-M1359)

Water meter for OHT

Dirt Box

Erection Chasrges

Supply, Delivery, erection and commissioning of Batch type electro chlorinator using common salt as raw material, consisting of electrolyzers cell made of Titanium 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 processing tank)must be made of FRP tank coated inside with hypothalic -BIS standard, having capacity to store required quantity of hypochlorite solution, water and common salt for electrolysis process respectively. The electrochlorinator must have power source or control module for producing necessary DC current for electrolyser 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. WD-M1506

Supply and delivery of 75 mm pvc 4 ksc pipes for pumping main system

Earthwork excavation and depositing on bank with initial lead of 10m and lift of 2m in narrow trenches for laying of pipesin Hard stiff clay,stiff black cotton,hard red earth,shales,murram ,gravel,earth mixed with small sized boulders etc...

Laying of 75 mm pvc 4 ksc pipes to proper line and level including jointing but excluding cost of pipes

Refilling the excavated earth after laying and joining of pipes including all labour charges etc..complete

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for overall quoted amount (for Construction) above this row in column "BB" for all works in this package}