15th Finance Commission 2025-2026 - Construction of Reverse Osmosis Plant (RO Plant) at Tharangambadi (ward - 12)

Earth work excavation in all classes of soils such as hard stiff clay, stiff black cotton, hard red earth, shales, murram, ordinary earth, earth mix with 50% fair sized boulders etc., with initial lead and lifts including laying, spreading, leveling, sectioning breaking clods etc., including all incidental charges etc., complete as per standard specification . for Foundations SS 20B

Supply delivery and filling of River M-Sand in layer of not more than 15 cm thick including watering with all layers and consolidation complying with standard specification including cost and conveyence of M-Sand to Site and all labour charges and all other incidential charges etc,. complete as per Standard Specification

Cement concrete of mix 1:4:8 (One cement Four M-Sand Eight aggregates) using 40mm gauge hard broken including cost conveyance of all materials to site including labour charges, transporting and placing in position including shoring, strutting forming protective bunds, cofferdams bailing out of water labour for mixing compacting, finishing and curing, working at depths, tools and plants and incidental charges such as sheeting, shoring and bracing and their subsequent removal etc., complete as per standard specification.

RCC 1:1½:3 (One cement one point five M-Sand and three aggregates) mix using 20mm gauge hard granite broken stone jelly in all RCC works connected to the work excluding shuttering , Centering and cost of Reinforcement grills but including curing ,finishing etc complete with standard specification and as directed by Engineer incharge.

Supplying & Erecting centering for sides & soffiots including necessary supports & strutting upto 3.29m height for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90 x 60cm & 10 gauge stiffened, welded with steel angle of size 25 x 25 x 3mm for boarding laid over silver oak joists(Country wood) of size 10 x 6.5cm spaced @ about 90cm c/c and supported by casurina props of 10 - 13cm dia. spaced @ 75cm c/c etc., complete complying with standard specifications and as directed by the departmental officers. Rate for 10m2.for the following items.(RCC floor slab, roof slab, Rectangular/ square, Tee/ Ell beams, Lintels, staircase waist slabs, Landing slabs, Landing beam, Portico beam etc., ).

Without strutting

With strutting

Supplying and Fabrication of Steel and placing in position MS / Ribbed tor steel Grills for RCC works as per design given including cost of steel and GI binding wire in Floors etc,. Complete complying with standard specification in force and as directed by department officials.-

Brick work in Cement Mortar in 1:5 ( One cement and Five M-Sand ) using best quality of Country bricks of size 8¾x 4 ¼ x 2 ¾ including all cost of materials and labour charges including Curing charges etc., complete as per Standard Specificationand as directed by department officials.

Plastering walls with cement mortar 1:5 (One cement five P-Sand) 12mm thick in all floors and all exposed surfaces including cost and conveyance of materials to site and all labour charges,Curing etc completeand as directed by department officials..

Special Plastering with cement mortar 1:3 (One cement three P-Sand) 10mm thick including cost and conveyance of materials to site and including all labour charges etc complete.

Weathering course in Brick jelly and lime concrete using broken brick jelly of size 20 mm uniform gauge in pure slacked lime ( no sand to be used ) the proportion of brick jelly to lime being 32:12.5 by volume laid over the RCC roof slab in a single layer of required design , slope and finished thickness by beating the concrete with wooden and beaters of approved pattern keeping the surface constantly wet by springing lime Jaggery water etc complete as per standard specification.

Finishing the top of Roof with one course of machine pressed tiles of size ( 23x23x2 cm ) approved quality in C.M. 1:3 - 12 mm thick mixed with water proofing compound confirming to IS @ 2 % by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc complete as per standard specification.

Paving the flooring with Vitrified tiles of size 600mm x 600mm x 8mm of approved colour and quality laid in cement mortar 1:3 (one cement and three sand ) 20mm thick in all floors and the top pointed with the colour cement etc., complete

Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Windows of casement type (open) from the profile the size of outer frame 60mm x 58mm and shutter profile are reinforcement with GI/1mm 25GSM and 100% corrosion free, the profiles are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with over all the edges of frame and shutter the shutter will be provided with spag multi power point locks and also it operates as handle. The corners and joints should be welded and cleaned. Radiations free pin headed plain or brown olour glass 4mm thick should be provided to the shutter and it should not allow leakage of water even at most ranging storms and should have key lockable action, security protective hinges, strong locking systems and as per size for arresting noise and energy loss. The connecting mechanism between sash and outer frame that enables opening of the window. The window should be fixed to the wall with 100% packing with screws and silicon packing all round the frames. The window should be got approved from the executive Engineer before use on work

Providing and fixing casement doors fabricated from un-plasticized polyvinyl chloride (uPVC) sections Profiles: The profiles should be three chamber system which provides high insulation properties with outer frame 60mm x 55mm with an outer wall thickness of 2.4mm. The window unit should be designed with all corner joints mitred and fusion welded. Windows should be steel reinforced with 25 x 24 x 25mm steel reinforcement with a thickness of 1mm to have dimensional stability. The sash should be of 60 x 102mm. The mullion should be of 60 x 74mm. The profiles should have co-extruded seals.Hardware: All the hardware like friction stays, handles should be screwed with self tapping screws. The handles, locks should be designed so that they cannot be released from outside.Glazing: The window system should be glazed with 5mm plain float glass / 6mm bison lam. Installation: The profiles should be cut to length and welded 45 degrees. The window should be designed such that the water drainage does not pass through the reinforcement chamber. The window system should be fixed directly to the plastered brick wall using self expanding nylon plug and driving ms electroplated screws into plug

Supplying, fabricating and fixing in position of mild steel door with single/double shutters using M.S angle of size 40 x 40 x 6mm for outer frames and 35 x 35 x 5mm for shutter frames, fully covered with M.S sheet of 18 gauge with M.S flat of size 32 x 6 mm for internal stiffners and one number of aldrop , two numbers of tower bolts, holdfasts, hinges, handles etc., including providing one coat of red oxide primer. The rates shall inclusive of cost of all materials labour charges for fixing the door in position by dismantling the masonry, concrete etc. and redoing the same to the original condition duly packed with concrete etc., complete.

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, putty, wherever required etc., complete complying with standard specification

Painting new iron works with two coats of approved quality and color of synthetic enamel paint over the existing red oxide primer in all floor etc., complete as per standard specification.

Wiring with 2 x 1.5 sqmm (22/0.3) PVC insulated SC. unsheathed Cu.Conductor of 1100 V grade in suitable PVC rigid Pipe on wall and ceiling with PVC accessories and with TW switch box and 5A F.T. switch with painting of suitable Colour for open PVC light point / fan point (For electronic regulator. SD 23

Wiring with 2x4 sqmm(56/0.3) PVC insulated SC unsheathed Cu.Conductor cable of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories, in flush with wall, with 150mm x 100mm x 113mm TW switch box with 3mm thick hylem sheet for 15 A 3 pin non inter locking CS plug with continuous earth wire connection of 14 SWG TC wire , and making good of the concealed portion, with suitable colour for concealed power plug point SD 40

Supply and fixing of single box type 4'40 W flu fitting complete with copper choke and condensor with TW round blocks on wall or ceiling with flu tube with PVC unsheathed Copper leads from terminals to the fitting. SD 89

Supplying and fixing PVC rain water down fall pipes of 4kgf/cm2 variety of the following sizes excluding cost of PVC specials but including charges for fixing them in position with nessary shoes, bends, clamps, TW plugs, screws, nails etc., complete.

Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 150mm dia and then enlarging to 300mm dia bore by direct or reverse rotary mud circulation method using rotary rigs fuel, labour and drilling benonite and water required for drilling at site. Site will be shown by the Departmental officers including construction of mud pit..upto 60m depth ending below ground level

Upto 60 mt. Depth ending below ground level

Reaming 200/350mm dia pilot bore to 300mm dia bore as directed by the Departmental officers.

Upto 60 mt. Depth ending below ground level

Supply of the following casing pipes of ISI approved quality with wall thickness not less than 7.5mm to 8.5mm with PVC couplers and cement Paste etc. Complete and including packing the annular space with pebbles quality and size of pebbles and the PVC pipe should be approved by the departmental officer.

150mm dia OD PVC Plain casing Pipe (CS)

150mm dia OD PVC slot casing Pipe (RS)

150mm dia OD PVC end cap

Labour charges for inserting150 mm dia OD PVC casing pipes assembly. (with slots and without slots) in the drilled hole including jointing the pipes with PVC couplers with cement paste including supplying and packing of pebbles in anular spaces as approved by the Asst.Exe.Engineer.

Charges for developing the borewell with air compressor of 600CFM. Capacity (minimum 8 hours ) including transportation labour and fuel charges for compressor as directed by the Departmental Officers and conducting yield test by 'V' notch methods.

supply and delivery of 1HP single phase Submersible pumpset of duty condition 15 lpm x 40 m as per IS 8034 without panel board etc complete as per standard specification.

Supply of single phase Pannel board suitable for 1HP with two level guard and auto start etc complete as per standard specification.

Supplying and delivery of 2.5Sq.mm of PVC insulated and sheathed 3 core flat type copper cable confirming to IS694/ 1990 etc complete as per standard specification.

Labour charges for the errection of 1HP submersible pumpset in the Borewell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth walls errection clamps pressure gauges up to the exterior wall of pumping room and errection of panel board consisting of DPICN switches starter volt meter ammeter, Three Pilot ( Indicating ) lamps capacitor single phasing preventer water level guard and laying and jointing the cable s and twin earthing as per IE rules etc complete and testing to the pumpset and trial run for 10 Days.

Earthing as per P.W.D standard with an earth electrode of 2 Mtr. Class 'B' GI pipe of dia not less than 32mm complete with necessary masonry work SD 228

Supply and delivery and fixing of HDPE tank 1000 litres capacity as per IS 12701/ 1996 including loading, unloading, transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges as directed by departmetal officers.

Supply and fixing of 8 way SP DB with 32A DP Switch with metal clad of 500V with F & N (Side Handle) on suitable TW Board with earth connection only. SD 158

Supply and fixng of TNEB Moter Board suitable for 3 Phases 100A service connection made up of suitable angle iron frame work of size 2 feet x 1 1/2 feet using angle iron of size 1 1/2" x 1 1/2" x 1/4" rigidly fixed on wall covered with hylem sheet of size 2 feet x 1 1/2 feet of 12mm thickness with necessary bolts and nuts supports and supply and fixing of 3 Nos 100A fuse units (500V) 1 No. Neutral link, copper earth flat of size 1" x 1/4" with inter connection of EB meter to fuse units by 7/16 PVC insulated copper wire with earth connection complete SD 125

Service Pipe standard with an earth electrode of 2 Mtr. Class 'B' GI pipe of dia not less than 32mm complete with necessary masonry work SD 73

Supply and run of 2 of 1.5 sqmm (22/0.3) PVC insulated SC unsheathed Cu.Conductor of 1100V Grade in rigid pipe concealed in wall and ceiling with continuous earth wire connection of 14SWG TC wire and making good of the concealed portion with suitable colour SD 43

Supplying and erecting in position of following liters capacity Industrial Model Reverse Osmosis Water-cum-Purifier to deliver Potable Water with World Health Organisation (WHO) Standards with following accessories. (a) MS Skid - 1 No. (b) Media 11054 No. Vessel with 20 nb Multiport Valve (with Media Pubble and Fine Sand and Activated Carbon Filling) set (c) Feed Pump 0.50 HP – 1 No. (d) Vertical Pump 2-9, 2.00 HP / Single Phase – 1 No. (e) Membrane 40 x 40 filmtech (or) equilaents / Osmonic (USA) - 1 No. and Membrane Pressure Vessel 40 x 40 -1 No. & Pressure Gauge - 2 Nos. (f) Flow Meter - 1 No. 20” Filter with Housing - 1 No., Low Pressure Switch - 1 No., Level Switch - 1 No. & Necessary CPVC Pipes and Fittings. The system shall be provide with Two Panel Control System with necessary Stainless Valves and Fittings and Float Control etc. The rate should be inclusive of all civil works, wherever necessary to install the System in position and intact.