Construction of Overhead Tank (OHT) 5.00 LL capacity 22M Staging Height at Alwin Garden and Providing distribution Main Line Vasantham Nagar, Sasivarathan Nagar, Annai Anjugam Nagar, Venkateswara Nagar, Samathuvaperiyar Nagar at Ward No.55 in Zone -4

Installation of vertical bored cast in-situ Bored pile of 450mm diameter in all types of soil using Design Mix concrete of grade M30 with OPC cement, fine aggregate (M - Sand), 20mm and downgraded HBG Jelly coarse aggregate. The rate includes cOSt of boring to the required depth with Bentonite solution with Temporary casing of required length, conveyance of materials and pouring concrete including all tools and plants shifting the plants and equipments from mud pits for circulation of Bentonite solution, closing the one point to another. Excavation of mud pits to the original leve and mud removal with initial lead and lift but including dismantling the concrete above the cut off level t complete directed by the as Departmental officers. To carry a safe working load not less than than specified, excluding the cost of steel inforcement but including the Bentonite solution, machinary and labour charges etc., all complete. To cary a safe working ic ad not less than than specified, excluding the cost of steel inforcement but including the Bentonite solution, machinary and labour charges etc., all complete

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete Narrow foundation Upto 2.00m Depth

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete Open Earth Excavations

Supplying and filling in foundation and basement with Crushed Stone Sand (M- Sand) in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

Plain cement concrete 1:4:8 ( One cement, four sand and eight HBGS metal) using 40 mm size stone jelly for levelling course for foundation including cost of materials, labour for mixing of concrete placing in position, consolidation, finishing, curing etc. complete and as directed by TWAD Board Officers.

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG10 stiffened with MS angle of size 25 X 25 X 3 mm for boarding laid over I type MS Truss of size 25 X 25 X 3mm about 90cm c/c and supported by 40mm GI pipes (Medium ) spaced at 75cm c/c etc complete and as directed by the TWAD Board Officers. Plinth beam

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG10 stiffened with MS angle of size 25 X 25 X 3 mm for boarding laid over I type MS Truss of size 25 X 25 X 3mm about 90cm c/c and supported by 40mm GI pipes (Medium ) spaced at 75cm c/c etc complete and as directed by the TWAD Board Officers.

Plain surface 3.00 to 4.00m

Plain surface 7.30 to 8.30m

Plain surface 11.30 to 12.30m

Plain surface 15.30 to 16.30m

Plain surface 19.30 to 20.30m

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed - 10 m 2 (P & D)Data 38

Square coloumn upto 3.30

Square coloumn 3.30 to 4.30m

Square coloumn 4.30 to 5.30m

Square coloumn 5.30 to 6.30m

Square coloumn 6.30 to 7.30m

Square coloumn 7.30 to 8.30m

Square coloumn 8.30 to 9.30m

Square coloumn 9.30 to 10.30m

Square coloumn 10.30 to 11.30m

Square coloumn 11.30 to 12.30m

Square coloumn 12.30 to 13.30m

Square coloumn 13.30 to 14.30m

Square coloumn 14.30 to 15.30m

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG10 stiffened with MS angle of size 25 X 25 X 3 mm for boarding laid over I type MS Truss of size 25 X 25 X 3mm about 90cm c/c and supported by 40mm GI pipes (Medium ) spaced at 75cm c/c etc complete and as directed by the TWAD Board Officers.

Curved surface 16.30 to 17.30m

Curved surface 17.30 to 18.30m

Curved surface 18.30 to 19.30m

Curved surface 19.30 to 20.30m

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG10 stiffened with MS angle of size 25 X 25 X 3 mm for boarding laid over I type MS Truss of size 25 X 25 X 3mm about 90cm c/c and supported by 40mm GI pipes (Medium ) spaced at 75cm c/c etc complete and as directed by the TWAD Board Officers. For Circular surface such as circular RCC column etc

Circular coloumn upto 3.30

Circular coloumn 3.30 to 4.30m

Circular coloumn 4.30 to 5.30m

Circular coloumn 5.30 to 6.30m

Circular coloumn 6.30 to 7.30m

Circular coloumn 7.30 to 8.30m

Circular coloumn 8.30 to 9.30m

Circular coloumn 9.30 to 10.30m

Circular coloumn 10.30 to 11.30m

Circular coloumn 11.30 to 12.30m

Circular coloumn 12.30 to 13.30m

Circular coloumn 13.30 to 14.30m

Circular coloumn 14.30 to 15.30m

Providing and laying in position Standardised Concrete Mix M-30 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 400Kg/ cum and maximum water cement ratio of 0.45 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone sand (M- Sand) but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS standards.

For 1.5m Below G.L

for 4.5m above G.L

For 4.5m to 7.32m Above G.L

For 7.32m to 10.98m Above G.L

For 10.98m to 14.64m from G.L

For 14.64m to 18.30m from G.L

For 18.30m to 21.93m from G.L

Supply and fabrication of steel required for all RCC items of works involved in the schedule, cost of steel at site fabrication, labour charges for cleaning the rods straightening, c tting, bending, tying grills, including overlapping to the required length whenever ecessary and placing the . einforcement in position as as per design given and specified in the drawings, including cost of binding wire, provision of spacer bars, cover blocks and all other incidental charges etc complete as per standard specification

Painting two coats of newly plastered wall surface with ready mixed Cement paint of first quality and of approved colour over a priming coat including preparing the surface, clean removal of dirt and including necessary plaster of paris putty wherever required etc., complete complying with standard specification.

Supply and fixing in position of CI Manhole cover of size 0.60 x 0.60 m sizes of best approved quality and asper ss complete

Provding and fixing of RCC inside Access ladder suitable for SR with storage depth of 3.0m with Hand rails 2 nos. of size 0.15x0.15x4.56m with steps of size 0.15x0.05x0.45m at an intenrval of 0.3m c/c using M30 concrete and RTS reinforcement with main rod of 8mm 4 nos. for each Hand rails and 8mm stirrups at 0.15m c/c and with main rod of 8mm 2 nos. for each step with 8mm distributer at 0.10 m c/c including cost of all materials , moulding charges, all labour charges finishing curing etc.. complete and as directed by TWAD Board officiers.

Construction of RCC spiral staircase in RCC 1:1.5:3 (1 Cement : 1.5 Sand : 3 Coarse Aggregate) using 20 mm HBGS of 1.80 m diameter of required height for approach to the roof of Service Reservoir with RCC Handrails including earthwork excavation, providing CC 1:4:8 mix, RCC footing 1:1.5:3 mix, GL platform etc., and also including cost of steel reinforcement, fabrication charges, scaffolding, centering, precasting charges, cement, painting etc. complete as per standard specifications. The staircase shall be braced to the column of Service Reservoir at suitable interval etc.,

Supplying and fi ing of RCC M20 Grade Concrete Mix as per the standard specifications for RCC Handrails of 0.91 m height over the top of roof slab of approved pattern and design including he cost of reinforcement, centering, precasting, finishing, curing etc., complete as per standard specifications and as directed by Engineer-in-charge

Providing and fixing of M20 grade concrete mix as per standard specification for ventilator of approval pattern including cost of cement, reinforcement, centering shuttering, strutting etc complete as generally shown in plan and as directed

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.

Supply and delivery of CI D/F sluice valves with cap along with specials of the 150mm_dia in size confirming to IS 14846 / 2000 (PN1) including flanged tail piece and other specials as required, loading, unloading, transportation charges and stacking and jointing including cost of jointing materials etc, complete as per standard Specification

Supply and delivery of CI D/F sluice valves with cap along with specials of he 250mm dia in size confirming to IS 14846 / 2000 (PN1) including flanged tail piece and other specials as required, loading, unloading, transportation charges and stacking and jointing including cost of jointing materials etc, complete as per standard Specification.

Constructing masonry chamber of inside dimensions as mentioned below with Country Brick, brick work in CM 1:5 (1 cement : 5 coarse sand) for sluice valve, with CI Surface box 100mm top diameter, 160mm bottom diameter and 180mm deep (inside) with chained lid and top RCC Precast slab 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20mm nominal size) with necessary earth work excavation including refilling the sides of foundation, foundation concrete 1:5:10 (1 cement 5 coarse sand : 10 grade stone aggregate 40mm nominal size) and inside plastering with CM 1:5 (1 cement : 5 coarse sand) 12mm thick finished with a floating coat of neat cement, cor plete as per standard design and shown in the drawings. 1500x 900x1200mm clear inside 3 dimensions

Providing and fixing in position of PVC water bar 150mm |wide with single bulb for horizontal joints necessary holders fabrication, the rate inclusive of cost of water bar,holders fabrication and fixing in position etc complete as per standard specification and as directed by the Engineer.

Supplying, Laying, jointing of following DI specials of as per IS:9523-2000 with D. pipes etc., complete as directed by the Enginee", and Provision for pipe connection arrangements fo; inlet, outlet, scour and overflow etc, including cost of pipes, specials, valve, labour charges for lifting, aligning,fixing of DI pipes etc, complete.

Earthwork excavation and depositing on banks with as initial lead of 10m and initial lift of 2m in hard stiff clay, stiff black cotton soil, hard red earth, shales, murram, gravel, Stoney earth, earth mixed with small sized boulders and hard gravelly soil to a depth of 1.05m and 0.60m width as per SS 20B for pipeline etc., complete complying with standard specification.

90mm diameter HDPE

110mm diameter HDPE

140mm diameter HDPE

Supplying and conveying of following sizes of P100 PN6 HDPE pipes to site, confirming to specification as per IS:4984-2016 for standard length including cost of pipes, testing charges at factory, labour charges for loading,unloading and s_acking charges etc., complete complying with standard specification.

90mm diameter HDPE

110mm diameter HDPE

140mm diameter HDPE

Lowering of HDPE pipes and specials carefully into the trench and laying to proper grade and alignment including labour charges, incidental and operational charges etc complete as per standard specifications and as directed by the Departmental Engineer in charge.

90mm diameter HDPE

110mm diameter HDPE

140mm diameter HDPE

Jointing the HDPE pipes and speciats withby butt fusion 28 welding/ electro fuslon welding Jolnts using fuslon equlpment as per 150 21307 2011 and per IS 7634 (Part- 22012 neluding cost of hire charges for butt --fuslon equlpment power supply arrangement and cost of testing to the required pressure with water for fling (including cost of jolnting materials) etc., complete as per directed including specificatton,

90mm diameter HDPE

110mm diameter HDPE

140mm diameter HDPE

Supply and fixing of Specials for HDPE Pipes as per IS 8360/1977/Part I (Reaffirmed 1992, Part II and II (Reaffilrmed 2002) (including cost of jointing materials) etc complete as per standard specifications and as directed by the Departmental Engineer in charge,

90mm dia HDPE TEE

90mm dia HDPE Bend

110mm dia HDPE TEE

110mm dia HDPE Bend

140mm dia HDPE TEE

140mm dia HDPE Bend

Reflling the trenches with excavated soil other than sand in layers of 15cm thick well rammed and completed as instructed by the departmental officers with intial lead and lifts and cleaning and leveling the site etc.,complete

90mm diameter HDPE

110mm diameter HDPE

140mm diameter HDPE

Labour for cutting to open the Black topping surface roads For laying water distribution lines etc complete as per standard specifications and as directed by the Departmental Engineer.

Labour for cutting to open the Cement Concrete surface roads for laying water distribution lines etc complete as per standard specifications and as directed by the Departmental Engineer

Supply and delivery of CI D/F sluice valves with cap along with specials of the 100mm dia in size confirming to IS 14846 2000 (PN1) including flanged tail piece and other specials as required, loading, unloading, transportation charges and stacking and jointing including cost of jointing materials but excluding excise duty etc, complete as per standard Specification.

Constructing masonry chamber of inside dimensions as mentioned below with Country Brick, brick work in CM 1:5 (1 cement: 5 coarse sand) for sluice valve, with CI Surface box 100mm top diameter, 160mm bottom diameter and 18 )mm deep (inside) with chained lid and top RCC Precast slab 1:2:4 (1 cement: 2 coarse sand : 4 graded stone aggregate of 20mm nominal size) with necessary earth work excavation including reflling the sides of foundation, foundation concrete 1:5:10 (1 cement 5 coarse sand : 10 grade stone aggregate 40mm nominal size) and inside plastering with CM 1:5, 12mm thick finished with a floating coat of neat cement, complete as per standard design and shown in the drawings. 900x 750x1500mm clear inside dimensions.

Barricading work (Where, therelis less traffic areas and broader roads etc.) for laying of pipe: line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm dia reflectors includir g earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete

Testing of 90mm dia HDPE pipes with hydraulic testing equipment by filling with water (including cost of water C Rs. 60/KL) ana testing to recommended pressure in convenient stretches and occured during the test, excluding the cost of pipes but attending the bursts if any including other incidential and operational charge etc., complete.

Testing of 140mm dia HDPE pipes with hydraulic testing equipment by filling with water (including cost of water C Rs. 60/KL) ana testing to recommended pressure in convenient stretches and occured during the test, excluding the cost of pipes but attending the bursts if any including other incidential and operational charge etc., complete.

Earthwork excavation and depositing on banks with as[4:29 pm, 23/5/2025] Saravanan Balu: initial lead of 10m and initial lift of 2m in hard stiff clay, stiff black cotton soil, hard red earth, shales, murram, gravel, stoney earth, earth mixed with small sized boulders and hard gravelly soil to a depth of 1.05m and 0.75m width as per SS 20 B-for pipeline and all other incidental charges etc. cor nplete as per standard specifications and as directed by the Engineer. For 150mm dia DI Pipe.

Supplying and conveying of 150mm dia in size of DI K7 Class Socket and Spikot pipes to site confirming to specifications as per IS 8329:2000 for standard length including cost of pipe, testing charges at factory, labour charges for loading, unloading and stacking at site and all other incidental charges etc., complete as per standard specifications and as directed by the Engineer.

Lowering of 150mm dia DI pipes and specials in the trenches and laying to proper grade and alignment and as directed by the officers.

Jointing the 150mm dia DI pipes and specials with Socket & Spigot ends tyton rubber joints) including cost of jointing materials such as lubricants, rubber gaskets and testing to the required pressure including conveyance of water for flling during testing, labour charges and all other incidental charges etc., complete : as per standard specifications and as directed by the Engineer.

Jointing the 150mm dia C.1/ D.I-S/S pipes and specials with neat cement or cement mortar and spun yarn including aulking the joints, curing. (including cost of jointing materials) and testing to the required pressure including conveyance of water for filling during testing, lạbour charges and all other incidental charges etc., complete as per standard specifications and as directed by the Engineer.

Jointing 150mm dia C.I/ D.I double flanged pipes and specials with rubber insertion or any equivalent to the required specifications with M.S. bolts and nuts etc., complete including charges for special tools and plants such as air compressor and helmets and sheet piles. etc (including cost of jointing materials) and all other incidental charges etc. complete as per standard specifications and as directed by the Engineer.

Refilling the trenches for150mm dia DI Pipe with excavated soil other than sand in layers of 15cm thick well rammed and completed as instructed by the departmental officers with intial lead and lifts and cleaning and levelling the site etc., complete .

Manufacture, supply and delivery of 80mm dia Double Air Valve as per ISI 14845/2000 of flanged type with screw down valves combined as per G.K.catelogue Fig. No. H40 and tested to a rinimum test pressure of 120m of head of water including loading freight, unloading, insurance all taxes stacking at site but excluding excise duty etc., complete and as directed by the departmental officers.

Supply and delivery of Open well Submersible pump set conforming t IS 14220 /2002 and as amended thereafter and BEE 3 Star Rated capable of discharging the 800 LPM X 60m Head duties due to all causes. The pump shall be with stainless Ste mixed type impeller, CI FG 200 grade casing and brass shaft and dynamically balanced bronze screws and rotor shall be of copper rod as per IS 613/1984 with ISI mark. The pump S suitable for installation in sump with 1.1KV grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. The pump should be directly coupled to 2880 RPM, three phase, 50 Hz (+5),.415V+6% & 415V 15% squirrel cage induction motor suitable for DOL upto 5 HP, Fully Automatic Air break Star Delta up to 20 HP and Auto Transformer starter for above 20:HP starting and for continuous operation.

Labour charges for the erection of 25.0Hp submersible pump set in bore well/open dell including fixing and jointing submersible cable with proper clamps up to the starter to require d depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges up to the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventer, water level guard and laying and jointing the cables and twin earthing as per IE Irules etc., cornplete and testing the pump set and trail run |for 10 days.

Supply and delivery of direct online starter confirming to IS13947 IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(+ 5%) and 415 V(+10%): including Ammeter, Voltmeter, Thermal Overload relay,:16 Amps 2 pole Magnetic Contactor with under Voltage protection Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with sq. mm/1.5 sq, mm copper PVC insulated cable, powder coated vermin pl oof box including the capacitor (the cost of capacitor is to be taken separately).

Supply and delivery of 1.1 KV grade 3 core PVC insulated PVC sheathered, armoured Aluminum conductor cable of size 70 sq.mm with ISI marking conforming to IS 1554 of reputed make to be laid connecting Isolator and starter.

Laying the 1.1 KV grade 3 core PVC insulated PVC sheathered, armoured Aluminum conductor cable of size 70 sq.mm from Isolator to starter with proper _anchoring etc. complete with earthwok.

Laying the 1.1 KV grade 3 core PVC insulated PVC sheathered, armoured Aluminum conductor cable of size 70 sq.mm from Isolator to starter with proper anchoring étc. complete without earthwok.

Jointing the 1.1 V grade 3 core PVc Insulated PVC sheathered, armoured Aluminum conductor cable of size 70 sq.mm including cost of lugs, cables, glands etc.wherever necessary as per IE Rules.