Renovation and Upgradation of existing Swimming and Warmup pool at Arignar Anna Swimming Pool at Chepauk Chennai

Amount

Dismantling , removing and carefully stacking Brick/stone masonry in lime mortar walls under 3m high etc., complete complying with standard specification and as directed by the departmental officers at site of work.

Earth work excavation for foundation in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification.

Earth work open excavation in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the excavated earth with a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification.

Refilling with excavated earth other than sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15 cm thick well rammed, watered and consolidated etc. complete complying with standard specification

Supplying and filling in foundation, basement, etc with filling sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One Cement, Five sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton. (Payment for centering shall be given after the concrete is laid)

For plane surfaces such as RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc.

For plane surfaces such as rectangular or square RCC columns, sunshades, top and bottom slab of RCC boxing, etc.

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 content of 400 kg/mᶾ and maximum water cement ratio of 0.45, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m.) 7670 kg. of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also 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, 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 requirements of IS Standards. (No separate payment will be made by the Department for the excess usage of materials).

Foundation and Basement

Grounnd Floor

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Brick work in following Cement Mortar using best quality of Second Class Table Moulded Chamber Burnt Bricks 9" x 4-3/8" x 2-3/4" for foundation and basement including curing, etc., complete complying with standard specifiction.

For foundation & basement

For Ground floor

Plastering with Cement Mortar 1:5 (One cement and Five sand), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

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 such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Renewing and fixing Mild Steel Grills for windows and ventilators etc., including the cost of mild steel angles, plates, rods, cost of welding charges and one coat of priming coat etc., complete.(The design should be got approved by the departmental officers.)

Renewing and refixing the damaged Aluminium sliding window frame with shutter with newone of anodized Aluminium sliding window two track channel section of size 61.85 x 31.75 x 1.30mm for bottom side and top with sliding arrangements to drain the water entering and the window shutter made out of section of size 40 x 18 x 1.29mm and the panels fitted with 4mm thick plain glass with necessary accessories such as rubber beedings, best quality runner, lock, wheel, handle etc and shutter frame fixed with glass 4mm thick including cost of materials, labour for fabrication, power consumption required, drilling holes in masonry with power drill and good to the dismantled portion to original condition after fixing the window etc complete complying with standard specification and as directed by the departmental officers at site of work.

Providing granolithic floor finish of the following thickness with plain cement concrete 1:2:4 (One Cement, Two sand and Four aggregate) using 10 to 12mm gauge hard broken stone jelly including laying, finishing and the top rubbed smooth with power trawl, thread lining, curing etc. complete complying with standard specification and as directed by the departmental officers. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers)

25mm thick

40mm thick

Finishing the top of roof with one course of machine pressed tiles of size 230mm x 230mm x 20mm of approved quality set in Cement Mortar 1:3 (One Cement and Three Sand) 12mm thick mixed with water proofing compound conforming to ISS at 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 complying with standard specification and as directed by the departmental officers

Dismantling the existing swimming pool filtration unit including filter vessels, pumps, pipeline, valves, and electrical/mechanical fittings. The work shall include Cutting of pipelines, headers, and supports using gas cutting/grinding where required Welding or detachment of MS supports and brackets,Removal of filter media, if applicable Shifting of dismantled materials to the designated location within site premises.The rates Includes labour charges Etc, Complete.

Dismantling the damaged floor finish and dadooing walls in cement mortar with mosaic tiles / Glazed tiles/cuddapah slab and clearing away with carefully stacking the material useful for reuse for any thickness etc., complete complying with standard specification and as directed by the Departmental officers. Including labour and transport.

Dismantling , removing and carefully stacking Plain cement concrete etc., complete complying with standard specification and as directed by the departmental officers at site of work.

Dismantling , removing and carefully stacking RCC etc., complete complying with standard specification and as directed by the departmental officers at site of work.

Dismantling and removal of existing FRP gratings from swimming pool area including associated masonry and plastering works, surface cleaning and disposal of debris as per standardbspecifications and directions of Engineer-in-Charge

Dismantling ,removing of existing pipe line stacking away from the campus.

Cement Concrete 1:1-1/2:3 (One Cement, One and a half sand and Three hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all RCC items of works 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 and bearing surfaces of walls, beams etc. shall be finished smooth with Cement Mortar 1:3 (One Cement and Three Sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers

Supplying and fixing in position best quality PVC water pipes of various dia having 10 kg / sq.cm. pressure BIS mark and providing leak proof joints using PVC adhesives) but excluding cost of such specials and fixing in position dismantling masonry and make the same to original condition etc complete complying with standard specification and as directed by the departmental officers at site of work.

200mm dia PVC pipe

160mm dia PVC pipe

Supplying and fixing in position PVC specials, C.I nonterurn valves, butterfly valves, foot valves of the following dia and types of approved quality confirming to BIS and providing leak proof joints including fixing to the walls and giving connection to the PVC soil stacks, dismantling the masonry or RCC works and re-doing the dismantled portion to original condition etc., complete complying with standard specifications. (The PVC specials should be got approved by the Executive Engineer before use on works).

PVC Specials -Elbow 200mm

PVC Specials -Tee 200mm

PVC Specials -Coupler 200mm

200mm dia Butterfly Valves and its boltnut,washer,etc

200mm dia Non Return Valves and its boltnut,washer,etc

200mm dia Foot Valves and its boltnut,washer,etc

Paving the floor with pre-polished concrete anti-skid step tiles (Required shape and design) of 20mm thick of approved quality and colour laid in Cement Mortar 1:3 (One Cement and Three sand) 20mm thick and pointed with white cement mixed with colouring pigment at the rate of 0.40 Kg. / sq.m., curing, etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Plastering with Cement Mortar 1:3 (One Cement and Three Sand) 12mm thick mixed with water proofing compound conforming to BIS at 2% by weight of cement used including finsihing, curing, etc., complete in all floors complying with standard specification and as directed by the departmental officers.

Flooring with following Designed ceramic tiles of size 305 x 305 x 6 mm laid over 20 mm thick cement mortar 1:3 (One Cement and Three Sand) base mortar over the existing slab / floor including cutting the tiles to the required size with special cutter wherever necessary, laying in position and pointing with white cement mixed with colouring pigment at the rate of 0.3 Kg. / sq.m. etc., complete complying with standard specification. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Paving the floor with best approved quality fine Unpolished Granite Stone Slabs in 18 / 20mm thick of Synthetic Grey, Paradise and similar varieties with machine cut edges laid over a cement mortar bed of 20mm thick using cement mortar 1:3 (One cement and three sand) fixing the slabs with required cement slurry and laid in true right angles with minimum possible width of joints and pointing the joints with white cement mixed with mathcing colouring pigments etc., The granite stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work, etc., complete as per standard speicification.

Supply Installation TOTALLY ANTI-CORROSIVE Polyester +Fibre Glass filter 2000mm diameter. Green/Blue colour.Fitted with pressure gauge panel (there should be two gauges mounted on the front of the filter, measuring the pressure differential between filter inlet and the filter outlet. This instrumentation can be used by the operator to determine the condition of the filter media and whether a backwash is required.), manualairbleeder (at the top of the filter an air release valve should be fitted to avoid a build-up of air in the vessel. Ideally, the air release valve should be automatic, to release when the air reaches a predetermined pressure. There should also be a manual air release valve, to give the operator the opportunity to purge any air from the vessel immediately after a backwash), water drain and emptying plug, Fitted with collector arms and diffuser made from unplasticized PVC and polypropelene. Filtration velocity 40m³/hr/m². Maximum working pr. : 2.5 kg/cm². Flow rate for Racing Pool = 500m³/hr. Flow rate for Warmup Pool = 375m³/hr.

For Warmup pool Flow Rate = 375m³/hr, (Make : Aqua - Italy/ or Equivalent).

For Racing pool Flow Rate = 500m³/hr, (Make : Aqua - Italy/ or Equivalent).

Supplying and fixing in position BATTERY VALVE WITH SUPPORT Valves battery is delivered completely equipped, withfour or five valves, (depending on filter), and its manometer panel with its corresponding connections. Filters connections may be flange polyester outlets of Ø200 up to Ø250 or with PVC outlets of Ø63 up Ø160.placing the battery avoiding forcing theflanges.Checking outlets have not been damaged and that they are completely clean and empty.

Supply & Filling Of New Media the most common types of filter media are sand. The sand specification is commonly 16/30 dried silica sand, The media in a filter is typically multi-layered, with a larger diameter (typically 6-10mm) support material at the bottom and the finer grade material above. On single-grade media beds, the finer grade media bed depth ranges between 1 and 1.2m and the support layer is 15-20% of the bed depth. On multi-grade beds, the media is typically graded in 5 or 6 layers between 10mm gravel and finer sand.

Supply Insatallation Of New Pump 10 Hp, Voltage 230/400V. 3phase. Flow rate for Racing Pool = 500m³/hr. Flow rate for Warmup Pool = 375m³/hr.(5 working ) (Make : Aqua - Italy or Equivalent) , Thermal Overload Protection Built in Thermal Overload Protection for Motor,Pre filter basket (Built in pre filter basket for easy cleaning of swimming pool water and to separate hair and lint).Large wrench on lid for easy removal for cleaning and positive sealing,Quiet Operation,Self Priming (No Need to Prime). Can start delivering instantaneously. Lightweight and Compact design Constructed with special grade engineering materials such as Glass Filled Polypropylene for strength,compact designs for ease of handling and installation.Mechanical Seal True Carbon face seal for reliability and trouble free operation. Easy to replace and maintain.Dynamically balanced rotating parts.All rotating parts are dynamically balanced which ensures minimum vibrations, and protect components from damages during the pumps operations, resulting trouble free operations with higher outputs etc. complete and as diected by the departmental offficer at site of work.

Supply,Installation,Testing & Commissioning Works tests shall following the procedure normally associated with the specified item of equipment and to the standards as laid down in the Specification and the Conditions,Works static pressure tests will be carried out on such items of plantand equipment as pressure vessels, water coils, heat exchangers,filter bed tanks, and all items of plant or equipment if the provisionhas been made in the specification,Dynamic rotation tests will be carried out on such items as fanimpellers and drives, pump impellers and drives. Tests shall beconducted through the entire rotational speed range up to amaximum of 50% design operating speed, Rotational test on electric motors will not be carried out if theequipment is constructed to the requisite current British Standard orany other approved standards.The equipment and the complete system to ascertain that the equipment and thesystem are operating in accordance with the design objectives. It includes the balance of water distribution,adjustment of total system to provide design quantities,electrical measurement,verification of performance of all equipment and automatic controls,sound and vibration measurement.After the commissioning , water is to test including Labour, material and Transport etc. complete and as diected by the departmental offficer at site of work.

Supplying and installing stainless steel pool ladder suitable for a 50m x 25m Olympic-size racing swimming pool.The ladder to be fabricated from 50 mm outer diameter, 16 SWG, SS 304 grade pipe, etc, complete with anti-slip treads, rubber bumpers, and anchoring sockets.Each ladder shall be factory-finished, corrosion-resistant, and designed for heavy-duty commercial use.All fixtures, fasteners, and mounting accessories in SS 304 grade to be included.Installation to be done at designated pool locations with secure anchorage into the deck.The rates inclues labour, transportation, loading and Unloading materials etc,Complete.

Supplying and installing acrylic blue racing-type starting blocks for an Olympic-size 50m x 25m swimming pool. Each block shall be of size 520 mm x 520 mm x 200 mm and constructed using durable, UV-resistant, anti-slip acrylic material suitable for outdoor use.The blocks to be installed at designated competition lanes as per standard lane configuration to typically 10 blocks for 10 lanes.Each block shall be anchored securely to the pool deck using stainless steel bolts and chemical fasteners. The rates inclues labour, transportation, loading and Unloading materials etc,Complete.

Supply and installation of UV-resistant ABS swimming pool gratings of 300mm with all necessary accessories including corner joints, clips, and fixing supports along the both side pool, complete in all respects as per standard specification and direction of Engineer-in-Charge.

Supply and installation of ABS swimming pool inlet nozzle / vacuum suction fitting of diameter 52 mm, push-fit type etc,complete.The rates includes fixing, sealing, and connection to pool plumbing lineetc, as per standard specifications and direction of Executive Engineer-in-Charge

Collecting the scattered debries from the campus and conveying away the same to ouside by lorry to a lead of 3km (Entirely within city limit including loading and unloading charges and dumping in low places and levelling neatly etc., complete complying with standard specification and as directed by the departmental officers.

A. GOVINDARAJ (BID ID -1446336)

M MOHAN (BID ID -1447510)