Tamil Nadu Urban Habitat Development Board Tender

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Tamil Nadu Urban Habitat Development Board - TNUHDB Tender

Works
Eprocure
Opening Date29 Sep 2023
Closing Date14 Oct 2023
Tender Amount₹ 99,15,000 
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Costs

Summary

Construction Of 0.15 Mld Capacity Mini Sewage Treatment Plant

Description

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BOQ Items

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Supply, installation, testing and commissioning of Alfa/ equivalent make UV sterlizer treated sewage water. The filter shall be suitable for 10.00 Cu.m / hr flow rate and designed to operate for 20 hours etc., as directed by the departmental officers

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Supplying, installation, testing and commissioning of pipes & fitting treated sewage water. The airline header pipe will be only in MS. Duty : Connecting all tanks, pumps etc MOC : UPVC Inter unit pipe line : UPVC -Piping Sch 40 etc. as directed by the departmental officers.

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Supplying, installing, testing and commissioning of MBBR Media Consisting of the following: Type: Cyclindrical type Make: Proflex MOC: PP etc., as directed by the departmental officers.

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Supplying, installing, testing and commissioning of 1 Nos. monobloc type sludge transfer pump at 10 cu.m / hr flow rate. The pump shall be of "self primming type" The pump shall be coupled to adequate H.P. electrical motor and shall be mounted on a common base frame fabricated with S.S. "L" Angle (epoxy coated) of suitable section with necessary bolts, nuts and with manifold. The pump shall be suitable for pumping the digested sludge. The pump should conform to relevant IS code Specifications with ISI marking and with two year warranty from the date of commisioning and as directed by the departmental officers.( Make: Kirloskar Power: 1 HP Flow rate - 10.0 Cu.m / hr Head - 10 - 12 mtr. inclusive of Earthing for pumps ,1 no. pressure gauge comprising of: a) 4" dial with shatter proof glass b) Rim - S.S.304 c) Internal - Brass d) Body - S.S.316 e) Needle valve f) Tee fittings. 1 no. of ball valves of brass body nickel plated with stainless steel ball, lever operated and tested to 10 kg / sq.cm.on delivery side. 1 no. spring operated type gun metal non return valve tested to 10 kg/ sq.cm pressure including necessary fittings like union, Hex, nipples etc., on delivery side. 1 no. of ball valves of brass body nickel plated with stainless steel ball, lever operated and tested to 10 kg / sq.cm. on Suction side. GI manifold of suitable dia on delivery side and suction side finished neatly with hot dip galvanizing to 100 microns with flanged end on either sides and collar provision for connectivity of above mentioned valves)

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Supplying, installing, testing and commissioning of 2 nos. Monobloc type pumps (1W + 1SBY) for pumping primary treated water through sand pressure filter, activated carbon filter etc, and finally to treated water sump. The pump shall be coupled to the adequate H.P. electrical motor and shall be mounted on a common base frame fabricated with MS "L" Angle of suitable section with necessary bolts, nuts and with mani fold and the pump should conform to relevant IS code Specifications with ISI marking and with two year warranty from the date of commisioning and as directed by the departmental officers. (The pump shall be suitable for the following requirements: Flow rate - 10.00 Cu.m / hrHead - 35 mtr Make: KirloskarPower: 3 HP. This shall be inclusive of: Earthing for pumps complete.1 no. pressure gauge comprising of: a) 4" dial with shatter proof glass b) Rim - S.S.304 c) Internal - Brass d)Body - S.S.316 e)Needle valve f)Tee fittings. 2 nos. of ball valves of brass body nickel plated with stainless steel ball, lever operated and tested to 10 kg / sq.cm.on suction side, 2 nos. of ball valves of brass body nickel plated with stainless steel ball, lever operated and tested to 10 kg / sq.cm.on delivery side, 2 nos ball foot valves made out of cast iron body with flanged ends tested to 10 kg / sq.cm, external surface painted with enamel / epoxy paint, having CI suction strainer with neoperene / EPDM gaskets, Nitrile reinforced Ball with LT Bronze seat ring, SS / Carbon steel fasteners etc., complete on suction side, 2 nos. spring operated type gun metal non return valve tested to 10 kg/ sq.cm pressure including necessary fittings like union, Hex, nipples etc., on delivery side)

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Providing and laying in position READY MIX CONCRETE M25 grade using ordinary Portland cement with a minimum cement content by 370 kg / m³ with water cement ratio not exceeding 0.45 including the use of plasticizer of approved make and dosage of required grade, laying in position at all locations and levels using 20mm size and downgraded ISS HBG aggregates in all types of works including hire charges for pump and pumping charges to the required location, machine vibrating, pumping, curing providing fixtures like fan clamps etc., as specified charges for conveyance of RMC from plant to the site or all as required excluding cost of reinforcement and fabrication charges, centering and shuttering, mix design details to get approved before commencement of the work adopting pour card system by the departmental officers etc., complete as per IS 4926– 1976/1990. complete in all respects as directed by the departmental officers.

36.9

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Plastering the walls with cement mortar 1:5 (One of cement and five of P-sand) 12mm thick including scaffolding, finishing smooth, setting, curing etc., complete in all respects as directed by the departmental officers.

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Clarified Tank of dimension 2.5 m x 3.0 m x 3.0 m with the volume of the tank 22.50 cu.m an the flow of 10.00 cu.m.The side plate thickness of the sheet is 6mm and bottom plate thickness is 8mm.

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Brick work in cement mortar 1:6 (One of cement and six of M-sand) using Fly ash Bricks of size 230×110×70mm for super structure in the following floors including fixing the frames of doors and windows, scaffolding, proper setting curing etc, complete in all respects as directed by the departmental officers. IN GROUND FLOOR

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Plain Cement Concrete 1:4:8 (One of cement, four of M-sand and eight of hard broken stone) using 40mm size hard broken stone inclusive of shoring, structting, bailing out water, ramming, curing etc complete in all respects as directed by the departmental officers

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MBBR Tank of dimension 6.7 m x 3.0 m x 3.0 m with the volume of the tank 60.30 cu.m an the flow of 10.00 cu.m with the type of attached growth system. The side plate thickness of the sheet is 6mm and bottom plate thickness is 8mm.

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Supplying, installing, testing and commissioning of fine bubble diffuser with 90 mm Dia x 1000 mm tube diffuers of EPDM MoC pipe grid with necessary orifices HDPE pipe of 6.0 kg / sq.cm pressure rating with removable deflector to provide clog-free oxygen for collection tank etc., as directed by the departmental officers.

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Supplying and installation of modules for STP designed confirming to the norms of TNPCB. Modules use Moving Bed Bio Reaction (MBBR) principles and activated sludge. The treatment processes in the module are: Nitrification denitrification for nutrient removal aerobic biological secondary treatment (MBBR type) clarification in settler The plant will be Manual over ride, compact and skid mounted. The overall dimension of each module is so that it can be easily transported by road. The required equipment such as pumps, blowers, meters, control system etc. are mounted on the module and have easy access. Note: The module should not get rusted or damaged for a minimum period of 5 years from the date of installation. Any rust, damages and defects found within 5 years period, the contractor should rectify the defects immediatedely as directed by the departmental officials time to time. For supply and Erection of Packaged Sewage Treatment System (Aqua Bloom Box) with the treatment capacity of 200KLD MBBR System along with Treated Water Tank including Transpotation charges etc as directed by the departmental officers.(MoC: MS-EP 6 mm side & 8 mm bottom thickness)

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Providing ABS door/ equivalent of 35mm thick factory made plain pre-laminated ABS (Acrolynitrile Butadiene Styrene) Door Shutter moulded in different designs, consisting of all round frame made out of water proof solid foam PVC bar of size 20 x 32mm, reinforced by 32 x 32mm - 2 Nos., for vertical made out of LVL (Laminated Veneer Lumber), core material of 32mm thick high density craft paper honey comb board, sandwiched on both sides with pre-laminated ABS sheet thickness of 1.5mm. PVC edge banding of size 0.45mm on the vertical sides. Hardware made out of steel coated butterfly hinges - 3 Nos., for each shutter and ISI make SS round lock complete for finished item of work, complete complying with the standard specification. The door shutter and frame should be got approved from the Executive Engineer before use on work etc as directed by the departmental officers.

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Supplying, installing, testing and commissioning of 1 No Monobloc type pump (1W) for pumping treated water to outlet. The pump shall be coupled to the adequate H.P. electrical motor and shall be mounted on a common base frame and the pump should conform to relevant IS code Specifications with ISI marking and with two year warranty from the date of commisioning and as directed by the departmental officers. (The pump shall be suitable for the following requirements: Flow rate - 20 Cu.m / hr Head - 38 mtr Make: Kirloskar Power: 5 HP)

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Providing 20 KVA, 415V, 3 Phase, 50 Hz @ 1500 RPM Diesel Generator used for producing Electricity, Electric Start, Water Cooled Alternator mounted on a common base frame along with Fuel Tank, Starting Batteries with Leads, general accessories etc., as a complete set positioned in a self standing weather proof KG-CPCB Norms-2 typed Acoustic Canopy KG1600WS with necessary fresh air inlet and hot air outlet louver arrangements as per the specification as directed by the departmental officers.

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Earth work excavation for foundation with all intial leads and lifts in SDR all soils and sub soils and to the required depth as may be directed except hard rock requiring blasting inclusive of shoring, strutting and bailing out water wherever necessary refilling the sides of foundation with excavated earth in layers of not exceeding 15cm thick well consolidated depositing the surplus earth in places shown and levelling the site with all leads and lifts etc., complete in all respects.

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Providing form work for centering, shuttering etc., for all reinforced concrete work such as plinth beam, raft beam, raft slab, grade beam etc., including strutting and shuttering wherever required using MS sheets of suitable size of BG 10, stiffened with MS angle of size 25mm x 25mm x 3mm laid over silver oak (Country wood) joists of size 10cm x 6.5 cm (Spaced about 91cm center to center) distance and supported by casurina props of size 10cm-13cm dia (spaced at 75 cm center to center) and removing the same after a specified period without damaging RCC works in all floors etc., complete in all respects as directed by the departmental officers. For Grade Beam, Plinth beams,Column Footings etc..,

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White washing two coats using clean shell lime including the cost of lime gum brush etc.,complete in all respects as directed by the departmental officers

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Earth work excavation for foundation with all intial leads and lifts in all sub soil,clay etc., to the required depth as may be directed except hard rock requiring blasting inclusive of shoring, strutting and bailing out water wherever necessary refilling the sides of foundation with excavated earth in layers of not exceeding 15cm thick well consolidated depositing the surplus earth in places shown and levelling the site with all leads and lifts etc., complete in all respects.

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Supplying, installing, testing and commissioning of SS bar screen consisting of 1no. of fine screen and 1no. of coarse screen, so as to remove the large sized solid particles present in the sewage water associated with a set of guide angles in SS flat of 3.0 mm thick and 10 mm wide kept inclined at 45 degree to 60 degree to the horizontal at 12 mm c/c with one no. handrack in SS Bar rack fabricated from SS bars shall be provided to cover the width of the screen chamber with a racking arm for manual operation as per IS specication of SS Grade 304 (IS 6911:1992) as directed by the departmental officers.

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With intial lead of 10 m and Intial lift of 2 m

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Added GST of 18% (All Items)

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Supply, installation testing and commissioning of sand pressure filter for filtration of suspended impurities in treated sewage water. The filter shall be suitable for 10.00 Cu.m / hr flow rate and designed to remove suspended particals / impurity in treated sewage water as directed by the departmental officers. The SPF shall be designed for a specific velocity of 8 m3 / hr / sq.m area and the approx dia shall not be less than 1.0m dia. The Sand Pressure Filter unit shall comply with the following technical requirements: Flow rate - 10.00 Cu.m / hr Back wash duration - 15 minutes Painting Internal - Two coats of zinc chromate primer followed by two coats of anti-corrosive epoxy paint after sand blasting. Painting external - Two coats of zinc chromate primer followed by two coats of enamel paint of approved colour. Filtering Media - Sand / Graded Pebbles/Silex Pressure drop across unit. - 1.0Kg/ sq.cm (max) Inlet turbidity - 1.00 as NTU Minimum operating pressure - 3.0kg / sq.cm. Maximum Test pressure - 7.0kg / sq.cm. Dia of sand pressure filter unit -1.0m dia Height of Shell - 1.8 m Further, the sand pressure filter unit shall comprise of the following: The sand pressure filter vessel shall be fabricated out of MS plate of 6.0mm shell thickness & 6.0 mm with dish thickness and painted internally with two coats of zinc chromate primer and two coats of anti corrosive 'EPOXY' paint after sand blasting and externally with two coats zinc chromate primer followed by two coats of enamel paint of approved colour. The Sand Pressure filter shall be fitted with top inlet distribution and bottom collecting system. Pressure gauge comprising of 4" dial with shatter proof glass, Rim - S.S.304, Internal - Brass, Body - S.S.316, Needle valve, Tee fittings shall be provided at inlet and outlet of Sand Pressure filter. "V-Notch" of suitable size fabricated out of 6 mm MS plate and finished with hot dip galvanizing to 100 microns inlcuding marking of flowrates indication for monitoring of backwash of Sand pressure filter. Initial charge of sand and multigrade filtering media as required. Complete set of pressure gauge with needle valve and frontal piping with Five valve system at inlet, outlet backwash and drain out point etc., with MS pipes etc., as directed by the departmental officers.

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Treated Water Tank of dimension 2.5 m x 2.5 m x 3.0 m with the volume of the tank 18.75 cu.m an the flow of 10.00 cu.m.The side plate thickness of the sheet is 6mm and bottom plate thickness is 8mm.

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Supplying, installing, testing and commissioning of 2 Nos. (one working + one standby) non clog Submersible raw sewage water pumps to pump sewage from equilisation sump to aeration tank at 10.0 cu.m / hr flow rate . The pump shall be suitable for solid handling capacity of 32 mm. Bleed - off arrangement shall be provided for the pumps . The pump should conform to relevant IS code Specifications with ISI marking and with two year warranty from the date of commisioning and as directed by the departmental officers. (The pump shall be suitable for the following requirements : Flow rate - 10.0-0 cu.m / hr Head - 10 mtr The rate quoted shall be inclusive of: Earthing for pumps to be included in the quotation.1 no. pressure gauge comprising of: a) 4" dial with shatter proof glass b) Rim - S.S.304 c) Internal - Brass d)Body - S.S.316 e)Needle valve f)Tee fittings. 2 nos. of ball valves of brass body nickel plated with stainless steel ball, lever operated and tested to 10 kg / sq.cm.on delivery side. 2 nos. of ball valves of brass body nickel plated with stainless steel ball, lever operated and tested to 10 kg / sq.cm.on suction side. 2 nos. spring operated type gun metal non return valve tested to 10 kg/ sq.cm pressure including necessary fittings like union, Hex, nipples etc., on delivery side. Manifold fabricated out of GI 'C' class pipe of suitable dia on delivery side and suction side with flanged end on either sides and collar provision for connectivity of above mentioned valves.1 no. ball valve of brass body nickel plated with stainless steel ball, lever operated and tested to 10 kg / sq.cm. pressure including necessary fittings like union, Hex, nipples etc., "BLEED OFF" Line. Make: Kirloskar Power: 2 HP)

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Providing Ellis Pattern flooring 20mm thick (Ellis pattern) with layer of cement concrete 1:3 (one of cement and three of hard broken stone) (No sand) using hard blue granite chips of size 3mm to 10mm and surface rendered smooth over RCC slab including supplying and fixing 20mm dia GI pipe outlet etc., complete in all respects as directed by the departmental officers.

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Supplying, installing, testing and commissioning of coarse bubble diffuser with 80 mm disc diffuers of PVC MoC pipe grid with necessary orifices HDPE pipe of 6.0 kg / sq.cm pressure rating with removable deflector to provide clog-free oxygen for collection tank etc., as directed by the departmental officers.

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With Initial lead of 10M-initial lift of 2M

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Providing form work for centering, shuttering etc., for all reinforced concrete work like lintels, window boxing etc., including shuttering, upto 3.00m high using MS sheet of size 90cm x 60cm and BG 10, stiffened with MS angle of size 25mm x 25mm x 3mm laid over silver oak (Country wood) joist of size 10 cm x 6.5 cm (spaced about 91cm centre to centre) distance and supported by casurina props of size 10cm to 13cm dia (spaced at 75cm centre to centre) and removing the same after a specified period without damaging RCC works in all floors etc complete in all respects as directed by the departmental officers. (Sunshade/Window/Boxing / column) For Sunshades,columns window boxing etc.,

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Special ceiling plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three P-sand) 10mm thick including hacking the surfaces, providing cement mortar nosing, beading for sunshades, staircases, steps, landing slabs and curing, etc., in all floors complying with standard specification and as directed by the departmental officers

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Painting newly plastered wall surface with 2 coats of ready mixed exterior emulsion paint of approved quality have GLIMPSE of SPRING shade over a coat of priming of approved emulsion primer such as Asian (or) its equivalent brand including cost of all materials, putty wherever required, brusheds and other alied T &P required for the work and using of existing scaffolding etc., complete as directed by the departmental officers.

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Clarifier Tank of dimension 3.5 m x 3.0 m x 3.0 m with the volume of the tank 31.50 cu.m an the flow of 10.00 cu.m. The side plate thickness of the sheet is 6mm and bottom plate thickness is 8mm.

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Painting the STP module with two coats of polyurathane paint as directed by the departmental officers.

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Fabricating and placing the following kinds of steel grills Fe 500 D grade steel reinforcement bars as per IS 1786-1985 for all reinforced cement concrete works such as plinth beam, lintels, beams, sunshade, roof and floor slabs etc., including cost of steel and fabricating the reinforcement grills in position etc., complete in all floors (The rate to include the cost of binding wire steel also)

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Supplying, installing, testing and commissioning of 2 Nos. (One working + one standby) twin lobe air blower for the tanks complete with suitable section with necessary bolts, nuts and with manifold. The twin lobe air blowers shall be suitable for the following: Blower make: A1 / EquFlow rate - 250 Cu.m / hr Flow Pressure - 0.40 kg / sq. cm 1 no. pressure gauge comprising of: a) 4" dial with shatter proof glass b) Rim - S.S.304 c)Internal - Brass d) Body - S.S.316 e) Needle valve f) Tee fittings. Motor type: Foot mounted Motor power: 10 HP Motor Make: Kirloskar / Crompton Greaves With suitable acoustic Enclosure etc., as directed by the departmental officers.

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Providing form work for centering, shuttering etc., for all reinforced concrete work like slab, beams, lintels, loft etc., including shuttering, upto 3.00m high using MS sheet of size 90cm x 60cm and BG 10, stiffened with MS angle of size 25mm x 25mm x 3mm laid over silver oak (Country wood) joists of size 10cm x 6.5 cm (Spaced about 91cm center to center) distance and supported by casurina props of size 10cm-13cm dia (spaced at 75 cm center to center) and removing the same after a specified period without damaging RCC works in all floors etc., complete in all respects as directed by the departmental officers. (Slabs, Lintels & Lofts) For slabs, linets, beams etc.,

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