Execution, testing and commissioning of all system component of Barpeta Town Water Supply scheme

Amount

Source Development by providing M.S. Floating Barge having deck size of 9.0 m x 6.0 m., with all necessary mooring materials & lifesaving equipment; tying arrangement; over head gantry Crane, lighting arrangement with proper earthling system, proper approach arrangement from the river bank etc. (Frame work consist of IS Channels / Angles and the Hull / deck fabricated out of IS225 grade 6 mm thick MS plate, in conformity with relevant BIS Code of Practices with latest amendments & current at the time of execution and following the norms etc. as prescribed by the IWT Dept., Assam / Competent Authority, including internal electrification work (with concealed copper wiring of required C/S. area) with all necessary electrical fittings & fixures viz., light / fan / power socket etc., at intake barge / compound illumination at intake station etc., all complete, as directed and specified.

Providing river bank Protection Work at Intake Point with pre cast cement concrete block pitching over filter material including necessary earth work for an approximate length of 60 m. in river bank, all complete, as directed and specified.

Making Assam Type Utility cum Operator's Room (to be served as store room / control room / rest room / chowkider shed having toilet facility) at River bank of Intake Point (Plinth Area 30.0 Sqm.; plinth height minimum 600 mm from finished G.L.& finished floor height - 3.6 m.,), having steel casement window / ventilator, MS Rolling Shutter, C.C. flooring with metallic concrete hardener / Anti skid tile flooring & white glazed ceramic tile in toilet, internal water supply & sanitary installation work (Toilet door shall be of solid moulded PVC frame & 25 mm. thick PVC shutter), internal electrification (with concealed copper wiring of required cross sectional area) with all necessary electrical fittings & fixtures viz., light / fan / power socket etc., necessary plinth protection work, white ant treatment etc. all complete, as directed and specified.

Drawl of Power Line from nearby APDCL Grid to Intake location including setting up of required capacity Sub-Station (along with provision for A.V.R., if required) including obtaining necessary approval & load sanction from APDCL and payment of supervision & other charges to APDCL, if any, all complete, as directed and specified. (Approximate power requirement at Intake Station : 100.0 KVA)

Providing Raw Water Pumping machinery in the Intake barge at River Nakhanda including all necessary electrical and other installation works : 3 nos. (2 working + 1 standby) horizontal split casing type electrically operated centrifugal pump set (as per relevant BIS specification) with matching drive motor (as per relevant BIS specification) with variable frequency drive where required, all of reputed make and conforming to BIS specification & other regulatory norms, giving a discharge of 37.30 lps). against a total maximum head of 60.0 m. including providing all necessary suction & delivery piping arrangements with control valves & specials viz. foot valve, sluice valve, non return valve etc., electrical switch gear along with required capacity Capacitor bank panel and connection cable of required sizes,, arrangement for priming pump with standby provision & priming water tank with suitable staging & required GI piping, anti vibratory mountings for the pump set, etc. and including payment of all taxes and duties as applicable, furnishing manufacturer's test certificate & characteristic performance curve of the pump set, all complete as directed and specified.

Providing 500 mm dia. x 3.0 m. long manifold type M.S. fabricated common header with 3 nos. 150 mm dia., 400 mm long flanged inlets and one 300 mm dia. 500 mm long flanged outlet (barrel fabricated out of 10 mm Tk. plate and Flanges fabricated out of 20 mm Tk. plate) at river bank, for connecting delivery ends of all the (three) Raw Water Pump set mounted on the floating barge through flexible rubber hoses pipesm to one 200 mm dia raw water riser main, including supplying of required Nos. of flexible hoses, connecting and hooking up of the same with the raw water pumps with 150 mm dia. flexible rubber hoses of appropriate pressure, including all necessary appurtenances and including RCC pedestals for supporting the common header, all complete, as directed and specified.

Supplying, laying, jointing, testing and commissioning of 300 mm dia DI S.S. Class - K9 (as per all relevant BIS specification) raw water pumping main of approximate length 3600.00m including all necessary earthwork, valves & specials, valve chamber, supporting structures, anchor / thrust block etc., restoration of road hard crust / side bam (repairing charges payable to PWD / local bodies, if any), cost of railway track crossing (including supervision and other charges payable to railway authority, if any), including obtaining permission for laying of pipe line along / across any Govt. / Semi Govt./ Private property etc., all complete, as directed and specified.

Construction of Complete Water Treatment Plant of capacity 4.30 MLD (in 16 hours of operation) with suitable design in conformity with the CPHEEO Manual and all relevant BIS Code of practices with latest amendment, current at the time of design & execution, having provision for Aeration, Coagulation, Rapid Mixing, Clariflocculator & Filtration followed by disinfection, including all necessary Mechanical and Electrical Installation Work suitable for automated operation of the plant, Provision for Back Washing, Chemical house with Laboratory Facility including laboratory equipment, sludge disposal system, recycling of back wash water, all internal connection & by-pass piping system including provision for one Water Works Office and Storage accommodation, all internal and external electrification work for compound lighting etc., Main incoming electrical control panels for connecting & hooking up of the electrical switch gears of various drive motors of the Treatment Plant units, clear water pumps etc., and including Internal electrification work (with concealed copper wiring of required cross sectional area) with all necessary electrical fittings & fixtures viz., light / fan / power socket etc., at intake barge / compound illumination at intake station etc., all complete, as directed and specified.

Construction of 3, 00,000.0 ltrs. Capacity RCC Under Ground Treated Water Sump and RCC clear water pump room above the Sump having all appurtenances & provision in the Sump for all inlet, outlet & overflow arrangement; calibrated water level indicator; Air Vent Pipe; Men Hole with Cover; CI Lugs inside the sump etc., and complete finishing of the pump room having steel casement window / ventilator, MS Rolling Shutter, C.C. flooring with metallic concrete hardener / C.C. flooring with metallic concrete hardener, internal electrification (with concealed copper wiring of required C/S. area) with all necessary electrical fittings & fixtures viz., light / fan / power socket etc., all complete, as directed and specified.

Assam Type Staff Accommodation at Treatment Plant site having 2 (two) No. dwelling unit for Operator / Chowkider having total plinth area of 80.0 Sq.m. with 600 mm. high plinth & 3300 mm. finished floor height comprising of 1 bed room with attached toilet, 1 living room, 1 kitchen & 1 entry veranda having aluminium casement window/ ventilator, 1st. class local hard Wood door frame, 1st. class local hard Wood panelled shutter (Toilet door shall be of solid moulded PVC frame & 25 mm. thick PVC shutter), internal wall finished with plastic paint & exterior surfaces finished with weather coat cement paint and powder coated pre laminated corrugated Galvanised sheet roofing), A.C. sheet ceiling with wooden frame etc. including all necessary internal water supply & sanitary installation work , internal electrification (with concealed copper wiring of required C/S. area) with all necessary electrical fittings & fixtures viz., light / fan / power socket etc., necessary plinth protection work, white ant treatment etc., all complete, as directed and specified.

Site Development & 1.8 m. high (above GL) brick Security Wall with RCC framed structure at treatment plant site with MS gate having locking arrangement, wall finished with weather coat cement paint & gate finished with non glossy synthetic enamel paint over a coat of red lead primer), all complete, as directed and specified. (approximate size of the plot of land for treatment plant : 2700 Sq.m., requiring 500 mm average depth of earth filling)

Providing electrical power connection to treatment Plant site including drawl of electrical power line from the nearby APDCL Grid, setting up of required capacity Sub-Station, providing electrical control panel & metering unit etc. and including obtaining necessary approval & load sanction from APDCL and payment of supervision & other charges to APDCL, if any, all complete, as specified & directed. (Approximate power requirement at Treatment Plant : 150.0 KVA)

Dismantling of the existing structures at treatment plant site. including disposal of debries arising out of dismantling and stacking out of serviceable materials (viz. reinforcing steel etc.) obtained room dismantling, if any, all complete, as directed and specified.

Providing Treated Water Pumping machinery in the at the clear water pump room at treatment plant including all necessary electrical and other installation works : 2 nos. (1 working + 1 standby ) horizontal split casing type electrically operated centrifugal pump set (as per relevant BIS specification) with matching drive motor (as per relevant BIS specification) with variable frequency drive where required, all of reputed make and conforming to BIS specification & other regulatory norms, giving a discharge of 74.60 lps against a total maximum head of 35.0 m. including providing all necessary suction & delivery piping arrangements with control valves & specials viz. foot valve, sluice valve, non return valve etc., electrical switch gear along with required capacity Capacitor bank panel and connection cable of required sizes, arrangement for priming pump with standby provision & priming water tank with suitable staging & required GI piping etc., anti vibratory mountings for the pump set, and including payment of all taxes and duties as applicable, furnishing manufacturer's test certificate & characteristic performance curve of the pump set, all complete as directed and specified.

Supply, fabrication, installation, testing and commissioning of manifold type 8mm thickness M.S. fabricated common header pipe at treatment plant near clear water pump house including all necessary supporting structures, clamping devices, jointing materials etc. and including hooking up of the system with clear water riser main as well as with all the clear water pumps, all complete, as specified & directed.

Supplying, laying, jointing, testing and commissioning of following DI /S.S. Class K-7 pipe as Clear Water Conveying Main (as per all relevant BIS specification) from RCC Under Ground Treated Water Sump at treatment plant to RCC elevated service reservoir including all necessary earthwork, valves & specials, valve chamber, supporting structures, anchor / thrust block etc., restoration of road hard crust / side berm (repairing charges payable to PWD / local bodies, if any), including obtaining permission for laying of pipe line along / across any Govt. / Semi Govt./ Private property, and including payment of all Taxes & duties as applicable under rule, all complete, as directed and specified.

(a) 300 mm dia DI /S.S. Class K-7 pipe

(b) 200 mm dia DI /S.S. Class K-7 pipe

(c) 100 mm dia DI /S.S. Class K-7 pipe

Providing different capacity RCC Elevated Service Reservoir, all with 18.0 m. high RCC staging with suitable RCC Foundation including all necessary inlet/ outlet/ overflow/ draining etc. piping arrangement with control valves, M.S. ladder with guard ring for ascending to the inspection canopy and then to the Roof of the reservoir, Air Vent pipes, Manhole with frame & cover at roof, float operated inlet valve, calibrated water level indicator, lightening arrestor with earthing system, Solar Power operated Aviation Warning Lamp with auto switch ON/OFF devices, providing CC topping on bottom dome & conical dome inside the reservoir & CC Skirting on inner faces of reservoir wall, providing cement mortar plaster to all other exposed surfaces of the structure and painting of the RCC structure with weather resistant cement paint over priming coat & anti corrosive paint over a coat of lead primer to M.S. work, etc., all complete (as per all relevant BIS or ISO specification), as directed and specified.

(a) 500.0 Cu.m. capacity (net storage capacity excluding the dead storage) for Zone - I

(b) 600.0 Cu.m. capacity (net storage capacity excluding the dead storage) for Zone - II

Site Development & 1.8 m. high (above GL) brick Security Wall with RCC framed structure at elevated service reservoir site for Zone - II with MS gate having locking arrangement, wall finished with weather coat cement paint & gate finished with non glossy synthetic enamel paint over a coat of red lead primer), all complete, as directed and specified. (approximate size of the plot of land : 450 Sq.m., requiring 500 mm average depth of earth filling)

Supplying, laying, jointing, testing and commissioning of required dia DI / SS Class K7 distribution pipe network (as per all relevant BIS specification), including all necessary earthwork, valves & specials, valve chamber, supporting structures, anchor / thrust block etc., restoration of road hard crust / side berm (repairing charges payable to PWD / local bodies, if any), including obtaining permission for laying of pipe line along / across any Govt. / Semi Govt./ Private property, and including payment of all Taxes & duties as applicable under rule, all complete, as directed and specified.

(a) 100 mm dia DI/SS Class-K7 pipe

(b) 150 mm dia DI/SS Class-K7 pipe

(c) 200 mm dia DI/SS Class-K7 pipe

(d) 250 mm dia DI/SS Class-K7 pipe

(e) 300 mm dia DI/SS Class-K7 pipe

2 (two) month Trial Run of the complete water supply scheme after successful commissioning of all the system component including payment of wages for all pump operator, treatment plant operator, Khalashi, Plumber, Electrician, helper etc.; payment of electrical power tariff & load charges for intake station & treatment plant; providing POL for the Captive Power Generators; and, supplying all necessary chemicals, disinfectants, laboratory reagent etc., all complete, as directed and specified.

Mrinal Jyoti das