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

Amount

Source Development by installing 200 mm deep tube well of approximate depth 150.0 m. including providing all necessary casing pipe, slotted strainer, pea gravels for well packing, bentonite clay etc.; providing all labour, machinery & equipment; developing of the well for minimum 100 hours etc., all complete as directed and specified. (DTW to be installed at treatment plant site)

Supply, installation, testing & commissioning of submersible type Raw Water Pumping machinery giving discharge of 12.24 lps against total maximum head of 35.0 including providing all necessary electrical switch gears etc. all complete, as specified & directed

Supplying, laying, jointing, testing and commissioning of average 150 mm dia. DI / SS Class-K7 pipe as Raw Water Conveying Main (as per all relevant BIS specification) from 4 Nos. Deep Tube Well to Sprinkler type Aerator at Treatment Plant 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), 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

Construction of Water Treatment Plant of capacity 2.82 MLD (in 16 hours of operation and with raw water from underground source) 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 sprinkler type aeration, rapid mixing, sedimentation & Filtration followed by disinfection, including all necessary Mechanical and Electrical Installation Work suitable for smooth & trouble free operation of the plant, Provision for Back Washing, Chemical house with Laboratory Facility including laboratory equipment and having provision for one Water Works Office and Storage accommodation, filter back wash water tank, sludge disposal system, recycling of back wash water, all internal connection & by-pass piping system including 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, back wash water pump with necessary piping work etc., and including Internal electrification work (with concealed copper wiring of required C/S. 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 2,00,000.0 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 : 950 Sq.m., requiring 300 mm average depth of earth filling)

Providing electrical power connection to treatment Plant site including drawal 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 : 100 KVA)

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 48.96 lps against a total maximum head of 40.0 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 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 required dia 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 bam (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) 150 mm dia DI/SS Class-K7 pipe

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

Providing different capacity RCC Elevated Service Reservoir 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) 750.0 cu. m. capacity (net storage excluding the dead storage) for Zone I

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 bam (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 (both for Zone I & Zone II)

(a) 100 mm dia DI/SS Class - K7pipe

(b) 150 mm dia DI/SS Class - K7pipe

(c) 200 mm dia DI/SS Class - K7pipe

(d) 250 mm dia DI/SS Class - K7pipe

(e) 300 mm dia DI/SS Class - K7pipe

(f) 350 mm dia DI/SS Class - K7pipe

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

Pulin Borgohain and Keshab Dutta JV

Rana Dev Saikia

M/S. D.K. ASSAM ASSOCIATES PVT. LTD.