North Lakhimpur Town Water Supply Scheme Phase II

Survey Work, Design and As-Buit Drawing: Conducting route survey under this scope and in consonance of the approved scope relevant ongoing projects (if any) on command area map along the road, fixing up alignment, taking levels at every 50 m intervals , and at each crossing & junction of road, change of alignment by qualified surveyors and with modern equipment viz. GPS, Total Station / DGPS and preparation of drawing in Auto CAD and GIS format as per instruction of Engineer - in - Charge showing the alignment of road, route of pipeline, location of Head Works & other intake sites, important land marks in both side of the roads, habitation by hatch mark and submission of 3 (Three) copies of drawing (Hard Copy) as well as soft copy in (CD or DVD) with geo reference of all landmarks, important road crossings, head Works, Design of the complete project, As built drawing & other related sites of proposed areas as directed. Survey Work also Includes Household survey for finalizing house survey connections- Entire water supply scheme Hydraulic desiginging and modelling of proposed water supply main lines, distribution system, and structural design of components (if any) included in proposed water supply system completely in all respect. Any changes as required after re-designing (if needed) the system shall be informed to the Engineer-in-Charge and after approval shall be executed entire project area as directed.

Schedule-I : Intake Barge

Design supply erection, testing and commissioning of Metallic pontoon of Size 7 x 5 m with suction piping size 300 mm dia, Header pipe 300 mm dia, length - 5 mtr approx. 2 inlet -250 mm Dia 2 outlet -300 mm Dia along with both side MS flanges, hardware and gasket. Anchoring and mooring as per Marine Statutory Rules and approvals, necessary bollards, RCC anchors with suitable weight and size, Marine chain with suitable size diameter and length etc. SS Flexible pipe 350 DN Size - 350 mm dia., MOC - SS, length - 6 mtr Single braided with both side Flanges 2 Runs x 2 Qty. HDPE Pipe, Size-350 DN, MOC - HDPE welded with 2 stud ends and 2 MS slip flanges inserted, UV stabilized raw material. Length - 6 mtr 2 Run x 6 Nos. Pipe Floater 350 DN pipe size-350 mm Shell-High impact polyethlene PU foam filled UV stabilized raw material Bolts, Nuts, Rubber Pads & Belts. Color: Orange 2 run x 15 Qty including transportation of materials from factory to site along with the installation services.

B) ELECTROMECHANICAL WORKS FOR INTAKE BARGE :- Design, supply, erection, testing and commissioning of Proposed Centrifugal Pump 75 HP, 121 LPS, 29 Mtr Head, ( 2 Nos) including all necessary electrical and other installation works (Pump and Motor MOC and other parameters comply to Technical Specification) , Induction Motor-55 kw, Electric Valve actuator, Reflux Valve, Kinetic Air Valve,MS Structural Steel Work for necessary support for Panel Board, Sluice Valve, Delivery line and necessary lifting arrangements. MSDF pipes and specials, MSDF dismantling joint, flanged joints with M.S Flanges and CC Foundation, with other important accessories like Pressure Gauge. Hand Operated Travelling Crane of 3 MT capacity with completec chain Pulley and ISI mark as pe the detailed specification of 8 mtr span along with Square Bar and DSL. Supplying, installation, testing & commissioning of Floor mounted cubical LT Motor Control Panel board fabricated with MS sheet of suitable guage and size, dust and vermin proof consisting of proper power distribution 4 pole busbar, 1 no. incoming feeder of MCCB, 2 nos. outgoing feeder of MCCB for pumps sets, 1 no. MCCB outgoing Spare feeder, 63A MCB feeder for lighting, other electrical utilities and spare, ELCB/RCCB, switch disconnected isolator (TPN), selector switches, Volt-meters, Ampere-meters, indicator lamps etc. all complete with internal wiring, protection units/relays, control cables and capacitor banks of proper KVAR for Power Factor control. Panel board shall be duly painted with two coats of super enameled paint of approved colour with one coat of red oxide primer according to Indian standards and instruction of E/I, etc. all complete. all complete. 55 KW VFD Panel with MCCB contactorassembled in 14 SWG which in operation on 380-440 Volts, 3 Phase, 50 Hz with all fitted accessories. Panel will be confirming to following components like MCCB as incommer, 55 KW VFD, RPM Meter, Power Contactor, Motor Protection Relay, Ammeter with CTs and selector Switch Voltmeter, necessary copper plate earthing with refilling of 40 kg charcoal and salt in alernate layers 19 mm dia, Hot dip galvanized iron cable tray, necessary tools for work, lighting for pump house, full bore electromagnetic flow meter of 250 mm dia. and any other works as directed by Engineer in charge/ employer.

Schedule II : Raw Water Transmission main

DI - K9 Pipes for water Pipes, Valves, Electro-Magnetic Flow Meters and Specials: - :- Design, supply, laying, hydro-testing, S&S Centrifugally Cast Ductile Iron double chamber Class K-9 pressure pipes conforming to IS : 8329:2000 with restrained joints (bolt less), all complete. Provision of DI Specials of class K-12 for push-on Jointing. Providing and laying Class K-12 Ductile Iron double chamber restrained joint (bolt less) specials such as tees, bends, collars, tapers and caps etc. conforming to IS : 9523 including testing of joints all complete. Providing and laying D.I. Specials of Class K - 12 suitable for mechanical jointing as per IS : 9523. Providing push-on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and the cost of rubber gasket. Supply of C. I. Mechanical Compression Collar Coupling suitable for C.I. Spun Pipes(as per-IS-1536/2001)and complete with sealing rubber gasket of SBR,.C.I. follower Glands and M.S. nut Bolts. The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS:1538/1993. Design, Supply & installation CI D/F sluice/ Washout/ Air valves and others with cap/wheel as per IS 14846/2000 PN 1.0 with ISI marking. Labour charge for carrying, placing in position, fitting and fixing C.I. sluice valve (with wheel & cap) C.I. reflex valve complete with supplying bolts and nuts, 3 mm thick rubber insertion sheet etc. (the tail pieces if required will be paid separately) all complete as directed (one valve and two flanged joints). Lowering, laying and jointing in position following C.I.D/F Reflex valves, Butterfly valves and Sluice valves including cost of all labour jointing material, including nut bolts and giving satisfactory hydraulic testing etc. complete including required excavation work for pipes, cables, sockets. FIlling of excavated earthwork for Trenches foundations, plinths and disposing off the surplus excavated earthwork material removed from the site and valve chamber with precast steel fibre reinforced concrete frame and covers (S.F.R.C. frame and covers)Providing and constructing B.B. masonry valve chamber with 15 cm thick 1:3:6 proportion PCC bedding, excluding excavation, B.B.masonry in CM1:5 proportion precast S.F.R.C. frame and cover, close timbering in trenches including strutting, shoring and packing cavities, Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana I Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate I retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge, for the following grades of concrete, centering and shuttering including strutting, propping etc for formwork removal, Steel reinforcement for RCC work, road restoration wherever required etc. and other works in complete as directed by Engineer-in-charge.

300 to 450 mm dia Ductile Iron Class K-9 pipe (inclusive of all fittings and other relevant accessories)

Schedule III : Proposed Water Treatment Plant (8.70 MLD)

A) Civil works for Proposed WTP: Design, supply, construction, installation, testing and commissioning of Complete Water Treatment Plant of capacity 8.70 MLD (in 22 hours of operation and with raw water from 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 Aeration, Flash Mixer & Flash Mixer Channel, including all necessary Mechanical Work suitable for smooth & trouble free operation of the plant Clariflocculator, Sludge Sump, Filter & Chemical House, Pure Water Sump, Centrufuge Building, Recycling Sump, Elevated Channel, Tonner Room, WTP MCC Room & Transformer Platform, Security Cabin, Staff Quarter for WTP, Internal roads for proposed WTP, WTP Electromechanical equipments along with internal drain pipeand other pipe (HDPE 6 kG and DI-K7/K9 and compound wall with all necessary electrical fittings & fixtures viz., light / fan / power socket etc., all complete, as directed and specified and any other works as directed by Engineer in charge/ employer.

B) MECHANICAL WORKS FOR NEW PROPOSED WTP:- Design, supply, erection, testing and commissioning of Proposed Centrifugal Pump 150 HP, 121 LPS, 57 Mtr Head, ( 2 Nos) including all necessary electrical and other installation works (Pump and Motor MOC and other parameters comply to Technical Specification) , Induction Motor, Electric Valve actuator, Reflux Valve, Kinetic Air Valve,MS Structural Steel Work for necessary support for Panel Board, Sluice Valve, Delivery line and necessary lifting arrangements. MSDF pipes and specials, MSDF dismantling joint, flanged joints with M.S Flanges and CC Foundation, with other important accessories like Pressure Gauge. Hand Operated Travelling Crane of 3 MT capacity with completec chain Pulley and ISI mark as pe the detailed specification of 8 mtr span along with Square Bar and DSL. All the Mechanical works Should Comply the Technical Specification and any other works all complete as directed by Engineer in charge/ employer.