Biswanath Chariali Town Water Supply Project

Schedule-I : Engineering Services

Survey Work, Hydraulic Design and As-Built Drawing: Conducting route survey of the Biswanath Chariali Town as per drawings/ maps attached in the Bid Documents. The survey includes 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 & existing Intake/ Deep tube well, important land marks in both side of the roads, habitation by hatch mark and submission of 3 (Six) 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, As built drawing & other related sites of proposed areas in GIS Layer, .shp file layers, in projection (Latitude & Longitude). The location of completed works and alignment shall be marked in the drawing and it shall represent true locations at site as directed. Survey Work also Includes Household survey for finalizing house survey connections- Entire water supply scheme under AMRUT 2.0 avoiding duplicity of Household Connection of Water Supply already provided by schemes other than AMRUT 2.0 & Hydraulic Design, Detailed Engineering and Drawings with technical specifications and modelling of proposed water supply main lines, distribution system, and structural Design, Detailed Engineering and Drawings with technical specifications of components (if any) included in proposed water supply system completely in all respect. Any changes as required after re-Design, Detailed Engineering and Drawings with technical specifications (if needed) the system shall be informed to the Engineer-in-Charge and any other works as directed by Engineer in charge/ employer and after approval shall be executed for entire project area.

Schedule-II : Intake Tube wells and Submersible Pumps

A) Design, installation, development, testing and commissioning of Deep Tube well of size 200mm X 300mm with ERW MS perforated pipe casing including supplying all materials, including Transportation of drilling rig and equipment, erection at site, setting the work and dismantling after completion of the work including temporary accommodation for the drilling personnel as directed and specified, Pilot boring with 80 mm dia size. Supplying, Lowering & sinking of well assembly including welding of pipe joints for 200mm, 300mm dia ERW M.S. casing pipe and 200mm dia. M.S. strainer pipe including supplying M.S. Collar of suitable size made out of 40mm diaX 6 mm thick M.S. Flat by cutting, welding and tuning etc. all complete as required and as directed. Fabrication and supplying of M.S. Cone of 300mm dia 1.00m long .Supplying and packing pea gravel around the periphery of casing .Developing of the D.T.W. with air compressor all complete and any other works as directed by Engineer in charge/ employer.

B) Designing, Providing, erecting, testing and commissioning of submersible pump set of required discharge and head as per approved design, conforming to IS 8034 and motor conforming to IS 9283, with water proof winding. Pump shall be suitable for various delivery head and discharge with stainless steel shaft. Motor suitable for working on 415 V ± 10%, 3 Ph, 50 Hz A.C. Supply, with cable guard, thrust carbon/fiber bearing to withstand entire hydraulic thrust. The pump set shall be suitable for direct coupling, with suitable suction strainer. Pump should have suitable discharge out let as per manufacturer's design, control panel, submersible copper conductor cable in single / double run up to Panel and 2 pairs of suitable size erection clamp 10 mm thick shall be provided with each pump. MS black column Pipe of Heavy duty conforming to IS-1239-Part-I (2004) standards including internal food grade epoxy coating and external enamel painting, all complete and any other works as directed by Engineer in charge/ employer. (Submersible Pumps for Borewell of dia 150mm, Capacity : 17.5 HP, 3 phase 415V AC@50HZ, Suitable for 40 mtr head, 18 LPS Overall MOC : As per design & specifications)

C) 11 kv 2 Pole Structure for Transformer :- Supplying, all administrave cost and charges & erecting D. P. Structure for 11kV/0.415kv 25 KVA Transformer with R.S.J. Pole 2 Nos. of size 100 x 116 mm x 11 Mtr. Long with suitable Distribution Box of C.R.C.A. Sheet 16 SWG with 4 Pole MCCB 100 Amps as incomer & 6 Nos. 100 Amps Kitkat / MCCB for out going circuits. Transformer D.P. Structure includes the A. B. Switch 200 Amps, D.O. fuse Set & L.A. Set. 2 Nos. Top channel of size 100 mmx 50 mm for erection of A.B. Switch & 2 Nos. Base channel of size 100 mm x 50 mm for erecting Transformer. Channel of size 75 x 40 mm for erecting D.O. Fuse Set, L.A., A.B. Switch handle etc. Angle of size 50 x 50 x 6 mm for erecting Distribution Box (2 circuits) , Transformer Belt etc.as per drawing (min. 176 Kg. iron work) with necessary clamps, Nut-bolts, insulators etc. complete with caution board & barbed wire. D.P. Structure shall be erected in c.c. foundation complete. Earthing with GI pipe at least 8 Nos (20 mm dia, 3 Mtr) and connection with 8 SWG GI Wire to complete structure and any other works as directed by Engineer in charge/ employer.

D) Design and construction for Civil Work for switch room at the Ground Floor (Size 2.4 x 2.4 = 5.76 sqm) sqm for 3 Nos as required complete and any other works as directed by Engineer in charge/ employer.

Schedule III : Raw Water Transmission main

DI - K9 Pipes for Raw water Pipes and Specials: - Design, supply, laying, hydro-testing, disinfection and commissioning of raw water transmission main of Supply, delivery & Stacking of Ductile Iron (DI) Pipes of Class K9, and P 1.0 rating, IS marked conforming to IS 8329:2000 Centrifugally Cast (SPUN) Pressure Pipes for water with Socket, Spigot ends and tyton joints in standard working lengths of 5.5 & 6m for classification K-9 suitable for Push- on Joint (Rubber Gasket Jointing) with cement mortar lining inside the pipes as per of IS 8329:2000 and Zinc Coating with a finishing layer of Epoxy Resin (Blue Epoxy) on external surfaces as per IS 8329:2000. including third party inspection (Pre and Post) including DI Specials and fittings of class K12, with plain, double socket, Socketed and flanged DI specials conforming to IS: 9523 including various types of bends, tees, reducers, socket and flanged tail pieces, duck foot bends, collars, mechanical joints, dead end caps, blank flanges etc. as per requirement including EPDM rubber gaskets suitable for tyton joints and ‘O” rings required for the jointing of specials with the pipes, nuts and bolts with packing gaskets, including required valves, appurtenances and chamber (air valves, sluice valves and non-return valves, pressure gauges) including excavation in trenches, dismantling of all type of pavements, sand bedding as required, backfilling of trenches and foundations with approved grade excavated materials and approved graded river sand as required including loading and unloading , reinstating of road, Shuttering and shoring the earth at different levels in foundations where necessary with required prop, struts, planks, timbers, nails etc. including dewatering if necessary, thrust blocks, nalla/Stream/ culvert crossing, construction of pedestals including all upto commissioning, Third party inspection (Pre & Post), Road restoration as per existing condition with proper safety arrangements, hydro-testing complete for Rising main as per Technical Specifications and any other works as directed by Engineer in charge/ employer.

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