PROVIDING AND LAYING OF RAW WATER MAIN TO ANDRO TOWN Project No.22 (A)

Scope of the work :- The nature of the work include Design, Drawing, Construction, Testing and trial run (months before commission) complete for Intake Works, RCC Service Reservoir, Pump House, RCC Step approach to pump house, Supply of pumpsets, Anchor blocks, Raw water mains, Providing and laying of clear water transmission mains, raw water including pipe specials etc. under Imphal East PHE Division & including provision for Operation & Maintenance of Structures/ Machineries/Pipelines/Electrical components etc. complete for a period of 5 years after commissioning the Project on turn-key Basis and as detailed below:

Providing & laying of DI Distribution Pipes (K-9 class) conforming to IS 12288:2002 specifications including excavation, sand bedding, jointing, backfilling, transporting and necessary road restoration works and pipe crossing bridge, laying of DI fittings (specials)/CI fittings (specials) mechanical type and suitable DI valves as per relevant IS Code. Design, drawing and construction of pipe crossing steel truss bridges across rivers, nallah, etc. and chambers for Air Valve, Scour Valve and Sluice Valve including testing of pipe joints, fittings, valves, and disinfection of all pipes, trial run and commissioning etc. complete : (a) DI 150 mm dia = 440.00 m (From Intake to RCC Sump at Kaina Hill)

Design ,drawing, construction, testing and commissioning of RCC Raw water Ground Sump of capacity 0.39ML with R.C.C. slab roofing, including inlet, outlet, overflow and scour pipe arrangements with all necessary specials and fittings, provision of manholes with covers, M.S. ladder, air vents, masonry valve chambers, suitable water level indicator/level staff, installation of disinfection dosing unit, smooth finishing of all surfaces, curing, satisfactory water-tightness test and all allied civil, mechanical and electrical works, complete at Kaina Hill as per approved design and direction of Engineer-in-Charge.

Design, Drawing, Construction, Testing and Trial of Pump House with plinth area 4.6m x 3.00 m, comprising RCC Column, columns, lintel, brick masonry walls, ramp, suitable steel trusses with CGI roofing, doors, windows, internal and external electrification with good finish, and provision of pump foundations for 2 (two) pump sets, including all allied civil, mechanical and electrical works, complete as per approved design and direction of Engineer-in-Charge.

Design, Drawing, Construction, Testing and Commissioning of RCC Step type Intake for WTP (0.39 MLD) with suitable pile foundation, having 3 nos. of landing of size (2 x 2) m, 3 nos. of flight of 3m with necessary mechanical & electrical works including connecting walkway cum pipe carrying girder from Intake to river bund and construction of pump house with suitable pump foundation for 2 nos. of pumpset in brick wall with RCC column, lintel, ramp, CGI sheet roofing, doors, windows, electrification and its accessories complete with and finishing the same with good quality of paint Supply and Installation of electrical pumpset with necessary component, fitting & Electrical work complete for raw water pumps (Worthington/Mather Platt/Kirloskar make) with motors (2 working and 1 stand by) i/c manually operated travelling crane with girder for lifting the pumps at Thoubal River

Supply, Delivery, Installation, Testing and Commissioning of Horizontal Split Casing Centrifugal Pump sets (Worthington/Mather Platt/Kirloskar or equivalent approved) including motors of required capacity, suction and delivery pipe arrangements with necessary pipes, valves, dismantling joints, specials and accessories, cost of jointing materials, base frame, foundation, alignment and coupling, control panels with starters and protection devices, cabling, earthing and all allied civil, mechanical and electrical works, complete as per detailed specifications and direction of Engineer-in-Charge. A) Provide 2 Nos. of 26 KW (35 HP) pumpsets (1 Nos. working and 1Nos. standby) having combined discharge of 20.31 LPS against a head of 102 m.

Providing, Supplying, Laying, Jointing, Testing and Commissioning of Gravity Main with D.I.(K-7class) conforming to IS: 12288-2002, including trench excavation, lowering, laying and jointing of pipes with D.I./C.I. fittings and specials, provision of sluice valves, gate valves with masonry chambers, non-return valves, air valves, anchor blocks and thrust blocks as required, hydraulic testing of pipes, joints, fittings and valves, disinfection of pipeline, refilling of trenches and road restoration of excavated trenches to original condition, with trial run and all allied civil, mechanical and electrical works, complete as per approved design and direction of Engineer-in-Charge. (a) DI 200mm dia – 12060 Rm ( From RCC Sump to Andro) (b) DI 150mm dia – 1300Rm (From Andro to Santhei) (c) DI 100 mm dia – 2750 Rm (From Andro to Sanapat) Total - 16110 Rm

Design, Drawing, Energisation, Procurement and Installation of suitable transformer i/c erection & stringing of necessary HT & LT line for power supply having capacity enough to operate the pumping machineries for the Scheme/Intake, including internal and external lighting, testing etc. with submission of all test reports, civil foundation, earthing, cabling, and allied accessories, with necessary tying up with the Electricity Department for all technical and mandatory requirements/formalities for installation and energisation of transformers and HT/LT lines, complete as per detailed specifications and direction of Engineer-in-Charge. The Transformer shall be designed and manufactured conforming to Energy Efficiency Level – 2 at basic insulation level as per IS:2026(Part I & II) with latest amendments and IS:1180(part I - 2014) with latest amendments, fitted with On-Load Tap Changer (OCTC), initial flling of oil conforming to IS: 335-1993, and all necessary fittings and protection devices Location : Kaina (Poiroukhongjil Grazing Ground, Lat- 24º40’15.4”, Long- 94º01’08.8”)

Operation and Maintenance of the Scheme for a period of 5 years after commission of the project on turnkey basis: Operation and Maintenance of all infrastructures created under the above works, including pumping machinery, transformers, HT/LT lines, civil structures, reservoirs, treatment units, distribution and pumping mains, electrical and mechanical installations, valves, instruments and accessories, for a period of 5 (five) years after commissioning of the project, on turnkey basis, including deployment of required manpower, routine maintenance, preventive and corrective repairs, record keeping, submission of O&M reports, and necessary coordination with the Electricity Department and other statutory authorities for uninterrupted operation and compliance, complete as per specifications and direction of Engineer-in-Charge