Design, Supply, Transportation, Construction, Installation, Testing, and Commissioning of a 2.50 MLD Capacity Sewage Treatment Plant at Haflong Municipality on DBO basis including Operation and Maintenance of the complete system for a period of five

Schedule-I: Engineering Services : Design Services

Sub Soil Investigation & Survey, Design, Drawings work based on the guidelines laid down in the Manual published by CPHEEO, Ministry of Housing & Urban Affairs and SBM (Urban) 2.0 as per socpe of the work of tender document..

Schedule II: Civil Works for STP of 2.5 MLD Capacity in Aerobic Process.

Design, supply, construction, installation, testing and commissioning of all required units including Inlet Chamber, Bar Screen Chamber, Grit Chamber, and associated components - for pre and primary treatment of any mechanized sewage treatment plant.

Design, supply, construction, installation, testing, and commissioning of all required units—including equalization, aeration, chlorination, and associated components—for secondary treatment of any mechanized sewage treatment plant.

Schedule III: Electrical Work for STP of 2.5 MLD Capacity in Aerobic Process.

Design, supply, erection, testing and commissioning of all Electrical works for STP including electric cables, MCC panel, main panel, earthing, Cable trench, Cable tray, Gland and lugs, internal lighting & exhaust system external lighting, campus lighting, etc and all other associated works as per Employer's Requirements.

Schedule IV: Electro Mechanical works for STP of 2.5 MLD Capacity in Aerobic Process.

Design, supply, erection, testing and commissioning of all Mechanical works including Coarse Bar Screen, Fine Stainless-Steel Screen, Raw Sewage Transfer pump from Wet well to STP , Air Blower for Equalization Tank, & Aeration Tank, Diffuser System for Aeration Tank and Equalization Tank, Secondary Settling Tank Scrapper-Mechanism, Return of activated sludge transfer pump, Waste of activated sludge transfer pump, Chlorine Dosing Pump, Chlorine Dosing tank agitator, Electro-Magnetic Flow Meter, Pen stock gate/sluice gate valve for inlet sewage For Coarse Screen Chamber Inlet Gate, Pressure Gauge, Level Sensors (For All Pumps), Pipe & fittings with all accessories, PH meter, Dissolved Oxygen Meter, Valve & fittings, etc and all associated components installed and completed in accordance with the Employer's Requirements

Schedule V :Power Connection for STP of 2.5 Capacity

Providing electrical power connection required for 2.5 MLD STP 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 obtaining necessary approval & load sanction from APDCL and payment of supervision & other charges to APDCL

Schedule VI : Infrastructure Works

Design, construction, testing and commissioning of the water supply arrangement as per site requirements, complete in all respects, as directed by the Engineer-in-Charge/Employer.

Design, Development & Construction for Site, Internal Path, Storm water drain, treated effluent disposal pipe, and all associated works as per site requirements, complete in all respects, as directed by the Engineer-in-Charge/Employer.

Design & Construction of office building including Panel and Store Room as per site requirements, complete in all respects, as directed by the Engineer-in-Charge/Employer.

Design & Construction of Boundary Wall / Fencing along with Entrance Gate at Treatment plant, as directed by the Engineer-in-Charge/Employer.

Schedule VII: Interception and Diversion (I&D) Work

Design, supply, construction, installation, testing and commissioning of Collection chamber with Screen at tapping point complete for distribution system as per Technical Specifications and direction of Engineer:

Providing, erecting, testing and commissioning Sewage Submersible pump of Non Clog type for Sewage water , MS Dismantling Joint, Knife Gate Valves PN-10 /16 rated, Air Valve, C.I/DI.D/F Reflex valves, Butterfly valves and Sluice valves. (PN 1.6), D.I. pipes K-9, M.S Pipes , Welding work, Gas cutting either square cut or V cut pipes, plates, etc. Hydraulic Testing Giving satisfactory hydraulic testing of following all valves & pipes, , Pressure Guage, DI, MS Special, Thimble Mounted Sluice Gates, complete and any other works as directed by Engineer in charge/employer.

Design, supply, laying, hydro-testing, and comissioning of Raw Sewerage Main line which includes RISING MAIN ,GRAVITY MAIN and Manhole Chamber (Bricks & RCC) including excavation in trenches, dismantling of all type of pavements, sand bedding as required, backfilling of trenches and foundations with approved graed excavated materials and approved graded river sand as required including loading and unloading , Shuttering and shoring the earth at different levels in foundations where necessary with required prop, struts, planks, timbers, nails etc. including dewatering if necessary, road restoration, hydro-testing complete for distribution system as per Technical Specifications and direction of Engineer:

Schedule VIII: Five Year O&M (Operation and Maintenance (after completion of Capex work and trial & satisfactory commissioning of complete project)

Operation & Maintenance of the entire Sewerage Treatement project including Manpower, chemicals and material, repairing of all components as required, repair to pipeline leakages, road restoration for the repairing works, painting of civil or non-civil structures (if any), retrofitting works of the civil structure wherever necessary and management of STP, pumps and motors, pumping stations including mechanical, electrical panels, necessary accessories. It also includes activities for maintenance of campus development, laboratory, etc. for 5(Five) years.(APDCL Energy Charges will be borne by the ULB)

1st year of Operation and Maintenance

2nd year of Operation and Maintenance

3rd year of Operation and Maintenance

4th year of Operation and Maintenance

5th year of Operation and Maintenance