Design, Supply, Transportation, Construction, Installation, Testing, and Commissioning of a 2.50 MLD Capacity Sewage Treatment Plant at Mangaldoi Municipality as well as Operation and Maintenance of the complete system for a period of five years aft

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 scope of the work of tender document.

Schedule II: Civil Works for STP of 2.50 MLD Capacity in Extended Aeration (EA) Technology

Design, supply, construction, installation, testing and commisioning of Coarse Screen Chamber and Wet Well

Design, supply, construction, installation, testing and commisioning of Inlet Chamber

Design, supply, construction, installation, testing and commisioning of Bar Screen Chamber

Design, supply, construction, installation, testing and commisioning of Grit Chamber

Design, supply, construction, installation, testing and commisioning of Parshall Flume

Design, supply, construction, installation, testing and commisioning of Aeration Tank

Design, supply, construction, installation, testing and commisioning of Secondary Settling Tank

Design, supply, construction, installation, testing and commisioning of Disinfection Tank

Design, supply, construction, installation, testing and commisioning of Filter Press Housing

Design, supply, construction, installation, testing and commisioning of Collection chamber with Screen

Design, supply, construction, installation, testing and commisioning of Sludge Holding Tank

Design, supply, construction, installation, testing and commisioning of Filter Press

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

Schedule V: Electro Mechanical works for STP of 2.50 MLD Capacity

Design, supply,erection, testing and commisioning of all Mechanical works for STP including Coarse Bar Screen, Fine Stainless Steel Screen, Raw Sewage Transfer Pump from STP Inlet Wet Well to Inlet Chamber, Air Blower for Aeration tank, Diffuser System for Aeration tank, Secondary Tank Scraping Mechanism, Return of Activated Sludge Tranfer 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 and Fittings with all Accessories, pH Meter, Dissolved Oxygen Meter, Valve & Fittings, etc and all associated components installed in accordance with the Employer's requirements.

Schedule VI: Interception and Diversion (I&D) Works for STP of 2.50 MLD Capacity

Design, construction, testing and commisioning of Coarse Screen Chamber and Wet Well for Convey System with required dimensions for STP as per design specification including Excavation in al types of Strata, filling available excavated earth excluding rock, disposing of material, dewatering with providing & supplying, binding, reinforcement as per design requirement for construction of R.C.C. M30 well staining internal & external surface, railing, MD ladder, MS Sluice gate, etc. complete and any other works as directed by Engineer in charge/employer.

Supply, erection, testing and commisioning of Sewage Submersible pump as per design specification of Non Clog type Sewage water. Design, supply, erection, construction and commisioning of Pumphouse as per design in BB Masonary common bricks in C.M. 1:4, including 15 mm cement plaster, MS shutters, doors, windows, with oil bound washable distemper internal and external surface with all complete as per Employer's Requirements.

Design, supply, laying, hydro-testing, and comissioning of Raw Sewerage Main line for STP for the length of 3800 RM which includes RISING MAIN (HDPE pipes of PE-100 grade & PN-6 – 300mm dia) 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, hydro-testing completefor distribution system as per Technical Specifications and direction of Engineer:

Road Restoration as per requirement including filling of earth, graded aggregates,compaction, concrete casting and bitumen topping.

Providing electrical power connection of required kVA to STP site + transmission line for I&D pumps 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

Design, Installation, testing and commisioningof Deep Tube Well including boring, lowering of pipe casing and strainer, submersible pump and all related items as per the scope of work.

Design and Construction of Admin Building cum DG and Store Room of plinth area as per Drawing and Specification for STP. The cost shall include civil works, foundation, site preparation, roof, external finish, internal electrification and all other associated works, all complete as per Employer's Requirements.

Design & Construction of Barb wire fencing for STP of height (above GL) as per requirement of the site condition and length all completeas directions of Engineer-in-Charge & directed by the employer.

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

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