PROVISION OF DEFICIENT SEWAGE TREATMENT PLANTS WITH ALLIED WORKS AT CERTAIN LOCATIONS UNDER GE (U-II), VISAKHAPATNAM

PHASE-I : [Schedule "A" Part – I] (Item Nos. 01 to 78): Design, engineering, collection and testing of raw sewage samples, preparation and submission of complete treatment scheme, obtaining approval of Accepting Officer including Supply, installation, testing and commissioning of fully automatic Package Type Sewage Treatment Plant (STP) of 80 KLD capacity at Key personal quarters near SVN Colony, visakhapatnam with teritary treatment based on any proven and approved sewage treatment technology suitable for achieving the following treated effluent parameters and all as specified in the policy guidelines and / or statutory norms including CPCB norms, MoEF&CC guidelines, NBC provisions and local Pollution Control Board requirements, complete in all respects and as directed by Engineer-in-Charge: [Note: Bidders are required to submit the documents in support of their eligibility for bidding as per PQC specified in NIT ] (a) pH - 6.5 to 8.3, (b) COD – less than 50 mg/L, (c) BOD – less than 10 mg/L, (d) TSS – less than10 mg/L, (e) Total Nitrogen - 10 mg/L, (f) Total Phosphorous 1 mg/L, (g) Fecal Coliform - NIL, and (h) Odour - No foul odour (j) COMPONENTS OF STP PLANT: The equipment for the STP shall be as per OEM Recommendations:

[i] Since the design of STP shall be as per OEM, please note that unit rate quoted for Sewage Treatment Plant shall be deemed to be inclusive of full and final completion of work as per BoQ, Particular Specifications and specifications as per OEM recommendations read in conjunction with each other. Any item not covered in the scope of work but essential for smooth functioning of STP shall be provided as per OEM/Technology providers recommendations. The quoted rate is inclusive for the same. No additional claim whatsoever in this regard shall be entertained. [ii] The complete scheme of STP shall be vetted by OEM / technology provider for its 80 KLD sewage hold by capacity. [iii] STP has to process input sewage from raw sewage well. Any other component to align STP with raw sewage well is deemed to be inclusive in scheme of STP under this item. [iv] Cost of all spares and consumables required during defects liability period for keeping the system functional, is deemed to be inclusive in the unit rate quoted under this item. No additional claim whatsoever shall be entertained at later date.

(c) The scope shall include all civil works, mechanical works, electrical works, instrumentation works, automation works and associated allied works from receiving raw sewage at inlet point up to storage of treated effluent in treated water storage tank, excluding the following:- (i) Raw sewage collection tank with screen chamber (separately provided under another schedule item) (ii) External incoming sewer/inlet pipeline up to Raw sewage collection tank. (iii) External treated water outlet pipelines beyond treated water storage tank battery limit. (d) The scope shall however include all pumpsets, blowers, screw pumps etc as per OEM design with 01 working + 01 standby, internal interconnecting pipelines, valves, fittings, specials, manifolds, channels, launders, supports, pipe bridges, internal sewer lines, sludge lines, air lines, chemical dosing lines, filtration lines, flushing lines, recirculation lines and all associated piping within the STP package limits complete. (e) The item shall include all RCC, PCC, masonry, plastering, waterproofing, anti-corrosive treatment, epoxy coating, flooring, trenches, foundations, equipment pedestals, paving, drainage arrangements, covers, staircases, handrails, ladders, chequered plates, structural steel works, sheds/buildings and all other civil and structural components forming part of package type STP required for complete functioning of the STP.

(f) The scope shall include all process equipment and accessories such as screening arrangements, grit removal system, oil & grease removal system, equalization arrangements (if part of package), aeration system, blowers, diffusers, bio-reactors, clarifiers, media, tube settlers, pumps, mixers, agitators, sludge handling system, filter feed pumps, filter units, tertiary treatment units, activated carbon filters, pressure sand filters, disinfection system, chlorination/UV/ozonation system, chemical dosing systems, sludge drying arrangements, odour control arrangements and all accessories including all Raw sewage & treated water pump sets complete as per approved design. (g) The item shall also include complete tertiary treatment system for achieving reuse quality treated water suitable for arboriculture applications as specified in contract documents and policy guidelines. (h) The scope shall include complete internal electrification and power distribution system including LT panel, MCC, APFC panel, PLC based automation panel, SCADA system, mimic panels, HMI, instrumentation, sensors, analyzers, level transmitters, flow meters, pressure gauges, online monitoring system, local control stations, all power/control wiring, copper/aluminium cables, control cables, communication cables, cable trays, earthing, lightning protection, glands, lugs, terminations, starters, VFDs, illumination, exhaust fans, sockets and all accessories complete.

Designing, supplying, Devloping, installing, integrating and commissioning of SCADA system for 80 KLD STP along with various automation equipment for STP as indicated. The SCADA System shall comprises of followings:- (a) Central monitoring station (CMS) with Desktop Computer all in one PC (i5 with 500 GB SSD & 8 GB RAM/ 14 Gen, Windows 11 Original, and Screen 23.8 . The storage capacity of hard disk shall be suitable for storing the data for a minimum period of six months (or) 500 GB whichever is higher. (Make: HP/DELL/ACER). (b) UPS with half an hour backup. (c) Colour Laser Printer. (d) Data Gateway. (e) SCADA software which can be operated, programmed and modified by agencies other than developer (f) PLC/ Microprocessor Controllers with indoor/ outdoor applications for water sensing display, pump operation with RTU/ without RTU or Microprocessor controller and microprocessor transmitter. (g) Suitable communication system including payment of bills to Telecom service provider up to completion of DLP. (h) Pressure Transmitter (j) Ultrasonic Sensors (k) Flow meter and switches (l) Online continous effluent monitoring system (OCEMS)

(xii) Cost of all spares required during defects liability period for keeping the system functional, operation including payment of bills by telecom service provider is deemed to be inclusive in the rate quoted above. No claim whatsoever shall be entertained at later date. SCADA to cover automation and sample analyzers. The system should provide following data on a central monitor:- Cumulative sewage flow. Cumulative treated wastewater flow. All parameters mandated by NGT guidelines through online monitoring of treated wastewater (effluent). Any event occurring not as per design to be highlighted onscreen. Accessibility of details on logging in remotely.

(f) The quoted rate shall be deemed to include all labour, materials, T&P, consumables, chemicals during commissioning, loading/unloading, transportation, transit insurance, testing, third party inspection if required, statutory approvals, safety measures, barricading, trial runs, performance testing, commissioning, operator training, O&M manuals, as-built drawings, documentation and all incidental charges whatsoever necessary for successful completion and handing over of the plant in fully functional condition. (g) The contractor shall carry out testing and commissioning of the complete plant and demonstrate satisfactory performance continuously for a minimum period as specified by the Accepting Officer before handing over. Treated effluent samples shall be tested from NABL accredited laboratory and results submitted to the department. Completion report and final bill shall be processed after successful commissioning and achievement of guaranteed treated water characteristics. (h) Monthly testing of treated water from NABL shall be submitted to the department during DLP. Cost of the same included in the quoted raets. (j) The item shall be measured and paid as one complete Lump Sum job irrespective of individual components, quantities, capacities, equipment details or execution methodology. No extra payment shall be admissible for any item, component, accessory, equipment, design requirement, statutory compliance, civil work, electrical work, instrumentation, SCADA integration, piping, cabling or any other work required for satisfactory completion and performance of the STP whether specifically mentioned or not, complete and functional operation of the STP system and as per OEM recommendations.

All as per item No. 1 to 1.09 above but for Sewage Treatment Plant of capacity 50 KLD at Dega Vihar, Visakhapatnam

Supplying, laying, jointing, testing and commissioning of 100mm dia, Centrifugally Cast (Spun) Pressure Pipe with Socket and Spigot ends of pressure rating 6 kgf/cm2 laid in trenches, suitable for Push-on-Joint including jointing material, duly applied with Zinc Coating with finishing layer of Bitumen on external surfaces and cement motor lining with Bituminous Seal coat on internal surfaces including all necessary DI fittings / specials complete all as specified and as directed by Engineer-in-Charge.