SUPPLY INSTALLATION TESTING COMMISSIONING OF TERITIARY TREATMENT OF STP AND ASSOCIATED SEWAGE ROUTING, PIPING AND AUTOMATION WORKS AT COMMERCIAL BUILDING TECHNOPARK PHASE I CAMPUS

Amount

Supply, Installation, Testing, And Commissioning of 12.5 m3/h Fully Automated Reverse Osmosis Plant as per the terms & conditions of the tender document.

Supply, Installation, Testing, And Commissioning of RO Feed Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Level Switch in RO Feed Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of RO Feed Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for each RO Feed Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Transmitter for RO Feed Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for RO Feed Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Flow Indicator Transmitter for RO Feed Pumps Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of ORP Indicator Transmitter for RO Feed Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Sodium Metabisulfite (SMBS) Dosing Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Level Switch in Sodium Metabisulfite (SMBS) Dosing Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Agitator in Sodium Metabisulfite (SMBS) Dosing Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Sodium Metabisulfite (SMBS) Dosing Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Skid for the Sodium Metabisulfite (SMBS) Dosing System as per the terms and conditions of the tender document.

Supply of the Sodium Metabisulfite (SMBS) chemical required for the DLP Period as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Antiscalant Dosing Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Level Switch in Antiscalant Dosing Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Agitator in Antiscalant Dosing Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Antiscalant Dosing Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Skid for the Antiscalant Dosing System as per the terms and conditions of the tender document.

Supply of the Antiscalant chemical required for the DLP Period as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Micron Filter for RO Feed as per the terms and conditions of the tender document.

Supply And Installation of the Micron Filter Elements required for the DLP Period as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Transmitter for RO High Pressure Pump Suction Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for RO High Pressure Pump Suction Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of RO High Pressure Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for each RO High Pressure Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Transmitter for RO High Pressure Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for RO High Pressure Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Reverse Osmosis (RO) System as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Skid for the Reverse Osmosis System as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Differential Pressure Transmitter for Reverse Osmosis System as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Transmitter for RO Product Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for RO Product Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Flow Indicator Transmitter for RO Product Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Transmitter for RO Reject Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for RO Reject Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Flow Indicator Transmitter for RO Reject Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Ultraviolet (UV) Disinfection System as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of ORP Indicator Transmitter for RO Product Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Disinfectant Dosing Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Level Switch in Disinfectant Dosing Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Agitator in Disinfectant Dosing Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Disinfectant Dosing Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Skid for the Disinfectant Dosing System as per the terms and conditions of the tender document.

Supply of the Disinfectant (Sodium Hypochlorite) chemical required for the DLP Period as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of RO Product Water Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Level Switch in RO Product Water Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of RO Product Water Transfer Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for each RO Product Water Transfer Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Transmitter for RO Product Water Transfer Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for RO Product Water Transfer Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of RO Reject Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Level Switch in RO Reject Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Electrical Control Panel and other Electrical Works as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Intermittent Sewage Pumping Station (ISPS) as per the terms & conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Medium Screen in the ISPS as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Level Switch in ISPS Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of ISPS Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for each ISPS Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Transmitter for ISPS Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for ISPS Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Flow Indicator Transmitter for ISPS Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Electrical Control Panel and other Electrical Works in the ISPS as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Main Sewage Pumping Station (MSPS) as per the terms & conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Medium Screen in the MSPS as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Level Switch in MSPS Tank as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of MSPS Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for each MSPS Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Transmitter for MSPS Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for MSPS Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Flow Indicator Transmitter for MSPS Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Electrical Control Panel and other Electrical Works in the MSPS as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Miscellaneous Works at the existing 250 KLD STP as per the terms & conditions of the tender document.

Demolition & Dismantling of Existing Screen Chamber & Screens as per the terms and conditions of the tender document.

Supply, Installation, Construction, Testing, And Commissioning of New Screen Chamber as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Medium Screen as per the terms and conditions of the tender document.

Demolition & Dismantling of Existing Oil & Grease Chamber as per the terms and conditions of the tender document.

Supply, Installation, Construction, Testing, And Commissioning of New Oil & Grease Chamber as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Oil Skimmer as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Raw Sewage Transfer Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for each Raw Sewage Transfer Pump as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Transmitter for Raw Sewage Transfer Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Pressure Gauge for Raw Sewage Transfer Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Flow Indicator Transmitter for Raw Sewage Transfer Pump Discharge Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Electrical Control Panel and other Electrical Works for the Raw Sewage Transfer Pump & Oil Skimmer as per the terms and conditions of the tender document.

Dismantling of Existing Machineries from the 250 KLD STP Plant Room as per the terms and conditions of the tender document.

Disinfecting the Existing Pipeline to Nila Overhead Tank (OHT) as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of ORP Indicator Transmitter at Nila Overhead Tank (OHT) as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Disinfectant Dosing Tank at Nila Overhead Tank (OHT) as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Level Switch in Disinfectant Dosing Tank at Nila Overhead Tank (OHT) as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Agitator in Disinfectant Dosing Tank at Nila Overhead Tank (OHT) as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Disinfectant Dosing Pump at Nila Overhead Tank (OHT) as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Skid for the Disinfectant Dosing System at Nila Overhead Tank (OHT) as per the terms and conditions of the tender document.

Supply of the Disinfectant (Sodium Hypochlorite) chemical required for the DLP Period as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Electrical Control Panel and other Electrical Works for the Disinfectant Dosing System at NILA OHTas per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of ORP Indicator Transmitter at 1 MLD WTP Nanofiltration Product Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Disinfectant Dosing Tank at 1 MLD WTP Nanofiltration Product Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Level Switch in Disinfectant Dosing Tank at 1 MLD WTP Nanofiltration Product Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Agitator in Disinfectant Dosing Tank at 1 MLD WTP Nanofiltration Product Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Disinfectant Dosing Pump at 1 MLD WTP Nanofiltration Product Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Skid for the Disinfectant Dosing System at 1 MLD WTP Nanofiltration Product Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Additional Digital or Analog I/O Modules, MCBs, Starters, Contactors, Overload Relays, Panel Enclosures, Wiring and Other Switch gears required for the Disinfectant Dosing System at 1 MLD WTP Nanofiltration Product Header as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Sensors required for the Existing Analyzers as Store Standby as per the terms and conditions of the tender document.

Supply, Installation, Testing, And Commissioning of Uninterruptible Power Supply (UPS) Systems for the existing 250 KLD MBR based Sewage Treatment Plant, 750 KLD MBR based Sewage Treatment Plant and 1 MLD Nanofiltration based Water Treatment Plant as per the terms and conditions of the tender document.

Supply, Installation, Testing & Commissioning of Cloud Based Monitoring and Controlling System for the Existing 250 KLD MBR based STP, 750 KLD MBR Based STP and 1 MLD Nanofiltration based WTP

Supply, Installation, Testing, And Commissioning of Cloud based Monitoring & Controlling system for the Existing 250 KLD MBR based STP, 750 KLD MBR Based STP and 1 MLD Nanofiltration based WTP as per the terms and conditions of the tender document.

Supply, Installation, Testing & Commissioning of Plumbing materials with necessary accessories for interconnection as per the terms & conditions of the tender document.

“3” inch PPR PN16 pipes for RO Feed Tank to RO Feed Pumps

“1” inch PPR PN16 pipes for RO Feed Tank Overflow and Drain line

“2” inch PPR PN16 pipes for RO Feed Pump to RO System

“2” inch PPR PN16 pipes for RO System to RO Product Water Tank

“2” inch PPR PN16 pipes for RO System to RO Reject Tank

“2” inch PPR PN16 pipes for RO Product Water Tank to 1 MLD WTP

“1” inch PPR PN16 pipes for RO Product Water Tank Overflow and Drain line

“1” inch PPR PN16 pipes for RO Reject Tank Overflow and Drain line

“2½” inch PPR PN16 pipes for ISPS Pumps Suction Header

“2” inch PPR PN16 pipes for ISPS Pumps to MSPS Tank

“2½” inch PPR PN16 pipes for MSPS Pumps Suction Header

“2” inch PPR PN16 pipes for MSPS Pumps to New Screen Chamber at 250 KLD STP

“8” inch PVC MPa 0.4 pipes for New Screen Chamber to New Oil & Grease Chamber

“8” inch PVC MPa 0.4 pipes for New Oil & Grease Chamber to Existing underground Equalization Tank

“2” inch PPR PN16 pipes for Raw Sewage Transfer Pumps to New 250 KLD MBR STP Equalization Tank

“1” inch uPVC Sch.40 pipes for Overflow & Drain for the Disinfectant Dosing Tank at 1 MLD WTP Nanofiltration Product Header as per the terms and conditions of the tender document.

“⅟₂” inch uPVC Sch.40 pipes for the Disinfectant Dosing Tank at 1 MLD WTP Nanofiltration Product Header as per the terms and conditions of the tender document.

Supply, Installation, Testing & Commissioning of Metallic Valves as per the terms & conditions of the tender document.

“1” inch SS304 PN16 Manual Ball Valve

“1⅟₂” inch SS304 PN16 Non Return Valve

“1⅟₂” inch SS304 PN16 Manual Butterfly Valve

“2” inch SS304 PN16 Non Return Valve

“2” inch SS304 PN16 Manual Butterfly Valve

“2” inch SS304 PN16 Electrically Actuated Butterfly Valve

“2½” inch SS304 PN16 Manual Butterfly Valve

“2½” inch PN16 SS Foot Valve

“3” inch SS304 PN16 Manual Butterfly Valve

Supply, Installation, Testing, and Commissioning (SITC) of an eco-friendly triple-layer PPR (Polypropylene Random Copolymer) piping system, compliant with IS 15801:2008 and manufactured from NSF-certified raw materials, with a PN10 pressure rating. The scope includes all associated fittings and accessories, such as 90° and 45° elbows, reducer couplers, equal tees, slip-on flanges, flange cores, metal inserts, bolts, nuts, and custom-fabricated fittings as per system design requirements. A flange will be provided at pipeline termination points suitable to both PPR and MS extensions for future connections. Installation & Routing: The pipeline will be installed along the terrace, through shafts, and within the building premises, ensuring proper alignment, support, and accessibility for maintenance and future modifications. Insulation Requirements: All non-exposed PPR pipes in the chilled water system shall be insulated with 19mm thick Class O closed-cell nitrile rubber sleeves for available sizes. Unavailable sizes shall be insulated with 19mm fire-retardant thermal insulation using suitable adhesive. Civil & Support Works: The scope includes cutting and making good openings in walls, ceilings, and floors for pipe routing, along with the provision of wall brackets, angles, clamps, and supports for secure installation. All civil and structural support works shall be completed by the contractor as part of this tender as per tender condition. Make: KPT/Prince

PPR CHW Pipe - 130mm Inner DIA

PPR CHW Pipe - 102mm Inner DIA

PPR CHW Pipe - 90mm Inner DIA

PPR CHW Pipe - 73mm Inner DIA

PPR CHW Pipe - 61mm Inner DIA

PPR CHW Pipe - 51mm Inner DIA

PPR CHW Pipe - 26mm Inner DIA

Condensate drain piping of 25 mm PVC shall be provided complete with all required accessories. The drain line shall be laid with a minimum slope of 1:100 to ensure free flow of condensate. The piping shall be insulated with closed-cell phenolic foam insulation having a minimum density of 48 kg/m³, and thermal conductivity not exceeding 0.035 W/m·K at an average temperature of 53°C. The insulation shall be adhered using a manufacturer-recommended adhesive. Make: Supreme/ Astral/ Prince

Supply and installation of a 3-inch PVC pipeline to facilitate the drainage system for office spaces. The pipeline shall be installed along the building’s exterior wall, securely fastened and supported to ensure stability and durability. Appropriate accessories, such as connectors, clamps, brackets, and fittings, must be provided to enable proper functionality and ease of connection. Additionally, a provision must be made to extend the pipeline into the building above the ceiling to allow tenants to connect their respective drain pipes. This provision should ensure seamless integration with the internal drainage system and provide easy access for future connections. The pipeline shall also be connected to the PPR chilled water pipe for drainage purposes, ensuring efficient removal of condensate or other water discharge from the chilled water system. This connection must be properly conected prevent backflow, leaks, or any disruption to the chilled water system's performance. All the civil works and scaffolding necessary for the proper execution of the installation are included in the contractor’s scope of work. The contractor must ensure compliance with relevant building codes, safety regulations, and best plumbing practices while minimizing any disruption to existing structures. The final installation should provide a reliable and efficient drainage solution, meeting the operational needs of the building and its tenants. Make: Supreme/ Astral/ Prince

Supply, install, test, and commission manual butterfly valves with a PN-16 pressure rating, designed for efficient flow control in the chilled water system. The valves shall feature a cast iron body, a nylon-coated SGI (Spheroidal Graphite Iron) disc, an EPDM seat, and a stainless steel (SS 431) shaft for enhanced durability and corrosion resistance. The valves shall be of the wafer type and operated by a hand lever for reliable flow opening and closing functionality. The scope of work shall include the provision and installation of all necessary fittings and accessories, such as flanges, fasteners, and seals, to ensure a secure, leak-free connection with the piping system. The installation must take into account compatibility with PPR pipes, using appropriate transition fittings to prevent damage and ensure a robust and long- lasting connection. The valves shall be insulated as per the existing site conditions, using materials that prevent condensation and thermal losses while maintaining the operational integrity of the valve and piping system. The insulation must be properly sealed and installed to ensure a continuous thermal barrier. The contractor shall ensure that all valves are tested and commissioned to verify proper operation and compliance with the project specifications. The work must adhere to all relevant industry standards, tender requirements, and manufacturer recommendations, ensuring a fully functional, reliable, and durable system upon completion. Make:Honeywell/Advance/Audco

Suitable for 102 mm PPR pipe (INNER DIA)

Suitable for 73 mm PPR pipe (INNER DIA)

Suitable for 61 mm PPR pipe (INNER DIA)

Suitable for 51 mm PPR pipe (INNER DIA)

Supply, installation, testing, and commissioning of The energy metering valve for HVAC systems shall have a 25mm internal diameter (DN25) with a motorized 2-way or 3-way design, constructed from brass (CW617N) or stainless steel (AISI 304/316). It must operate within -20°C to +150°C and withstand a minimum pressure rating of PN16 (16 bar). The valve shall integrate ultrasonic/electromagnetic flow sensors (±1% accuracy) and PT1000 temperature sensors for ∆T measurement, with real-time energy calculation (kWh/kW) and 12-month data logging. Communication protocols BACnet MS/TP and Modbus RTU are mandatory for BMS integration, alongside alarms for overload, low flow, and sensor faults. Certifications must include CE, UL, RoHS, and MID (EU 2014/32/EU) for billing compliance. A local LCD display for configuration and a leakage class of Class IV (ANSI/FCI 70-2) or better are required. The valve shall be installed per manufacturer guidelines, ensuring proper flow direction, upstream/downstream straight pipe lengths (min. 5D/3D), and isolation flanges (DN25 PN16). Electrical connections must comply with IP54/IP65 standards, with shielded cables for signal lines. Post-installation, conduct a hydrostatic pressure test at 1.5×PN for 30 minutes to confirm leak-free performance. Calibrate flow and temperature sensors using certified tools (e.g., ultrasonic flow calibrator). Verify BMS communication via protocol analyzers (e.g., BACnet testing tools) and test alarms (low flow, sensor fault). Document all test results, including flow accuracy (±1%) and energy calculation validation against reference meters. Commissioning shall include BMS integration to ensure seamless data exchange (flow, energy, alarms) and setpoint adjustments. Configure valve parameters (e.g., Kv, ∆T limits) via manufacturer software. Validate energy billing accuracy using MID-certified reference systems. Provide the client with as-built drawings, test certificates, and a commissioning report, including BMS integration logs. Train facility staff on valve operation, data retrieval, and troubleshooting. Make:Belimo/ Siemens/ Danfoss

Supply, installation, testing, and commissioning of a ball valve suitable for 26mm ppr pipe of internal diameter with a two-piece design, made of stainless steel with a chrome-plated stainless steel ball. The valve shall have screwed (BSP/NPT) or flanged end connections as per system requirements, a minimum pressure rating of PN16/Class 150, and PTFE seats for leak-proof operation. It shall feature a lever handle with an anti-blowout stem design and be suitable for the system’s operating temperature range. Make:Leader/ Sant/ Kitz/ Advance

Supply, installation, testing, and commissioning of 3/8" Ball valve for CPO Activity with a two-piece design, made of stainless steel with a chrome-plated stainless steel ball. The valve shall have screwed (BSP/NPT) or flanged end connections as per system requirements, a minimum pressure rating of PN16/Class 150, and PTFE seats for leak-proof operation. It shall feature a lever handle with an anti-blowout stem design and be suitable for the system’s operating temperature range. Make:Leader/ Sant/ Kitz/ Advance

Supply, installation, testing, and commissioning of a 1/2" SS thermowell for CPO Activity ensures reliable protection for temperature sensors (RTD, thermocouple, or bimetal) while maintaining process integrity for precision temperature monitoring in HVAC systems.

Supply and install a 15mm air vent with a brass body, designed for efficient automatic air release in the chilled water system. The air vent shall be constructed from high-quality, corrosion-resistant brass to ensure durability and reliable performance under varying operational conditions. The installation shall include all necessary fittings and accessories to integrate the air vent seamlessly into the system. The work must adhere to relevant industry standards and tender specifications, ensuring a leak-free and efficient operation upon commissioning. Make:Anergy/Flamco/Amprol

Supply and install a weatherproof cladding system over the 50 mm thick Class O nitrile rubber insulation applied to the exposed PPR pipes in the chilled water system. The cladding system shall include a layer of glass cloth reinforcement and two coats of vapor barrier (Foster coating) to ensure comprehensive protection against weather, UV radiation, and moisture ingress. The glass cloth shall be securely wrapped over the nitrile rubber insulation, providing mechanical strength and a stable base for the vapor barrier. The Foster coating shall be applied in two uniform coats to achieve a durable and continuous vapor barrier, effectively preventing condensation and ensuring the long-term performance of the insulation. The coating must be compatible with the underlying nitrile rubber insulation and provide resistance to environmental wear and tear. The installation process shall include all necessary surface preparation to ensure proper adhesion of the coating. All seams, joints, and terminations shall be sealed meticulously to maintain a complete and leak-proof barrier. The contractor must ensure that the cladding system does not compromise the flexibility and expansion characteristics of the underlying PPR pipes and insulation. The weatherproof cladding system must comply with all relevant standards for durability, thermal efficiency, and fire resistance. The contractor shall conduct thorough inspections and testing during installation and commissioning to verify the integrity and functionality of the cladding system. All work must be executed as per the tender specifications and approved project requirements, ensuring a reliable and long-lasting protective solution for the exposed PPR pipes.

Supply and install 50 mm thick external thermal insulation made of Class O closed-cell nitrile rubber for exposed PPR pipes in the chilled water system. The insulation shall provide excellent thermal resistance, prevent condensation, and maintain energy efficiency under varying environmental conditions, while being fully compatible with the characteristics of PPR pipes. The insulation material shall be securely applied to the PPR pipes using approved methods and adhesives that do not compromise the structural integrity or chemical properties of the pipes. All joints, seams, and terminations must be sealed using appropriate techniques to ensure a continuous and airtight thermal barrier. The insulation shall be installed with adequate support and alignment to prevent sagging, displacement, or damage during operation. Special care must be taken to accommodate potential pipe expansions and vibrations, incorporating flexible sealing and fastening solutions as required. The installation must also include all necessary accessories, such as adhesive tapes, sealants, and fittings, to guarantee a professional and durable finish . The insulation system must be weatherproof to withstand outdoor conditions and include provisions to prevent water ingress or UV degradation. The Class O nitrile rubber insulation shall meet all relevant fire resistance and performance standards. All work must be performed in compliance with project specifications, tender requirements, and industry standards to ensure proper functionality, reliability, and long-term operational efficiency. The contractor shall ensure comprehensive testing and inspection of the insulation system during commissioning to verify its integrity and performance. Approved makes: Kflex/Armacell

Supply, Installation, Testing and Commissioning of MS Support. The work involves the supply, installation, and testing of Mild Steel (MS) structural supports for chilled water pipelines and associated valves in the chiller plant. The support structures shall be fabricated using MS L-angles of size 50×50×3 mm, specifically designed to provide robust and reliable support to the pipeline network. The scope includes the precise installation of these supports, ensuring proper anchoring, alignment, and integration with the existing chilled water pipeline system. Thorough testing shall be carried out to confirm the structural integrity and suitability of the supports for the intended application. All MS structures shall be painted with one coat of epoxy primer, followed by two coats of epoxy top coat. The application of paint shall strictly follow the manufacturer’s recommendations to ensure durability and protection against corrosion. Make:Tata/ Jindal

ELIXIRSOL (BID ID -2201583)

Hubert Enviro Care Systems P Ltd (BID ID -2204128)