SDP-Sabarimala ENVTL-Operation and overhauling of sewage Treatment plant for monthly pooja and temple opening days from September 2025 to August 2026 including MnM festivals of 1201 ME (1 year)

Amount

Appendix-I - Overhauling STP & Replacement of Defective equipments

Labour charges for checking and necessary repairs of SCADA system at STP Sabarimala ensuring perfect and trouble free operation of all switches, pumps, motors, valves, visual monitors etc of STP. The rate also includes all repairs( software) associated with SCADA throughout the contract period

Supply and Installation of 75 kW / 100 HP Blower 2419 m3 /hr at Sewage Treatment Plant Site, Sabarimala with following specifications Power: 75 kW / 100 HP. Air Flow: 2419 m³/hr. Maximum Air Pressure: 0.5 KG/CM².Blower Speed: 1396 RPM. Torque: 123.80 Nm. Flow Type: Vertical flow. Lubrication: Twin lube system. Body Material: Cast iron for durability. - Noise Level: 90.0 dB(A) measured at 1.5 meters from the source. The scope of work includes Supply, transportation, Loading and unloading, of the blower unit. Installation of the blower, motor, VFD, and associated accessories, ensuring all components are securely mounted and aligned including all necessary mechanical, electrical, and civil works. (including piping connections to the blower, the required isolation valves, starters, and cabling ) The blower should be equipped with a variable Frequency drive (VFD) to allow for precise airflow regulation to meet varying load conditions. Testing, commissioning, and trial runs of the blower system. Training for plant personnel on operation and maintenance of the blower system. A comprehensive warranty shall be provided for the blower system covering manufacturing defects, performance issues, and parts failure for a minimum of 12 months from the date of successful commissioning of blower

Supply, installation, and commissioning of a DN350 ultrasonic flow meter, along with the necessary RS485 communication cable, control cable, and power cables, ensuring seamless integration with the SCADA or other control systems at the site. The firm/contractor is required to supply, install, and commission a DN350 ultrasonic flow meter at the Sewage Treatment Plant site for accurate, non-invasive flow measurement of liquids in pipelines. The flow meter must operate based on transit-time ultrasonic technology and be suitable for measuring flow rates within the specified range of 1 m³/h to 650 m³/h, with an accuracy of ±1%. The meter must include an LCD display to show flow rate, totalize, and operational data locally. The unit should be capable of supporting RS485 communication, The meter must be installed as a clamp-on type to allow non-invasive installation on the existing pipeline, ensuring no disruption to the operation. It should operate within a temperature range of 0°C to 60°C and withstand pressures up to 10 bar. The contractor is required to supply the necessary RS485 communication cables, control cables (3-core or 4-core), and power cables (minimum 1.5 mm²), all of which must be UV-resistant and industrial-grade for long-term durability. The contractor must ensure the flow meter is factory calibrated, and upon installation, they should perform on-site calibration to verify accuracy. Following installation, the system must be commissioned and integrated with the SCADA system, ensuring that the system operates smoothly and accurately. The firm/contractor is required to provide training for plant personnel on the operation, maintenance, and troubleshooting of the flow meter. A minimum 12-month warranty from the date of successful commissioning should be provided, covering manufacturing defects, performance issues, and any necessary repairs. Additionally, technical support must be available for troubleshooting during the warranty period. The entire system should be delivered, installed, and fully operational as per the specified requirements.

Supply, installation, and commissioning Decander Gear Box Unit The Decander Gear Box Unit, model SGT 150/24, with the following specifications - Gear Box Housing: Durable construction with precise fittings. - Model: SGT 150/24. - Gear Ratio: 8/24 for efficient torque transmission.- Spindle Diameter: Tr 60*12, optimized for mechanical performance. - Motor Coupling: Flange-ended for secure and stable connectivity. - Motor Drive Supply: Compatible with various industrial motor systems.

Supply, installation, and commissioning of a motorized valve (DN350mm) for the feed transfer line at the Sewage Treatment Plant (STP) site in Sabarimala, including integration with the SCADA (Supervisory Control and Data Acquisition) system for automated control and monitoring. The scope includes the supply, installation, and commissioning of a flange valve (DN350mm) (Valve Type: Motorized valve, DN350mm, made of corrosion-resistant materials like cast steel, stainless steel, or ductile iron.) for the feed transfer line at the Sewage Treatment Plant (STP) in Sabarimala. This includes the complete mechanical installation of the valve, ensuring proper alignment and secure connection to the pipeline using flanged connections The work also includes the installation of an electric actuator which will control the valve’s opening and closing operations, ensuring precise flow control. The scope further extends to the integration of the valve with the existing SCADA system, enabling remote monitoring and operation. provide real-time feedback on valve position, status, and any fault conditions. Additionally, all necessary electrical connections for the actuator, including communication wiring for SCADA, should be installed and configured.

Supply and installation of the Air Line Motorized Valve with the following specifications Valve Type: Flange end, 2.5-inch size. Power Supply: 400 VAC, 50 Hz. Housing and Cover: Made of aluminum for durability and lightweight. Insulation Class: Class F for thermal resistance. Position Indicator: Mechanical continuous position indicator for precise monitoring. Ambient Temperature Range: -10°C to 55°C. Limit Switches: 2 DPDT (Double Pole Double Throw) switches for control and feedback. Enclosure: IP67-rated, weatherproof for outdoor and harsh environments. Cabling: Includes feedback and power cables for seamless integration

Supply and installation of MCCB (Molded Case Circuit Breaker) with the following specifications (make Havells / Equivalent) • Current Rating: 250 amps. • Poles: 4-pole configuration for comprehensive circuit protection. • Breaking Capacity: 36 kA, ensuring effective interruption of fault currents. • Rotary Handle: Designed for ease of operation and control. • Blower Compatibility: Suitable for blower units 2 and 3.(100 HP)

Addition of PLC module including wiring with the following specifications Digital Inputs: 16 channels for monitoring switches, sensors, or other digital signals. Digital Outputs: 16 channels for controlling actuators, relays, or other devices. Analog Inputs: 4 channels for receiving signals from transmitters like temperature or pressure sensors. Analog Outputs: 4 channels for sending control signals to devices like valves or drives. Control Wiring and Cables: High-quality, shielded cables for reliable signal transmission and reduced interference. Control Relays: Used for switching and isolating circuits, ensuring safe and efficient operation.

installation of SQL software(Structured Query Language) with programming Plc logic development and programming Data storage , yearly, daily, Hour Report generation and addition a module Module to the PLC system The work include SQL Software Installation: Setup and configuration of the database management system tailored for structured data handling. PLC Logic Development: Design and programming of ladder logic or function block diagrams for automation. Data Storage: Scalable solutions for daily, hourly, and yearly data retention with secure backup mechanisms.

Blower Overhauling charges as per the direction of Engineer in charge the work also includes changing of oil changing of belts of blower (Blower 2 & 3)

Blower starter service charge (Blower 2 & 3) 75 kw/100 HP

Decanter movement mechanism , gear system over hauling and servicing charges

Overhauling of Decanter safety level sensors which involves the following Inspection: Assess the magnetic sensor and control relay for wear, damage, or malfunction. Cleaning: Remove dust, debris, or contaminants from the sensor and relay components. Testing: Verify the functionality of the 24 VDC PNP NO magnetic sensor and the 14-pin control relay with its base. Replacement: Replace any faulty parts, including the relay or sensor, with compatible components. Calibration: Ensure the sensor and relay are accurately calibrated for optimal performance. Reassembly: Securely reassemble the components and test the system for seamless operation.

Submerisable pump set (35 Hp) overhauling & servicing charges

Appendix-II - Operation of STP Part - A - Monthly Pooja 2025 September to 0ctober 2025 Operation of STP 26 days

Engaging labour - Operators ( SCADA ) (Should be a graduate and have minimum one year experience in the operation of sewage treatment plant or Effluent treatment plants should be familier with the concept of anaerobic and aerobic water treatment process Graduation certificate aswell as experience certificate of the operators should be submitted by the contractor ) Days 4 Operator per day(2Nos /shift) 26 days

Supply of hypochlorite 80 GPL (50 litre per day);for 26 Days (Actual comsumption as per site condition) 26x50=1300

Part - B - M& M festival 1201 ME ( Operation of STP for 68 days)

Engaging Technician(Chemist)(Should be a graduate qualified enough to conduct analysis of water for parameters like BOD,COD,ph, SS,O&G (1 Nos/ Day)

Engaging Technician(Electrical)(Should be a certified electrician should able to rectify the issues in blowers, pump set and othe electrical components without any delay) (1 Nos/Day)

Engaging Operators ( SCADA ) (Should be a graduate and have minimum one year experience in the operation of sewage treatment plant or Effluent treatment plants should be familier with the concept of anaerobic and aerobic water treatment process Graduation certificate aswell as experience certificate of the operators should be submitted by the contractor ) Days 6 Operator per day(2Nos /shift) 68 days

Supply of hypochlorite (80 GPL) at STP site.(200 liter /day ) litre for 68 days (68X200=13600 litres)

Part - C - Monthly Pooja 2026 February to August Operation of STP for 88 days

Engaging labour - Operators ( SCADA ) (Should be a graduate and have minimum one year experience in the operation of sewage treatment plant or Effluent treatment plants should be familier with the concept of anaerobic and aerobic water treatment process Graduation certificate aswell as experience certificate of the operators should be submitted by the contractor ) Days 4 Operator per day(2Nos /shift) 88*4

supply of hypochlorite 80 GPL (50 litre per day)(Actual comsumption as per site condition)

YUVA AUTOMATION (BID ID -2296017)