Upgradation and automation ...

Amount

NS Item

Comprehensive maintenance of complete system under this DNIT in all respect including replacement of any part and consumables including reagents of original make, general insurance of the system, SIM data cost, network and cloud storage etc for 1st year

Comprehensive maintenance of complete system under this DNIT in all respect including replacement of any part and consumables including reagents of original make, general insurance of the system, SIM data cost, network and cloud storage etc for 2nd year

Comprehensive maintenance of complete system under this DNIT in all respect including replacement of any part and consumables including reagents of original make, general insurance of the system, SIM data cost, network and cloud storage etc for 3rd year

Comprehensive maintenance of complete system under this DNIT in all respect including replacement of any part and consumables including reagents of original make, general insurance of the system, SIM data cost, network and cloud storage etc for 4th year

Comprehensive maintenance of complete system under this DNIT in all respect including replacement of any part and consumables including reagents of original make, general insurance of the system, SIM data cost, network and cloud storage etc for 5th year

Designing, providing, fixing, testing and commissioning of AUTOMATIC SHUT OFF VALVE Automatic shut off valve shall be provided as safety device for use with chlorine (Cl2) gas cylinders. System includes: - Automatic shut off valve for safety in case of chlorine (Cl2) gas leakage. Operating Procedures: - The system will consist of electronically controlled precision actuators for automatic operation of chlorine (Cl2) gas cylinder valve in case of an emergency. The system shall be compatible with existing chlorine gas leak detectors installed at site and shall automatically operate the chlorine (Cl2) cylinder valve through the output signal from the leak detector in case of chlorine (Cl2) gas leakage. Technical Specification: - I. Performance Requirements: - 1. Installation on existing chlorine (Cl2) gas cylinders 2. Attached to valve body 3. “Clamp on system” allowing the actuator attachment and detachment from the valve body in seconds 4. Adjustable torque to fit any specific regulations and requirements 5. Valve closure in less than 30 seconds 6. Actuator minimum step angle: Upto 1° II. Operational Requirements: 1. Housed in an IP65-rated enclosure. 2. Compatible with chlorine (Cl2) gas leak detectors having any analog or digital output with provision for auto-calibration with the leak detector. 3. Has an actuator memory and control unit so that the system has real-time update of cylinder valve status. 4. Utilizes an electronic actuator with an independent driver for precision in valve operation. 5. Provides a variable closing torque of 10-20 ft-lb which can be manually adjusted. 6. Utilizes a chlorine resistant coating of Teflon/Xylan on the housing of the actuator to ensure protection of internal components of the actuator. 7. Utilizes a status light to indicate operating status. 8. Includes provision for manual operation of chlorine cylinder valve. 9. Includes an electronic switch for manual operation of the cylinder valve. 10.Includes capability to actively monitor all internal components and present diagnostics on the overall health of the system and time to next required maintenance. 11. Provides step-by-step, on-screen instructions for all routine maintenance activities. III. Environmental Requirements 1. Power Supply: 220 VAC 2. Degree of Protection: IP65 3. Closing Torque: 10-20 foot per pound 4. Operating temperature: 41 to 104 °F (5 to 50 °C) 5. Operating humidity: 0 to 95% non-condensing relative humidity Installation: - 1. Contractor/Agency will install the Emergency chlorine gas dry scrubber in strict accordance with the manufacturer’s instructions and recommendation. 2 . Contractor/Agency after installation will provide basic training for operation to the staff free of cost. 3. Contractor/Agency will use original spares for maintenance.

“Designing, providing, fixing, testing and commissioning of CHLORINE GAS DRY MEDIA SCRUBBER consisting of support structures, ductwork for scrubber, blower, dry scrubbing tank, dry scrubbing media, piping, motors, controls, exhaust system and other essential accessories Chlorine gas dry media scrubber shall be provided as a safety device for use with chlorine (Cl2) gas cylinders in case of emergency. System includes: - Chlorine gas dry media scrubber for safety in case of chlorine (Cl2) gas leakage at site by scrubbing of chlorine gas consisting of: - 1. Instrumentation with hood and ducting 2. Exhaust blower 3. Scrubber with packed bed 4. Vents to atmosphere 5. Control Panel 6. Prefab Porta Cabin of size 1.83 metre X 1.83 metre and height 2.2 metre with one side slope design with 50mm PUF wall panels and Pre Painted galvanized (PPGI) sheet at 20/60 mm corrugated PUF roof panels with Pre-painted galvanized (PPGI) sheet with door, windows etc. complete in all respect Operating Procedures: - The CHLORINE GAS DRY SCRUBBER will consist of non-toxic dry scrubbing media that can scrub chlorine (Cl2) gas with high efficiency. The dry scrubber shall be compatible with existing chlorine gas leak detector installed at site and shall automatically operate through the output signal from the leak detector in case of chlorine (Cl2) gas leakage. Technical Specification: - I. Performance Requirements: - 1. Ducted with full vacuum chlorination system shed. 2. Quantity of the media should be such so that it can scrub a minimum of 100 Kg chlorine (Cl2) gas. 3. System activation on leakage detection by chlorine gas leak detector. 4. Non-toxic, non-hazardous and landfill disposable dry media II. Operational Requirements: - 1. Housed in an IP54-rated enclosure. 2. Compatible with chlorine (Cl2) gas leak detectors having any analog or digital output with provision for auto- calibration with the leak detector. III. Environmental Requirements: - 1. Power Supply: 420AC 2. Blower speed: 1400 cubic feet per minute (cfm) 3. Removal Efficiency: 99% 4. Removal capacity of media: Minimum 15% by weight 5. Operating temperature: 0 to 50 °C 6. Operating humidity: 0 to 95% non-condensing relative humidity Installation: - 1. Contractor/Agency will install the chlorine gas dry scrubber in strict accordance with the manufacturer’s instructions and recommendation. 2. Contractor/Agency after installation will provide basic training for operation to the staff free of cost. 3. Contractor/Agency will use original spares for maintenance.”

Designing, providing, fixing, testing and commissioning of ONLINE WATER QUALITY ANALYZER for testing of available chlorine and turbidity in water One No. continuous online monitoring of available chlorine and turbidity analyzer shall be provided for monitoring the water supply at delivery. System includes: - Online available chlorine and turbidity analyzer for continuous and online monitoring of drinking water. Operating Procedures: - 1. The method of measuring available chlorine will be colorimetric. Instrument chemistry will employ N, N-diethyl-p phenylenediamine (DPD) method. 2. The low range online turbidity-meter consisting of white light source and 360° x 90° detection system consisting of multiple light sensors with predictive diagnostics designed to monitor turbidity in a sample stream. Technical Specifications: - I. Performance Requirements for available chlorine: - 1. Measurement range: 0 to 10 mg/L (ppm) available chlorine 2. Accuracy: ± 5% of reading or ± 0.1 mg/L (ppm), whichever is greater from 0 to 5 mg/L (ppm) as Cl2 3. Resolution: 0.1 mg/L (ppm) 4. Repeatability: 5% of reading or 0.1 mg/L (ppm), whichever is greater 5. Configurable Cycle Time: 2.5 minutes to 10 minutes II. Performance Requirements for turbidity 1. Detection Limit: 0.1 NTU 2. Accuracy: ± 5% of reading ± 0.1 NTU from 0 to 5 NTU based on formazin primary standard at 25°C 3. Resolution: 0.1 NTU 4. Repeatability: 5% of reading or 0.1 NTU, whichever is greater based on formazin primary standard at 25°C 5. Configurable Cycle Time: 30 seconds to 10 minutes III. Operational Requirements: 1. Housed in an IP65-rated enclosure. 2. Capable of measuring available chlorine by indicator and buffer solutions. 3. Has an auto clean mechanism for cleaning of colorimetric measurement cell. 4. Has an proprietary mixer/inner activated mixer/mechanical mixer for mixing of reagents in the colorimetric measurement cell. 5. Measurements to be taken regularly and results are displayed on a controller display and web-enabled display in the range of 0 to 5 mg/L(ppm). 6. Utilizes electronically controlled motor drivers for precise input of water sample and reagents for colorimetric measurement cell. 7. Connects to a standard controller, which controls and provides power to the analyzer. 8. Performs a blank reference measurement check between analysis points to compensate for sample color, turbidity, and changes in light intensity due to voltage fluctuations or light source aging. 9. Operates with an LED light source. 10. Capable of operating unattended for 30 days between chemical reagent changes and measurement cell cleaning. 11. Utilizes a status light to indicate operating status. 12. Utilizes level indicator sensors in reagents to inform when reagent levels are low and in need of replacement. 13. Includes capability to actively monitor all internal components and present diagnostics on the overall health of the analyzer and time to next required maintenance. 14. Provides step-by step, on-screen instructions for all routine maintenance activities, including reagent changes, tubing changes, and cell cleanings. 15. Connects to a cloud-based standard controller and is capable of providing remote monitoring of measurement and instrument data on a web-enabled device. Auto-transmission of these data to an IT platform through Cellular (GSM, GPRS,4G/LTE,5G, NB-IoT), LoRa or other RF technology. IV. Environmental Requirements 1. Sample flow rate: 20 to 100 mL/minute through the analyzer 2. Operating voltage: 220 VAC 3. Sample temperature: 5 °C to 50 °C 4. Operating temperature: 0 °C to 50 °C 5. Operating humidity: 0 to 95% non-condensing relative humidity Installation: - 1. Contractor/Agency will install the analyzer in strict accordance with the manufacturer’s instructions and recommendation. 2. Contractor/Agency after installation will provide basic training for operation to the staff free of cost. 3. Contractor/Agency will use original spares for maintenance.

Designing, providing, fixing, testing and commissioning of VACUUM-OPERATED AUTOMATIC SWITCHOVER SYSTEM compatible with the existing gas chlorination system. One No. auto-switchover system including standby chlorinator for the existing one no. gas chlorinator shall be supplied for round the clock disinfection of filtered water. System includes: - Auto-switchover system with standby gas chlorinator having capacity upto 2000 gm/hr for continuous disinfection through chlorine (Cl2) in water consisting of: - (a) Auto-switchover module (b) Full vacuum chlorination system in all respect consisting of (i) Regulator (ii) Measuring Tube (iii) Ejector (iv) PF Tubing (v) Spanner Operating Procedures: - Vacuum operated automatic switchover system should be compatible with the existing gas chlorination system designed to automatically switch chlorine feed from an empty cylinder/faulty system to a full cylinder/standby system to ensure round-the-clock disinfection even when the system is unattended. Technical Specifications: - I. Auto-switchover module: - 1. Vacuum based auto-switchover module having two independent chlorination systems. 2. Auto switching of chlorination system on the signal output of vacuum sensors installed. II. Gas Chlorinator having capacity of 2000 gm/hr.: - 1. Vacuum Regulator: - (i) Constructed using fiberglass reinforced ABS(acrylonitrile-butadlene-styrene) -carbon black for high UV resistance. Fiberglass reinforced ABS – carbon black has excellent strength, mechanical crack resistance and dimensional stability. (ii) Main Regulator Diaphragm constructed using ECTFE (ethylene chlorotrifluoroethylene). (iii) Body bolts constructed using Titanium. Titanium has excellent resistance to chlorine gas and is completely unaffected by it. (iv) Loss Of Chlorine Supply indicator 2. Measuring Tube : - (i) Manual control of chlorine gas dosage through control of gas upto 20th part of maximum dose. (ii) Visible markings on the measuring tube for visual checking and setting of chlorine gas dosage being injected into water. (iii) Constructed using fiberglass reinforced ABS -carbon black for high UV resistance. Fiberglass reinforced ABS – carbon black has excellent strength, mechanical crack resistance and dimensional stability. (iv) Variable area precision Borosilicate glass tube with Pyrex glass indicating float with English and Metric graduations. 3. Ejector : - (i) Maximum Back Pressure Resistance of the ejector - 200 PSI (pound per square inch)/ 13.78 Kg/cm2. (ii) Dual check valve for High/Low Back Pressure. (iii) Constructed using fiberglass reinforced ABS - carbon black for high UV resistance. Fiberglass reinforced ABS – carbon black has excellent strength, mechanical crack resistance and dimensional stability. Environmental and Operational Requirements: 1. Operating voltage 220 VAC 2. Maximum Inlet Pressure of water: 200 PSI (pound per square inch)/ 13.78 Kg/cm2 3. Operating temperature: 0° C to 50° C 4. Operating humidity: 0 to 95% non-condensing relative humidity Installation: - 1. Contractor/Agency will install the auto-switchover system in strict accordance with the manufacturer’s instructions and recommendation. 2. Contractor/Agency after installation will provide basic training for operation to the staff free of cost. 3. Contractor/Agency will use original spares for maintenance.