Environmental Service Tenders

* Supply, Delivery And Installation Of A Multi-parameter Remote Sensing Device For Drinking Water Quality Testing *specifications* 1. Purpose: The Purpose Of This Specification Is To Outline The Requirements For A Real-time Water Quality Monitoring Device Capable Of Providing Remote Monitoring Of Drinking Water Quality Within Reticulation Reservoirs. The Device Aims To Ensure Continuous Monitoring Of Key Parameters To Maintain Water Quality Standards And Enable Timely Response To Any Deviations Or Contamination Events. 2. General Requirements: The Device Should Be Capable Of Real-time Monitoring Of Drinking Water Quality Parameters. It Should Be Capable Of Remote Monitoring And Data Transmission. The Device Should Be Designed To Withstand The Conditions Within Reticulation Reservoirs, Including Varying Temperatures And Pressures. It Should Comply With Relevant Industry Standards And Regulations For Water Quality Monitoring. 3. Water Quality Parameters To Monitor: The Device Should Be Capable Of Monitoring The Following Water Quality Parameters: ? Ph Level ? Turbidity ? Temperature ? Conductivity ? Total Dissolved Solids (tds) ? Free Chlorine ? Escherichia Coli (e. Coli) And Coliforms Detected Through Fluorescence As A Presence # Absence Detection, Or Measures The Specific Metabolic (enzymatic) Activity Of E.coli And Coliforms Or Equivalent Detection Technology. 4. Technical Specifications: ? Sensors: High-quality Sensors Capable Of Accurate And Reliable Measurement Of Drinking Water Quality Parameters. ? The Instrument Must Be Able To Detect Viable E Coli And Coliform Bacteria And Be Able To Differentiate Between E. Coli And Coliforms. ? The Instrument Should Have A Wide Range For Turbidity Measurements ? The Instrument Should Be Sensitive To Be Able To Detect A Ph Range From At Least 4 To 10 Ph Units ? Data Acquisition: A Data Acquisition System Capable Of Capturing Measurements From Sensors In Real-time. ? Communication: The Device Should Have Built-in Communication Capabilities For Remote Monitoring, Preferably Through Wireless Commu Nication Protocols Such As 3g/4g/lte And Supports Open Communications Protocols Including Mqtt As A Minimum. ? Power Supply: The Device Should Be Designed To Operate Either On Mains Power Or Have A Reliable Backup Power Source Such As Batteries To Ensure Uninterrupted Monitoring. ? Data Storage: Sufficient On-board Data Storage Capacity To Store Historical Data For Analysis And Trend Monitoring. ? Enclosure: The Device Should Be Housed In A Robust And Waterproof Enclosure Suitable For Installation Within Reticulation Reservoir. The Device To Be Ip68 Rated. The Device Should Be Able To Float Within The Reservoir While Anchored Or The Device Would Be Able To Be Suspended/ Submersed Into The Reservoir And Unaffected By The Water Level. ? Calibration: The Device Should Support Regular Calibration Of Sensors To Maintain Accuracy. ? Alert System: An Alert System Should Be Integrated To Notify Operators In Real-time In Case Of Any Deviations From Pre-set Water Quality Thresholds. ? User Interface: The Device Should Have A User-friendly Interface For Configuration, Monitoring, And Data Retrieval. ? Compatibility: The Device Should Be Compatible With Standard Data Management Systems For Easy Integration Into Existing Water Infr Astructure. 5. Installation And Maintenance: The Device Should Be Easy To Install Within Reticulation Reservoirs Without Requiring Extensive Modifications. It Should Be Designed For Minimal Maintenance Requirements, With Provisions For Sensor, Calibration, Cleaning And Replacement. Detailed Installation And Maintenance Instructions Should Be Provided Along With The Device. The Supplier Shall Ensure That All Components For Installation Is Supplied And Is Ip68 Rated Where Applicable (ip 68 Connection Cable), Anchoring For Floating Device Or Tube For Mounting (if Applicable), Etc. Professional Installation And Commissioning Services For The Remote Water Quality Monitoring Device. This Includes Labour, Travel Expenses, Accommodation If Applicable. 6. Compliance And Certification: The Device Should Comply With Relevant Standards And Regulations Governing Water Quality Monitoring Equipment. Certification From Re Cognized Authorities Validating The Device's Performance And Accuracy Should Be Obtained. 7. Documentation: Comprehensive Documentation Including User Manuals, Technical Specifications, And Troubleshooting Guides Should Be Provided With The Device. 8. Warranty And Support: The Manufacturer Should Offer A Warranty Period Covering Defects In Materials And Workmanship. Ongoing Technical Support And Maintenance Services Should Be Available From The Manufacturer Or Authorized Distributors. 9. Testing And Validation: The Device Should Undergo Rigorous Testing Under Simulated And Real-world Conditions To Ensure Its Reliability And Accuracy In Monit Oring Water Quality Within Reticulation Lines. 10. Environmental Considerations: The Device Should Be Designed With Environmentally Friendly Materials And Energy-efficient Operation. 11. Timeline: The Manufacturer Should Provide A Timeline For Production, Delivery, And Installation Of The Device. Contact Person: Ansie Smith 021 444 9144 Clause - 2.14.1 <(>&<)> 2.15 Provide, On Request By The Cct, Any Other Material That Has A Bearing On The Quotation Offer, The Supplier#s Commercial Position (including Joint Venture Agreements), Preferencing Arrangements, Or Samples Of Materials, Considered Necessary By The Cct For The Purpose Of The Evaluation Of The Quotation. If The Specifications Require The Supplier To Provide Samples/technical Data Sheets, These Shall Be Provided Strictly In Accordance With The Instructions Set Out In The Specification. If Such Samples /technical Data Sheets Are Not Submitted As Required In The Bid Documents Or Within Any Further Time Stipulated By The Cct In Writing, Then The Bid Concerned May Be Declared Non-responsive. Wherever Reference Is Made To Any Particular Trade Mark, Name, Patent, Design, Type, Specific Origin Or Producer, Such Reference Shall Be Deemed To Be Accompanied By The Words "or Equivalent" Nb: The Municipal Bidding Document 6.1 (mbd 6.1) Is Attached, In Order To Be Eligible For Preference Points Bidders Are Required To Submit A Duly Completed, Current Dated Mbd 6.1 Document With Supporting Documents With Each And Every Rfq Submission, Failure To Submit Will Result In Zero Point Allocation.

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