Procurement and Installation of a Generator (Minimum 100 kVA) with a Turnkey Automatic at Koh Tao

About the Role

Procurement and installation of a generator (minimum 100 kVA) with a turnkey Automatic Transfer Switch (ATS) at Koh Tao Community Waste Management Center (Koh Tao Valuable Waste Community Enterprise), Surat Thani Province, under the "MA-RE-DESIGN" project by WWF Thailand to mitigate frequent voltage fluctuations and outages and protect high-value waste-management machinery.

Objectives

• Procure a high-efficiency 100 kVA generator with specifications suitable for stabilizing power for heavy-duty waste-management machinery.
• Install an automatic backup power system to mitigate risks from power surges and brownouts and ensure machinery operates at full capacity.
• Ensure continuity of community waste management operations by overcoming local electrical infrastructure limitations.

Responsibilities

• Turnkey procurement, installation, testing, and handover of the generator and integrated ATS system.
• Logistics and transportation: full responsibility for shipping equipment to Koh Tao, including ferry logistics and crane services for safe positioning at the site.
• Engineering and installation: install generator and ATS, including main and control cabling (minimum 20 meters) routed through standard-compliant conduits.
• Load balancing: execute circuit connections to balance load from the 3-phase system across 1-phase machinery to ensure generator longevity and safety.
• Commissioning and performance testing: perform simultaneous start-up of heavy machinery to verify handling of inrush currents while maintaining stable voltage.
• Training: provide comprehensive training for local operators on usage, routine maintenance, and safety protocols.
• Provide complete documentation and handover, including technical manuals, wiring diagrams, maintenance guides, and warranty certificates.

Technical Specifications

• Power Rating: Minimum 100 kVA (Standby Power).
• Electrical System: 3-phase, 4-wire, 400/230V, 50Hz (0.8 pf, 1,500 rpm).
• Engine: Diesel, minimum 4 cylinders, water-cooled with standard radiator and fan.
• Enclosure: Silent-type canopy made of at least 2.0 mm thick steel, rust-proofed, with high-quality sound-absorbing lining.
• Controller: Digital control panel with status display and automatic shutdown for over-temperature and low oil pressure.
• ATS: Automatic Transfer Switch synchronized with the main grid and generator for seamless power transition.

Delivery and Installation

• Delivery Period: Completion within 10–15 days from the date of contract signing or purchase order receipt.
• Pricing: Proposed price must be all-inclusive, covering equipment, accessories, logistics to Koh Tao, and all installation expenses.

Warranty and After-Sales Service

• Warranty Period: Minimum twelve (12) months or 1,000 operating hours (whichever occurs first), covering parts and labor.
• Technical Support: On-site inspection at Koh Tao within 3–5 working days in case of defects during the warranty period, at no additional cost.

Payment Terms

• First Installment (60%): Upon contract signing and order confirmation.
• Final Installment (40%): Upon successful installation, load testing with heavy machinery, and final inspection/acceptance by the committee.

Deliverables

• One (1) unit of a 100 kVA Generator (Silent Type) with a fully integrated ATS system.
• Complete documentation set, including Technical Manuals, Wiring Diagrams, Maintenance Guides, and Warranty Certificates.
• Successful on-site demonstration of generator functionality during a simultaneous load test of heavy machinery and acceptance by the committee.

Acceptance Criteria

Successful on-site demonstration of the generator's performance during simultaneous load testing of heavy machinery and verification that the installation meets all electrical engineering and safety standards specified in the TOR. Handover of all required operation manuals and warranty documentation is required for final acceptance.

Proposal Submission & Inquiries

• Deadline for Submission: 26th May 2026.
• Proposal Submission: Proposals and quotations may be submitted in Thai or English via email to kewalint@wwf.or.th, wachiratepjun@gmail.com, and jutamartn@wwf.or.th.
• Inquiries: For further information or questions regarding this project, contact Eknarin@wwf.or.th.