Attachment 1 - RFQ 19SN1025Q0023 SOW.pdf

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STATEMENT OF WORK (SOW)

FOR

U.S. Embassy Singapore

Replacement of 22kV HT Panel Charger, Backup

Battery, and Transformer Oil Partial Discharge

Testing

Project at

Chancery

March 26, 2025

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Project:

Replacement of 22kV HT Panel Charger, Backup Battery, and Transformer Oil Partial Discharge Testing

1. Project Overview:

This Statement of Work (SOW) details the scope of work for replacing a 22kV High Tension (HT) panel charger and its backup battery system, along with partial discharge testing of two transformers. The project aims to ensure the reliable and safe operation of the existing electrical system.

2. Scope of Work:

2.1 HT Panel Charger Replacement:

• Removal of Existing Charger: Safe and efficient removal of the existing HT panel charger, including disconnecting all power and ensuring the safety of personnel and equipment. Detailed documentation of the removal process will be required to be submitted 10 days before the commencement of work.

• New Charger Procurement: The contractor will procure a new single-phase HT panel charger meeting the following specifications and the client's approval is required for the charger electronics. This approval must be obtained before purchase.

◦ Input: 230V AC, 50Hz, 7 to 8A

◦ Output: 125V DC, 8A

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Note: The contractor (standby engineer) is fully responsible for verifying and confirming the current capacity of the charger.

◦ Features: Voltmeter, Ammeter, Indication lights (AC ON, FLOAT, AC FAILS, HIGH VOLTS), voltmeter switch, input/output MCBs (AC/DC), earth fault test button, and marked labels complying with all relevant safety standards. The panel shall be appropriately sized for the application and environment.

• Installation and Commissioning: Installation of the approved charger, followed by thorough testing to ensure proper functionality and compliance with specifications. This includes a full load test and verification of all safety features.

• Compliance: The new charger must meet all applicable safety and regulatory standards (specify standards, e.g., Surge immunity of the electronic equipment).

2.2 Backup Battery Replacement:

• Removal of Existing Batteries: Safe removal and environmentally sound disposal of the existing batteries by all relevant regulations.

• Installation of New Batteries: Installation of ten (10) new 12V, 40.0Ah sealed rechargeable (maintenance-free) batteries. Each battery must have visible DANGER and WARNING stickers.

Batteries will be appropriately secured and protected from damage.

• Battery Testing: Testing of the new battery bank to verify capacity and functionality. A report detailing the test results will be required in the documentation.

2.3 Transformer Oil Partial Discharge Testing:

• Sample Collection: Collection of oil samples from two (2) specified transformers using appropriate techniques to avoid contamination. The location of the transformers and sampling points will be identified.

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• Testing and Reporting: Partial discharge testing of the collected samples by a qualified and accredited laboratory. The report should be the testing methodology, results, interpretation and The laboratory's accreditation details will be required to submit

2.4 Emergency Switching Engineer:

• Standby Engineer: The contractor will provide a qualified and experienced professional engineer to be on standby for emergency switching for 30 days following project completion. The engineer's contact information and qualifications and, the engineer's availability will be required to submit the same day the work is completed

3. Contractor Responsibilities:

• Project Management: The contractor is responsible for all aspects of project management, including planning, scheduling, procurement, installation, testing, commissioning, and cleanup.

• Coordination: The contractor will coordinate with the client to schedule the work and minimize disruption to operations. Will be required to submit it 10 days before the commencement of work.

• Safety: The contractor will require all work to be performed according to relevant safety regulations and best practices. A comprehensive safety plan will be required to be submitted 10 days before the commencement of work.

• Waste Disposal: The contractor is responsible for the safe handling and environmentally sound disposal of all waste materials, including old chargers and batteries.

• Liability: The contractor is full responsibility for any damage to equipment (HT Panel and others) during and after the replacement work, including repair or replacement of damaged components, until the end of the warranty period. This includes providing appropriate insurance coverage.

4. Documentation:

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The contractor is required to provide the following documentation:

• As-Built Drawings: Detailed drawings of the new charger panel installation, signed and stamped by a qualified engineer.

• Factory Test Reports: Hi-pot test report and other relevant factory test reports from the charger panel manufacturer.

• Manufacturer's Certificates: Certificates of origin and compliance for the charger panel and batteries.

• Battery Test Report: Report detailing the results of the battery bank testing.

• Transformer Oil Test Report: Complete report from the accredited laboratory on the partial discharge testing of the transformer oil samples.

• Safe Operation Certificate: Certificate from the standby switching engineer confirming safe operation after installation. This must be submitted on the same day the work is completed.

• Safety Plan: A detailed safety plan outlining all safety procedures and precautions, will be required to submit 10 days before the commencement of work.

All other documentation will be submitted within one month of project completion unless otherwise specified.

5. Warranty:

A minimum one-year warranty is required for both the charger panel and the batteries.

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6. General Safety Requirements

a. The contractor must be a registered company that allowed to accept and carry out Electrical Work in Singapore and must demonstrate and understanding of his/her responsibilities related to the Electrical Safety requirements by addressing hazards in preplanning processes and meetings.

b. Prior to starting a project, the contractor is required to review the work site and identify hazards that may occur while performing the job.

c. The contractor is expected to provide a “competent person” to implement Site Health and Safety plan and to oversee its compliance. A competent person is an individual who, by way of training and/or experience, is knowledgeable of applicable standards, can identify workplace hazards relating to the specific operation, is designated by the employer, and has authority to take appropriate actions.

d. The contractor is required to provide the proof of payment of local insurances (EPS, ARL) for all their employees that will be involved in the project. Likewise, the contractor is required to provide monthly payment documents of local insurance for the length of work.

e. The contractor will conduct a safety briefing before starting daily work.

f. Contractor personnel who have signs of drunkenness or who are under the influence of stimulants or hallucinogens will be denied entry to the work area.

g. The contractor shall ensure individuals working at the site are trained and aware of potential hazards.

The contractor shall ensure that these individuals are provided with proper safety equipment to prevent accidental injury in accordance with the requirements of the contract.

The contractor shall provide Personal Protection Equipment (PPE) for it employees

h. The contractor must accept the safety standards set by the US Embassy.

i. All workers must remove all necklace, chains, rings, watches and/or bracelets during the execution of work.

j. Smoking is prohibited at the work site and will use only designated area for smokers.

k. The contractor will report accidents to the COR who will pass the proper data to the POSHO or Safety

Coordinator.

7. Barricading and Warning Signs

a. The contractor must place provisional barricades and warning signs to maintain a safe and accessible path-of-travel for all pedestrians, including those with disabilities, to avoid accidents to third parties. Barricades alert others about hazards created by construction activities and should be used to control vehicular traffic around the work site as well.

b. Erect and maintain for the duration of the Contract proper barricades including fencing material, traffic cones, caution tape and temporary curb ramps complying with all access codes and regulations.

c. Ensure that no construction materials be stored and/or placed on the path-of travel.

d. Maintain the construction barriers in a sound, neat, and clean condition.

8. Personal Protective Equipment (PPE) Requirements

a. Contractor personnel must use personal protective equipment (PPE) required and in accordance with the contracted work.

b. The contractor is required to inspect and maintain spare PPE in case of damage, deterioration or loss of the equipment.

c. The PPE used must meet the technical specifications required by local regulation and international standards.

d. Sharp cutting tools must be carried in Tools Carrying Cases; under no circumstances they are to be

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e. In those tasks where PPE certified is required, the contractor must provide the current certification.

f. The contractor must provide records of PPE received for all the employees involved in the task.

9. Safety inspections requirements

a. All tools, equipment and/or machinery that will be used in the execution of the contracted work must be inspected by a competent person before starting the project.

b. COR and/or Safety representatives of the US Embassy may inspect equipment, tools and/or machinery of the contractor at any time and may request to change it if deemed necessary.

10. Hand and Power Tool Safety

a. The contractor must ensure the safety of tools and equipment used by its employees.

b. Inspected at regular intervals and maintained in good condition all tools in accordance with the manufacture’s specifications.

c. Ensure that tools are used for their intended purposes.

11. Emergency Response Requirements

a. In case of an emergency within the US Embassy facilities and/or during the execution of the contracted work, contractor personnel must follow the instructions given by the Embassy representative (escort) who is supervising the work, or security personnel.

b. The contractor must not obstruct emergency response equipment such as first aid kits, fire extinguishers, fire cabinets, defibrillators, spill kits, stretchers, eye wash stations or safety signs.

12. Electrical Safety

a. The contractor shall be fully comply with the Local Regulation and the Embassy Policies related with Electrical Safety practices and work to de energized to prevent any incident that may impact the health of Personnel, Embassy and Residential Electrical Systems.

b. It is Department policy that “live” parts to which an employee may be exposed to must be De-Energized before the employee can works on or near it. If De-Energizing them introduces or increased hazards or is unfeasible, contractor must contact the point of contact at the Embassy to report such situation before carrying out the work.

c. All personnel conducting electrical work shall be sufficient trained and considered as competent persons prior to performing the work.

d. The contractor should identify any potential sources of electrical source likely to cause death, injury, or serious physical harm.

e. Ensure all work is performed in accordance with Local Regulation and U.S. standards.

f. The contractor must provide the appropriate equipment and tools for the work in compliance with the requirements of the contract.

g. During the execution of work on the electrical system, contractor personnel must remove conductive items like so the jewelry, watches, rings, chains and/or bracelets.

h. Non-conductive (fiberglass) ladders should be used for electrical work or near electrical hazards.

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Additional Notes

The Embassy COR will work directly with the contractor ensuring all Safety Requirements are met as describe in this document and in case it is needed the COR will report to the Embassy POSHO or Safety Coordinator any deficiency found before or during the execution of the project.

In case the COR identifies unsafe acts or conditions that could significantly affect the health or safety of Embassy personnel, contractors, subcontractors, third parties or government property, the work can be stopped by the COR until the condition is fixed. If different work conditions appear during the project, the COR can indicate further safety requirements to the contractor.

The COR may share safety related information with the POSHO and Safety Coordinator to guarantee personnel safety and government property conservation.

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