Attachment 1-A-C replacement in PBX room.pdf

E

SCOPE OF WORK

19FR6325Q0028

Two A/C replacement in PBX Room

2 Avenue Gabriel, 75008 PARIS

1 | P a g e 9

SCOPE OF WORK –

RFQ 19FR6325Q0028

Replacement of 2 Air Conditioning systems at the Chancery

I- General

The Scope of Work (SOW) detailed herein is designed for the replacement of 2 (two) Air Conditioning systems in PBX room at the chancery.

This project necessitates the engagement of a specialized and experienced contractor in this type of work.

The contractor shall be responsible for furnishing all labor, materials, tools, equipment, supervision, and any other necessary items to carry out the work in accordance with the defined scope of work and specifications.

Contractors are strongly encouraged to conduct on-site visits to verify the existing site conditions before developing their proposals. This firsthand assessment is crucial for ensuring accuracy and completeness in the proposal development process.

The Contractor shall be responsible for verifying all dimensions and site conditions before ordering any materials or commencing any work.

All materials and equipment incorporated into the project shall be new unless otherwise noted. The Contractor shall be responsible for transporting and safeguarding all materials and equipment required for the project.

During the performance of the work, any variations shall be priced and approved by the issuance of a contract modification before proceeding with the work and all costs associated with subcontracted services shall be borne by and be the complete responsibility of the Contractor under the fixed price of this contract.

2 | P a g e 9

Working hours are set from 9:00 to 12:00 and from 13:00 to 17:00, Monday through Friday. During American and French holidays, the Property shall be closed to allow for uninterrupted work.

If necessary and with a request made 48 hours in advance, schedules can be adapted. Any work required outside of these hours must be requested in writing and approved by the COR.

The following is a list of the U.S. national holidays and the legally observed local holidays for calendar year 2025. Please keep for reference.

3 | P a g e 9

II- Contractor requirements

2.1 – General requirements

All work shall be performed in accordance with:

A. The safety requirements of the EM-385-1-1 http://www.publications.usace.army.mil/Portals/76/Publications/EngineerManuals/EM_385-1- 1.pdf;

B. The safety requirements within the Occupational Safety and Health Standards https://www.osha.gov/pls/oshaweb/owastand.display_standard_group?p_toc_level=1&p_part_ number=1910;

C. Local French occupational safety and health requirement laws and regulations.

D. When there is a difference with the minimum requirements the more stringent requirement shall be followed.

E. For electrical work, the Contractor shall provide the appropriate certification per electrician:

“Certificat d’habilitation électrique” F. All work shall comply with all applicable French and European building regulations.

G. All standards, laws, decrees and circulars are assumed to be known and are not provided.

H. The applicable documents are those in effect on the first day of the pricing month, as defined in the Act of Commitment.

I. The service provider shall take all necessary measures to ensure the safety of people outside its company.

J. The Contractor shall give written assurance to the Contracting Officer that all subcontractors and others performing work on or for the project have obtained all requisite licenses and permits.

2.2- Safety requirements of the company staff

➢ The company shall comply with the requirements of the UTE C-18.510 standard for electrical work.

➢ The company shall comply with the requirements of the UTE C-15-100 Standard for electrical work.

➢ The company shall comply with the requirements of the certificate of competence in refrigerant fluids.

NOTE: Please provide the purchase receipt to the COR once the material is ordered.

http://www.publications.usace.army.mil/Portals/76/Publications/EngineerManuals/EM_385-1-1.pdf http://www.publications.usace.army.mil/Portals/76/Publications/EngineerManuals/EM_385-1-1.pdf https://www.osha.gov/pls/oshaweb/owastand.display_standard_group?p_toc_level=1&p_part_number=1910 https://www.osha.gov/pls/oshaweb/owastand.display_standard_group?p_toc_level=1&p_part_number=1910

4 | P a g e 9

2.3- Specific requirements

The Contractor shall:

➢ Submit the necessary qualifications for this type of work and provide proof of experience, including at least 5 completed jobs and references demonstrating experience in similar projects.

➢ Provide all necessary materials and resources for the execution and completion of the work.

Additionally, the Contractor shall furnish a written proof of liability insurance before commencing any work.

➢ Furnish to the Contracting Officer the necessary documentation proving that all potential subcontractors and workers involved in the project possess the necessary licenses and permits required by French law.

➢ Include a comprehensive “PPSPS – Plan particulier de sécurité et de protection de la santé” (Safety and Health Protection Plan) with their proposal, which conforms to the latest version of the Health, Safety, and Welfare at Work Act. This plan shall be well thought out and detailed enough to demonstrate that the contractor is proficient in conducting safe and professional operations and has prioritized a culture of safety in their business practices.

➢ Comply with all OSHA (“Occupational Safety and Health Administration”) standards relevant to the work being performed, as well as the requirements of the National Electric Code. The contractor shall also adhere to the rules and regulations of the National Fire Protection Association regarding the handling of flammable materials or mixtures, and any state or local health and safety requirements, whichever is more stringent.

➢ Before commencing site work, the contractor shall submit a final health and safety plan to the

SHEM inspector and the COR. This plan shall address all applicable OSHA requirements for the duration of the project. Throughout the project, the contractor shall follow the procedures outlined in the health and safety plan to ensure the protection of the health and safety of all individuals and property near the project site. The contractor shall maintain an on-site copy of the health and safety plan and ensure that all personnel have reviewed and are familiar with it. Additionally, all safety equipment referenced in the plan shall be present on-site and calibrated (if applicable) before any work begins.

➢ Adhere to the following work coordination requirement:

▪ All work shall be carried out in coordination with the Contracting Officer's Representative

(COR) at the specified locations.

▪ For substantive technical clarification on the scope of work, technical guidance, or questions, the FAC COR should be consulted.

▪ Any official changes or financial commitments shall be authorized by the Contracting Officer

(CO) through the issuance of a contract modification. No financial or changes to the scope of work can occur without written directions from the government procurement office and the CO.

5 | P a g e 9

➢ Provide a resource-loaded work schedule that clearly outlines the sequence of tasks, along with the associated resources and timeframes for each floor and each task.

➢ Submit identification information for all employees designated to work on-site to the COR, to be added to the approved Visitors Roster. The details should include full name, vehicle make, model, and registration number.

III- Detailed Scope of work

The work shall be carried out in two phases.

3.1 Phase 1 – UNIT 1

3.1.1. Removal:

The Contractor shall:

➢ Recover the refrigerant from unit 1 Liebert Emerson air conditioner type S10OA001VD02021FX05361 and the condenser for destruction.

NOTE: The certificate of gas destruction shall be given to the COR responsible for this project or to the HVAC Maintenance Inspector.

➢ Disconnect the electrical connection, water, PVC drainage and remove the air conditioner 1.

➢ Complete the removal of the refrigeration line associated with this air-conditioning unit.

3.1.2 Installation:

The contractor shall:

➢ Furnish and install 1 (one) Mitsubishi air conditioning type S-MEXT-GOO DX F1 OVER 013 S or equal and approved by of COR.

➢ Furnish and install 1 (one) Mitsubishi condenser PUZ-ZM125YKA2 or equal and approved (See diagram 1).

➢ Furnish and install 1 (one) Mitsubishi supply air plenum or equal and approved by the COR.

➢ Furnish and install 1 (one) Mitsubishi steam humidifier or equal and approved by the COR.

➢ Furnish and install a 3/8-5/8 insulated refrigerant line between the indoor unit and the condenser.

This refrigerant line shall pass through the false ceiling of the server room.

NOTE: The work shall include drilling, fixing, protection and lowering molding

A test of the system's tightness shall be carried out using nitrogen at a working pressure of 30 bar for 48 hours.

6 | P a g e 9

Pressurization shall be carried out in the presence of the project's COR or HVAC maintenance inspector.

➢ Provide 24-hour vacuum pulling.

➢ Top up with R32 refrigerant according to the length of refrigerant pipes installed.

NOTE: Commissioning shall be carried out by the manufacturer, Mitsubishi (or a certified Mitsubishi Technician for commissioning) and shall take place in the presence of the project COR or Maintenance Inspector HVAC.

➢ Furnish and install a PVC water supply and drain for the humidifier.

➢ Furnish and install a U1000RO2V 3G6mm2 cable between the server room electrical box and the outdoor unit.

➢ Furnish and install a Schneider Electric 3ph+N 20A/300mmA differential circuit breaker or equal and approved.

➢ Furnish and install a U1000RO2V 5G2.5mm2 cable between the server room electrical box and the indoor unit.

➢ Furnish and install a U1000RO2V 3G1.5mm2 cable between indoor unit and the outdoor unit.

➢ Furnish and install a Schneider Electric 1ph+N 10A/300mmA differential circuit breaker or equal and approved.

NOTE: All electrical connections between the distribution board and the circuit breakers of the electrical box shall be made with single-core flexible wires with cable ends.

➢ Top up with R32 refrigerant according to the length of refrigerant pipes installed.

NOTE: Commissioning shall be carried out by the manufacturer, Mitsubishi (or a certified Mitsubishi Technician for commissioning) and will take place in the presence of the project COR or Maintenance Inspector HVAC.

3.1.3 Commissioning for unit 1 :

The contractor shall:

➢ Add or remove refrigerant according to the length of pipe run and the manufacturer recommendations. (Usually, grams per meter over the maximum length).

➢ Measure the run current of the unit, refer to manufacturer’s nameplate and ensure inverter units are running at maximum.

NOTE: Electrical testing must be carried out by licensed technicians

➢ Flush the drain with 2-3 liters of water to ensure free water flow and no leaks.

➢ Put batteries in remote and set the clock or configure the wall controller in accordance with the manufacturer’s operation manual.

➢ Check the unit operation in all modes: heating, cooling, fan (all speeds), dry, auto.

➢ Check the blade swing function.

➢ Complete the warranty card if required.

➢ Instruct the customer in the use of the unit:

- Cooling – set to 22 - 24 Deg C with an outside temperature of +45°C.

- Drying Mode – lowers humidity without lowering temperature.

- Auto – maintains set point with heating and cooling,

- Ensure all tools and rubbish is removed from the U.S. Government property.

- All surfaces shall be protected to avoid marking and / or soiling.

7 | P a g e 9

The Contractor shall make sure to leave the site clean after the end of each working day.

3.2 Phase 2 – UNIT 2

3.2.1 Removal:

The Contractor shall:

➢ Recover the refrigerant from unit 2 Liebert Emerson air conditioner type S10OA001VD02021FX05361 and the condenser for destruction.

NOTE: The certificate of gas destruction shall be given to the COR responsible for this project or to the HVAC Maintenance Inspector.

➢ Disconnect the electrical connection, water, PVC drainage and remove the air conditioner 2.

➢ Complete removal of the refrigeration line associated with this air-conditioning unit.

3.2.2 Installation:

The contractor shall:

➢ Furnish and install 1 (one) Mitsubishi air conditioning type S-MEXT-GOO DX F1 OVER 013 S or equal and approved by of COR.

➢ Furnish and install 1 (one) Mitsubishi condenser PUZ-ZM125YKA2 or equal and approved (See diagram 1).

➢ Furnish and install 1 (one) Mitsubishi supply air plenum or equal and approved by of COR.

➢ Furnish and install 1 (one) Mitsubishi steam humidifier or equal and approved by of COR.

➢ Furnish and install a 3/8-5/8 insulated refrigerant line between the indoor unit and the condenser.

This refrigerant line will pass through the false ceiling of the server room.

NOTE: The work shall include drilling, fixing, protection and lowering molding.

A test of the system's tightness shall be carried out using nitrogen at a working pressure of 30 bar for 48 hours.

Pressurization shall be carried out in the presence of the project's COR or HVAC maintenance inspector.

➢ Provide 24-hour vacuum pulling.

➢ Top up with R32 refrigerant according to the length of refrigerant pipes installed.

NOTE: Commissioning shall be carried out by the manufacturer, Mitsubishi (or a certified Mitsubishi Technician for commissioning) and will take place in the presence of the project COR or Maintenance Inspector HVAC.

➢ Furnish and install a PVC water supply and drain for the humidifier.

➢ Furnish and install a U1000RO2V 3G6mm2 cable between the server room electrical box and the outdoor unit.

➢ Furnish and install a Schneider Electric 3ph+N 20A/300mmA differential circuit breaker or equal and approved.

➢ Furnish and install a U1000RO2V 5G2.5mm2 cable between indoor unit and the outdoor unit.

8 | P a g e 9

➢ Furnish and install a U1000RO2V 3G1.5mm2 cable between the server room electrical box and the indoor unit.

➢ Furnish and install a Schneider Electric 1ph+N 10A/300mmA differential circuit breaker or equal and approved.

NOTE: All electrical connections between the distribution board and the circuit breakers of the electrical box shall be made with single-core flexible wires with cable ends.

➢ Top up with R32 refrigerant according to the length of refrigerant pipes installed.

NOTE: Commissioning shall be carried out by the manufacturer, Mitsubishi (or a certified Mitsubishi Technician for commissioning) and will take place in the presence of the project COR or Maintenance Inspector HVAC.

The Contractor shall make sure to leave the site clean after the end of each working day.

3.2.3 Commissioning for unit 2 :

The contractor shall:

➢ Add or remove refrigerant according to the length of pipe run and the manufacturer recommendations. (Usually, grams per meter over the maximum length).

➢ Measure the run current of the unit, refer to manufacturer’s nameplate and ensure inverter units are running at maximum.

NOTE: Electrical testing must be carried out by licensed technicians

➢ Flush the drain with 2-3 liters of water to ensure free water flow and no leaks.

➢ Put batteries in remote and set the clock or configure the wall controller in accordance with the manufacturer’s operation manual.

➢ Check the unit operation in all modes: heating, cooling, fan (all speeds), dry, auto.

➢ Check the blade swing function.

➢ Complete the warranty card if required.

➢ Instruct the customer in the use of the unit:

- Cooling – set to 22 - 24 Deg C with an outside temperature of +45°C.

- Drying Mode – lowers humidity without lowering temperature.

- Auto – maintains set point with heating and cooling,

- Ensure all tools and rubbish is removed from the U.S. Government property.

- All surfaces shall be protected to avoid marking and / or soiling.

9 | P a g e 9

Diagram 1:

IV – Period of performance

The contractor shall start the work within 30 (thirty) calendar days after the contract award.

The contractor shall perform the entire work, phase 1 and phase 2, within 21 (twenty-one) calendar days after the work has started.

Diagram available at site visit