RFQ 19FR6325Q0017 - Attachment 1 - Scope of work.pdf

19FR6325Q0017 – Replacement of gas boiler and chimney flue in a U.S Government Property located in Paris, France.

aSCOPE OF WORK - SPECIFICATIONS Replacement of gas Boiler and Chimney flue in Residence LEOPOLD II, 75016 Paris.

The US Embassy, Paris-France requires the replacement of the gas boiler installation by a condensing boiler installation, including the replacement of the chimney flue at the Government property located in Paris (75016). The works shall be done as per drawings, scope of work, specifications and general contract conditions. This project requires an experienced contractor to execute the works.

I. General

The Property shall be occupied during the works and the contractor shall take all necessary measures to avoid disturbances and nuisances to occupants.

The working hours shall be from 9:00 to 12:00 and from 13:00 to 17:00 Monday to Friday.

During American and French holidays, the Property shall be closed.

All work shall be performed in accordance with:

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

2. 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_n umber=1910;

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

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

II. General description & mandatory requirements

This installation is expected to be performed from June 2025 to July 2025.

This SOW applies to the replacement of the gas boiler per one gas condensation boiler in Paris (75016).

Equipment installation services shall comply with the following general standards and texts:

Plumbing work must comply with standards and in particular:

o NFP 41-100: Standard applicable to cold and hot water distribution.

o DTU 60.1.1.1: Compatibility between metals, electrolytic corrosion processes, protection of networks against freezing, condensation, bacterial and viral proliferation and scale.

o DTU 65.10: Central heating with hot water not exceeding 110°C, and distribution of hot and cold sanitary water.

Electrical work must comply with the standards and in particular:

o NFC standard 15-100: Low voltage installation, for installation and laying.

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

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

19FR6325Q0017 – Replacement of gas boiler and chimney flue in a U.S Government Property located in Paris, France.

The Supplier must have the regulatory equipment for work in the vicinity of the power lines:

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

o The contractor and their personnel must utilize the most direct access routes, confine themselves to designated locations and premises allocated for work execution, and refrain from entering or traversing other areas of the site.

o Escort services will be provided to the contractor and their personnel throughout the duration of the project.

o The company shall comply with the requirements of the NF-18.510 standard for electrical work.

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

o The contractor is deemed to have visited the premises (existing buildings and surroundings) and to have adequately assessed issues related to phasing, temporary installations, execution, procurement, handling, and site installation. Failure to acknowledge these issues during the project cannot be used to justify delays or additional expenses.

o The materials, components, and traditional assemblies selected must adhere to all current French and

European regulatory standards, as well as the specifications outlined in unified technical documents, specifications, and guides. Equipment and appliances must bear the N.F. or CE label. The qualities, characteristics, types, testing methods, marking, control, and acceptance of materials and prefabricated products, as well as the implementation methods, will conform to approved standards legally enforced at the time of contract signing. It is presumed that the contractor is acquainted with these standards. In instances where standards are absent, revoked, or justifiably exempted, particularly due to technical advancements, the contractor must seek approval from the Project’s Contracting Officer Representative

(COR) for their own albums and catalogs, or those of their suppliers. Each company, within its respective domain, is obligated to adhere to the following standards pertaining to both material quality and implementation. These standards, considered minimum requirements by the companies, will always be subject to the provisions of this document. If the document mandates higher quality or more meticulous implementation, the latter shall take precedence.

o The company shall have a minimum of 5 years of experience in the field of boiler installation and maintenance and provide references and examples of similar projects carried out recently.

19FR6325Q0017 – Replacement of gas boiler and chimney flue in a U.S Government Property located in Paris, France.

III. Details of installation:

Note: A study must be carried out and given to the project's COR for review and approval before any work is carried out.

a) Schedule:

The company must include a comprehensive work schedule detailing the following:

Deadlines for studies.

Delivery deadlines for various materials.

Implementation deadlines for installation works.

Testing schedules.

Additionally, the company should specify the number of hours allocated for the following activities:

Conducting studies.

Site supervision, including participation in meetings and overall site management.

Personnel assigned to execute the works.

Test implementation.

b) Demolition:

The contractor shall:

Check for the absence of leaks.

Proceed to a de-sludging on the old installation before removing the boiler.

Proceed to an electrical lockout of the gas boiler in the basement.

Shut Off and lockout of the gas.

Proceed to a drain of the water network.

Disconnect all control devices (resistors, thermostats, safety thermostats, pumps, etc.).

Remove all the old plumbing equipment. (pipes, valves, drains, non-return valves, pumps, etc.).

Remove circuit breakers, contactors, relays, wires and everything else linked to current operation of the old gas boiler.

Remove all the parts of the old chimney flue.

c) Detail of supply and the contractor shall:

Supply and install a 120 Kw gas condensation boiler, model WTC-GB 120-B from Weishaupt or equal.

Supply and install all the necessary system for the chimney flue in accordance with the manufacturer’s recommendations and approved by the COR.

Supply and install all the necessary plumbing materiel in accordance with the manufacturer’s recommendations, including all supports and fixings, and approved by the COR. (steel tubes, thermometers, isolation valves, anti-rust paint, gas valve, BS valves, TA valves, PVC, glue etc..)

Note: Hydraulic diagram will have to be submitted and approved beforehand by the COR of the project

Supply and install a WEISHAUPT Neutralization Device for WTC gas Boiler up to 300kW or equal.

19FR6325Q0017 – Replacement of gas boiler and chimney flue in a U.S Government Property located in Paris, France.

Supply and install a plate heat exchanger for separation, pumps, mud pot and softener (10L) in accordance with manufacturer’s recommendations.

Supply and install a domestic hot water tank WEISHAUPT, WAS 200 Eco/b, 300 liters or equivalent and approved by the COR, remove the old hot water tank from the site.

Supply and install an electric heating element WEISHAUPT, WEH F 3, 3kW or equal.

Supply and install a temperature sensor NTC 5k 5m for domestic hot water tank or equal.

Supply and install fitting parts for hot water, tubes etc in accordance with the manufacturer's recommendations and approved by the COR.

Supply and install a heating extension module WEISHAUPT WEM-EM-HK 2,4 with external sensor NTC 2k or equal.

Supply and install a WILO, YONOS MAXO-D 40/0.5-8 PN6/10 model 2120664, nominal diameter 40, maximum working pressure of 10bars, 230V, heating pump or equal.

Supply and install a WILO, STRATOS PICO-Z 20/0.5-6 model 4255431, maximum working pressure of 10bars, 230V, primary hot water pump or equal.

CHIMNEY FLUE REPLACEMENT:

Inspection of high and low ventilation points and their clearance.

Passage of the warhead for the control of the section and height of the chimney.

Installation of a stainless-steel flue liner including modular elements, finishing cone, and purge tee at the chimney base in accordance with manufacturer’s recommendations and the Engineering and Design Office.

Supply and installation of a rain cap on the chimney crown.

Installation of a thimble in stainless steel including supports, modular elements, elbows and cleaning hatches in accordance with manufacturer’s recommendations and the Engineering and Design Office.

Connection to the purge tee of the gas boiler from WEISHAUPT, type WTC A 210 and 120kW or equal.

Supply and installation at the chimney base of a ventilation grille and a marking plate (indicating diameter of the conduit and type) in accordance with manufacturer’s recommendations, with high and low ventilation rates, and approved by the COR.

Creation of a manometric connection on the thimble (diameter 150, in accordance with manufacturer’s recommendations and the Engineering and Design Office.)

Supply and installation of a PVC pipe for the evacuation of the condensate water in accordance with manufacturer’s recommendations and the Engineering and Design Office.

ELECTRICAL WORK:

Supply and installation of a compliant SCHNEIDER electrical cabinet or equal, enclosed in steel with a main protection switch for equipment and indicator lights for “Power On” and “Fault”, in accordance with manufacturer’s recommendations and approved by the COR. An electrical plan must be provided and approved by the COR before any work starts.

TECHNICAL ROOM WORK:

Proceed to a floor leveling.

19FR6325Q0017 – Replacement of gas boiler and chimney flue in a U.S Government Property located in Paris, France.

Paint the floor in gray.

Paint the walls gray up to 1m50 high (same gray as the floor) and the upper part in white.

Replace of all the boiler room lights.

Add safety lights to the installation.

COMMISSIONING:

The contractor shall:

Check for the absence of leaks.

Manufacturer’s Commissioning and testing.

Training of the personal on site on the new installation.

d) Cleaning and restoration of the site:

Note: After each day work, the contactor shall clean and avoid all dust storage on site. Contractor shall complete a waste tracking form (Attachment #4).

Remove the waste and transport it to the dump or a recycling center.

Remove tarps and other protections that have been installed.

Dust the premises affected by the work.

Scrape off glue, coating, resins and other dirt if necessary.

Proceed with cleaning equipment, floors and walls.

Ventilate the premises after the site cleaning is finished.

All of this needs to be checked and approved by the COR at the end of the cleaning session.

NOTE: All material must comply with the scope of work, specifications and general contract conditions and must be approved by the COR of the project before purchase and installation. The installation must comply with current “Qualigaz” standards.

o NOTE: The work shall be covered by a one-year warranty on parts and labor. During this warranty year, the system will be serviced twice to check that it is operating correctly.

o All the personnel that the Supplier assigns to carry out the maintenance work are entitled to work under power, in accordance with the provisions of the general instruction for the execution of live work on the electrical power distribution networks.