Attachement A- Scope of work 19FR6320Q0066- Renovation of Parquet Floors.pdf

ATTACHMENT A - SCOPE OF WORK

Repair/ renovation of parquet floors at the George C. Marshall Center- 2 Rue Saint Florentin, 75001 Paris

RFQ 19FR6320Q0066 July 9, 2020

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DIVISION 1 - GENERAL REQUIREMENTS

PROJECT SUMMARY AND INFORMATION

1.A PROJECT DIRECTORY

1.A.i Project Identification

REPLACEMENT of parquet floors in the salons of the George C. Marshall Center.

2, rue Saint Florentin, 75001 Paris, France.

OBO Property No X04004

The Marshall Center is located in the Hôtel de Talleyrand which is on the US Secretary of State Register of Historically Significant Properties. All work should be performed to the US Secretary of Interior Standards for Preservation or a local equivalent.

1.A.ii Client

U.S.EMBASSY

James Emery Office A-M5 2, avenue Gabriel, 75008 Paris, France.

1.A.iii Architect

ATELIER MEINECKE

54, avenue Marceau 75008 Paris, France.

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1.B SUMMARY OF WORK

1.B.i The existing, modern, parquet floors [installed during the 20th century], laid on timber [pine] and chipboard supports have deteriorated due to:

heavy usage;

successive rubbing-down of the surfaces [which has reduced the thicknesses of the tongue and grooved joints]:

central heating [which has dried out the timber – causing it to “shrink” and become “brittle”.

During a renovation of the property below-floor air-conditioning [ducts, pipes, fan-coil units] and new electrical wiring were installed in the salons. To accommodate these installations the timber supports of the parquet floors were cut out and replaced with steel crossbars covered with chipboard. Ventilation grids have been incorporated at each window and between each window.

To expose the fan-coil units for maintenance and/or repair, sections of the parquet flooring have to be removed. Refer to attached pictures and schematic section of existing conditions.

1.B.ii This Scope of Works is for:

- the replacement of the parquet floors and part of its supports

- the installation of vertically removable floor access panels for fan-coil units and access traps for electrical and audio plugs

- the preservation of all existing ventilation grids

In following salons:

- the Grand Reception Room (220);

- the State Office (219);

An installation report including as built drawings and recommendations for maintenance of the new flooring shall be provided at the end of the project.

Repair of some defaults of the existing parquet at other rooms of the second floor is included but should be quoted as optional.

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1.B.iii Preparing work:

Shop drawings:

The Contractor shall create exact floor plans and shop drawings indicating the size and orientation of the panels which represent a continuous pattern throughout the State Office and the Grand Reception Room and following information:

- Position of all ventilation grids

- Position of the vertically removable parquet panels for access to the maintenance of the fan coil units

- Position of the access traps to the electrical and audio plugs

- Shop drawings need to show each piece number in each panel number, panel orientation, fasteners, hardware, etc.

The attached drawings are indicative. The contractor shall await owner review and approval of his shop drawings prior of installing parquet on site.

Sample:

The contractor shall provide a sample of approximately 100 x 100cm Versailles parquet flooring as specified hereafter including:

- 2 access traps to the retractable handles needed for the vertically removable parquet panels

- 1 access trap to the electrical and audio plugs The contractor shall start the production of the parquet once the sample is approved by the client.

1.B.iv Removal of existing parquet and subflooring

Parquet:

All existing parquet shall be removed and evacuated. Following items shall be preserved on site, at its original position:

- All ventilation grids incorporated to the existing parquet

- All accessories of the doors and the windows (strikes, door blockers)

If required, baseboards shall also be removed but preserved on site and reinstalled at the end of work. Any damage of wood or paint finish will be the responsibility of the contractor to return to previous state.

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Subflooring:

At areas above the existing fan coil units the subflooring consists of removable chipboard panels approximately 22mm thick. These areas are estimated up to 30% of the surface of each salon.

Work will require replacement of the chipboard under the removable access panels.

At all other areas existing subflooring made out of pine boards shall be completely removed and evacuated.

1.B.v New subflooring

Replacing of the existing subflooring:

The position and pattern of the new Versailles parquet panels will be different from the existing parquet pattern, refer to attached drawings. Adjusting of new subflooring will be necessary at each fan coil where access for maintenance is needed.

Material of the new subflooring

Plywood approximately 22mm thick (samples and technical sheet to be provided by the contractor). The aim is to ensure sufficient rigidity of the new subflooring. The thickness of the plywood and the rigidity shall be adjusted to the distance of its support in order to ensure 100% rigidity.

At all other areas:

The contractor shall verify the solidity of the existing sleepers and repair or consolidate them where required.

A new subfloor shall be provided and installed in order to homogenize it with the new subfloor above the fan coil units. Plywood panels shall be solidly nailed on the existing sleepers. Its thickness shall be adapted to the remaining void between the sleepers and underside of the parquet.

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1.B.vi New parquet

The contractor shall manufacture and lay new parquet in continuation of the existing Versailles parquet in the Oval Room (218) and State Bedroom (217). The locations and quantities of this new parquet are as follows:

- 219 State Office (approximately 49sqm, not including the chimney)

- 220 Grand Reception (approximately 71sqm, not including the chimney)

Refer to attached layout plan, which is indicative. The contractor shall provide his own shop drawings for approval [refer to1.B.iii].

The ‘pattern’ of the parquet within the sections shall be an aged parquet de Versailles pattern, approximately 22mm thick oak (as per existing parquet). Hereafter the manufacturing specifications of the parquet as it has been carried out at the adjacent salons.

The work shall consist of:

- manufacturing a French style parquet in new oak cut grain and against the grain treated and assemble identically as old parquet following the specifications given in the treaty given from the “maître menuisier André- Jacob Roubo”

- Oak quality shall be selected according to class 4 norm EN460, (Classé class 4 par la norme EN460), it should be knot free (sans noeud) and rift sawn (débité sur quartier).

- sanding each piece one by one, gently brushing to slightly accentuate the wood grain, polish and burnish the edges with a sharpener - this process will help to obtain irregularities that will look like aged parquet.

- aging of timber through oxidizing before installation; apply to each timber board finish face and the tongue and groove edges (this process is important because it allows the tint to look similar to the old natural wood)

- apply light and golden stains to harmonize the tones and make them luminous

- in the workshop, apply two layers of new wax and polish with a goose feather brush while waiting for the final wax polish after the laying of the original parquet

- parquet panels shall have tongue and grove except those which will be vertically removable (tongue only at one side)

- lay the parquet and level on the new subflooring – all panels and boards nailed on the under flooring but still removable in case access is required to the void under the subflooring.

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- apply of natural polish with heat

- apply light tinted polish to give the ensemble a warmer color to accentuate the aging and to emphasize the joints

- brush and polish

Work shall include the incorporation of following items:

- removable panels (approx. 30%) as shown in attached drawings

- all existing ventilation grids to be maintained at their position

- all accessories of the doors and the windows (strikes)

- access traps to the electrical and audio plugs [refer to1.B.vii]

- vertical removable access panels for each below-floor fan-coil units [refer to1.B.viii].

Finished floor level:

Considering the age of the building, the existing floor level is not perfectly horizontal. The finished floor level of the new parquet shall be adjusted to following existing conditions and items:

- finished floor level (parquet) at adjacent salons 218 and 221

- finished floor level of the marble around the chimneys

- finished floor level at all baseboards

- all ventilation grids incorporated to the existing parquet

- all accessories of the doors and the windows (strikes)

1.B.vii Access traps for electrical and audio plugs

The contractor shall incorporate access traps to the existing electrical and audio plugs. The locations and quantities of these traps are as follows:

- 219 State Office – 3;

- 220 Grand Reception Room – 7

Material, hinges and lock of the access traps shall be similar to the existing traps, incorporated to a square component of the Versailles parquet panel:

- Brass eyelet: interior diameter 6mm, exterior diameter 9mm

- Key square section of 3mm (the contractor will provide 5 keys)

- Retractable flap for the electrical cables on brass hinges

Refer to attached pictures of existing access traps

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The pattern of the new parquet will be different from the existing pattern. The position of the existing plugs might have to be adjusted in order to meet with the position of the new access traps. When required the plugs shall be repositioned by the electrician of the client.

1.B.viii Removable parquet panels

The contractor shall incorporate 6 vertically removable sections of parquet flooring – approximately 100cm x 100cm - above each air-conditioning, below-floor, fan-coil unit. The locations and quantities of the fan-coil units are as follows:

- State Office – 2;

- Grand Reception Room – 4

Attached pictures show recently installed removable panels with hidden handles. At these panels the under flooring is attached to the removable parquet panel incorporating the hidden handles.

These vertically removable panels will have tongue only at one side and no groove at all.

At each removable panel 2 access traps to the retractable brass handles shall be provided. They will be similar to the traps of the electrical plugs specified above but without the retractable flap for the cables. The size and the method of fixing the handles on the plywood shall meet with the weight of the removable parquet panel.

Refer to pictures of existing removable panels, attached

All other removable panels specified in the drawings shall be assembled per tongue and groove and or any suitable detail that will guarantee the hold of the panels while facilitating removal for bi-annual maintenance of the fan coil units.

The contractor might suggest another solution than the one proposed above but it should be presented with the sample of parquet panel and approved by the client.

1.B. ix Repair of existing parquet at second floor (Optional)

In several rooms including 214 Grand Dining Room, 217 State Bedroom and 218 Oval Room, access traps and hinges have been damaged. The contractor shall assess all existing traps and indicate those needing repair on a floor plan prior to repair or replacement. The contractor shall show samples that will be revised or approved by the client. Estimated total number of access traps to be repaired in these and other rooms: 10

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In 223 Harriman Antechamber some floorboards of the square panels have been damaged and shall be repaired. Refer to drawing n°1 attached showing the position and the pictures of the damages. The estimated number of panels to be repaired is 11.

In Antechambers 221 and 225 some floorboards have been damaged and shall be repaired or replaced. The estimated number of repairs shall be 6.

Between 226 Antechamber and the adjacent corridor the parquet is globally damaged due to heavy traffic at this area. The contractor shall replace all boards as shown on the picture below, including one board in 226 Antechamber.

If necessary, the existing subflooring or the sleepers shall be repaired. Finish shall be as per existing at 226 Antechamber (tint, waxed)

For all of the above, the location of the damaged panels shall be noted on a floor plan and approved by the client.

The contractor shall replace existing floorboards with new ones which shall employ the same wood as the existing ones: wood quality and tint.

Prior of replacing these floor boards the contractor shall show samples for each room that will be reviewed and approved by the client.

In 218 Oval Room 2 floorboards between the removable panels are not flush with the adjacent panels. The contractor shall adjust the subflooring in order to remove this defect.

In 215 Rothschild Dining the screws of a removable parquet panel next to the 214 Grand Dining Room do not hold and need to be repaired

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1.B. x The Contractor shall furnish all supervision, labor, materials and equipment needed to carry out the works.

1.B.xi Prior to works commencing in any of the salons, mirrors and their sculpted frames, fireplaces, chandeliers, and wall sconces shall be protected by the contractor.

Curtains, valences and wall coverings shall also be protected by the contractor using specialized subcontracting approved by the US Government. See pictures and protection specifications in Division 4. Heritage items shall be removed by the USG.

1.C CONTRACT TIME FOR COMPLETION

1.C.i It is anticipated that the works shall take up to 8-weeks for fabrication and 4 weeks for installation in the State Office and the Grand Reception Room.

The sequence of the work in the various salons shall be agreed by the US Government.

It is anticipated that the works shall commence in Autumn 2020.

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1.D HOURS OF WORK, WORKDAYS AND GOVERNMENT HOLIDAYS

1.D.i Work shall be performed under this contract during the normal workdays of Monday through Friday, except US and French Government holidays, and the normal work hours of 9:00 AM to 5:00 PM Monday through Friday. Noisy work will only be permitted between 7:30-9:00 a.m. or all day on Saturdays upon request.

1.D.ii 2020 US and French Holidays

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1.E CONTRACTOR’S QUOTATION FOR THE WORKS

1.E.i The contractor shall submit a quotation based on a room by room basis.

1.E.ii The US Government reserves the right to place an order for the works to be carried out in some or in all of the rooms.

1.E.iii The Contractor shall provide qualified certificate of Qualibat 4343 Parquets Traditionnels (technicité supérieure) and provide examples of similar projects in historic structures.

DIVISION 2 - SITE ORGANIZATION

2.i The Contractor shall take all necessary precautions to ensure that all of the surrounding surfaces in each room / area [e.g. walls, base-boards, doors, marble fireplaces, windows, etc.] are adequately protected from the parquet-flooring activities and dust / debris arising there from.

2.ii The contractor shall take all measures required to prevent the spread of dust from the salon in which work is being carried out to adjacent salons / rooms / areas by using bashes or other dust consolidating devices.

2.iii The Contractor shall clean the work site(s) at the end of each day's work.

2.iv The Contractor shall ensure that all materials are neatly stacked and that all emergency routes and exits are left clear at all times.

2.v Access to the George C. Marshall Center, and to the job-site, shall be restricted to the building entrance in rue Mondovi and then via elevator and/or the service stairway.

The time and day for each and every delivery shall be coordinated with, the Contracting Officers Representative (COR) and the Marshall Center Management and have received prior approval from the principal occupant of the premises [“Jones-Day”].

The rue Mondovi entrance door can only be opened from the street-side by an authorized US Embassy employee using an electronic-key. Similarly the passenger-elevator can only be activated using the electronic-key.

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If the passenger-elevator is used for the transport of tools, materials and/or equipment, its internal surfaces [floor, walls, ceiling] shall be adequately protected from damage by the contractor.

2.vi The contractor shall take all necessary precautions to prevent damages and/ or deteriorations to walls, floors, ceilings, fixtures and fittings during the passage of employees, tools, equipment and materials through the premises to the salons and within the salons. Once the parquet and subflooring are removed contractor shall take every precaution to ensure access to all floor surface areas, e.g. installing temporary chip board panels.

2.vii The premises [above, below and around the salons] are occupied and used as office accommodation. The contractor shall ensure that the noise emanating from all work and work-related activities is kept to a minimum. Activities likely to disturb the occupants of the surrounding spaces shall be coordinated with, and have received prior approval from, the COR.

2.viii No permanent vehicle parking is available.

2.ix 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 and European occupational safety and health requirement laws and regulations. Plan de prévention – articles R4512-6 à R4512-12 du code du travail:

https://www.legifrance.gouv.fr/affichCode.do;jsessionid=BDCB4C48ABDCFE40BF742F76 3BCC8D73.tplgfr43s_2?idSectionTA=LEGISCTA000018529787&cidTexte=LEGITEXT00000 6072050&dateTexte=20190318;

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

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 https://www.legifrance.gouv.fr/affichCode.do;jsessionid=BDCB4C48ABDCFE40BF742F763BCC8D73.tplgfr43s_2?idSectionTA=LEGISCTA000018529787&cidTexte=LEGITEXT000006072050&dateTexte=20190318 https://www.legifrance.gouv.fr/affichCode.do;jsessionid=BDCB4C48ABDCFE40BF742F763BCC8D73.tplgfr43s_2?idSectionTA=LEGISCTA000018529787&cidTexte=LEGITEXT000006072050&dateTexte=20190318 https://www.legifrance.gouv.fr/affichCode.do;jsessionid=BDCB4C48ABDCFE40BF742F763BCC8D73.tplgfr43s_2?idSectionTA=LEGISCTA000018529787&cidTexte=LEGITEXT000006072050&dateTexte=20190318

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DIVISION 3

Floor plan of the George C. Marshall Center for orientation on site (1 page)

Floor plan of the salons where parquet shall be replaced showing approximate existing fan coil units (1 page)

Pictures of existing conditions (2 pages)

Cross-section sketch of below floor fan-coil unit installation (1 page)

Pictures of access traps to the electrical and audio plugs (1 page)

Pictures of vertical removable panels trap and handle (1 page)

Pictures of existing parquet at Oval Room (218)

Floor Plans current state and future state revision B – June 2020 (6 pages A3 – separate document)

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219 State Office

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220 Grand Reception Room 219 Grand Reception Room

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220 Grand Reception Room – existing fan coil units covered with a chipboard and parquet panels.

220 State Office– Subflooring incorporated electrical plugs

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Access traps for electrical and audio plugs

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Vertically removable panels with hidden handles

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EXISTING PARQUET AT OVAL ROOM (218)

(new parquet at 219 State Office and 220 Grand Reception Room shall be similar)

END OF DIVISION 3

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DIVISION 4- SITE PROTECTION

Protection of the Marshall Center during construction projects

FLOORS

1. Protection of floors in the antechambers, where materials may be stored shall consist of a plastic sheet layer and Protecsol carton covered by plywood or chip board panels. See picture below.

DOORS

2. The Contractor shall remove 3 sets of double doors between 219 and 220 and store on site in the antechambers, and protect with Tyvek or Polyane film.

3. Protection of 5 sets of double doors in situ. 221, 223, 225 (2),218.

Detail: The Contractor shall protect the wooden doors, door casings and associated trim with Tyvek or Polyane film as well as free-standing plywood or fake board protection rising 1.5 meters.

MIRRORS

4. The Contractor shall protect 4 mirrors (two full length and two over mantle)in the Grand Reception Room (220) with wood and foam protection all the way to the cornice. The Contractor shall protect 2 mirrors in the State Office (219).

Full length mirrors with sculpted and gilded frames shall be completely covered with Tyveck or Polyane film and plywood panels rising 1.5 meters high. The plywood shall be fixed to temporary framing that is self-supporting. See picture below.

CHANDELIERS

5. The Contractor shall protect chandeliers in 4 rooms (225,223,219,220). Chandeliers shall be wrapped in Tyveck or Polyane.

Grand Reception Room (220) 125 cm large, State Office (219) 122cm wide

FIREPLACES

6. The Contractor shall protect with wood cases 2 fireplaces. (Grand Reception Room 220 and State Office 219).

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WALLS

7. Walls shall be covered with polyane protection using painters’ tape (pre-approved by

CHP) fixed to the temporary protections where possible and to the painted surface above the cornice. No tape shall be fixed to a gilded surface.

CURTAINS, VALENCES AND WALL COVERINGS

8. Curtains in the State Office and Grand Reception room shall be removed, stored and reinstalled by an approved curtain specialist.

See pictures below. Valences and wall fabrics shall be covered in situ with dust free cotton.

ATTENTION: No Temporary protection shall be fixed to the permanent construction, doors or woodwork. Where temporary protection comes in contact with existing finishes, the temporary construction shall have foam or other non-staining padding attached to the back of the temporary construction.

Protection of floors in ante-chambers 221, 223,225 where equipment is stored.

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Example of hard protection of fireplaces and mirrors.

Protection of chandeliers.

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Dust protection of walls with Polyane film.

Protection of valences in Grand Reception Room and State Office.

Should be done by approved contractor.

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Storage of curtains which have been removed from State Office and Grand Reception room.

Should be done by approved contractor.

END OF DIVISION 4