SF-30-19FR6324Q0052-A0005.pdf

19FR6324Q0052-A0005

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

1. CONTRACT ID CODE

PAGE OF

PAGES

1 15

2. AMENDMENT/MODIFICATION

NO.

19FR6324Q0052-A0005

3. EFFECTIVE DATE

December 19, 2024

4. REQUISITION/PURCHASE REQ. NO.

PR12534076

5. PROJECT NO. (If applicable)

6. ISSUED BY

CODE

7. ADMINISTERED BY (If other than Item 6)

CODE

Contracts Office A-M8, American Embassy, 2 Ave Gabriel, 75008 Paris

8. NAME AND ADDRESS OF CONTRACTOR (NO., street,city,county,State,and ZIP Code)

X

9a. AMENDMENT OF SOLICITATION NO.

19FR6324Q0052

9b. DATED (SEE ITEM 11)

September 6, 2024

10a. MODIFICATION OF CONTRACT/ORDER

NO.

10b. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

[ x ] The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers [ ] is extended until ______[ X ] is not extended Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods: (a) By completing Items 8 and 15, and returning ____1___ copies of the amendment;(b) By acknowledging receipt of this amendment on each copy of the offer submitted; or(c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers.

FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS,

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b)

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor [ ] is not, [ X ] is required to sign this document and return ___ copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

The purpose of this amendment is to update the Attachment 1 ‐ Scope of work and provide additional pictures of the balcony in its current state in accordance with the attached revised pages 2‐15.

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

16A. NAME OF CONTRACTING OFFICER

PARMENTIER STANISLAS

15B. NAME OF CONTRACTOR/OFFEROR

BY

(Signature of person authorized to sign)

15C.DATE

SIGNED

16B. UNITED STATES OF AMERICA

BY

(Signature of Contracting Officer)

16C.DATE SIGNED

NSN 7540-01-152-8070 Standard Form 30 (revised 10/83) Previous edition unusable

19FR6324Q0052 – Attachment 1 – Scope of Work

I – General

The US Embassy, Paris-France (USG) requires stone repair of balcony at the first floor of CGR , located at 7 rue Brahms 67000 Strasbourg, which falls withing a United Nations educational , Scientific, and Cultural organization (UNESCO) boundary. The property on the U.S. Department of State’s Secretary of State’s Register for Culturally Significant Property. The works shall be done as per drawings, scope of work, specifications and general contract conditions. This project requires an experienced contractor with historic masonry repairs to execute the works. The contractor shall have at least 5 years of experience and a minimum of 3 projects of similar repairs at heritage sites. The contractor shall provide previous examples of their work with references. The contractor shall have a Qualibat qualification number MH2194 for “restoration of cut stone and masonry of historic monuments” or 2183 - Restoration of ashlar and heritage masonry.

The Contractor shall provide all labor, material, tools, equipment, supervision and other related items required to complete the works as per scope of work, specifications and attached drawings.

Contractors are advised to visit the site and verify the existing site conditions to develop their proposal.

Prior to any work, the Contractor shall provide mock-ups of representative repairs for approval

For all kind of work, shall be provided a “Safety and health protection plan” or PP SPS – Plan particulier de sécurité et de protection de la santé –

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

All work shall comply with all applicable French and European building regulations.

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. Secretary of the Interior Standard’s and/or local regulations for work on heritage properties, whichever is more stringent.

Works duration : 3 weeks

II- Cleaning

The Contractor shall:

- Provide temporary protectives measures to protect adjacent elements and surfaces not included in this scope of work

- Furnish and install a scaffolding for balcony access during 45 days for the total period of the repair. The scaffolding will be used as well by the waterproofing firm.

- Clean the columns, capitals, balcony thickness, balustrade (two sides) and ground floor balustrade as well as the bottom part which includes the stairs and the surrounding wall of the lower terrace.

Note: the contractor shall provide testing at discrete, small-scale, inconspicuous areas first to determine appropriate parameters and media for cleaning. Contractor shall then provide mock-ups for COR review and acceptance Cleaning by fine hydro-abrasion blasting (= hydrosanding / hydrogommage) or dry micro-abrasion (microsanding):

Projection of powders of different types and hardness on the support using a compressor and a nozzle (very noisy). The powders are sprayed dry, with compressed air ( not exceed 50 psi /3.5 bar at the nozzle), with water depending on the nature of the material.

The contractor shall use the gentlest most effective means for cleaning.

III - Demolition

The Contractor shall:

- Provide temporary protectives measures to protect adjacent elements and surfaces not included in this scope of work

- Furnish and install a scaffolding for balcony access

- Remove the stone tiles and dispose of in accordance with French regulations

- Remove the stone baseboards and dispose of in accordance with French regulations

- Remove, by grinding and by coring, all corroded steel inserts in stone hand railing, pilasters and base of balusters and dispose debris away from the Property

- Remove non adherent stones parts and dispose debris away from the Property

- Remove all deteriorated joints preserving existing profiles and arises of stone units and dispose debris away from the Property

- Clean the surface with air

Waterproofing repair will be performed by another vendor under separate contract and will take place after the demolition phase and prior to the Stone replacement / repair. The waterproofing repair work is expected to be completed in 15 calendar days.

IV – Stone repair (A) and replacement (B)

(A) Repair work :

The Contractor shall repair any missing stone parts of the columns, capitals and balustrades.

For repair less than 10 cm :

- Use an NHL 3.5 mortar. Inorganic pigments may be added for color matching at a maximum of 10%by weight of the binder. Mortar shall be applied in lifts not to exceed 5cm in thickness and/or according to the manufacturer’s specifications. In lieu of a bonding agent, a mortar slurry may be applied to the substrate prior to packing in patching mortar Note: the contractor shall provide products from Weber or equal

For repair more than 10cm :

- carry out an engraving of 6cm thickness and dispose of debris away from the Property

- cut a stone of the same nature as the existing one in order to fill the part to be repaired

- furnish and apply stone mortar type same above (NHL 3.5 mortar pigmented to match the stone) from Weber or equal

For the crack on handrailing:

- Provide kerf cut to insert non-ferrous pins, typical two locations

- Furnish and install (2) x10mm diameter x25cm all thread (centered) and set up in a repair mortar (NHL 3.5 mortar)

- grease one end of each rod or put it in a sleeve at one of the bearings. The grease and or sleeves need to be on the same side for both rods.

- at the crack, furnish and apply injection grout

Injection grout:

2 parts NHL 2.0.

1 part clean mason’s sand (sieved <300 microns) 1 part ceramic microspheres (<300 microns) 10% (v/v) acrylic emulsion in filtered water (Rhoplex E-330, Primal AC 33 or equal)

(B) Replacement work :

The Contractor shall furnish and replace all stone tiles and stone baseboards with the same type and dimensions of stone originally in place.

- Install stone tiles and baseboard after waterproofing repair

- Clean work area

- Remove the scaffolding