SOW Sinkhole.docx

STATEMENT OF WORK

(SOW)

Sinkhole Investigation and Repair

Requesting Office Name: Megan Byrley Office/Section: Office of Facility Management Email: ByrleyM@state.gov Date of Request: 12/8/2025

1. Background On December 2, 2025 a sinkhole opened on Rue Zinner within the U.S. Embassy compound. The source of the sinkhole has not been identified, and the sinkhole has continued to grow since its discovery. With deflections in the road surface visible throughout the area, Rue Zinner has been closed to vehicle traffic.

2. Purpose / Objective The U.S. Embassy Brussels is in need of contract services to investigate the source of the sinkhole and make any necessary repairs for the street to be reopened to traffic.

3. Scope of Work The contractor must adhere to all applicable safety requirements associated with excavation, work with heavy machinery, and confined spaces. The following tasks are required:

1. Sinkhole investigation utilizing diagnostic tools above and under the surface;

2. Street stability analysis with ground penetrating radar to identify any other areas of concern;

3. Excavation of the immediate sinkhole area until solid ground and/or the sinkhole source is discovered;

4. Repair to the sinkhole source;

5. Backfilling the excavated area, compacting the substrate, and completely surface repair necessary for the road to be returned to its original cobblestone design.

The contractor shall inform the government immediately if excavation beyond five meters of depth is required due to the adjacent building foundation proximity.

4. Deliverables [if applicable or delete] A street stability analysis is required after the ground penetrating radar scan. The contractor shall provide pictures of the sinkhole source once it is located.

5. Period of Performance 12/10/2025-1/9/2026, unless circumstances require additional remediation.

6. Place of Performance [if applicable or delete] Rue Zinner, sinkhole site.

7. Government-Furnished Equipment or Property (GFE/GFP) [if applicable or delete]

· Low-voltage electricity for small hand tools and equipment

· Outdoor hose bib connection for low volume water will be provided

8. Performance Standards & Acceptance Criteria [if applicable or delete] The Senior Facility Manager and Senior Maintenance Supervisor will inspect the job site daily. All issues will be reported in writing to the contractor and U.S. Embassy Brussels is within their rights to stop work if they deem unsafe procedures are being followed.

9. Security / Access Requirements [if applicable or delete] Staff from the contractor who will be on site must be escorted by an Embassy employee. Due to the urgency of this project, only visitor badges will be issued.

10. Other Requirements [if applicable or delete] [Special conditions such as travel, safety measures, licenses, etc.]

11. Attachments Please attach any available supporting documents:

|_| Attached drawings |_| Photos |_| Manufacturer specifications |_| Other (please specify): __________

12. Known Deadlines This is a life safety issue and the contract is needed immediately to reduce the risk of loss of persons or property.

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