Guardrails and imapct attenuators repair, upgrade, and replacement

This solicitation seeks a qualified contractor to perform comprehensive repair, upgrade, and replacement of guardrails, impact attenuators, fencing, and related highway safety structures throughout the District of Columbia. The work is indefinite‑quantity, unit‑price based, and will be performed on both freeway and local street locations as directed by DDOT. The contract will be a five‑year IDIQ with a minimum annual ordering value of $100,000 and an estimated total ceiling of $20‑$25 million. • Perform item‑by‑item repairs and replacements of steel‑backed timber, W‑beam, double‑W‑beam, thrie‑beam, and weathering‑steel guardrail systems, including posts, end terminals, and blockouts. • Install, repair, or replace impact attenuator units and safety end terminals to meet MASH (2016) and AASHTO standards. • Provide related site work (excavation, aggregate base course, concrete barrier repair, metal railing installation, and fencing) and maintain emergency‑response capability (1‑hour response for critical sites). • Submit hourly labor and equipment rates, adhere to prevailing‑wage requirements, and furnish all required certifications (Buy‑America, EEO, first‑source hiring, etc.).