Air Quality Consulting Service Contract

The City of Granbury is requesting proposals for air quality consulting services under RFP with a proposal due date of August 31, 2026 at 2:00 p.m. The scope centers on updating an existing Conceptual Model through the 2025 ozone season and performing source apportionment photochemical modeling to evaluate ozone sources and precursor transport affecting Hood County and the surrounding region.

The primary deliverables are a characterization of current ozone air quality conditions, causes, and sources in Hood County; quantification of estimated ozone contributions from locally generated versus regionally transported sources; and a technical methodology demonstrating expertise in air quality consulting, particularly in small-urban and rural areas in Texas. Proposers must submit firm qualifications, relevant project experience with client references, proposed project team resumes, technical approach and methodology, and current insurance certificates.

Evaluation is weighted as follows: Firm Qualifications and Relevant Experience (60 points), Relevant Project Experience and Client List (25 points), and Capacity to Perform (15 points). The City reserves the right to negotiate with any or all respondents and to award all or portions of the Scope of Work as determined to be in the City's best interest. Funding sources include City of Granbury funds and other applicable sources available to the City as permitted by law, with the City reserving the right to adjust service levels or available funding based on changes in funding availability or project requirements. No contract value is specified.

Sealed proposals must be submitted to the City of Granbury Purchasing Department, 401 N. Park Street, Granbury, Texas 76048. The question submission deadline was August 18, 2026. An addendum and revision to the RFP were posted on August 24, 2026, the same date as this opportunity notice.