Item 16 - Agreements for On -Call Environmental Services

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PROPOSAL FOR On -Call Environmental Services RFP NO.: 21-105 questions designed to cover the potential range of impacts that could be faced. The questions range between 2 and 10 questions for each subject area, and total 93 questions over all subject areas. I. Aesthetics II. Agriculture/Forestry Resources III. Air Quality IV. Biological Resources V. Cultural Resources VI. Energy VII. Geology/Soils Vill. Greenhouse Gas (GHG) Emissions IX. Hazards/Hazardous Materials X. Hydrology/Water Quality XI. Land Use/Planning XII. Mineral Resources XIII. Noise XIV. Population/Housing XV. Public Services XVI. Recreation XVII. Transportation XVIII. Tribal Cultural Resources XIX. Utilities/Service Systems XX. Wildfire XXI. Mandatory Findings of Significance The preparation of an IS checklist includes completing all questions of the checklist with a written response to, or evaluation of, the impacts considered by the questions for each subject area. The responses provided in the IS will rely on information provided in separate technical studies prepared for the proposed action, or other existing documentation applicable to the specific subject area. Generally, many questions will not require an extensive or detailed discussion to provide appropriate scoring. However, it is our experience that several subject areas usually require more extensive responses to the questions. These include some combination of Air Quality/GHG, Cultural Resources, Noise, and Transportation; and, in many cases can also extend to Aesthetics, Biology, Geology, and Hydrology. Technical Studies Aesthetic Resources. Conducting an objective, thorough, and well -illustrated visual resource assessment is often a critical component of both public relations efforts and environmental review. It is a useful tool to assist the public in understanding what a project will look like when placed in the environment. Tetra Tech provides state-of-the-art visual impact studies that meet the technical and procedural needs of permitting authorities, illustrating to stakeholders how the project would appear and from which angles it would be visible. Our team is experienced with determining key observation points and providing analyses to address concerns of sensitive viewers while meeting CEQA requirements. In addition, Tetra Tech has extensive experience developing scientifically defensible photo simulations using project photography, GIS, 3D graphic design software, and visual simulation expertise. Air Quality Study/Greenhouse Gas Assessment. Air assessments can address criteria pollutants, air toxic emissions, climate change impacts (GHG), and health risks relative to project activities. Both the construction and operation phases of projects can produce emissions of criteria pollutants which must be evaluated, and time -phased quantities compared to allowable limits established by the governing air quality management district for the project location. Tetra Tech is a leading provider of air quality services. Company expertise includes the following services: air emissions impact assessments, air monitoring and sampling, dispersion modeling and health risk assessments, GHG emissions inventory and certification, permit application, regulatory analysis and support, stationary and mobile source testing, and technical evaluation and demonstration of advanced control technologies. Biological Resources Assessment. Botanical and wildlife species are commonly among the most important resources evaluated under CEQA. Certainly, the presence of plants and animals on federal or state Threatened or Endangered species lists will require even more intense review. Concern over potential impacts to biological resources is often the basis for legal action which can cause project delays or even cancellations. Therefore, it is critically important that all potentially important or significant species associated with a project site or region are identified early, are evaluated using appropriate survey protocols, and data are collected with methods designed to preserve accuracy and detail. Tetra Tech's City of Santa Ana 16 TETRA TECH