Common use of ECR Number Environmental Commitment Record Requirements Description of ADOT Clause in Contracts

ECR Number Environmental Commitment Record Requirements Description of ADOT. Responsibilities AQ-2 Mitigation measures must be followed in accordance with Maricopa County rules 310 and 310.01. Such measures could include, but are not limited to: Construction • Use dust suppressants on unpaved traveled paths. • Minimize unnecessary vehicular and machinery activities. • To prevent dirt from tracking or washing onto paved roads, stabilized construction entrances will be placed adjacent to paved roads and fencing will be installed to direct vehicles to drive through the entrance before entering a paved surface. • To the extent practicable, construction equipment that meets EPA’s Tier 4 emission standards shall be used. • Where feasible, construction equipment powered by alternative fuels (e.g., biodiesel, compressed natural gas, electricity) shall be used. • ADOT will require training in compliance with Maricopa County rule 310 for contractor’s personnel regarding air quality impacts from construction activities, potential health risks, and methods to reduce emissions. ADOT to oversee for compliance AQ-3 Mitigation measures must be followed in accordance with Maricopa County rules 310 and 310.01. Such measures could include, but are not limited to: Postconstruction • Revegetate or use decomposed granite or rock mulch on all disturbed land. • Remove dirt piles and unused materials. • Revegetate all vehicular paths created during construction to avoid future off-road vehicular activities. • Include control of access fence to prevent vehicle traffic on unpaved surfaces. ADOT to oversee for compliance TP Attachment 000-0 Xxxxx Xxxxxxxx Xxxxxxx Project Record of Decision (ROD) Developer’s Environmental Commitment Requirements The following table includes the Project-specific environmental commitments as written in the ROD, with minor modifications for clarification purposes. As it relates to these Technical Provisions, references to freeway, project, South Mountain Freeway, proposed action, proposed freeway, and Selected Alternative mean the Project, and references to contractor mean Developer. Developer shall comply with and perform all of the contractor and ADOT requirements, including the ADOT obligations, commitments, and responsibilities, identified in the following table, except to the extent of those requirements that are specifically identified in the third column, entitled “Description of ADOT Responsibilities,” which are not delegated to Developer.

ECR Number Environmental Commitment Record Requirements Description of ADOT. Responsibilities Retained Obligations AQ-1 Mitigation measures will be followed in accordance with Maricopa County rules 310 and 310.01. Such measures could include, but are not limited to: Site preparation • Minimize land disturbance. • Use watering trucks to minimize dust. • Stabilize the surface of dirt piles if not removed immediately. • Use windbreaks to prevent accidental dust pollution. • Limit vehicular paths and stabilize temporary roads. • To prevent dirt from tracking or washing onto paved roads, stabilized construction entrances will be placed adjacent to paved roads and fencing will be installed to direct vehicles to drive over the track pad immediately before entering a paved surface. None retained; all delegated to Developer. AQ-2 Mitigation measures must be followed in accordance with Maricopa County rules 310 and 310.01. Such measures could include, but are not limited to: Construction • Use dust suppressants on unpaved traveled paths. • Minimize unnecessary vehicular and machinery activities. • To prevent dirt from tracking or washing onto paved roads, stabilized construction entrances will be placed adjacent to paved roads and fencing will be installed to direct vehicles to drive through the entrance before entering a paved surface. • To the extent practicable, construction equipment that meets EPA’s Tier 4 emission standards shall be used. • Where feasible, construction equipment powered by alternative fuels (e.g., biodiesel, compressed natural gas, electricity) shall be used. • ADOT will require training in compliance with Maricopa County rule 310 for contractor’s personnel regarding air quality impacts from construction activities, potential health risks, and methods to reduce emissions. ADOT None retained; all delegated to oversee for compliance AQ-3 Mitigation measures must be followed in accordance with Maricopa County rules 310 and 310.01Developer. Such measures could include, but are not limited to: Postconstruction • Revegetate or use decomposed granite or rock mulch on all disturbed land. • Remove dirt piles and unused materials. • Revegetate all vehicular paths created during construction to avoid future off-road vehicular activities. • Include control of access fence to prevent vehicle traffic on unpaved surfaces. ADOT to oversee for compliance TP Attachment 000-0 Xxxxx Xxxxxxxx Xxxxxxx Project Record of Decision (ROD) Developer’s Environmental Commitment Requirements The following table includes the Project-specific environmental commitments as written in the ROD, with minor modifications for clarification purposes. As it relates to these Technical Provisions, references to freeway, project, South Mountain Freeway, proposed action, proposed freeway, and Selected Alternative mean the Project, and references to contractor mean Developer. Developer shall comply is responsible for performing and complying with and perform all obligations of the contractor and ADOT requirements, including the ADOT obligations, commitments, and responsibilities, identified in the following tableADOT, except to the extent of those requirements obligations that are specifically identified in below as being the third column, entitled “Description obligations of ADOT Responsibilities,” which are not delegated to DeveloperADOT.

ECR Number Environmental Commitment Record Requirements Description of ADOT. Responsibilities AQ-2 Mitigation measures FLD-5 The hydraulic design of culverts must be followed performed using the procedures in FHWA’s Hydraulic Design Series No. 5, Hydraulic Design of Highway Culverts (2012). Other criteria include: • Culverts must be sized, at a minimum, based on the design discharge of a 50-year storm. • With the 100-year storm, water levels must not significantly increase the flood damage potential on areas outside of the proposed R/W or as noted in accordance with Maricopa County rules 310 ADOT’s Roadway Design Guidelines (2012a), Section 611.3.C. • Reinforced concrete box culvert and 310.01. Such measures could include, but are not limited to: Construction • Use dust suppressants on unpaved traveled pathsreinforced concrete pipe must be provided with adequate cover. • Minimize unnecessary vehicular and machinery activities. • To prevent dirt Outflow discharges from tracking or washing onto paved roads, stabilized construction entrances will be placed adjacent to paved roads and fencing will be installed to direct vehicles to drive through detention basins must not cause peak discharges downstream greater than peak discharges without the entrance before entering a paved surface. • To the extent practicable, construction equipment that meets EPA’s Tier 4 emission standards shall be used. • Where feasible, construction equipment powered by alternative fuels (e.g., biodiesel, compressed natural gas, electricity) shall be used. • ADOT will require training in compliance with Maricopa County rule 310 for contractor’s personnel regarding air quality impacts from construction activities, potential health risks, and methods to reduce emissionsproject. ADOT to oversee for compliance AQ-3 Mitigation FLD-6 Comprehensive hydrologic, hydraulic, sediment transport, and erosion-related assessments regarding potential 100-year flood effects associated with ephemeral washes will be conducted on the Selected Alternative. Results will provide information necessary to make a determination regarding what mitigation measures must will need to be followed in accordance implemented. Measures may include physical structures associated with Maricopa County rules 310 and 310.01. Such measures could include, but are not limited to: Postconstruction • Revegetate or use decomposed granite or rock mulch on all disturbed land. • Remove dirt piles and unused materials. • Revegetate all vehicular paths created during construction to avoid future off-road vehicular activities. • Include control of access fence to prevent vehicle traffic on unpaved surfacesthe freeway such as culverts. ADOT to oversee for compliance Waters of the United States WUS-1 ADOT will prepare and submit an application to USACE for a CWA Section 404 permit as appropriate, dictated by impacts on jurisdictional waters. If necessary, ADOT will submit a CWA Section 401 application to ADEQ. The permit conditions will be developed according to the current Memorandum of Agreement between USACE, ADOT, and FHWA. Work must not occur within jurisdictional waters until the appropriate CWA Section 401 certification and Section 404 permit is obtained. ADOT will be the signatory for this commitment (see Section DR 420.2.6.2 for more details). TP Attachment 000-0 Xxxxx Xxxxxxxx Xxxxxxx Project Record of Decision (ROD) Developer’s Environmental Commitment Requirements The following table includes the Project-specific environmental commitments as written in the ROD, with minor modifications for clarification purposes. As it relates to these Technical Provisions, references to freeway, project, South Mountain Freeway, proposed action, proposed freeway, and Selected Alternative mean the Project, and references to contractor mean Developer. Developer shall comply with and perform all of the contractor and ADOT requirements, including the ADOT obligations, commitments, and responsibilities, identified in the following table, except to the extent of those requirements that are specifically identified in the third column, entitled “Description of ADOT Responsibilities,” which are not delegated to Developer.

ECR Number Environmental Commitment Record Requirements Description of ADOT. Responsibilities Retained Obligations AQ-2 Mitigation measures must be followed in accordance with Maricopa County rules 310 and 310.01. Such measures could include, but are not limited to: Construction • Use dust suppressants on unpaved traveled paths. • Minimize unnecessary vehicular and machinery activities. • To prevent dirt from tracking or washing onto paved roads, stabilized construction entrances will be placed adjacent to paved roads and fencing will be installed to direct vehicles to drive through the entrance before entering a paved surface. • To the extent practicable, construction equipment that meets EPA’s Tier 4 emission standards shall be used. • Where feasible, construction equipment powered by alternative fuels (e.g., biodiesel, compressed natural gas, electricity) shall be used. • ADOT will require training in compliance with Maricopa County rule 310 for contractor’s personnel regarding air quality impacts from construction activities, potential health risks, and methods to reduce emissions. ADOT has the right to oversee Developer’s performance for compliance compliance. AQ-3 Mitigation measures must be followed in accordance with Maricopa County rules 310 and 310.01. Such measures could include, but are not limited to: Postconstruction • Revegetate or use decomposed granite or rock mulch on all disturbed land. • Remove dirt piles and unused materials. • Revegetate all vehicular paths created during construction to avoid future off-road vehicular activities. • Include control of access fence to prevent vehicle traffic on unpaved surfaces. ADOT has the right to oversee Developer’s performance for compliance compliance. TP Attachment 000420-0 Xxxxx Xxxxxxxx Xxxxxxx 1 South Mountain Freeway Project Record of Decision (ROD) Developer’s Environmental Commitment Requirements The following table includes the Project-specific environmental commitments as written in the ROD, with minor modifications for clarification purposes. As it relates to these Technical Provisions, references to freeway, project, South Mountain Freeway, proposed action, proposed freeway, and Selected Alternative mean the Project, and references to contractor mean Developer. Developer shall comply with and perform all of the contractor and ADOT requirements, including the ADOT obligations, commitments, and responsibilities, identified in the following table, except to the extent of those requirements that are specifically identified in the third column, entitled “Description of ADOT Responsibilities,” which are not delegated to Developer.