14 ATTACHMENT 6 - Appendix A - E

City of Pleasanton–Spotorno Ranch Reduced Development Project Environmental Checklist Initial Study/Consistency Checklist 76 FirstCarbon Solutions https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480021/Consistency Checklist/21480021 Spotorno Ranch Consistency Checklist ScreenCheck.docx Timing: During grading and construction. MM D2 If soil material is carried over public or private roads, those roads shall be swept daily with water sweepers to control dust. Timing: During grading and construction. MM D3 In graded construction areas, replacement vegetation shall be planted as quickly as possible. Graded areas that remain inactive for 10 days or more during the rainy season (October 1 to April 1) without permanent replanting should be hydroseeded or stabilized to inhibit dust. Timing: During grading and construction. MM D4 Excavation and grading shall be suspended when winds (instantaneous gusts) exceed 25 miles per hour. Timing: During grading and construction. Proposed refinements to mitigation language The following refinements to the construction-period mitigation (MM D1) in the 1998 HVSP FEIR is proposed to be applied to the Spotorno project as part of conditions of approval; the refinements would provide enhanced protection to the public and construction workers, consistent with current best practices: • Exposed surfaces (e.g., parking areas, staging areas, soil piles, graded areas, and unpaved access roads) shall be watered two times per day, or more as needed. • All haul trucks transporting soil, sand, or other loose material off-site shall be covered. • All visible mud or dirt track-out onto adjacent public roads shall be removed using wet power vacuum street sweepers at least once per day. The use of dry power sweeping is prohibited. • All vehicle speeds on unpaved roads and surfaces shall be limited to 15 miles per hour. • All roadways, driveways, and sidewalks shall be paved as soon as possible. • Idling times shall be minimized either by shutting equipment off when not in use or reducing the maximum idling time to 5 minutes (as required by the California airborne toxics control measure Title 13, Section 2485 of California Code of Regulations). Clear signage shall be provided for construction workers at all access points. • All construction equipment shall be maintained and properly tuned in accordance with manufacturer’s specifications. All equipment shall be checked by a certified mechanic and determined to be running in proper condition prior to operation. • A publicly visible sign shall be posted with the telephone number and person to contact both at the City of Pleasanton and at the office of the General Contractor regarding dust complaints. This person shall respond and take corrective action within 2 business days of a