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HomeMy WebLinkAboutEx25_Construction_Mitigation_DescriptionApril 26, 2022 Community & Economic Development- Planning Division Renton City Hall, 6th Floor 1055 South Grady Way Renton, WA 98057 RE: Site Plan Review- 800 Garden Avenue- New Mixed Use Apartment Development In an effort to provide tactical construction impact mitigation, the following plan describes not only the major components of the project but mitigation measures that will be in place to minimize the projects impacts on the environment and community as a whole. Construction Dates: The project will be built in 3 phases.  Phase I Construction: 2024-2025; Lease-up: 2026-2027  Phase II Construction: 2029-2030; Lease-up: 2031-2032  Phase III Construction: 2034-2035; Lease-up: 2036-2037 Construction hours and Days of Operation: The project will be under construction Monday through Friday with some minor activities on Saturdays to avoid delays and complications. The construction gate will open at 6:00am and the equipment on site will be turned on at 7:00am. The workforce will arrive onsite between 6:00 and 7:00am, with a rollout starting at 7:00am. The construction gate will close at 6:00ppm and all equipment will be stopped and shut down by 5:00pm. The site will always have security fencing in place and the site will be locked during non- construction hours. Construction access will be controlled, and all visitors must report to the construction office and must have appropriate safety protection to walk onsite. Hauling and Transportation Routes: Most common commuting will be done via i-405 and N. Southport Drive, major trucking and hauling will likely follow either:  North 8th St/Houser Way- I-405  N. Southport Drive/Garden Ave- I-405 The total travel time to I-405 in either direction is less than 5 minutes. Mitigation and Control of Impacts on the Surrounding Community: May 12, 2022 EXHIBIT 25 RECEIVED Clark Close 12/09/2022 PLANNING DIVISION DocuSign Envelope ID: 49E75962-CFB4-44D8-B351-42D14442C98C The site will be watered during times when dust reaches a level that is disturbing to the surrounding areas in the morning and in the late afternoon or as needed to reduce transient dust from escaping the site and lingering to surrounding areas. The perimeter of the site will have filter fabric fence installed to gather an d hold all debris, spoils and dirty water from leaving the site without being controlled. Soil and landscaping material that are collected and/or gathered in amounts exceeding 2 cubic yards will be covered with visqueen and sandbags to minimize erosion. During heavy hauling and site delivery times, licensed and independently contracted road crews and flagging companies will be used to control traffic flow to and from the site. Each activity that requires traffic flow control will be applied for to the governing authorities and a site control and access plan will be approved. At times when traffic is heightened during certain activities, the local law enforcement agency may be contracted to ensure safety of the community. The site will have crushed rock and tire gravel at the construction entrance to minimize the impact on Garden Ave. all dirt and debris that is tracked on to Garden Ave will be swept up by street sweeping on a regular basis. The site will have times where noise will exceed common day practices on typical adjacent properties, but the activities that will affect the community with noise pollution the most will be controlled based on the times that the work will be taking place and the amount of work being done at any one time. The items will be properly placarded, and Material Safety Data Sheets will be on site for each item. Secured and Safe lockers and/or storage bins will always be used with a properly developed perimeter to ensure the safety of the items on the site. Types of Measures that May be Required:  Physical Impacts: o Traffic detours, temp sidewalks, construction coordination meetings  Environmental impacts: o Pressure washing sidewalks and driveways DocuSign Envelope ID: 49E75962-CFB4-44D8-B351-42D14442C98C