Loading...
HomeMy WebLinkAboutCM_Construction_Mitigation_Description_220727_v1South Renton Transit Center Site Remediation Construction Mitigation Description The following provides a narrative for the items requested in the construction mitigation description as part of the City of Renton Grade and Fill Permit application for the South Renton Transit Center Site Remediation project. The site remediation project does not require the use of cranes. Proposed construction dates Construction is proposed to begin as early as July 15, 2022 and be complete on, or about, October 31, 2022. Hours and days of operation Working hours and days of construction would vary but would adhere to the City of Renton’s regulations to control construction noise, which restricts non-residential construction noise on weekdays to the hours of 7:00 a.m. to 8:00 p.m., and on Saturdays to the hours of 9:00 a.m. to 8:00 p.m. Construction noise is prohibited on Sundays. If an unanticipated reason arises, and construction activities are required at night or on Sundays, Sound Transit would apply for a construction noise variance from the city of Renton. Proposed hauling/transportation routes The South Renton Transit Center site has existing driveways/site access off of Rainier Avenue S and S Grady Way. Both Rainier Avenue S and S Grady Way are City of Renton designated haul routes for trucks over 26,000 pounds gross vehicle weight. Access to the site is from I-405 and SR 167, continuing straight/north onto Rainier Ave S, and right/east onto the site. Access from the site would be by exiting right/west onto S Grady Way, turning right/north onto Rainier Avenue S, and then left/west onto SW Sunset Boulevard/SR 900 to I-5. SW Sunset Boulevard/SR 900 is also a City of Renton designated haul route for trucks over 26,000 pounds gross vehicle weight. No special hours are proposed for construction or hauling. As noted above, project construction is anticipated to comply with Renton’s permitted construction hours. Best Management Practices The following Best Management Practices (BMPs) will be developed and implemented by the Contractor, as required, during construction to minimize dust, erosion, mud, and noise. The project’s traffic control plan, described below, identifies measures that will be implemented to reduce traffic and transportation impacts. • Develop a Temporary Erosion and Sediment Control Plan (TESCP), including measures such as catch basin protection. • Spray exposed soil with water or other dust palliatives to reduce emissions and deposition of particulate matter. • Cover all trucks transporting materials, wet materials in trucks, or provide adequate freeboard (space from the top of the material to the top of the truck) to reduce or avoid windblown deposition of particulate matter during transportation. • Provide wheel washes to remove particulate matter that vehicles would otherwise carry off site to decrease deposition of particulate matter on area roadways. • Remove particulate matter deposited on paved, public roads to reduce mud and resultant windblown dust on area roadways. • Route and schedule construction trucks to reduce delays to traffic during peak travel times to reduce secondary air quality impacts caused by a reduction in traffic speeds while waiting for construction trucks. • Place quarry spall aprons where trucks enter public roads to reduce mud track out. • Require appropriate emission control devices on all construction equipment powered by gasoline or diesel fuel to reduce carbon monoxide and nitrogen oxide emissions in vehicular exhaust. • Prohibit prolonged construction vehicle idling. • Ensure construction equipment uses high‐grade engine exhaust silencers and engine‐ casing sound insulation. • Minimize the use of generators. • Decontaminate construction equipment at the end of each day, in accordance with a decontamination plan. • Follow the project’s Archeological Finds specification requirements during excavation activities, including having a qualified archaeologist respond to potential inadvertent discoveries of cultural resources. Preliminary traffic control plan Project grading and fill activities would all occur on the South Renton Transit Center site. Further, it is anticipated that, during project activities, the contractor would stage the necessary equipment and materials on the site. Temporary lane closures on adjacent roadways would not be required. The number of trucks entering and exiting the site would be expected to vary over the course of construction. The volume of trucks anticipated for hauling contaminated materials or bringing clean backfill to the site would not affect the current level-of-service on Rainier Avenue S, SR 167, I-405, or other adjacent local roads. c ^_2022-07-19 N:\2022\20220045_H&A_Ripon_GETS_Construct\I_Graphics\I-1_GIS\Fig5_Outboundl_Truck_Route.mxd ERRG-Martinez cimusSource: ESRI World Imagery 0 1 Miles $ Detail Area Source: ESRI World Imagery Source: ESRI World Street Map ^_Trucking Location c Site Location Outbound Truck Figure 5: Inbound Truck RouteSouth Renton Transit Center Remediation Project Renton,Washington Directions: 1. Head east on S Lander St toward 3rd Ave S2. Turn right onto 6th Ave S3.Use the middle lane to turn left to merge onto I-5 S4. Merge onto I-5 S5. Use the left 2 lanes to take exit 154A to mergeonto I-405 N toward Renton6. Take exit 2 toward Renton7. Merge onto WA-167 N8. Keep left to stay on WA-167 N9. Turn Right 750 Rainier Ave S, Renton, Washington ^_ a 2022-07-19 N:\2022\20220045_H&A_Ripon_GETS_Construct\I_Graphics\I-1_GIS\Fig4_Offhaul_Truck_Route.mxd ERRG-Martinez cimusSource: ESRI World Imagery 0 1 Miles $ Detail Area Source: ESRI World Imagery Source: ESRI World Street Map Figure 4: Offhaul Truck Route ^_Site Location a Destination Truck Route South Renton Transit Center Remediation ProjectRenton,Washington Directions: 1. Head west toward Rainier Ave S2. Turn right toward Rainier Ave S3. Turn left toward Rainier Ave S4. Take WA-900 W/Martin Luther King Jr Way S and I-5 N to S Lander St in Seattle5. Turn right onto Rainier Ave S6. Turn left onto SW Sunset Blvd7. Use the left lane to take the ramp onto I-5 N8. Take exit 163 for Columbian Way toward W Seattle Bridge9. Keep right, follow signs for Spokane St/Centurylink Fld/T-Mobile Pk and merge onto S Spokane St10. Turn right onto 4th Ave S11. Turn left onto S Lander St Destination will be on the right S Lander St & 3rd Ave S, Seattle, WA