Agenda 6:00 Open House 6:30 Presentations Welcome (Ron Endlich) Project Overview (Michelle Ginder) Construction sequence and activity Construction Updates (ped safety, site walls) Nighttime Construction Noise (Jeff Munnoch) Noise Variance Process Noise Impacts and Mitigation Community Involvement and Next Steps 7:15 Q & A 7:45 Return to Open House

6:00 Open House

6:30 Presentations

Welcome (Ron Endlich)

Project Overview (Michelle Ginder)

Construction sequence and activity

Construction Updates (ped safety, site walls)

Nighttime Construction Noise (Jeff Munnoch)

Noise Variance Process

Noise Impacts and Mitigation

Community Involvement and Next Steps

7:15 Q & A

7:45 Return to Open House

Sound Transit Capitol Hill Station Construction Noise and Project Update June 17, 2009 6:00 – 8:00 PM

Agenda 6:00 Open House 6:30 Presentations Welcome (Ron Endlich) Project Overview (Michelle Ginder) Construction sequence and activity Construction Updates (ped safety, site walls) Nighttime Construction Noise (Jeff Munnoch) Noise Variance Process Noise Impacts and Mitigation Community Involvement and Next Steps 7:15 Q & A 7:45 Return to Open House

6:00 Open House

6:30 Presentations

Welcome (Ron Endlich)

Project Overview (Michelle Ginder)

Construction sequence and activity

Construction Updates (ped safety, site walls)

Nighttime Construction Noise (Jeff Munnoch)

Noise Variance Process

Noise Impacts and Mitigation

Community Involvement and Next Steps

7:15 Q & A

7:45 Return to Open House

3.15-mile extension of Initial Segment and Airport Link Capitol Hill Station UW Station and crossover Schedule Design: completed Construction: 6.5 years System testing: 6 months Open for Service: 2016 Adds 70,000 daily riders, 114,000 riders systemwide (2030) University Link

3.15-mile extension of Initial Segment and Airport Link

Capitol Hill Station

UW Station and crossover

Schedule

Design: completed

Construction: 6.5 years

System testing: 6 months

Open for Service: 2016

Adds 70,000 daily riders, 114,000 riders systemwide (2030)

Capitol Hill Station Underground station with 3 entrances Staging area - station and tunnel excavation at site Ridership: 14,000 daily boardings Travel time: 6 minutes to downtown Seattle (University St.) 3 minutes to UW Station

Underground station with 3 entrances

Staging area - station and tunnel excavation at site

Ridership: 14,000 daily boardings

Travel time:

6 minutes to downtown Seattle (University St.)

3 minutes to UW Station

Capitol Hill Station Schedule 1 2 3 4

Demolition and Remediation Jan. 2009 to mid-2009 75% Recycling and salvage goal being met Construction trailers Site will be lowered, paved and remain fenced

Demolition and Remediation

Jan. 2009 to mid-2009

75% Recycling and salvage goal being met

Construction trailers

Site will be lowered, paved and remain fenced

Recycled and Salvaged Items A large amount of materials that otherwise would have been taken to landfills has been removed for re-use. Recycled Demolition Material to Date: 2,890 Tons

A large amount of materials that otherwise would have been taken to landfills has been removed for re-use.

Recycled Demolition Material to Date: 2,890 Tons

2. I-5 Undercrossing Work I-5 undercrossing contract awarded in February Prepares I-5 structures for future tunnel boring machines Work being done now to avoid conflicts with other WSDOT freeway work and later U-Link contracts Coordinated agency outreach to public on ramp closures Contractor incentives to complete the work early Paramount Theater Convention Place Station PINE STREET BOREN STREET NB I-5 SB I-5 Work Area Work Area

I-5 undercrossing contract awarded in February

Prepares I-5 structures for future tunnel boring machines

Work being done now to avoid conflicts with other WSDOT freeway work and later U-Link contracts

Coordinated agency outreach to public on ramp closures

Contractor incentives to complete the work early

I-5 Ramp Closures Pine Street Pike Street Detour info at www.soundtransit.org/u -link   

3. Station Excavation, Tunneling Jan. 2010 to Dec. 2012 Fenced work sites Denny Way and parts of Nagle Place closed to traffic Sidewalks open Will be few short term closures Single Tunnel Boring Machine (TBM) 24/7 surface activity to support tunneling High truck volumes

Jan. 2010 to Dec. 2012

Fenced work sites

Denny Way and parts of Nagle Place closed to traffic

Sidewalks open

Will be few short term closures

Single Tunnel Boring Machine (TBM)

24/7 surface activity to support tunneling

High truck volumes

Construction Walls Plywood walls will surround and screen main construction site perimeter 2010-2015 Wall Height: 8 ft. tall along Broadway 16 ft. tall along 10 th Ave Transition from 8 to 16 ft. along northern (John St.) and southern borders Contractor required to maintain fence (repaint annually, graffiti removal within 24 hours) Appearance will include ST Art program elements, ST project information, and Capitol Hill business marketing elements

Plywood walls will surround and screen main construction site perimeter 2010-2015

Wall Height:

8 ft. tall along Broadway

16 ft. tall along 10 th Ave

Transition from 8 to 16 ft. along northern (John St.) and southern borders

Contractor required to maintain fence (repaint annually, graffiti removal within 24 hours)

Appearance will include ST Art program elements, ST project information, and Capitol Hill business marketing elements

Truck Haul Routes (beginning 2010) High visibility crossing signs Re-stripe crosswalks Restrict parking at intersections

High visibility crossing signs

Re-stripe crosswalks

Restrict parking at intersections

SDOT Pedestrian Improvements Crosswalk and warning signs on the east leg of Summit Ave and Denny Way Curb bulb on the SW corner of E Denny Way and Boylston Ave. Further options to improve the crossing of Olive Way at Boylston Ave. are under consideration

Crosswalk and warning signs on the east leg of Summit Ave and Denny Way

Curb bulb on the SW corner of E Denny Way and Boylston Ave.

Further options to improve the crossing of Olive Way at Boylston Ave. are under consideration

4. Station Construction Jan. 2013 to Dec. 2015 Less trucking activity Sidewalks open Will be few short term closures Cut and cover pedestrian tunnel across Broadway (6 months) Roadway remains open Parking restrictions near work

Jan. 2013 to Dec. 2015

Less trucking activity

Sidewalks open

Will be few short term closures

Cut and cover pedestrian tunnel across Broadway (6 months)

Roadway remains open

Parking restrictions near work

Capitol Hill Station Construction Noise Variance for Nighttime Construction

Why must work occur at night? Anticipate two years of 24/7 construction activity to support tunneling work at Capitol Hill site beginning in early 2011 Certain activities are required for tunnel worker safety Maximizes project safety, efficiency, duration and cost

Anticipate two years of 24/7 construction activity to support tunneling work at Capitol Hill site beginning in early 2011

Certain activities are required for tunnel worker safety

Maximizes project safety, efficiency, duration and cost

What goes on at night? No high impact equipment (jackhammers, concrete saws, etc.) Type of Equipment : Tunnel ventilation fans, pumps, air compressors Generators Vehicles hauling and delivery trucks muck haul trucks front-end loaders, backhoe loaders, excavators

What goes on at night?

No high impact equipment (jackhammers, concrete saws, etc.)

Type of Equipment :

Tunnel ventilation fans, pumps, air compressors

Generators

Vehicles

hauling and delivery trucks

muck haul trucks

front-end loaders, backhoe

loaders, excavators

Noise Mitigation Requirements Solid plywood construction screening wall between 8-16’ tall around site

Stationary equipment (compressors, generators) enclosed in noise reducing material Noise Mitigation Requirements

Nighttime Truck Operations No tonal back up alarms Engine idle limit of 5 minutes Haul trucks prohibited on 10 th Ave E during night hours No compression brakes Muck haul bins lined with noise dampening material Noise Mitigation Requirements

Nighttime Truck Operations

No tonal back up alarms

Engine idle limit of 5 minutes

Haul trucks prohibited on 10 th Ave E during night hours

No compression brakes

Muck haul bins lined with noise dampening material

Existing noise on 10 th Ave Existing noise on Broadway

Nightime Noise Predictions Hourly night-time average 54 dba existing 65 dba construction + 0 to11 dba 65 dba existing 70 dba construction + 0 to 5 dba

Monitoring and Responding to Complaints Continuous sound monitoring stations 24 - hour construction hotline: 1-888-298-2395 Independent response by City Noise Abatement Specialist City, ST and contractor will investigate, determine how to prevent future incidents, and respond back to caller City review after 1 year

Continuous sound monitoring stations

24 - hour construction hotline: 1-888-298-2395

Independent response by City Noise Abatement Specialist

City, ST and contractor will investigate, determine how to prevent future incidents, and respond back to caller

City review after 1 year

Capitol Hill Site Noise Variance Requires application for Major Public Project Construction Noise Variance from City of Seattle Noise variance establishes noise limits for contractor work between 10pm - 7am weekdays, 10pm - 9am weekends, holidays Daytime construction activities will comply with City’s construction noise limits

Requires application for Major Public Project Construction Noise Variance from City of Seattle

Noise variance establishes noise limits for contractor work between 10pm - 7am weekdays, 10pm - 9am weekends, holidays

Daytime construction activities will comply with City’s construction noise limits

Next Steps Receive comments and questions tonight ST to incorporate feedback into variance application City of Seattle (DPD) will hold a public meeting to receive comments late summer City will decide whether to approve a noise variance within 60 days after public comment is received Contractor will prepare a detailed noise management plan Follow-up information at meeting(s) later this year Tunnel construction activities begin – early 2011

Receive comments and questions tonight

ST to incorporate feedback into variance application

City of Seattle (DPD) will hold a public meeting to receive comments late summer

City will decide whether to approve a noise variance within 60 days after public comment is received

Contractor will prepare a detailed noise management plan

Follow-up information at meeting(s) later this year

Tunnel construction activities begin – early 2011

Staying Informed Monthly electronic newsletters www.soundtransit.org /subscribe Printed and electronic construction alerts Regular construction update meetings Full time outreach staff 24 hour construction hotline 1-888-298-2395

Monthly electronic newsletters www.soundtransit.org /subscribe

Printed and electronic construction alerts

Regular construction update meetings

Full time outreach staff

24 hour construction hotline 1-888-298-2395

Questions?