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Regional Connector Transit Corridor Community Construction Update March 25, 2015-Little Tokyo Branch Library
Regional Connector Transit Corridor Community Construction Update March 25, 2015-Little Tokyo Branch Library
• Project Overview
• Regional Connector Community Leadership Council
• Advanced Utility Relocation Update and Look-Ahead
• Design-Build Update and Look-Ahead
• Tree Removal and Replacement Overview
• Eat, Shop, Play
• Questions & Answers
Tonight’s Agenda
Project Overview
• Advanced utility relocation contractor started work February 2014
• Design/Build contractor: Skanska Traylor Bros. Joint Venture, Regional Connector Constructors (RCC):
Metro Board Approval: April 24, 2014
Notice to Proceed on July 7, 2014
Project Overview
1.9 mile underground light rail connecting the Metro Gold Line at 1st St/Alameda to 7th St/Metro Center.
3 underground stations:
• 1st St/Central Av
• 2nd St/Broadway
• 2nd Pl/Hope St
Connects Metro Gold Line, Metro Blue Line, and Expo Line
One seat ride from Azusa to Long Beach and East LA to Santa Monica
Project Overview
Project Overview
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> An eight member advisory body appointed by Metro and divided by station area
> Provides community-based input to Metro, including feedback on the project's design, construction, and safe operation
> Liaison to a wider group of alignment stakeholders
> Advise and partner with Metro on actions necessary to implement the Mitigation Monitoring and Reporting Plan
> Involvement opportunities
Community Leadership Council (CLC)
Utility Relocation Construction Updates
Typical cross-section of underground utilities
Completed construction activities
• Power utility line relocation:
1st St/ Central Av
2nd Pl/Hope St
• LADWP power cutover, intercept, and cable work:
2nd Pl/Hope St
Flower St between 4th and 5th Sts
1st/Alameda
Advanced Utility Relocation Update
Images from 2nd
St vault installation
Completed construction activities
• Southern California Gas utility line relocation:
2nd Pl/Hope St
Flower St/Financial District
2nd St/Broadway
• AT&T: Flower St/Financial District & 1st/Central
• Time Warner Cable: 2nd/Broadway & 5th and Flower St
• MCI: Flower St/Financial District
• Level 3: Flower St/Financial District
3rd Party Utility Relocation Update
Utility Relocation Update
Current/ongoing construction activities:
• Power utility line relocation: 2nd St/Broadway
Flower St/Financial District
• Water utility line relocation: 1st St/Central Av
Flower St/Financial District
• LADWP Power cutover, intercept and cable work: Flower St/Financial District
• Installation of temporary water line by-pass: Flower St/Financial District
• Telecommunication cable pulling and splicing work: 1st St/Central Av
2nd St/Broadway
Flower St/Financial District
Upcoming construction activities
• Water utility line relocation: 2nd St/Broadway (anticipated Summer 2015)
• Storm drain utility line relocation: 1st St/Central Av (anticipated Spring 2015)
2nd St/Broadway (anticipated Spring 2015)
Flower St/Financial District (anticipated Fall 2015)
• LADWP Power cutover, intercept, and cable work: 2nd St/Broadway (anticipated April 2015)
Flower St between 5th and 6th (anticipated Spring 2015)
• Sewer utility line relocation: 1st St/Central Av (anticipated Summer 2015)
Utility Relocation Update
A construction worker drives a backhoe loader to excavate a trench on Hope St at 2nd St in preparation for LADWP utility relocation; another worker acts as a flagger to ensure safety.
Relocating utilities is a delicate process, requiring workers to work in deep and very tight places
Design Builder, RCC, Construction Updates
• Will be used throughout design-build construction
• Reconfiguration of mangrove parking facility
• Exploratory potholing
• Construction of electrical substation
• Installation of utility lines
• Installation of trailers
• Pile installation (location of tunnel boring machine pit)
Mangrove Yard Staging Site 1st St/Alameda St
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Construction Staging – Mangrove Site
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TBM
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• Pre-construction CCTV inspection of underground sewer and storm drain lines
• Acoustic leak detection testing of existing water mains
• Demolition of buildings at future 1st St/Central Av Station
• Metro begins mobilization of station staging yard
• Final project design in progress
1st St/Central Av Station What’s Happened So Far
Worker utilizes a hydrovac to carefully survey underground utilities on Central Av in preparation for the future 1st St/Central Av Station.
1st St/Central Av Station What’s Happened So Far
• Geotechnical investigation and vibration testing
• Pre-construction surveys
• Exploratory potholing at 1st St/Central Av station
• Pre-trenching work in preparation for pile installation (April 1, 2015)
• Installation of new 24” storm drain (April 6, 2015)
• Roadway widening of westbound 1st St (Alameda to Vignes) (April 2015)
• Final project design in progress
1st St/Central Av Station What’s Next: 90 Day Look - Ahead
What: • Exploratory trenching to confirm
existing utility locations in preparation for future support of excavation pile installation
Where: • 1st St/Alameda intersection; 1st St
between Central Av and Hewitt St; Alameda St, north and south of 1st St
When: • Wednesday, April 1, 2015
(anticipated start date)
• Work hours 7AM-3:30PM
• Duration: ~10 weeks
1st St/Central Av Station Pre-Trenching for Pile Installation
Traffic Control: • 8 phases
• Lane reductions on Alameda St
• Limited eastbound OR westbound directional closures on 1st St
What: • Roadway widening of westbound
1st St between Alameda St and Vignes St
Where: • Westbound 1st St between
Alameda and Vignes St
When: • Mid-April 2015
• Work hours 7AM-5:30PM
• Duration: 4 weeks
1st St/Central Av Station Westbound 1st St Roadway Widening
Traffic Control: • Installation of K-rail along
westbound 1st St between Alameda and Vignes St.
• Curb lane reduction on westbound 1st St between Alameda and Vignes St.
• K-rail installation will require a one-day westbound directional closure of 1st St between Alameda and Vignes St.
• Sidewalk restrictions
What: • Seven trees will be removed
because they are are in conflict with installation of new utility line and road widening.
Where: • North side of sidewalk on 1st St
between Alameda and Vignes Sts
When: • April 2015 (anticipated start date
pending City of L.A. permit approval)
• Work hours 7AM-4PM
Removal of Trees along Westbound 1st St between Alameda and Vignes Sts
Traffic Control: • Lane closures will be performed
per LADOT approved plans.
Permit Approval: • The Board of Public Works has
scheduled to hear the tree removal request for this location on Friday, March 27, 2015 at 10AM. Location: Los Angeles City Hall 200 N. Spring St, Room 350
Los Angeles, CA 90012
• Geotechnical investigation and vibration testing
• Pre-construction CCTV inspection of underground sewer and storm drain lines
• Acoustic leak detection testing of existing water mains
• Design-Builder (RCC) takes possession of station staging yard
• Exploratory potholing at 2nd St/Broadway station box perimeter began
• Final project design in progress
2nd St/Broadway St Station What’s Happened So Far
• Pre-construction surveys
• Exploratory potholing at 2nd St/Broadway station box perimeter
• Final project design in progress
• 2nd St 5-month Extended Full Closure (anticipated May 2, 2015): MCI telecommunication utility relocation
AT&T telecommunication utility relocation
City of LA storm drain utility relocation
LADWP water line relocation
Pre-trenching work in preparation for pile installation
Supportive of Excavation Pile Installation
Decking
2nd St/Broadway Station What’s Next: 90 Day Look - Ahead
What: • Utility relocations (MCI, AT&T,
LADWP, and storm drain)
• Pre-trenching in preparation for pile installation
• Support of excavation pile installation
• Decking
Where: • 2nd St between Spring St and
Broadway
2nd St/Broadway Station 2nd St 5-month Extended Full Closure
When: • Early May – late September, 2015
• Work hours: Monday through Friday: 7AM-11PM, Saturday: 8AM to 8PM.
• Seeking night variances for weekend closures during decking operations
Traffic Control: • Full closure of 2nd St between Spring St
and Broadway
• Weekend closures of 2nd and Broadway intersection during decking operations
• Geotechnical investigation and vibration testing
• Pre-construction CCTV inspection of underground sewer and storm drain lines
• Acoustic leak detection testing of existing water mains
• Exploratory potholing at 2nd Pl/Hope St station box perimeter began
• Final project design in progress
2nd Pl/Hope St Station What’s Happened So Far
• Pre- construction surveys
• Exploratory potholing at 2nd Pl/Hope St station box perimeter began
• 2nd Pl Bridge demolition
• Final project design in progress
2nd Pl/Hope St Station What’s Next: 90 Day Look - Ahead
• Geotechnical investigation and vibration testing
• Pre-construction CCTV inspection of underground sewer and storm drain lines
• Acoustic leak detection testing of existing water mains
• Utility potholing at Flower St/Financial District to support final design began
• Final project design in progress
Flower St/Financial District What’s Happened So Far
• Pre-construction surveys
• Utility potholing at Flower St/Financial District to support final design
• Utility relocations
• Final project design in progress
Flower St/Financial District What’s Next: 90 Day Look - Ahead
Tree Removal & Replacement Overview
• The Design-Builder retained an arborist and a landscape architect.
• Arborist has evaluated the condition, health, and size of the trees in the alignment.
• A tree mitigation plan has been created and submitted to the City’s Bureau of Street Services/Urban Forestry Division.
• Landscape architect is in the process of drafting the landscaping plan in accordance to City standards.
Overview
Pyrus calleryana on east 2nd St between San Pedro St and Central Av
• Estimated 118 trees need to be removed to support construction in the following locations (this number is based on 60% final design):
> Little Tokyo: approx. 42 trees
> 2nd St/Broadway: approx. 6 trees
> 2nd St/Hope: approx. 46 trees
> Flower St from 4th St to Wilshire Bl: approx. 24 trees
• Trees will be removed based on construction phasing: Spring and Summer 2015.
• Trees will be replaced at a minimum of 2 to 1 ratio.
• Tree replacement is determined through the landscape plan which is currently being prepared for the City.
Tree Removal and Replacement
Project-wide Tree Removal
Project Area
Number to be
Removed Reasons for Removals
Time Frame
of Removal Tree Species to be Removed Common Name
East 1st Street
(east of Alameda St)9
Roadway widening,
utilities excavation April, 2015
Handroanthus Impetiginosus Pink Trumpet
Handroanthus Impetiginosus Pink Trumpet
Prunus Serrulata Japanese Cherry
Persea Americana Avocado
Pyrus Calleryana Callery pear
Prunus serrulata Japanese Cherry
Ficus Microcarpa Indian laurel-leaf fig
Platanus Hispanica, London plane tree
Afrocarpus Falcatus Fern pine
Jacaranda Mimosifolia Jacaranda
Washingtonia Robusta Mexican fan palm
Pinus Canariensis Canary Island pine
Cupaniopsis Anacardioides Carrotwood
Hymenosporum Flavum Sweetshade
Ficus sp. Fig
Jacaranda Mimosifolia Jacaranda
Ficus Microcarpa Indian laurel-leaf fig
Magnolia Graniflora Southern magnolia
Washingtonia Robusta Mexican fan palm
Station excavation May, 2015
2nd St and San Pedro St 12Gorund improvement,
subsurface groutingJune, 2015
1st St and Central Ave
Station21
Flower St 24 utility excavation,
roadway widening
June -
August, 2015
2nd St and Broadway
Station6 Station excavation May, 2015
2nd St and Hope St
Station46
Station excavation,
roadway grade
modifications
May, 2015
• Final Environmental Impact Report (FEIR) outlines required landscape plan.
• Design-Builder will use city requirements and the City’s existing palate to create draft plan.
• Tree species are specifically proposed and approved by the City because of their success growing in the Los Angeles environment.
Landscape Plan Process
Platanus hispanica on
2nd St between Hill St and Main St
• Metro submitted tree removal permit application to Bureau of Street Services/Urban Forestry Division (UFD).
• UFD will submit report to Board of Public Works for approval.
• Tree removal process(for 3 or more trees) requires 30-day posting period to allow for public comment.
• Tree removal notification system
• http://bsspermits.lacity.org/treepostings/
• Trees will be removed based on construction phasing and pending City of Los Angeles permit approval.
City of Los Angeles Tree Removal Process
Conclusion of project-area discounts Introduction of new campaign: • Eat, Shop, Play (details to come) Other business promotional opportunities with Metro Fore more information, see Lily Liang
Metro Business Promotional Opportunities
• Next Construction Update Community Meeting: First week of June 2015
• Meeting venue will rotate along the alignment.
• Regional Connector Leadership Council Station Area Committees meet monthly to discuss station specific issues.
Future Community Meetings
Contact us
www.metro.net/regionalconnector
twitter.com/metroconnector
facebook.com/metroregionalconnector
213.922.7277
