Waller Creek District Master Plan and Tunnel Project

9
Waller Creek District Master Plan and Tunnel Project P.A.R.B. Land, Facilities and Programs Committee March 18, 2013

Transcript of Waller Creek District Master Plan and Tunnel Project

Page 1: Waller Creek District Master Plan and Tunnel Project

Waller Creek District Master Planand Tunnel Project

P.A.R.B. Land, Facilities and Programs Committee

March 18, 2013

Page 2: Waller Creek District Master Plan and Tunnel Project

2

Major Tunnel ContractConstruction Starts

Mid 2013

Nov 2011

March 2011

//////\\\\\\\

July 2012

Parkland Mitigation Contracts Completed:Waller Creek Pedestrian Bridge

Waller Creek Boathouse

Page 3: Waller Creek District Master Plan and Tunnel Project

Tunnel ExcavationNorth Heading• Approx. 2,580 feet from shaft• Near 12th Street• Coordinating with Inlet

Creek Inlet

Creek Inlet

South Heading• Approx. 1,512 feet from shaft• A Block south of Cesar Chavez• Coordinating with Outlet

Page 4: Waller Creek District Master Plan and Tunnel Project

4

Main Tunnel ProjectProject is on scheduleExcavation is CompleteConcrete placement will begin next month and last over a year

Page 5: Waller Creek District Master Plan and Tunnel Project

5

Tunnel Inlet FacilityProject is experiencing some schedule challengesUnderground building structure is almost completeTunnel is being formed

Page 6: Waller Creek District Master Plan and Tunnel Project

Conservancy Initiated Design RevisionsMVVA Design TeamMichael Van Valkenburgh Associates/Thomas Phifer & Partners

• Currently developing Phasing Plan and Costs• Proposed Work: Tunnel Design Assessment• Assistance required from Tunnel Designers

Tunnel Site Restoration Plans MVVA Design Concept

Page 7: Waller Creek District Master Plan and Tunnel Project

Design Revision Examples (Currently Under Review)

7

• Retaining Wall Changes• Roof drain design• Onsite grading and drainage• Electrical/power distribution• Inlet Facility façade changes• Trail/path locations• Tree locations

Page 8: Waller Creek District Master Plan and Tunnel Project

8

Review Process for Design Revisions

• Process is in draft form and subject to revision/refinement

• Process reflects a collaborative effort by COA project management team (Watershed Protection, Public Works, Parks and Recreation, EGRSO, and others).

Page 9: Waller Creek District Master Plan and Tunnel Project

9

Project Milestones and Next Steps

• September 25, 2012

• October 18, 2012

• February 14, 2013

• April-May 2013

• Summer 2013

• Summer 2013

Briefing to PARB on status of design competition

Council affirms selection of MVVA as winning design team.

Council approves design team contract amendments and authorizes limited construction revisions to accommodate the MVVA design.

Design Concept cost estimate

Final Master Plan and funding plan

Joint Development agreement between the City and Waller Creek Conservancy