F. EXAMPLE PROJECTS WHICH BEST ILLUSTRATE PROPOSED TEAM’S QUALIFICATIONS FOR THIS CONTRACT
20. EXAMPLE PROJECT
KEY NUMBER.
(Present as many projects as requested by the agency, or 10 projects, if not specified. Complete one Section F. for each project.)
21.
TITLE AND LOCATION (C
ITY AND STATE)
SAN FRANCISCO PUBLIC UTILITIES COMMISSION (SFPUC)
SUNNYDALE AUXILIARY TUNNEL PROJECT
22. YEARS COMPLETED
PROFESSIONAL SERVICES
CONSTRUCTION (IF APPLICABLE)
09/2010 – 09/2012
23. PROJECT OWNER’S INFORMATION
A.PROJECT OWNER
SFPUC / Super Excavators, Inc.
B. POINT OF CONTACT NAME
Monique Mead / Doug Stoffel
, PM
C. POINT OF CONTACT TELEPHONE NO.
(510) 207-1387
24. BRIEF DESCRIPTION OF PROJECT AND RELEVANCE TO THIS CONTRACT (
INCLUDE SCOPE, SIZE,
AND COST)
Project Description and Scope:
The project installed 4,000 linear feet of concrete tunnel, from Harney Way to Talbert Street, via Sunnydale Avenue. Three distinct excavation methods were used in the construction of the tunnel – Earth Pressure Balance TBM ; Micro -tunneling; pipe jacking and jet grouting .
Internally-Braced Excavations
Three internally -braced excavations were constructed on the project:
- Harney Way Excavation – Constructed at Harney Way, by the 101 Underpass, to launch the TBM;
- Bayshore Excavation – Constructed at Bayshore/Sunnydale Ave to retrieve the TBM and launch the Micro -tunnel;
- Talbert Excavation – Constructed at Talbert St to retrieve the Microtunnel.
ASC’s Scope:
Dr. Oyenuga was the Construction Tunnel / Geotechnical / Instrumentation Engineer for the Contractor . He was in charge of the following scope items:
- All Geotechnical & Tunnel Instrumentation ; inclu ding the three excavations on the project;
- All Railroad Instrumentation ;
- Noise & Vibration Monitoring;
- Pre -construction Survey ;
The tunnel crossed Public and Private property, and Dr. Oyenuga interfaced with the following California Agencies and private property owners :
- Caltrans);
- Union Pacific Railroad (UPRR) ;
- The Recology properties ;
- Norcal Propert y
- Private home owners along Sunnydale Avenue ;
- SF MUNI;
- SFPUC
- Amtrak /Caltrain’s Bayshore Station; with 72- hr straight tunneling under the station
Challenges and Solutions:
Given the large number of stakeholders, Dr. O yenuga installed over 170 monitoring points on property and infrastructure, such as: the Harney W ay Excavation, the Bayshore Excavation, the Talbert Excavation, 101 freeway and Un derpass, the Recology Properties, SFPUC Property, SFMUNI Property, Bayshore Caltrain Station , UPRR track , Norcal , and private homes along the alignment.
All the Geote chnical Instrumentation, Sound Control and Vibration Control and Monitoring of the constructi on and existing structure sat the sit e are being provided with automated, real-time instrumentation, linked to our Web-based Central Server.
Construction Cost: Approximately $60 Million
25. FIRMS FROM SECTION C
INVOLVED WITH THIS PROJECT
(1) Firm Name
Analysis & Solutions Consultants
(2) Firm Location
(City and State)
San Francisco, CA
(3) Role
Geotech.
Tunnel
& Excavation Instrumentation
Geotech.
Tunnel
& Excavation Instrumentation
