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Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

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Page 1: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Initial Seismic StudyAlbany USD Schools and Facilities

March 20, 2012

R. P. Gallagher Associates, Inc.

Structural Engineers, Oakland

Page 2: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Schools and Facilities Reviewed

(1) Ocean View ES(2) Marin ES(3) Cornell ES(4) Albany MS(5) Albany HS(6) Albany Children’s Center(7) MacGregor HS(8) District Office(9) Maintenance Facility

Page 3: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Scope of Study

(1) Buildings

(2) Site Hazards

Page 4: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

AB 300 Survey

• Performed by DSA staff

• Buildings built 1933-1978

• Excluded wood frame structures, portables and modular buildings

• Review of drawings

Page 5: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

AB 300 Categories

Category

1

2

Description

Expected to perform well

Require further evaluation

Page 6: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Albany Category 2 Buildings

All have Type RM1 construction

Ocean View 3

Marin 7

10

Page 7: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Reinforced masonry

Page 8: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Reinforced masonry

Page 9: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Wall-roof separation

Page 10: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Wall-roof separation

Page 11: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Wall-roof connections

Page 12: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Wall-roof connections

Page 13: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Albany Site Hazards

Hazard_____ Finding_____

Liquefaction Unlikely

Surface faulting None

Slope Failure Possible (?) at

Children’s Center

Page 14: Initial Seismic Study Albany USD Schools and Facilities March 20, 2012 R. P. Gallagher Associates, Inc. Structural Engineers, Oakland

Recommended Next Steps

1. Evaluate Category 2 buildings

2. Investigate slope at Children’s Center

3. Seek documentation for Little Theater

and portables/modular buildings