Eccentric vs. Concentric Continuous Footings

There are two types of continuous footings that can be used to support exterior walls in residential construction. The eccentric continuous footing,   and the concentric continuous footing.   However, after conducting many post-earthquake damage assessments, we believe the eccentric continuous footing is susceptible to cracking in the slab. When the walls rack in an…

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Raised Floor Foundations

Residential raised floor foundations represent a hazard during an earthquake provided they are not adequately bolted and braced. The homeowner can determine if these conditions are present by: Identifying the Sill Plate – With the use of a flashlight, the homeowner is to look at the top of the concrete footing. There will be a…

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Rain Damaged Structures

Railroad Street City of Industry CA Safeco Insurance KB Construction Company Heavy raid caused a 24 x 24 foot portion of the roof to collapse. Our team was on site the very next day to determine the damage to structural elements adjacent to the affected area and expedited the construction documents necessary to secure the…

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Structural Peer Review

Olen Pointe Brea CA Ross Andrews & Associates This five-story office complex is framed with steel wide flange and tapered steel girders to support gravity forces. Wind and seismic forces are resisted by Eccentric Braced Frames and Reduced Beam Section Special Moment Resisting Frames.     PTR Homestead Brea CA CLC Associates Inc This is…

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