Steel brace frame being installed in a concrete building seismic retrofit
Home / Construction / Seismic retrofit

Seismic retrofit for commercial and historic buildings.

Structural strengthening and rehabilitation of existing buildings, including the seismic retrofit of the Shrine Auditorium in Los Angeles.

SteelBrace frames
ConcreteStrengthening
HistoricLandmark buildings
OccupiedPhased work
What we do

Stronger buildings, same building.

A seismic retrofit adds strength and connections so an existing building performs better in an earthquake. Burge builds the retrofit your structural engineer designs, and plans the work around the building's use and finishes.

Steel

Steel frames and bracing

New brace frames, moment frames and connections installed inside existing structures.

Concrete and masonry

Wall and foundation strengthening

Strengthening of concrete and masonry walls and foundations, coordinated with new openings and finishes.

Historic

Historic structures

Retrofit and rehabilitation of landmark buildings, including the Shrine Auditorium and the 1927 Laguna Beach Presbyterian Church.

Historic restoration →
Mixed use

Retrofit plus tenant improvements

Retrofit combined with new interiors, as on the Hayward projects: a residence hotel and two commercial buildings.

Tenant improvement →
Process

How a project runs.

Burge can join at any stage, from early budgeting to a design that is ready to build.

01 · ENGINEERING

Review the design

Constructability and pricing review of the engineer's retrofit design.

02 · PLAN

Phase the work

Sequencing around tenants, finishes and building systems.

03 · BUILD

Install

Structural work with special inspection coordination.

04 · CLOSEOUT

Restore and turn over

Finishes restored, punch list and documentation.

Frequently asked

Questions owners ask first.

Straight answers before you call.

What retrofit projects has Burge completed?

Burge's record includes the seismic retrofit and rehabilitation of the Shrine Auditorium in Los Angeles, seismic retrofits with tenant improvements on three buildings in Hayward, and structural restoration of historic buildings in Laguna Beach.

Does my building need a seismic retrofit?

Some California cities require retrofits for certain building types. Your structural engineer and the city determine what applies to your building; Burge prices and builds the design.

Can tenants stay during a retrofit?

Often, yes. Retrofit work can be phased by floor or area so parts of the building stay in use, depending on the design.

Can you combine a retrofit with other upgrades?

Yes. Retrofits are often paired with tenant improvements, accessibility upgrades or new roofs, and Burge Energy can add rooftop solar once the structure is reviewed.

Planning a project like this?