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ZDX Industries provides engineering, permitting, and construction services for soft-story retrofit projects throughout Southern California. Our team works with property owners, managers, and HOAs to evaluate existing structures, navigate city requirements, and complete practical seismic retrofit solutions that protect buildings and occupants.
We have completed soft-story retrofit projects for multifamily residential and mixed-use buildings throughout the City of Los Angeles and surrounding communities, including projects subject to mandatory retrofit ordinances.
A soft-story building is typically a multi-story wood-frame structure with a large open area at the ground floor level that creates a structural weakness. This weakness can cause the building to collapse at the soft story during a major earthquake.
Site inspection and structural assessment to determine retrofit requirements and ordinance compliance obligations.
Engineering and design of cost-effective soft-story retrofit solutions, including moment frames, shear walls, and hold-downs.
Permit expediting and plan check coordination with LADBS and other local agencies to keep your project on track.
Complete retrofit construction with phased and occupied-building strategies to minimize disruption to residents.
Communication planning and phased work scheduling to protect residents and maintain occupancy during construction.
End-to-end project management from structural engineer coordination through final city sign-off and closeout.
Steel moment frame retrofit of a tuck-under parking soft-story apartment building. ZDX excavated new spread footings, installed steel columns and beams connected to the existing wood-frame diaphragm above, and completed stucco soffit repairs — all with residents in place throughout construction.
Steel moment frame retrofit of a soft-story apartment building in West Hollywood. ZDX installed new steel columns and beams within the existing tuck-under parking structure, encased them in lath and stucco to match the existing finish, and completed all soffit repairs — with tenants in residence throughout.
Steel moment frame retrofit of a multi-unit tuck-under parking apartment building. ZDX installed new steel columns paired with the existing stucco columns, constructed reinforced concrete grade beams, replaced the garage slab, and completed full lath and stucco finishes — all with residents in place and parking maintained throughout construction.
Steel moment frame retrofit of a tuck-under parking apartment building in Santa Monica. ZDX installed new steel columns and moment beams, rebuilt the garage slab, and completed full lath and stucco enclosures on all new and existing columns — delivering a clean, fully integrated finish with residents in place throughout.
Contact ZDX Industries today for a free consultation. We'll review your building and walk you through the process — no obligation.
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