Commercial rooftop solar array

Full-service structural engineering

Keep structural from holding up your project.

From complex seismic and equipment anchorage challenges to straightforward calculations stamped by Professional Engineers, APEX delivers practical engineering that helps contractors, EPCs, and owners keep moving.

  • Fast, responsive support
  • Constructible solutions
  • Deliverables stamped by Professional Engineers

AnchorageEquipment, rooftop, and ground-mounted systems

Seismic & windCode-based analysis and restraint design

PermittingCalculations and responses built for AHJ review

What we solve

Engineering support built around the project schedule

APEX provides focused structural engineering support from early design through plan check and field coordination.

02

Seismic & wind

Site-specific restraint, bracing, and support solutions designed to current building-code requirements.

03

Existing structures

Rooftop support analysis, equipment replacement evaluations, and full-building checks when the existing structure is part of the question.

04

AHJ & plan-check support

Clear calculations, details, and responses that address reviewer comments and help stalled permits move forward.

05

Upgrades & repairs

Practical structural upgrades and repair details for concrete, masonry, timber, steel, and aluminum systems.

Simple or complex

Just need stamped calculations?

Send us the project documents. We’ll quickly identify what is needed and give you a clear path forward.

Send project details

Full-service structural engineering.

Decades of structural work from Hawaii to New York, from custom homes to cell towers. Commercial buildings, industrial facilities, and everything bolted to them.

See everything we design

01

Buildings

  • Custom homes & additions
  • ADUs & garages
  • Porches, decks & cabanas
  • Multifamily & mixed-use
  • Commercial & office
  • Tenant improvements
  • Warehouses & industrial
  • Pre-engineered metal buildings
  • Cold storage facilities
  • Agricultural buildings

02

Foundations

  • Spread & continuous footings
  • Mat & post-tensioned slabs
  • Slabs on grade
  • Drilled piers & caissons
  • Helical & driven piles
  • Grade beams
  • Equipment pads
  • Retaining walls
  • Underpinning

03

Structures

  • Canopies & shade structures
  • Mezzanines & platforms
  • Stairs & guardrails
  • Signs, poles & flagpoles
  • Towers & monopoles
  • Tanks & silos
  • Walls & fences
  • Pipe racks

04

Industrial, Mechanical & Electrical

  • Equipment anchorage
  • Rooftop equipment supports
  • Piping & cable tray supports
  • Generators & switchgear
  • Transformers
  • Battery energy storage
  • EV charging
  • Nonstructural seismic bracing

05

Energy & Telecom

  • Residential rooftop solar
  • Commercial rooftop solar
  • Ground-mount solar
  • Carport solar
  • Cell sites & antennas

06

Existing Structures

  • Condition assessments
  • Damage evaluations
  • Seismic retrofits
  • Soft-story retrofits
  • Repairs & strengthening
  • New-load evaluations

07

Materials

  • Wood
  • Steel
  • Cold-formed steel
  • Concrete
  • Post-tensioned concrete
  • Masonry
  • Aluminum

08

Permitting & Construction

  • Plan check responses
  • Special inspections
  • Site observations
  • RFIs & submittals

Where we work

Specialized support for fast-moving infrastructure

Our team understands the permitting, schedule, and coordination pressures behind energy and electrical projects.

01

Solar & renewables

Residential, commercial, rooftop, and ground-mount structural support.

02

Battery energy storage

Equipment anchorage, sub-base design, and structural review for BESS installations.

03

EV charging

Anchorage and support for chargers, switchgear, transformers, and associated electrical equipment.

04

Mission-critical & commercial

Responsive engineering for contractors, facilities, data centers, and complex tenant improvements.

05

Buildings & telecom

Structural design, foundations, upgrades, repairs, and communication-system support.

Why APEX

Responsive engineering. Clear answers. Buildable results.

We work as an extension of your project team, combining technical depth with practical coordination from concept through construction.

Start a project
Fast communication

Direct, responsive support when schedules tighten or field questions arise.

Code-compliant design

Solutions tailored to the site, equipment, governing code, and AHJ expectations.

Practical details

Engineering that considers how the work will actually be installed.

Broad material expertise

Experience across concrete, masonry, timber, steel, aluminum, and existing conditions.

Licensure

Licensed Professional Engineering

Licensed in states home to half the U.S. population.

Clients

Project intake

Tell us about your project.

Share the information you have now. APEX will review the request and follow up about scope, schedule, and next steps.

Plans or photos? Paste a Dropbox, Google Drive, SharePoint, or other share link in Project details above, or email your files directly.

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Start a conversation

Not ready to submit a full project?

Call or email us. We’ll help you understand what information is needed to get started.

Emailapex@thestructurals.com Phone408-379-2068

Office1484 Pollard Road #353
Los Gatos, California 95032