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STRUCTURAL ENGINEERING PLANS & CALCULATIONS

Structural Engineering Plans for Permits, Construction & Plan Review

Permit-focused structural drawings and calculations for foundations, framing, beams, columns, lateral systems, connections and structural alterations. Nationwide project support with PE review coordination when the jurisdiction or technical scope requires it.

Structural permit drawings showing beams, columns, foundations and framing supporting a residential building
Foundation and footing details for a structural permit project
Complete deck structural permit drawing package
Permit-Focused Structural SupportFoundations · framing · calculations · PE review
Structural PlansFoundation, floor, wall, roof and connection drawings
Engineering CalculationsProject-specific member, load and stability analysis
PE CoordinationProfessional review when required by state and scope
Permit CorrectionsStructural revisions based on reviewer comments

What Structural Engineering Plans Actually Do

Structural plans explain how loads move through a building and how the load-bearing systems are intended to resist those forces. A coordinated package connects the roof, floors, walls, beams, columns, connections and foundations so the structure can be reviewed as one load path rather than as isolated pieces.

For permit review, the drawings must also coordinate with the architectural design. Openings, wall locations, roof geometry, floor levels, equipment loads and proposed alterations can all change the structural analysis. That is why structural engineering usually begins with the building design and verified existing conditions, not with a generic detail sheet.

Residential foundation plan with slab, footings and foundation plan notes
Structural permit drawings should coordinate the complete support system, not just one member.
STRUCTURAL SERVICES

What We Can Prepare and Coordinate

The exact package depends on the project, adopted local code, structural system, available source documents and whether professional engineering review is required.

Complete structural permit drawing package with framing, foundation and connection information
FULL STRUCTURAL SCOPE

Complete Structural Building Packages

Coordinated foundation, floor-framing, wall-framing, roof-framing, lateral-system, beam, column, connection and structural-detail drawings for new buildings, additions and major renovations.

COORDINATE WITH A FULL PERMIT SET →
Foundation and slab structural design details

Foundation & Slab Design

Footings, slabs, stem walls, piers, grade beams, reinforcement, anchors and foundation details developed from building reactions and site assumptions.

Structural roof framing plan with beams, rafters and framing notes

Beam, Header & Wall-Removal Engineering

Beam sizing, posts, bearing, connections and support below for new openings or removal of load-bearing walls.

Deck porch and patio structural permit drawing package

Deck, Porch & Patio Structures

Footings, posts, beams, joists, ledgers, roof framing, hold-downs and attachment to existing construction.

Deck & porch plans →
Metal building structural framing and foundation permit plans

Metal Buildings & Pole Barns

Foundation design and structural coordination using manufacturer reactions, anchor requirements and building geometry.

Metal building planning →
Structural drawings for retaining and site support elements

Retaining Walls & Structural Site Elements

Wall stability, reinforcement, footing design and structural assumptions coordinated with grading, drainage and soil information.

Retaining wall plans →
Commercial and accessory building structural permit plans

Commercial Structural Alterations

Openings, framing modifications, equipment supports, mezzanines and localized reinforcement for tenant improvements and commercial work.

NEED STRUCTURAL PLANS FOR PERMIT REVIEW?

Send the project address, drawings and photos. We’ll help define the structural scope before drafting starts.

What a Structural Permit Package May Include

The final sheet list is selected for the actual building system and reviewing authority. Not every project needs every item below.

Design Criteria & General Notes

  • Project address and scope
  • Applicable code references
  • Material specifications
  • Design loads and assumptions
  • Structural notes and schedules

Foundation Plans

  • Continuous and isolated footings
  • Slab-on-grade information
  • Stem walls, piers or grade beams
  • Reinforcement and anchorage
  • Foundation dimensions and details

Floor & Roof Framing

  • Joists, rafters, trusses and beams
  • Member sizes and spacing
  • Headers and concentrated loads
  • Framing direction and bearing
  • Openings and equipment loads

Lateral & Connection Details

  • Shear walls and braced lines
  • Diaphragm/load-path information
  • Hold-downs and anchors
  • Beam/post connections
  • Uplift and lateral connections

Structural Calculations

  • Gravity-load analysis
  • Wind, snow or seismic where applicable
  • Member strength and deflection
  • Foundation/bearing checks
  • Connection capacities

Professional Review

  • PE review when required
  • Signed/sealed documents when included
  • Calculation package coordination
  • Permit comment responses
  • Final permit-ready PDF package

Engineering Starts With the Load Path

A structurally correct detail has to make sense within the building around it. A new beam can create larger reactions at posts. Those posts can overload framing or slabs below. A roof change can alter wind uplift, diaphragm forces and bearing conditions. A foundation change can affect settlement assumptions and anchorage.

Our structural workflow therefore follows the load from where it is applied to where it reaches the supporting soil or existing structure. That approach is especially important for alterations and existing buildings, where hidden conditions can change the design assumptions.

GravityDead, live and concentrated loads
WindPressure, uplift, lateral forces and anchorage
SnowRoof snow, drift, sliding and unbalanced conditions
SeismicLateral resistance, diaphragms and anchorage where applicable
Soil / FoundationBearing, settlement assumptions and support reactions
Existing ConditionsVerified framing, supports, openings and foundations
MATERIALS & STRUCTURAL SYSTEMS

Structural Materials and Systems We Can Coordinate

The material alone does not determine the engineering scope. Geometry, span, support conditions, connections, exposure, site loads and construction type all affect the analysis and detailing.

For mixed or existing construction, the connection between old and new systems is often just as important as the member sizing itself.

  • Conventional wood framing
  • Engineered lumber and wood trusses
  • Structural steel
  • Cold-formed steel framing
  • Reinforced concrete
  • Concrete masonry / reinforced masonry
  • Pre-engineered metal building systems
  • Mixed-material existing structures

Building Codes, Loads and Local Jurisdiction Matter

Structural design is not based on one nationwide permit rule. The applicable building code, residential code, referenced structural standards, local amendments and review practices depend on the project location and building type.

Design criteria such as wind speed, snow loading, seismic parameters, frost depth, flood/coastal exposure and soil conditions can change from one jurisdiction to another. We confirm the project address and available site information before defining the final engineering scope.

Browse our state, county and city permit pages →
ALREADY HAVE ARCHITECTURAL PLANS OR CITY COMMENTS?

Send the current drawings and reviewer notes so we can identify the structural sheets, calculations and revisions that may be needed.

PE REVIEW & STAMPING

When Does a Structural Package Need a Professional Engineer?

Some work can be permitted under prescriptive provisions; other work requires engineered analysis or a professional seal. The answer depends on the jurisdiction, scope, building system and whether the project falls outside prescriptive limits.

When a licensed professional is required, we can coordinate review based on the state and structural discipline. Signature and seal are subject to the reviewing professional's independent judgment and acceptance of the final documents.

Engineer reviewing a plan set with a magnifier

What to Send for a Structural Review

Send what you already have. We can identify gaps before design begins rather than forcing you to guess which documents are needed.

  • Complete property address
  • Architectural floor plans and elevations
  • Site plan or property survey
  • Existing structural drawings, if available
  • Photographs of existing framing and supports
  • Building sections and roof geometry
  • Proposed construction materials
  • Truss or manufacturer documents
  • Geotechnical report or soil information, if available
  • Equipment loads and locations where applicable
  • Permit correction letter if already under review

Drawing Coordination Workflow

Structural plans work best when architectural, site and engineering information are coordinated from the same project scope.

Our Structural Project Workflow

A clear scope at the beginning reduces redesign, missing information and permit-review back-and-forth.

Submit the project informationAddress, drawings, photos, dimensions, manufacturer data and permit comments if available.
Define the structural scopeWe identify the affected systems, required calculations, missing inputs and PE-review requirements.
Prepare and coordinateStructural drawings and calculations are developed around the architectural design and verified inputs.
Technical / professional reviewCoordination checks are completed and licensed review is performed when included in the scope.
Permit delivery and correctionsFinal files are issued and applicable reviewer comments can be addressed within the agreed scope.
Hand marking corrections on a printed plan sheet

Already Have Structural Plan-Review Comments?

You may not need to restart the project. Send the complete correction notice, current submitted drawings, calculations and any reviewer redlines. We can identify the affected structural sheets and define a focused revision scope.

Permit correction and resubmittal support →
NATIONWIDE STRUCTURAL SUPPORT

Structural Permit Support Across the United States

Project requirements vary by state and local jurisdiction. Use the map to open a published state authority page, or use the nationwide location directory to browse county and city permit resources.

Structural Permit Support Across the United States

Remote project intake lets us support structural projects nationwide. Engineering licensure, adopted codes and local permit requirements are confirmed for the actual project address.

REAL PROJECT EXPERIENCE

Permit Drawing Case Studies

Explore real permit challenges, drawing scopes and coordination examples from residential and commercial projects.

VIEW ALL CASE STUDIES →
NOT SURE WHAT STRUCTURAL SCOPE YOUR PROJECT NEEDS?

Start with the address and available drawings. We can review the project before you commit to a full structural package.

Structural Engineering Plans & Calculations FAQ

Answers to common permit, engineering, calculation and project-intake questions.

What are structural engineering plans?+
Structural engineering plans document the load-bearing systems of a building or structure. Depending on scope, they may show foundations, beams, columns, bearing walls, joists, rafters, trusses, shear walls, diaphragms, bracing, reinforcement, anchorage and connection details.
What are structural calculations?+
Structural calculations document the engineering analysis behind the structural design. They can address gravity loads, wind, snow, seismic forces, member strength, deflection, stability, bearing, foundations, lateral resistance and connection capacities.
When are structural plans required for a permit?+
Requirements vary by jurisdiction and project. Structural plans are commonly requested for new construction, additions, large openings, load-bearing wall removal, decks, elevated structures, retaining walls, metal-building foundations, equipment supports, repairs and work that changes a building's load path.
Does every structural project require a PE stamp?+
No single nationwide rule makes a PE seal mandatory for every structural project. Requirements depend on the jurisdiction, building type, scope, prescriptive-code eligibility and local review policy. We confirm whether professional review is part of the required scope before promising a signed or sealed deliverable.
Can you prepare structural plans without architectural drawings?+
Limited-scope projects can sometimes begin from accurate field dimensions, sketches and photographs. Larger additions, new buildings and complex alterations normally require coordinated architectural drawings so structural member locations, openings, elevations and roof geometry can be aligned correctly.
Can you size a beam for removing a load-bearing wall?+
Yes, where the required project information is available. Beam design also requires evaluation of posts, bearing, connections and the structure below the new reactions. A beam should not be treated as an isolated member when the new load path affects walls, floors, slabs or foundations.
Do you prepare foundation plans?+
Yes. Foundation scope may include slabs, continuous footings, isolated footings, stem walls, piers, grade beams, reinforcing, anchors and hold-downs. Soil-bearing assumptions or a geotechnical report may be required depending on the project and jurisdiction.
Can you design a metal-building foundation?+
Yes. The structural foundation design typically requires manufacturer reactions, column locations, base-plate information, anchor requirements, building geometry, site design criteria and soil-bearing information. The metal-building package and foundation design must be coordinated rather than treated as separate unrelated documents.
Do you provide wind-load calculations?+
Wind design can be included when required. Depending on the project, the analysis may affect roof framing, wall framing, shear walls, diaphragms, uplift resistance, hold-downs, anchors, connections and foundations.
Do you provide seismic design?+
Seismic design can be included when required by the adopted code, site location, building type and structural system. The level of analysis depends on the building configuration, risk category, site information and applicable design criteria.
Do you provide snow-load calculations?+
Yes, when snow loading applies. Roof shape, drift conditions, sliding snow, unbalanced loading and local design criteria can affect the required structural analysis.
Do you design retaining walls?+
Retaining-wall engineering can include stability, sliding, overturning, bearing, reinforcement and footing design. Wall height, grading, surcharge, drainage and soil information must be defined for the final design.
Can you review an existing structure or addition?+
Existing-building work usually requires more verification than new construction. Available drawings, field measurements, photographs and sometimes site investigation are needed to establish existing member sizes, spans, supports, foundations and connection conditions before the proposed changes can be evaluated.
Can you respond to structural plan-review comments?+
Yes. Send the complete reviewer comment letter together with the current submitted drawings and calculations. We identify which structural sheets or calculations are affected and define the revision scope before proceeding.
What documents should I send for a structural quote?+
Start with the property address, architectural drawings, site plan or survey, photographs, existing structural drawings if available, project dimensions, proposed materials, manufacturer or truss information, geotechnical information if available and any permit comments already issued.
What structural materials can you coordinate?+
Project support can include conventional wood framing, engineered wood, structural steel, cold-formed steel, reinforced concrete, masonry and pre-engineered building systems depending on the project and professional scope.
Do you provide PDF and DWG files?+
Final deliverables depend on the proposal. Permit-ready PDF drawings are standard for drawing scopes, while DWG source files and calculation packages can be included where applicable and agreed.
How long do structural plans take?+
Turnaround depends on scope, completeness of the source documents, structural complexity, calculation requirements and whether professional review is included. A single member calculation can move much faster than a complete new-building structural package.
START YOUR STRUCTURAL PROJECT

Request a Structural Engineering Project Review

Send the property address, project type and the drawings or photos you already have. We will review the information and identify the likely structural scope, missing inputs and whether PE review needs to be included.

Structural engineering permit plan review

Tell Us About the Project

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REAL PROJECT EXPERIENCE

Permit Drawing Case Studies

Explore real permit challenges, drawing scopes and coordination examples from residential and commercial projects.

VIEW ALL CASE STUDIES →
FROM THE RESOURCE LIBRARY

Latest Permit Guides & Resources

Helpful guides covering site plans, surveys, setbacks, pools, fences, sheds, ADUs, metal buildings and permit-review issues.

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