Design Criteria & Construction Document Requirements

Design Criteria

Climatic and Geographic Design Criteria Table

Roof Snow LoadWind SpeedSeismic Design CategorySubject to Damage from WeatheringSubject to Damage from Frost Line DepthSubject to Damage from TermiteClimate ZoneWinter Design TemperatureIce Shield Underlayment RequiredFlood HazardsAir Freezing IndexMean Annual Temperature
see Table

see Section R301.2(4).1


36" Mini-mumNone to Slight



Yes; see Section R905.1

2012 Federal Emergency Management Agency (FEMA)



Construction Plan Requirements

Residential Construction Plan Submittal Requirements

We accept digital AND physical submissions.

The following list of construction drawing requirements must be used to ensure that the plans for your new single-family residence or residential addition and/or alteration are as comprehensive and complete as possible. Submittals lacking sufficiently detailed and complete plans will not be accepted for review.

Please note: These are ONLY the requirements for the construction document portion of your application. To apply for a permit, please visit the Permits page for application requirements.

  • Two (2) complete sets of plans, approved by all Land Use Departments (unless digital). Plans shall be drawn to an acceptable, approved, architectural or engineer scale, dimensioned and consisting of but not limited to the following:
  • Wet stamp of Licensed Colorado Engineer or Architect on all pages showing structural detail;
  • Edition of the Code(s) used;
  • Snow load and wind load the structure is designed for;
  • Energy Efficiency Compliance including: Method used – Prescriptive, UA Alternative (REScheck) or Performance; Manual J, and Manual D calculation reports; Detail of Thermal Envelope; All insulation detail including foundation/slab insulation, wall, floor/ceiling, roof/ceiling and insulation for
    and locations of all ducts passing through unconditioned spaces; Window and door schedule, including U-factors; REScheck report if UA Alternative method is used; LEED or other above the code program report if Performance method is used.
  •  Floor plans Show all floors, both finished and unfinished and for additions or alterations, both existing and proposed. Detail shall include room usage, location, and size of windows and doors, headers, type and thickness of drywall used, location of lights, fans, outlets, GFIs, smoke detectors, carbon monoxide detectors, fire rated walls and assemblies, exit
    corridors, and safety glazing. Basements should show the location of above items plus, all means of egress, windows, stairs, furnace, water heater, crawl space access and any other pertinent information including sizes of windows and doors, schedules, water heaters, combustion air, and ceiling heights.
  •  Elevations Show all sides of the structure (maybe less for some additions), showing dimensions, grade levels, windows, doors, roof coverings, identification of exterior materials, guardrails, steps, stairs, basement lines, decks, patio covers, and porches.;  
  •  Foundation Complete detail for Engineered Foundation System; Complete detail for perimeter foundation drain;  
  •  Framing Complete detail for all framing, incl. floor framing for all floors, roof framing or truss specs and layout from truss
    manufacturer, stair detail, decks, etc as well as all fasteners, hangers, hold downs, etc;  
  •  Braced Wall Design  Designate the braced wall method(s) being used and show all anchoring to the foundation, nailing requirements, location of
    braced wall panels, location of interior braced walls;  
  •  Cross section(s)  One or more sections through building showing foundation, framing details, flooring, wall framing, decking, insulation including foundation/slab insulation, U factors and R values, basement walls, floor, and roof assembly. A typical wall section should note all pertinent information and extend from the foundation to roof.
  •  "Class A" Rated Roof Show the Class A material or the Class A rated assembly; Rated assembly for all fire-resistive construction measures chosen for Wildfire Hazard Point System Agreement when applicable.
  • Locations of all plumbing fixtures;
  • Location and fuel types of all water heaters, furnaces, boilers, wall heaters, etc;
  • Locations and fuel types of gas, wood or pellet stoves, fireplaces or inserts;
  • Locations of all required Smoke Detectors;
  • Locations of all required Carbon Monoxide Detectors