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  • Contact Information

    Jefferson County Building Safety

    buildingsafety@jeffco.us
    303-271-8260

    Monday - Friday
    7:30 a.m. - 5:30 p.m.

    Contact Form

    100 Jefferson County Parkway
    Suite 3540
    Admin and Courts Facility
    Golden, CO 80419-3540

    View Map

  • Residential Design

     

    Building design per Table R301.2 (1) of the 2012 Jefferson County Residential Code Supplement.

    Two complete sets of plans, approved by Planning and Zoning. Plans and documents should be oriented, consistent and of sufficient detail to allow construction without the need for further information from the designer. Architectural and structural plans shall be drawn to an acceptable, approved, scale (1/4" resdential scale and 1/8" min commercial scale), dimensioned and consisting of, but not limited to the following:

    Title block:

    On first page, consisting of:

    • Job address
    • Name of person who prepared plans and design criteria per Table-R 301.2 (1)
    • Owner name 

    Engineered footing and foundation plans:

    Shall require Colorado engineer or architect stamp*

    Framing plans:

    May require Colorado engineer or architect stamp. When required, this stamp must appear on each sheet of design drawings and all other submitted documents.

    Include plan view, sections, note location and sizes of all openings:

    Windows, doors, vents, beams, posts, joist, rafters, headers, trusses, etc.

    Floor plans should provide the following:

    • Room usage
    • Location and size of windows and doors
    • Type and thickness of drywall used
    • Location of lights, fans, outlets, GFIs, smoke detectors, fire-rated walls and assemblies
    • Exit corridors and safety glazing.

     

    Basements should show location of above items, plus:

    • All means of egress, windows, stairs, furnace, water heater, crawl-space access
    • Any other pertinent information, including sizes of windows and doors, schedules, water heaters, combustion air, ceiling heights and carbon monoxide detectors

     

    Elevations:

    Four for new structures (less for some additions); shall show dimensions, grade levels, windows, doors, roof coverings, identification of exterior materials, guardrails, steps, stairs, basement lines, decks, patio covers and porches

    Building and wall sections:

    Section through building showing framing details, flooring, decking, insulation, U factors and R values, basement walls, floor and foundation.

    • A typical wall section should note all pertinent information and extend from foundation to roof.

     

    Building thermal envelope

    Stair detail:

    • Cross section drawing of each type of stair used, showing the rise and run, headroom clearance from nose of tread and handrail and baluster details

     

    Energy calculations:

    New homes - four methods

    •  UA Alternative per the 2009/REScheck View exit disclaimer policy page for links to third-party websites.  
    • Perscriptive per 2009 IECC Chapter 4
      • Performance per section 405 of the 2009 IECC
      • Professional design
    • Additions, alterations or repairs - two methods:
      • Prescriptive per 2009 IECC Chapter 4
      • Professional design
    • See Residential Energy Code Submittal Requirements View the requirements in PDF format.

     

    Worksheets for energy code

    See documents at the bottom of page

    Additional information that may be required by the plans examiner

    • Roof snow loads
    • Wind speed
    • Seismic design category
    • Frost line depth
    • Termite
    • Ground-snow load
    • Winter design temperature
    • Flood hazard
    • Component and cladding loads
    • Engineered soils test
    • Class of soils material
    • Engineered dipping bedrock foundation
    • Engineered structural basement floor
    • Engineered foundation drainage
    • Engineered waterproofing or damp proofing
    • Engineered wood products design
    • Engineered truss drawings
    • Braced wall line locations and details and/or engineered calculations
    • Roof tie-downs
    • Engineered structural plans
    • Architectural plans
    • Structural member size and spacing
    • Structural calculations
    • Sheathing
    • Ridge boards
    • Roof pitch
    • Roof covering and underlayment
    • All insulation, e.g., walls, floors, ceiling, etc.
    • Wall sections, fully detailed
    • Dead loads and live loads
    • Point loads
    • Truss designed by Colorado engineer
    • Square footage
    • Window and door schedules
    • Manual J and Manual D
    • Delineate building thermal envelope

     

    Letters from engineers or architects concerning roof dead-loads on tile roofs, cantilevers, beams, steel beam sizes, post and beam construction or any additional information the plans examiner deems necessary to insure code compliance. Failure to provide required items could result in a hold on permit issuance.

     

    Last Updated: 1-2-2014