Construction Plan Requirements (Residential)

Standard Requirements

  • Drawings shall be legible and drawn to scale:  ¼” = 1’-0” minimum when uploaded.
  • Drawings must show conformance to the applicable local and state codes.
  • Do not use the color Red.
  • Project address to appear on all documents.
  • File extensions shall be PDF only.
  • Document files shall be named with a general description of what the PDF contains.  Example names:  Site Plan; Drawing Set; Plan Set; Truss Engineering; Structural Calculations; Beam Calculations; Truss Layout, etc.
  • Site Plan shall be uploaded as a separate, individual PDF.
  • Truss Engineering and Truss Layout shall be uploaded as a single PDF file.
  • Structural Calculations shall be uploaded as single PDF file.
  • Beam Calculations shall be uploaded as single PDF file
  • Building drawings (architectural sheets and structural sheets) shall be combined and uploaded as a single PDF file.  If scanned, must be full size and to scale.

 

Drawings shall include:

1. Site Plan

2. Floor Plan(s)

  • A completely dimensioned floor plan for each level.
  • Room use identified (i.e. bedroom, living room, garage, laundry, etc.  FYI:  loft & mezzanine are not uses.)
  • Door and Window locations, sizes, operation type (single-hung, casement, horizontal slider, etc) and U-values.
  • Location of all plumbing fixtures (i.e. toilet, sinks, tubs, showers, hot tubs, dishwashers, water heaters, hose bibs, etc)
  • Location of smoke detectors and CO detectors.
  • Location of exhaust/ventilation fans.
  • Location and type (gas or electric) of heating and/or cooling equipment.
  • Locations of decks, patios, balconies.
  • Location of any fireplaces (gas or wood) or wood stoves.

 

3. Roof Plan:

  • A completely dimensioned roof plan.
  • Location of any skylights, dormers, and chimneys.
  • Identify type of roofing material.
  • Location of any required attic/rafter ventilation.

4. Exterior Elevations:

  • Provide one elevation for each side of building.
  • Accurately represent the building site and grading.
  • Identification of siding materials and roofing materials.
  • Dimensions from finished grade to key features, including to wall top plate and peak of highest roof for overall building height.
  • Identify the roof pitch.
  • Location of all doors, windows, chimneys, decks, balconies, patios, exterior stairs.

5. Building Cross Sections:

  • Provide one longitudinal cross section & one transverse cross section.  Recommend selecting location to show unique circumstances.
  • Insulation locations, type and R-values.
  • Identify un-vented or vented crawlspace and associated requirements.
  • Identify un-vented or vented attic/rafter space and associated requirements.

6. Foundation Plan:

  • Show location and size of footings, stem-walls, isolated pad footings.
  • Identify hold down locations and types.
  • Identify anchor bolt size/spacing.
  • For Wood Framed Floors:
  • Indicate member size, spacing and bearing locations
  • Indicate attachments, nailing, hangars and other connection details.
  • Show the size and location of required crawlspace access.
  • Show the size and location of any required crawlspace vents.
  • Identify floor sheathing materials.
    • Identify un-vented or vented crawlspace and associated requirements.
  • For Slab On Grade Floors:
    • Indicate slab thickness and any required reinforcement.

7. Floor Framing Plan(s):

  • One framing plan for each level.
  • Indicate member size, spacing and bearing locations
  • Indicate attachments, nailing, hangars and other connection details.
  • Lateral Bracing (prescriptive per ORSC or engineered):  locations, type, length

8. Roof Framing Plan(s):

  • Indicate member size, spacing and bearing locations
  • Indicate attachments, nailing, hangars and other connection details.
  • Show the size and location of required attic access

9. Construction Details:

  • Foundation details showing size/placement of reinforcement steel; location of any required insulation, attachments of wall & floor framing, etc.
  • Framing connection details
  • Lateral bracing details
  • Stair details:  rise/run, guardrails, handrails
  • Deck/Balcony details:  connections, guardrails, etc.

10. Whole House Ventilation (WHV):

  • Required for New Dwellings, Guest Houses & Rural ADUs only.
  • Include required information on Floor Plan, A Whole House Ventilation Plan, or Building Section.
  • Provide a narrative and/or drawings to describe the required whole house ventilation concept.  Include the following information.
    • CFM Ventilation rate:  Continuous per Table M1505.4.3(1) or Intermittent – provided calculation;
    • Location of WHV fresh air supply and location of WHV exhaust. (ie:  supply & exhaust via HRV; HRV located in xxx or separate WHV fresh air intake fan located in xxx with WHV exhaust fan located in xxx; ).
    • Duct layout is not required.

Supporting Documents:

1. Truss Documents – if applicable:

  • Truss layout
  • Truss Engineering, signed/stamped by Oregon licensed engineer.

2. Beam Calculation:

  • All Headers with property specific snow load
  • Any other structural members not conforming to prescriptive span tables.

3. Engineered Calculation – if applicable:

  • When required or provided, i.e., engineered lateral design, retaining walls, etc.
  • Shall be project specific and identify site address.
  • Signed/stamped by Oregon licensed engineer.
  • Any details shall be included on a Drawing Sheet.

Revisions:

For changes that occur after a permit has been issued, the following is required:

  • All revised areas must be clouded on the Drawings.  Cloud only the specific area(s) of change. 
  • All impacted drawing sheets need to be updated/revised.
  • All revised supporting documents need to be included.
  • Only upload the revised drawings sheets and supporting documents.