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

• Review the Site Plan Requirements webpage for more details.

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.