Residential Charts and Diagrams

Do you have a residential project you are going to start? Are you wondering what is involved? Please see the list of Charts and Diagrams for residential projects.


Do you have a residential project you are going to start? Are you wondering what is involved? Please see the list of Charts and Diagrams for residential projects.

Building Plan Checklist

Minimum residential plan submission per 2012 edition I.R.C. will include three (3) sets of drawn to scale plans including:



  • Building Permit
  • Curb Cut (if needed) - outside city need Access permit (County Engineer)
  • Impact Fee (city limits only)
  • Water/Sewer Tap Applications - outside city may require well/ septic permit (Health Department)
  • Nebraska State Energy Compliance Form (and the Res/Check form at
  • INIO (Individual lot notice of intent) (go to type INOI in search)
  • Extra 8 1/2 x11 Site Plan


  • Location and size of building
  • Setbacks from lot line
  • Easements
  • Zoning and minimum building setbacks
  • Street names
  • Legal description of property
  • Lot dimensions
  • North arrow and indicate scale used
  • Parking spaces dimensioned and driveway access
  • Foundation, street, and lot corner elevations.


  • Size of footings
  • Size & Height of foundation wall\
  • Size and spacing of steel reinforcing when used
  • Beam pockets (indicate minimum beam bearing)


  • Use of rooms
  • Room sizes, door sizes, smoke detectors, exhaust fans, attic access
  • Window locations and size of windows
  • Window and door header sizes
  • Floor joist size and spacing (indicate direction of joist)
  • Size of wood or steel support columns
  • Beam sizes and lumber species, steel beam size


  • Door and window location
  • Porches
  • Roof slope
  • Roof overhang
  • Type of roofing used
  • Roof vents
  • Brick or siding


  • Footing/foundation detail
  • Anchor bolt size and spacing
  • Sill plate and floor joist (size & spacing, species & lumber grade)
  • Type of subfloor material and thickness
  • Size of studs, plates, ceiling joist, rafters (and spacing)
  • Truss details where used
  • Type and thickness of insulation (R-values)
  • Wall and roof sheathing (type and thickness)
  • Exterior wall weather resistive barrier
  • Roofing material used 11. 6" minimum clearance untreated wood to grade

Typical Egress Window and Well Detail


Every sleeping room shall have at least one operable emergency escape and rescue window or exterior door opening for emergency escape and rescue. Rooms with a storage closet greater than 18 inches in depth or direct access to a bathroom shall also comply with this requirement. Where openings are provided as a means of escape and rescue, they shall have a clear opening height not more than 44 inches above the floor. The net clear opening dimensions required by this section shall be obtained by the normal operation of the window or door opening from the inside. Escape and rescue window openings with a finished sill height below the adjacent ground elevation shall be provided with a window well in accordance with Section R310.2.

R310.1.1 Minimum opening area: All emergency escape and rescue openings shall have a minimum net clear opening of 5.7 square feet.

R310.1.2 Minimum opening height: The minimum net clear opening height shall be 24 inches.

R310.1.3 Minimum opening width: The minimum net clear opening width shall be 20 inches.

R310.1.4 Operational constraints: Emergency escape and rescue openings shall be operational from the inside of the room without the use of keys, tools or special knowledge.

R310.1.5 Double hung egress window: Double hung windows must meet the requirements for an egress window without removing the upper sash.


R303.1 Habitable rooms: All habitable rooms shall have an aggregate glazing area of not less than 8 percent of the floor area of such rooms. Natural ventilation shall be through windows, doors, louvers or other approved openings to the outdoor air. Such openings shall be provided with ready access or shall otherwise be readily controllable by the building occupants. The minimum openable area to the outdoors  shall be 4 percent of the floor area being ventilated.

R310.2 Window wells: Window wells required for emergency escape and rescue shall have horizontal dimensions that allow the door or window of the emergency escape and rescue opening to be fully opened. The horizontal dimensions of the window well shall provide a minimum net clear area of 9 square feet with a minimum horizontal projection and width of 36 inches. A guard is required when a sidewalk, patio, or driveway is 60 inches or less from an egress window well 30 inches in depth or greater.

EXCEPTION: The ladder or steps required by  Section R310.2.1 shall be permitted to encroach a maximum of 6 inches into the required dimensions of the window well.

R310.2.1 Ladder and steps: Window wells with a vertical depth greater that 44 inches below the adjacent ground level shall be equipped with a permanently affixed ladder or steps usable with the window in the fully open position. Ladders or steps required by this section shall not be required to comply with Sections R311. Ladders or rungs shall have an inside width of at least 12 inches, shall project at least 3 inches from the wall and shall be spaced not more than 18 inches on center vertically for the full height of the window well.