| This will give you a basic idea what is needed from the
building department before your start building the room addition. Check
with your local building department to find out what is required from
them. For example some cities require up to 5 sets of plans before you
can apply for the building permit. Basic Home Owner Information
Required
Owner’s name address and telephone number
Property legal description—lot number, block number, and subdivision
name; Assessor’s Parcel Number
Contractor's name, state license number, and city and state tax license
numbers, if a contractor is performing the work
Two copies of plans are needed for most construction projects before a
building permit can be issued. An architect’s or engineer's seal on the
plans may be required if the proposed structural work is not
conventional construction
Identification of any construction being done in the right of way
Valuation of proposed work, which is the market value of the improvement
A licensed contractor is required on rental properties
The plans that are required for your project will depend upon the type
of work being done. All room addition plan will have to be drawn to
scale to be accepted by the city building departments.
Here is a list of pages needed by the building department. You should
check with the building department to see what size paper they require.
Some cities want the plans to be on 36 inch wide by 24 inch height
paper. This process can be time consuming.
PLOT PLAN
The items that need to be shown include:
Scale of drawing. For instance: 1” = 20’
Address and legal description
Property line dimensions
Name and/or location of adjoining streets and alleys
Location of all existing and proposed structures with distances from
buildings and property lines
Identification of all easements
North arrow
Retention area (if required)
On-site grading and drainage
If affected by proposed work:
Location and size of existing water meter
Location and size of existing sewer
Location of gas, electric service
Building information to include:
Zoning district
Minimum lot coverage for zoning district
Lot area in square feet
Total square feet (existing and new under roof)
Lot coverage percentage
FLOOR PLAN
The items that need to be shown for new construction, alterations,
additions and remodels include:
Room sizes and uses
Location of walls
Dimensions
The following must be shown if they are being built, altered, or
obstructing the proposed work. Location and sizes of
Windows
Doors and stairs
Fixtures
Outlets (electrical)
Utility lines
Heating ducts
Built-in equipment or cabinets
Smoke detectors
ELEVATION VIEW
The items that need to be shown include:
All sides of the building being constructed or remodeled
Height of the structure on all elevations
Exterior materials being used
Finished grade
Size and location of doors and windows
CROSS-SECTION VIEW
The items that need to be shown include:
Foundation and footing details (depth, thickness, and width)
Wall details (frame, masonry, stucco, veneer)
Roof details, connection of framing to walls, wall to foundation
Dimensions
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