Applicable codes are required to be notated on plans. Building Codes, Amendments & Division Policies
In order for your permit application to be reviewed and processed properly, the following construction information must be provided. Note: “Preliminary” and/or plans shown as “Not for Construction” or similar are unacceptable.
***All documents are required to be submitted electronically***
Address
• Provide project address on each document
Site Plan
• Provide North Arrow
• Provide site plan that shows dimensions reflecting the distances to property lines.
• Indicate all public or private easements.
• Show location of all proposed and existing structures with dimensions.
• Provide landscaping plan.
Structural Plans
Plans must be stamped and signed by a Licensed Colorado Structural Engineer.
• Indicate size, location, and method of reinforcement for all proposed and modified footings, column pads, piers, caissons, grade beams, and foundation walls. Specify location of reinforcing steel and anchor bolts.
• Provide complete and clearly dimensioned floor framing plan for each level and roofing framing plan which indicates the materials, types, sizes, and location of all structural elements.
• Provide complete structural design criteria including but not limited to required design loads, material specifications, and structural construction requirements.
Architectural Plans
Plans must be stamped and signed by a Colorado Design Professional.
• Provide complete and dimensioned floor layout at each level which identifies the use of each room.
• Provide complete and dimensioned roof plan and indicate all roof slopes.
• Provide complete and dimensioned reflected ceiling plan.
• Provide exterior elevation for each side of building which contains clearly dimensioned overall building height, dimensions from finished grade, dimensions from finished floor, and indicate location, size and types of all doors and glazed openings.
• Provide building and wall sections which clearly identify the required type and location of all materials for construction of beams, columns, floors, walls, ceilings, and roofs.
• Provide stair geometry. Include rise and run, handrail and guardrail heights and details.
• Provide one major section through the exterior wall from footings to the highest part of the roof (min. scale ¼” = 1’).
• Provide square foot area breakdown per floor level.
Electrical Plans
Not required to be stamped.
• Provide electrical plans showing the location and capacity of the service equipment and electrical panels; the location of all smoke detectors, electrical receptacles, switches, and lighting fixtures.
Mechanical Plans
Not required to be stamped.
• Provide mechanical plans and indicate location of all heating, ventilating, and air conditioning equipment.
• Provide Manual J, Manual D, and S calculations - must be legible.
Plumbing Plans
Not required to be stamped.
• Provide plumbing plans and indicate location of all plumbing fixtures and appliances. (Isometric may be required per the discretion of the plan examiner).
• Provide supply line size and main discharge size. Note water supply inlet location.
• Indicate whether appliances are gas-operated, electric, or otherwise. List types of material to be used for all water supply, drainage, and vent piping.
• Gas load calculations and piping diagram is required for gas appliances and must be legible.
Energy Conservation Plans
• Identification of the location of the continuous thermal envelope around the building. Include identification of the air barrier.
• Provide detailed information sufficient to demonstrate compliance with one of the following energy paths:
- Prescriptive R-Value / U-Factor;
- Prescriptive Component Performance Alternative;
- Simulated Building Performance; or
- Energy Rating Index.
• Identify project compliance path:
- Prescriptive R-Value/U-Factor;
- Prescriptive Component Performance Alternative;
- Simulated Building Performance; or
- Energy Rating Index.
CD Engineering
Contact Community Development Engineering Division 303-795-3868 for questions regarding: Grading, Right of Way, Sewer, Traffic, and Floodplain.
- Denver Water Fees/Application: 303-893-2444
- New Sewer Tap; Size; Existing Sewer Tap?
• If new sewer tap is required, use the property address to identify the Sanitation District. The Sanitation District is paid first, then City of Littleton.
Use this link to verify Sanitation District: Sewer, Water, Storm District Map
- Is any portion of the property in a floodplain?
- Impact Fees