Please visit the 'Obtaining a Permit' Page to view any
restrictions on Plan Submittal Requirements
Commercial Projects are required to be prepared by a Licensed Architect or Engineer. On each sheet of submitted Plans, provide the preparer’s name and telephone number and wet-signature and his/her stamp as prescribed by California Business and Professions Code '5536
Plans for commercial projects, including tenant improvements, shall be a minimum of 24" x 36", printed and stapled together. Plans drawn in ink or pencil will NOT be accepted for submittal.
- Site or plot plan to include but not be limited to:
- A legal description and general location and assessor parcel number.
- The owner's name, address and telephone number(s).
- The use, size and dimensioned location of all existing and proposed structures, including all garden and retaining walls. Indicate all required setback distances.
- The location and sizes of all existing and proposed utilities (sewer, gas and electricity).
- The elevations of the building site and surrounding area. Indicate flow direction for storm water run-off.
- North arrow.
- All property lines, easements and rights of way.
- A dimensioned floor plan to include but not be limited to:
- The use and/or activities for all rooms and spaces.
- Door and window sizes, locations and types.
- A dimensioned foundation plan to include but not be limited to:
- Thickness and compressive strength of the concrete slab or;
- Size, location, direction and spacing of all joists and girders.
- The specific location, size and depth of all spread footings.
- Locations and required embedment of all required hold downs.
- The location and size of required underfloor access and ventilation for raised floor conditions.
- Show locations and dimensions of all required continuous footings.
- Indicate size(s) and spacing(s) of all anchor bolts.
- Building elevations of all orientations applicable to construction to include but not be limited to:
- Exterior wall finishes and the extent of all required shear walls and/or let in bracing.
- Roof slope and type of covering.
- Window and door location and types to coincide with the floor plan.
- Framing plans and sections to include but not be limited to:
- Wall framing size and spacing.
- All required building insulation locations and R-values.
- Cross sections which are properly cross referenced to the floor plans and structural details.
- Provide referenced details for all unusual construction, walls, framing connections, dormer frames, etc.
- Indicate all roof framing member sizes, locations and spacing.
- All post support size and locations.
- Plumbing plans shall be provided when applicable to include:
- A drain, waste and vent plan/or isometrics for all newly proposed plumbing fixtures, including point of connection to existing systems.
- Provide calculations to show how the water lines were sized (Table 10-2 or appendix A) and include the following:
- The total number of fixture units for the fixtures installed at this time or proposed.
- The maximum developed length of supply pipe from the meter to the most remote outlet.
- The difference in elevation between the meter or other source of supply and the highest fixture or outlet.
- Pressure in the street main or other source of supply.
- Indicate the friction loss per 100'0" for the design pressure.
- Provide a tabular breakdown based on either table 10-2 or friction loss showing the maximum allowable fixture unit count for each water line size used and indicate for both flush tanks and flush valves (if used).
- Provide gas line sizing calculations and/or isometrics to include the following information:
- Show the maximum developed length from the gas meter location to the most remote outlet on the system.
- Show the total CFH input on the system and identify the input for all connected equipment.
- Size each section of branch piping by measuring the distance from the meter to the most remote outlet on that branch.
- Electrical plans to include but not be limited to:
- Per Art, 215-5, provide a single line diagram of feeders to include the following:
- The area in square feet of the building or tenant space.
- The total connected load before applying demand factors.
- The demand factors used.
- The computed load after applying the demand factors.
- The sizes and types of all conductors to be used.
- Calculations for branch circuit loads per Art. 220-3.
- Show location and sizes of all services, panels and subpanels.
- For new loads/panels for additions or tenant improvements, show the existing main service panel size, the existing load to the service and the proposed new load.
- Mechanical plans to include but not be limited to:
- The location of all existing and/or proposed mechanical equipment (i.e. FAU, A/C, evaporative coolers, exhaust fans, make-up air units, etc.).
- Capacities of equipment in BTU/HR and CFM (total and outside air)
- Access to units.
Required calculations shall include but not be limited to:
- Structural design for both all vertical and lateral load resisting elements (if not conventional in nature).
- Truss calculations and details (wet signed by engineer) and layout showing I.D. numbers and locations.
- Energy conservation design forms and calculations.