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Residential Deck Project Calculator
Project Information
Deck Construction Selections
Stairs, Lighting, Guards and Rails
The worksheet's guard requirement is triggered when the grade is more than 30 inches below the walking surface. Handrails are required for stair flights with four or more risers.
Structural Checks
Calculate to display the deck sizing checks.
Generated Plan Notes
Building Standards for Decks and Patio Covers
Scope Examples: Construction or renovation of residential decks, covered patios, and similar outdoor structures. This may include:
- Building new or replacing existing decks.
- Adding or updating patio covers, pergolas, or similar structures.
- Updating railings, stairs, or other deck features.
Title 24 is divided into specific parts addressing various aspects of construction. Key sections for decks and patio covers include:
- California Residential Code (CRC):
- Covers structural design and requirements for decks and patio covers attached to one- and two-family dwellings.
- Includes regulations on deck joist spans, railing heights, stair dimensions, and footing depth.
- California Building Code (CBC):
- Applies to structural safety for freestanding decks and patio covers.
- California Plumbing Code (CPC):
- Addresses drainage requirements for patio covers with integrated roofing or water collection systems.
- California Energy Code:
- Enforces energy efficiency requirements for lighting systems integrated into deck or patio covers.
- California Electrical Code (CEC):
- Regulates electrical installations such as outdoor outlets, lighting, and fans on decks or patios.