CALGreen Section: 5.407.2 Moisture control. Employ moisture control measures by the following methods.
5.407.2.1 Sprinklers. Design and maintain landscape irrigation systems to prevent spray on structures.
5.407.2.2 Entries and openings. Design exterior entries and/or openings subject to foot traffic or wind-driven rain to prevent water intrusion into buildings.
Notes:
1. Use features such as overhangs and recesses, and flashings integrated with a drainage plane.
2. Use non-absorbent floor and wall finishes within at least two feet around and perpendicular to such openings.
Intent:
The intent of this code provision is to minimize the amount of moisture entering the building;
at the exterior entries & openings from wind-driven rain and at exterior walls from poorly designed sprinkler systems.
Existing Law or Regulation:
There is NO current law or regulation for this code provision.
Compliance Method:
For Sprinklers: Design irrigation systems to prevent spray on structures by specifying sprinkler heads which are adjacent to or near exterior walls to have a maximum degree head rotation or spray pattern that ensures protection of the building exterior.
For entries and openings:
1. Use design features such as overhangs and recesses, and flashings integrated with a drainage plane.
2. Specify non-absorbent flooring material at the interior landing surface a minimum of two feet in the direction of travel and at wall finishes adjacent to the door opening on the sides and at the top. If two feet is not available above the opening, wall finishes may terminate at the ceiling.
Suggestion: Show on the plans (Landscaping Plan, Site plan and Floor plans,) and specifications the sprinkler design and design features that meet the requirements.
Diagrams in development.
Enforcement:
Plan Intake: The reviewer and/or plan checker should review the plans and specifications to confirm that the sprinkler design and design features at entries and openings are included in
the submitted plans.
On-Site Enforcement: The inspector should review the permit set of plans to verify that the sprinkler design and design features at entries and openings as specified on the approved plans and specifications are installed per specifications.
CALGreen Section: 5.713.7.2. Moisture control. Employ moisture control measures by the following methods.
5.713.7.2.1 Sprinklers. Design and maintain landscape irrigation systems to prevent spray on structures.
5.713.7.2.2 Entries and openings. Design exterior entries and/or openings subject to foot traffic or wind-driven rain to prevent water intrusion into buildings.
Notes:
1. Use features such as overhangs and recesses, and flashings integrated with a drainage plane.
2. Use non-absorbent floor and wall finishes within at least two feet around and perpendicular to such openings.
Intent:
CBSC adopted these sections from the new construction section to provide clarity to the code user requiring moisture control as it applies to additions and alterations, preventing mold
contamination and damage to the structure and interior finishes.
Compliance and Enforcement: See § 5.407.2 and subsections of this guide
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