In California seismic zones, gas water heaters must be secured using strapping that meets specific requirements. How many straps are required and where must they be positioned?
Correct Answer
D) Two straps: one at the upper one-third and one at the lower one-third
California Plumbing Code Section 507.2 and CBC Section 1621A.1.6 require two straps for water heater seismic restraint: one at the upper one-third and one at the lower one-third of the unit's height. This positioning provides optimal seismic stability during earthquake motion and prevents tipping or displacement.
Why This Is the Correct Answer
California Plumbing Code Section 507.2 and CBC Section 1621A.1.6 require two straps for water heater seismic restraint: one at the upper one-third and one at the lower one-third of the unit's height. This positioning provides optimal seismic stability during earthquake motion and prevents tipping or displacement.
More trade-general-building Questions
When installing engineered lumber joists (I-joists) in California residential construction, what is the primary code requirement for web stiffeners?
What is the required attic ventilation ratio when a vapor retarder is installed on the warm-in-winter side of the ceiling according to the California Residential Code?
In California's Wildland-Urban Interface (WUI) areas, which underlayment requirement applies to Class A fire-rated roof assemblies?
In California, when installing a tankless water heater in a seismic zone, what additional requirement must be met beyond standard installation practices?
According to the California Building Code (CBC), what is the minimum lap splice length for #4 rebar in a concrete foundation wall in normal weight concrete with f'c = 3000 psi?
According to CBC requirements for retaining walls in California, what additional design consideration must be addressed for retaining walls over 4 feet in height located in seismic design categories D, E, and F?
When constructing retaining walls in California that exceed 4 feet in height, which CBC requirement must be met regarding drainage?
Under California regulations, when is a reduced pressure principle (RPP) backflow prevention assembly required for a residential water service connection?
Under California Title 24, what is the minimum electrical service size required for new single-family residential construction?
According to the California Building Code, buildings located in Seismic Design Category D must comply with which specific seismic design requirements?
People Also Study
Business & Financial Management
120 questions · 70% to pass
Contract Administration
60 questions · 70% to pass
Project Management
60 questions · 70% to pass
Related Study Resources
Previous Question
When designing shear walls in California, which of the following best describes the load path requirement for lateral forces?
Next Question
In California, when using engineered lumber such as laminated veneer lumber (LVL) for headers, what documentation must be provided to the building official?