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// CODE SNIPPET

501A.3.3 Prescriptive Compliance Provisions for NPC 2, NPC 3, NPC 4 or NPC 4D and NPC 5

California Existing Building Code 2019 > 5A Prescriptive Compliance Method > 501A General > 501A.3 Prescriptive Compliance Provisions > 501A.3.3 Prescriptive Compliance Provisions for NPC 2, NPC 3, NPC 4 or NPC 4D and NPC 5
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501A.3.3.1

Supports and attachments of nonstructural components, except those listed in Section 501A.3.3.2 below, in buildings in seismic performance categories SPC 1 or SPC 2 with a performance level of NPC 3 or higher, and SPC 3, SPC 4 or SPC-4D, shall be permitted to comply with the provisions of Section 1630B of the 1998 California Building Code using an importance factor Ip=1.5. The capacity of welds, anchors and fasteners shall be determined in accordance with requirements of the California Building Code for new construction.

501A.3.3.2

Supports and attachments for systems listed under NPC-2 and NPC-5 (excluding those specifically listed for NPC-3 and NPC-4 or NPC-4D) in the California Administrative Code, Chapter 6, Table 11.1 shall satisfy the requirements of the California Building Code for new construction and Section 501A.3.3.1 above shall not be applicable.

501A.3.3.3

For NPC 3 and NPC 4 or NPC 4D in SPC 2, SPC 3, SPC 4 or SPC-4D buildings, the adequacy and design of nonstructural component or equipment supports and attachments may extend only to the connection of the component or equipment to the support when the total reaction at the point of support (including the application of Fp) is less than or equal to the following limits:
  1. 250 pounds for components or equipment attached to light frame walls. For the purposes of this requirement, the sum of the absolute value of all reactions due to component loads on a single stud shall not exceed 250 pounds.
  2. 1,000 pounds for components or equipment attached to roofs, or walls of reinforced concrete or masonry construction.
  3. 2,000 pounds for components or equipment attached to floors or slabs-on-grade.
    Exception: If the anchorage or bracing is configured in a manner that results in significant torsion on a supporting structural element, the effects of the nonstructural reaction force on the structural element shall be considered in the anchorage design.

Related Code Sections


501A.3.3.2 Prescriptive Compliance Method,
Supports and attachments for systems listed under NPC-2 and NPC-5 (excluding those specifically listed for NPC-3 and NPC-4 or NPC-4D ...
California Existing Building Code 2019 > 5A Prescriptive Compliance Method > 501A General > 501A.3 Prescriptive Compliance Provisions > 501A.3.3 Prescriptive Compliance Provisions for NPC 2, NPC 3, NPC 4 or NPC 4D and NPC 5 > 501A.3.3.2
3412A.2.5 Existing Structures, NPC
, of the California Administrative Code shall be used for seismic evaluation of NPC 2, NPC 3/NPC 3R, NPC 4 and NPC 5, where specific procedure is not outlined in ASCE ...
California Building Code 2016 (Vol 1 & 2) > 34A Existing Structures > 3412A Compliance Alternatives for Additions, Alterations, Repairs and Seismic Retrofit to Existing Structures > 3412A.2 Seismic Evaluation and Retrofit of General Acute Care Hospitals for Compliance With the California Administrative Code, Chapter 6 > 3412A.2.5 NPC
303A.3.4.8 Provisions for All Compliance Methods, NPC-4 or NPC 4D and NPC-5 Using ASCE 41:
of the California Building Code for new construction. Nonstructural components for NPC-5 shall satisfy Operational Performance Level N-A/NPC-4/NPC 4D ...
California Existing Building Code 2019 > 3A Provisions for All Compliance Methods > 303A Structural Design Loads and Evaluation and Design Procedures > 303A.3 Additions, Alterations, Repairs and Seismic Retrofit to Existing Buildings or Structures > 303A.3.4 Performance Objectives of Performance-Based Methods > 303A.3.4.8 NPC-4 or NPC 4D and NPC-5 Using ASCE 41:
11.2.3 Seismic Evaluation Procedures for Hospital Buildings, Evaluation Procedures for NPC 4 and NPC 4D
Performance Category 4D Operational Plan (Operational Plan) for Levels 1, 2, and 3 areas required for continuous operations. For minimum compliance with NPC ...
California Administrative Code 2019 > 6 Seismic Evaluation Procedures for Hospital Buildings > 11 Evaluation of Critical Nonstructural Components and Systems > 11.2 Evaluation of Buildings > 11.2.3 Evaluation Procedures for NPC 4 and NPC 4D
11.2.2 Seismic Evaluation Procedures for Hospital Buildings, Evaluation Procedures for NPC 3 and NPC 3R
and equipment that are subject to the requirements of NPC 2 and NPC 3 or NPC 3R; Conduct an inventory of components and equipment specified in Table 11.1 ...
California Administrative Code 2016 > 6 Seismic Evaluation Procedures for Hospital Buildings > 11 Evaluation of Critical Nonstructural Components and Systems > 11.2 Evaluation of Buildings > 11.2.2 Evaluation Procedures for NPC 3 and NPC 3R
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