Wall Bracing (Part 1) – 2021 IRC Plan Check
Introduction: Prescriptive Conventional Construction Vs Engineered Design
Wall Bracing (Part 1) – 2021 IRC Plan Check
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Section 1: Introduction
Section 1: Welcome to the wall bracing module. This is an introductory section that covers the objectives of the course as well as the outline of topics in this module. Additionally, this section also covers the legal framework of the California residential code including the codes of law and institutions that are responsible for the development and enforcement of the code’s provisions. This section will also cover the scope of practice of licensed design professionals such as engineers and architects. The objective of this section is to inform the plan reviewer on the statutory and institutional framework that undergirds the code as well as the scope of responsibility of the primary parties involved.
This section covers Seismic and Wind Design Criteria. A design criteria is a set of parameters that are used to establish the requirements for the design of structures. One of the first step in the design process is establishing the design criteria. Similarly, the plan reviewer must establish the design criteria which will be used to determine design requirements for the structure. This section will show how plan reviewers can determine both the wind and seismic design criteria including considerations for local variations.
This section covers the general constrains imposed by the residential code on the weights of construction materials and the heights of building elements. These constrains include limitations on the number of stories, limitations on the height of stories, limitations of the weight roof assemblies, floor assemblies and wall assemblies. This section includes examples showing how plan reviewers can determine story heights and weight of building materials shown on the drawings to ensure that code limitations are not exceeded.
This section covers the residential code provisions for braced wall lines including how plan reviewers can review braced wall lines for code compliance. Braced wall lines are the principal point of contact between the wall bracing provisions and the actual design. They are the fundamental elements that provide a basis for the determination of wall bracing requirements. This section will show how plan reviewers can determine of braced wall lines shown on the plan
This section covers the bracing methods that are permitted by the code. The code allows two types of bracing methods – Intermittent bracing Methods and Continuous sheathing methods. This section will cover 7 of the most common intermittent bracing methods and 3 of the most common continuous sheathing methods. The methods covered include Methods WSP, GB, ABW, PCP, PFG, PFH, BV-WSP, CS-WSP, CS-G, CS-PF.
This section covers the general introduction to this module as well as the key differences between prescriptive conventional construction and engineered design in the context of residential construction.