Designing a Building with Storefront Windows and Roof Plans: A Bidding Perspective

In-depth Bidding Details for Building Design with Storefront Windows and Energy Efficiency Analysis

Discover the crucial role of designing and analyzing windows for architectural projects, specifically the use of storefront windows in residential spaces. Understand how dimensions and glazing types are communicated to manufacturers and engineers for energy calculation purposes.

Key Insights

  • The design process includes providing overall dimensions to window manufacturers to determine appropriate window types and sizes, with storefront windows frequently used in commercial projects.
  • Information about glazing types and building orientation is communicated to Title 24 engineers. This data allows them to calculate the energy efficiency of the building in accordance with Title 24 energy regulations.
  • Interior elevations are primarily used to guide contractors and help building owners understand their needs. However, these elevations may not be fully detailed at the permit stage when owners plan to be actively involved during construction.

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This next page is designed primarily for bidding purposes. For this house, we have chosen to use a lot of what we call storefront windows, which are what you'll frequently find in more commercial kinds of projects, quite candidly. But what happens is, we provide overall dimensions to a window manufacturer, and they use that information to analyze their windows.

We've told them different sizes, different dimensional sizes that we want them to use for the different windows, and then we will also tell our Title 24 Engineer the kind of glazing that we're going to be using in the building so that they can then use the orientation of the building relative to solar gain and overhangs to calculate the Title 24 energy calculations. So again, these two pages are typically not required for a building permit. The interior elevations tend to be used more to tell the contractor what they're going to be doing, and to help the owner better understand what they're going to be needing to have.

You might be looking at these drawings and say, hey, these aren't complete. And the answer is yes, they're not. When we were designing the house, we were dealing with the client, dealing with the contractor, dealing with budgets, and everyone was clear enough that the owner was going to be actively involved during the construction to tell them interior elevation finishes.

And rather than spending their money on architectural detailing and documentation, they said, let's get a building permit, and we'll worry about interior elevations later on. We have the interior elevations, and we have some storefront. What I'd like to talk about in a few minutes is the roof plans.

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So this is where we start telling information about what's happening on the roof. So I'll talk to you in a few minutes.

Al Whitley

AutoCAD and Blueprint Reading Instructor

Al was the Founder and CEO of VDCI | cadteacher for over 20 years. Al passed away in August of 2020. Al’s vision was for the advancement and employment of aspiring young professionals in the Architecture, Engineering and Construction (AEC) industries.

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