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Architects

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DEAR VALUED CUSTOMER,
We work with architects, contractors, and building suppliers to make sure the door you order will fit your clear opening and building. We will answer your questions and assist you with shop drawings to make sure that your “Automatic Bifold” door will fit your new or existing building. Available are the door weights, loadings, hinge locations, specs, and fine details.

IMPORTANT MESSAGES:
The customer, contractor/owner, and the building manufacturer are responsible to ensure that the building’s structural design is capable of handling all the imposed loads that the bifold door exerts on your door header, endwall, and building. When your bifold door is in a full open position, the bifold door tends to pull away from the building at the hinge line exerting considerable horizontal loads on the building structure in the open position. Your building header design must meet standard deflection and strength criteria, both in vertical and horizontal directions to support the bifold door in all positions.

A1, A2, A3 & A4 SPEC SHEETS
Schweiss Bifold Doors will provide you with those loads that are applied to your building and door. We will provide you with our A-1, A-2, A-3, and A-4 Spec sheets for your actual measurements, movements, weights, and hinge locations. If you have any questions about bifold doors or need technical assistance, feel free to call us at (507) 426-8273.

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1. QUANTITY

1.1 Doors for this project will consist of (___) bifold doors

2. SIZE OF DOOR – Clear Open Width & Height

2.1 Hanger door with door in up position, shall have a minimum clear opening width of (___’___”) as shown in the plans and a minimum clear height of (___’___”) above finished floor elevation.

3. PLACEMENT of the Bifold Door onto the building – Choose One

3.1 Door shall be mounted on the exterior walls of building.

3.2 Door shall be mounted flush with exterior walls of building.

4. GENERAL / CONTRACTORS REQUIREMENTS: – DESIGN CRITERIA

4.1 The bifold hangar doors shall be designed to the same loading requirements for live, dead and wind loads as the hangar building.

4.2 The doors shall be engineered to resist all anticipated loads without sagging, bowing or conflicting with its smooth and efficient operation.

4.3 Design for wind load as required by UBC, 1996 BOCA building code. (Example) Wind load (___) mph. Exposure (___)

4.4 The design shall be furnished, approved and sealed by a professional engineer registered in the state where the project is located

4.5 The building header shall be designed to accommodate horizontal and vertical building deflections to support the bifold door in all positions (with the proper lateral bracing).

4.6 The building’s door columns shall be framed of the proper design and size to reinforce the opening (with lateral bracing) and to carry all loads and vibrations imposed thereon.

4.7 The bifold door should have solid footing with sill directly underneath the doorframe and extending outward from the door to provide a base for the door’s weather seal. This also prevents flow of water into, or under, the door installation.

4.8 The finished floor of the building should be designed to prevent flow of water under the door installation. Sills shall have a slight slope outward of the bifold door to prevent water flow under the door installation

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When building our doors, we do not skimp on material! The doorframes are made out of heavy square tubing with a truss in the center and bottom of the door for extra strength. We have our doors engineered and designed so our metal is in the right places to give you a good, strong, clean door that will stand up and work for you! This super construction lets us offer you the best warranty in the business. We have four different models of bifold doors, each at a very competitive price.

Schweiss Bifold Doors reserves the right to change specifications without any requirement to change or modify past or existing doors. Copyrighted © 2008 Schweiss Bifold Doors. All rights reserved. No part of this publication may be reproduced in any way without permission.

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