Specification Guide
32Pages

The following Nucor Buildings Group (American Buildings, CBC Steel Buildings, Kirby Building Systems and Nucor Building Systems), Standard Specifications Guide provides the owner or design professional a detailed description of all standard Nucor Buildings Group (NBG) products. This guide is designed to aid the architect or engineer of record in the process of specifying the best building system solution. These comprehensive specifications cover many aspects of the NBG product line. Since it is possible to apply the various NBG products covered in this manual in many different ways, not all conditions are addressed, and more detailed information is available. For the unique needs of an individual project building design, please contact the appropriate brand's engineering team for assistance. The specifications incorporates, by reference, the latest edition of the MBMA Metal Building Systems Manual, published by the Metal Building Manufacturers Association (MBMA), to all NBG project specifications. Notice: In keeping with a program of continuous and never ending improvement all information contained herein is subject to change without notice. 1. General 1.1. Scope 1.2. Dimensional Terminology 1.3. Building Types Design 2.1. Design Criteria 2.2. Engineering Certifications 2.3. Non-Standard Design Loads 2.4. Auxiliary Design Loads 2.5. Load Combinations Anchor Bolts and Foundations 3.1. Anchor Bolts 3.2. Foundations Drawings 4.1. General Structural Framing 5.1 General 5.2. Primary Structural Members 5.3. Secondary Structural Members Roof Covering NBG R-Panel Roof Panel 6.1. General 6.2. Panel Material 6.3. Panel Configuration 6.4. Fasteners 6.5. Trim and Flashing 6.6. Sealants STANDARD SPECIFICATIONS GUIDE

6.7. Closures 6.8. Installation of Panels 6.9. Clean Up Roof Covering NBG Trapezoidal Standing Seam Roof Systems 7.1. General 7.2. Panel Material 7.3. Panel Configuration 7.4. Panel Clip & Fasteners 7.5. Trim and Flashing 7.6. Installation 7.7. Clean-Up 7.8. Maintenance 7.9. Erection Sequence 7.10. Coordination with Other Trades 7.11. Erection Care 7.12. Field-Cutting of Panels 7.13. Roof-Top Units and Curb Supports Roof Covering NBG Loc Seam Vertical Rib Standing Seam Roof System 8.1. General 8.2. Panel Material 8.3. Panel Configuration 8.4. Panel Clip & Fasteners 8.5. Trim and Flashing...

9.11. Field-Cutting of Panels Wall Covering 10.1. General 10.2. Panel Material 10.3. Panel Configuration 10.4. Trim and Flashing 10.5. Fasteners 10.6. Sealants 10.7. Closures 10.8. Installation of Panels 10.9. Clean-Up Insulated Metal Panel Wall Covering 11.1. General 11.2. Panel Material 11.3. Panel Configuration 11.4. Trim and Flashing 11.5. Fasteners 11.6. Sealants 11.7. Installation of Panels 11.8. Clean-Up & Maintenance Accessories 12.1. Metal Doors & Windows 12.2. Framed Openings 12.3. Curb Mounted Prismatic Skylights 12.4. Translucent Light Panels 12.5. Rake / Eave Extensions...

Scope 1.1.1. The building shall consist of all primary and secondary structural members, connection bolts, canopies, roof extensions, sheeting, trim, flashing, doors, fasteners, gutters, downspouts, and other miscellaneous items and accessories as specified, shown, or called for on NBG drawings or order documents. Refer to the Latest Edition of the Metal Building Systems Manual section entitled “Common Industry Practices” for the standards in which this guide will be used. NBG will not provide items not specifically called for in the NBG order documents. Dimensional Terminology 1.2.1. The...

DESIGN side column has been eliminated. The lean-to rafter is supported by the main building frame, sidewall, or endwall column. 2. Design Criteria 2.1.1. All structural steel sections and welded plate members shall be designed in accordance with the latest editions of the AISC 360 Specification for Structural Steel Buildings or CSA Specification for Structural Steel Buildings (S16) and the latest edition of the AWS D1.1 Structural Welding Codes or CSA Welded steel construction (metal arc welding) (W59), as required by the order documents and the specified building code. 2.1.2. All...

ANCHOR BOLTS AND FOUNDATION specifically requested by the customer. Non-Standard Design Loads 2.3.1. All building types shall be available with non-standard design loads as required by the local code or governing body provided these loads are specified on the order documents. Special dead, live, or wind loads shall be applied in the same manner as standard design loads for the type of building involved as long as demonstrated in the latest Metal Building Systems Manual. Auxiliary Design Loads 2.4.1. Crane and impact loads shall be applied in accordance with the latest editions of the AISC...

STRUCTURAL FRAMING 4.1.1. NBG shall supply on all orders three sets of anchor bolt drawings and reactions. 4.1.2. NBG shall supply on all orders three sets of final erection drawings.Upon request, NBG shall supply three sets of permit drawings showing engineering design details, critical clearances, key connection details, material specifications, and lateral load resisting elements such as bracing, diaphragm, and shear wall layouts. 4.1.3. NBG shall supply three sets of approval drawings on specified jobs. Approval drawings shall show building layout, critical clearances, critical details,...

STRUCTURAL FRAMING minimum yield stress). 5.1.7. Cable used for diagonal bracing shall conform to ASTM A-475; coating Class A, GradeExtra High Strength 7 wire. Threaded rod shall meet ASTM A-529 or A-572, Grade 50 requirements. Angle sections shall meet minimum A-36, A-572 or A-529 Grade 50 requirements. 5.1.8. Structural steel members shall be sheared, formed, punched, welded, and painted by the manufacturer. All shop connections shall be welded in conformance with standards based upon the current edition of AWS D1.1 or CSA W59 referenced previously in this guide in Paragraph 2.1.1....

ROOF COVERING welding of joist bridging and seats is also an option. Eave struts shall be roll-formed or brake-formed "C" sections. Wind bracing shall consist of diagonal cable, rod or angle bracing. Adjustment to cable braces shall be made by an eyebolt assembly. Adjustment to rod bracing may be by threaded assembly. Angle bracing is not adjustable and may require final field welding. Flange bracing shall consist of angle bracing connected to the web of the purlin or girt and to the compression flange of the primary structural member. Flange braces shall be attached to bar joists either by...