CBUCK Engineering CBUCK, Inc. Florida Certificate of Authorization # 8064 Specialty Structural Engineering Evaluation Report of Nucor Corporation – Vulcraft Group Vulcraft “1.5 B” Roof Deck Assembly for Florida Product Approval # FL 9942.2 Florida Building Code 2004 Method: 1 - D Category: Structural Components Sub - Category: Roof Deck Product: Vulcraft “1.5 B” Steel Roof Deck Material: Steel Panel Thickness: 20 Gauge Panel Width: 36” (Net Coverage Width ) Support: Structural Steel Supports Prepared for: Nucor Corporation – Vulcraft Group 1501 West Darlington Street Florence, South Carolina 29501 Prepared by: James L. Buckner, P.E. Florida Professional Engineer # 31242 Florida Evaluation ANE ID: 1916 Project Manager: Diana Galloway Report No. 07-262-1.5B-36-S20-ER Date: 11 / 12 / 07 Contents: Evaluation Report Pages 1 – 6 CBUCK, Inc. 1334 S. Killian Drive, Suite 4, West Palm Beach, Florida 33403 Phone: (561)491-9927 Fax: (561)491-9928 Website: www.cbuckinc.net FL #: FL 9942.2 Date: 11/ 12 /07 Report No.: 07-262-15B-36-S20-ER CBUCK Engineering Page 2 of 6 CBUCK, Inc. Florida Certificate of Authorization # 8064 Specialty Structural Engineering Manufacturer: Nucor Corporation – Vulcraft Group Product Name: Vulcraft “1.5 B” Steel Roof Deck Product Category: Structural Components Product Sub-Category Roof Deck Compliance Method: State Product Approval Rule 9B-72.070 (1) (d) Product Description: 1.5 B, Type B (Wide Rib) Single-fluted, Structural Steel Roof Deck Product Material / Material Type: Steel Standards: Yield Strength: 33 ksi minimum Corrosion Resistance: Steel shall comply with the Florida Building Code (FBC), 2004 Section 2203.2 Material Standard: Steel shall comply with American Iron and Steel Institute’s “North American Specification for the Design of Cold-Formed Steel Structural Members”, (AISI-NASPEC) SG02—1. Product Dimension(s): Thickness: 20 gauge minimum Width: 36” Maximum (Net Coverage Width) Rib Height: 1-1/2” Support Description: Structural Steel Supports (Design of support system is not included in this evaluation) Design Uplift Pressure: 45 PSF ( Safety Factor of 2:1 ) Based on: Maximum Span: 6’ 6” Span Condition: 2 or more spans Attachment to Support: Site specific design by Design Professional Fire Classification: Fire Classification is outside the scope of Rule 9B-72, and is therefore not included in this evaluation. Additional approved substrates may be added for Fire Classification purposes. FL #: FL 9942.2 Date: 11/ 12 /07 Report No.: 07-262-15B-36-S20-ER CBUCK Engineering Page 3 of 6 CBUCK, Inc. Florida Certificate of Authorization # 8064 Specialty Structural Engineering Attachment Component Description: Roof Deck to Supports: Roof deck shall be anchored to the structural supports with one of the following methods: 1. Fastener Size: Site specific design by Design Professional Fastener Type: Self-tapping sheet metal screws Standard: Factory Mutual approved Corrosion Resistance: Per FBC Section 1507.4.4 2. Fastener Size: Site specific design by Design Professional Fastener Type: Power-driven fastener Standard: Factory Mutual approved Corrosion Resistance: Per FBC Section 1507.4.4 3. Welding: Quality welding procedure Weld Type & Size: Site specific design by Design Professional Standard: American National Standards Institute / American Welding Society Standard (ANSI/AWS) D1.3, “Structural Welding Code⎯Sheet Steel”. Panel to Panel, Side Lap Stitching: Side laps shall be secured with the following: Fastener Size: # 8 x 1”, minimum Fastener Type: Self-tapping screws Corrosion Resistance: Per FBC Section 1507.4.4 Standard: Factory Mutual Approved or per SAE J78-1979. Installation: A. Roof Deck to Supports: 1. Attachment to Support: At every support 2. Attachment Spacing: Per site specific design but no greater than 12” o.c. B. Panel to Panel, Side Lap Stitching: 1. Attach at every support. 2. Attach at mid spans. 3. Maximum fastener spacing: 3 ft. o.c. Install the system in compliance with the attached installation method. Refer to manufacturer’s installation instructions as a supplemental guide for attachment. Quality Assurance: The manufacturer has demonstrated compliance of roof panel products in accordance with the Florida Building Code and Rule 9B-72.070 (3) for manufacturing under a quality assurance program audited by an approved quality assurance entity through FM Approvals, Norwood, MA (FBC Organization Number: QUA1860). FL #: FL 9942.2 Date: 11/ 12 /07 Report No.: 07-262-15B-36-S20-ER CBUCK Engineering Page 4 of 6 CBUCK, Inc. Florida Certificate of Authorization # 8064 Specialty Structural Engineering Performance Standards: The product described herein has been tested in accordance with: • FM 4450 (1992) – Approval Standard for Class I Insulated Steel Deck Roofs - with Supplements through July 1992 • AISI SG02⎯1 - American Iron and Steel Institute (AISI) North American Specification for the Design of Cold-Formed Steel Structural Members (AISI-NASPEC) Code Compliance: The product described herein has demonstrated compliance with the Florida Building Code 2004, (with 2005 and 2006 Supplements) Sections 1609.7.1 and 2209.1. Evaluation Report Scope: This product evaluation is limited to compliance with the structural wind load requirements of the Florida Building Code, as related to Rule 9B-72. System Limitations: The required design wind loads shall be determined for each project per FBC, 2004, Section 1603.1.4. Any rational analysis computations shall consider web crippling and fastener pullout/pullover per AISI Cold-Formed Steel specification and prepared by a qualified design professional as required by FBC 2004, Sections 104, 105, 106. The maximum attachment and support spacing listed herein shall not be exceeded. Diaphragm capacity is outside the scope of this evaluation. This product is not approved for use in the High Velocity Hurricane Referenced Data: 1. FM 4450-92 Wind Uplift Class I-90 By FM Approvals (FBC Organization #CER ID: 1840) Approval Guide – May, 2007, Page 2-7 2. FM 4451 Steel Roof Deck Test By Factory Mutual Research Corp. (FBC Organization #TST ID: 1867) Report No. 0M4A1.AM, Report Date: 1/10/86 3. Quality Assurance By FM Approvals, (FBC Organization #QUA ID:1860) 4. Certification of Independence By James L. Buckner, P.E. @ C-Buck Engineering (FBC Organization # ANE 1916) 5. Engineering Calculations By C-Buck Engineering • Report #C07-262, Dated: 11/12/07 FL #: FL 9942.2 Date: 11/ 12 /07 Report No.: 07-262-15B-36-S20-ER CBUCK Engineering Page 5 of 6 CBUCK, Inc. Florida Certificate of Authorization # 8064 Specialty Structural Engineering Engineering Properties Nucor Corp. – Vulcraft Group Vulcraft “1.5 B” Steel (20 Ga.) Roof Deck Panel 6" 2-1/2" Max. 1-1/2" 36" Coverage Width GAUGE DESIGN THICKNESS PANEL WEIGHT (PSF) Fy ISpSn (IN.) GALV. PAINTED (KSI) (IN4/FT) (IN3/FT) (IN3/FT) 20 0.0358 2.04 2.14 33 0.212 0.231 0.243 Table 1.0 Notes: 1. Section properties have been calculated in accordance with the American Iron and Steel Institute (AISI) Specification for the Design of Cold-Formed Steel Structural Members, AISI-NASPEC SG02⎯1. ALLOWABLE LOAD (PSF) FOR NOMINAL SUPPORT SPACING SUPPORT LOAD GAUGE SPAN CONDITION PSF SPACING CONDITION 2 OR MORE 20 SPANS 6' - 6" NEGATIVE 45 Table 2.0 Notes: 1. Allowable negative load based on FM Class 1-90 2. Values do not include a 1/3 stress increase ( Per FBC Section 1605.3.1.1 ). 3. Diaphragm capacity is outside the scope of this evaluation. FL #: FL 9942.2 Date: 11/ 12 /07 Report No.: 07-262-15B-36-S20-ER CBUCK Engineering Page 6 of 6 CBUCK, Inc. Florida Certificate of Authorization # 8064 Specialty Structural Engineering Installation Method Nucor Corp. – Vulcraft Group Vulcraft “1.5 B” Steel (20 Ga.) Roof Deck” Attached to Structural Supports Profile Drawings 6" 2-1/2" Max. 1-1/2" 36" Coverage Width Typical Panel Profile 36" o.c. Sidelap Fastening Roof Deck to Supports #8 or FM Approved Fastener Per site specific design at support intersections, midspans and no greater than 3 ft. from supports Structural Supports Designed by Others Typical Assembly Profile View .