2621 S Glenarbor St - Plan - Laserfiche WebLink

Home Browse Search

SUNPOWER CORPORATION Document #524734 Rev G SPAN TABLES, INVISIMOUNT Template FILE-074910, Ed. 2 Document #524734 Rev G, Vol. 2 1 SunPower Proprietary InvisiMount Span Tables Engineering Summary Letter Volume: 2 ASCE 7 Version: 7-16 Module Type: 22 Sq. Ft. Module Roof Attachment: Composite Shingle High Wind: No High Snow: No The Span Tables are divided into two Parts: • Part 1: Simplified Tables (Wind Tunnel Loads) • Part 2: General Tables (ASCE 7 Analytical Method) Part 1 features spans based on forces on the InvisiMount system using exposure coefficients, GCp, provided by a Wind Tunnel Test Report by Cermak, Petrka, & Petersen (CPP). These values provide a more accurate and economical solution but apply to less configurations. It is recommended to use these values whenever possible, and when not, to use the spans provided in Part 2. Approved Attachments: The following span tables are adequate for the following roof attachments: • SunPower InvisiMount L-Foot attachment • Pegasus Composite Shingle Roof Attachment o And roof attachments with capacities equal to or greater than all of the following Load and Resistance Factor Design (LRFD) values: ▪ Tension – 1000lb ▪ Compression – 1000lb ▪ Shear – 390lb Scope: • Module orientations: Portrait & Landscape • Gable and Hip roofs only with modules not in the overhang sections of the roof • Roof heights o 30ft (Part 1 only) o 20-60ft (Part 2 only) • Roof Slope o 4:12 to 8:12 (Part 1 only) o 2:12 to 12:12 (Part 2 only) • Exposures Categories B, C, D • Basic Wind Speeds: o ASCE 7-10: 110-140mph – High Wind: 145-180mph o ASCE 7-16: 90-130mph – High Wind: 135-180mph • Ground Snow Loads: o 0-60psf (10psf increments) o High Snow Volumes: 80-200psf (20psf increments) o High Wind Volumes: 0psf 2621 S Glenarbor St - 201821343/6/2024