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Bureau of Development Services Program Guide-Solar Water Heating and Photovoltaic Electric Generators `„ Installed on One or Two Family Dwellings Page 7 of 14 December 1, 2010 information on any support strut or frame that supports the rails including frame member sizes, lateral bracing where required and their attachments. Details and information on the attachment of the system to the building structure are also required. 3) When S5 clips or similar clips are used at standing seam metal roof decks, the following guidelines shall be followed: Allowable Loads Subject to the limitations noted below, the allowable uplift design loads for S-5-U Mini Clips shall not be taken greater than: (i) 75 lbs per clip when the clips are spaced at 24"o.c. or more but less than 48"o.c. along the seam of the standing seam deck OR (H) 115 lbs per clip when the spacing along the seam of the deck is 48"o.c. or more. Limitations: 4111, 1. The S-5-U Mini Clips shall be spaced a minimum of 24" o.c. 2. The minimum roof framing size shall be 2x4 (nominal). Maximum framing spacing shall be 24 inches. Roof sheathing shall be a minimum of Y2" nominal plywood with minimum prescriptive nailing (8d at 6" o.c. edge nailing, 12" o.c. field nailing). 3. The standing seam metal roofing shall be one of the following types (or similar): • Bruce & Dana— Snap-Lock (12-inch panel width, 24 gage) • Taylor Metal Products— Easy Lock (12-inch panel width, 24 gage) • ASC Metal Products — Skyline Roofing (16-inch panel width, 26 gage) • AEP Span — Design Span HP (18-inch panel width, 24 gage) • AEP Span — Span-Lok HP (16-inch panel width, 24 gage) 4. Metal roofing shall be fastened to the roof framing per the manufacturer's instructions and at 24"o.c. maximum with a minimum of #10 pancake head screws. For roofing systems installed with clips (AEP span systems) clip spacing shall be 24" 41110 o.c. maximum and clips shall be installed with a minimum of two #10 pan head screws.