Pv Module Clearances From Roof Edge

Current 2016 ca residential fire code roof clearance requirements pathways to ridge street access 2016 ca intervening code cycle supplement.

Pv module clearances from roof edge. This official sponsor may provide discounts for members. Panels and modules installed on dwellings with hip roof layouts shall be located in a manner that provides a clear access pathway not less than 3 feet 914 mm in width from the eave to the ridge on each roof slope where panels and modules are located. Panels with a minimum distance between the panel and roof edge of 2s where s is the gap between the underside of the panel and the roof surface. 60mm gap 120mm from roof edge 70mm gap 140 mm from roof edge etc.

The international fire code 605 11 3 2 4 that states panels modules installed shall be located no higher than 3 ft below the ridge to allow for fire department ventilation operations significantly decreases the attractiveness of residential solar pv because it applies to both sides of a peaked roof. 5 fpb requirement no. Mcs say 600mm building regs is grey one report that it is 300mm another company that thinks its 400mm. In some cases access pathways for roof faces with pv may be on roof faces adjacent to the roof face with pv modules.

Away from a horizontal ridge on both sides to create the 36 in wide path. Anybody know the minimum clearance required between pv module edge of roof. So if you have a 50mm high gap between panel and roof 100mm minimum distance panel from the roof edge. Where panels cover more than 33 of the roof a 36 in wide path is required on both sides of the ridge.

2 the access pathway shall be located at a structurally strong location on the building i e. For roofs where pv panels cover up to 33 of the total area in plan view essentially as seen from above the panels must be at least 18 in. Roofs under windows now require 36 inch wide access pathway.