<div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">If you read the section carefully, it reads on both sides of "a" horizontal ridge. It does not read "each" or "all'" horizontal ridges. I know that this interpretation has worked in some jurisdictions in Florida. On many hip roofs, there could be several horizontal ridges. It could be interpreted or rationalized that the intent is both sides of the *highest* horizontal ridge.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Unfortunately, it's rare for an AHJ around here to enforce fire setbacks at all, so most contractors go right up to the ridge without a second thought. I've seen my share of panels over the ridge even. The Florida Building Code in effect now requires AHJs to enforce setbacks as they are included in the code, but most of them never get on the roof and they do inspections by having the contractor sign away their first born via affidavit saying that we did what is required. Commercial work is different. Usually, the fire marshall is involved in these plan reviews and inspections.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Long story short, we thought it was going to be a nightmare here, but as we got to know each jurisdiction's wants, we just complied and it all worked out. It helps to have a menu of different panel lengths to fit multiple rows when it's a close call.</div><div><div dir="ltr" class="gmail_signature"><div dir="ltr"><br>Jason Szumlanski<div><span style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px">Principal Solar Designer | Florida Solar Design Group</span><br style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px">NABCEP Certified Solar Professional (PVIP)</span><br style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px">Florida State Certified Solar Contractor CVC56956</span></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jun 7, 2023 at 3:02 PM rick--- via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>Wrenches,<div><br></div><div>Looking for some guidance on setbacks at ridge for PV systems. The 2018 code states the following:</div><div><br></div><div><h1 id="m_1885358945590484164text-id-22058150" style="box-sizing:inherit;margin:10px 0px 5px;padding:0px;font-size:14px;border-top-left-radius:inherit;border-top-right-radius:inherit;color:rgba(0,0,0,0.87);font-family:Roboto,sans-serif;background-color:rgb(255,255,255);background-repeat:no-repeat"><span style="box-sizing:inherit;margin:0px;padding:0px;background-repeat:no-repeat"><ins title="Technical code changes from previous edition of the I-Codes are shown in blue text" style="box-sizing:inherit;margin:0px;padding:0px;color:blue;text-decoration:none;background-repeat:no-repeat">R324.6.2 </ins></span><span style="box-sizing:inherit;margin:0px;padding:0px;background-repeat:no-repeat"><ins title="Technical code changes from previous edition of the I-Codes are shown in blue text" style="box-sizing:inherit;margin:0px;padding:0px;color:blue;text-decoration:none;background-repeat:no-repeat">Setback at ridge.</ins></span></h1><p id="m_1885358945590484164text-id-22058150-0" style="font-size:16px;box-sizing:inherit;margin:0px 0px 8px;padding:0px;text-align:justify;border-bottom-left-radius:inherit;border-bottom-right-radius:inherit;color:rgba(0,0,0,0.87);font-family:Roboto,sans-serif;background-color:rgb(255,255,255);background-repeat:no-repeat"><ins title="Technical code changes from previous edition of the I-Codes are shown in blue text" style="box-sizing:inherit;margin:0px;padding:0px;color:blue;text-decoration:none;background-repeat:no-repeat">For photovoltaic arrays occupying not more than 33 percent of the plan view total roof area, not less than an 18-inch (457 mm) clear setback is required on both sides of a horizontal ridge. For photovoltaic arrays occupying more than 33 percent of the plan view total roof area, not less than a 36-inch (914 mm) clear setback is required on both sides of a horizontal ridge.</ins></p><div>
<div dir="auto" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"><div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="overflow-wrap: break-word;"><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br></div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">In reading <a href="https://ipsunsolar.com/new-fire-code-setbacks-in-virginia-will-limit-the-size-of-solar-projects/" target="_blank">this </a>article put out by Ipsun Solar regarding the setbacks, they state that if there’s no PV on the opposite side of the roof no setback is required, although their diagram shows a 12” setback. I don’t see any exceptions in the code that indicate that. What’re you all doing for ridge setbacks? </div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br></div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">Thanks,</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br></div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br></div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">rick brown<br>SolShine Energy Alternatives, LLC<br>Electrical & Solar Contracting Services<br><a href="http://www.SolShineEnergy.com" target="_blank">www.SolShineEnergy.com</a><br>Roanoke, VA</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">Office: 540.235.3095<br>Mobile: 540.808.9502<br><br>VA Class A Contractor Lic# 2705147660<br>VA Master Electrician Lic# 2710062762<br>VA Alternative Energy Systems Installer  <br>NABCEP Certified PV Installation Professional 110112-21</div></div></div></div><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"><br style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span><span><span></span></span></span></span></span><span><img alt="solshine-01-18-17 copy.jpg" src="cid:18897faea72158979d61"></span>
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