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Ridge soq in inches not la excecd ridge tenqth in leel dividad W 20 <br />,€ <br />dt\'( <br />ot <br />,t"dd* <br />doN <br />Uolei ollourPJd only in middle third ol rdftcr <br />depLhl Dt dA ro W'qcr lfol D/4 in did-t:€l€}- <br />fiinimLrn spcirE betrueen lpLcg ol leo.l D. <br />Rdftcr sag in irElEg <br />lo excad rofter t€iqth <br />in lccl diyided by 20. <br />NoL.lres deeqr *d1 Yat <br />f.lOT ol tourd alor€ lr? or <br />bDlloali edqe ol ro+ler <br />- Verify thot w diqorl,dl or verlic,nl t@f <br />trusg m?rnberg aa cvl ff nokd <br />'- rBard'. Holthi notchee dl dl of roft€rs OK <br />Al,erc rofle.s a'e visible f.q11 qLlia l/6qleriida ol roof, visr.,otly aeview "ofLrato verify thot no significdrt structurol <br />deaol or q\-reqired fi.c d6 qe exisl3 <br />Figure l. Roof Visuol Structurol Review (Conlroclor's Site Audit) of Existing Condilions. <br />The site auditor should verify the following. <br />l. No visually apparent disallowed rafter holes, notches and truss modifications as shown above. <br />2. No visually apparent structural decay or unrepaired fire damage. <br />3. Roofsag, measured in inches, is not more than the rafter or ridge beam length in feet divided by 20. <br />Rafters that fail the above criteria should not be used to support solar arrays unless they are first strengthened <br />\rdoo <br />rot <br />- fiodoh lnf@l Rd.l <br />D- Rofter Dcpth <br />1 T$ <br />63 <br />&P <br />;3!r + <br />Figure 2. Somple Solor Ponel Arroy ond Anchor Loyoul Diogrom (Roof Plon). <br />I <br />a <br />.,/ <br />a <br />a <br />It <br />a <br />a <br />a <br />a <br />a <br />a <br />a <br />a <br />a <br />a <br />a <br />a <br />a <br />a <br />a <br />a <br />a