Tom Lane - Sent from my iPad
Begin forwarded message: > From: Tom Lane <tomlaneso...@gmail.com> > Date: January 13, 2017 at 3:25:10 PM MST > To: re-wrenches@lists.re-wrenches.org > Subject: Re: Solar World wind damage > > Better English sorry Mike > > Tom Lane - Sent from my iPad > >> On Jan 13, 2017, at 3:12 PM, Tom Lane <tomlaneso...@gmail.com> wrote: >> >> In Florida due to hurricanes we have learned that THE MODULES THAT ARE ON >> THE ENDS OF EACH ARRAY that we should always ADD ANOTHER RAIL WITH CLAMPS . >> For example if you have an array facing south then the east and west most >> module in each row MUST HAVE AN EXTRA OR A THIRD RAIL ! This prevents >> peeling , also use a five pattern INSTEAD OF A four pattern that ties all >> the trusts together , a four pattern skips every other trust . If modules >> are raise on struts ALL END MODULES SHOULD HAVE 11/2 sets of mounting >> hardware ON EACH END module and be cross braced on the struts in an X >> pattern to the bottom AND top of the adjacent module's two struts so that >> all five struts ( 3 on the end module ) and the two on the adjacent module >> are tied front and back of ALL the back struts with two L bar 3/16 thick >> rails in the X pattern with 5/16 SS bolts . Gator Tom >> PS : Do not blame the module manufacturer it is always the responsibility to >> look for the worst scenario possible i.e. The Record Storm at the sites >> history , then up it .15% . Also use common sense which is now a super >> power ! I have seen people using clamps alone on modules just attached to >> the seems of metal roofs WITHOUT A RAIL TO TIE IT ALL TOGETHER ! Rails >> should always be tied to metal roofs and THEN each module clamped to the >> rails . Uneven expansion and contraction on metal roofs leads to a disaster >> waiting to happen in rails are not used . Mounting the array is the most >> important part of the contracting A) no leaks B ) no wind or storm damage . >> You have nothing to do with anything else except aesthetics . 90 % is no >> leaks and no wind damage . Esthetics is 10 % . The modules make the >> electricity not the contractor , wiring professionally should be a given . >> Roofing work is what separates a Solar Contractor from an electrician in >> Florida . Only CVC solar licenses and Roofers are allowed to attach modules >> to a roof . An Electrician has to use a roofer in Florida or a CVC Solar >> Contractor unless the electrician is doing a ground mount . >> Tom Lane - Sent from my iPad
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