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<div class=Section1>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:9.0pt;
font-family:Arial'>I caught this thread a little late, but I have a hard number
to be used in this discussion. We have worked with a umber of AHJs about the
dead load of a PV system, and we routinely quote 2.6 lbs/sq-ft. This based on
the actual module plus hardware weights for an array of four (4) BP Solar
SX3200 modules, six (6) ProSolar 4-1/2” Fast Jacks, six (6) Oatey
flashing (plus caulk), six (6) ProSolar mid-clamps (with channel nuts), four(4)
ProSolar end-clamps (with channel nuts). The total weight is 157.8 lbs and the “array
size” used is the full rail length times the long dimension of the
module, 62.8 sq-ft. We did not include wire, conduit, pull boxes or anything of
the like, as these components are not typically found “underneath”
the PV array. Tilt racks would weight more. Larger arrays may actually come in
at a slightly lower weight per unit area.</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:9.0pt;
font-family:Arial'> </span></font></p>
<div>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:9.0pt;
font-family:Arial'>- Peter</span></font></p>
<p><font size=1 color=navy face=Arial><span style='font-size:9.0pt'> </span></font></p>
<p class=MsoNormal><img width=67 height=80
src="cid:image003.gif@01C9FFB9.14C44710" align=left hspace=12><font size=1
color=navy face=Arial><span style='font-size:9.0pt;font-family:Arial;
color:navy'>Peter T. Parrish, Ph.D., President<br>
California Solar Engineering, Inc.<br>
820 Cynthia Ave., Los Angeles, CA 90065<br>
CA Lic. 854779, NABCEP Cert. 031806-26<br>
<a href="mailto:peter.parrish@calsolareng.com"><font color=navy><span
style='color:navy'>peter.parrish@calsolareng.com</span></font></a> <br>
Ph 323-258-8883, Mobile 323-839-6108, Fax 323-258-8885 </span></font><font
size=1 color=navy><span style='font-size:9.0pt;color:navy'> </span></font></p>
<p><font size=2 color=navy face=Arial><span style='font-size:10.0pt'> </span></font></p>
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