<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div style="-webkit-text-size-adjust: auto; ">Article here by Jerry Stachiw for the 2004 UI convention</div><div style="-webkit-text-size-adjust: auto; ">that says you should be able to get twice the design life</div><div style="-webkit-text-size-adjust: auto; ">out of a view port if it hasn't been taken to extremes during</div><div style="-webkit-text-size-adjust: auto; ">It's life time. See page 6</div><div style="-webkit-text-size-adjust: auto; "><span style="font-size: 15px; line-height: 19px; white-space: nowrap; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); -webkit-text-size-adjust: none; "><a href="http://www.hydroports.com/documents/New_Orleans_Meeting-Feb_2004.pdf">http://www.hydroports.com/documents/New_Orleans_Meeting-Feb_2004.pdf</a></span></div><div><span style="font-size: 15px; line-height: 19px; white-space: nowrap; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.292969); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469);">Alan<br></span><br><span style="-webkit-text-size-adjust: auto;">Sent from my iPad</span></div><div style="-webkit-text-size-adjust: auto; "><br>On 16/12/2013, at 11:53 AM, Alan <<a href="mailto:alanlindsayjames@yahoo.com">alanlindsayjames@yahoo.com</a>> wrote:<br><br></div><blockquote type="cite" style="-webkit-text-size-adjust: auto; "><div><meta http-equiv="content-type" content="text/html; charset=utf-8"><div style="-webkit-text-size-adjust: auto; ">There is a brief article in this link</div><div style="-webkit-text-size-adjust: auto; "><span style="font-size: 15px; line-height: 19px; white-space: nowrap; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); -webkit-text-size-adjust: none; "><a href="http://www.imca-int.com/media/71150/imcad047.pdf">http://www.imca-int.com/media/71150/imcad047.pdf</a></span></div><div style="-webkit-text-size-adjust: auto; "><span style="font-size: 15px; line-height: 19px; white-space: nowrap; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); -webkit-text-size-adjust: none; ">about deterioration & testing of view ports.</span></div><div style="-webkit-text-size-adjust: auto; "><span style="font-size: 15px; line-height: 19px; white-space: nowrap; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); -webkit-text-size-adjust: none; ">It basically says the condition of them is difficult to determine</span></div><div style="-webkit-text-size-adjust: auto; "><span style="font-size: 15px; line-height: 19px; white-space: nowrap; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); -webkit-text-size-adjust: none; ">& throw them out after 10 years.</span></div><div style="-webkit-text-size-adjust: auto; "><span style="font-size: 15px; line-height: 19px; white-space: nowrap; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); -webkit-text-size-adjust: none; ">It refers you to the PVHO-2: 2003 for further details on determining </span></div><div><span style="font-size: 15px; line-height: 19px; white-space: nowrap; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.292969); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469);">the length of service.</span></div><div><span style="font-size: 15px; line-height: 19px; white-space: nowrap; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.292969); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469);">Alan</span></div><div><span style="font-size: 15px; line-height: 19px; white-space: nowrap; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.292969); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469);"><br></span><br><span style="-webkit-text-size-adjust: auto;">Sent from my iPad</span></div><div style="-webkit-text-size-adjust: auto; "><br>On 16/12/2013, at 10:31 AM, Jon Wallace <<a href="mailto:jonw@psubs.org">jonw@psubs.org</a>> wrote:<br><br></div><blockquote type="cite" style="-webkit-text-size-adjust: auto; "><div>
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Ok, missed that part. Now what you said about the scratches
disappearing when wet on both sides makes sense. So yeah, you
probably just need to go as far as you get good vis when the MBT's
are flooded.<br>
<br>
<br>
On 12/15/2013 4:26 PM, hank pronk wrote:<br>
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<div><span>Jon,</span></div>
<div><span>Agreed, I am concerned of coarse about the buffing
temperature. In my case the ports are in quite good
condition, and should need minimal buffing. The mbt windows
are in rough shape but they are not under stress like a port
so we can get tough with them. </span></div>
<div><span>Hank</span></div>
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