[PSUBS-MAILIST] Windows

[Alan]

Article here by Jerry Stachiw for the 2004 UI convention
that says you should be able to get twice the design life
out of a view port if it hasn't been taken to extremes during
It's life time. See page 6
http://www.hydroports.com/documents/New_Orleans_Meeting-Feb_2004.pdf
Alan

Sent from my iPad

On 16/12/2013, at 11:53 AM, Alan <alanlindsayjames at yahoo.com> wrote:

> There is a brief article in this link
> http://www.imca-int.com/media/71150/imcad047.pdf
> about deterioration & testing of view ports.
> It basically says the condition of them is difficult to determine
> & throw them out after 10 years.
> It refers you to the PVHO-2: 2003 for further details on determining 
> the length of service.
> Alan
> 
> 
> Sent from my iPad
> 
> On 16/12/2013, at 10:31 AM, Jon Wallace <jonw at psubs.org> wrote:
> 
>> 
>> 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.
>> 
>> 
>> On 12/15/2013 4:26 PM, hank pronk wrote:
>>> Jon,
>>> 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. 
>>> Hank
>> 
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