[dsg-hallb_rich] [EXTERNAL] Re: new RICH dry cabinet procurement - nitrogen connection

[Tyler Lemon]

Hello,

Since we all agree, I will let Super Dry know to ship the components in two shipments.

-Tyler
________________________________
From: Marco Mirazita <Marco.Mirazita at lnf.infn.it>
Sent: Monday, January 25, 2021 6:28 AM
To: Patrizia Rossi <rossi at jlab.org>
Cc: Tyler Lemon <tlemon at jlab.org>; dsg-hallb_rich at jlab.org <dsg-hallb_rich at jlab.org>
Subject: [EXTERNAL] Re: [dsg-hallb_rich] new RICH dry cabinet procurement - nitrogen connection

I agree, better have the cabinet as soon as possible and the rotameter
later.
Best regards,
Marco



Il 2021-01-22 23:40 Patrizia Rossi ha scritto:
> Dear Tyler,
>
> Sorry for my late reply to your e-mails. Of course I concur on having
> the dry cabinet and nitrogen rotameter connection in two separate
> shipments.
>
> In addition,  since you said that DSG should be able to easily do the
> connection, in case we need it urgently  we can have an
> “home-made” version
>
> Thanks for your work on this subject
>
> Cheers
>
> patrizia
>
> From: dsg-hallb_rich <dsg-hallb_rich-bounces at jlab.org> on behalf of
> Tyler Lemon <tlemon at jlab.org>
> Date: Friday, January 22, 2021 at 3:01 PM
> To: "dsg-hallb_rich at jlab.org" <dsg-hallb_rich at jlab.org>
> Subject: Re: [dsg-hallb_rich] new RICH dry cabinet procurement -
> nitrogen connection
>
> Hello,
>
> I've received the response below from Super Dry with more info on
> their warranty and also yet another question.
>
> All of the dry cabinet's components have a one year warranty. The
> drying unit has an additional two-year "pro-rata" warranty. From
> Google, this seems to mean that they will replace or repair the drying
> unit, but the fact that the drying unit is used and therefore it's
> value is depreciated will be taken into consideration.
>
> The question they now have is  whether we would be okay getting the
> dry cabinet and nitrogen rotameter connection in two separate
> shipments. The cabinet looks to be able to be delivered to JLab in
> about 6 weeks. The N2 connection will not be available until 9 weeks
> from now. He says the N2 connection is "designed for field retrofit"
> so we should be able to easily do the connection ourselves.
>
> I don't see any reason we should not get the dry cabinet and
> rotameters in two separate shipments since that would in turn let us
> receive aerogel earlier. Does anyone else feel differently?
>
> -Tyler
>
> Hi Tyler,
>
> We warranty all parts for one year.  The dry unit, which is the main
> operating component, has an additional two years pro rata warranty.
> There are very few components that can fail, and there are no
> maintenance or consumable items.  The cabinets are intentionally
> designed in a very modular fashion to enable quick, simple screws and
> plugs exchange of any failed items without the need for skilled
> technicians.  Factory maintenance personnel are typically who we
> interface with when there is an issue.
>
> With regard to your N2 emergency option.  This will not be available
> for dispatch until week 9.  I do not know if you need the cabinet
> sooner.  All of our options are designed for field retrofit, and this
> can be delivered separately with the cabinet shipping sooner.  Two
> lockrings and a cable plug are the extent of the retrofit. The
> enclosure is already prepared for the option.
>
> We can organize the schedule either way.  Cabinet transport time is
> typically 3-4 weeks.  The cabinet itself can dispatch in about two
> weeks.  The valve assembly if separate, ships as a parcel which is
> less than a week.
>
> Let me know.
>
> Best,
>
> Rich
>
> -------------------------
>
> From: dsg-hallb_rich <dsg-hallb_rich-bounces at jlab.org> on behalf of
> Tyler Lemon <tlemon at jlab.org>
> Sent: Friday, January 22, 2021 12:48 PM
> To: dsg-hallb_rich at jlab.org <dsg-hallb_rich at jlab.org>
> Subject: [dsg-hallb_rich] new RICH dry cabinet procurement - nitrogen
> connection
>
> Hello Dr. Rossi,
>
> I received a reply to my inquiry to Super Dry about their other
> options for connecting nitrogen to the new dry cabinet. They have
> offered an option to include a rotameter and connection that will turn
> on in the event of a power loss to help protect the aerogel. This
> option will be $900.
>
> Since the $2,030 auto-flow nitrogen connection will be removed from
> the PR, the overall cost of the dry cabinet will be slightly reduced
> to ~$21,000.
>
> In addition to this connection from Super Dry, DSG is in the process
> of designing our own "aerogel fail-safe" system . This fail-safe
> system will utilize a fails-open electric solenoid valve that will
> open nitrogen flow to the dry cabinet on a power outage. We would also
> be able to open this valve programmatically to purge the cabinet with
> nitrogen in the event that the internal humidity increases beyond ~5%
> RH. More details on this aerogel fail-safe system will be coming in
> the next week.
>
> -Tyler
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