<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
That is correct on the safety restrictions.</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
We'll have a second smaller tent ready then.<br>
</div>
<div id="appendonsend"></div>
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Marco Contalbrigo <mcontalb@fe.infn.it><br>
<b>Sent:</b> Wednesday, April 20, 2022 12:15 PM<br>
<b>To:</b> Tyler Lemon <tlemon@jlab.org><br>
<b>Cc:</b> Marco Mirazita <Marco.Mirazita@lnf.infn.it>; Marc Mcmullen <mcmullen@jlab.org>; dsg-hallb_rich@jlab.org <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: [dsg-hallb_rich] [EXTERNAL] Re: Dry tent</font>
<div> </div>
</div>
<div class="BodyFragment"><font size="2"><span style="font-size:11pt;">
<div class="PlainText">Dear Tyler,<br>
if I am not mistaken, safety restrictions limit the<br>
area of the tent. In 2017, we had two tents to fit the<br>
different panel shapes and provide the minimum space<br>
to work around.<br>
Bests, Marco.<br>
<br>
On Wed, 20 Apr 2022, Tyler Lemon wrote:<br>
<br>
> Hi Marco,<br>
> <br>
> In the meeting last Friday, we decided that only a bag or envelope purged with nitrogen to store the larger panel<br>
> after assembly will be needed rather than two separate structures.<br>
> <br>
> Has the plan changed?<br>
> <br>
> Currently, we've only planned for one, larger tent (what Marc sent), but we can get materials for a second if it's<br>
> needed.<br>
> <br>
> -Tyler<br>
> <br>
> ____________________________________________________________________________________________________________________<br>
> From: dsg-hallb_rich <dsg-hallb_rich-bounces@jlab.org> on behalf of Marco Mirazita <Marco.Mirazita@lnf.infn.it><br>
> Sent: Wednesday, April 20, 2022 12:06 PM<br>
> To: Marc Mcmullen <mcmullen@jlab.org><br>
> Cc: dsg-hallb_rich@jlab.org <dsg-hallb_rich@jlab.org><br>
> Subject: [dsg-hallb_rich] [EXTERNAL] Re: Dry tent <br>
> Hi Mark,<br>
> I discussed with Sandro the dimensions of the tents.<br>
> We need 2 tents, one for the assembly of the aerogel on the frontal<br>
> panel bottom and one for the assembly of the aerogel on the frontal<br>
> panel top.<br>
> The dimensions for the frontal panel top should be: length 4 meters,<br>
> width 1.5 meters, height 2 meters<br>
> The dimensions for the frontal panel bottom should be: length 2.5 meter,<br>
> width 2.5 meter, height 2 meter<br>
> <br>
> Please also consider that:<br>
> - the tent should be closed by the plastic on all the four sides, but in<br>
> one side we cut a door of about 1.5 m width.<br>
> - the door is open during the assembly and is closed by a strap after<br>
> work<br>
> - we need plastic sheet also to wrap the panels every day when we finish<br>
> working<br>
> - if necessary, the height of the tents could be reduced to 1.8 m<br>
> - the lateral dimensions are the minimum we need to accommodate the<br>
> panels plus some extra space for a table and the dry cabinet and to<br>
> allow the personnel to move smoothly around the panels<br>
> <br>
> I attached a couple of pictures of the tents we assembled in 2017.<br>
> We are available for a phone meeting, if necessary.<br>
> Best regards,<br>
> Marco<br>
> <br>
> <br>
> <br>
> Il 2022-04-20 15:45 Marc Mcmullen ha scritto:<br>
> > Good morning Tim and Jen,<br>
> ><br>
> > Within the next week or so, we expect to have the RICH detector dry<br>
> > tent reassembled in EEL 124 (cleanroom). This will be the same size as<br>
> > in 2017 to follow the guide lines from chapter 2 appendix 1. The<br>
> > structure will be ~12' x 5' and will have an aluminum frame with for<br>
> > the covering.<br>
> ><br>
> > Just as a reminder, the tent will be used to house Aerogel as it is<br>
> > being assembled on the detector panels. A dry-box will be used to<br>
> > reduce the humidity inside the tent which will prevent the Aerogel<br>
> > from absorbing moisture.<br>
> ><br>
> > After we get it assembled, we will invite you to come and review it.<br>
> ><br>
> > Regards,<br>
> > Marc<br>
> ><br>
> > -------------------------<br>
> ><br>
> > From: Timothy Minga <minga@jlab.org><br>
> > Sent: Wednesday, October 18, 2017 3:56 PM<br>
> > To: Marc McMullen <mcmullen@jlab.org><br>
> > Cc: manzlak <manzlak@jlab.org>; Jennifer Williams <jennifer@jlab.org>;<br>
> > dsg-rich <dsg-rich@jlab.org><br>
> > Subject: Re: Dry tent<br>
> ><br>
> > Marc,<br>
> ><br>
> > The construction of the tent must still adhere to Section 3.2<br>
> > Construction Materials, the square footage dictates whether the tent<br>
> > should require sprinkler protection. The approval process is fairly<br>
> > quick if section 3.0 is followed. I can come out and bless it without<br>
> > delay.<br>
> ><br>
> > Tim<br>
> ><br>
> > ----- Original Message -----<br>
> > From: "Marc McMullen" <mcmullen@jlab.org><br>
> > To: "Timothy Minga" <minga@jlab.org><br>
> > Cc: "manzlak" <manzlak@jlab.org>, "Jennifer Williams"<br>
> > <jennifer@jlab.org>, "dsg-rich" <dsg-rich@jlab.org><br>
> > Sent: Wednesday, October 18, 2017 3:10:33 PM<br>
> > Subject: Re: Dry tent<br>
> ><br>
> > Hi Tim,<br>
> ><br>
> > I read the section on portable clean rooms, so just to confirm, if we<br>
> > keep the foot print below 65sf...we can build it with basic<br>
> > non-flammables (FR plastic, unistrut...ect)?<br>
> ><br>
> > or<br>
> ><br>
> > If the structure needs to be slightly larger than that...e.g. 84sf,<br>
> > how<br>
> > long is the approval process? Is it just a few days, or will it take<br>
> > more than that for the approval items:<br>
> > 1. FPE inspection<br>
> > 2. Protection requirements for the room.<br>
> > 3. Assignment of the unique identifying number.<br>
> > 4. Permit issue<br>
> ><br>
> > Thanks in advance, this information will help us plan efficiently.<br>
> > Marc<br>
> > On 10/16/2017 12:09 PM, Timothy Minga wrote:<br>
> >> Marc,<br>
> >><br>
> >> Please see ES&H manual<br>
> > (<a href="https://www.jlab.org/ehs/ehsmanual/fire/Ch2App1.htm">https://www.jlab.org/ehs/ehsmanual/fire/Ch2App1.htm</a>) which describes<br>
> > the criteria for installing clean rooms or tents which block out the<br>
> > bldgs. sprinkler system. Please adhere to these guidelines under<br>
> > section 3.0 Interior relocatable structures (aka clean rooms). If you<br>
> > need further information give me a call.<br>
> >><br>
> >> Tim<br>
> >><br>
> >> ----- Original Message -----<br>
> >> From: "Marc McMullen" <mcmullen@jlab.org><br>
> >> To: "Timothy Minga" <minga@jlab.org><br>
> >> Cc: "manzlak" <manzlak@jlab.org>, "Jennifer Williams"<br>
> > <jennifer@jlab.org><br>
> >> Sent: Monday, October 16, 2017 11:56:41 AM<br>
> >> Subject: Re: Dry tent<br>
> >><br>
> >> Hi Tim and Jen,<br>
> >><br>
> >> The tent will have to be made with FR plastic. I have found that<br>
> > online,<br>
> >> so that issue is covered.<br>
> >><br>
> >> To Jen's point, we would be storing detector components in the tent,<br>
> >> would it be ok for personnel to enter briefly to retrieve parts, say<br>
> >> less than 5 minutes.<br>
> >><br>
> >> Marc<br>
> >><br>
> >><br>
> >> On 10/16/2017 11:33 AM, Timothy Minga wrote:<br>
> >>> Marc,<br>
> >>><br>
> >>> It needs to be flame retardant, and if your getting it at Walmart I<br>
> > doubt that's the case.<br>
> >>><br>
> >>> Tim<br>
> >>><br>
> >>> ----- Original Message -----<br>
> >>> From: "Marc McMullen" <mcmullen@jlab.org><br>
> >>> To: "manzlak" <manzlak@jlab.org>, "Timothy Minga" <minga@jlab.org><br>
> >>> Cc: "Jennifer Williams" <jennifer@jlab.org><br>
> >>> Sent: Monday, October 16, 2017 9:18:51 AM<br>
> >>> Subject: Re: Dry tent<br>
> >>><br>
> >>> Hi Tim,<br>
> >>><br>
> >>> We are working with INFN on the RICH detector, and we need a large<br>
> >>> storage area to house some panels which will have Aerogel blocks<br>
> >>> assembled on them. Aerogel absorbs moisture, which ruins the<br>
> > property of<br>
> >>> the material. Typically, small Aerogel would be stored in a dry<br>
> > box, but<br>
> >>> once it is installed on a panel it becomes too large.<br>
> >>><br>
> >>> The proposed solve for the storage of the panels of Aerogel is a<br>
> >>> temporary plastic greenhouse (see link), we would tape it to the<br>
> > floor<br>
> >>> of the cleanroom and install a drybox to dehumidify the area to<br>
> > less<br>
> >>> than 1% RH. The large cleanroom is typically 50% RH. Are there any<br>
> >>> safety procedures we would need to follow or safety documents which<br>
> >>> would be needed prior to assembling this greenhouse.<br>
> >>><br>
> >>><br>
> ><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.walmart.com_ip_10-2DX7-2DX6-2DLarger-2DWalk-2DIn-2DGreenho">https://urldefense.proofpoint.com/v2/url?u=https-3A__www.walmart.com_ip_10-2DX7-2DX6-2DLarger-2DWalk-2DIn-2DGreenho</a><br>
> use_116568684-23read-2Dmore&d=DwICAg&c=CJqEzB1piLOyyvZjb8YUQw&r=Ry65GV1L9CI4W-wouYF1Yh0O9PuhLc4ZWUkBi_Op2h8&m=OSY1<br>
> yFubAp2edAvrmipqBdWDxdpIalQuSHZhCBp8-V7x6_ib8OaCkd6kh-heSdsV&s=7d4vgydvvRzE3WzGw2x3DD6ij_2nVH5KiiuYOnAdFac&e=<br>
> > [1]<br>
> >>><br>
> >>><br>
> >>><br>
> ><br>
> > --<br>
> > Marc McMullen<br>
> > Detector Support Group<br>
> > 757-269-7738<br>
> ><br>
> ><br>
> > Links:<br>
> > ------<br>
> > [1]<br>
> ><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.walmart.com_ip_10-2DX7-2DX6-2DLarger-2DWalk-2DIn-2DGreenho">https://urldefense.proofpoint.com/v2/url?u=https-3A__www.walmart.com_ip_10-2DX7-2DX6-2DLarger-2DWalk-2DIn-2DGreenho</a><br>
> use_116568684-23read-2Dmore&d=DwICAg&c=CJqEzB1piLOyyvZjb8YUQw&r=Ry65GV1L9CI4W-wouYF1Yh0O9PuhLc4ZWUkBi_Op2h8&m=OSY1<br>
> yFubAp2edAvrmipqBdWDxdpIalQuSHZhCBp8-V7x6_ib8OaCkd6kh-heSdsV&s=7d4vgydvvRzE3WzGw2x3DD6ij_2nVH5KiiuYOnAdFac&e=<br>
> > _______________________________________________<br>
> > dsg-hallb_rich mailing list<br>
> > dsg-hallb_rich@jlab.org<br>
> > <a href="https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rich">https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rich</a><br>
> <br>
></div>
</span></font></div>
</body>
</html>