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Vicki McCartney [EH] <br />From: Scott Covey <s.covey@yahoo.com> <br />Sent: Wednesday, May 3, 2017 7:03 AM <br />To: Vicki McCartney [EH] <br />Subject: FW: YRC Freight - Tracy CA <br />Attachments: doc07224520170503091758.pdf, doc07223820170503091044.pdf <br />Hi Vicki, <br />Please read thru the response below and let me know if you find this sufficient for your needs. (Diane Reaves from CSI is <br />on vacation, so we've asked Dennis Hockenberry to provide the additional details). <br />Thank you, <br />Scott C... <br />Scott Covee <br />COVEY ENGINEERING, INC. <br />Covey Engineering, Inc <br />A Div of National Petroleum Services <br />Main: 866 -706 -TANK (8265) Ext 4 <br />Cell: 951-522-5110 <br />Digi -Fax: 866-706-8265 <br />AZ, AR, AL, CA, CO, GA, IA, ID, IL, IN, KS, KY, MD, MI, MO, MS, NE, NJ, NY, OH, OK, TX, UT, VA, WI +++ <br />From: DHOCKENBERRY[mailto:dhockenberry@csiproducts.com] <br />Sent: Wednesday, May 03, 2017 6:22 AM <br />To: Scott Covey <s.covey@yahoo.com> <br />Cc: DREAVES <dreaves@csiproducts.com> <br />Subject: RE: YRC Freight -Tracy CA <br />Scott, <br />I will answer the questions the best I can from experience; For clarification, DWT -4P =a double wall tank, large <br />interstitial space tank, the "4" is for the 4' diameter tanks. A DWT -2P = a double wall tank, large interstitial space tank, <br />for the 6' and 8' and 10' diameter tanks. I attached some information directly from an older Owens-Corning brochure, <br />it states tanks 2P tanks, should have reservoirs, but I know from experience, some customers wanted tanks "without" <br />reservoirs, but that would have been considered a MTO (Made to order) tank, there is no indication on the order details <br />that both Randy and Diane provided to you that tanks were made to order tanks. These tanks (DW7-2P & 4P tanks), can <br />be converted from a dry to wet tank (see attachment from Owens-Corning), the information in the attachment about <br />dry tanks and wet tanks, as the same tank, "pressure testing, vacuum monitoring and hydrostatic monitoring" on the <br />same tank models. One more item for clarification, these are indeed Owens-Corning tanks, they are not Containment <br />Solutions tanks, but as you know we were Owens-Corning prior to 1995. And, if a tank has a reservoir, it can be <br />converted to brine, but if a reservoir don't exist, then the hydrostatic tank monitoring system will not work properly on a <br />double wall tank without a reservoir. <br />Hope this helps. <br />Regards, <br />