Comanche Peak same as PV and Robinson -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Barber, Jerry Sent: Thursday, January 26, 2012 12:16 PM To: '[email protected]' Subject: RE: Powernet: Lead blanket and scaffold storage in containment
Palo Verde answers are same as Robinson -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: Thursday, January 26, 2012 12:26 PM To: [email protected] Subject: RE: Powernet: Lead blanket and scaffold storage in containment Palo Verde provides the following response: Do sites store lead blankets (high temp or normal) and/or scaffold in containment during power operations (between RFOs)? Yes both normal lead blankets and scaffold Has this changed the frequency at which the lead/scaffold must be replaced? No What kind of storage container/materials are used? Steel boxes for shielding and steel racks for scaffolding What dose and time benefits have you seen/are expected? The dose benefit is minimal since the lead/scaffold was passed through low dose areas before the boxes/racks were added and the boxes/racks are located in low dose areas of containment. A significant amount of time has been saved by reducing the amount of lead stored in sealand containers that had to be staged every outage. Before the boxes/racks the materials were taken from the sealand to a low dose area near the work location and then moved into the work location for installation. Having containers in containment also reduces the number of workers required to move the lead/scaffold from the storage location to the work location. Kenneth Walter RP Technical Advisor, Radiological Engineering P.O. Box 52034, Tonopah, AZ 85354, M.S. 7663 Tel 623 393 5482 Fax 623 393 6640 [email protected] -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: Thursday, January 19, 2012 1:12 PM To: [email protected] Subject: Powernet: Lead blanket and scaffold storage in containment DC Cook would like to know in regards to Lead/Scaffold Storage in Containment: Do sites store lead blankets (high temp or normal) and/or scaffold in containment during power operations (between RFOs)? Has this changed the frequency at which the lead/scaffold must be replaced? What kind of storage container/materials are used? What dose and time benefits have you seen/are expected? Thank you in advance. 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