BY this Amendment, the USACE is hereby notifying interested contractors that the comment/response period for this Source Sought notice is extended to 31 March 2011. All other terms and conditions that were delineated in the original Notice remain unchanged. Accordingly, respondents interested in providing a response to the Notice shall provide their submittals to Regina Blair prior to 4:30 p.m. (CDT) on 31 March 2011 via email to: [email protected] (ensure that the number of the Sources Sought Notice of "W912P6-11-S-0001" is included in the subject line of the email). Or, Respondents are welcome to mail their submittals to: Regina G. Blair, Chief, Contracting Branch, via FAX to: 312-886-5475 (please mark the transmittal form with the sources sought announcement number W912P6-11-S-0001).