Claire, The ultimate strength should be 4200psi. Please revise as required. Thanks, Clay -----Original Message----- From: Claire Callaham [mailto:ckcallaham@calhar.com] Sent: Friday, November 13, 2009 12:39 PM To: Clay Barnett; David Wilde; 'Justin Ballard' Cc: 'Carson Coleman'; 'Allen Braddock'; don@calhar.com Subject: FW: Methodist Hospital - Quick Cure Concrete Mix Design for Proposed Addison Rd Pavement Replacement To ALL, We are proposing the attached “high early” mix design for pavement replacement in Addison Road. Please review the attached & let us know is acceptable to proceed. If approved today, we plan to replace pavement on Monday, 11/16, using this mix design. Thanks, Claire Callaham CalHar Construction, Inc. 2138 CalHar Drive Melissa, Texas 75454 Office: 972-838-2888 Fax: 972-838-2299 Mbl: 214-325-1879 E-Mail: ckcallaham@calhar.com ________________________________ From: Christian, David [mailto:David.Christian@oldcastleapg.com] Sent: Friday, November 13, 2009 9:55 AM To: ckcallaham@calhar.com Subject: Calhar Class K Mod Addison 11-09.xls