Document yr6KGdXr61pmzOypaw8X5X0Jn

BIRD INCORPORATED Memo To: W. McCIung - PS Subject: ARCH 80 - SPECIFICATION CHANGE From: R. J. Carlson - BBQ Date: September 37, 1984 By copy of this memo you are authorized to produce Arch 80 #1 and #2 components at a net #/10Q sq. ft. target weight of 90.0#. These component weights will result in a finished shipping weight of 289.8 #/sq. for the Arch 80. Additionally, the filler content will be increased from 55% to 60% for both components. New standard cards will be issued to reflect these changes. RJC/cm J. K. Colvin - MS P. Ladner - PSL R. F. Jagocki - PKL J. McAfee - FK H. Robinson BIRD 014091