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ad-2011-00214_0008.jpg 0 evoni TR Jim Kelley, PE Evonik Degussa Corporation Manager — Civil/Structural/Architectural (CSA) Dept. 4201 Degussa Road 36582 or Process Technology & Engineering P.O. Box 868 36590 Engineering Services Dept. Theodore, AL Direct: (251) 443 -2606 Cell: (251) 454 -3618 Fax: (251) 443 -4010 Date: June 23 , 2011 jim.kelley ®evonik.com vmmevonik.com To: Mr. Howard Wolfe cc: Richard Kilpatrick Building Inspector Joe Helbling City of Blair 218 South 16'h Street �EU��V�� Blair, NE 68008 From Jim Kelley JUL 18 2011 Re: Building Permit and Building Code Analysis GITY OF 31LAIR Evonik Degussa Corporation NEBRASKA 650 Industrial Park Drive Blair, NE 68008 Project — Evonik 2011 Biolys Expansion - Fermentation Building Addition — CN- 2011 -00214 Dear Mr. Wolfe: Thank you for your review of our first concrete and structural steel package submittals for a building permit. Although, we were hoping for a clean review, we do appreciate your comments and we have addressed each of your points as stated in your email response to Mr. Robert Kilpatrick on June 16, 2011, as follows: 1 After further review of the 2009 International Building Code (IBC), we will revise our letter, Building Code Analysis, from a'4 story with a mezzanine level and multiple platforms'to a'1 story with multilevel equipment platforms'. This will also allow the work to be in compliance with Table 503 which allows up to 3 stories for a non- sprinklered F -2 occupancy of type II -B construction. 2 Will add 3' x 6' -8" nominal, standard pedestrian doors at grade and at locations not to exceed 50' along the east wall to comply with Section 903.2.11.1 for fire department access. 3 The new work does not include any new enclosed stair towers; whereas, a standpipe is common to have in place with enclosed stair towers. We were also following historical precedent as a standpipe does not exist in the existing, much larger Fermentation building and the new 2011 Evaporator building. Therefore, based on the preceding statements, it was not planned to install a standpipe. 4 An exiting plan will be provided showing travel distances and directions to an exit or exit enclosure 5 We do not have any new interior exit ways. With the addition of item 2 above, exit doors to the exterior will be in place at grade. Other exiting will be by the removal of the existing common wall between the existing Fermentation building and the new Fermentation building addition. This will be completely removed for the full height and width of our expansion. Exiting from these new, generally unoccupied platforms will be by new walkways leading into the existing Fermentation building and then following the exit paths of the existing Fermentation building and the Administration building. Therefore, we feel no enclosures are required.