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Crossover floors : Building Common or Floor Common? BOMA Office 1996-2010-2017

Stéphane Carriere
COEHSIO Architecture
February 7, 2023

Where Code-required crossover floors are present,

(in this theroteical case, on a single tenant floor occupancy, where the tenant does not allow free acces crossover through his space)

Would Crossover corridors be considered:

a) Floor Common area?
b) Building Common area? (ref: 2010 Elevator transfer floors in Best practice #15)

and how does this envole from BOMA 1996, 2010, and 2017 Office standard?

David Fingret
Extreme Measures Inc.
February 8, 2023

Hi Stéphane,

We allocate crossover corridors to Building Common Area / Building Service Area in BOMA 1996, 2010, and 2017 Office Standards.

The BOMA 2017 Office Standard also mentions this in Section 3.3 Special Conditions "Sky Lobbies, Crossover Floors and Elevator Transfer Corridors" on page 53.


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