13 Special Construction

13.20.00 Special Purpose Rooms

13.21.00 Controlled Environment Rooms 13.22.00 Office Shelters and Booths 13.23.00 Planetariums 13.24.00 Special Activity Rooms 13.26.00 Fabricated Rooms 13.27.00 Vaults 13.28.00 Athletic and Recreational Special Construction

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