2.1.1.2
Heavy Duty Doors
SDI A250.8, Level 2, physical performance Level B, Model [1] [2], with core
construction as required by the manufacturer [for interior doors] [and]
[for exterior doors], of size(s) and design(s) indicated. [Where vertical
stiffener cores are required, the space between the stiffeners shall be
filled with mineral board insulation.] [Provide Level II [where indicated]
[for doors No. [_____]].]
2.1.1.3
Extra Heavy Duty Doors
SDI A250.8, Level 3, physical performance Level A, Model [1] [2] [3] with
core construction as required by the manufacturer [for interior doors]
[and] [for indicated exterior doors], of size(s) and design(s) indicated.
[Where vertical stiffenercores are required, the space between the
stiffeners shall be filled with mineral board insulation.] [Provide Level
3 [where indicated] [for doors No. [_____]].]
2.1.1.4
Maximum Duty Doors
SDI A250.8, Level 4, physical performance Level A, Model [1] [2] with core
construction as required by the manufacturer [for interior doors] [and]
[for indicated exterior doors], of size(s) and design(s) indicated. [Where
vertical stiffener cores are required, the space between the stiffeners
shall be filled with mineral board insulation.] [Provide Level 4 [where
indicated] [for doors No. [_____]].]
2.2
CUSTOM HOLLOW METAL DOORS
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NOTE: Custom hollow metal doors should be included
in projects as a Contractor option to standard
hollow metal doors. The cost of these doors is
considered competitive with standard doors having
comparable quality of construction.
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Provide custom hollow metal doors where nonstandard steel doors are
indicated. At the Contractor's option, custom hollow metal doors may be
provided in lieu of standard steel doors. Door size(s), design, materials,
construction, gages, and finish shall be as specified for standard steel
doors and shall comply with the requirement of NAAMM HMMA HMM. Fill all
spaces in doors with insulation. Close top and bottom edges with steel
channels not lighter than 1.5 mm thick 16 gage. [Close tops of exterior
doors flush with an additional channel and seal to prevent water
intrusion.] Prepare doors to receive hardware specified in Section 08710
DOOR HARDWARE. [Undercut doors where indicated.] Doors shall be 44.5 mm 1
3/4 inches thick, unless otherwise indicated.
2.3
INSULATED STEEL DOOR SYSTEMS
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NOTE: Insulated steel doors and frames are
recommended for entrances to dwelling units. They
may also be specified as a Contractor's option to
Level 1 standard hollow metal doors. Edit or delete
the paragraph to suit the project.
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SECTION 08110
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