key control symbol and "U.S. property - Do not duplicate."
Do not place
room number on keys.
[Furnish seven change keys for each interchangeable core, furnish two
control keys, six maters keys, and six construction master keys. [Furnish
a quantity of key blanks equal to 20 percent of the total number of change
keys.] Stamp each key with appropriate key control symbol and "U.S.
property - Do not duplicate." Do not place room numbers on keys.]
2.3.11
Door Bolts
**************************************************************************
NOTE: Use chain and foot bolts for exceptionally
high doors and where use of flush bolts is
impracticable.
**************************************************************************
BHMA A156.16. Provide dustproof strikes for bottom bolts, except for doors
having metal thresholds. Automatic latching flush bolts: BHMA A156.3, Type
25.
2.3.12
Closers
**************************************************************************
NOTE: Use closers Type C02011 with o.f. PT 4C for
surface applications, except use parallel arm
closers, C02021, on outswinging exterior doors.
Specify holder arms, C02051 and C02061, where doors
must be held open from 90 degrees to 135 degrees, or
to 180 degrees where desired. Do not use holder
arms for fire-rated doors. Use overhead concealed
closers on main entrance doors of monumental
buildings, double-acting doors, and for other
openings where concealment is necessary. Avoid
overhead concealed closers with wood doors. Where
they can not be avoided, modify section on wood
doors to require a 125 mm 5 inch headrail.
Avoid
use of floor-concealed closers, but where required,
ascertain that floor slab design will not interfere
with closer case.
**************************************************************************
BHMA A156.4, Series C02000, Grade 1, with PT 4C. Provide with brackets,
arms, mounting devices, fasteners, [full size covers, except at storefront
mounting,] [pivots,] [cement cases,] and other features necessary for the
particular application. Size closers in accordance with manufacturer's
recommendations, or provide multi-size closers, Sizes 1 through 6, and list
sizes in the Hardware Schedule. Provide manufacturer's 10 year warranty.
2.3.12.1
Identification Marking
Engrave each closer with manufacturer's name or trademark, date of
manufacture, and manufacturer's size designation located to be visible
after installation.
2.3.13
Overhead Holders
**************************************************************************
NOTE: Use overhead holders for doors which will not
SECTION 08710
Page 15
Previous Page
