ASTM F476-84(2002)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:F476–84(Reapproved2002)
Standard Test Methods for
Security of Swinging Door Assemblies
ThisstandardisissuedunderthefixeddesignationF476;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 3.3 component—as distinguished from a part, a subassem-
bly that combines with other components to make up a total
1.1 These test methods cover door assemblies of various
door assembly. The prime components of a door assembly
materials and types of construction for use in wall openings to
include: door, lock, hinges, jamb/wall, jamb/strike, and wall.
deter unwanted intruders.
3.4 cylinder—the cylindrical subassembly of a lock, con-
1.2 Door assemblies, covered by these test methods, also
taining the cylinder core, tumbler mechanism, and the keyway.
include individual components such as the hinge, lock, door,
A double-cylinder lock is one which has a key-actuated
jamb/strike, and jamb/wall.
cylinder on both the exterior and interior of the door.
1.3 These test methods are designed to measure the capa-
3.5 cylinder core (or cylinder plug)—the central part of a
bility of a swinging door assembly to restrain or delay and to
cylinder, containing the keyway, which is rotated by the key to
frustrate the commission of “break-in” crimes.
operate the lock mechanism.
1.4 These test methods apply primarily to typical entry door
3.6 deadbolt—a lock bolt that does not have a spring action
assemblies in single- and multi-family residential housing.
as opposed to a latch bolt that does. The bolt must be actuated
1.5 This standard does not purport to address all of the
by a key or a knob, or both, or thumb turn, and when projected
safety concerns, if any, associated with its use. It is the
becomes locked against return by end pressure.
responsibility of the user of this standard to establish appro-
3.7 dead latch (or dead locking latch bolt)—a spring-
priate safety and health practices and determine the applica-
actuated latch bolt having a beveled end and incorporating a
bility of regulatory limitations prior to use.
plunger which, when depressed, automatically locks the pro-
2. Referenced Documents
jected latch bolt against return by end pressure.
3.8 door assembly—a unit composed of a group of parts or
2.1 ASTM Standards:
components that make up a closure for a passageway through
F471 Terminology Relating to Combination Locks
a wall. For the purposes of these test methods, a door assembly
3. Terminology Definitions
consists of the following parts: door, hinges, locking device or
devices, operation contacts (such as handles, knobs, push
3.1 bolt—a metal bar which, when actuated, is projected (or
plates), miscellaneous hardware and closures, the frame, in-
thrown) either horizontally or vertically into a retaining mem-
cluding the head and jambs plus the anchorage devices to the
ber, such as a strike plate, to impede a door from moving or
surrounding wall, and a portion of the surrounding wall
opening.
extending900mm(36in.)fromeachsideofthejambsand400
3.2 bolt projection (or bolt throw)—the distance from the
mm (16 in.) above the head.
edge of the door, at the bolt center line, to the farthest point on
3.9 jamb—the vertical members of a door frame (such as,
the bolt in the projected position, when subjected to end
those fixed members to which the door is secured).
pressure.
3.10 jamb/strike—that component of a door assembly
which receives and holds securely the extended lock bolt. The
This method is under the jurisdiction of ASTM Committee F12 on Security
strike and jamb, used together, are considered a unit.
Systems and Equipment and is the direct responsibility of Subcommittee F12.50 on
3.11 jamb/wall—that component of a door assembly to
Locking Devices.
Current edition approved March 10, 2002. Published July 1984. Originally which a door is attached and secured. The wall and jamb, used
published as F476 – 76. Last previous edition F476 – 76. DOI: 10.1520/F0476-
together, are considered a unit.
84R02.
3.12 key-in-knob—a lockset having the key cylinder and
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
other lock mechanisms, such as a push or turn button,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on contained in the knobs.
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F476–84 (2002)
3.13 latch (or latch bolt)—a beveled, spring-actuated bolt, 5.1.3 Vertical Impactor—The vertical pendulum system
that may or may not have a dead locking device. shall employ a steel weight and be capable of delivering
3.14 lock (or lockset)—a keyed device (complete with vertical (downward) impacts of up to 100 J (74 ft·lbf) to a door
cylinder,latchordeadboltmechanism,andtrimsuchasknobs, knob installed in a door assembly.
levers, thumb turns, escutcheons, etc.) for securing a door in a 5.1.4 Torque Applicator—The portable torque applicator
closed position against forced entry. For the purposes of this shall be capable of delivering and measuring up to 160 N·m
standard, a lock does not include the strike plate. (118 lbf·ft) of torque to both door knobs and lock cylinders.
3.15 lock front—the outer plate through which the locking The torque loading adapters shall be designed to grip the knobs
bolt projects and which is usually flush with the edge of the and cylinders.
door. 5.1.5 Tension Loading Device—The tension loading device
3.16 part—as distinguished from component, a unit (or shall be capable of delivering and measuring tensile forces of
subassembly) that combines with other units to make up a up to 18 kN (4000 lbf).
component. 5.1.6 Compression Loading Device—The compression
3.17 strike—a metal plate attached to, or mortised into a loading device shall be capable of delivering and measuring
door jamb to receive and to hold a projected latch bolt or dead compressive forces of up to 900 N (200 lbf).
bolt, or both, in order to secure the door to the jamb. 5.1.7 Jamb Spreading Device—The jamb spreading device
3.18 swinging door—a stile (side)-hinged door. shall be capable of delivering to door jambs and measuring
3.19 Type A lock—a lock that uses a single bolt, or separate spreading forces of up to 22 kN (4950 lbf) with a means of
latch and lock bolts that are mechanically interconnected. measuring up to 13 mm ( ⁄2 in.) of increase in lock-front to
3.20 Type B lock—a lock in which the latch bolt is mechani- strike distance. The device shall have on each end either a load
cally independent from the lock bolt. bearing plate or pressure foot that provides a minimum contact
3.21 For definitions of other terms used in these test surface of 40 by 120 mm (1 ⁄2 by 5 in.).
methods, refer to Terminology F471. 5.1.8 Instrument Accuracy—The tension loading and jamb
spreading devices shall have a combined calibration and
4. Significance and Use
reading error no greater than 200 N (45 lbf). The compression
4.1 Crime statistics show that the majority of all burglary
loading device shall have a combined calibration and reading
attacks are on residential property. These test methods are,
error of no greater than 40 N (9 lbf). The torquemeter shall
therefore, designed to aid in identifying a level of physical
have a combined error no greater than 3.4N·m (2.5 lbf·ft).
restraint, by swinging door assemblies, that will help reduce
The impact energy of each pendulum system shall be con-
this large increment of crime.
trolled to within 61%.
4.2 These test methods are not intended to provide a
6. Construction and Size
measure of resistance for a door assembly subjected to attacks
6.1 The construction and size of the test door assemblies,
by skilled burglars on high pay-off targets. These attacks and
consistingofsingledoors,doorsinpairs,special-purposedoors
targets require higher level, more sophisticated resistance,
(such as Dutch doors), jambs and headers, and all hardware
which usually includes alarms, communication, and apprehen-
components shall be representative of the classification or
sion systems.
rating that is desired.
4.3 The wall assembly described in 7.3 is considered
6.2 The door assembly support fixture shall simulate the
suitable for the scope of these test methods. Wall construction
rigidity normally provided to a door assembly in a building by
that differs in dynamic response from that described in 6.3 may
the ceiling, floor and walls. Fig. 1 shows an acceptable fixture.
require testing in accordance with Section 11.
6.3 The test fixture for door, door jamb, hinge, lock, strike,
4.4 The primary purpose of this standard is to provide
and other components shall consist of a vertical wall section
detailed test methods. Acceptance criteria for performance
levels are considered a matter for authorities having jurisdic- constructedfrom2by4woodstuds,410mm(16in.)oncenter,
with a rough entry door opening, and shall be covered with
tion. Some potential guidelines may be found in Annex A1.
13-mm ( ⁄2-in.) exterior grade plywood sheathing on the
5. Apparatus 1
exterior and ⁄2-in. gypsum board on the interior. It shall be
5.1 Adetailed description of test equipment suitable for this constructed as shown in Fig. 2 and shall be secured to the wall
standard can be found in Appendix X1. In summary, the support fixture (at the sides and top) and to the laboratory floor.
equipment consists of the following: For tests of door, lock, strike, and hinge components, the
5.1.1 Door Ram—Thedoorramshallbeapendulumsystem fixture wall section shall also include a door jamb.
with a steel weight capable of delivering horizontal impacts of 6.4 The alternative test fixture for lockset components shall
up to 200 J (148 ft·lbf). The striking end of the weight shall be consist of a small door assembly, as shown in Figs. 3 and 4.
hemispherical and have a diameter of approximately 150 mm The frame shall be fabricated from steel angle and plate at least
(6 in.). 5mm( ⁄16 in.) thick. The test panel shall be 600 mm (24 in.)
5.1.2 Component Ram—The component ram shall be a square and 45 mm (1 ⁄4 in.) thick, made by bonding three
pendulum system with a steel weight capable of delivering pieces of plywood together or by cutting a section from a
horizontal impacts of up to 100 J (74 ft·lbf). The striking end 45-mm (1 ⁄4-in.) solid wood core door (such as, glued block
of the weight shall have an impact nose approximately 32 mm core construction NWMA IS-1). A50 by 50 by 3-mm (2 by 2
1 1
(1 ⁄4 in.) in diameter. by ⁄8-in.) steel angle shall be bolted to the hinge edge of the
F476–84 (2002)
NOTE 1—Vertical members are equivalent to, or better in bending than, W8 3 10 steel beam.
NOTE 2—Horizontal members are equivalent to, or better in bending than,a2by 8-ft wood plank.
NOTE 3—Diagonal members are equivalent to, or better than, 2 by 2 by ⁄4 in.-steel angle.
NOTE 4—Adequate floor anchorage of the entire wall support fixture is essential.
FIG. 1 Wall Support Fixture
door panel, and a removable steel strike plate shall be bolted to installation instructions and full-size templates for all items of
the frame at the lock position of the door panel. The alternate hardware shall be included.
lockset component test fixture shown in Figs. 3 and 4 may be
8. Mounting for Test
used in lieu of the lockset component test fixture shown. The
use of steel plates and expendable wood blocks as shown in the 8.1 Swinging doors shall be mounted so as to open away
from the working area, except when testing an out-swinging
drawing may be used on the full size test fixture as described
in 6.3 when testing lock and hinge components. door assembly.
8.2 Prepare doors and door jambs for the installation of
6.5 The test fixture for static bolt load tests (10.2) shall
consist of a vertical panel fabricated from wood attached to a locksets and hinges in conformance with the manufacturer’s
instructions. Follow the manufacturer’s instructions for fasten-
stable horizontal base, as shown in Fig. 5. The top edge of the
panel shall be parallel to the bottom surface of the base. The ing the jamb to the support fixture described in 6.2.
8.3 Install components such as test doors, door jambs,
panel shall be about 45 mm (1 ⁄4 in.) thick and the top edge
shall be prepared to permit the lock set which is being tested to hinges, and jamb/strikes in the component test fixture de-
scribed in 6.3. Except when testing hinges, hinge the door with
be mounted in the panel in accordance with the manufacturer’s
1 1
instructions. 1 ⁄2 pairs of 115-mm (4 ⁄2-in.) steel butt hinges, and fix it in the
closed-locked position (at the normal lock point) with a real or
7. Sampling
simulated latch bolt having sufficient strength and stiffness to
7.1 Specimens shall be representative and adequately iden- prevent it from failing during test. In the absence of other
tified for future reference. Complete manufacturer or fabricator construction specifications, make the clearances on the lock
F476–84 (2002)
NOTE 1—All studs, plates and headers are 2-by-4s.
NOTE 2—Nail sole plate and lower member of top plate to each stud with 2—16d end nails.
NOTE 3—Nail upper member of top plate to the lower member with 16d nails, one nail near each stud and two near each end.
NOTE 4—Nail the double studs together with 16d nails not more than 610 mm (24 in.) on centers.
NOTE 5—Nail the header (two 2-by-4s) to each full length stud with 4—16d end nails.
NOTE 6—Nail ⁄2 in. plywood sheathing to plates and studs with 6d nails at 150 mm (6 in.) on centers around the perimeter and at 300 mm (12 in.)
on centers along intermediate supports.
NOTE 7—Nail ⁄2-in. gypsum drywall to all supports with threaded drywall nails at 200 mm (8 in.) on centers.
NOTE 8—Security blocking may be necessary to achieve successful jamb/wall stiffness test results. If blocking is used, it shall be reported in the test
report. The nature of the blocking shall be indicated.
FIG. 2 Door, Door Jamb, Hinge, and Lock Strike Component Fixture
1 1
side, hinge side, and top of the door 3.2 6 0.4 mm ( ⁄8 6 ⁄64 spacer, and hold it in that position with a piece of tape, or by
in.). Clearance at the threshold is not considered critical in another suitable means.
these tests.
10.2 Place the lock, in the test fixture, in a compression
8.4 To test locksets as
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