Chapter 15.28
BUILDING SECURITY PROVISIONS
Sections:
15.28.020 Application and scope.
15.28.040 Alternate materials and methods of construction.
15.28.050 Residential building provisions.
15.28.060 Commercial/industrial provisions.
15.28.010 Intent.
The purpose of this chapter is to set forth minimum standards of construction for resistance to unlawful entry. [Ord. 925 § 1, 1991].
15.28.020 Application and scope.
The provisions of this security chapter shall apply for all new residential, commercial, and industrial buildings. All applicable State and local fire codes must be adhered to and no portion of this chapter shall supersede any local, State or Federal laws, regulations or codes. [Ord. 925 § 1, 1991].
15.28.030 Definitions.
The following terms used in this chapter shall have the meanings indicated below:
“Approved” means certified as meeting the requirements of this chapter by the enforcing authority or his authorized agents, or by other officials designated by the enforcing authority to give approval on a particular matter dealt with by the provisions of this division with regard to a given material, mode of construction, piece of equipment or device.
“Auxiliary locking device” means a secondary locking system added to the primary locking system to provide additional security.
“Bolt” means a metal bar which, when actuated, is projected (or “thrown”) either horizontally or vertically into a retaining member, such as a strike plate, to prevent a door from moving or opening.
“Bolt projection” (or “bolt throw”) means the distance from the edge of the door, at the bolt centerline, to the farthest point on the bolt in the projected position, when subjected to end pressure.
“Burglary-resistant glazing” means those materials as defined in Underwriters Laboratories Bulletin 972.
“Commercial or industrial building” means a building, or portion thereof, used for a purpose other than dwelling.
“Component,” as distinguished from a part, means a subassembly which combines with other components to make up a total door or window assembly. For example, the primary components of a door assembly include: door, lock, hinges, jamb/wall, jamb/strike and wall.
“Cylinder” means the subassembly of a lock containing the cylinder core, tumbler mechanism and the keyway. A double cylinder lock is one which has a key-actuated cylinder on both the exterior and interior of the door.
“Cylinder core” or “cylinder plug” means the central part of a cylinder containing the keyway, which is rotated by the key to operate the lock mechanism.
“Cylinder guard” means a hardened ring or plate surrounding the otherwise exposed portion of a cylinder lock to resist cutting, drilling, prying, pulling, or wrenching with common tools.
“Deadbolt” means a lock bolt which does not have a spring action as opposed to a latch bolt, which does. The bolt must be actuated by a key and/or a knob or thumb-turn and when projected becomes locked against return by end pressure.
“Dead latch” means a spring-actuated latch bolt having a beveled end and incorporating a plunger which, when depressed, automatically locks the projected latch bolt against return by end pressure.
“Door assembly” means a unit composed of a group of parts or components which make up a closure for a passageway through a wall. For the purposes of this chapter, a door assembly consists of the following parts: doors, hinges, locking device or devices; operation contracts (such as handles, knobs, push plates); miscellaneous hardware and closures; the frame, including the head, threshold, and jambs plus the anchorage devices to the surrounding wall and a portion of the surrounding wall extending 36 inches from each side of the jambs and 16 inches above the head.
“Door stops” mean the projections along the top and sides of a door jamb which check the door’s swinging action.
“Double cylinder deadbolt” means a deadbolt which can be activated only by a key from either the interior or exterior of the building.
“Dwelling” means a building or portion thereof designated exclusively for residential occupancy, including single-family and multiple-family dwellings.
“Enforcing authority” means the Director of Community Development or his authorized representatives.
“Flushbolt” means a normal manual, key, turn operated or automatic releasing metal throwbolt, normally used on inactive door(s) that is attached to the top and bottom of the door and engages in the head and threshold of the frame.
“Fully tempered glass” means those materials meeting or exceeding ANSI Standard 297.1 – Safety Glazing.
“Inactive leaf or door” means either leaf or door of a pair of doors which has no surface-mounted hardware and which receives and holds the latch or bolt of the primary locking system.
“Jamb” means the vertical members of a door frame to which the door is secured.
“Jamb/strike” means that component of a door assembly which receives and holds secure the extended lock bolt; the strike and jamb used together are considered a unit.
“Jamb/wall” means that component of a door assembly to which a door is attached and secured; the wall and jamb used together are considered a unit.
“Key-in-knob” means a lockset having the key cylinder and other lock mechanisms contained in the knob.
“Latch” or “latch bolt” means a beveled, spring-actuated bolt, which may or may not have a deadlocking device.
“Lock” or “lockset” means a keyed device (complete with cylinder, latch or deadbolt mechanism, and trim such as knobs, levers, thumb-turns, escutcheons, etc.) for securing a door in a closed position against forced entry.
“Locked indicator” means a device indicating whether the lockset (deadbolt, etc.) is locked or open.
“Locking device” means a part of a window or sliding door assembly which is intended to prevent movement of the movable sash or door.
“Minimum maintained” means measurable light level at furthest point from lighting source at ground level.
“Multiple-family dwelling” means a building or portion thereof designed for occupancy by one or more persons living independently of each other, including hotels, motels, apartments, duplexes, townhouses, and condominiums.
“Panic hardware” means a latching device on a door assembly for use when emergency egress is required due to a fire or other threat to life safety. Such devices are designed so that they will facilitate the safe egress of people in case of emergency when a pressure not to exceed 15 pounds is applied to the releasing device in the direction of exit travel. Such releasing devices are bars or panels extending not less than two-thirds of the width of the door and placed at heights suitable for the service required, not less than 30 inches nor more than 44 inches above the floor.
“Part,” as distinguished from component, means a unit (or subassembly) which combines with other units to make up a component.
“Primary locking device” means the single locking system on a door or window unit whose function is to prevent unauthorized intrusion.
“Private dwelling or single-family dwelling” means a building designed exclusively for occupancy by one family.
“Rail” means the horizontal members of a sash frame. A meeting rail is one which mates with a rail of another sash or framing member of the window frame when the sash is in the closed position.
“Sash” means an assembly of stiles, rails, and, sometimes, muntins assembled into a single frame which supports the glazing material. A fixed sash is one which is not intended to be opened. A movable sash is intended to be opened.
“Sill” means the lowest horizontal member of a window frame.
“Single cylinder deadbolt” means a deadbolt lock which is activated from the exterior by a key and from the interior by a knob, thumb-turn, lever or similar mechanism.
“Solid core door” means a door composed of solid wood or compressed wood equal in strength to solid wood construction.
“Stile” means a vertical framing member of a window or door. A meeting stile is one which mates with a stile of another sash, or vertical framing member of a door or window frame when the sash is in the closed position.
“Strike” means a metal plate attached to or mortised into a door jamb to receive and to hold a projected latch bolt and/or deadbolt in order to secure the door to the jamb.
“Swinging door” means a door hinged at the stile or at the head and threshold.
“U.L. listed” means tested and listed by Underwriters Laboratories, Inc.
“Vandal-resistant cover” means a protective cover constructed of either acrylic, polycarbonate or wire mesh which totally encloses the light source. The wire mesh must have a maximum one-fourth-inch thickness. The purpose of the cover is to discourage the willful destruction of the light source.
“Visibility corridor” means an opening of at least a 10-inch square and shall be located a minimum of 36 inches and not to exceed 50 inches above ground level.
“Window assembly” means a unit composed of a group of parts or components which make up a closure for an opening in a wall or roof (including the anchorage) to control light, air, and other elements.
“Window frame” means that part of a window which surrounds and supports the sashes and is attached to the surrounding wall. The members include job jambs (vertical), head jambs (upper, horizontal), sills and mullions. [Ord. 925 § 1, 1991].
15.28.040 Alternate materials and methods of construction.
The provisions of this chapter are not intended to prevent the use of any device or method of construction not specifically prescribed by this code when such alternate provides equivalent security. [Ord. 925 § 1, 1991].
15.28.050 Residential building provisions.
The following special provisions shall apply to all residential projects:
A. All exterior swinging doors shall be of solid core construction with a minimum thickness of one and three-fourths inches, or with panels not less than nine-sixteenths-inch thick. If hollow metal doors are used they shall be constructed of a minimum equivalent to 16 U.S. gauge steel and have sufficient reinforcement to maintain the designed thickness of the door when any locking device is installed.
B. Any swinging door leading from a garage into a residence shall be of solid core construction with a minimum thickness of one and three-eighths inches.
C. The above-described doors shall be equipped with a single cylinder deadbolt having a minimum projection of one inch and an embedment of at least three-fourths inch into the strike receiving the bolt. The bolt shall be constructed so as to resist cutting tool attacks.
D. The inactive leaf of double doors shall be equipped with metal flushbolts having a minimum embedment of five-eighths inch into the head and threshold of the door frame.
E. Glazing in exterior doors or within 40 inches of a door locking mechanism shall be of fully tempered glass or rated burglary-resistant glazing.
F. Nonremovable pins shall be used in pin type hinges which are accessible from the outside when the door is closed, also includes interior garage doors.
G. Door stops on wooden jambs for in-swinging doors shall be of one piece construction with the jamb.
H. Strikeplates shall be constructed of minimum 16 U.S. gauge steel, bronze or brass a minimum of three and one-half inches in length and secured to the jamb with screws a minimum of two and one-half inches in length.
I. All front exterior doors shall be equipped with a wide-angle 180-degree door viewer, except where clear vision panels are installed.
J. The following provisions for address markings shall apply to residential dwellings:
1. All residential structures shall display a street number in a prominent position so that it shall be easily visible from the street. The numbers shall be four inches in height, of a color contrasting to the background and located so they may be clearly seen and read. If the structure has rear vehicle access, numbers shall be placed there as well.
2. In multiple-family dwelling complexes, any building having a separate identifying factor other than the street number shall be clearly identified in the manner described in subsection (J)(1) of this section. Each individual unit of residence shall have a unit identifying number, letter or combination thereof displayed upon the door.
3. Buildings shall be numbered with the approval of the enforcing authority.
4. This section shall not prevent supplementary numbering such as reflective numbers on street curbs or decorative numbering but this shall be considered supplemental only and shall not satisfy the requirements of this section.
K. All exterior doors shall be equipped with a lighting device which shall provide a minimum maintained one foot-candle of light at ground level during hours of darkness.
L. Aisles, passageways and recesses related to and within multiple-family dwelling complexes shall be equipped with lighting devices which shall provide a minimum maintained one foot-candle of light at ground level during hours of darkness. Lighting devices shall be protected by vandal-resistant covers.
M. All parking lots, carports, garages and parking structures of multiple-family dwelling complexes shall be equipped with lighting devices which will provide a minimum maintained one foot-candle of light on the parking surface during hours of darkness. Subterranean parking lots shall maintain lighting 24 hours a day. Lighting devices shall be protected by vandal-resistant covers.
N. All exterior required lighting devices shall be placed at a height which will fully illuminate an average adult.
O. In multiple-family dwelling complexes where a common laundry is supplied, the laundry room’s access door shall be equipped with a window, self-closure device and self-locking door lock which can be manually disengaged on the interior. Lighting shall be maintained inside the laundry room during hours of darkness.
P. Whenever a mail slot is located within 40 inches of the primary locking device on any exterior door, it shall be covered by an interior hood which will discourage manipulation of the primary locking device. [Ord. 925 § 1, 1991].
15.28.060 Commercial/industrial provisions.
The following special shall apply to all commercial/industrial projects:
A. All exterior swinging doors shall be of solid core construction with a minimum thickness of one and three-fourths inches, or with panels not less than nine-sixteenths-inch thick. If hollow metal doors are used they shall be constructed of a minimum equivalent to 16 U.S. gauge steel and have sufficient reinforcement to maintain the designed thickness of the door when any locking device is installed.
B. The above-described doors shall be equipped with a single cylinder deadbolt having a minimum projection of one inch and an embedment of at least three-fourths inch into the strike receiving the bolt. The bolt shall be constructed so as to resist cutting tool attacks.
C. The inactive leaf of double doors shall be equipped with metal flushbolts having a minimum embedment of five-eighths inch into the head and threshold of the door frame.
D. Glazing in exterior doors or within 40 inches of a door locking mechanism shall be of fully tempered glass or rated burglary resistance glazing.
E. Nonremovable pins shall be used in pin type hinges which are accessible from the outside when the door is closed.
F. Door stops on wooden jambs for in-swinging doors shall be of one piece construction with the jamb.
G. Strikeplates shall be constructed of minimum 16 U.S. gauge steel, bronze or brass a minimum of three and one-half inches in length and secured to the jamb with screws a minimum of two and one-half inches in length.
H. All exterior doors shall be equipped with a lighting device which shall provide a minimum maintained one foot-candle of light at ground level during hours of darkness.
I. All exterior required lighting devices shall be placed at a height which will fully illuminate an average adult.
J. All parking lots, carports, garages and parking structures shall be equipped with lighting devices which will provide a minimum maintained one foot-candle of light on the parking surface during hours of darkness. Subterranean parking lots shall maintain lighting 24 hours a day. Lighting devices shall be protected by vandal-resistant covers.
K. Whenever a mail slot is located within 40 inches of the primary locking device on any exterior door, it shall be covered by an interior hood which will discourage manipulation of the primary locking device.
L. Ladders leading to the roof shall do so from the interior of the building.
M. Hatchways on the roof, if not of metal construction, shall be covered on the inside with 16 U.S. gauge sheet metal, or its equivalent. Hatchways shall be secured from the inside with a slide bar or slide bolt. Outside hinges shall be equipped with nonremovable hinge pins.
N. All skylights on the roof of any building shall be provided with:
1. Rated burglary-resistant glazing; or
2. Iron or steel bars at least one-half-inch round, material spaced not more than five inches apart; or
3. Steel or iron grill of at least one-eighth-inch metal with a maximum two-inch mesh mounted inside the skylight and secured by bolts which are nonremovable from the exterior.
4. These requirements do not apply on any structure with a height of 35 feet or more where there is no readily available roof access as determined by the enforcing authority.
O. The following standards for lighting and address markings shall apply to commercial buildings:
1. The address number of every commercial building shall be located and displayed so that it shall be easily visible from the street. The numerals in the numbers shall be no less than six inches in height and be of a color contrasting to the background. In addition, any business which affords vehicular access to the rear through any driveway, alleyway or parking lot shall also display the same numbers on the rear of the building.
2. All exterior doors shall be equipped with a lighting device which shall provide a minimum maintained one foot-candle of light at ground level during hours of darkness.
3. All parking lots, and access thereto used by the general public, shall be provided with a minimum maintained one foot-candle of light on the parking surface from dusk until the termination of business every operating day. At all other hours of darkness, a minimum maintained one-fourth foot-candle of light shall be provided at ground level. [Ord. 925 § 1, 1991].
15.28.070 Tests.
The methods for testing doors and locking hardware on such doors and also window assemblies are per the Uniform Building Code Standard Nos. 41-1 and 41-2 and are adopted by reference. [Ord. 925 § 1, 1991].