Sec. 7-243. - Special commercial building provisions.

(a)

Swinging exterior glass doors, wood or metal doors with glass panels, solid wood or metal doors shall be constructed or protected as follows:

(1)

Wood doors shall be of solid core construction with a minimum thickness of one and three-fourths (1¾) inches. Wood panel doors with panels less than one (1) inch thick shall be covered on the inside with a minimum sixteen (16) U.S. gauge sheet steel, or its equivalent, which is to be attached with screws on minimum six-inch centers. Hollow steel doors shall be a minimum sixteen (16) U.S. gauge and have sufficient reinforcement to maintain the designed thickness of the door when any locking device is installed, such reinforcement being able to restrict collapsing of the door around any locking device.

(2)

Except when double cylinder deadbolts are utilized, any glazing utilized within forty (40) inches of any door locking mechanism shall be constructed or protected as follows:

a.

Fully tempered glass or rated burglary-resistant glazing; or

b.

Iron or steel grills of at least one-eighth-inch material with a minimum two-inch mesh secured on the inside of the glazing may be utilized; or

c.

The glazing shall be covered with iron bars of at least one-half inch around or one (1) inch by one-fourthinch flat steel material spaced not more than five (5) inches apart, secured on the inside of the glazing.

Items b. and c. above shall not interfere with the operation of opening windows if such windows are required to be openable by the Uniform Building Code.

(b)

All swinging exterior wood and steel doors shall be equipped as follows:

(1)

A single or double door shall be equipped with a double or single cylinder deadbolt. The bolt shall have a minimum projection of one (1) inch and be constructed so as to repel cutting tool attack. The deadbolt shall have an embedment of at least three-fourths inch into the strike receiving the projected bolt. The cylinder shall have a cylinder guard, a minimum of five (5) pin tumblers, and shall be connected to the inner portion of the lock by connecting screws at least one-fourth inch in diameter. The provisions of the preceding paragraph do not apply where (1) panic hardware is required, or (2) equivalent device is approved by the enforcing authority.

(2)

Double doors shall be equipped as follows:

a.

The inactive leaf of double door(s) shall be equipped with metal flush bolts having a minimum embedment of five-eighths inch into the head and threshold of the door frame.

b.

Double doors shall have an astragal constructed of steel a minimum of .125 inch thick which will cover the opening between the doors. The astragal shall be a minimum of two (2) inches wide, and extend a minimum of one (1) inch beyond the edge of the door to which it is attached. The astragal shall be attached to the outside of the active door by means of welding or with nonremovable bolts spaced apart on not more than ten-inch centers.

(c)

Aluminum frame swinging doors shall be equipped as follows:

(1)

The jamb on all aluminum frame swinging doors shall be so constructed or protected to withstand one thousand six hundred (1,600) pounds of pressure in both a vertical distance of three (3) inches and a

horizontal distance of one (1) inch each side of the strike, so as to prevent violation of the strike.

(2)

A single or double door shall be equipped with a double cylinder deadbolt with a bolt projection exceeding one (1) inch, or a hookshaped or expanding dog bolt that engages the strike sufficiently to prevent spreading. The deadbolt lock shall have a minimum of five (5) pin tumblers and a cylinder guard.

(d)

Panic hardware, whenever required by the Uniform Building Code or title 19, California Administrative Code, shall be installed as follows:

(1)

Panic hardware shall contain a minimum of two (2) locking points on each door; or

(2)

On single doors, panic hardware may have one (1) locking point which is not to be located at either the top or bottom rails of the door frame. The door shall have an astragal constructed of steel .125 inch thick which shall be attached with nonremovable bolts to the outside of the door. The astragal shall extend a minimum of six (6) inches vertically above and below the latch of the panic hardware. The astragal shall be a minimum of two (2) inches wide and extend a minimum of one (1) inch beyond the edge of the door to which it is attached.

(3)

Double doors containing panic hardware shall have an astragal attached to the doors at their meeting point which will close the opening between them but not interfere with the operation of either door.

(e)

Horizontal sliding doors shall be equipped with a metal guide track at top and bottom and cylinder lock and/or padlock with hardened steel shackle which locks at both heel and toe, and a minimum five (5) pin tumbler operation with nonremovable key when in an unlocked position. The bottom track shall be so designated that the door cannot be lifted from the track when the door is in a locked position.

(f)

In office buildings (multiple occupancy), all entrance doors to individual office suites shall meet the construction and locking requirements for exterior doors.

(g)

Windows shall be deemed accessible if less than twelve (12) feet above ground. Accessible windows having a pane exceeding ninety-six (96) square inches in an area with the smallest dimension exceeding six (6) inches and not visible from a public or private thoroughfare shall be protected in the following manner:

(1)

Fully tempered glass or burglary-resistant glazing; or

(2)

The following window barriers may be used but shall be secured with nonremovable bolts:

a.

Inside or outside iron bars of at least one-half inch around or one by one-quarter inch flat steel material, spaced not more than five (5) inches apart and securely fastened; or

b.

Inside or outside iron or steel grills of at least one-eighth-inch material with not more than a two-inch mesh and securely fastened.

(3)

If a side or rear window is of the type that can be opened, it shall, where applicable, be secured on the inside with either a slide bar, bolt, crossbar, auxiliary locking device, and/or padlock with hardened steel shackle, a minimum four (4) pin tumbler operation.

(4)

The protective bars or grills shall not interfere with the operation of opening windows if such windows are required to be openable by the Uniform Building Code.

(h)

All exterior transoms exceeding ninety-six (96) square inches on the side and rear of any building or premises used for business purposes shall be protected by one of the following:

(1)

Fully tempered glass or rated burglary-resistant glazing; or

(2)

The following barriers may be used but shall be secured with nonremovable bolts;

Outside iron bars of at least one-half inch around or one by one-quarter inch flat steel material, spaced no more than five (5) inches apart and securely fastened; or

(3)

The protective bars or grills shall not interfere with the operation of opening the transoms if such transoms are required to be openable by the Uniform Building Code or title 19, California Administrative Code.

(i)

Roof openings shall be equipped as follows:

(1)

All skylights on the roof of any building or premises used for business purposes shall be provided with:

a.

Rated burglary-resistant glazing; or

b.

Iron bars of at least one-half-inch round or one by one-fourth inch flat steel material under the skylight and securely fastened; or

c.

A steel grill of at least one-eighth-inch material with a minimum two-inch mesh under the skylight and securely fastened.

(2)

All hatchway openings on the roof of any building or premises used for business purposes shall be secured as follows:

a.

If the hatchway is of wooden material, it shall be covered on the inside with at least sixteen (16) U.S. gauge sheet metal, or its equivalent, attached with screws.

b.

The hatchway shall be secured from the inside with a slide bar or slide bolts.

c.

Outside hinges on all hatchway openings shall be provided with nonremovable pins when using pin-type hinges.

(3)

All air duct or air vent openings exceeding ninety-six (96) square inches on the roof or exterior walls of any building or premises used for business purposes shall be secured by covering the same with either of the following:

a.

Iron bars at least one-half-inch round or one by one-fourth inch flat steel material spaced no more than five (5) inches apart and securely fastened; or

b.

Iron or steel grills of at least one-eighth-inch material with a minimum two-inch mesh and securely fastened.

c.

If the barrier is on the outside, it shall be secured with bolts which are nonremovable from the exterior.

d.

The above (a. and b.) must not interfere with venting requirements creating a potentially hazardous condition to health and safety or conflict with the provisions of the Uniform Building Code or title 19, California Administrative Code.

(j)

Permanently affixed ladders leading to roofs shall be fully enclosed with sheet metal to a height of ten (10) feet. This covering shall be locked against the ladder with a case-hardened hasp, secured with nonremovable screws or bolts. Hinges on the cover will be provided with nonremovable pins when using pin-type hinges. If a padlock is used, it shall have a hardened steel shackle, locking at both heel and toe, and a minimum five (5) pin tumbler operation with nonremovable key when in an unlocked position.

(k)

A building located within eight (8) feet of utility poles or similar structure which can be used to gain access to the building's roof, windows or other openings shall have such access area barricaded or fenced with material to deter human climbing.

(l)

The following standards shall apply to lighting, address identification and parking areas:

(1)

The address number of every commercial building shall be illuminated during the hours of darkness so that it shall be easily visible from the main driveway or street. The numerals in these numbers, when placed on buildings walls or windows, shall be no less than eight (8) inches in height, or higher, if necessary, to provide required visibility, 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 commercial doors, during the hours of darkness, shall be illuminated with a minimum of one (1) footcandle of light. All exterior bulbs shall be protected by weather and vandalism resistant cover(s).

(3)

Open parking lots, and access thereto, providing more than ten (10) parking spaces and for use by the general public shall be provided with a maintained minimum of one (1) footcandle of light on the parking surface from dusk until the termination of business every operating day.

(Ord. No. 1538, § ;1, 3-8-82; Ord. No. 1981, § 2, 12-17-96)