ARTICLE IV


NOISE AND SOUND


SEC.

14-035.00 Investigating and Enforcing Noise Violations


It is hereby declared that at certain levels, sounds may be detrimental to the health, safety and well-being of the citizenry. Therefore, St. Tammany Parish prohibits sounds that constitute a nuisance, as defined in Section 14-001.00(d) and (e), and illustrated in Section 14-002.00(e) and (f). In the investigation and enforcement of the provisions relating to sound, consideration shall be given to the time, place and manner or nature of the sound complained of ( i.e. - emergency work, impulsive sound or amplification). Additionally, to aid the enforcing agency in determining if the particular sound constitutes a nuisance as defined in Section 14- 001.00(d) and (e), and illustrated in Section 14-002.00(e) and (f), the following definitions and decibel levels are established.

SEC.

14-136.00 Definitions


    (A)    Decibels: Decibel shall mean a unit of level when the base of the logarithm is the tenth root of ten and the quantities concerned are proportional to power.

    (B)    Emergency Work: Emergency work shall mean work made necessary to restore property to a safe condition following a public calamity or work required to protect persons or property from an imminent exposure to danger or work by private or public utilities when restoring utility service.

    (C)    Impulsive Sound: Impulsive sound shall mean a sound of short duration. Usually less than one second, with an abrupt onset and rapid decay. Examples of sources of impulsive sound include but not limited to explosions, drop forge impacts, and the discharge of firearms.

    (D)    Sound: Sound shall mean an oscillation in pressure, particle displacement, particle velocity or other physical parameter, in a medium with internal forces that causes compression and rarefaction of that medium. The description of sound may include any characteristic of such sound, including duration, intensity and frequency.

    (E)    Sound Level: Sound level, in decibels (dB), is the sound measured with the (A) weighting and slow response by a sound level meter.

    (F)    Weekend: Weekend shall mean Friday, Saturday and Sunday, and include holidays as established by the Parish.

    (G)    Weekday: Weekday shall mean any day Monday through Thursday.

(Ord. 04-0943, adopted 08/05/2004)


SEC.

14-137.00 Readings of dB(A) by Zoning District


    An increase of 10 dB(a) is allowed for impulsive sounds.

    To determine the sound level, three readings will be taken at the complainant's dwelling or structure and the mean of these readings will determine the actual decibel count.

(A)    A1, A-2, A-3, A-4, A-5, A-6, PUD, RC, and MH

Maximum dB(A)

    Daytime -        7 a.m. to 9 p.m. weekdays.
                8 a.m. to 10 p.m. weekends.
    65

    Nighttime -        9 p.m. to 7 a.m. weekdays.
                10 p.m. to 8 a.m. weekends.

60

(B) C-2. C-3. and ID

    Daytime -        7 a.m. to 11 p.m. entire week.

    70

    Nighttime -        11 p.m. to 7 a.m. entire week.
    60

(C) M-1, M-2. and M-3

    Daytime -        7 a.m. to 11 p.m. entire week.

75

    Nighttime -        11 p.m. to 7 a.m. entire week.
    65

(D) LC. C-l. R. and SA

    Daytime -        7 a.m. to 11 p.m. entire week.

    70

    Nighttime -        11 p.m. to 7 a.m. entire week.    
60

(Ord. 04-0943, adopted 08/05/2004)

SEC.

14-138.00 Special Notes And General Statements


    (A) Special events permitted by the Parish shall be exempt from the Sound Control Ordinance.

    (B) Emergency Work or sounds from an emergency vehicle shall be exempt from this Sound Control Ordinance.

    (C) Construction activity and general maintenance shall be exempt from daytime decibel restrictions but the maximum nighttime sound levels shall apply in all instances.

(Ord. No. 93-1841, adopted 10/21/93; amended by Ord. 04-0943, adopted 08/05/2004)

SECTIONS 14-139.00 - 14-200.00 Reserved



ST. TAMMANY PARISH
CODE OF ORDINANCES