96                                LAWS OF MARYLAND                        [CH. 46

provisions of this subtitle and of all regulations promulgated here-
under; shall be valid for a period not to exceed one year from date
of issue; shall be subject to suspension and/or revocation for cause
at the discretion of the Department; and shall be contingent upon
payment of an annual fee as follows:

(i) Type 1—Plants manufacturing Class A explosives......$500.00

(ii) Type 2—Plants manufacturing Class B and C, but not
Class A explosives ........................................................................$250.00

(iii) Type 3—Plants manufacturing only signal flares, sparklers
or other fireworks not classed as A, B, or C explosives............$100.00

(b) The [Department] State Fire Prevention Commission will
promulgate and enforce, through the office of the State Fire Marshal,
such regulations, consistent with this subtitle, as it may find neces-
sary or advisable to protect the safety of plant employees and the
general public, and to protect public property. The scope of such
regulations includes, but is not limited to the implementation of the
provisions of this subtitle relating to the location, construction, ar-
rangement and operation of fireworks plants.

[18B] 20. Same—Fence; location of buildings; application of sub-
title to existing plants.

(a)   All fireworks plants, except Type 3 plants as defined in
[Section 104A] Section 19 (a) (iii), shall be completely surrounded
by a substantial fence having a minimum height of six feet and sur-
mounted by not less than three strands of barbed wire. All buildings,
except office buildings in which no processing or storage is permitted,
must be located inside said fence. All openings in said fence shall
be fitted with suitable gates which shall be kept securely locked at all
times except when in actual use; except that the main gate of the
plant may be left open during the regular hours of plant operation
while in plain view of, and under observation by authorized respon-
sible employees or guards.

(b)    No fireworks plant shall be located so that any production
building, storage building or magazine therein is nearer than two
hundred (200) feet to any inhabited building, or nearer than one
hundred fifty (150) feet to any highway, or nearer than one thousand
(1,000) feet to any school, church, hospital or other place of public
assembly, or gasoline or fuel oil storage building or service station.

(c)    No production building shall be less than seventy-five (75)
feet from any other production building, or less than three hundred
(300) feet from any storage building devoted principally to the stor-
age of finished fireworks, except sparklers.

(d)   Fireworks plants existing or under construction prior to
January 1, 1965, shall conform to the requirements of this subtitle
before they may be licensed to operate.

[18C] 21. Same—Arrangement and equipment of buildings; heat-
ing, lighting, etc.

Buildings in fireworks plants shall be arranged and equipped as
follows:

(a) All production buildings, except press or similar buildings in
which only one person is permitted at one time, shall be provided with
at least two means of egress.