HomeMy WebLinkAboutOrd 2289 03/02/1971
ORDINANCE NO. 2289
AN ORDINANCE AMENDING PORTIONS OF THE MOUNT PROSPECT BUILDING CODE
BE IT ORDAINED BY THE PRESIDENT AND BOARD OF TRUSTEES OF THE VIILAGE
OF MOUNT PROSPECT, COOK COUNTY, ILLINOIS:
SECTION ONE: That paragraph 2 of subsection (a) of Section 21.103 of
Chapter 21 (The Building Code) of the Municipal Code of Mount Prospect
of 1957, as amended, be and the san:e is hereby further curended to pro-
vide for the installation of factory-built refractory lined, Under-
writers Laboratory approved chimneys in certain construction; so that
hereafter the said paragraph 2 in subsection (a) of Section 21.103
shall hereafter be am read as follows:
"2. The following exceptions to the 1970 edition of the BOCA
BASIC BUILDING CODE and amendments thereto shall contrOl
where applicable or where in conflict with the said BOCA
CODE.
(a) Deletions: Section 128.0 of Article 1; and the entire
Articles 10, except for Section 1007 therein; 11; 14;
15; 16; 17; and 18 of the BOCA BASIC BUILDING CODE as
adopted in this Section are hereby \delet'ed' from this
Chapter 21 of the Municipal Code of the Village of
Mount Prospect.
(b) Changes:
(1) Table 6 is amended and revised in part as foll~lS:
Heigpts
The height limits for the respective types of construction
and occupancy groups are hereby changed as indicated below:
Type of Construction Occupancy Group Height
.
IB B-1, B-2, C, D, F-I-B, F-3, 85 feet
F-4, and H-2
2 A B-2, E, L-l, and L-2 75 feet
2 C B-2, E, L-l, L-2, and L-3 35 feet
3 B B-2, E, L-l, L-2, and L-3 45 feet
4 A B-2, E, L-l, L-2, and L-3 35 feet
Areas
The area limits for the respective types of construction
and occupancy groups shall conform with those indicated 'belo't'l
under column (1) and Section 307.3 is revised so that the area
limits for the respective types of construction and occupancy
groups are as indicated in colunn (2):
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AREA LIMITS
Column (1) Column (2)
Occupancy One-Story Buildings -
Group Buildings Two stories & 0 e
B-1, B-2, C, D, E, F-I-B,
F-3, F-4, L-l, L-2, and L-3 18,000 12,000
B-2, E, and F-4 18,000 12,000
B-2, C, D, E, F-4, L-l,
L-2, and L-3 9,000 6,000
B-1, B-2, C, D, E, F-I-B,
F-4, L-l, L-2, and L-3 12,000 8,000
B-1, B-2, C, D, E, F-I-B,
F-3, F-4, B-2, L-l, L-2,
and L- 3 9,000 6,000
B-2, C, D, E, F-4, L-l,
L-2, and L-3 9,000 6,000
B-1, B-2, C, D, E, F-I-B,
F-3, F-4, B-2, L-l, L-2,
and L- 3 6,000 4,000
B-2, E, and F-4 6,000 4,000
'!Ype of
Construction
2iA
2 B
2 C
3 A
3 B
3 C
4 A
4dB
Note (c) of Table 6 and Section 309.0 are revised to permit
mlimited areas only for buildings of non-coJl1bustible types of
construction or of heavy timber construction in which all wood
members are of approved fire retardant treated lumber in either
case having a permanent accessible open space of 80 feet between
the wall of the building under construction and any other
building on the scure lot or the nearest line to i'lhich a building
is or may legally be built on another lot, with the further pro-
vision that the 80 feet of open space may be reduced to not less
than 30 feet on one side if the building wall facing that side
is built as a nre wall and otherwise conforms with requirerr:ents
of subsection 401.3d (3) of the National Building Code, 1967
Edition.
(11) PRarECTION TO EXTERIOR WALL OPENINGS
The first paragraph of Section 916.0 shall be
changed by deleting the words "more than three (3)
stories or forty (40) feet in height."
(111) PRarECTION TO COMMUNICATIONS THROUGH FIRE WALLS
Sections 908.3 and 908.4 are revised so as to require
a three (3) hour automatic or self-closing fire door
approved for Class A openings on each side of every
opening in a fire wall.
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(lV) THICKNESS AND FIRE RESISTANCE OF EXTERIOR AND
FIRE WALLS
The title of Section 867.0 is hereby revised by
deleting the word "Solid."
New paragraphs, identical to Section 913.7 (b) and
(c) of the National Building Code, 1967 Edition, are
hereby added to Section 867.0.
Sections 907.0 through 907.4 are hereby revised to
be identical to Sections 800.1 to 800.6 of the
National Building Code, 1967 Edition.
In Table 5, Item 3, Fire Walls, the specified fire
resistance ratings are omited and a note reading
as follows is inserted: "Fire walls shall be
constructed as specified in Section 907.0."
(V) CHIMNEY, VENTS, HEAT PRODUCING APPLIANCES, B."lJ:lC.
The Code for the installation of heat producing
appliances, heating, ventilation, air conditioning,
blower and exhaust systems, recomnended by the
American Insurance Association, including appendices
is hereby adopted to replace Articles 10 and 11;
except that Section 1007 shall be amended to read
as follows:
'Factory-built chimneys shall be allowed in two (2)
or more- story commercial, industrial, and multi-
family residential buildings -- provided such
factory-built Chimney shall be refractory-lined
and shall have been currently listed by the
Underwriter's Laboratories and then such factory-
built chirmeys shall be installed in accordance
with the conditions of the listing and the
manufacturer's instructions.'
(VI) FIRE LIMITS RESTRICTIONS
Section 304.0 is hereby revised to prohibit unpro-
tected non-combustible Type 2C and wood fran:e '!Ypes
4A and 4B construction within Fire District No.2,
except as provided in Section 400.6 of the National
Building Code.
(VII) ELEVATOR CONSTRUCTION
Article 16 is hereby revised to include provisions
for the construction of all passenger type elevator
equiprr:ent, all passenger elevator cabs and door
openings shall be of a size large enougtl to accept
a standard portable ambulance cot in its horizontal
position. "
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SECTION TWO: That subsection (e) of Section 21.204 of Chapter 21 (The
Building Code) of the Mtmicipal Code of Mount Prospect of 1957, as
amended, be and the san:e is hereby further anended by substituting the
word "may" for the \'lord "shall" in the last line of the first sentence,
so that hereafter the said subsection (e) of the said Section 21.204
shall hereafter be and read as follows:
n(e) Whenever an application for a permit to construct or alter
a building or structure wi thin the Village is made and the
Architectural Commission finds that the proposed building
or structure is of such value, deSign, material, or location
that it vlill result in a substantial irnpairrr:ent or destruc-
tion of value in neighboring real estate owned by the
inhabi tants of this Village and if it further finds that the
use of the particular design, material, or location proposed,
or substantially similar ones, is not reasonably essential
to the developrr:ent of the property proposed to be built or
altered, the Director of Building and Zoning may refuse to
issue the penni t. Any appeal from such decision shall be
made in accordance with Article XIII of this Chapter."
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SECTION THREE: That this ordinance shall be in full force and effect
from and after its passage, approval, and publication in the manner
provided by iaw.
AYES: 4
NAYS: 0
PASSED AND APPROVED this 2nd day of rvIarch, 1971.
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Village President
ATTEST:
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Village Clerk