HomeMy WebLinkAbout175 - 01/06/1981 - AMENDING CERTAIN SECTIONS OF THE UNIFORM BUILDING CODE, 1979 EDITION ORDINANCE NO 175 , 1980
OF THE COUNCIL OF THE LIP—OF FORT COLLINS
BEING AN ORDINANCE AMENDING CERTAIN SECTIONS
OF THE UNIFOPM BUILDING, CODE, 1979 EDITION
BE IT ORDAINED BY THE COUNCIL OF THE CITY OF FORT COLLINS as folloGNs
Section 1 That Section 1205(a) of the Uniform Building Code 1979
Edition is amended by adaing an exception after the fourth paragraph to
read as follows
EXCEPTION Light and ventilation for an interior room
may be supplied from an adjoining exterior
room provided the following conditions are
met
(1) The common wall is provided with
openable interior openings with an
aggregate area of not less than
one-twentieth of the floor area of the
interior room
(2) The adjoining exterior room has
openable exterior openings for light
and ventilation as requirea in this
section, plus additional such openings
not less in area than twice the amount
required for the interior room
Section 2 That Table No 29A of the Uniform Building Code 1979
Edition is amended to read as follows
TABLE NO 29A
FOUNDATION! FOR STUD BEARING WALLS - MINIMUM REQUIREMENTS
DEPTH OF
THICKNESS OF FOUNDATION
FOUNDATION WALL BELOW NATURAL
(INCHES) HEIGHT OF SURFACE OF
UNIT FOUNDATION WIDTH OF THICKNESS GROUND AND
NUMBER OF1 MASONRY WALL FOOTING OF FOOTING FINISH GRADE
STORIES CONCRETE (NOMINAL) (IN FEET) ( INCHES) ( INCHES) ( INCHES)
1 5-1/2 6 2 3 or less 5 16 8 30
7-1/2 8 2 3-9 4 5
2 Same as Same as Same as 20 10 30
Required Required Required
for 1 for 1 for 1
Story Story Story
3 9-1/2 10 Same as 24 12 30
Required
for 1
Story
1 For the purpose of Table No 29A only, one (1) story means one (1) roof
load plus one (1) floor load, two (2) stories means one (1) roof load
plus two (2) floor loads, and three (3) stories means one (1) roof load
plus three (3) floor loads
2 The minimum reinforcement for masonry foundations shall be as follows
(a) Footing shall be reinforced with two #4 bars located not less than
three inches (3") from the bottom or sides of the footing
(b) Foundation walls shall be reinforced with #4 vertical bars spaced a
maximum of four feet (4' ) on center Vertical bars shall be bent so
as to form a minimum horizontal extension of six inches (6") and
shall be tied to a longitudinal bar
All cells containing the vertical reinforcement shall be filled
solidly with grout
(c) Horizontal reinforcement shall consist of approved wire reinforce-
ment with a minimum of 9 gauge side and cross runs Such rein-
forcement shall be laid continuously in alternate bed joints
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(d) The top course of foundation walls shall be a bond beam course
Bond beam courses for ► alls three feet (3' ) or less in height snalI
be reinfor ced with one #4 bar Bond beam courses for walls three
(3' ) to nine feet (9' ) in height shall be reinforced tiiith two #4
bars Vertical bars shall be tied to the bond beam longitudinal
bars
3 Concrete foundation walls three feet (31 ) or less in height shall be
reinforced with one (1) #4 bar located not less than th, ee inches (3")
nor more than six inches (6") from the top of the wall and one (1) #4 bar
located not less than three inches (3") nor more than sic incnes (6")
from the bottom of the wall The bars shall be centered within the width
of the wall
4 Concrete foundation walls three feet (3' ) to nine feet (9' ) in height
shall be reinforced with two #4 bars located not less than three inches
(3") nor more than six inches (6") from the top of the wall and two (2)
#4 bars located not less than three inches (3") nor more tnan six inches
(6") from the bottom of the wall The bars shall be placed not less than
one and one-half inches (1-112") from the vertical edges of the wall
5 Minimum reinforcing for normal conditions Walls subject to excessive
surciiar ge loads or lateral pressures created by unstable soil or ground
water conditions shall be designed with accepted engineering practices
Section 3 That the Appendix to Chapter 11 of the Uniform Building
Code 1979 Edition is amended by adding an exception at the end of Item 4 of
Section 1107 to read as follows
EXCEPTION Greenhouses and similar structures attached
to Group R occupancies for the purpose of
providing light and ventilation not exceed-
ing 15/ of the floor area of the dwelling
unit may be classified as Group R occupan-
cies
Section 4 That the Appendix to Chapter 32 of the Uniform Building
Code 1979 Edition is amended by adding to the last sentence of Section 3212
Item 1 , the following
"or other approved methods"
and by changing Item No 3 to read as follo� s
#3 Wood Shingle Application Wood shingles shall not
be applied over existing wood sningles "
and by changing Item 5 to read as follows
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5 Rusted, danagPd or inadequate flashing, vent caps
and metal edgings shall be replaced with nerr
mates ials as necessary and as approved by the
Building Official "
Introduced, considered favorably on first reading and o dered pub-
lished this 16th day of December 198 d to be present for final
passage on the Ith day o January 81
Mayor
�ATTEST
City Clerk
1981 Passed and adopted on final reading thi 6th day of January ,
r/ NATTEST
City Clerk
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