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ORDINANCE NO.1033 (1985 Series)
AN ORDINANCE OF THE CITY OF SAN LUIS OBISPO REPEALING
CHAPTER 15.04 OF THE MUNICIPAL CODE AND ADDING A NEW
CHAPTER 15.04 ADOPTING UNIFORM CODES AS CONSTRUCTION
REGULATIONS FOR THE CITY OF SAN LUIS OBISPO
BE IT ORDAINED by the Council of the City of San Luis Obispo as
follows:
SECTION 1. Chapter 15.04 of Title 15 of the San Luis Obispo
Municipal Code is hereby repealed.
SECTION 2. A new Chapter 15.04 as set forth herein, is hereby
adopted as part of Title 15, San Luis Obispo Municipal Code as the
Contruction Regulations of the City of San Luis Obispo.
SECTION 3. CHAPTER 15.04; (NEW)
SECTION 15.04.010 ADOPTION OF CODES.
Eight (8) documents, three (3) each of which are on file in the
Office of the City Clerk, identified by the Seal of the City of San Luis
Obispo, and entitled, "Uniform Administrative Code ", "Uniform Building
Code" and its appendix, "Uniform Building Code Standards ", "Uniform
Housing Code ", and "Uniform Code for the Abatement of Dangerous
Buildings ", all 1982 editions published by the International Conference
of Building Officials (ICBO); the "Uniform Plumbing Code" and its
appendix and the "Uniform Mechanical Code" and its appendix, 1982
editions, both published jointly by the International Association of
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Plumbing and Mechanical Officials (IAPMO) and ICBO; and the "National
Electric Code ", 1984 edition published by the National Fire Protection
Association (NFPA); all are hereby adopted as the Building and
Construction Regulations of the City of San Luis Obispo. The provisions
of such "Uniform Codes" are hereby referred to, adopted, and made a part
hereof as if fully set out in this Chapter except as modified
hereinafter.
SECTION 15.04.020 BUILDING OFFICIAL DESIGNATED.
The Chief Building Inspector is hereby designated as the Building
Official for the City of San Luis Obispo.
SECTION 15.04.030 CHANGES; UNIFORM ADMINISTRATIVE CODE
A. Chapter 1. Add a new Section 110, entitled "Alternate
Strength Values for Materials ".
Section 110. Alternate Strength Values for Materials.
Where strength values, published in the Uniform Codes and
their appendices, are modified by industry standards to
reflect technological advancements and /or test results, those
modified values shall be used if more restrictive, and may be
used if less restrictive.
B. Delete Subsection 301(b)1 -E: Add a new Subsection 301(b)1 -E
to read as follows:
E Retaining walls which are not over 2 feet in height measured
from the bottom of the footing to the top of
Pj
the wall, unless supporting a surcharge or impounding flammable
liquids.
C. Delete Subsection 303(d). Add a new Subsection 303(d) to read
as follows:
(d) Expiration. Every permit issued by the Building
Official under the provisions of this code shall expire
by limitation and become null and void if the building
or work authorized by such permit is not commenced
within 180 days from the date of such permit, or if the
building or work authorized by such permit is suspended
or abandoned at any time after the work is commenced for
a period of 180 days. Before such work can be
recc menced, a new permit shall be first obtained so to
do, and the fee therefor shall be one half the amount
required for a new permit for such work, provided no
changes have been made or will be made in the original
plans and specifications for such work; and provided
further that such suspension or abandonment has not
exceeded one year. It shall be permittee's
responsibility to demonstrate, by calling for inspection
or by any other means satisfactory to the Building
Official, during any 180 day time period that work has
not been suspended or abandoned. Failure by permittee
to make arrangements for such inspections shall result
in automatic expiration of the permit.
Any permittee holding an unexpired permit may apply for
an extension of the time within .which he may commence
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work under that permit when he is unable to commence
work within the time required by this section for good
and satisfactory reasons. The Building Official may
extend the time for action by the permittee for a period
not exceeding 180 days upon written request by the
permittee showing that circumstances beyond the control
of the permittee have prevented action from being
taken. No permit shall be extended more than once. In
order to renew action on a permit after expiration, the
permittee shall pay a new full permit fee.
D. Subsection 304(a). Delete the first paragraph of this
subsection and substitute the following:
The fee for each permit is found in Chapter 15.44 of the
San Luis Obispo Municipal Code.
E. Delete Subsection 304(b): Add a new subsection 304(b) to read
as follows:
When a plan or other data are required to be submitted
by Subsection (c) of Section 302, a plan review fee
shall be paid at the time of submitting plans,
specifications or other data for review. Said plan
review fee for buildings or structures shall be 65
percent of the building permit fee. Plan review fees
for specifications and other data submitted separate
from building or structure plans shall be at an hourly
rate for the time of review with a minimum charge of one
(1) hour.
F. Delete Tables 3 -A, 3 -B, 3-C, 3 -D, 3 -E and 3 -F
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SECTION 15.04.040 CHANGES; UNIFORM BUILDING CODE
A. Delete Chapters 1, 2 and 3 of the main text and Chapters 12, 32,
35, 53 and 70 of the appendix of the Uniform Building Code.
B. Change Subsection 2606(a) to add a factor #4 to read as follows:
4. Square, rectangular and /or flat form stakes shall not be
placed in footing trenches.
Co Delete Section 2623. Add new Section.2623 with subsections
a,b,c,d & e to read as follows:
(a) The minimum thickness of concrete floor slabs supported
directly on the ground shall be not less than 4 inches.
(b) Minimum reinforcing for slabs on grade shall be 3/8 inch
deformed bars at 24 inches on center each way or a
single layer of 6 x 6 - 6/6 WWM supported on chairs or
blocks spaced 24 inches on center each way. Slab
reinforcement shall extend to within 2 inches of the
exterior edge of slabs..
(c) Minimum reinforcing for masonry fireplace foundations
shall be 1/2 inch deformed bars spaced 12 inches on
center each way placed 3 inches from bottom of pads.
Vertical reinforcing for chimneys shall hook under the
foundation reinforcing bars.
(d) Tie bar reinforcing between slabs on grade and
foundation stem walls shall be 3/8" deformed bars at 24"
on center, placed in foundation walls and bent at least
24" into the slabs and tied to the slab reinforcing.
Exception: Floating slabs justified by an engineered
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design.
(e) Openings in slabs on grade for bathtub piping and traps,
planters or other similar uses shall be sealed with
concrete walls and bottom, 2" minimum thickness.
Exception: Plastic tub boxes may be used in lieu of
concrete if properly sealed around all edges and pipe
penetrations.
D. Delete Subsection 2905(d). Add new Subsection 2905(4) to read
as follows:
(d) Expansive Soils. When expansive soils are present,
the Building Official may require that special provisions
be made in the foundation design and construction to
safeguard against damage due to this expansiveness. He
may require a special investigation and report to provide
this design and construction criteria.
Moisture content for expansive soils shall be 1000 of
optimum to a depth of twenty -four (24) inches below slab
bottoms and shall be maintained until slabs are poured.
Soils under slabs shall be tested for moisture content and
slabs shall be poured within 24 hours of obtaining the
required moisture content. Soil density may be 85% after
premoistening for all soils with an expansion index
greater than 50. The area under raised floors need not be
premoistened.
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E. Delete Subsection 2905(f). Add new Subsection 2905(f) to read
as follows:
(f) Drainage. Provisions shall be made for the control
and drainage of. surface water around buildings.
All utility and /or other trenches, pipe chases, and
similar openings through foundations, shall be sealed
against water migration. Area wells for underfloor access
shall be installed with curbs extending 6 inches minimum
above the adjacent grade and drains in the bottom to
prevent surface and rainwater from entering under the
building.
Drainage water from improvements and land contour changes
shall not drain onto or across adjacent properties except
in recorded drainage easements or natural waterways.
F. Section 2905. Add a new Subsection (g) to Section 2905 to read
as follows:
(g) Disposal. All drainage facilities shall be designed to
carry waters to the nearest practicable drainage way
approved by the Building Official and /or other appropriate
jurisdiction as a safe place to deposit such waters.
Erosion of ground in the area of discharge shall be
prevented by installation of non - erosive downdrains or
other devices. Building pads shall have a minimum
drainage gradient of 2 percent toward approved drainage
facilities, unless waived by the Building Official.
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G. Delete Subsection 2907(d). Add a new Subsection 2907(d) to read
as follows:
(d) Footing Design. Except for special provisions of
Section 2909 covering the design of piles, all portions of
footings shall be designed in accordance with the
structural provisions of this code and shall be designed
to minimize differential settlement.
Isolated footings and piers, exterior of perimeter
foundation, shall be designed with depths a minimum of 24
inches below the lowest adjacent natural undisturbed
grade.
H. Delete Subsection 2907(e). Add a new Subsection 2907(e) to read
as follows:
(e) Foundation Plates or Sills. Foundation plates or
sills shall be bolted to the foundation or foundation wall
with not less than 1/2 -inch nominal diameter steel bolts
embedded at least 7 inches into the concrete or reinforced
masonry or 15 inches into unreinforced grouted masonry and
spaced not more than 6 feet apart. There shall be a
minimum of two bolts per piece with one bolt located
within 12 inches of each end of each piece. Foundation
plates and sills shall be the kind of wood specified in
Section 2516(c).
Anchor bolts, tiedown anchors, foundation straps, etc.,
shall be in place, held by templets or wire ties, prior to
pouring concrete stemwalls or slabs.
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I. Table 29 -A. Delete Table 29 -A and substitute a new Table 29 -A
as follows:
TABLE NO. 29-A (AMENDED)
FOUNDATIONS FOR STUD - BEARING WALLS —
MINIMUM REQUIREMENTS' z
NUMBER OF
FLOORS
SUPPORTED
BY THE
FOOTING AND STEMWALL SIZES
DEPTH BELOW GRADE
STEM
FOOTING
FOOTING
PERIMETER
INTERIOR
FO 3
FOUNDATION
THICKNESS
WIDTH
THICKNESS
FOOTINGS
FOOTINGS
1
6"
12"
6"
21"
12"
2
8"
12"
8"
24"
18"
3
10"
15"
8"
30"
24"
7• The ground under the floor may be excavated to the elevation of the top of the footing.
2 A 12" minimum width grade beam shall be provided for garage openings. Depth shall
be as specified in this table.
3 Foundations may support a roof in addition to the stipulated number of floors. Foundations supporting
roofs only shall be as required for supporting one floor. Slabs supported on grade need not be considered
a floor for purposes of footing depths and widths.
J. Subsection 3703(f). Change the second paragraph to read as
follows:
"All incinerator and fireplace chimneys shall terminate in
a substantially constructed .spark arrester having a mesh
not exceeding 1/2 inch."
K. Section 4409. Change Section 4409 to add a third paragraph to
read as follows:
"Dry rubble and debris shall be wetted down in such a
manner so as to prevent objectionable dust and particulate
matter from being stirred up and becoming a nuisance to
the general public."
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L. Chapter 44. Add Section 4410 to read as follows:
Section 4410. Sandblasting.
Sandblasting operations, when conducted on the exterior of
any building, shall be by the wet blasting method.
Protective covers or tarpaulins shall be erected to
contain all rebound sand to the immediate area of work.
Pedestrian protection shall be provided.
Interior sandblasting operations may be by either wet or
dry blasting. If dry blasting is used, precautions shall
be taken to contain all dust and rebound within the
building. Ventilating fans shall have filters.
M. Delete Subsection 4506(b). Add a new Subsection 4506(b) to read
as follows:
(b). Construction. Awnings shall have non - combustible frames
but may have combustible, fire - retardant coverings. The
design shall be such that the awning does not block any
required exit.
SECTION 15.04.050 ALTERNATE BUILDING STANDARDS FOR HISTORICAL BUILDINGS
Part 8 of Title 24, California Administrative Code, entitled "State
Historical Building Code," three (3) copies of which are on file in the
Office of the City Clerk, identified by the Seal of the City of San Luis
Obispo thereon, is hereby adopted by reference as though set out in full
in this Section and is to apply in the reconstitution, reconstruction,
rehabilitation, renovation, restoration, repair or alteration of
buildings legally designated as historical buildings within the City of
San Luis Obispo.
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SECTION 15.04.060 REVIEW OF PLANS PRIOR TO ISSUANCE OF BUILDING AND
GRADING PERMITS IN FLOOD AREAS AND ADJACENT TO
WATERWAYS.
A. Permits shall not be issued without plan approval.
1. No building or grading permit shall be issued for any
activity upon land designated as "Flooded" or "Flood
Prone" upon the Flood Insurance Rate Maps, identified by
Community_Panel Number 060310 0005C, on file in the office
of the City Engineer & CaIlnunity Development Department,
or upon land situated within twenty feet (20') of the top
of the banks of designated waterways as shown upon the
same map attached hereto, prior to review and approval of
the plans by the City Engineer or City Council for the
proposed building or grading work.
2. For the purposes of this ordinance, the "top of the bank"
shall mean that point on either bank which represents the
water level at full capacity of the waterway without
flooding or overflowing on either side of said waterway.
The twenty foot (20') distance shall be measured
horizontally from the aforesaid point and perpendicularly
to the said waterway.
3. The prohibitions herein shall not apply to:
(a) Public Works.
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(b) Rehabilitation or repair work which is reasonably
necessary to restore buildings or premises which have
been damaged by flood, fire, earthquake or other
natural disaster.
(c) Emergency work necessary for the protection of public
health, safety and welfare.
(d) Private projects specifically approved by the City
Council for the construction of retaining walls,
culverts, bridges, drainage improvements and similar
public works type facilities.
(e) Projects exempted in the City's Policies and Standards
for Flood Plain Management.
B. Policies and Standards for Flood Plain Management. The review
by the City Engineer or City Council shall be in accordance with
the Policies and Standards for Flood Plain Management document,
dated June 21, 1983, adopted by Resolution #5138 (1983 Series)
and such amendments thereto as may be adopted by Resolution the
Council from time to time. Current copies of said Policies and
Standards shall be, maintained on file in the Offices of the City
Clerk, City Engineer and Community Development Department as
public records.
SECTION 15.04.070 AMENDMENTS; UNIFORM MECHANICAL CODE
A. Delete Chapters 1, 2 and 3.
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B. Section 1901. Amend Section 1901 to add a new subsection (c) to
read as follows:
(c) An exhaust duct and fan having a minimum capacity of
50 CFM shall be installed above, or in conjunction
with, all domestic, free - standing, or built -in ranges.
Exceptions:
1. Where a gravity vent with a minimum
cross - sectional area of thirty -six (36)
square inches is installed directly above the
cooking surface, opening vertically through
the building to the outside.
2. Vents shall not be required where the
appliance has a built -in air purifier and
recirculating system.
SECTION 15.04.080 AMENDMENTS; UNIFORM HOUSING CODE.
Delete Section 203. Add a new Section 203 to read as follows:
Housing Advisory and Appeals Board
Sec. 203. In order to provide for final
interpretation of the provisions of this code and to
hear appeals provided for hereunder, The Building
Board of Appeals shall act as the Housing Advisory and
Appeals Board. Appeals to the board shall be
processed in accordance with the provisions contained
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in Section 1201 of this code. Copies of all rules or
regulations adopted by the board shall be delivered to
the Building Official, who shall make them freely
accessible to the public.
SECTION 15.04.090 AMENDMENTS; UNIFORM CODE FOR THE ABATEMENT OF
DANGEROUS BUILDINGS.
Section 205. Delete Section 205 in its entirety and substitute a
new Section 205 as follows:
Board of Appeals
Sec. 205. In'order to provide for final
interpretation of the provisions of this code and to
hear appeals provided for hereunder; The Building
Board of Appeals shall hear all appeals. Appeals to
the board shall be processed in accordance with the
provisions contained in Section 501 of this code.
Copies of all rules or regulations adopted by the
board shall be delivered to the Building Official, who
shall make them freely accessible to the public.
SECTION 15.04.100 AMENDMENTS; UNIFORM PLUMBING CODE.
A. Delete Part 1, Administration.
B. Delete Section 307. Add a new Section 307 to read as follows:
Section 307 - Location
(a) Except as otherwise provided in this Code, no
plumbing system, drainage system, building sewer,
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private sewage disposal system or parts thereof, shall
be located in any lot other than the lot which is the
site of the building, structure or premises served by
such facilities.
Exception: Where installed in recorded easements,
facilities may be located in lots other than the lot
which is the site of the building.
(b) No subdivision, sale.or. transfer of ownerships of
existing property shall be made in such manner that
the area, clearance and access requirements of this
Code are decreased.
C. Section 313. Section 313 is changed to add a new paragraph
after the exception as follows:
-Section 313 - Independent Systems
The drainage system of each new building and of new
work installed in any existing building shall be
separate and independent from that of any other
building and when available, every building shall have
an independent connection with a public or private
sewer.
Exception: Where one building stands in the rear of
another building on an interior lot, and no private sewer
is available or can be constructed to the rear building
through an adjoining court, yard or driveway, the building
drain from the front building may be extended to the rear
building.
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The drainage system, serving any lot or parcel, shall be
independent and separate from any drainage system serving
other adjacent lots or parcels.
D. Section 315. Amend Section 315 to add a new subsection (g) to
read as.follows:
(g) Plastic drain, waste and vent (DWV) piping shall not be
used in exposed locations and shall not be used in
buildings or structures, or parts thereof, required to be
of fire - resistive construction.
E. Section 317. Amend subsection (d) to read as follows:
(d) All excavations shall be canpletely backfilled as soon
after inspection as practicable. A layer of sand or fine
gravel shall be placed in all sewer trenches to provide a
levelling and laying bed for pipe. Adequate precaution
shall be taken to insure proper canpactness of backfill
around piping without damage to such piping. Trenches
shall be backfilled in thin layers to twelve (12) inches
(.3 m) above the top of the piping with clean earth which
shall not contain stones, boulders, cinderfill or other
materials which would damage or break the piping or cause
corrosive action. Mechanical devices such as bulldozers,
graders, etc., may then be used to complete backfill to
grade. Fill shall be properly compacted. Suitable
precautions shall be taken to insure permanent stability
for pipe laid in filled or made ground.
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F. Section 401. Delete subsection (a). Add a new subsection (a)
to read as follows:
(a) Drainage piping shall be cast iron, galvanized steel,
galvanized wrought iron, lead, copper, brass, ABS, PVC,
extra strength vitrified clay pipe, or other approved
materials having a smooth and uniform bore, except that:
(1) No galvanized wrought iron or galvanized steel pipe
shall be used underground and shall be kept at least six
(6) inches (152.4 mm) above ground.
(2) ABS or PVC installations shall be limited to
combustible residential construction.
(3) No vitrified clay pipe or fittings shall be used
above ground and shall be kept at least twelve.(12) inches
(.3m) below ground.
(4) Bituminous fiber pipe shall not be used as a building
drain or sewer.
G. Section 503. Delete subsection (a). Add a new subsection (a)
to read as follows:
(a) Vent pipe shall be cast iron, galvanized steel,
galvanized wrought iron, lead, copper, brass, ABS, PVC or
other approved materials, except that:
(1) No galvanized wrought iron or galvanized steel pipe
shall be used underground and shall be kept at least six
(6) inches above ground.
(2) ABS or PVC installations shall be limited to
combustible residential construction.
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SECTION 15.04.110 PERMITS REQUIRED FOR WELL CONSTRUCTION.
A. No person shall construct, repair, modify, abandon or destroy
any water well without first obtaining a plumbing permit
therefor from the City.. The fees for such permits shall be
established from time to time by resolution of the Council. As
used herein, "water well" shall mean an artificial excavation
constructed by any method for the purpose of extracting water
from, or injecting water into, the underground, and for
providing cathodic protection or electrical grounding of
equipment.
B. All work performed pursuant to each such permit shall be in
conformance with all State laws and standards including
applicable portions of Department of Water Resources Bulletins
No. 74 and 74 -1, all City ordinances, resolutions and policies
relating thereto, and such permit conditions as may be imposed
by the City.
C. Any water well constructed, repaired, modified, destroyed,
abandoned, or operated in violation of this section or the
permit requirements shall constitute a public nuisance which may
be abated by the City.
D. It shall be a condition of each permit issued hereunder that the
permittee post a cash deposit of $1,000.00 to guarantee that the
construction site will be maintained in a safe manner. If, in
the opinion of the Building Official, the site is not being
maintained in a safe manner, said deposit may be
expended by the Building Official to provide covering of the
excavation, fencing around the construction site or such other
protection as said Building Official deems necessary to protect
the public health, safety and welfare. Any unexpended portion
of said sums shall be returned to the permittee promptly upon
completion of the work authorized and City approval thereof.
SECTION 15.04.120 ABANDONED WELLS.
A. Definition: As used in this chapter, unless the context
otherwise requires, an "abandoned" well includes, but is not
limited to, any well not continuously used, or any well whether
being used or not, the mouth or entrance of which is left
unprotected, uncovered, or uncapped.
B. Covering /Capping: A person who digs, drills, excavates,
constructs, owns or controls any well and abandons such well and
a person who owns, occupies, possesses or controls any premises
on which an abandoned well exists shall cap or otherwise
securely cover, or protect the mouth or entrance to the well.
The capping or covering shall be so constructed and installed
as will prevent any human being from suffering any bodily injury
or death, through accident or inadvertence, by reason of the
existence of the well.
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SECTION 15.04.130 ELECTRICAL REGULATIONS.
A. Standards For Materials:
1. All electrical materials, devices, appliances, apparatus
and equipment installed or used, shall be in conformity
with the provisions of this Code and with approved
standards for safety to life and property.
2. Listing or labeling, as conforming to the Standards of the
Underwriter's Laboratories, Inc., the National Bureau of
Standards, or other nationally recognized laboratories,
shall be prima facie evidence of conformity with the
approved standards for safety to life and property.
3. Previously used materials shall not be reused in any work
without the written approval obtained in advance from the
Building Official.
B. Temporary Electrical Power.
No electric service from a temporary power pole may be used to
supply electricity to a building designed to have a permanent
electrical service installed thereon.
C. Occupancy Wiring Requirements.
1. In single family dwellings, approved raceways or suitable
wiring for all spare remaining circuits shall be provided
to an accessible location as follows:
(a) In slab floor buildings, 2 - 1" raceways into the
attic space.
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(b) In raised first floor buildings, 1 - 1" raceway into
the attic space and 1 - 1" raceway into the
underfloor space.
2. In all new construction branch circuitry panels shall be
sized to provide four (4) full size spare circuit spaces
for future expansion purposes.
3. Branch circuit panels shall be installed for each
occupancy, in the interior thereof except in single family
dwellings. No branch circuit panel or protective devices
shall be installed in bathrooms, clothes closets, janitor
closets, laundry closets, pantries, and similar type
closets, or water heater and furnace compartments.
4. Plastic raceway systems and boxes shall not be exposed in,
or penetrate fire resistive construction, except when
approved and listed for the purpose.
5. Wiring for Occupancy Groups A, B, E, H, or I, as defined
in the Uniform Building Code, shall be in approved raceway
systems. Wiring for Occupancy Groups M and R may be by
any method set forth in the National Electric Code.
SECTION 4. A summary of this ordinance, approved by the City
Attorney, together with the ayes and noes, shall be published at least
(5) days prior to its final passage in the Telegram- Tribune, a newspaper
published and circulated in said City, and the same shall go into effect
at the expiration of thirty (30) days after its said final passage. A
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EYTEIS
ass
copy of the full text of this ordinance shall be on file in the office
of the City Clerk on and after the date following introduction and
passage to print and shall be available to any interested member of the
public.
INTRODUCED AND PASSED TO PRINT by the Council of the City of San Luis
Obispo at a meeting held on the -15th day of - --- January- - -, 1985, on
motion of Councilwoman - Dovey - - , seconded by -- Councilman -- Griffin -- -- - ,
and on the following roll call vote:
AYES: Councilmembers Dovey, Griffin, Dunin, Settle and Mayor Billig
NOES: None
AgSENT: None
APP R0
City Administrative Offidbr
City Att ney
Director of' Community Development
ri• • Official
7,_
ORDINANCE NO. 1033
FINALLY PASSED this 5th
qt
(.1985 Series)
day of February
19 85, on motion of Councilman Settle , seconded by
Councilwoman Dovey , and on the following roll call
vote:
AYES: Councilmembers Settle, Dovey, Dunin, Griffin and Mayor Billig
NOES: None
ABSENT: None
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AM! I
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