Cook County Ordinances

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Contents of Part A:

Article IV  General Provisions
Article V Administration and Enforcement
Article VI  Classification of Buildings
Article VII  Conflagration Hazard District
Article VIII  Residential Buildings (Class A)

The following are not documented at this web site - refer to Cook County for Ordinances:

Article IX Institutional Buildings (Class B) 
Article X  Assembly Buildings and Structures (Class C)
Article XI  Educational Buildings (Class D)
Article XII  Office Buildings, Business and Professional (Class E)
Article XII  Commercial Buildings (Class F)
Article XIV  Industrial Buildings (Class G)
Article XV  Storage Buildings (Class H)
Article XVI  High Hazard Buildings and Structure (Class 1)
Article XVII  Unclassified Buildings and Structure (Class J)
Article XVIII  Buildings of Mixed Occupancy (Class K)

For the complete ordinances of all types of buildings - you can purchase the book of ordinances at::

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Part A - Cook County Ordinances


Index
4.1        INTERPRETATION

4.2        SEPARABILITY

4.3        SCOPE OF REGULATIONS

4.4        SAFEGUARDS DURING CONSTRUCTION AND DEMOLITION
4.4-1            Scaffolds
4.4-2            Sidewalk Sheds and Walkways
4.4-3            Temporary Fence or Barricade
4.4-4            Hoists -- Materials Only
4.4-5            Temporary Use Elevators
4.4-6            Flooring
4.4-7            Floor Openings
4.4-8            Roofs and Sky lights of Adjoining Buildings
4.4-9            Stair Facilities
4.4-10            Fire Protection
4.4-11            Heating
4.4.-12            Welding and Cutting
4.4-13            Storage of Material
4.4-14            Disposal of Waste   
4.4-15            Warning Lights
4.4-16            Lighting
4.4-17            Temporary Wiring
4.4-18            Sanitation
4.4-19            Accidents
4.4-20            Demolition

4.5        TIME LIMITATION ON MECHANICAL APPARATUS

4.6            MATERIALS, METHODS, STANDARDS AND TESTS
4.6-1            Scope
 4.6-2            Used Materials
4.6-3            New Materials
4.6-4            Classification of Construction Materials
4.6-5            Accepted Engineering Practice
4.6-6            Exterior Wall  Materials
4.6-7            Welded Construction
4.6-8            Prefabricated Construction
4.6-9            Tests

4.7        MAINTENANCE, REPAIRS AND ALTERATIONS
4.7-1            Maintenance
4.7-2            Application of Provisions -- Existing Buildings
4.7-3            Relocation of Buildings or Structure
4.7-4            Change of Occupancy
4.7-5            Alteration  and Repairs



4.1    INTERPRETATION
4.1-1
In their interpretation and application, the provisions of this ordinance shall be held to be the minimum requirements for the promotion of the public health, safety, and welfare
4.1-2
Where the conditions imposed by any provision of this ordinance upon the construction, alteration or maintenance of buildings or structures are either more restrictive or less restrictive than comparable conditions imposed by any other provision of this ordinance or of any other applicable law,  ordinance, resolution, rule or regulation, the regulations which are more restrictive (or which impose higher standards or requirements) shall govern.
4.1-3
This ordinance is not intended to abrogate any easement, covenant, or any other private agreement provided that where the regulations of this ordinance are more restrictive (or impose higher standards or requirements) than such easement, covenant or other private agreement, the requirements of this ordinance shall govern
4.1-4
No building or structure which was not lawfully existing at the time of the adoption of this ordinance shall become or be made lawful solely by reason o f the adoption of this ordinance; and to the extent that, and in any manner that, such building or structure is in conflict with the requirements of this ordinance, said building or structure remains unlawful hereunder.
4.4-5
Nothing contained in the Cook County Building Ordinance shall be deemed to be a consent, license, or permit to locate construct, or maintain any building, structure, or facility or to carry on any  trade, industry, occupation or activity.
4.1-6
The provisions in the Cook County Building Ordinance are accumulative and additional limitations upon all other laws and ordinances heretofore passed or which may be passed hereafter, covering any subject matter in the Cook County Building Ordinances..
4.1-7
Wherever a publication or standard is specified or referred to in this ordinance, the edition implied shall be that listed in one of the appendices 1 through 8 in Part D, as appropriate

4.2        SEPARABILITY
It is hereby declared to be the intention of the President and Board of Commissioners of Cook County that the several provisions of  this ordinance be separable in accordance with the following:
4.2-1
If any court of competent jurisdiction shall adjudge any provisions of this ordinance to be invalid, such judgment shall not affect any other provision of this ordinance not specifically included in said judgment.
4.2-2
If any court competent jurisdiction shall adjudge invalid the application of any provision of this ordinance to a particular building or structures such judgment shall not affect the application of said provision  to any other building or structure not specifically included in said judgment
4.3        SCOPE OF REGULATIONS
4.3-1
All buildings and structures, and camps or parks accommodating persons in house trailers, house cars, cabins  or tents, erected, constructed, altered demolished or relocated hereafter with the boundaries of Cook County and located outside the limits of the cities, villages and incorporated towns shall be subject to all regulations of this ordinance governing construction, installation , alteration, addition, repair and maintenance; in addition all existing buildings and structures shall comply with applicable regulations governing installations, alteration, addition, repair and maintenance regulations governing installation, alteration, addition, repair and maintenance in a reasonably safe condition and all other requirements made s applicable specifically to existing buildings and structures.
4.3-2
Buildings and structures used for agricultural purposes on farms, including farm residences, shall be exempt from all regulations contained herein.
4.3-3
Where a building permit for a building or structure has been issued in accordance with law prior to the effective date of this ordinance, and provided that construction is begun within six (6) months of such effective date and diligently prosecuted to completion, said building or structure may be completed in accordance with the approved plans on the basis of which the building permit has been issued.

4.4  SAFEGUARDS DURING CONSTRUCTION AND DEMOLITION
4.4-1  Scaffolds
a.  Construction
All scaffolds shall be designed and constructed in accordance with  accepted engineering practice to support the loads that may be imposed thereon, with a safety factor of at least four (4).  In no case shall scaffolds be designed to a live load of less than 125 pounds per square foot.
b.  Guard Rails and Toe Boards
Every scaffold, the platform level which is more than eight (8) feet above the  ground or above a permanent or temporary floor, other than iron workers' scaffolds; carpenters' bracket scaffolds; and scaffolding wholly within the interior of a building and covering the entire floor space of any room there in and not having any sides exposed to a hoistway elevator shaft or stairwell;  shall be provided with guard rails not less than thirty-six (36) inches above the platform level and with solid toe boards not  less than six (6) inches high, extending the entire length and along the ends, except where ramps or runways connect with them, unless otherwise enclosed or guarded.  If material on the platform of exterior scaffolds is piled higher than the toe boards, the space between guardrails and toe boards shall be filled with  wire mesh screens securely attached.
c.  Overhead Protection
Where there is danger of objects falling onto a scaffold from above, substantial overhead protection shall be provided not more than ten (10) feet above the scaffold platform.
d.  Planking
When planks are sued for the platforms of scaffolds they shall not be less than two (2) inches thick, nominal dimensions of sound, seasoned lumber
e.  Scaffolding
Where the extend or location of scaffolding used is such as to create a fire hazard, the Building Commissioner may require the use of incombustible material or of approved Building Commissioner may require the use of incombustible material or of approved fire-retardant-treated lumber that has been treated by pressure impregnation process.  The Building Commissioner may also require the flame proofing of tarpaulins.  However, scaffolding in connection with one story residential buildings shall be exempt from this regulation.
4.4-2  Sidewalk Sheds and Walkways
a.  Sheds Required
Whenever a building or structure within ten (10) feet of a street line is to be erected to exceed forty (40 feet in height, or whenever such a building or structure more than twenty-five (215) in height is to  be demolished, unless the street is officially closed during the construction or  demolition the owner or the person doing or causing such work to be done shall erect and maintain during such work adjacent to the street lines, sheds of sufficient strength and stability, in accordance with accepted engineering practice, to sustain safely the weight of materials that maybe placed thereon, and to withstand the shocks incident to the handling of such materials or their preparation for use and to the accidental jars from trucks delivering material.
b.  Railings and Toe Boards
When the roofs of such sheds are used for the storage of material or for the performance of work of any kind, substantial railings not less than three (3) feet high and solid toe boards not less than six (6) inches high shall be placed along the open sides and end of such roofs.
c.  Walkways
(1)  Where deemed necessary by the Building Commissioner, sidewalk sheds shall be constructed to afford an unobstructed walkway for pedestrians, not less than eight (8) feet high and four (4) feet wide
(2)  When the area occupied by the sidewalk or temporary walkway is to be excavated, such walk shall be designed to support a load of not less than one hundred fifty (150) pounds per square foot and shall be provided with suitable ramps at each end.  Such walkways shall be not less than four (4) feet wide and provided with a fence or a handrail of dressed lumber not less than three (3) feet high.
4.4-3  Temporary Fence or Barricade
Where the exterior wall of a building is within eight (8) feet of a public sidewalls, or if the Building Commissioner deems it necessary due to the proximity of a building operation to a street line, during such building operation the owner or person doing or causing such  work to be done, shall erect and maintain a substantial fence not less than eight (8) feet high.  The fence shall extend along the sidewalk or street line for the entire length of the building and each end shall be  turned and extended to the building line.  Such fence may extend more than eight (8) from the street line into the street, and shall b built solid  for its full length except for such openings, provided with sliding doors or doors swinging inward, as may be necessary for the proper prosecution of the work.
4.4-4  Hoists -- Materials Only
Temporary interior and exterior hoists shall be constructed,  installed and maintained in accordance with accepted engineering practice on matters not covered in this ordinance.  Such temporary construction hoists shall not be used to haul passengers.
a.  Interior Hoists
Temporary construction hoists on the interior of buildings or structures shall have the car substantially constructed, the guides rigidly secured, and overhead machinery safely supported.  The floor openings or other spaces through which they operate shall be enclosed on all sides  and for their full height, except for the necessary doors for loading and  unloading, with barriers so constructed that loose material cannot fall through.
b.  Exterior Hoists
Temporary construction hoists on the exterior of buildings or structures shall be erected on sufficiently solid foundations to avoid injurious settlement or distortion.
c.  Hoisting Machinery
(1)  Hoisting machinery, including boilers, if any, shall be placed to avoid unnecessary hazards and to provide ample room for free and safe movements of operation.
(2)  Such machinery shall be enclosed to exclude unauthorized persons and, if placed outside the building, further protection against falling objects shall be provided.
(3)  When such hoisting machinery is placed within a building or structure, or within ten (10) feet of any part thereof, only incombustible materials shall be used for the exterior covering of the enclosures.
(4)  If hoisting machinery is operated by steam with boiler on or adjacent to premises, suitable spark guards shall be provided for the smokestack.
4.4-5  Temporary Use Elevators
a.  An elevator being installed for permanent use, or a temporary use elevator, may be used during construction of the building for carrying workmen or other authorized approved for use such elevator or its hoist-way shall be provided with the following equipment:
(1)  An approved-type governor and car safety;
(2)  A car with solid top and sides, except at car openings;
(3)  A suitable hoistway enclosure for the full height of the shaft;
(4)  Approved type gates at least six (6) feet high at all hoistway openings;
(5)  An approved locking device on the hoistway door, or gate, operable only from the hoistway side of the enclosure; and
(6)  Car safety and terminal stopping devices which have been tested with rated load in the car, int he presence of an Inspector from the Building Department, to determine that  they are in safe and proper operating condition.
b.  Capacity of said elevator shall be governed by the maximum horizontal free area inside the car  in accordance with Article XXXIII, ELEVATORS AND SIMILAR MECHANICAL DEVICES.  Car speed shall not be over two hundred fifty (250) feet per minute.  Car and counter eight buffers, counter weights and eight frame, car sling and platform may remain as part of the  the permanent installation.
c.  A competent operator shall be in charge of such elevator.
4.4-6  Flooring
a.  Temporary Working Floors
In buildings where construction of the super-structure precedes the construction of the permanent floor panels, a substantial temporary floor shall be constructed and maintained at a level not more than two (2A) floors below the level at which erection work is being  performed.  This floor shall be planked over, except spaces required for construction working for raising or lowering materials, and for stairways or ladders
b.  Permanent Floors
In building or structures  the permanent structural floor, except for necessary temporary openings, shall be installed as the construction progresses.  There  shall be not more than four (4) unfilled floors above the highest permanently floor, not more than one unfilled floor between permanent floors
4.4-7  Floor Openings
All floor openings, unless guarded by permanent enclosures or full-height temporary barriers, shall be covered with substantial temporary  flooring, or guarded on all sides by substantial railing not less than four (4) feet high set oat least two (2) feet from the edges of the openings, and by toe boards not less than six (6) inches high set along the edges of the openings, except for such parts of the opening as are necessarily open for traffic purposes.
4.4-8  Roofs and Skylights of Adjoining Buildings
When a building or structure is to be carried above the roof of an adjoining building protection for the skylight and roof of such adjoining building shall be provided at his own expense, by the person constructing or causing the construction of such building or structure; provided that if the owner, lessee or tenant of the adjoining building should refuse permission to have the roofs and skylights protected, the responsibility and expense for the necessary protection shall devolve on the person refusing such permission.
4.4-9  Stair Facilities
a.  Temporary Stairs
When the construction of a building has progressed to a height exceeding sixty (60) feet, above grade or when a building exceeding sixty (60) feet in height is under going alternations, unless one or more permanent stairways have been installed, at least one (1) temporary stairway shall be provided, continued in height as  rapidly as the  progresses to the highest floor that has been installed and maintained in serviceable condition until a permanent stairway has been completed.
b.  Ladders
Until either permanent or temporary stairways are installed, suitable substantial ladders securely fastened at top and bottom, shall be provided and maintained to provide means of reaching the various levels.
4.4-10  Fire Protection
a.  Reinforced Concrete Construction
.
In every building of reinforced concrete construction, forms of combustible material shall be stripped from the concrete and removed form the building as soon as practicable.
b.  Standpipes
In all buildings in which stand pipes are required, such stand pipes shall be installed as the construction progresses, in such a manner that they are always ready for fire  department use to the topmost floor that has been installed.  Such stand pipes shall be provided with a fire department connection on the outside of the building at the street level and with one outlet at each floor.  All outlets, connections and fittings shall be designed to fit standard fire department equipment.
c.  Fire Extinguishers
(1)  In every building operation, wherever a tool house, storeroom, or other shanty is placed or a room or space is used for storage, dressing room, or workshop, at least one approved hand pump, tank or portable chemical extinguisher of non-freezing type or  protected against freezing shall be provided and maintained in an accessible location.
(2)  When a water supply of not less than one hundred (100) gallons per minutes at twenty-five (25) pounds nozzle pressure, ready for use at all times, is installed as the building operation progresses, a small hose, at least fifty (50) feet in length  with a one-half (1/2) inch nozzle, may be substituted for each such fire extinguisher.
d.  Access to Fire Extinguishing Equipment
During building operations, free access from the street to fire hydrants and to outside connections for stand pipes, sprinklers or other fire extinguishing equipment, whether permanent or temporary, shall be provided and maintained at all times.  No material or construction equipment shall be placed within ten (10) feet of such hydrant or connection, nor between it and the center line of the street.
4.4-11  Heating
a.  Permanent Heat
The permanent heating equipment shall be installed and put in operation as soon  as practicable.
b. Temporary Heat
(1)  When salamanders or other temporary heating devices are sued, if a temporary heating plant is impracticable and until a permanent heating plant is installed, they shall not be set on combustible flooring or platforms unless thoroughly insulated therefrom by a  bed of sand or cold ashes not less than four (4) inches thick, or by other efficient protection, extending at least two (2) feet horizontally beyond such devices on all sides.  The legs of such devices, which shall be at least twelve (12 inches long, shall rest on the insulation and shall not extend through  it.
(2)  Such devices shall be so located that there is a clearance not less than six (6) feet above nor less than two and one-half (2-1/2) feet on all sides, between such device and unprotected woodwork or combustible material, equipment or construction.  Nor shall such device be placed within ten (10) feet in any direction of tarpaulins or other covers,  except  as such tarpaulins or cover are flame-proofed in an approved manner
(3)  Salamanders and similar heating devices shall be of a substantial type with protective screen covers, and shall be under constant supervision so long as they are in use.
4.4-12  Welding and Cutting
a.  Protective Shield
When gas cutting is done within twenty-five (25) feet of combustible material, or when any welding or cutting is done above combustible material or above a place where  workers are employed or where persons are likely to pass, incombustible shields shall be interposed  to protect such materials  and persons against sparks and hot metal or slag.
b.  Welding Equipment
Welding equipment including but not limited to such items as regulators torches, and hoses when not attached to cylinders, ready for use, shall be stored in clean locations away from grease, oil and excessive heat.
c.  Cylinders for Oxygen and Fuel Gases
(1)  Oxygen and fuel gas cylinders, unless secured on a special truck, shall not be moved unless the cylinder caps, if provided for  in the cylinder design, are in place, nor shall cylinders be stored without the caps in place.
(2)  Suitable cradles shall be used for lifting or lowering oxygen or fuel gas cylinders.  Ordinary rope slings or electromagnets shall not b used.
(3)  Cylinders shall be placed away form the welding position so that they will not be unduly heated by radiation from heated materials, by sparks or slag, or by misdirection of  one torch flame.  Cylinders shall be stored away from combustible materials and in locations where they are not liable to excessive  rise in temperature, physical damage or tampering.
(4)  Closed spaces shall be ventilated   properly while welding or cutting is being done therein.
d.  Oxygen Equipment
Oxygen cylinders, valves, regulators, hoses and other apparatus and fittings shall be kept free from oil or grease.
e.  Acetylene
Under no circumstances shall acetylene gas be  brought in contact with unalloyed copper, except in a blowpipe or torch
f.  Cutting Structural Members
Before steel beams or other structural shapes or elements of constructions are severed by flame cutting or other means, they shall be secured by ropes or chains to prevent dropping or swinging.
g.  Protective Equipment
Welders and cutters shall be protected from the rays of the arc or flame and from hot metal by proper protective clothing and by helmets , hand shields, or goggles equipped with suitable filter lenses
4.4-13  Storage of Material
a.  Within Building
Materials or equipment needed in a building operation, if stored within the building shall be so place that they will  not load any part of the construction in excess of the design load, nor interfere with the safe prosecution of the work.
b.  Outside Building
(1)  Materials and equipment shall not be stored in a street, alley, sidewalk, or any other public space except by special permission of the Cook County Superintendent of Highways.
(2)  In whatever manner building material may be stored or equipment set  up in a street, a safe walkway not less than four (4) feet wide, unobstructed for its full length and adequately lighted at all times, shall be maintained for use of the public.
c.  Covering Material
Materials stored within the building or within ten (10) feet of the building, which require covering shall be protected by incombustible material.
4.4-14  Disposal of Waste
Waste material and rubbish shall not be stored nor allowed to accumulate within the building or in the immediate vicinity, but shall be removed from the premises as rapidly as practicable.  No material shall be disposed of by burning on the premises or in the  immediate vicinity.  Dry material or rubbish shall be wetted down, if necessary, to lay dust or prevent being blown about.
4.4-15  Warning Lights
All pits, excavations, fences, barriers, builder's equipment, building materials or rubbish in or upon a street, alley, sidewalk or any other public space shall have placed upon or by them, illuminated lamps with red globes, flares or other approved lights, in such manner that there shall be one light at each end, and at intermediate points as may be necessary to afford proper warning after darkness.
4.4-16  Lighting
All parts of buildings or structures under construction and all sheds , scaffolds, and other equipment in connection therewith, where work is being performed or persons must necessarily pass, shall be adequately lighted to insure safety.
4.4-17  Temporary Wiring
Transformers, wiring, equipment and over-current protection shall be installed in accordance with the requirements of Article XXXVII, ELECTRICAL REQUIREMENTS of this ordinance.
4.4-18  Sanitation
Until permanent provision is made, every building or structure in the course of erection, alteration, repair, or demolition shall be provided with suitable and adequate toilet and drinking water facilities, consisting of not less than one water-closest-type fixture and one (1) urinal for each thirty (30) workers, and one (1) drinking fountain for each seventy-five workers.  An equivalent mobile water supply system may be used in lieu of drinking fountains.
4.4-19  Accidents
a.  First Aid
On every building operation, a first aid cabinet containing, among other things a supply of iodine or mercurochrome and asceptic  gauze bandages shall be provided and maintained.
b.  Medical Attention
Arrangements shall be made for prompt medical  attention in case of need.
4.4-20  Demolition
a.  Procedure
Except where there is adequate space and special permission has been received from the Building Commissioner in the demolition of buildings, one story at a time shall be completely removed.  No wall, chimney, or other construction shall be allowed to fall in mass on an upper floor.  Bulky material, such as beams and columns, shall be lowered and not allowed to fall.
b.  Chutes
Chutes for the removal of material and debris shall be provided in all such parts of demolition operations that are more than twenty (20 feet above the point where the removal of material is effected.  Such chutes shall be completely enclosed.   They shall not extend in an unbroken line for more than twenty-five (25 feet, but shall be equipped at intervals of twenty-five 25 feet or less with substantial stops to prevent descending material from attaining dangerous speeds.  The bottom of each chute shall be equipped with a gate or stop.  With suitable means for closing or regulating the flow of material.

4.5  TIME LIMITATION ON MECHANICAL APPARATUS
It shall be unlawful for any person to use any pile drier, shovel, hammer, derrick, hoist, tracker, roller or any other mechanical apparatus operated by fuel in building construction operations between the hours of 10:00 o'clock in the evening and 7:30 o'clock in the the morning within six hundred (600) feet of any building used for residential or institutional purposes, except for work on public improvements or public utilities and except for the operation  of pumps when continuous pumping is necessary for removal of water from the construction area.

4.6  MATERIALS, METHODS, STANDARDS AND TESTS
The provisions of this Section shall govern the quality and strength of materials and the methods of design and construction hereafter used in the construction of buildings and structures.  Materials and methods of design and construction shall conform to the requirements of accepted engineering practice and the recognized  standards and test consistent therewith.
4.6-1  Scope
The provisions of this Section shall govern the quality and strength of materials and the methods of design and construction hereafter used in the construction of buildings and structures.  Materials and methods of design and construction shall conform to the requirements of accepted engineering practice and the recognized standards and tests consistent therewith.
4.6-2  Used Material
Unless otherwise required herein, used materials which meet the minimum requirements for new materials and all other special requirements of this ordinance shall be permitted.
4.6-3  New Materials
All new building materials, equipment, appliances, systems or methods of construction not provided for in this ordinance and not previously approved for use by the Building Commissioner or certified by the Building Ordinance Commission, as established in Article V, Section 5.2 shall be subject to the tests prescribed in this Section and shall require application to and approved by the Building Commissioner.  See Article V, Section 5.2 for the procedure for approval of new materials and methods.
4.6-4  Classification of Construction Materials
All materials and methods used in the design and construction of buildings and structures shall e classified as "controlled materials" or "ordinary materials" as defined herein
a.  Controlled materials 
(1)  Controlled materials, as applied to the requirements of this ordinance, means materials which have been designed or constructed under the following conditions:
(a)  All controlled materials shall be selected or tested to meet the specific strength, durability and fire resistance requirements upon which the design is based
(b)  The design, preparation of working drawings including details and connections, the checking and approval of all shop and field details, and the inspection of the work during construction shall be under the supervision of a registered architect or structural engineer.
(2)  The records of all tests, inspections and detail approvals shall be made available to the Building Commissioner at all times during the progress of the work, and such records as he may designate shall be filed with the Building Department
c.  Ordinary Materials
are materials meeting the requirements of this ordinance for minimum strength, durability and fire resistance for materials, without  special selection, testing and supervision as required for "controlled materials".
4.6-5  Accepted Engineering Practice
a.  The regulations, specification, standards and tests  of the technical organizations which are referred to in this ordinance are hereby incorporated herein by such reference which the same effect as though set forth.  Authenticated copies of all such regulations, specifications, standards, and tests  shall be kept on file in the office of the Building Commissioner, available for public inspection and use.
b.  adopted Standards
For all purposes of this ordinance, the publications listed in Part D of this ordinance shall be deemed to represent accepted engineering practice with  respect to the materials,  equipment, system and methods of construction respectively specified therein, except as may otherwise be specifically provided in this ordinance or in any regulation adopted pursuant  hereto.
4.6-6  Exterior Wall Materials
Materials other than solid wood used for the outer surface of exterior walls shall be weather, resistant and durable and shall not be subject to damage by continued exposure to moisture or frost.  Such materials shall be not less resistant to moisture absorption than Grade MW clay or shale brick as determined by the Standard Specifications for Building Brick ASTM C62.  Veneers of metal shall be of non-corrosive materials or shall be protected on all sides with porcelain enamel or equally effective corrosion - resistive treatment.  For additional requirements see  Article XXXII, EXTERIOR WALL AND ROOF COVERINGS AND VENEERS
4.6-7  Welded Construction
a.  When welded construction is used, the owner or his representative shall furnish to the Building Commissioner a certificate from a laboratory of recognized standing, certifying that all welding of all structural members was done under its inspections and meets all requirements of the architect's or structural engineer's design drawings and specifications and further, that all welders were certified by a laboratory of recognized standing.
b.  Upon completion of all structural welding operations, the contractor responsible for the fabrication and erection of the structure shall furnish to the Building Commissioner, a certificate showing that the fabrication and erection of such welded  structure has fulfilled the requirements of the architect's or structural engineer's design drawings and specifications.
4.6-8   Prefabricated Construction
Prefabricated buildings, structures and components shall comply with all requirements of this ordinance, and with accepted engineering practice, as to structural strength, fire resistance, weather resistance, safety, durability, sanitation and other required qualities, and shall meet all the requirements of this ordinance concerning plans and specifications and materials and methods of construction.
a.  Accessibility to Inspection
All construction elements, components  and details, including plumbing, heating and wiring  installation, shall be readily visible to the building inspector at the site prior to the completion of the structure.  Prefinished panels containing plumbing, heating or wiring elements concealed from inspection are expressly prohibited.
b.  Prefabricated Construction Tests
Tests for prefabricated construction shall be required as specified in Section 4.6-9.  The Building Commissioner may also require, when not available from existing authoritative test data, comparative tests of standard types of construction for similar uses.
4.6-9  Tests
Tests of structural materials, when required, shall comply with the provisions of this Section.
a.  Test Specimens
The selection and construction of all test  specimens and the details of test procedure herein shall conform to the applicable standards of authoritative tests agencies and laboratories.  All test specimens and construction shall be truly representative of the materials, workmanship and details to be normally applied in practice.
b.  Tests of Materials
(1)  When the strength, durability, weather-resistance and other qualities of a material necessary to the conditions of its use have not been established by accepted engineering practice, or are in reasonable doubt, tests shall be made as hereinafter provided.
(2)  Tests of materials shall also be made where specifically required by the provisions of this ordinance
(3)  Materials, when required shall be subjected to sustained and repetitive loading to determine resistance to fatigue and to tests for durability and weather-resistance when applicable to the use of the material.
(4)  When not otherwise required in this ordnance, the applicable standards and specifications of the American Society for Testing Materials shall be deemed accepted practice in the conduct of tests of materials, assemblies and systems
c.  Tests of Structural Assemblies
(1)  When a structural assembly is not capable of design by accepted engineering analysis, or when there is reasonable doubt as to its strength or stability, the safe load-bearing capacity of such structural assembly shall be determined by tests acceptable to the Building Commissioner.
(2)  Such tests shall simulate the loads and conditions of application to which the complete structure will be subjected in normal use.
d.  Conditions of Acceptance
In evaluating the physical properties of structural assemblies, the structural requirements shall be base d on the following conditions of acceptance.
(1)  Floor, Wall and Roof Transverse  Tests
(a)  Test Load
The test assembly shall sustain, without failure, super-imposed loads equal to two and one-half(2-1/2) times all loads other than dead loads for roofs.
(b)  Deflection Under design live load, the deflection shall be not greater than one three-hundred sixtieth (1/360) of the span for plastered construction and one two-hundred fortieth (1/240) of the span for unplastered construction.
(2)  Wall and Partition Compression Tests
(a)  Test Load
The assembly, both with and without window framing, shall sustain, without failure, superimposed loads equal to two and one-half (2-1/2) times the vertical design live loads.
(b)  Recovery
After 24 hours under the static  test load, and after removal of the superimposed load, the specimen  shall recover not less than one-half (1/2) of all vertical and horizontal distortion and strain.
(3)  Wall Racking Tests
(a)  Test Load
The assembly shall sustain the design live load without excessive distortion and not less than two and one-half (2-1/2) times the design live load without failure.
(b)  Recovery
After 24 hours under the static test load, and after removal of this superimposed load, the specimen shall recover not less than one-half (1/2) of all vertical and horizontal distortion and strain.
(c)  Comparative Tests
When not available tests of standard traditional forms of construction assemblies of similar dimensions and sizes, to assist in determining the adequacy of the new construction.
(4)  Concentrated Load Tests
Where design for concentrated loads is required, floor construction not capable of design shall be subjected to a concentrated load test when such loading exceeds in stress effect the prescribed uniformly distributed load.
e.  Workmanship Tests
(1)  Whenever there is reasonable doubt as to the stability or structural safety of a completed building or structure, or part, thereof, for the intended use, the Building Commissioner may require a load test of the building unit or portion of the structure.
(2)  Unless otherwise provided for in this ordinance the structure under consideration shall be subjected to a superimposed load equal to two (2) times the design live load, which shall be left in position for a period of 24 hours.  If during the  test, or upon removal of the test load, the structure shows evidence of failure, the Building Commissioner  shall order such reinforcements or modifications deemed necessary to insure adequacy of the structure for the rated capacity;  or in lieu thereof,  he may determine the safe load capacity to which the structure shall be limited.
(3)  The structure shall be considered to have successfully passed the test if the total deflection does not exceed the theoretical deflection computed by accepted engineering formula; for if the total deflection exceeds the theoretical value, the structure shall be considered safe, for the design load if it recovers seventy-five (75) percent of the maximum deflection within 24 hours after removal of the test load.

4.7  MAINTENANCE, REPAIR AND ALTERATION
All buildings and structures, both existing and new, and all parts thereof, shall be maintained in a safe and sanitary condition.  All devices or safeguards, which are required by this ordinance in a building or structure when erected, altered or repaired shall be maintained in good working order.  The owner or his designated agent shall be responsible for the maintenance of buildings and structures.
4.7-2  Application of Provisions -- Existing Buildings
Every existing building or structure shall comply with the ordinance requirements in effect and applicable to such building or structure at the time of its construction or alteration, and shall also comply with such provisions of this ordinance which are specifically made applicable to existing buildings.
4.7-3  Relocation of Buildings or Structures
It shall be unlawful for any person to move any building from one location to another unless such buildings is altered or reconstructed so as to conform to the provisions of this ordinance governing such buildings in its new location.
4.7-4  Change of Occupancy
When the occupancy of an existing building is so changed as to transfer it from one occupancy classification to another, the provisions of this ordinance which are higher for the new occupancy than for the former occupancy shall be fully complied with.
4.7-5  Alterations and Repairs
a.  More Than 50 Percent
The provisions of this ordinance for new buildings shall apply to an entire existing building on which, during a twelve (12) month period, alterations and repairs are made costing more than fifty (50) percent of the value of the building before alterations and repair; or which is destroyed or damaged by fire or other casualty or act of god to the extent that the cost of the restoration to the condition to which it  was before the occurrence shall exceed fifty (50) percent of the cost of the restoration of the entire building new.  Repair work done to maintain structural integrity of the foundations shall not be included in the fifty (50) percent repairs.
b.  25 to 50 Percent
Structural and non-structural alterations and repairs, costing at least 25 percent but not more than fifty (50)  percent (excluding cost of repair work done to maintain the structural integrity of the foundations) of the value of the building before alteration and repair, may be made with a twelve (12) month period without making the entire building comply with the requirements of this ordinance for a new building, provided the alterations, and repairs in themselves comply fully with applicable requirements of this ordinance
c.  Less than 25 Percent -- Structural
Structural alteration s and repairs to any portion of an existing building costing less than 25 percent of the value of the building before alteration and repair, may be made within a twelve (12) month period, provided such alterations and repairs comply with applicable structural requirements of this ordinance
d.  Less than 25 Percent -- Non-Structural
Non-structural alterations and repairs to any portion of an existing building costing less than twenty-five (25) percent of the value of the building before alteration and repair, may be made with a twelve (12) month period, using materials similar to those in the existing building, provided the fire resistance of structural members and other assemblies is not adversely affected.
e.  Affidavits Required
Before the issuance of the permit for the alteration, repair or replacement of any pat of an existing building or structure, the Building Commissioner shall require that the owner or his agent file with the Building Commissioner an affidavit stating the estimated cost of the proposed alteration, repair or replacement.  Upon completion of the wok covered by the permit, the Building Commissioner shall require that the owner or his agent file with the Commissioner an affidavit stating the actual cost of the work performed under the permit.
f.  Substantial Improvements in a Floodable Area
Any repair, reconstruction or improvement of the external dimensions of a structure the cost of which equals or exceeds fifty percent (50%) of the market value of such structure, either before the improvement or repair is started; or when the structure has been damaged (and is being  restored) and the subject cost equals or exceeds fifty percent (50%) of the structure's market value before the damage occurred.  However, the term "Substantial Improvements" does not include either:
(1)  Any improvement of a structure to comply with existing state or local health, sanitation or safety code specification required solely necessary to assure safe living conditions
(2)  Any alterations to structure or site documented as deserving preservation by the Illinois Department of Conservation or listed on the National Register of Historic Places.  No improvement shall result in any increase by more than twenty percent (20%) of the square footage of land area occupied by current exiting real estate improvements.
 
 
ARTICLE V
ADMINISTRATION AND ENFORCEMENT


Index
5.1        THE BUILDING DEPARTMENT
5.1-1            Department Officers -- Qualifications and Functions Building Commissioner
5.1-2            Deputy Building Commissioner
5.1-3            Chief Plan Examiner
5.1-4            Inspector Supervisor
5.1-5            Chief Building Inspector
5.1-6            Chief Electrical Inspector
5.1-7            Chief Plumbing Inspector
5.1-8            Chief Elevator, Inspector
5/1-9            Chief Ventilation Inspector
5.1-10            Fire Prevention Inspector
5.1-11            Chief Boiler and Refrigeration Inspector

5.2        THE BUILDING ORDINANCE COMMISSION
5.2-1            Creation and Membership
5.2-2            Establishment of Sub-Committees
5.2-3            Appeals
5.2-4            Amendments
5.2-5            Application for Approval of New Materials or Methods
5.2-6            Meetings and Rules
5.2-7            Periodic Review of the Ordinance


5.3        PERMITS, CERTIFICATE AND PLANS
5.3-1            Building Permits
5.3-2            Building Plans and Drawings
5.3-3            Certificate of Compliance
5.3-4            Registration of Multiple Buildings -- Definition

5.4         ENFORCEMENT
5.4-1            General
5.4-2            Department Liability
5.4-3            Methods of Enforcement (test update)
5.4-4            Persons Liable
5.4-5            Penalty for Violation

5.5        AMENDMENTS

5.6        FEES


5.1        THE BUILDING DEPARTMENT
There is hereby created the Building Department of the County of Cook, vested with the administration of this ordinance and consisting of the Building Commissioner, Deputy Building Commissioner and such other officers and employees as are herein designated and such as the County Board of Commissioners may provide for in its annual appropriate ordinance    Said Building Department shall include the office of the Commissioner, administrative services, engineering services and inspection services.   All officers and employees of said department shall be under the direction and supervision of the Building Commissioner, and shall perform such duties as may be required of them by said Building Commissioner and by provisions of this ordinance.
5.1-1  Department Officers -- Qualifications and Functions
a.  Building Commissioner
The Building Commissioner shall be the head of said Building Department and may be a registered architect, registered structural engineer, registered professional engineer, or an administrator with at least ten (10) years responsible experience  in the construction industry or a related field.  While he serves as Building Commissioner he shall not be actively engaged in any other business.  He shall be appointed by the President of the Board by and with the advice an  consent of the County Board and shall serve at the pleasure of said Board.
b.  The Building Commissioner shall institute such measures and prescribe such rules and regulations for the control and guidance of his officers and employees and shall secure maximum working efficiency, including the careful examination of drawings and plans and diligent inspection of all buildings, structures and mechanical installations.
c.  The Building Commissioner may, also, adopt rules not inconsistent with the provisions of this ordinance with reference to materials and workmanship in construction, repair or maintenance of buildings, structures, or premises, and the installation and  operation of equipment therein except when the administration of any Article or Section is specifically placed in another official or department.  Said rules shall be published and shall be kept on file in the office o the Building Commissioner and copies of all such rules shall be transmitted to the County Board at the first  regular meeting held after the adoption of same.
d.  No "acting" appointment shall be made for the position of Building Commissioner unless such person shall possess the full qualifications required for Building Commissioner.
5.1-2  Deputy Building Commissioner
a.  The Building Commissioner may appoint a Deputy Building Commissioner.  The person certified to fill this office may be a registered architect, registered structural engineer, registered professional engineer, or an administrator with at least five (5) years responsible experience in the construction, industry or a related field.
b. The Deputy Building Commissioner shall act as Building Commissioner in the absence of the Building Commissioner, and while so acting shall discharge all the duties and possess all the powers imposed upon, or vested in, the Building Commissioner.   The Deputy Building Commissioner shall, under the direction of the Building Commissioner, have general supervision of all matters pertaining to the work of the Building Department.
5.1-3  Chief Plan Examiner
The Building Commissioner shall appoint a Chief Plan Examiner who shall have  charge of all plan examination, engineering, cost estimating, and all other related matters.  He shall e a registered architect, registered structural engineer or a registered professional engineer in the State of Illinois, with at least five (5) years experience in the design and construction of buildings.
5.1-4  Inspection Supervisor
The Building Commissioner may appoint an Inspection Supervisor.  The person certified to fill this position may be a registered architect, registered structural engineer, or a registered professional engineer, with at least five (5) years experience in the design and construction of buildings, or a qualified building mechanic with at least ten (10) years responsible experience in the construction and/or inspection of buildings.  He shall be in charge of supervising and coordinating all inspection activities of the department.
5.1-5   Chief Building Inspector
The Building Commissioner may appoint a Chief Building Inspector.  The person certified to fill this position may e a registered architect, registered structural engineer, or a registered professional engineer, with at least  five (5) years experience in the design and construction of buildings, or a qualified building mechanic with at least ten (10) years responsible experience in the construction and/or inspection of buildings.  The Chief Building Inspector shall be in charge of all general building inspections which are not the responsibility of other  chief inspectors established by this ordinance.
5.1-6  Chief Electrical Inspector
The Building Commissioner may appoint a Chief Electrical Inspector.  The person certified to fill this position may be a registered electrical engineer with a minimum of five (5) years practical experience, or an electrician with a minimum of ten (10) years experience in electrical installation work.  The Chief Electrical Inspector shall be in charge of all electrical inspections.
5.1-7  Chief Plumbing Inspector
The Chief Plumbing Inspector may be appointed by the Building Commissioner.  The person certified to fill this position shall be a licensed plumber with at least ten (10) years experience in plumbing installation work.  He shall be in charge of all plumbing inspections, tank and water  heater installations, and plumbing plan examination.
5.1-8  Chief Elevator Inspector
The Building Commissioner may appoint a Chief Elevator Inspector.  The person certified to fill this position may be a registered professional engineer with at least five (5) years experience in the design or construction of elevators, or a qualified person with at least ten (10) years responsible experience in the construction, installation, design and/or inspection of elevators; at least  five (5) years of which shall have been inspection experience.  The Chief Elevator Inspector shall be in charge of the inspection of all elevators and similar mechanical devices.
5.1-9  Chief Ventilation Inspector
The Building Commissioner may appoint a Chief Ventilation Inspector.  The person certified to fill this position may be a registered professional engineer with at least five (5) years experience, or a qualified mechanic with at least ten (10) years responsible experience, in the design, installation and/or inspection of warm air heating systems, air conditioning systems, ventilating units and industrial sanitation ventilation installation, and warm air furnace inspections.
5.1-10  Fire Prevention Inspector
The Building Commissioner may appoint a Fire Prevention Inspector.  The person certified to fill this position may be a registered architect, registered structural engineer or a registered professional engineer, with at least five (5) years experience in the design and construction of fire protection systems, or a qualified building mechanic with fire protection systems.  He shall be in charge of all fire safety and prevention inspections.
5.1-11  Chief Boiler and Refrigeration Inspector
The Building Commissioner may appoint a Chief Boiler and Refrigeration Inspector.  The person certified to fill this position may be a registered professional engineer with at least five (5) years experience, or a steam engineer, pipe fitter, boiler maker or boiler inspector with at least ten (10) years experience, such experience in both hot water boilers, unfired pressure vessels and refrigeration equipment.  Such person shall, in addition to the previous qualifications, hold a valid Commission or Certificate of Competency as an inspector of boilers from the State of Illinois, or from a state having a standard of examination substantially equal to that of the State of Illinois, or from the National Board of Boiler and Pressure Vessel  Inspectors.  He shall e in charge of all seam and hot water boiler, unfired pressure vessel, and refrigeration equipment inspections.

5.2  THE BUILDING ORDINANCE COMMISSION
5.2-1  Creation and Membership
For the purpose of considering amendments, appeals, and the approval of new building materials or methods, there is hereby created a Building Ordinance Commission.  The commission shall consist of eight (8) members appointed by the President of the County Board of Commissioners.  They shall serve with compensation.  One member of the Commission shall be the chairman of the Building Committee of the County Board, of the County Board, who shall be the chairman of the Building Ordinance Commission; another  member shall be the County Building Commissioner, who shall be the secretary of the commission.  He shall be an ex-officio member without the privilege of vote in those mattes  requiring voting.  Of the six (6) other members, one shall be a registered architect, one shall be a registered structural engineer, and one shall be a registered professional engineer, all of whom shall be licensed by the State of Illinois, and each shall have been a resident of Cook County for a period of at least six (6) months preceding the date of appointment.
5.2-2  Establishment of Sub-Committees
The chairman of the full commission shall establish three (3) standing sub-committees, each consisting of  three (3) members as listed below and   other sub-committees as he may deem necessary.  The standard sub-committees shall be:
a.  Sub-Committee on Appeals
b.  sub-Committee of Amendments
c.  Sub-Committee on Standards and Tests
The chairman of each sub-committee shall be appointed by the chairman of the full commission.  The sub-committees shall review  and make recommendations on those commission.  The sub-committees shall review and make recommendations on those matters forwarded to them by the secretary of the full commission
5.2-3  Appeals
a.  An appeal may be taken to the Building Ordinance Commission by any person, firm or corporate or by any officer, department board, or bureau aggrieved by a decision of the Building Commissioner.  Application for appeal may be made when it is claimed that:
(1)  The true intent of the Cook County Building Ordinance or the regulations adopted thereunder have been incorrectly interpreted; or
(2)  The provisions of the ordinance do not fully apply
The appeal shall be taken within such time as shall be prescribed by the Building Ordinance Commission by filing with the Building Commissioner, a notice of appeal specifying the grounds thereof.  The Building Commissioner shall, with seven (7) days of the receipt thereof, transmit to the Sub-Committee on Appeals all the papers  constituting the record upon which the action appealed from was taken.  This Sub-Committee shall thereupon hold a public hearing on the appeal with sixty (60) days of the receipt thereof.
b.  The Sub-Committee on Appeals shall make written findings of fact and shall submit same, together with its recommendations, to the Building Ordinance Commission for final action.  Such final action shall be taken not more than sixty (60) from the date of termination of the public hearing.
c.  All decisions and findings of the Building Ordinance Commission on appeals, shall in all instances be final administrative determinations  and shall be subject o review by court as by law may be provided.  A copy of such findings shall remain on file in the Office of the Building Commissioner as public records.
5.2-4  Amendments
a.  Proposed amendments to the Cook County Building Ordinance, shall be filed with the Building Commissioner, in such form and  accompanied by such information as shall be required by the Building Commissioner and the Building Ordinance Commission.  Such amendments shall be forwarded by the Building Commissioner to the Sub-Committee on Amendments.  This Sub-Committee shall thereupon hold a public hearing on the proposed amendment, within sixty (60) days of the receipt thereof, and report its subsequent findings to the full Commission.
b.  The Building Ordinance Commission shall not recommend the  adoption of a proposed amendment unless it finds that the adoption of such an amendment is in the public interest and is not  solely for the interest of the applicant.
c.  The Building Ordinance Commission shall make written findings of fact and shall submit same,  together with its recommendations to the County Board for final action.  If an application for a proposed amendment is not acted upon finally by the Board of Commissioners of Cook County with  sixty (60) days of the time of receipt of the Building Ordinance Commissioner's recommendations, it shall be deemed to have been denied.
5.2-5  Application for Approval of New Materials or Methods
a.  Submission of New Materials or Methods
Any person desiring to submit any  building materials,  methods or systems of construction, or arrangements of material to determine the adaptability or safety of such materials,  methods, systems or arrangements for building purposes, or to establish the safety qualifications of any substance for occupancy purposes -- such materials, methods, systems  or arrangements not having been provided for in the provisions of this ordinance and not having been previously approved for use by the Building Commissioner, or certified by the Building Ordinance Commission -- shall make application in writing  to the Building Commissioner setting forth the merits claimed, and the purposes desired, together with such laboratory tests and other supporting data as the applicant may wish to furnish.  If in the judgment of the Building Commissioner further evidence is necessary to ensure the adaptability or safety of such materials, methods, systems, arrangements, or  safety qualifications,  he may require further tests to be made or additional data to be submitted by the applicant.
b.  Recommendation by the Building Commissioner
Upon  the completion of his investigation of the tests and data submitted, the Building Commissioner shall report to the Sub-Committee on Standards and Test, the methods, systems, or arrangements of  of materials for construction  should be permitted in buildings erected under the provisions of this ordinance.  Such recommendation shall be in writing and shall set  forth the reasons relied upon in making such recommendation.
c.  Certification  by the Building Ordinance Commission
(1)  If, on consideration of the report and recommendation of the Building Commissioner, and on the basis of such further investigation as it may deem necessary, the Sub-Committee on Standards and Tests shall determine that such materials, methods, systems or arrangement  of materials for construction are satisfactory for use in buildings constructed under this ordinance, it shall report such findings to the Building Ordinance Commission, which, in turn shall certify this fact to the Building Commissioner, who shall record such certification in the records of the Building Department.  The Commission may, in its judgment, also submit such recommendations as it deems necessary to the County Board.
(2)  In addition, the Sub-Committee on Standards and Tests, upon the request of the Building Commissioner, is empowered and authorized to make such other analysis and recommendations of combinations of materials of standard practice in the building industry, and of mechanical equipment devices, and appurtenances relative to building construction and maintenance.
5.2-6  Meetings and Rules
All meetings of the Building Ordinance Commission, and respective Sub-Committees, shall be held at the call of the chairman and at such times as the Commission may determine.   A copy of every report or recommendation of the Building Ordinance Commission shall be filed immediately in the office other Building Commissioner and shall be a public record.  The Building Ordinance  Commission shall adopt its own rules and procedures, not in conflict with the provisions of this ordinance or with applicable Illinois Statues.
5.2-7  Periodic Review of the Ordinance
a.  In addition to the called meetings of the Commission, the Building Ordinance Commission shall meet not less frequently than annually, commencing two (2) years from the date of adoption of this ordinance, for the purposes of reviewing the ordinance in its entirety and suggesting necessary amendments to keep the provisions current, and coordinated with contemporary practice.  The Building Commissioner and his staff shall assist the Commission in this task.
b.  The secretary of the Building Ordinance Commission shall be responsible for preparing an annual report to the County Board of Commissioners appraising the current status of the Building Ordinance and the actions of the Building Ordinance Commission.

5.3  PERMITS, CERTIFICATES AND PLANS
5.3-1  Building Permits
a.  Permit Required
(1)  It shall be unlawful to erect, construct, alter, relocate or demolish or to commence the erection, construction, alteration, location, demolition of a building or structure or install equipment for the operation of the building or structure without first filing with the Building Commissioner an application in writing and obtaining a permit.
(2)  Permit shall also be required for all proposed construction, substantial improvements, or other development, including the placement of mobile homes within  floodplain areas having special flood hazards.
(3)  The building permit application will be reviewed to assure that any proposed construction within floodplain areas are:
(a)  Designed and anchored to prevent flotation, collapse or lateral movement of the structure
(b)  Constructed with materials and utility equipment resistant to flood damage
(c)  Constructed by methods and practices that minimize flood damage
(d)  At the time of issuance and/or prior to complying such building permits, the following information shall be noted and recorded:
(i)  Elevation of the lowest floor (including basement)
(ii)  Where the elevation of the lowest floor is below grade, on one or more sides, the elevation of the floor immediately above
(iii)  Where a structure has been floodproofed; the elevation to which the structure was floodproofed.
(e)  The Building Commissioner may, at his discretion, request additional drawings and documented sources of information to verity that construction location will be outside the floodplain or flood table areas.
(4)  Such permits, or placard indicating the possession of same, shall be posted in a conspicuous place upon the exterior of the premises for which it is issued, and shall remain posted at all times until the work is completed and approved.
b.  Prior Approval of Other Authorities
(1)  Central or Public Sewage Treatment Plants
No building permit shall be issued for the construction of a central or public sewage treatment plant until approval of the plans has been secured from the metropolitan Sanitary District and the Cook County Department of Public Health.
(2)  Hospitals and Nursing Homes
No building permit shall be issued for the construction of a hospital or nursing home until a permit for such construction has been granted by the State of Illinois Department of Public Health
(3)  No building permit shall be issued for construction in a floodplain until Plan approval (when applicable ) has been secured from the following agencies:
United States Corps of Engineers
Illinois Department of Transportation, Division of Water Resources
Illinois Environmental Protection Agency
Metropolitan Sanitary District of Greater Chicago
North Cook County Soil and Water Conservation District
Will-South Cook County Soil and Water Conservation District
Cook County Clerk's Office  Map Department
Cook County Health Department
Cook County Zoning Board of Appeals
c.  Exceptions
(1)  Ordinary repairs to buildings may be made without application or notice to the Building Commissioner, subject to the provisions of Section 4.7; however, such repairs shall not include the cutting away of any wall, partition, or portion thereof, the removal, replacement or cutting of any structural support, or the removal or change of any required  means of egress, or rearrangement of parts of a structure affecting the exit requirements;  nor shall ordinary repairs affect  the light or ventilation, room size requirements, sanitary or fire-resistive requirement, use of materials not permitted by the provisions of this ordinance, nor increase the height  area or capacity of the building, not any alterations or repair of any electrical wiring or equipment other than potable lamps and appliances.
(2)  Residential Exterior Siding
d.  Completion of Work Heretofore Authorized
Nothing in this ordinance shall require changes in the plans, construction, or designated use of a building or structure o portion thereof for which a lawful permit has been  heretofore issued on which has been otherwise lawfully authorized, and the construction of  which shall have been actually begun with ninety (90) days after the effective date of this  ordinance and which entire building or structure shall be completed, as authorized within two (2) years thereafter.
e.  Application Form
An application for a permit shall be submitted in such form as the Building Commissioner may prescribe.  Such application shall contain the full names and addresses of the applicant and of the owner, and, if the owner is a corporate body, of its responsible officer, and the complete legal description of the area  to which the permit application pertains, and also, the real estate index number of the legally described property.  The information as may be required by the Building Commissioner.
f.  Those Authorized to Make  Application
Applications shall be made by the professional responsible for the design of the proposed work.
g.  Amendments to Application
Nothing in this ordinance shall prohibit the filing of amendments to an application or to a plan or other record accompanying same, at any time before the completion of the work for which the permit was issued.  Such amendments shall be filed with and be deemed a pat of, the original application if approved before the certificate of compliance has been issued, otherwise a new application for the alteration shall be made and a permit secured.
h.  Plans to Accompany Application
Applications for permits shall be accompanied by drawings of the proposed work, drawn to scale, showing when necessary, floor plans sections, elevations, structural details, computations, and stress  diagrams, as the Building Commissioner may require and as specified in Section 5.3-2 herein..
i.  Approval of Zoning Administrator
Applicants shall obtain the approval of the Zoning Administrator, in the form of a zoning certificate, on all drawings and plans for the construction, erection, addition to, relocation or alteration of any building or other structure for which a building permit is required, prior to the issuance of such building permit by the Building Commissioner.
j.  Action on Application
The Building Commissioner shall examine or cause to be examined all applications for permits and amendments thereto within a reasonable time after filing.  If the application  or the plans do not conform to the requirements  of all pertinent ordinances and laws, said commissioner shall reject such application in writing stating the reasons therefor.  If the proposed work conforms to the requirements of the Cook County Building Ordinance, and all laws and ordinances applicable thereto, he shall issue a permit.  The permit shall contain the complete legal description of the area to which the permit pertains and, also, the real estate index number of the legally described property.  One copy of the permit shall be submitted to the applicant, one copy shall be retained in the files of the Building Department and within 15 days one copy of the permit shall be submitted to the Town-Department and within fifteen (15) days, one copy of the permit shall be submitted to the Township Assessor of the township in which the property is located and one copy to the County Assessor.
k.  Revocation of Permit
The Building Commissioner may revoke a permit in the event there has been any false statement or misrepresentations to a material  fact in the application of plans on which the permit was based.
l.  Approval of Plans in Part and Temporary Permit Issuance
The Building Commissioner may issue a temporary permit for alterations, relocation or demolition of existing structures and for the construction of foundations before the entire plans and specifications for the whole building have been submitted, provided adequate information and detailed statements have been filed complying with all the pertinent requirements of this ordinance.  The  holder of such permit shall proceed at his own risk with the building operation and without assurance that the final permit for the entire structure shall be granted.
m.  Permit for Demolition or Relocation
(1)  Service Connections
Before a building may be demolished or relocated, the owner or agent shall notify all utilities having service connections within the building, such as water, electric, gas, sewer and any other connections.  A permit to demolish or relocate a building shall not be issued until a release  is obtained  from the utilities concerned, stating that their respective service connections and appurtenant equipment, such as meters and regulators, have been removed or sealed and plugged in a safe manner.
(2)  Relocation
No permit to relocate a building or structure shall be issued until notice of application thereof shall have been given to the owner of cables, wires, or other impediments the temporary removed of which will be necessary and an opportunity has been given said owners to be heard upon such application..
(3  Bond for Demolition
(a)  Before any permit is issued granting authority to demolish a building or structure, the person  engaged in such work shall file with the County Clerk a bond with sureties to be approved by the County Comptroller to indemnify, keep and save harmless the County of Cook against any loss, cost, damage, expense, judgment, or liability of any kind whatsoever which the County may suffer or which may accrue against, be charged to, or be recovered from said County or any of its officials from or by reason or on account of accidents to persons or property during any such demolition operations, and from or by  reason or on account of anything done under or by virtue of any permit granted for any  such demolition operation.  However, the required bond shall be waived in the event the  building or structure to be demolished does not exceed twenty (20) feet in height nor six hundred twenty-five (625) square feet in area, is of construction types IV or V, and is to be demolished by the owner of such building or structure.
(b)  Such bond in each case shall extend to and cover all such demolition operations carried on through permits obtained thereunder by such person during any year beginning January first and ending December thirty-first (31) and no permit shall be issued for any wrecking work, except as herein before otherwise provided, during such year until such bond is filed.  Said bond shall be in the penal sum of twenty thousand dollars ($20,000) for all  wrecking operations on such buildings and other structures not more than three (3) stories in height, and there shall be an additional bond filed in the penal sum of twenty thousand dollars ($20,000) or a  bond in the penal sum of  forty thousand dollars ($40,000 shall be filed in the first in stance, in case of wrecking  operations on buildings and other structures four (4) or more stories in height, and there shall  be an additional bond filed in the penal sum of five hundred  dollars ($500) conditioned upon the restoring and leveling of the premises upon which such wrecking operations have been completed.
(c)  Upon the filing of such  bond or bonds, the person engaged in the work of demolishing such buildings and other structures may obtain permits for such wrecking operations as are authorized under said bond or bonds as herein above provided for  during the year in which the same is or are filed; provided, however, that in case of accident or casualty in the progress of any wrecking operations carried on under any permit so issued, or the happening of any circumstance  which might, in the opinion of the Building Commissioner, render such bond or bonds inadequate, the said Building Commissioner may, in his discretion, require such additional bond as he may deem necessary to fully protect the County of Cook from loss resulting from the issuance of such permits before he allows the work to proceed or before any additional permits are issued by him.
 n.  Compliance with Permit
(1)  All work performed under a permit issued by the Building Commissioner shall conform to the approved application and plans and any approved amendments, thereto.  It shall be unlawful for any owner, agent, architect, structural engineer, contractor, or builder engaged in erecting, altering or repairing any building to make any departure from the drawings or plans as approved by the Building Commissioner, of a nature which involves any violation of the provisions of this ordinance on which the permit has been issued.  Any such departure from the approved drawings or plans involving a violation of requirements shall operate to annual the permit which has been issued for such work and shall render the same void.
(2)  Where any work done under a permit authorizing erection, alteration or repair of a building   or structure is being done contrary to the approval drawings and plans, the Building Commissioner shall  have the power  to stop such work at once and to order all persons engaged thereon to stop and desist therefrom.  The work shall not be resumed until  satisfactory assurance has been given to the Building Commissioner that it will be according to the approved drawings and plans.
(3)  No person shall begin any work for  which a building permit is required or any work of excavation in preparation therefore until the permit has been obtained.  If any person violates this Section the Building Commissioner shall order his work stopped at once and enforce that order in addition to the penalty for violation.
o.  Commissioner's Signature
Every permit issued by the Building Commissioner under he provisions of this ordinance shall have his signature affixed thereto; but this shall not prevent him from authorizing a subordinate to affix he Building Commissioner's signature
p.  Expiration of Permit
If, after a building permit or other required permit shall have  been granted, the operations called for by such permit are not begun with in twelve (12) months after the date thereof, such permit shall be void and no operations thereafter shall be begun until an extended  permit shall betaken out by the owner or his agent.  An extended permit shall be valid for six (6) months following the date of expiration of the original permit and must be applied for with ten (10) days after  the expiration of the original permit.  One extension  only shall be granted, and if work is not begun with eighteen (18) months after the date of issuance of the original permit, all rights under the permit shall thereupon terminate.  Where, under authority of a cumulative period of twelve (12) months, all rights under such permit shall thereupon terminate.


5.3-2  Building Plans and Drawings

a.  Submission of Plans
All plans and drawings for buildings, structures and equipment shall be presented to the Building Commissioner for his approval.  Each st of plans presented shall be approved by the Building Commissioner before a permit will be granted.  All such plans and drawings shall be submitted in accordance with the requirements of this Section and applicable requirements specified in rt C of this ordinance; in addition, all plans, drawings shall comply with any rules and regulations established by the Building Commissioner.  However, plans may be  waived for minor alterations not involving structural changes, and for residential accessory buildings of not over six hundred twenty-five (625) square feet in area,if sufficiently described in the application.
b.  Signature of Architect or Engineer
No plans shall be approved for permit unless such plans are signed and sealed either by a registered architect, a registered structural engineer, or a registered professional engineer, licensed by the State of Illinois; provided, however, that the person who signs and seals such plans shall be permitted to do so within the  limitations of the particular ac under which he is licensed to practice; and each licensed professional shall sign and seal those portions of drawings for which he is responsible.
c.  Compliance with Ordinance
It shall be the duty of the Building Commissioner, to require that all drawings and plans submitted to him for approval, for any building or structure, shall be accompanied by a certificate of the architect, structural engineer, or professional engineer preparing such drawings and plans, that said drawings and plans comply with the requirements of the provisions of this ordinance.
d.  Preliminary Drawings and Plans
The Building Commissioner may, in his discretion, review and approve preliminary drawings and plans, a true  copy of which shall be filed with the Building Commissioner, before the entire working drawings and plans and detailed statements of said building have been completed and submitted for permit,  if such preliminary drawings and plans and detailed statements shall be of sufficient clarity to indicate the nature and character of the work proposed and to show their compliance with the provisions of this ordinance; provided, however, that  the complete working drawings and plans shall be submitted to the Building Commissioner before actual construction is begun.  The Building Commissioner  shall examine the completed drawings and plans and, if approved, shall issue a permit therefor.
e.  Filing of Plans
True copies of the drawings and plans bearing the approval stamp of the Building Commissioner shall be filed with the Building Department and shall remain on file in the office for a period of  six (6) months after the occupation of such building, after which, upon demand, such drawings and plans shall be returned by the Building Commissioner to the person by whom they have been deposited.  It shall not be obligatory upon the Building Commissioner to retain such drawings and plans in his custody7 for more than six (6) months after the certificate of compliance has been issued.
f.  Plans and Permit at Construction Site
In all construction work for which a permit is required, the approved and stamped drawings, plans and permit shall be kept on file at the construction site while the work is in progress.
g.  Deviation from Approved Drawings
It shall be unlawful to erase, alter, or modify any lines, figures or coloring contained upon drawings or plans bearing the approval stamp of the Building Commissioner.  If during the progress of such work, it is desired to deviate in any manner affecting the construction or other essentials of the building from the terms of the application, drawing, or plan, notice of such intention to alter or deviate shall be given to the Building Commissioner, and an amended drawing or plan showing such alteration or deviation shall be submitted for his approval; his written approval shall first be obtained before such alteration or deviation shall be made.
h.  Accompanying Plats
Every application for a permit for the erection of, alteration of, addition to, demolition of, or relocation of any building or structure shall be accompanied by:
(1)  a plat, in triplicate, of the piece or parcel of land lot, lots,  block or blocks, or parts or portions thereof, drawn to a scale showing the actual dimensions and certified by a Registered Land Surveyor licensed by the State of Illinois as a true copy of the piece or parcel lot, lots, block or blocks, or portions thereof, according to the registered or recorded plat of such land; and
(2)  a plat, in triplicate drawn to scale in such form as may, from time to time, be prescribed by the County Zoning Administrator, after consultation with the Building Commissioner, showing the ground area, height, and bulk of the building or structure and such other information as may be required for the proper enforcement of the Cook County Building Ordinance and the Cook County Zoning Ordinance.
5.3-3  Certificate of Compliance
a.  Contents of Certificate
No building or structure shall be occupied or used, in whole or in part, until a certificate of compliance  shall have been issued by the Building Commissioner and posted  on the premises, stating the purpose for which building may be used in its  several parts, the maximum permissible live loads on the several floors,the number of occupants that the maximum permissible live loads on the several floors, the number of occupants that may be accommodated in the several stories, in case such number is limited by a provision  of law or by  the permit, and all special stipulations of permit, if any.  The certificate  shall, also certify compliance with the provisions of this ordinance.
b.  Temporary Certificate
Upon request of the holder of a permit, or of the owner, the Building Commissioner may issue a temporary certificate of compliance for building or structure or part thereof,   before the entire work covered by the permit shall have been completed, provided such portion or portions may be occupied safely  prior to full completion of the building without endangering life or public welfare.     Whenever a building is occupied under the provisions of this section, all objections outstanding on said Temporary Certificate,  shall be corrected within thirty (30) days, weather conditions permitting.  The building permit holder or owner or his agent shall be present on all inspections necessary to assure compliance with the County Ordinances.  The Building Commissioner or his assigned deputy is authorized to make reasonable inspections of the premises at reasonable hours to assure completion of all outstanding work.   The fee to be charged for a Temporary Certificate of Occupancy hereunder shall be $10.00 per dwelling unit with a minimum of $25.00
c.  Certificate for Altered Buildings or Structures
No building or structure enlarged or extended or so altered, wholly or in part, as to change its classification or occupancy and no altered building or structure for which a certificate of compliance has not been  heretofore issued, shall be occupied or used in whole or in part, until  a certificate of compliance shall have been  issued by the Building Commissioner; provided that if the occupancy or use of such building was not discontinued during the  work or alteration, the occupancy or use of the building or structure shall not continue for more than thirty (30) days after completion of the alterations unless such certificate shall have been issued.
d.  Certificate for Change of Occupancy
(1)  No change of occupancy shall be made in a building or structure that is not consistent with the last issued certificate of compliance for such building or structure, unless a new certificate of compliance is secured.
(2)  The occupancy of a building or structure shall not be deemed to have changed because of a vacancy of six (6) months or less or change of ownership or tenancy.  The re-establishments in a building o r structure, after a change of occupancy has been made, of a prior use which would not be permitted in a new building or structure of the same type of construction, is prohibited.
e.  Issuance of Certificate of Compliance
No certificate of compliance shall be issued until construction has been completed and the premises inspected and certified by the Building Department to be in conformity with the plans and drawings upon which the building permit was used.  All facilities relating to water and sewerage system shall have been completed before  the issuance of a certificate of compliance.  A certificate of compliance shall b issued, or written notice shall be given to the applicant stating the reasons why a certificate cannot be issued, not later than fourteen (14) days after he Building Department is notified in writing that the building or premises is ready for occupancy.
5.3-4  Registration of Multiple Buildings - Definitions
For the purpose of this Section, only the following words shall have the following meanings:
a.  "Building"
 shall mean a structure, or part thereof, enclosing space designated or used for four or more family units, or designed or used for  sleeping accommodations, other than family units, for ten (10) persons or more.
b.  "Condominium"
shall mean buildings subject to the Illinois Condominium Property Act, 765 ILCS 605/1 et seq.
c.  "Cooperative"
shall mean a multiple dwelling complex owned by a cooperative corporation, organized  pursuant to 805 ILCS 310/1 et seq.
d.  "Department"
means the Cook County Department of Building and Zoning
e.  "Mortgage"
shall mean any consensual interest or consensual lien created by a written instrument which grants or retains an interest in realty to secure a debt or other obligation.  Real Estate installment sales contracts shall be  deemed mortgages for the  purpose of this section.
f.  "Owner"
shall mean the legal title holder or contract purchaser if ownership of the property is subject to a real estate installment sales contract.
II  Exemption of Condominiums and Cooperatives
Condominiums and cooperatives shall be exempt from the provisions of this Section, unless a person, partnership, trust or corporation directly or indirectly, owns or controls
(i)  Five or more of the condominium or cooperative units
(ii)  Fifty percent or more of the condominium or cooperative units or
(iii)  Fifty percent to more than the voting power in the condominium association as defined by the condominium declaration;  or fifty percent or more of the voting power in the cooperative as defined by the agreement establishing the cooperative.  Indirect ownership or control includes ownership or control by spouses (unless legally separated or divorced)  or by children or adopted children; ownership of fifty percent or more of the stock of a  corporation which owns an interest in the realty and ownership of a proportionate interest, in a partnership or trust which owns an interest in the realty.

III  Registration Required
The owner of any building shall file a registration statement with the Department of Building and Zoning on forms provided by the Department for such purpose for each building owned.  Registration statements shall be deemed prima facie proof of the statement therein  any administrative enforcement proceeding or court proceeding instituted by the County against the owner of the building.    The registration statement shall include the following information:
a  The name, street address and telephone number of each owner of the building.    If the owner is a partnership, corporation, trust or voluntary unincorporated association, the statement shall also include the name, street address, telephone number and shall identify a responsible partner or officer.  If the owner is  a corporation, the statement shall also include the name, street  address and telephone number of the registered agent of the corporation:
b.  The name, street address and telephone number of a mature person, 21 years of age or older, designated by the owner as the authorized agent for receiving notices of Ordnance violations and for receiving process in any court proceedings or administrative enforcement proceeding on behalf of the owner in connection with enforcement of this Ordinance.  This person must reside within Cook County, Illinois or in a county contiguous  with Cook County.  An owner who is a natural person and who meets the requirements of this subsection as to location of residence may designate himself as agent;
c.  The name, street address  and telephone number of any person other than the owner, who, on behalf of the owner, manages or controls the building.  The name, street address and telephone number of any person other than the owner, who, on behalf of the owner, or acts as an agent for the owner by being authorized to have physical control over the building and who is available by telephone on a 24 hour basis to respond to building maintenance emergency calls.  This person must reside within Cook County, Illinois, or in a county contiguous with Cook County;
d.  The name, street address and telephone number of each lending institution or party holding a mortgage on the property, if any;
e.  The street address and property index number of the building and the number of family  dwelling units  contained in the building.
 For the purposes of this section, a post office box is not sufficient as an address.
IV  Time of Registration
The owner of a building shall resister the building with the Department no latter than June 1st for the initial year and no later than September 15th for each year thereafter.  The  registration fee shall be $50 for the initial registration of each building registered, and shall be $25 per year for each renewal thereafter.  The registration fee shall not be prorated and is not refundable.  If registration shall lapse for more than one year, the fee will revert to the initial registration fee of $50.  The owner shall certify to the Department of Building  and Zoning  that the information provided on the registration is true and correct.  Upon any change of ownership, or change of any other person require dot be included in the registration statement filed pursuant to  Section III of this Ordinance, the owner or new owner shall submit a new registration and $50 initial registration fee with 45 days of becoming the owner of record.   Upon registration and payment of the fee, the Building Commissioner shall issue a certificate of registration to the owner which shall certify that the owner has registered the building in compliance with Section III.
V.  Amended Registrations
The owner of a building required to register under this Section shall notify the Department of Building and Zoning of any change in registration  information other than change of owner, by filing an amended registration statement on a form provided by the Department for the purpose within twenty business days of the occurrence of the change.  There shall be no additional fee for  filing an amended registration statement.
VI.  Registration Records
The Building Commissioner shall maintain all building registration records.  These records shall  consist of the registration  information obtained under this Section and shall be solely and exclusively gathered and maintained by the Department for administration and enforcement purposes consistent  with this Ordinance.  The information shall be held as confidential information and shall be exempt from public disclosure except as may be required by law, and shall be provided only to authorized County Officials and employees  and their agents.
VII.  Notice of Violations
By designating an authorized agent under this Section the owner consents to receive any and all notices of violations concerning the registered building, and all process in any court proceedings or administrative proceeding brought to enforce the Ordinance concerning the registered building y service of notice or process on the authorized agent.   Any owner  who has designated an authorized agent shall be deemed to consent to the continuation of that agent's designation for the purposes of this Ordinance until the owner notifies the Department of Building and Zoning of a change of authorized agent.   Any owner who fails to register a building or fails to name an authorized agent shall be deemed to consent to receive,by posting at the building, any and all notices of Ordinance violations concerning the building.
VIII.  Enforcement
(a)  The Building Commissioner shall enforce the provisions of this Section and, in addition to any remedies provide by law including institution of proceedings in the Violations Division of the Department of Building and Zoning, may request prosecution by the Cook County State's Attorney of owners who fail to comply.
(b)  The Building Commissioner may refuse to issue any permit for any construction alterations, installation, razing or other work requiring a permit under any other provisions of this Ordinance, or may refuse to grant any certificate of compliance in accordance with any  other provisions of this Ordinance, for failure to register a building under this Section.  Presentation of a current certificate of registration shall be proof of compliance.
IX.  Penalties
(a)  Each day that any building is not registered in accordance with as required by this Section shall constitute a separate and distinct offense.
(b)  In addition to any other penalties provided in this Section, any person convicted of violating this Section shall be fined not  less than $50 nor more than $200 for the first offense, and not less than $100 nor more than $300 for the second and each subsequent offense, in any 180 day period.
(b)  The intentional submission of false information on a registration statement or an amended registration statement shall be an offense punishable by a fine of not less than $100 nor more than $500.  each day that such information remains uncorrected by the owner shall constitute a separate and distinct Offense.
X  Severability
If  any section, subsection, paragraph, sentence, clause or word of this Ordinance shall be held to be invalid, either on its face or as applied, the invalidity of such provision shall not affect the other sections, subsections, paragraphs, sentences, clauses or words of this Ordinance, and the applications thereof; and to that end the sections, subsections, paragraphs, sentence, clauses and words of this ordinance shall be deemed severable.  (Added Spetember 6, 1995).

5.4  ENFORCEMENT
5.4-1  General
No building permit or certificate of compliance shall be approved or issued until all applicable provisions of this ordinance have been complied with.
5.4-2  Department Liability
In all cases where any action is taken by the Building Commission, or his duly appointed representative, to enforce the provisions of this ordinance, such acts shall be done in the name of and on behalf of Cook County and the said Building Commissioner or representative in so acting for the County shall not render himself liable personally.  He is hereby relieved from all personal liability from any damage that may accrue to persons or property as a result of any such act committed in good faith in the discharge of his duties.  An such suit brought against said Building Commissioner or his representative by reason thereof shall be defended by the State's Attorney's office.  The Building Commissioner or his representative shall be saved harmless from all costs or fees arising from such legal action.

5.4  ENFORCEMENT

5.4-1  General
No building permit or certificate of compliance shall be approved or issued until all applicable provisions of this ordinance have been complied with.
5.4-2  Department Liability
In all cases where any action is taken by the Building Commissioner or his duly appointed representative to enforce the provisions of this ordinance such acts shall  be done in th name of  and on behalf of Cook County, and the said Building Commissioner or representative in so acting for the County shall not render himself liable personally.  He is hereby relieved from all personal liability from any damage that may accrue to persons or property as a result of any such act committed in good faith in the discharge of his duties.  Any such suit brought against said Building Commissioner or his representative  by reason thereof shall be defended by the State's Attorney's office.  The Building Commissioner or his representative shall be saved harmless from all costs or fees arising from such legal action.
5.4-3  Methods of Enforcement (test update)
 (refer to the main ordinance book for documentation)





ARTICLE VI  -- CLASSIFICATION OF BUILDINGS

6.1  CLASSIFICATION BY OCCUPANCY

 Every new or existing building or structure shall, for the purpose of this ordinance be classified on the basis of its use or occupancy, in one of the occupancy classes listed below.  "Use or occupancy" is determined by one or more of the following factors: type or intensity of activity housed, fire severity hazard in respect to combustible contents involved.  Note:  Any building which  is designed, or used for, or houses two (2) or more occupancies, uses or activities shall be classified as:  Class K Building of Mixed Occupancy, as prescribed herein.

CLASS A.  RESIDENTIAL BUILDINGS

        Class A1   Single-Family Dwellings

A residential building designed or used as living quarters for not more than one family shall be classified as a Single-Family Dwelling (Class A1)

Class A2  Multi-Family Dwellings

A residential building designed or used as living quarters for two (2) or more families or designed or used for sleeping accommodations for other than families, shall be classified as a Multiple-Family Dwelling (Class A2).  Multiple-Family dwellings shall include, among others, the following:

Apartment Hotels                        Monasteries
Convents                                    Motels
Dormitories                                Sorority Houses
Fraternity Houses                        Tourist Homes
Hotels                                        Two-Family Dwellings
                    Lodging Houses


NOTE:   Refer to the complete Cook County Ordinances for descriptions of  the following building classifications:
Class B    Institutional Buildings
Class C    Assembly Buildings and Structures
Class D    Educational Buildings
Class E    Office Buildings, Business and Professional
Class F    Commercial Buildings
Class G    Industrial Buildings
Class H    Storage Buildings
Class I    High Hazard Buildings
Class J    Unclassified Buildings and Structures
Class K    Buildings of Mixed Occupancy

6.2  CLASSIFICATION BY CONSTRUCTION TYPE
Every new or existing building or part thereof shall, for the purpose of this ordinance, be classified under any one, or a combination, of five (5) general construction types and the fire resistance which they afford, as follows:

TYPE I.    FIRE-RESISTIVE CONSTRUCTION

a.  Type I construction shall be that construction of which the structural elements are composed of incombustible materials affording sufficient fire resistance to prolonged fire exposure to meet the fire-resistive ratings specified in Part B and in Article XX.   Type I construction shall consist of three (3) sub-types, as listed below, which are distinguished by degree of fire resistance.
Type IA
Type IB
Type IC
b.  Subject to other applicable provisions contained in this ordinance, combustible material may be used in buildings of Fire-Resistive Construction for the following purposes:
(1)  Doors, door frames, and stops
(2)  Windows and window frames
(3)  Interior trim, including furring and attachments
(4)  Finished flooring and sleepers
(5)  Frames, platforms, an aprons of exterior show windows at street level
(6)  Handrails
(7)  Interior wall and ceiling finishes
c.  Fire-Retardant Treated Wood may be used as specified in Table 20.7.2

TYPE II   UNPROTECTED METAL FRAME CONSTRUCTION

a.  Type II construction shall be that construction of which the structural elements are composed of incombustible materials (steel or other metals) which are generally unprotected from fire exposure, except as specified in Part B, and in Article XX.
b.  Subject to  other applicable provisions contained in this ordinance, combustible material may be used in buildings of Unprotected Metal frame Construction for the following purposes:
(1)  Doors, door  frames, and stops
(2)  Window and window frames
(3)  Interior trim, including furring and attachments
(4)  Finished flooring and sleepers
(5)  Frames, platforms and aprons of exterior show windows at street level
(6)  Handrails
(7)  Interior wall and ceiling finishes
c.  Fire-Retardant Treated Wood may be used as specified in Table 20.7-2

TYPE III    HEAVY TIMBER CONSTRUCTION

Type III construction of which the interior structural elements are composed generally of heavy timer having the required dimensions specified in Part B, and in Article XX, and the exterior structural elements are composed of incombustible materials providing fire resistance as stipulated in Part B, and in Article XX.

TYPE IV   ORDINARY MASONRY CONSTRUCTION

Type IV construction shall be that construction of which the interior structural elements are composed generally of combustible materials (as light wood) having dimensions less than those required for heavy timber construction, and the exterior structural elements are composed of masonry or other incombustible materials affording fire resistance as specified in Part B and in Article XX.   Type IV construction shall consist of two (2) sub-types, as listed below, which are distinguished by degree of fire resistance

Type IVA
Type IVB


TYPE V   WOOD FRAME CONSTRUCTION

Type V construction shall be that construction of which all structural members are composed of wood or other combustible materials, having dimensions less than those required for heavy timber construction.   Type V construction shall consist of two (2) sub-types, as listed below, which are distinguished by degree of fire resistance

Type VA
Type VB

6.3  DETERMINATION OF CONSTRUCTION TYPE
The determination of proper construction type shall be based upon the desired building height and area, and the desired separation between buildings.


6.4  DOUBTFUL CLASSIFICATION
Whenever there is any uncertainty as to the classification of a building, in respect to either occupancy or construction type, the Building Commissioner shall fix the classification within which it falls, basing his determination on all factors involved.



ARTICLE VII
CONFLAGRATION HAZARD DISTRICT

Index
7.1        CONFLAGRATION HAZARD DISTRICT ESTABLISHED

7.2        BUILDING RESTRICTIONS

7.2       CONFLAGRATION DISTRICT MAP


7.1  CONFLAGRATION HAZARD DISTRICT ESTABLISHED
For the purpose of lessening the possibility of conflagration or fire spread between  buildings in close proximity, a conflagration hazard district is hereby established, within which conflagration hazard district certain types of construction are prohibited, as specified in Section 7.2, hereunder.  All property lying within the C1, C2, C3, C4, and C5 zoning districts, as delineated in the Book County Zoning  Ordinance, shall be construed as being within the conflagration hazard district.


7.2  BUILDING RESTRICTIONS
7.2-1  Building Restrictions
Within the conflagration hazard district, buildings and structures of types VA and VB Wood Frame construction shall not be erected hereafter, with the exception of the following accessory structures:
a.  Fences not exceeding eight (8) feet in height
b.  Temporary platforms, reviewing stands, builder's shanties, and similar temporary  structures erected for a limited time, as approved by the Building commissioner.
c.  Greenhouses not more than fifteen (15)  feet in height erected on the same lot as, and accessory to, a store
d.  Parking lot offices not more than ten (10) feet in height and not more than 120 square feet in area, and located not less than six (6) feet from lot lines or any other building.
e.  Wall signs affixed flat against the building
f.  Ground signs not exceeding fifteen (15) feet in height nor 225 square feet in area.
g.  Storm enclosures not exceed twelve (12) feet in height nor more than three (3) feet wider than the entrance doors which they serve.
h.  Private, accessory garages not exceeding 1,000 square feet in area, with floor construction providing fire  resistance of not less than two (2) hours and located not less than three (3) feet from the interior lot line and not less than six (6) feet from any other buildings on the same lot.
i.  Boathouses not exceeding 1,000 square feet in area nor twenty-five (25) feet in height.
j.  One story buildings of construction type VA, not exceeding 2,000 square feet in floor area and located not less than thirty (30) feet from all interior lot lines.
k.  One story buildings of construction type VB, not exceeding 2,000 square feet in floor area and located not less than sixty (60) feet from all interior lot lines.
7.2-2        Roof covering of buildings within the conflagration hazard district shall be of Class A or Class B materials, as established in Part B.  Within the conflagration hazard district no existing building of construction types VA or VB shall be increased in height or area unless it is altered to comply with the type of construction permitted within the conflagration hazard district.
7.2-3      No building of construction type VA or VB shall be moved from outside the conflagration hazard district to within the conflagration hazard district, or from one lot to another within the conflagration hazard district.
7.2.4        A building or structure shall be deemed to be within the conflagration hazard district if one-third (1/3) or more of the area of such building or structure is located therein.  Nothing in this  Article shall be interpreted to prevent the application of location limitations required by the Cook County Zoning Ordinance.

7.3  CONFLAGRATION DISTRICT MAP
The County Clerk of the County of Cook shall prepare or cause to be prepared a master map on which shall be accurately indicated the area and boundaries of the conflagration hazard district established by this ordinance.  He shall correct the map so as to accurately portray the conflagration hazard district whenever a change is made, and supply a copy of the corrected map to the Building Commissioner, the Building Ordinance Commission and the Zoning Administrator.



ARTICLE VII   CONFLAGRATION HAZARD DISTRICT
  CONFLAGRATION HAZARD DISTRICT
Index
7.1        Conflagration Hazard District Established
7.2        Building Restrictions
7.3        Conflagration District Map

7.1  CONFLAGRATION HAZARD DISTRICT ESTABLISHED
For the purpose of lessening the possibility of conflagration or fire spread between buildings in close proximity, a conflagration hazard district is hereby established, within which conflagration hazard district certain types of construction are prohibited, as specified in Section 7.2, hereunder.  All property lying within the C1, C2, C3, C4 and C5 zoning districts, as delineated in the Cook County Zoning Ordinance, shall be constructed as being within the conflagration hazard district.