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VIII '.' il . 39 8. (a). In garages exceeding 600 square feet in area, direct fired heating appliances, other than unit heaters located at least 8 feet above the floor, shaU be located in a room used for no other purpose and cut off from the garage by noncombustible construction having a fire resistance rating of not iess than 3 hours. Opening::; hi the above mentioned cut-offs shall be restricted to those necessary for heating, pipes and ducts. ". . '. Heating. (b). Walls, floors and ceilings which effect such separation shall be continuous and unpierced by openings of any kind; pro- vided that door openings equipped with self-closing fire doors lead- ing to salesrooms or offices that are operated in connection with such garages shall not be prohibited; and provided also that the use of elevators and stairways to other stories accessible only by vestibules or balconies, constructed and arranged as required for fire towers, shall be permitted. 5. Truck loading or unloading area. A truck loading or un- loading area within a building occupied as a store shall be sepa- rated from other parts of the building by construction having a fire resistance rating of not less than one hour, and any load bearing part of the building within the loading area shall also have a fire resistance rating of not less than one hour. 6. Ramps. Ramps connecting floors of garages, which are not considered as required exit ways under section 15, need not be en- closed in sprinklered garages, nor in open air parking garages. 7. Floors. Garage floors of other than earth construction which drain to sewers or storm drains shall be provided with an oil separator or trap. Where floor areas are extensive, a series of such drains shall be provided. The contents of oil separators or traps shall be collected at frequent intervals and removed from the premises. Floors in repair sections shall be concrete or other ma- terials that may be readily cleaned. following respects (1) Section '..__..00___' paragraphs " ....-----... and ."___no, amended as follows: Note.-Amendments deemed necessary should be inserted. \. ..... ... . . Section 8. Date of Effect. . This ordinance shall take effect sixty days after its approval as required by.1aw. . N ote.-Only in unusual circumstances should a building code, which affects so many interests, and these so extensively, be made to take effect immediately upon enactment. A fair a\lowance would seem to be sixty days. This should give ample time to complete the develop- ment of plans, the preparation of which was begun before the adoption of the code, and on which considerable money had already been expended. 'I '. 4. square feet in area. (a) A garage exceeding 3,000 square feet in area may be lo- cated within or attached to a building occupied for any other pur- pose provided it i~ separated from such other occupancy by masonry walls having a fire resistance rating of not less than 3 hours and by floors and ceilings of fireproof construction or semifireproof construction. . . Garages exceeding 3,000 3. Garages not exceeding 3,000 square feet in area. A garage not exceeding 3,000 square feet in area may be attached to or form a part of any building provided separation from other occupancies shall be by walls and floor and ceiling constructions of at least one- hour fire resistance, and with all connecting openings provided with self-closing fire doors. Floors shall be without pits or depressions. Section Amendments The said code is amended and 7. e. Made in Said Code. changed in the are e e (b). Openings from the bUilg into garage shall be re- stricted to a single doorway; such opening shall be provided with a metal, metal covered or solid wooden door of not less than 1~ inches nominal thickness equipped with an approved self-closing device. (c) Floors shall be without pits or depressions.