[Acts 1921, p. 441. In force March 10, 1921.]

7441u. Dry cleaning defined.-1. For the purposes of this act a dry-cleaning and dry-dyeing business is hereby defined to be the business of cleaning or dyeing garments of any kind, cloth, feathers or any sort of fabrics or textiles by the use of carbon bisulphide, gasoline, naptha, benzine, benzol, or other light petroleum or coal tar products or inflammable liquids, or cleaning or dyeing any of the above described articles, fabrics or textiles by processes known and commonly designated as dry-cleaning, spongeing, and dry-dyeing, and wherein as [an] inflammable bolatile [volatile] substance or liquid is used in such process.

7441v. Permission by fire marshal.-2. No room or structure shall be used for the business of dry-cleaning or dry-dyeing as above defined, or for the storage of inflammable or volatile substances for use in such business until an application for permission to do so shall have been filed with and approved by the state fire marshal of the State of Indiana; and on blanks provided by him for that purpose.

7441w. Filing and inspection fee.-3. Upon the filing of every such application, the applicant shall pay to the state fire marshal a filing and inspection fee of twenty-five dollars ($25.00).

7441x. Inspection.-4. When an application is filed with the state fire marshal and the fee paid as above mentioned, the state fire marshal, his deputies or assistants shall make an inspection of such building, rooms and structures so to be used, and if the same conform to the requirements of law, then the state fire marshal shall issue a permit to the applicant for the conduct of such business, which permit shall extend until the first day of January next after the date of the issuing of same.

7441y. Renewal of permits-Fee.-5. The permits may be renewed at any time within thirty days after the termination thereof, by the filing of an application for such renewal and the payment of a fee of fifteen dollars ($15.00) therefor, provided the applicant for such renewal permit has complied with the provisions of this act, and with the laws of the State of Indiana.

7441z. Display of permits.-6. All permits must be exhibited to the state fire marshal, or any of his deputies, for inspection, whenever the same is requested, and no one except the person, firm or corporation to whom or which the same is issued shall have the right to operate such business or establishment under such permit.

7441a1. Permits refused, revoked or suspended.-7. Permits may be refused, suspended, or revoked by the state fire marshal, for fraud in procuring the same, or a violation of any law of the State of In

7441b1. Specifications for rooms.-8. All rooms or structures used or to be used for the purpose of the business of dry-cleaning or drydyeing as above defined, shall be of fire-resistive design and construction, and not exceed one story in height, and shall be without basement, cellar or open space below the ground floor.

7441c1. Specifications for walls.-9. All walls of such dry-cleaning and dry-dyeing rooms or structures shall be of brick laid in cement mortar, or of reinforced concrete not less than twelve inches in thickness, or of stone, laid in cement mortar, not less than sixteen inches in thickness, or of other non-combustible and fire-resistive material constructed of a thickness of not less than twelve inches. The roof of such building shall be of fire-resistive construction.

7441d1. Ventilation.-10. Ventilating apertures and exhaust fans, or some other adequate ventilating system, shall be so installed in such dry-cleaning rooms and dry-dyeing rooms as to completely change the air volume every five (5) minutes while the plant is in operation. And all skylights and windows in such rooms shall be of wired glass and metal frames.

7441e1. Steam pipes for fire extinguishment.-11. As a means of fire extinguishment in any such buildings, the same shall be equipped with not less than two inch steam pipes, to be so connected as to give nearly as possible an equal distribution of steam, and to be so placed that the steam when turned in will immediately fill th entire room. Such steam pipes shall be provided with perforations or jets of onequarter of one inch in diameter, equally spaced, so that there is one opening to each twenty-fice (25) feet of floor space; a globe valve shall be placed in the steam service line or lines connected to this perforated steam pipe outside of the dry-cleaning room; and to be accessible for operation in case of fire. The steam supply for such pipes shall be continually available for service while the plant is in operation, and shall be sufficient to completely fill the room space in less than one minute.

7441f1. Doors, windows and pipes.-12. All steam or hot water pipes must be protected by wire screen or otherwise so as to prevent contact of pipes and inflammable goods. All windows, doors or other openings in the dry-cleaning building or drying rooms within one hundred feet of exposed openings or combustible structures or materials shall be provided with wired glass in metal frames, or fireproof shutters, doors or covers. All doors shall be arranged for ready opening from either side in case of emergency.

7441g1. Hand chemical extinguishers.-13. One approved hand chemical extinguisher especially efficient for such conditions shall be provided for each five hundred feet of floor space.

7441h1. Closed machines-Brushing.-14. All dry-cleaning, washing, extracting and redistilling shall be carried on in closed machines which shall be fluid tight; washers shall have hinged doors and shall be arranged so that in case of an explosion the door will automatically close. The transfer of all liquids shall be through continuous piping, and all outlet or drain lines shall be drained by gravity to settling or storage tanks. No dry-cleaning liquid shall be settled in any open or unprotected vessels or tanks. All piping and all metallic parts of each machine shall be properly grounded by at least number ten copper insulated wire to a water pipe or other grounded device. Scrubbing and brushing may be performed in the dry-cleaning room, but not more than three (3) gallons of volatile fluid shall be used in any one container, and shall be so used in a metallic pan or container, and such volatile substance shall be returned to the settling or storage tanks as soon as the brushing or cleaning operation is completed.

7441i1. Setting tanks.-15. Settling tanks shall be constructed, located and vented essentially as provided herein for the storage tanks. At the close of the day's operations all liquid contained in washers, extractors, stills or otherwise shall be returned to the stock or settling tanks. The location of all tanks, buried or otherwise, and their contents and hazards shall be plainly marked by signs as approved by the state fire marshal.

7441j1. Engines, generators and dynamos.-16. No gas or gasoline engine, steam generator or heating device nor any electrical dynamo or motor shall be located, maintained or used inside of nor within a distance of ten feet of any room used for the business of dry-cleaning and dry-dyeing as above defined, except that an electrical motor may be placed within such ten feet but without a solid fireproof wall.

7441k1. Lighting equipment.-17. The lighting of such dry-cleaning rooms shall be secured only by keyless socket incandescent electric lights with globe or bulbs in vapor-proof receptacles, and all switches, cut-offs or fuses used in the installation or operation of such lights shall be located and operated from the outside of such drycleaning room. The interior electrical equipment must conform with the most advanced stage of the art at the time of installation.

744111. Heating.-18. The heating of such buildings shall be secured only by the use of steam or hot water systems.

7441m1. Drying rooms.-19. Drying rooms if under the same roof as the dry cleaning and dry-dyeing rooms must be separated from such rooms by a fire-resistive wall, the entrance of such drying room or rooms shall be provided with standard, self-closing fire doors. Means for the ventilation of such drying room shall conform to the

conditions provided in relation to dry cleaning and dry dyeing buildings, and the provisions for the presence of steam jets for fire extinguishment must be complied with. If the drying room be a separate building, it must conform in all respects of construction and equipment to the conditions named relative to dry cleaning and dry dyeing rooms as above described.

7441n1. Storage of volatile substances.-20. All volatile substances received for use in the business of dry cleaning and dry dyeing as above defined shall be stored in steel tanks, the shell of which may not be less than twelve gauge for tank of one thousand gallons capacity, and less, 3/16 or one quarter (4) inch for any capacity, tank over 1000 gallons, the exterior of such tank to be coated with. an approved rust preventative, and all joints in same shall be calked or soldered in an approved manner.

744101. Tanks under sidewalks prohibited.-21. No storage tank shall be placed, constructed or maintained under a public sidewalk or in a sidewalk area.

7441p1. Burial of tanks.-22. All such tanks shall be buried underground to such a depth as to secure a covering of earth of at least three feet above the top of the tank at the surface level of the ground.

7441q1. Vent pipes.-23. All such tanks shall be provided with a vent pipe not less than one inch in diameter, extending from the top of the tank to the outer air, and discharging at a point not less than two feet above the roof of said dry cleaning and dry [dyeing] room, and also be provided at the discharge and [end] with an inverted "U" cap or goose-neck.

7441r1. Filling pipes.-24. All such tanks must be provided with a filling pipe of not less than one inch in diameter, extending from the top of the tank shell to within one inch of the bottom of the tank. Such filling pipe must be laid with inclination toward the tank to secure proper drainage; the intake end of said filling pipe shall be fitted with a controlling feed cock or valve which shall be kept closed except while in use, and the intake end of the pipe above such cock or valve shall be provided with a screw cap secured in place by an iron or other metal chain; such screw cap to be securely screwed on the feed pipe inlet when the same is not in use. Both the controlling cock or valve and the feed pipe inlet must be enclosed in an iron box or hood set level or above the surface of the ground, and be kept. securely locked when not in use; such feed pipe inlet and controlling cock or valve shall in no case be located inside of any building.

7441s1. Service pipes.-25. All pipes connected to the said storage. tanks used in said dry cleaning and dry dyeing business must enter

or be attached to same at their tops; service pipes carrying volatile substance from the storage tanks to the dry cleaning and dry dyeing machines or apparatus shall extend from the top of the tank shell, and the controlling cock or valve in said service pipes shall be kept closed when not in use.

7441t1. Conveyance of volatile substances.-26. No volatile substances shall be carried or converted into the dry cleaning and dry dyeing building or any of its machines or apparatus, or be returned to the storage tanks from such devices except through service pipes as above described; the movement or transmission of such volatiles through such service pipes shall be secured by pumps or syphon only; such device to be so located as to insure the return of all volatile substances remaining in the service pipes when delivery is shut off to the storage tanks by gravity.

7441ul. Rooms for distillation or redistillation.-27. No carbon [,] bi-sulphide, gasoline, naptha, benzol, benzine or light petroleum or coal tar product used in the dry-cleaning or dry-dyeing business shall be distilled or redistilled in connection with the said dry-cleaning or dry-dyeing business except in a building of fireproof construction, which building must be located not less than ten (10) feet from any other building or lot occupied for business, dwelling, manufacturing or storage purposes, except buildings used in said dry-cleaning or drydyeing business, unless the same shall be protected by a fire-wall of not less than eighteen (18) inches in thickness and extending two (2) feet above the roof of such dry-cleaning room.

7441v1. Application of act-Buildings-License.-28. The provisions of this act shall not be held to apply to any building, business or establishment now in use for dry-cleaning or dry-dyeing, so as to cause the same to be rebuilt, remodeled, or repaired so as to conform to the provisions hereof, but should any dry-cleaning room or drydyeing room, or part thereof, be reconstructed, rebuilt or repaired, the same shall as to such new work, be so constructed, built or repaired in conformity to the provisions hereof. Nothing in this act shall be held to in any manner limit the laws which provide against fire hazards in this state. Nothing in this section shall permit any person to operate a business or establishment defined in this act without first securing a license as provided herein, for so doing, but the provisions of this section shall be given full consideration by the state fire marshal in issuing licenses to persons now engaged in said business.

7441w1. Abandonment of buildings.-29. Should any building, business or establishment of dry-cleaning or dry-dyeing as herein defined, be discontinued or not carried on in any building which does