15-24-800 Dip tank covers.

   Dip tank covers shall comply with the following:

   (a)   Covers shall be arranged to close automatically in the event of a fire. Such tank covers shall also be arranged for manual operation.

   (b)   Covers shall be constructed of substantial noncombustible materials or if of the tin-clad type, the enclosing metal shall be with locked joints.

   (c)   Chains or wire rope shall be used for cover support or operating mechanism.

   (d)   Covers shall be kept closed when dip tanks are not in use.

(Prior code §  129.1-71)

15-24-810 Hardening and tempering tanks.

   Hardening and tempering tanks shall comply with the requirements of Sections 15-24-760 to 15-24-800 and with the specific requirements of the following provisions:

   (a)   Such tanks shall not be located on or within 20 feet of combustible floors. Such tanks shall not be closer than 20 feet for a furnace or other open-flame heating device, torch or other heat-producing device.

   (b)   Such tanks shall be provided with noncombustible hood and vent, and vented directly to the outside of the building and shall otherwise comply with the requirements of Chapter 13-176 . Such vents and hood shall not be closer than 18 inches to any combustible materials.

   (c)   Each such tank shall be equipped with a high temperature limit switch so arranged to sound a suitable audible alarm when the temperature of the quenching medium reaches 50 degrees below the flashpoint.

   (d)   Such tanks having a capacity of over 500 gallons or having a liquid surface area of 25 square feet or more shall be protected as specified in Section 15-24-790(b) or (c) of this Code.

   (e)   Air under pressure shall not be used to fill or to agitate the quenching medium in the tanks.

(Prior code §  129.1-72)

 

Notes

13-176

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15-24-820 Flow coat operations.

   Flow coat operations shall comply with the requirements for dip tanks. The area of the sump and any area within 20 feet of the flow coat operations shall be considered the vapor area. Flow coat operations shall also conform to the following specific requirements:

   (a)   Paint or other flammable liquid shall be supplied by direct low pressure pumping arranged to automatically shut down by means of approved heat- actuated devices in the event of a fire.

(Prior code §  129.1-73)

15-24-830 Roll coating operations.

   Roll coating operations shall comply with the following provisions and the other applicable requirements of the code:

   (a)   The processes of roll coating, spreading and impregnating in which fabrics, paper or other material is passed directly through a dip tank or trough containing flammable liquids or over the surface of a roller that revolves partially submerged in a flammable liquid shall conform to the requirements of Sections 15-24-760 to 15-24-800 of this Code.

   (b)   Adequate arrangements shall be made to prevent sparks from static electricity by electrically bonding and grounding all metallic rotating and other parts of the machinery and equipment and by the installation of static collectors. All such electrical bonding and grounding shall be done in strict accordance with the provisions of Title 14E.

(Prior code § 129.1-74; Amend Coun. J. 9-6-17, p. 55278, Art. II, § 58)

ARTICLE VIII. DRYING APPARATUS (15-24-840 et seq.)