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256 INCINERATORS DOMESTI C OR PORTABLE TYPE ~M243 Portable or domestic incinerators or rubbish burners may be installed and vent- ed into the same fiue with gas-fired boilers, furnaces or heating devices pr,- Tiding the incinerator or rubbish burner installation conforms to the following requirements: 1 - Incinerators installed in conjunction with gas space heating devices and venting into the same flue. a. shall be designed with gas or constant electrical auxiliary heating elements to facilitate the drying and c cmbustion of gargage. b. when gas fired shall conform to the Approval Requirement for Domestic Gas Fired Incinerators ASA-Z21.6-l949 and bear the AGA label. c. when equipped with electric heaters shall conform to standards established by Underwriter's Laboratories and bear their label. The general construction features shall Eet the requirements of the above standard for gas fired equipment. d. shall be approved by the Heating Iupector, subject to a fee for approval of $25.00 payable with application. e. shall be equipped with manufacturer I s tag or name plate permanently attached stating fuel for which unit is designed and input rating. 2 -. The vent from the incinerator shall be conne cted to a masonry fiue by maans of a smoke pipe constructed of metal suitable fO,: operation in 18000 F. temperature. Where such smoke pipe is wi thin 18 of combustible materials, ~ such materials shall be provided with it! fireproof. insulation. Where the masonry chimney is of Type A Underwriters construction and is provided with a glazed tile fiue liner or a vitrified bell type flue liner installed with bells upward, of ample size for the load of the incinerator in addition to other appliances connected thereto but not less than 8" equivalent diameter, the metal flue liner required elsewhere in this code may be omitted. . Where the masonry fiues are not provided with tile fiue liners as i>ove described, then the fiue shall be provided with flue liner constructed of materials approved for operation with temperatures of 1200oF., this liner to recei veft the vents from 'the incinerator and other devices and to be sized for the total load. SECT! ON SEVEN MATERIAL~ 7-1 All building materials shall be of the quality to meet the intent of this code, and shall be new or approved equal by the governing body 6J6ttile municipality. in case there is reason to d oubtttheequali ty of a material to be used in a building or structure, the governing body may re~uire tests to be made to establish its suitability, or to determine whether it conforms to the intent of this code. 7 -2 The provisions of this code are not intended to prevent the use of any material or methocl of construdtion not specifiully preacribed by this code providing any such alternate has been approved. - -53-