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Amend Section G2422.1.2.3 (411.1.3.3), Prohibited locations and Penetrations by <br />deleting Exception 1 and Exception 4 in their entirety. <br />Amend Section G2445.2 (621.2), Prohibited use, b ay dding the following Exception: <br />G2445.2 (621.2) Prohibited use. [Text unchanged.] <br />Exception: Existing approved unvented room heaters may continue to be used in <br />dwelling units, in accordance with the code provisions in effect when installed, <br />when approved by the Building Official unless an unsafe condition is determined <br />to exist as described in International Fuel Gas Code Section 108.7 of the Fuel Gas <br />Code. <br />Amend Section G2448.1.1 (624.1.1), Installation requirements, to read as follows: <br />G2448.1.1 (624.1.1) Installation requirements. The requirements for water <br />heaters relative to access, sizing, relief valves, drain pans and scald protection <br />shall be in accordance with this code. <br />Add Section P2603, Protection against corrosion, to read as follows: <br />P2603.3 Protection against corrosion. Metallic pining, except for cast iron, <br />ductile iron and galvanized steel, shall not be placed in direct contact with steel <br />framing members, concrete or cinder walls and floors or other masonry. Metallic <br />piping shall not be placed in direct contact with corrosive soil. Where sheathing is <br />used to prevent direct contact, the sheathing shall have a thickness of not less than <br />0.008 inch (8 mill (0.203 mm) and the sheathing shall be made of approved <br />material Where sheathing protects piping that penetrates concrete or masonry <br />walls or floors, the sheathing shall be installed in a manner that allows movement <br />of the piping within the sheathing. <br />Amend Section P2603.5.1, Sewer depth, to read as follows: <br />P2603.5.1 Sewer depth. Building sewers that connect to private sewage <br />disposal systems shall be installed according to TCEQ guidelines. Building <br />sewers shall be a minimum of 12 inches (304 mm) below grade or as approved by <br />the building official. <br />Add Section P2604.2.1., Plastic sewer and DWV Pining installation, to read as follows: <br />P2604.2.1 Plastic sewer and DWV pining installation. Plastic sewer and DWV <br />piping installed underground shall be installed in accordance with the <br />manufacturer's installation instructions. Trench width shall be controlled to not <br />exceed the outside the pipe diameter plus 16 inches or in a trench which has a <br />34 <br />