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Dia ,)hra m au es used for testing; must display a current calibrat�onmm_and...be._in <br />good working condition. The app ropriate, test must be a i jied to the dia,phraom <br />aue used for testing <br />Amend Section G2417.4.2 406,.4.21. Test duration, to....read.asollo,ws <br />G2417.4.2 X406.4.2;1 Test duration. The test duration shall be held for a lenmth <br />of time satisfactory to the Building" Official but in no case for less than fifteenl5.. <br />minutes.W For welded."i .ink; and..for jAp ressures..in-excess of <br />fourteen 14 inches water column pressure 3.48 kPa the test duration shall be <br />held a len lh..of time satisfactoryto the Building Official but in no case for less <br />than thin t ( 301 minutes. <br />Amend Section G2420.1 406.1 ! General b addinc Section G2420.1.4 Valves in CSST <br />installations to readWasfollows:, <br />G2420.1.4 '406.2' Valves in CSST installations. Shutoff valves installed with <br />corrugated. stainless steel CSST pipinx systems shall be supported with an <br />qpj� ;)roved termination fitting, or er~ uivalent sul:: )pM suitable for the size of the <br />valves of adequateuate stren;th and...lualitand located at intervals so as..to.::arevent <br />orni,L out excessive vibration but in no case greater than 12 -inches from the <br />center of the valve. Supt orts shall._b.e installedIT so as not to interfere with the free <br />expansion and contraction of the system's piping, fittings and valves, between <br />anchors. All valves and supports shall be desi:yned and installed so they will not <br />be disenga ed b: movement of the su ,r cortin � An <br />Amend Section G2420.5.1 (409.5.1), Located within the same room, by adding the <br />following text: <br />G2420.5.1 4Q9.5.1) Located within the .same ITroom. The shutoff valve..., -bulk <br />of paragraph unchan edI. . in accordance with the a Dpliance manufacturer's <br />instructions. A secondaa shutoff valve..must.be installed within 3 feet 1914 mmw <br />of the firebox if appliance shutoff is located in the firebox. <br />Amend Section G2421.1 410.1 <br />(_ m Pressure reg ulat rs, b� a ing the o owing text an, <br />Excel:�tion: <br />G2421.1 410.1Pressure re ulators. A line pressure re ulator shall be ... bulk <br />of ji, a3. gra , h unchanged ....... ..___ap proved for outdoor installation. Access to <br />regulators sha-11-cowly with the.. requirements for access to --a liances as <br />specified in Section.M1305. <br />Exception: A passaewa:.IT or level service s acewwwwis ..not. reured when the <br />rex emulator is. capable of beine serviced and removed through the required attic <br />opening, <br />33 <br />