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Amend Section 1104.2 Machinery Room; add an exception to read as follows: <br />Exception <br />3. Machinery _Rooms ,are not re uired when in com liance with ASHRAE 15 Section <br />7.4. <br />(Reos(�w: Usin the ASHRIAE 15 machiner <br />,9 qIp, ro4�':;mm requireit'rients, the singliil,i tznd multiple cinvit <br />1"El)'ilgerution systems mileia5ei mitigation strateigies to so ' fe/y iscdate asiection to prevent <br />:I natic vi shub,P)YwIlves, An <br />a fUll singlii!: 471 ri�'Ijl t Llisichargie qt a ri:iffigerant vvith outol I I , I I � <br />example t��I( this is in VRF,$)ipsten�s v�,dihere Branch seleclor boxes/Heat recovely Linits) <br />Amend Section 1104.3.1.1 Group AU High -Probability Systems. Add this section to read: <br />1104.3.1,1 G.rqyk 2L High:Pr9baWIrIt S stems. Hi h- robabilit s stems usin Groin <br />A2L .6, <br />(Heason:7 he,I:!!10,24 /114(11 . permits the uSe o Group,A21 Hii h pnkabifity systenis however, it, cloes <br />9 <br />J ot cover the saft, finihs Ia,nd reffigerarpt do"tecticin ,mn invligiiffion t"eqtfirer,t7erptsdor systerr? <br />s <br />outshie, io,f i1i rnm:hiriet y roorn) <br />Amend Section 1109.2.5 Refrigerant pipe shafts. Change to read: <br />[Existing text to remain] <br />Exceptions: <br />1. [Existing text to remain] <br />2. Piping in a direct refrigeration system using GF eup -A4 where the refrigerant quantity does <br />not exceed the limits of Table 1103.1 for the smallest occupied space through which the <br />piping passes. <br />3. [Existing text to remain] <br />(Reast�wrr 7ho; vvill makie the I,Wcimisi�tenl %vith Se(,�Wcpn 9,J2 1,,5 olfASHRAE 15,202,'!!11. Note htit <br />III/Ic si:ithnp 1109-2.2 A1111requ�ire,s piping protection, elither vilithin buihfing el�ements or <br />pa�wtE:icthie, enclii�°m,tres. '7 hi; is in fine with both ASIMU15 210 19 se(�-Ih��n 8. 1(1)_��, and ASIIR,111!!'E <br />15 I:`I(U2 section 911 '1 <br />L5. 1 V11rherethe rellger antso t <br />f6 Y 91 OLIP Is fk)t fnentiorwt�, a wniy the <br />re 0 11 <br />gerunt Urnit (RQ). The RCL,f r group; mslher than Al is eithii:'r 25% cy� the, <br />I FI or knvey, h) account fig iir flan,?rnim°obflit y, loxicity, oml ox)igi:lindeprivaliorz, ) <br />END 2024 IMC AMENDMENTS <br />