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AMC - Studor Vent ALTERNATE MATERIA�S AND METHODS / MODIFICATION FORM COMMUNITY DEVELOPMENT DEPARTMEN7•6UILDING DIVISION 10300 TORRE AVENUE•CUPERTINO, CA 95014-3255 (408)777-3228• FAX(408)777-3333•buildina(cilcu�ertino.ora CUPERTINO ❑ REQUEST FOR MODIFICATION OF CODE(CBC 104.10) OO REQUEST FOR ALTERNATE MATERIAL,DESIGN OR METHOD OF CONSTRUCTION(CBC 104.11,CFC 111.2,4) To a I for this rn uest,com �et0 sections 1 2 &3 ink or l o SITE /� {7p g . � 1 APN DATE ADDRESS - " ! A Y 1 �C/ �K W� multiple ..-� 72/05/2016 OwnerApple..lnc:............................................................................................................ - � PC#: ..................................... TYPa: .........., . . . 1 Infinite L o MS•47-2R P Cu ertino CA 95014 � Address..................�.Pa..................�..:......p.........:...........,...:....................................... i Z-��2 � ' Permit#:...�..�.................� Stories: ......,.�..................... dwhisonhunt@applo.com (408)996•1010 � EmaI1..............................................................Phone........................,.................. PLN#: ....p............y..�....,./.�......... OccuPancY:............................ ApPlicant PetBrSokoloff......................._................Title Archltect...................... DePt./Dlv,ll.%�..f.Sf.�!l..�.... PloorArea:............................. .......... 1 Infinite Loo MS 21 3AG2 Job Staius: ............................ Occ.Load: ..........,.................. . Address........................:.......:....:....................................................................................... sokolof@fosterand arinors com (408)610-5870 usa or aidg:G�E.��.G.��....,,.,, Lmail�...............................p... ' ........Phone................. 2 REQUEST: For code mod{lications,pleasa slate the applicable coda requirement and the exlent of relief desired. For altemate requests,state the type of system ro oaed and desl n melhods. Submll ens ii neceasa lo Illustrate re uasl. Addlllonal sheets or data me be attached. To ermit the use of Air Admittance Valves AAV also know as Studor vents in ver limited uantities and areas of the Main Building, for sinks used for hand washing only, The AAV's would be instailed per nternationa um ing o e. . 3 JUSTIFICATIONIFINDINGS qF EQUIVALENCY: For code modiilcatfons,applicant shail tlemonalrate that � Code Sectlon(s): special,indlvidual reasons exist that make compllance wllh the stdcl letter of the ortlinence impractical and that 2010 CPC 901.1 equlvalenqy Is provided. For allemete requests,applicant shall demonslrete sultabillty,slrength,ettectiveness,Flre resislence durabilit ,aefel and senitation that Is e uivalent fo the code for a similar use. � . Attach additlonal sheets if necessary. See attached document. I Petitioner's Reviewed ' Si nawca� .. Architect r ��' '� 1 {� . . .. � . . .. . Position:.................................. Date:. �.7� ... B :...........:....................................,....Date:....,......��.......... The Request is: GRANTED ❑ DENIED De t.Comments: ONDITIONS O APPROVAL: � � No.of Items: ......,I........ ._..... FeeDue:$................................. Date Paid: ................................. Receipt No.:�.............................. - . Processed by: ............................ Bui�din Oftioial:....... ... ��:. �4 ...........Print:.!.?.�:if�i� �/1VV���1�?..................Date:..,�.�..7'�,..�,'�.......� ....................... .......... ................... .....................�....... ..... Fire Marshal:................ ........,............................,............Print: .........................................................................,.........Date:......,........,....,.............. �. ...................... DEPARTMENT ACTION: After determination,coples io: 1}applicant, 2)permil file A!{f'orm_20/O.dor.+�erised 06/11/JO Yourret ARU P Our ref Flle ref 560 Mission Str�eet Suite 700 HomerMaiel SanFrancisco 94105 West Coast Code Consulta�rts United States of America 2400 Camino Ramon,Suite#240 t+1 415 957 9445 San Ramou,CA 94583 f+l 415 957 9096 matthew.will iamso��arup.com www.arup.com May 11, 2016 � Apple C�mpus II special use sinlcs Dear Homer, This letter seeks appiroval for the use of air admittance valves in the suiitaiy vent system where traditional verit piping is not possible due to struchiral conditions. Basis of Design: The Apple Campus Main Building roof is designed and built with pre-cast concrete panels that incorporate piping for the radiant heating and cooling system. The design of the radiant panels has the tubing tightly packed with only 1 to 1-1/2 inches between pipes. No penetrations are permitted to be made tlu•ough the panels after they are cast. Design Change: The design asstuned that no sinks or other fixtures requiring vent piping would be needed in the areas with the pre-cast concrete panels. Tenants have requested specialty labs which require sinks for hand washirig, glass washing,and cleaning. The su�lcs as•e not intended For kitchen wastes or food uses. The design team has designed niost of these sinks to have traditional vents tied to the sanitary vent pil�i�rg system. A few of the sinksare located away from the Uuilding cores on levels 1-3 and no method for routing concealed vent pipes is possiUle. For these sinks the design team has considered the use of air adiniYtance valves. The design teain has identified two possiUle solutions for the drainage piping. 1) �1 stunp and pump located under the sink which collects the waste water �uid pumps it through a 1-1/2 inch pipe to the nearest sailitary waste riser. The waste piping is run in t7�e underfloor air distriUution zone. The sump will require a vent connection. Intended product: T ittle Giant cwseaswsoxo�or�aaeacrauocn�wmaosovtw.tNoowsuHerenene�cor�rewr.ou Arup North America L�tl iL00102CWMR5E�2018���1MVVARIPNtERE�VE5T.00C% _ MaY,,,zo,s Page 2 of 2 2) A pump directly mounted to the sink drain that pumps the waste water through a 1- 1/2 inch pipe to the nearest sanitaiy waste riser. Sink mounted pumps do not require a vent. Intended product: Hartell sink pump The sink mounted pump does not require any vent Code Requirements: The California Plumbing Code is based on the Uniform Plumbing Code published by IAPMO which does not recognize the use of air admittance valves. Variance Request: The design team requests permission under CPC section 9ll.0 Engineered Vent System to use AAVs in limited areas. Air admittance valves will be used in accordance with the International Plumbing Code (IPC). 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G fd64 Pl28ne � H 049 RJ 1�sim � The Mini-Vent opens and admits fresh air I 68 2�4ia when the negative �suction) pressure � - J� �� �� �38 �"lana occurs from a fixfure clischarging info fhe � K � � � � 19� � � � ��im system.This equalizes the pressure within � � � ryg� �� {�7p � the system and protects the trap seaL c � M � � 063 02ane When the flow stops,the Mini-Vent closes Mini-Venf by gravity, preventing any transmission Nofe:Dlmenslom(wreferenceonly of foul air. PERFORMANCE PARAMETER The Mini-Vent is used as an altemative to �20°C to+60°C (CEI o Tempemlure range .40`F�o+150�F AS$E extending the vent pipes through the roof . ( I or siclewa�l. '�}� � Opening�pressure� -70 Pa �-0.010 PSI� FEATURES I Max.pressure mting 10,000 Pa�l m/40" HzO� •Screening on the inside and outside of � tighfness at 0 Pa or higher fhe Mini-Vent to protect fhe sealing �f Airflowcapacity Branch STack membrane from foreign objects. � Euro e 7.51/s 7.51/s • Ability to drvert condensahon away from Ihe sealing membrane. Global Connector AU/NZ 7.51/s/94 FU 7.51/s/7 FU (suppliad os alo�dard� USA 1 ho 160 DFU 8 ro 24 DFU • Prevents the release of foul air from ihe drainage system. MATERIALS • Available in white ABS. ~—� Com anent Maferial •As standard,the Mini-Vent is fitted with Mini-Vent ca &bod ABS the push-fit Global Connector. For specific markels it may be provided with Mini-Vent membrane S nlhetic rubber an alternative or no connectoc ' Global connector TPE INSTALLATION � US SCH40 ada lor PVC •The Mini-Vent should be connected to K eN t2aso � � oe the piping in accordance with Studor's installation instructions. ` M Sludor Venlech timiled,Millennium House,Vicloria Road • Refer to your local area regulations for pouglas,Isle of Man IM2 4RW,Brilish Isles open vent requirements. US SCH40 Adapfor � �� � - � , WARRANTY N;iKam�o,i�a;co'�oaoa�ainoa�o) Valvelovenlilaledminagesyskms Designalion:AI The Studor products have a lifetime AtrFlow<apo�iy:7.51/s Warranty - equiva�enf fo that of ihe Airfighmesstesfeda1:30/WO/10000Pa drainage system io which they are p�pE SIZES Rongeofremperarore:-2o°Cto+60°C installed. Visit www.studor.net far fu�� Ef(ectivenessattempewturesbelowzero:-20°C Europe AU/NZ USA defai�5. 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