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
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_ 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).
Yours sincerely
'�a'•�t1t'6^-`�- �
Matthew Williamson
Associate Principa]
Enclosiues:
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Product Information/Specification Sheet `
DESCRIPTION DIMENSIONS
The Studor Mini-VentAAV is an accepted Dimension Metric(mm) Imperial(inahes�
alfernafive to replace all forms of A fd70 flJ2��nn
B 67 2���ie�
conventional branch and stack venting. �q� C a 6
With localised active venfilation of the
building drainage system it is proven that � D P167 Q12�onn
ihe Mini-Venf provides grealer profecfion E 31.9 1 ana
to prevent induced and self-siphonage of F P133 PJl sne
the fixlure frpps. e . 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. Pipe malerial in acmrdance wilk EN1329-1,EN1451-1,
DN 32-50 DN 32-50 1'/e"�2" EN4514,EN120561
Pipe DN:32�40,50 63 )d�,
- = �� .'l��
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