HomeMy WebLinkAbout1469 Bernal Avenue - Resolution, ,
RECORDIN� REQUESTED BY:
Planning Department
City of Burlingame
WHEN RECORDED MAIL T0:
COMMUNITY DEVELOPMENT DEPARTMENT
CITY OF BURLINGAME
501 PRIMROSE ROAD
BURLINGAME, CA 94010
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Resolution No. 71 - 2014
1469 BERNAL AVENUE
APN 026-044-030
TITLE OF DOCUMENT
I hereby certify this to be a full, true and correct copy of the
document it purports to be, the original of which is on file in my
office.
Date
1
�
RESOLUTION APPROVING CATEGORICAL EXEMPTION AND CONDITIONAL USE PERMITS
RESOLVED, by the Planning Commission of the City of Burlingame that:
WHEREAS, a Categorical Exemption has been prepared and application has been made for
Conditional Use Permits to modifv an existinq detached qaraqe and add a new attic storaqe space
above the qaraqe at 1469 Bernal Avenue, Zoned R-1, Ranian Prasad and Monisha Deshpande, 1469
Bernal Avenue, Burlinqame, CA, 94010, propertv owners, APN: 026-044-030;
WHEREAS, said matters were heard by the Planning Commission of the City of Burlingame on Auqust
11, 2014, at which time it reviewed and considered the staff report and all other written materials and
testimony presented at said hearing;
NOW, THEREFORE, it is RESOLVED and DETERMINED by this Planning Commission that:
On the basis of the Initial Study and the documents submitted and reviewed, and comments
received and addressed by this Commission, it is hereby found that there is no substantial evidence
that the project set forth above will have a significant effect on the environment, and categorical
exemption, per CEQA Section 15303 (e), which states that construction and location of limited
numbers of new, small facilities or structures including accessory (appurtenant) structures
including garages, carports, patios, swimming pools and fences is exempt from environmental
review, is hereby approved.
2. Said Conditional Use Permits are approved subject to the conditions set forth in Exhibit "A"
attached hereto. Findings for such Conditional Use Permits are set forth in the staff report,
minutes, and recording of said meeting.
3. It is further directed that a certified copy of this resolution be recorded in the official records of
the County of San Mateo. �
�� ��
Chairman
I, �;�11.i t UU v�� >, Secretary of the Planning Commission of the City of Burlingame, do
hereby certify that the foregoing resolution was introduced and adopted at a regular meeting of the
Planning Commission held on the 11th dav of Auqust, 2014, by the following vote:
1469 BERNALAVE. - RESO 71-2014
AYES: Bandrapalli, DeMartini, Gum, Loftis,
Sargent, Yie
NOES: None
ABSENT None
RECUSED: Terrones
�
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Secretary
EXHIBIT "A"
Conditions of Approval for Categorical Exemption and Conditional Use Permits
1469 Bernal Avenue
Effective August 21, 2014
Page 1
that the project shall be built as shown on the plans submitted to the Planning Division
date stamped July 25, 2014, sheets A1.0 through A5.1, and that any changes to footprint
or floor area of the accessory structure shall require an amendment to this permit;
2. that if the accessory structure is demolished or the envelope changed at a later date the
Conditional Use Permits, as well as any other exceptions to the code granted here, will
become void;
3. that the attic storage space above the detached garage shall not include a kitchen,
bathtub, or interior shower and shall not be used for sleeping purposes;
4. that the conditions of the Building Division's August 1, 2014 and May 30, 2014 memos,
the Engineering Division's June 19, 2014 memo, the Fire Division's June 2, 2014 memo,
the Parks Division's June 5, 2014 memo and the Stormwater Division's June 4, 2014
memo shall be met;
5. that any grading or earth moving on the site shall not occur until a building permit has
been issued and such site work shall be required to comply with all the regulations of the
Bay Area Air Quality Management District;
6. that the project shall comply with the Construction and Demolition Debris Recycling
Ordinance which requires affected demolition, new construction and alteration projects
to submit a Waste Reduction plan and meet recycling requirements; any partial or full
demolition of a structure, interior or exterior, shall require a demolition permit; and
7. that the project shall meet all the requirements of the California Building and Uniform
Fire Codes, 2013 Edition, as amended by the City of Burlingame.
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�` Project Comments
�
Date:
To:
From
July 30, 2014
0 Engineering Division
(650) 558-7230
X Building Division
(650) 558-7260
� Parks Division
(650) 558-7334
� Fire Division
(650) 558-7600
� Stormwater Division
(650) 342-3727
� City Attorney
(650) 558-7204
Planning Staff
Subject: Request for Design Review and Conditional Use Permit for a second
story addition and renovation to an existing detached garage at 1469
Bernal Avenue, zoned R-1, APN: 026-044-030
Staff Review:
No further comments.
All conditions of approval as stated in the review dated 5-30-2014 will apply to this
project.
�--�---___N�\, -- - /
Reviewed by: Date: 8-1-2014
Project Comments
Date:
To:
From:
May 30, 2014
� Engineering Division
(650) 558-7230
X Building Division
(650) 558-7260
� Parks Division
(650) 558-7334
� Fire Division
(650) 558-7600
� Stormwater Division
(650) 342-3727
� City Attorney
(650) 558-7204
Planning Staff
Subject: Request for Design Review and Conditional Use Permit for a second
story addition and renovation to an existing detached garage at 1469
Bernal Avenue, zoned R-1, APN: 026-044-030
Staff Review: June 2, 2014
1) On the plans specify that this project will comply with the 2013 California Building Code,
2013 California Residential Code (where applicable), 2013 California Mechanical Code,
2013 California Electrical Code, and 2013 California Plumbing Code, including all
amendments as adopted in Ordinance 1889. Note: If the Planning Commission has not
approved the project prior to 5:00 p.m. on December 31, 2013 then this project must
comply with the 2013 California Building Codes.
2) Specify on the plans that this project will comply with the 2013 California Energy
Efficiency Standards.
Go to http://www.energy.ca.qov/title24/2013standards/ for publications and details.
3) The GreenPoints Checklist will no longer be required beginning July 1, 2014.
Compliance with the Mandatory Measures of the 2013 California Green Building
Code (CAL Green) is required. Provide two completed copies of the attached
Mandatory Measures with the submittal of your plans for Building Code
compliance plan check. In addition, replicate this completed document on the
plans. Note: On the Checklist you must provide a reference which indicates
where each Measure can be found on the plans.
4) Place the following information on the first page of the plans:
"Construction Hours"
Weekdays: 7:00 a.m. — 7:00 p.m.
Saturdays: 9:00 a.m. — 6:00 p.m.
Sundays and Holidays: 10:00 a.m. — 6:00 p.m.
(See City of Burlingame Municipal Code, Section 13.04.100 for details.)
�On the first page of the plans specify the following: "Any hidden conditions that require
work to be performed beyond the scope of the building permit issued for these plans
may require further City approvals including review by the Planning Commission." The
building owner, project designer, and/or contractor must submit a Revision to the City for
any work not graphically illustrated on the Job Copy of the plans prior to performing the
work.
6) Anyone who is doing business in the City must have a current City of Burlingame
business license.
7) Provide a fully dimensioned site plan which shows the true property boundaries, the
location of all structures on the property, existing driveways, and on-site parking.
8) Provide existing and proposed elevations.
9) Provide a complete demolition plan that includes a leaend and indicates existing
walls and features to remain, existing walls and features to be demolished, and
new walls and features.
NOTE: A condition of this project approval is that the Demolition Permit will
not be issued and, and no work can begin (including the removal of �
building components), until a Building Permit has been issued for the
project. The property owner is responsible for assuring that no work is
authorized or perFormed.
10) Show the distances from all exterior walls to property lines or to assumed property lines
11) Show the dimensions to adjacent structures.
�The plans show that the right side of the garage structure is less than three feet from the
property line. Revise the plans to show that attic ventilation will be achieved through
other means. 2013 CBC §705.8.1 and Table 705.8
�The plans show that the structure is three feet from the property line. To comply with the
opening protection required in 2013 CBC, Table 705.8 the building face must be more
than three feet from the property line or the gable end venting must be eliminated and
attic ventilation must be achieved through other means.
�On the plans specify that the roof eaves will not project within two feet of the property
line.
(' Provide details on the plans which show that all roof projections which project beyond
the point where fire-resistive construction would be required will be constructed of one-
hour fire-resistance-rated construction per 2013 CBC §705.2.
%•6 Indicate on the plans that exterior bearing walls less than five feet from the property line
will be built of one-hour fire-rated construction. (2013 CBC, Table 602)
17 �' dicate on the plans that a Grading Permit, if required, will be obtained from the
Department of Public Works.
18) Provide guardrails at all landings. NOTE: All landings more than 30" in height at any
point are considered in calculating the allowable lot coverage. Consult the Planning
Department for details if your project entails landings more than 30" in height.
19) Provide handrails at all stairs where there are four or more risers. 2013 CBC §1009.
20) Provide lighting at all exterior landings.
C�lace the following statement on each page of the plans: "The space above the garage
described as Attic Storage shall not be used for human habitation."
NOTE: A written response to the items noted here and plans that specifically address
items 5, 12, 13, 14, 15, 16, 17, and 21 ust be re-submitted before this project can
move forward for Planning Commiss or a�tion.
Reviewed by: '�� / Date: 5-30-2014
Joe , O . / 650-5 - 270
Project Comments
Date:
To:
From:
May 30, 2014
X Engineering Division
(650) 558- 7230
� Building Division
(650) 558-7260
� Parks Division
(650) 558-7334
� Fire Division
(650) 558-7600
� Stormwater Division
(650) 342-3727
0 City Attorney
(650) 558-7204
Planning Staff
Subject: Request for Design Review and Conditional Use Permit for a second
story addition and renovation to an existing detached garage at 1469
Bernal Avenue, zoned R-1, APN: 026-044-030
Staff Review: June 2, 2014
1. Storm drainage shall be designed to drain towards the street frontage or to the
City storm drain system.
2. Replace all displaced/damaged sidewalk, driveway, curb and gutter.
Reviewed by: V V
Date: 6/19/2014
Project Comments
Date:
May 30, 2014
To: � Engineering Division
(650) 558-7230
� Building Division
(650) 558-7260
� Parks Division
(650) 558-7334
From: Planning Staff
OFire Division
(650) 558-7600
� Stormwater Division
(650) 342-3727
� City Attorney
(650) 558-7204
Subject: Request for Design Review and Conditional Use Permit for a second
story addition and renovation to an existing detached garage at 1469
Bernal Avenue, zoned R-1, APN: 026-044-030
StafF Review: June 2, 2014
No comment at this time.
Reviewed by: �� � — Date: �.��-L ��
�
r
Project Comments
Date:
To:
From:
May 30, 2014
� Engineering Division
(650) 558-7230
� Building Division
(s5o) s5s-72so
� Parks Division
(650) 558-7334
� Fire Division
(650) 558-7600
0 Stormwater Division
(650) 342-3727
� City Attorney
(650) 558-7204
Planning Staff
Subject: Request for Design Review and Conditional Use Permit for a second
story addition and renovation to an existing detached garage at 1469
Bernal Avenue, zoned R-1, APN: 026-044-030
Staff Review: June 2, 2014
1. Existing City Street Tree may not be cut, trimmed or removed without permit
from Parks Division (558-7330).
2. No existing tree over 48 inches in circumference at 54 inches from base of
tree may be removed without a Protected Tree Permit from the Parks Division
(558-7330).
� 3 Completed landscape must include 3 landscape trees existing or new. Identify
species on site plan.
Reviewed by: B Disco
Date: 6/5/14
Project Comments
Date:
To:
From:
May 30, 2014
� Engineering Division
(650) 558-7230
� Building Division
(650) 558-7260.
� Parks Division
(650) 558-7334
� Fire Division
(650) 558-7600
x Stormwater Division
(650) 342-3727
� City Attorney
(650) 558-7204
Planning Staff
Subject: Request for Design Review and Conditional Use Permit for a second
story addition and renovation to an existing detached garage at 1469
Bernal Avenue, zoned R-1, APN: 026-044-030
Staff Review: June 2, 2014
1) Any construction project in the City, regardless of size, shall comply with the City's
NPDES (stormwater) permit to prevent stormwater pollution from construction
activities. Project proponent shall ensure all contractors implement appropriate and
effective BMPs during all phases of construction, including demolition. When
submitting plans for a building permit include a list of construction BMPs as project
notes on a separate full size plan sheet, preferably 2' x 3' or larger. Project
proponent may use the attached Construction BMPs plan sheet to comply with this
requirement. Electronic file is available for download at:
http://flowstobay.org/files/privatend/MRPsourcebk/Section5/ConstBMPPIanJun2012.
pdf
2) Best Management Practices (BMPs) requirements apply on any projects using
architectural copper. To learn what these requirements are, see attached flyer
"Requirements for Architectural Copper." Electronic file is available for download at:
http://flowstobay.org/files/privatend/MRPsourcebk/Section8/ArchitecturalcopperBMPs
.pdf
For assistance please contact Stephen D. at 650-342-3727
Reviewed by: SD
Date: 6/4/14
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SAN �JATEp CqUNTYVJiDE
Water Pollution
Prevention Program
Clean Water. Heakhy Community.
Construction Best Mar�agement Practices (BIVIPs)
Construction projects are required to implement tbe stormwater best management practices (BMP) on this page,
as they apply to your project, all year long.
A•Iaterials & �!'aste hlanagement
Non-H:varAm�s \7atcrials
❑ Bcrm a�id ca�nr s�ocApilcs of sanU, Airt or olLcr can:truction maicrial
�� iJ� �arps n�hen rain is Iurecast or if �wl ncliccic being used �Fiihin
14 dat s.
� uk ro�� aa�; i o,•�rys�; «�i,��,�a „�«� ra� a�s� �o�,o-�i.
Ii:vrrdous Mahriuls
❑ Lnbel all h,>ardo�¢ malcnals and hazardous �rustcs (such u
pes�icides. painls. �hinuers. sol�cnLc. 1'uel. uil. nud amilicezel in
acconlancc wiih cii�: wwih�, siatc and fcdcml rc�nlations.
❑ Slore ha�anlaus matcrials and �castcs in jvmcr Iight conlainca. slorc
in appropriale secondary conWinment. and cover tlmm at tlie end of
mcn� �cork dac or during �vm vwtlicr or o�hen rain is forccasi.
❑ Follo�r mnnuCacNrcr's appliuition insuunions for haz cdous
m�Icrials and bc �vcful noi lo um morc �Imn nccessarc. Do not
applq ch<micals outJvars �nc�n ra-n is (crccasi �� iihm 2d hours.
❑ Anangc for opprepnacc dispuml of all ha�ardous �ras�cs.
\Vaue D�Ianugcmcm
❑ Cma �rascc disposal comaicers securclp �vi�l� inrps u ihc cnd oC
cccn� �cork dav and during �rct sccathcr.
❑ C6cck +v�slc dispowl eonlaincrs frcqucnllc (or leals and lu makc
wc tlicp arc iwt occrfillcd. Nc�-cr 6osc do�an a dumpsmr on dic
cunswc�ion sim.
7 Clc.m ur replaca ponablc milcis. anA inspca ihcm Gcqucndv lor
IeaAs and spills.
❑ Disposc uf all �v�stes and dcbris properly. 2cecdc mmcriats and
�asics tlm� wn bc cccrcicd (such as asphal�. cancrctc. aggrcy�ic bnsc
maicrials. �vood. ,ym•p board. pipc, cic.l
❑ Dispose of liquid rrsidues fmm pniu�a. U�inner.s. solcen�s. �lucc and
cicanin� Ouids as Lazardous �raslc.
Cunstructinn Entr:mces und Pcrimrlcr
❑ Cslablish ai�d mninuin cfltt�i��c perimciu convols and sla6ilizc all
cO�ISINctio�l cillralu:cs a�td c`.Cils lo sufTciL��11V' Conlrol crosion anJ
scdimrni dischargcs frum sifc and iracking oll'sitc.
❑ S�acp or cacuum an�� svccl Iracking immcdialcly� and saurc
scdimcnl sourcc lo prcocul funhcr trackiug. Nncr Imsc do�cn strccis
w cican up aacAing.
Equipmcnt il4anagement &
5pit1 Coutrol
•tiym`: �
tr .�!t
� ir,�tf�
��
+ ���
Y r��
;Ylaintenancc and Parkin�
❑ Dcsig�uic mi arca, fincd �cidi appropria�e BMPs, Ar
rchidc anA cquipmcnt parAing md siongc.
❑ Pcdom� mnjor maintenancc, mpairjobs, and e�chicic
and cquipmcnl �euhiny+ aff si�c.
❑ If rcfiicling or echicic maimcnancc m�st bc donc
onsi[e. ��ork in a 6cnncd uea uway Gm�i smmi drains
:md o��u a drip pan big eimuch m collcct flnids.
2ecccle or dispose oi Iluids as ha,ardous �vnste.
❑ II cchicle or equipment clenning nn¢t be done mxife.
cic:m.vilh wmcr onlv in n bcnncd ama O�af �cill nat
ullou� rinsc �.nwr �o mn into guucrs, svcc�s, stonn
dnins. or snr(ace warcrt.
❑ Do noi clean .ehide or equipmcut oiui�e using swps,
5olrcn�s. degrcascrs. Steyu Cloaninp cquipmCnL C[L.
Spill Prc��cntion :mJ Cnntml
❑ Keep spill deanup m�lenal: (n�s, absorbzn[s, ele.i
arailable u die constmc�ion site a� all tunes.
❑ Inspect ��ehicles and eq�upmem Fmquemlc tbr and
rcpair IcaAs promptl��. Usc drip pans ro coah Icaks
wuil n;pnirs are mada.
ll Clwn up spilk or Icala immedialcly and disposc oC
clwwp malcrials pmperl�.
❑ Do not hosc do�ni snrfaccs whcre Iluids Lacc spillad.
Use dn� cicw�ip metl�oAs (abwrbent materials. wt
littcr, and!ar ns).
❑ S�recp up spillcd dn� matcrials immcdiately�. Do no�
cn- io ��asL tlicm awar w�i�h o�mcr. or bury Wcm.
❑ Clcan up spilLs on dirt oreas br digeing up and
propcdr disposing of cnmanwiaccd soil.
❑ Repon sigiuGcam spills imnmdintel��. You are required
by Imr m rcpon all signifwm rcicascs o(ha>ardous
matenals, including oil. 7o rcport a spi1C q Dial 911
or your Ixnl cmcrgcn<y res�wnse nwnbe[ 2) Call �hc
Gowmor's OiLcc of GmcrQcncy Scn•iccs Ramiug
Ccnkc 1900) Riz-Sin 1'-4 hours).
Eartln}ork& PaFing/AsphaltWork
Contaminated
so�►s
f].� " F .,TJ
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,�-...-tr._Y� 7 L� ia. i
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Erosion Conlrol
❑ Schcdulc gnding and cs;.�vmion w�ork far
dn� .�•cnihcr anle.
❑ S�abilizc all denudcd arcas, ins�all aud
asnrain temporarc emsfan controL �such
emsion conlrol fnbric or bondad fitxr
matric) until ��epetalion is established
❑ Sccd or plant vcgelaiion for crosion
control on slopcs or ���hcm constructian is
nol immCdialely plaiuud.
ScAimcnt Con[ml
t7 Proicc[ slunn dr in inlcls. gutmrs, dimhcs.
and drainn¢c courscs �riih nppn�priaic
BMPs. such as �
ra�cl a=c
b . fibcr rolls.
benns, ctc � � .
❑ Preven[ scdiment Gom mip atui� o!$iic
br ins4�lling and mainlaining udimcnt
cemruls. sucli az f bcr mlls, sill fcnces, or
sedimem basins.
❑ Kccp tscavatcA soil on lhc site �� hcre it
x'ill not collcct inm ch. slrcec.
❑ Tr.�nsFcr escasated mnterinls io dwnp
wcAs on Wc sitc, net in thc slma�.
❑ Conlnmiwied Soilt
�7 lf anc o! tlic follmring condi�ions arc
obscn•cd. [ut for comamiimdon and
conwc[ Ihc Rcgioiu�l \�'amr Quolily
Concrol Board:
■ Unusual suil wnditioac, diswloraiion,
or odor.
■ Abandoned underemund �anks.
■ Abandoned �cdls
■ Buricd bnrn:ls. dcbris. or vash.
❑ Aroid pa��ing a��d swl eoating ui �ect
�ccalhcr. or whcn rain is forccasl b:fore
fresh parcmrn[ �.ill have time �o curc.
❑ COVC( SIOmI dnin inI¢rs dnd InanLOICS
x�hen applying scal coat. �ack coai. slum•
scal. ioe zcal, cic.
❑ Collca and recpde or appropria�clp
dispase ofcsccss abrasiva grn.�cl or sand.
Do NOT s�rccp or �cxsh ii imo �uucrs.
❑ Do nol ure �valcr lo vash do���n fresh
asplmh :oncretc pnccment.
Snxcut[in� F AsphWt/Concrctc Rrnioral
❑ Complcicl}� wrcr or bartiwdc sionn
dmin inlcis �vhen sam cuuing. Lsc fihcr
fabric, wrch baziu inlct filcers, or �cel
bags m kccp slum� out of �hc stomi drain
s)'slcnt.
O Sho�•cl, alwmrb. or cacuum snw�:,m
slurry and disposc aCnll .vaslc as swn
as pou are finished in unc lowtion or ai
thc end of cach �vork dav (wludmecr is
saancr!).
❑ If sanxut clum• cmcrz a wtdi basi�t cican
it up immcdiatclp.
Concretc, Grout & �Iortar
.4pplication
❑ S�os concsie prom and monar undcr
cc�xr. on pallcis and a�ca�� frem dninagc
,�w:. n,�u �,����oi: m�m ��, ��,.�d, r
smmi dmin.
❑ P�ash om eonercic cyuipmen�hnicks
olTsim or in a cumein� an:a. so Wcrt
s no discliargc imo �hc undcrlyin� mil
anio swrounding nrcas. Lci cmicrc�c
liardcn and dispose of u gar6agc.
❑ Collan ihc �cash �vaicr from �rashing
czpased aggregaic conemie nnd renmcc ii
for approprialc dispesal oRsi�c.
Dewaterinb
- �`'��f ' ! V .., /I
�t.-1' ��`��y��!
\
II. i,
�\ i
i�
�+.,�
�i� ,,/
��/�, \r, ,.-:l
❑ Eliccticely mana�c all runon. all
rmwfT�ciiLin i6c siic. and all runoll"tliai
diwlmrges From �he siie. Dicen ruu-on
�amr I'rom ofi'sice m�ac Goin all diswr6cd
nrcas oro�unrisc cnsurc uimpliancc.
❑ R9�en dcoatcrui�. iwtif;� and obiain
appro��al froni ihc local municipaliip
be(or dischargin_ n�ucr �o a sircci cuucr
or stonn drain. Fdvatiou or divcrsion
dvougli a basi�t �ank. or sedimciu �rap
❑ In amns of kno �n cnnmminaiion. msGng
is rcquircd prior io ceusc or discliar�c of
gmund�caccr. Consuh �rilh �u Enginccr �o
dciem�ine ��LctLcr icsting is required and
ho,c �o �morprei rsuns. conwmfnmcd
groundn�amr m�rs� be ttca�eA or hauled
oQ-sirc for pmper disposal.
Storm drain polluters may be liable for fines of up to $10,000 per day!
Painting & Paint Removal
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,�Y-- 1
PainlinF cicanup
❑ Nc� cr cica�i bnishcs or rinu paini
GOnla�ncrllnlo a slrcd. gullcr, stomi
flf.11n.0f51 f�.lGi t\�alef5
❑ For �ca�cr6ascd painls. paint oui bruslics
m ihc encm pauiblc ftinsc to �hc
smihan� soacr oncc yuu �u.-e gainm
pcnnission from Ilic local �.asic�.atcr
vcamicnl, utl�onn�. �c�•cr pour paint
dmm a drain.
❑ For oibbaxcd pniu�s. Uaim ou� bnrshns m
J�c c�lrn� possiblc ond cican ���iiL �hinncr
or solrcni in a proper coniaincr. Filicr �nd
rcusc lhiimcrs and soh�cros. Disposc of
residuc and wmsablc ihiuncrsolvcros u
har.vdm�s �vu�c.
rnim remoca�
O Chcmical painl strippine msiduc ond
diips and Jus� Gwn mannc poln�s ur
pain�s conmining Icnd or inburrhin iwn
bc dispomd ofas Imz rdous wa:ic.
❑ Painl I�i
c ps and dus� from nan I�ar.vdous
dn vripp ng anA s�nd blasing m, � bc
s��cpi up ar coll¢�cd �n plasiic drop
cludu and dispoud of as irash.
Landscapc �4atcrials
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❑ Canuin siockpilcd landsa�pinp maicnals
h�� s�nring ihcm undcr �arps ���hcn ilicy �ic
na� aclircly bcing uscd.
❑ Smck <rodiFlc londscapc momrial on
pallcis. Ca��cr or s�or� �hese ma�cnnls
�.�hcn il�n� am noi acii��cly Ixing uscd or
ap�licd.
❑ �iscmnimm upplicaiion efanr croAi6lc
Imidswpc mairrial �ciihin ^_ d.ivs bcforc a
forecav rain cccnt or �udng �vci wcaihcr.
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SaN NA7 EO Cd11NTYM(I�I
WaterPo�iution
►�event�on Program
Cleie Woce�. Ho�tthy ccm�unhy.
Requirements for Architectural Copper
Protect water quality during installation, cleaning, treating, and washing!
Copper from Buildings May Harm Aquatic Life
Copper can harm aquatic life in San Francisco Bay. Water that comes
info contact with architectural copper may contribute to impacts,
especially during installation, cleaning, treating, or washing. Patination
solutions that are used to obtain the desired shade of green or brown
typically contain acids. After treatment, when fhe copper is rinsed to
remove these acids, the rinse water is a source of pollutants.
Municipalities prohibit discharges to the storm drain of water used in the
instailation, cleaning, treating and washing of architectural copper.
Use Best Management Practices (BMPs)
The following Best Management Practices (BMPs)
discharges to storm drains.
must be implemenfed to prevent prohibited
During /nstal/ation
• If possible, purchase copper materials that have been pre-patinated at the faciory.
• If patination is done on-site, implement one or more of the following BMPs:
o Discharge the rinse water to landscaping. Ensure that the
rinse water does not ilow fo the street or siorm drain.
f3lock off storm drain inlef ii i�ecaec�.
o Collect rinse water in a fank and pump to the sanitaiy
sewer. Coniact your local� sanitary sewer agency before
discharging to the sanitary sewer.
o Collect the rinse water in a tank and haul off-site for
proper disposal.
• Consider coating the copper materiafs with an impervious
coating that prevents further corrosion and runoff. This will
also maintain the desired cofor for a longer time, requiring
less maintenance.
Sform drain rnlet is blocked to prevenf
prohibited discharge. The water must be
pumped and disposed of properly.
During Maintenance
Implement the following BMPs during routine mainfenance activities, such as power washing the roof,
re-patination or re-application of impervious coating:
• Block storm drain inlefs as needed to prevent runofF from entering storm drains.
• Discharge fhe wash water to landscaping or to the sanitary sewer (with permission from the local
sanitary sewer agency). If this is not an option, haul the wash water off-site for proper disposal.
Proteci the Bay/Ocean and yourseif!
If you are responsible for a discharge fo the storm drain of non-
stormwater generated by installing, cleaning, treating or washing
copper architectural features, you are in violation of the municipal
stormwater ordinance and may be subject fo a fine,
Contact Information
The San Mateo Countywide Water Pollution Prevention Program lists municipal stormwater contacts at
www.flowstobay.orq (click on "Business", then "New Development", then "local permitting agency").
FINAL February 29, 2012
Building with copper flashing,
gutter and drainpipe,