HomeMy WebLinkAbout2016-04-20; Planning Commission; ; SUP 15-02 - AGUA HEDIONDA CREEK RESTORATIONThe City of Carlsbad Planning Division
A REPORT TO THE PLANNING COMMISSION
ltemNo. G)
P.C. AGENDA OF: April 20, 2016
Application complete date: March 8, 2016
Project Planner: Pam Drew
SUBJECT:
Project Engineer: Sherri Howard/Kyrenne Chua
SUP 15-02 -AGUA HEDIONDA CREEK RESTORATION -Request for approval of a
Floodplain Special Use Permit to restore a section of Agua Hedionda Creek by removing
existing grouted rip-rap, controlling erosion by reducing incoming storm water flow
velocities, replacing the culvert outfall ramp with ungrouted riprap, and replanting the
stream banks with native riparian habitat. This project is generally located at 5855 Sunny
Creek Road and within a portion of the Agua Hedionda Creek in Local Facilities
Management Zone 15. The City Planner has determined that the project belongs to a
class of projects that the State Secretary for Resources has found do not have a significant
impact on the environment, and it is therefore categorically exempt from the
requirement for the preparation of environmental documents pursuant to Section
15333(d)(5) of the state CEQA Guidelines-stream or river bank stabilization with native
vegetation or other bioengineering techniques, the primary purpose of which is to reduce
or eliminate erosion and sedimentation.
I. RECOMMENDATION
That the Planning Commission ADOPT Planning Commission Resolution No. 7158 APPROVING a Special
Use Permit (SUP 15-02) based upon the findings and subject to the conditions contained therein.
II. PROJECT DESCRIPTION AND BACKGROUND
The City of Carlsbad has submitted an application for a Floodplain Special Use Permit (SUP) to repair a
storm water culvert outlet and stabilization of the stream bank on the Agua Hedionda creek near Sunny
Creek Road. The project is located on private property, but the city does have an easement for the outlet
and maintains this facility.
The creek headwaters originate in the San Marcos mountains to the east of the project site, and travel
downstream to the west, with a storm water culvert outfall conveying water from the south into the creek.
Currently, the stream banks on both sides of the culvert outfall have experienced heavy erosion and
washout, and private property is threatened by further erosion.
The existing grouted riprap in the culvert outfall, and within the stream bed, no longer suffice to prevent
stream erosion, and the project proposes more effective bioengineered solutions. Tlhe project is to
replace the failing grouted riprap and stream banks with bioengineered solutions that would prevent
further erosion with an approach that will utilize native riparian plants, naturally occurring materials and
will protect water quality.
The project will stabilize the creek banks and reduce further incising, widening and slumping of the stream
channel that currently threatens private property and deposits sediment in the creek. In general, the
project consists of crib walls along the eroded slopes on the east and west side of the existing drainage
culvert, which would add structural integrity to the stream banks. The project consists of natural materials
{'\ . .,
SUP 15-02-AGUA HEDIONDA CREEK RESTORATION
April 20, 2016
Page 2
such as logs, soil, boulders and native riparian vegetation. The crib walls are designed to withstand the
flow velocities and shear forces determined in the Hydraulic Analysis Report prepared by Chang
Consultants, dated November 2, 2015.
The work will be performed using excavators to protect existing mature trees. The storing and staging of
materials will be located to the west of the creek repairs and on the north and south sides of the terminus
of College Boulevard, just west of the intersection with Sunny Creek Road.
Storm water construction Best Management Practices (BMPs) will be implemented to protect against fuel
spills or pollution from mobilizing equipment. The project will be constructed with a clear water by-pass
system to maintain flows downstream and implement a Tier 2 Storm Water Pollution Protection Plan
(SWPPP). Additional BMPs include: 1) geotextiles and mats to protect site during construction; 2) fiber
rolls to protect site during construction; 3) stabilized construction ingress and egress (the access route
from Sunny Creek Road to the site has been paved in Class 2 base in preparation of this project).
Furthermore, the contractor will not be allowed to fuel or service equipment outside of the staging area
located on College Avenue. Below is a more detailed explanation of the project.
Stream Bank Stabilization
The project proposes an integrated stream bank restoration project which would !build one crib wall on
the east, and two crib walls on the west side of the existing drainage culvert. To add structural integrity
to the stream banks, bioengineered crib walls would be built on three foot diameter foundation boulders
which would conform to finish grade. The crib walls would have backfill with angular rock and soil mix to
· support riparian plantings at each step. The lower stretcher logs on top of the foundation boulders would
be placed with the rootwad outwards into the creek. This log crib wall will be constructed utilizing
salvaged eucalyptus trees that have been recovered throughout the year and stored at a city facility. The
ten-foot high log crib wall will be backfilled with a combination of granular soils, mulch and small rock.
The log crib wall will be planted with a combination of native container plants, cuttings and hydroseed.
Fabrics installed to hold the soil and planting in place are completely biodegradable.
Culvert Retrofit
Existing grouted rip-rap in the culvert would be removed, and the culvert would be outfitted with a rock
lined outfall ramp with a stilling pool outside creek to reduce the velocity and turbulence of the flow
before it enters the creek. Existing grouted rip-rap within the creek would also be removed, and two step
pools would be created. Step pools would be contoured with boulder risers, and pool bottoms would be
restored with engineering streambed mixtures that would be geomorphically appropriate for this section
of creek bottom with the intent of reducing seasonal downstream flooding.
Revegetation
The site would be prepared for revegetation using soil rehabilitation and fine grading. Revegetation would
occur concurrently with construction and would include both container planting and broadcast seeding
utilizing a native seed mix of persistent coastal San Diego native riparian plants that would support creek
bank stabilization and sediment control. Wherever possible, salvaged plants from the construction area
and cuttings which will be sourced locally will be utilized.
Irrigation
Irrigation would occur during the plant establishment period, and would utilize water from the existing
creek. The plant establishment period would begin immediately after construction. Landscape plantings
will be irrigated for two years with an irrigation system to establish the native plantings and the site will
be monitored for one additional year after the removal ofthe irrigation equipment to control weeds, trash
and pests.
SUP 15-02-AGUA HEDIONDA CREEK RESTORATION
April 20, 2016
Page 3
Trees
The existing trees will be protected in place unless the removal is required to implement the project. Two
trees have been washed into the creek due to stream bank erosion. The permit from the Regional Water
Quality Control Board (RWQCB) allows for the removal of up to 4 trees. One additional tree is shown on
the plans to be removed in support of the installation of this project. One additional tree may be
removed. RWQCB permit conditions require that trees be replaced at a 2:1 ratio and have allowed that if
necessary additional trees may be removed and replaced at a 2:1 ratio.
Ill. ANALYSIS
This project is subject to the following plans and regulations:
A. Open Space {OS) General Plan Land Use Designation;
B. Open Space (OS) Zone (Carlsbad Municipal Code [CMC] Chapter 21.33); and
C. Special Use Permit (Floodplain Management) Regulations (CMC Chapter 21.110}.
The recommendation for approval of this project was developed by analyzing the project's consistency
with the applicable city regulations and policies. The project's compliance with each of the above
regulations is discussed in detail in the sections below.
A. General Plan Land Use Designation
The proposed project is consistent with the goals and policies of the city's General Plan Open Space,
Conservation, and Recreation Element (OSCR) Public Safety Element (PS), and the project site's Open
Space (OS) Zoning. A number of goals and policies are identified in the Open Space, Conservation, and
Recreation Element to restore the natural vegetation along the creek bank and improve water quality
related to soil erosion and sedimentation. General Plan and Zoning consistency findings can be made for
the project.
B. Title 21 (Zoning)
The project has a zoning designation of Open Space (OS) which allows planting and maintaining of locally
native trees, shrubs and other native landscaping elements in order to restore or enhance the habitat
area. The project will restore the creek bank that has been eroded using a bioengineered solution, which
will include planting additional oak trees along the top of the stream bank. The bank will also be replanted
with native plants that would support creek bank stabilization and sediment control.
C. Special Use Permit (Floodplain Management) Regulations
Projects located within any area of special flood hazards must obtain approval of a Special Use Permit
(SUP) by the floodplain administrator (the city Planning Commission). The intent of these regulations is
to promote the public health, safety, and welfare and to minimize public and private losses due to flood
conditions. Chapter 21.110 states that "Flood losses are caused by the cumulative effect of obstructions
in areas of special flood hazards which increase flood heights and velocities, and when inadequately
anchored, damage uses in other areas."
The project complies with the requirements of the Floodplain Management Regulations and Special Use
permitting procedures as the installation of the crib walls, boulders and native riparian vegetation will not
reduce the ability of the site to pass or handle a base flood of 100-yearfrequency. The project will remove
SUP 15-02-AGUA HEDIONDA CREEK RESTORATION
April 20, 2016
Page 4
the existing grouted rip-rap and vegetation that have been deposited in the stream when the bluff eroded
and replace them with bioengineered crib walls and rock lined outfall ramp with stilling pools to reduce
the velocity and turbulence of the flow, which will not obstruct water from flowing through this area
should a 100-year flood occur.
Furthermore, the proposed installation ofthe crib walls and boulders will not create a hazard or adversely
impact development, or adjacent and upstream or downstream properties and structures in that the step
pools would be contoured with boulder risers, and pool bottoms would be restored with engineering
streambed mixtures that would be geomorphically appropriate for this section of creek bottom with the
intent of reducing seasonal downstream flooding. All structures will be designed to handle the expected
velocities and will be anchored to prevent floatation, collapse or lateral movement of the structures and
therefore will not cause obstructions in the area.
As a result of the project, it is determined that no adverse impacts to the 100-year flood hazard area would
occur from implementation of the project. Therefore, the proposed project would be in compliance with
the Floodplain Management Regulations.
IV. ENVIRONMENTAL REVIEW
The City Planner has determined that the project belongs to a class of projects that the State Secretary
for Resources has found do not have a significant impact on the environment, and it is therefore
categorically exempt from the requirement for the preparation of environmental documents pursuant to
the state CEQA Guidelines Section 15333(d){5L stream or river bank stabilization with native vegetation
or other bioengineering techniques, the primary purpose of which is to reduce or eliminate erosion and
sedimentation. In making this determination, the City Planner has found that the exceptions listed in
Section 15300.2 of the state CEQA Guidelines do not apply to this project. A Notice of Exemption will be
filed by the City Planner upon project approval.
ATIACHMENTS:
1. Planning Commission Resolution No. 7158
2. Location Map
3. Disclosure Statement
4. Reduced Exhibits
5. Exhibits "A"-"I"-dated April 20, 2016
NOT TO SCALE
SITE MAP
Agua Hedionda Creek Restoration
SUP 15-02
City of
Carlsbad
DISCLOSURE STATEMENT
P-1(A)
Planning Division
1635 Faraday Avenue
(760) 602-4610
www.carlsbadca.gov
Applicant's statement or disclosure of certain ownership interests on all applicatiions which will
require discretionary action on the part of the City Council or any appointed Board, Commission
or Committee.
The following information MUST be disclosed at the time of application submittal. Your project
cannot be reviewed until this information is completed. Please print.
Note:
Person is defined as "Any individual, firm, co-partnership, joint venture, association, social club, fraternal
organization, corporation, estate, trust, receiver, syndicate, in this and any other county, city and county,
city municipality, district or other political subdivision or any other group or combination acting as a unit."
Agents may sign this document; however, the legal name and entity of the applicant and property owner
must be provided below.
1. APPLICANT (Not the applicant's agent)
Provide the COMPLETE, LEGAL names and addresses of ALL persons having a
financial interest in the application. If the applicant includes a corporation or partnership,
include the names, titles, addresses of all individuals owning more than 10% of the
shares. IF NO INDIVIDUALS OWN MORE THAN 10% OF THE SHARES, PLEASE
INDICATE NON-APPLICABLE (N/A) IN THE SPACE BELOW. If a publicly-owned
corporation, include the names, titles, and addresses of the corporate! officers. (A
separate page may be attached if necessary.)
Person Sherri Howard Corp/Part City of Carlsbad
Title Associate Engineer Title. _________ . ____ _
Address 1635 Faraday Avenue, Carlsbad CA 92008 Address. ____________ _
2. OWNER (Not the owner's agent)
P-1(A)
Provide the COMPLETE, LEGAL names and addresses of ALL persons having any
ownership interest in the property involved. Also, provide the nature of the legal
ownership (i.e., partnership, tenants in common, non-profit, corporation, etc.). If the
ownership includes a corporation or partnership, include the names, titles, addresses of
all individuals owning more than 10% of the shares. IF NO INDIVIDUALS OWN MORE
THAN 10% OF THE SHARES, PLEASE INDICATE NON-APPLICABLE (N/A) IN THE
SPACE BELOW. If a publicly-owned corporation, include the names, titles, and
addresses of the corporate officers. (A separate page may be attached if necessary.)
Person Chase Coman
Title Owner
Address 5855 Sunny Creek Road
Carlsbad, CA 92008
Corp/Part. _______ , ____ _
Title ______________ _
Address _____________ _
Page 1 of2 Revised 07/10
3. NON-PROFIT ORGANIZATION OR TRUST
If any person identified pursuant to (1) or (2) above is a nonprofit organization or a trust,
list the names and addresses of ANY person serving as an officer or director of the non-
profit organization or as trustee or beneficiary of the.
Non Profit/Trust Non Profit/Trust ~------------------
Title __________________ _ Title ________________________ _
Address ___________ __ Address __________________ _
4. Have you had more than $500 worth of business transacted with any member of City
staff, Boards, Commissions, Committees and/or Council within the past twelve (12)
months?
D Yes I~ I No If yes, please indicate person(s): ____________ __
NOTE: Attach additional sheets if necessary.
I certify ~~~. ·;t ve information is true and correct to the best of my knowleo1ge. /Jf:/
# y: -----~ L.._, ,.,,_ ·1, .. v/~ 6¥1£ui "~ QCA~l<.p,Wl~
~gnah.\re of owner/date Signature of applicant/Hate
Chase Coman Sherri Howard
Print or type name of owner Print or type name of applicant
Signature of owner/applicant's agent if applicable/date
Print or type name of owner/applicant's agent
P-1(A) Page 2 of2 Revised 07/10
Sherri Howard
From:
Sent:
To:
Subject:
Hi Sherri,
Chase Coman <chasecoman@yahoo.com>
Saturday, October 10, 2015 10:54 AM
Sherri Howard
Re: Property address
In reviewing the application form I have found 2 items that need to be more explicit before I sign anything.
Bottom of page 2.
IN THE PROCESS OF REVIEWING THIS APPLICATION IT MAY BE NECESSARY FOR MEMBERS OF CITY STAFF, PLANNING
COMMISSIONERS OR CITY COUNCIL MEMBERS TO INSPECT AND ENTER THE PROPERTY THAT IS THE SUBJECT OF THIS
APPLICATION. 1/WE CONSENT TO ENTRY FOR THIS PURPOSE. ~
NOTICE OF RESTRICTION: PROPERTY OWNER ACKNOWLEDGES AND CONSENTS TO A NOTICE OF RESTRICTION BEING
RECORDED ON THE TITLE TO HIS PROPERTY IF CONDITIONED FOR THE APPLICANT. NOTICE OF RESTRICTIONS RUN WITH
THE LAND AND BIND ANY SUCCESSORS IN INTEREST.
As you know, 1 am not opposed at all to city employees or their agents coming on to my property relative
to this storm~at~r drainage facility restor~tion project. I do re~uire that.l gave at l1east 24 hours notice
and that not1ce Is acknowledged by me either by text or email. Clft/
The second item also at the bottom of page 2 is as follows :
NOTICE OF RESTRICTION: PROPERTY OWNER ACKNOWLEDGES AND CONSENTS TO A NOTICE OF RESTRICTION BEING
RECORDED ON THE TITLE TO HIS PROPERTY IF CONDITIONED FOR THE APPLICANT. NOTICE OF RESTRICTIONS RUN WITH
THE LAND AND BIND ANY SUCCESSORS IN INTEREST.
What does this mean? This statement needs to be explained explicitly in writing before I consider signing.
On Oct 8, 2015, at 2:34PM, Sherri Howard <Sherri.Howard@carlsbadca.gov> wrote:
1
Chang~
Ci'JiiEngineering"Hydrology-Hydraul!c:s•SedriTJ€!11l11ton
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CONSTRUCTION PLANS FOR:
SUNNY CREEK STREAMBANK RESTORATION PR00ECT
PR00ECT NO. 6618
INDEX OF SHEETS
NOTWSOOE
INDEX OF SHEETS
9/ffil 91m2 9/WJ 9/ffi4
T111E SHm; NO~ & \ICINITY MAP NOlES AND Dflrlal110HDErAJI. CIWJNG PI..ANS .t OfTAA.S CXWJRA~S Acct'SS R001F DErAil.
REFERENCE DRAWINQS
D\lt' 27J-J /IJPRO\£MENT PI.ANS FOR CARLSBAD GABAY CENTm
SPECIAL USE PERMIT SUP 15-02
CITY OF CARLSBAD
CARLSBAD, CALIFORNIA
CITY COUNCIL
MATT HALL -MAYOR
KEm-1 BLACKBURN-MAYOR PRO lEM
LORRAINE M. WOOD -COUNCIL MEMBER
MARK PACKARD -COUNCIL MEMBER
MICHAEL SCHUMACHER -COUNCIL MEMBER
PATRICK A. THOMAS -PUBLIC WORKS DIRECTOR
LOCAllON MAP
NOT TO SCALE
pecLARA.JlON OF RESPONSIBLE CHARQE
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I UNDERSfAMJ THAT THE Q£lX OF PRO.ECT DRAWNGS AND SKQF1CATIONS BY 1H£CJTYOFCMtS!lAD DOES NOT REJJ£1£ ME AS EJK:IN££ROFI!tWIG OFMY R£SP(JHSI811fTIESFORFROJ£GTDf'SIGN.
CHANG m/SULT»>1S
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ORADINQ NOTES
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SOURCe OF TOPOGRAPHY
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PRo.JECT L.OCAllON
THIS PRO.£CT/Sl.OCA1ED IH7HIN ASSESSORSPARCEI.NUNBER(S): 209-040-!S THE CAUFORNI.A COORD/NAT£ /ND£X OF 1HIS PRD.E.CT IS: N 3.54 E" tBB:J
SOIL. SPECIFICA'IlONS
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w~ents.;om•W!W!doogcooS<ltmis.!?!!!!l SCAL£: 1"·20'
EROSION CONtROL. NOTES
I. IN CAS( EJIERGENCY IMlRK IS RroU/RED, CONTACT SHERR/ HOWARO AT 78(}-802-772JJ. 2. EQUIPMENT AND llai'KfRS FOR ENERG£HCY 11tWK SHAll. 8£ MAD£ AVAILABI.£ AT AU. TIM£5 DURING THE RAINY SCASDN. N.J. NECESSARY MA'IWALS SHAll 8£ STOCKPILED C11 SIJE .AT (;(}HI£N/ENT LOCA1JCWS TO FAaLJTA'Ir RH'ID C!t4STRUCJIOH OF TEliPORARY 0£\fCfS llf£H fWN IS ENINEHT. .1 FOR PRO.EC1S cm£RfD BY STAT£ SIIPPP/MOID, IN ACCORDANCE III'TH 1H£
ctmJRUC1JON ORDER ISSUED BY 1H£ CAJ.JroRN/A RWDNAL WA1ER QIJAJJTY C!t41RO/.. BOARD, 1HE QUALJFIED SIIPPP PRAC1JTJOHER (QSP) SHAU. UPOA Tr AND MAINTAIN THE WA1ER PW.U110N CONTJrof. (\IPC) PLJ,N ID ADMfSS UPDATED SHE CONDITJCWS Of 1H£ PRO.ECT. THE UPDATED MPC PLAN AND UPDATED S11PPP SHNJ. BE KEPT AT THE: PRO.ECT Sl'lr AND MADE AVAILABLE
AND/OR EROSION CONTJrof. PLAN SHAll 8£ INCORPORATED HfREON. & GRADfD AREAS AROUND THE PRO.ECT PfRIII/£JER MUST DRAIN AWAY FROI.I 1H£ FACE OF SLCf'E AT 1H£ CONa.US/CN a: EACH ttORKING DAY. 9. ALL REAIOVABtE PROTCCJI~ DEMCfS SHOIW SHNJ. 8£ IN PU.C£ AT 1H£ END CF EACH 11t1RK1NG DAY \IHEN THE R~ {.5) DAY RAIN PROBABii..JTY FOR£CAST fXCEEDS FORTY PERCENT (.fm(). SILT AND OTHER DEBRIS SHAll 8£ RSIOW AFTER EACH RNNfAJ.L.
AU. ~W.. BAGS SHAU. 8£ SfJRJ..AP TYPE: MlH J/of INCH MINIMUM '""""""' ft. SHOOW GERIIIHA7/0N OF H'lfJROSEEDEO SLCF'ES FAIL. ro PRCM~ EI'FrCJI~
CO\-fRAGE Of GRADED SLOPES (90;t' CO\-fRAGE) PRIOR W NOVfl/BfR 15. THE: SLCF'ES SHAll 8£ STASUZED BY PUNQI SrRAW INSTALLED IN ACCORDANCE llf1H SECliCN .15.02.J OF THE £ROS/CW ANO SEOIItiENT CONTROl. HANDBOOK OF THE DEPARDENT Of CONSERVATION, STA1E OF CAUFORNIA.
GENERAL. NOTES
NO 1RIMMINGOF \.£GFTA1JO\' SHN.L OCCUR B£1II£EH FFBRUARY" AW SCP1EAIBER" OURJNG THE BIRD 8REEOHG !£.ASON, UM£SS A QUAJJF1ED BKl..DGIST CONDUCTS A FOCUSED SUM"YFORBIRD NESTS NOT MORE THAN 72 HOURS PRIOR ro CONAIEJICEMEHT OF IFGfTATION TRIIIIING AC!l\fTB IF ACJIK" NESTS ARE FOOND, 1H£
arts CONTR.AC"TrlR SHAJJ. CD.S£ \£1£TA1JC:W JRMI/1/NG AC11m1£5 llf1H/N 500-FOOT Bt.IFFfRmEAROOND1HENESTS11E.ItSDE1ERIIINEDBYAQVALJFIEOSIOLOGIST,UifflL .JJ\£NILESHAI£FI£0CE.D ltMJ 1H£NF:S11NGC"ItU"/Sca/PtE1£. FURJHfRIIOIIf, NO ACU\fliES 'MilCH IIOI.UI RE!U..T IN NfJS£ LE\aS EXC££0/NG 6D DBA HOORt.Y l£0 MfTH/N 1HISSDO-FOOTBUff£RSHN.LB£ALLDMEPDURING 1H£8/RDBREEDHGS£.ASal.
DEMOUT10N DETAIL. SCAL£: ,._ 10'
LEOAL. DESCRIP'TlON
PORJICW OF LOTS Of'MAP823
OWNER
CRASE cal~ 5855 SUNNY CREEK ROAD 001.58W,CA92008 76D-9JI-9775
DEVEL.OPER
OTYOFCARI..5BAO .ATTI't SHERRI HOWARD 1635 FAR.ADAYJ.VE:NU£ Co\RI.SBAD.CA92008 76D-602-2756
REJ'I:RENCE ORA WINOS
DRAIHNG 273-J
EAR'THWORK OUANTTTlES
CVT: ___ o_CY Alli--'-"'-CY
/IIPORT;--100-CY
"""""'--'-cr REAIEDIAL:~CY
REVISION DESCRIPTlON
SUP 15-02
THE GRADING IIO'i'KSHAU. Bf:PERFDINEDIN.ACCORDANCE III'TH JHE:Fru.OIIING DOCI.IUENTS, CURRENT AT THE: JIM£ CF CCWSJRUCliCN, AS OJR£C1ED BY THE OTY ""'"""· C4Rl.SBAOIIIJMCIPALCCOE arYOF'CARLSBADENGIIEEJIIIGSTANDAR/JS THJSSETOF'PI..ANS THE STANDARD SPWFICAJIONS Fal PUBUC IIORI<S CONSTRUCTION(CREEH
PRo.JECT INFORMAllON
I. R-A-10,000 ZCII£ 2. GENERAL PI...ANDESSGHAJICII: OPENSPACEUNPU.NNEO .1 atsTING 1 PROPOSED LAND use REStO£NnAL of. FIR£ HAZARD ZONE: \£l?Y HIGH
LEGEND
Pl10f'CJSB}L00S
PROPOSED GRADE BREAK UN£
PROPOSED OA'IUGHT LINE ~--·~o--~
....--.o-
-----di}·-----
...J ~ ~ :::> CIJ
X al
I
~ :ij
::i w a:
I PilOT-e"'""'""'"""""' II D..
STCRMWAml REQVIRENEN1S THAT APP!.'f.> E:XaiPT FROM IIYORCJt.IOOff7CATIC:Wr
~ STANDARD 51tVlloi'WAml R£00/RaiENTS 1:'8:] '1£5 (SEE SIII.IP FOR DOCUMENTA110N) D PRIORITY PRO.ECT RWUJRENEN1S D NO
""' DBSCI!IPTION ........., ...........,. ........, IWNTINANCI ....... cv
"AS BUILT"
~
[Sillfl CITY OF CARLSBAD I S~EETS I L..!...J ENG!NEER!NGDEPARTMENT 4
SUNNY CREEK STIIEAMBANK RESTORATION PRO.JECT
I-TON RIPRAP (4.3' THICK) OVER
1.5" GRAVEL ALTER BLANKET (1'
THICK) ON 1' THICK SAND (25%
PASSING NO. 200 SIEVE) LAYER. --GEOlEXTILE PER SOILS ENGINEERS'
_RECOMMEND A TlON CAN BE
SUBSTlTUTED FOR GRA VE"L AND SAND ALTER MATERIAL
OliTFALL PROFILE
SCAL£: I'~ 10'
I-TON RIPRAP (4.3' THICK) OVER 1.5" GRA\IfL FILTER
--BLANKET (I' T/-1/CK) ON 1' THICK SAND (25% PASSING -NO. 2QO 51£1/E) LAYER. GEOTEXT!LE PER SOILS
ENGINEERS' RECOMMENDATION CAN BE SUBSTITUTFD
FOR GRA\IfL AND SAND ALTER MATERIAL.
------::-:c-t---:cc----,-------
BIOENGINEERED CRIB WALL SECTION B-B
SCAI£:1'"'5'
I-TON RIPRAP (4.3' THICK} 0\!fR
1.5" GRA\IfL ALTER BLANKET (I' THICK) ON 1~ SAND (25% PASSING NO. 200 SIEVE}
LA YE:R. GEOTEXTIL£ PER SOILS ENGINEERS' RECOMMENDATION CAN BE SUBSTITUTED FOR
GRAVEL AND SAND FILTER MATERIAL. ~--....
SECllON A-A• SllLLING BASIN
PROPOSED CHANNEL RIPRAP PRORLE Chang®~OlJilm1'l SCA!£: I"= 10'
Cl'iiiEngmeenng-Hydrology·Hydraui~SedimenlaiiOfl
POB11t9¢96 T{ll5ll)692..076tl RalchoSantaFe,CA92007-4496 f(858)832-141)2 wayoo@clnmgcon3Utan!sCQm•~""Hcil!nxonsultllfltsCMI
0
f
SCALE: 1" = 10'
3/4~ HD
ROO
CROSSING BTWN HEADER AND
STRETCHER LOGS (TYP)
HD GAL V DOUBLE NUT
AND 1/4• x 3~ WASHER
(TYP)
=
1 EXIS.NG GI?OIJND 1:
BOLTS SHOIMJ HERE ARE NOT ALL IN THE SAME VERTICAL PLANE. PRECISE VERTICAL
AND HORIZONTAL LOCATION OF BOLTS IN RELATION TO EACH OTHER DEPENDS UPON EXACT DIMENSIONS OF LOGS USED. DRAit1NG
IS MEANT TO ILJ..USTRA TE THE REQUIREMENT TO BOLT EACH COURSE OF LOGS TO BOTH
ADJACENT COURSES AND AT EACH CROSSING.
LOG CONNECllON DETAIL
PLAN VIEW
SCALE: I"= 10'
BOULDER PLACEMENT N011ES
I-TONRIPRAP(4.J'THICK)OVER1.5'GRA\.£LFILTERBLANK£T
(I' THICK) ON I' THICK SAND (25X PASSING NO. 200 Sin£)
I.AnR. G£0TfXTIL£PER SOILS ENGINEERS' RECOMMENDATION CAN BE SLIBS7111JTED FOR GRA\'fl. AND SAND FILTER MATERIAL
.. . •'' ·'
UMITSOFPERMANENT/MPACTS -PERBAl.ANCfH)VROLOGICPI.AN •
I
STORM~NEASEJJENTTOTHECJTYOF CARLSBADRECORDEDJANUARY27,1989
ASDO!jUM£NTNO. 89-045404 ----
SUP 15-02
1\_. :. "\ £XIS7/NG F£J./A j ---'· ZONEAFLOODPUIN ---
UMITS OF TEMPORARY IMPACTS
""""-
CHASEHCOMANTRUST 5855SUNNYCRffKROAO CARLSBAOCA92010 APN:209-040-15
!. CONSTRUC7/0N TO BE PERFORMED llfTH MIN/EXCAVATORS THATIIILLNOTOAMAG£ROOTS.
2. EXISTING TR££S TOBEPROTEC1fDINPLAC£UNLESS OTHER'MSE NOTED ro BE REJJO'iEO OR TRIMMED. J. IKIRK W 8£ PERFORMED WITHIN THE PERMANENT MID "'Iffo~~Riift,jgT;(?J..A· THE EXISTING OR~NAGE EASEMENT
4. ALL EMPLOYEE PARKING, EQUIPMENT 1R~I.ERS NON-ESSENTIAL \1£1/ICLES !WO MATERIALS SHALL BE STORED IN OFFSITE STAGING AREA 5. SA/1/TARYFACIUT/ES TO BE LOCATED IN STAGING AREA.
~ ::g:~ SJ:f#ffr/fJ/~BJtig-gc:r ~~l::tffORM DRAIN EASfMENT.
A TRENCHING, PLACEMENT OF SUBGRAO£ MATERIAL AND PUCDrlfNT OF THE BOULDERS SHALL BE SUCH THAT THE TOP
OF THE UPPERMOST COURSE OF BOULDERS CONFORM 'MTHIN 6-!NCHES OF THE EI.£VATIONS SHOIW ON THE
DRAI\INGS.
B. TRENCHING SHALL BECOMPL£1£D TO THERfQUIREOOEPTHSAFTER IIHICH THE SPECIFIEO GEOIDml.£ SHALL BE
INSTALL£D AND A MINIMUM 0.5-FOOT LAl'FR OF (APPRO'IED SUBGRADE MATUIIAL) SHALL BE PLACEO. BOULDERS
AND SHALL 8£ PUCEO ON TOP OF 1HE SUBGRAO£ BY MECHANICAL MEANS. DUMPING SHALL NOT BE AN
ALLOWABLE PLACEMENT METHOD. EACH COURSE OF BOULDERS SHALL BE MECHANICALLY COMPACTED. COMPACTION 1\11HEXCAVATORBUCKETOR OTHEREQUIPMENTISALLOWABU:
C. EACH BOULDER SHALL MAKE FIRM CONTACT \liTH ADJACENT BOULDERS. BOULDERS PLACf() SUCH 1HAT THEY 00
NOT MAKE FIRM CONTACT \liTH ADJACENT BOULDERS SHALL BE REPLACED 1V CONFORM TO THE SPECIFICATIONS HEREIN. ALL BOULDERS ABO\!£ THE BOTIDM COORst SHALL BE BUTTRESS[() A MINIMUM OF 0. 75 FEU IN 11-iE OOJINSTREAMDIREC7/0N.
"AS BUILT"
D. r:i~~~:::%/;';"~LLTH:J ~~~~~~~HC::O~rJ'c51:;p~":mRf:fr e;J:ofl~/i:r.7:sA~fi£~'fro ~ffu THE fooo;c,;cocw;cc;;-, ;;;o,;:-. ---------1
(JlPPRO'IED BACKFILL MATERIAL) SO 11-iERE ARE NO WJIDS RfMNNING LARGER THAN J INCHES IN MIY DIMENSION.
IF MULriPLf COURSES OF BOULDERS ARE TO BE PLACED, BACI<FILUNG MID CHINKING SHAll OCCUR AF1ER EACH COURSE ASNEfDEO TO ENSURE NO VOIDS LARGER THAN J/NCHESREio/AIN WHEN THE \lt"IR/( /SCOMPI.flE. ~
~ CITY OF CARLSBAD 1'"""1 L..i!_j ENGINEERINGDEPARTMENT 4
SUNNY CREEK SlREAMBANK RESTORATION PRo.JECT
REVISION DESCRIPTION
...J g
:::!: ID ::> (/)
X ~
I
~ <( z ~ ::J w a: 0..
Chan~
llf:t ........ ~
!QJ];Il
NJ.YLt.Waf'III!WJfr~ N~~~ IGTOIZID.ItQIItoJIGUIGl CIWIIoliCD IMY W£11 JD Clll" Rllll ~ MC N"_.-Wtl: fill UDI..CrTCXIUII" AIC. ~.-wt~•-U'anllt«lttMM~-.•--...•r• ~AIIW...tllWIJrJOJllttDifiDKIOOIIIDMIWtc:f'DC.
<XlNTRACTOAII ACXE88 fiOUTE DETAL _,.f<'U
REVISION OESCRtP OON Do.rl l ....
on-
SUP 15-02
• AS BUILT"
OC<--O<P---OAI[ ........,,.,
"'"'""'" ----.;:;;----
crJI Cl'tl(~,t ~$~AD lw
IC1U.DiiiCIOUNIP6it I
~~~
~ ~ ~
X ~
I
~ ~ :::l ~
SI-IED
BOTANICAL NAME
! BACCHARJS SALICIFOLIA MULEFAT 1 GALLON
HETEROMELES ARBUTIFDLIA TOY ON 1 GALLON
PLATANUS RACEMOSA VI/ESTERN SYCAMORE TREEPOT•
QUERCUS AGRIFOLIA COAST LIVE OAK TREEPOT4
SAlJXEXIGUA NARROW-LEAVED WILLOW 6'-0"LONG
POLECUITINGS 2' ... ... SA GO I SALIXGOODD/NG/1 BLACK WILLOW 6'-0"LONG POLE CUTTINGS , ..
e I SALA lsALixLAsiOLEPIS IARROYOWILLow I PO~;t>;b~1~85 I 2'-6'
1'1 4 OAK TREE PlANTING LOCATIONS ARE SHO\NN ON Ti-lE i=>I.ANS; THE CONTRACTOR SHALL INSTALL 4 ADDITIONAL OAK TREES TO BE FIELD lOCATED BY THE ENGINEER; SEE NOTE THIS SHEET
UNDERSTORY SPECIES <<1
ANEMOPSIS CAUFORNICA YERBAMANSA 1 GALLON
CAREXSPISSA SAN DIEGO SEDGE 1 GALLON
EL YMUS TRITICO/DES CREEPING WlLDRYE 1 GALLON
SAN DIEGO MARSH ELDER 1 GALLON
JUNCUS ACUTUS SPf'. LE.CPOU;m l SPlNY RUSH 1 GALLON
JUNCUS MEXJCANUS MEXICAN RUSH 1 GALLON
DEER GRASS
CAL!FORNIA WILD ROSE 1 GALLON
SALJXEXIGUA
SALJXGOODD/NG/1
SAUXLASIOLEP/S
E~Jl~~ I DETAILS
AS SHOWN ON PLAN a
AS SHOWN ON PLAN 16 AIP-2,
AS SHOWN ON PLAN a BIP-3,C/P-3,DIP-3
AS SHOWr-1 ON PLAN a("
AS SHOWN ON PLAN 12
AS SHOWN ON PLAN 6 I A/P-3,'6'jp~·.DIP-3
AS SHOWN ON PLAN 32
TOTAL
LOWER SLOPE
LOWER SLOPE 12
LOWER SLOPE 14 A!P-2,
LQINER SLOPE 10 81P-3,C/P-3,0/P-3
tvNERSLOPE i4
LOWER SLOPE 15
UPPER SLOPE 48
UPPER SLOPE 25 8/P-3,0/P-3
UPPER SLOPE 25
TOTAL 178
AS SHOWN ON PLAN 240
AS SHOWN ON PLAN 120 I A/P-3,'6;-:a·.D.IP-3
AS SHOWN ON PLAN 360
TOTAL 720
SPECIAL USE PERMIT SUP-15-02
LANDSCAPE SHEET INDEX
SHEEr NO.* DRAWING NO.
P-1 P-2 P-3 I-I 1-2
DETNL
' THE LANDSCAPE PLANS COMPLEMENT AND SUPPORT THE CML PLANS PREPARED BY CHANG CONSULTANTS.
g
5' 2.5' 0 5' 10' 15'
GRAPHIC SCALE: 1·= 5'-0N
SEED MIX -1YPE 1
SYMBOL I BOTANICAL NAME COMMON NAME PURE LIVE SEED I j~Q:l,l_:~:!cREI
2.0 t,~f.;:;~·~;.;_;~:~~ AMBROSIA PSILOSTACHYA WESTERN RAGWEED f5~0~~(.~.)~\~ ARTEMISIA DOUGLAS/ANA
~~-0~~~1~:}}~~~ ;::r::1,:::;:~
EL YMUS TRITIC!OIDES
(·~"i.:·~~;~;:i~_;:~tl JUNCUS BUFONIUS
m;1Bl~~I~ MUHLENBERG/A PJGENS
SAN DIEGO SAGEWORT
COASTAL SAlT GRASS
CREEPING WilD RYE
TOAD RUSH
DEER GRASS
2.0
1,0
70 2.0
4.0
3.0
60 I 1.0
TOTAL 15.0
_ AU. ARE'AS DISTURBED BY foNY lEMPO!WlY IUPAClS DUE SAID ARE'AS SfWL BE PREPARED FOR PlANTING ACCORDING ~TH SEED MIX l'rPE I. REFER TO CML PLANS FOR THE
REFER TO SHEETS P-2 AND P-3 FOR PLANTING NOTES, DETAILS, CROSS-SECTION, AND ADDITIONAL INFORMATION.
REFER TO SHEETS 1-1 AND 1-2 FOR IRRIGATION PLANS, NOTES, DETAILS, AND ADDITIONAL INFORMATION.
eLl "'I '"I i •
11~1~ jj !I
!i~hh
~~
"0 ~0 Dcn>N .O...:s::<(m cnL -co >-.o o;;:ou u -o uo --·-~.....-u o::aoo ~"-.g t:: LO-c u l"'lo
<OU
z y:O
t;J~
:z:[Y[Y .:::Su~ a...<((/) ow c.::> ZOO: :z:O ~0~ .:::Sw<( a...Irn
<(2 ::::J<(
c.:JW <([Y 1-(/)
1.
2.
3. THE TERM "ENGINEER", WHEN USED IN CONTEXT OF INSPEC]ON~ND APPROVALS NDITD ON iWM~I1t~~~dNwT/I.Ec~J~/k!YAfi?EN~o~~c\\1ftl/ l~lfF.&no~sA~D~~DVALS.
4. iNSfWESE
L REVEW ON MEETING
5' ~R~~l ~RC.\bf1¢6RRH,(kl'(tt,O~or~~~~~5NAR_4DAP.C,~~~~TEBY V!Jt ~~~t~0~EFDRE BEGINNING WORK.
6. THE CONTRACTOR SHALL OBTAIN AND PAY FOR ALL PERMITS NECESSARY TO COMPLffi WORK.
7. ACCESS TO THE WORK AREAS SHALL BE AS SHOWN AND PRESCRIBED ON THE CML PLANS.
B. THE CONTRACTOR SHALL BE RESPONSIBLE FOR AVOIDING IMPACTS TO ANY EXIS]NG SITE ~WR~~E0~1RW'c:Wfi. VE~~D~Jrll]I'1N~Rst~Afb_%J& l)l.li.J~~Eg::: \WfKc~M_lb-g~~J.u_ ~P~~~RAl\hl\fJ>I,\\~ ~~~\lhd~-~~lfur~N~NW~ ~ETR~Ec~. THE CONTRACTORS
9. THE CONTRACTOR SHALL INSTALL AND MAINTfoJN BMP'S FOR THE DURA]QN OF THE PROJECT ERI.Worfl5~~1]pg IJXy~t ~~81~1~t~ ~~SD~H~%TJS&~EfA1\:IB_&o0~ITE
10. eM~.H~~~B~. CD~?+ I!Jlf~~~E'RrlF~Jf THAT REQUIRE MANAGEMENT WHEN THE
1 1• ~AN~,2\l~ ~B~~W~fM&l?~J~NXNlPoW~~TWo Efc~8~o~~~ 116Efi11[1 P~bJfc!PBAD DRAWINGS AND SPECIFICA]ONS.
12. ~~fDi'vAl' ~~vb"u..?JrLkc-v~~'[.Jrr6H¥-ri~W,fu};lt
13.
14
• ~e~~~~&ME~fflT~aNffiv~]~TsJkN%~~~~~~Em1tlJs~Twnlf'a~~~~MANJvELS DR
15. SPREAO EXCESS SOIL MATERV>.L EXCAVATED FROM PLANT PITS TO ESTABUSH SUBGRADES IN SURROUNDING PLAN]NG AREAS ACCORDING TO THE DIRECTION OF THE ENGINEER.
16. COMPACT SOIL IN PLAN]NG AREAS TO A MAXIMUM OF B5% RELA]VE DENSITY CDMPACmN.
17• ~~~~lli~~WI!JNR~~~~~Do~A~lml'.WriHJ &\'ii.ESJ!l:u~UtWut~tMWrlTN~Hf6LTilf cML PLANS.
1 B. THE CONTRACTOR MAY BE RESPONSIBLE FOR THE POST -INSTAULA]QN PLANT ESTABUSHMENT PERIOD AS PRESCRIBED IN THE SPECIRCA]QNS, AS AN OPTIONAL BID ITEM.
19. AT ALL ]MES RERER TO THE PROJECT SPECIRCA]QNS AND DETfoJLS ON THE DRAWINGS FOR ADDITIONAL REQUIREMENTS.
20. _ VERIFY SOIL CONDmONS AND NEEDED AMENDMENTS AFTER RNISH
foR T~~~~u'(nii~~~IT(l,\m3JEfr.llrffttjl~ITf?. s~IIH sm&~EW/0 HAVING OVIDED.
21.
22. CDNSTRUC]ON STAGING SHALL OCCUR IN A MANNER THAT NO OVERNIGHT STORAGE OF wglj~~~ £1l~RUCfiON MATERV>.LS, OR EXCAVATED MATERV>.LS SHALL OCCUR WITHIN NATIVE
23. A CERTIRED ARBORIST SHALL PROVIDE WRITTEN DIREC]QN TO THE CONTRACTOR TO PROVIDE F.JWJ1'$/Wr~N~·R-fiP~dR~NING Of TIREE ROOTS, TIRUNKS AND UMBS DURING THE COURSE Of
2. THE REVEGETA]QN WORK WILL BE CONDUCTED CONCURRENT WITH THE ENGINEERING CONSTRUCfiON FOR SEAMLESS INSTAULA]ON OF THE BIOTECHNICAL TREA]MENTS SHOWN ON THE PLANS AND CROSS-SECmN.
3. SHALL ONLY OCCUR WHEN ENVIRONMENTAL CONDmONS ARE FAVORABLE ASED ON STANDARD HORTICULTURAL PRACTICES. PLANTING OR SEEDING U~Dr:MPERATURES ARE UNREASONABLY HIGH, OR IF THE SITE IS
4. §~fc~R£~~0~to:oiEsEVE~¢JlgN R~t\\'M~f~g2~o~g~L ~~~fAJI8.~~J~CCORDING TO THE
5' ~t ~~G~}l¥1b~NV_JS~_l'F~~]~RblfoW c~lfu8[B§~~~SSTS~LLC1fM~D p~8E,R\!i\\ND FROM
DPERA]ONAL, AND APPROVED 8Y THE ENGINEER BEFORE PLAN]NG AND/OR SEEDING.
6. EIR SIZE. ROOT L BE FREE OF ALL MATERV>.LS KIND BY THE
7. THE CONTRACTOR SHALL FOLLOW THE LAB TES]NG SOIL AMENDMENT RECOMMENDA]ONS AND QUANTmES AS PRESCRIBED IN THE SPECIRCA]ONS AND SOILS ANALYSIS RECOMMENDATIONS BEFORE ANY PLANTING OR SEEDING.
B. ALL CONTfoJNER PLANTS MUST BE PLANTED WITHIN 10 WORKING DAYS FOLLOWING DEUVERY TO THE SITE. THE CONTRACTOR SHALL BE RESPONSIBLE FOR WATERING AND PROTECTING ALL PLANTS AND MATERV>.LS STORED ON-SITE.
9.
10' ~l:iitl ~'Wro~~fiitfl~ijRS:IP~~&\'r0:fE'~~[ ~~U11~~gR~O~N§);sJfl«uJ18~~ BE APPROVED 8Y THE ENGINEER.
11. NO TIREES SHALL BE PLANTED WITHIN RYE FEET Of WATER MAINS DR OTHER U]umES. THE h~~~~% %EtoJ~~~Arw: ~pSJ~i~~~ffi\/i P~rm ~~hJlElrr~~DB~NAPlJl~ofllfr§' THE ENGINEER.
12. L81:XTIBW,JNGS SHALL BE HARVESTED FROM UVE HEALTHY TREES COLLECTED AT CITY-APPROVED
13. ALL DONOR TIREES FOR POL£ CUTTING MATERV>.LS SHALL BE PRE-APPROVED 8Y THE CITY. ALL ~'(1~h~~~ARA]ON AND INSTALLA]ON Of POL£ CUTTINGS SHALL CONFORM TO THE
14. ROO]NG HORMONE SHALL BE APPUED TO THE BELOW-GRADE PORTION Of THE POUE CUTTINGS BEFORE INSTAULATION.
15' ~l:%!f\~8 ~8[rss~%_P~J£JblJil\tJ1~ ~~tB-fJ:U~b~CDA~6 fA1J~~ffDIN°~J\!f; ~~WisNo1c·wl\W WATER INTO BACKFILL DURING INSTAULA]ON.
16. SOIL SURROUNDING POL£ CUTTINGS SHALL BE KEPT MOIST DURING THE PLANT ESTABUSHMENT PERIOD.
17. CONTNNER PLANTS AND POL£ CUTTINGS SHALL BE PLANTED ACCORDING TO THE DETfoJLS ON THE DRAWINGS AND THE SPECIFICATIONS, AND SHALL BE WATERED THOROUGHLY IMMEDV>.TELY AFTER INSTALLAmN.
1B. PLANTING HOLES SHALL BE RLLED WITH WATER AND ALLOWED TO DR/OJN COMPLffiLY BEFORE PLAN]NG CONTfoJNER PLANTS.
19' ~D'1f,~~~l'I,(WD ~!/-N1~~t~D~uWB:N~E~T~ ttJ1F'MB~1f%~tN~t.&STt/sif'~'/row'lf 6\t'WE PLANS.
20.
21. All CONTAINER PlANTS AND ALi CUITINGS Will BE WATERED IMMEDIATELY AFTER INSTALLATION.
22. ~5\'~o'!fD Lfil'«fbR!fS]~~_&\H~ ~~f!l~~JE_&bN~~ t~~~H&f~IREMENTS, INCLUDING
1.
2.
SPECIAL USE PERMIT SUP-15-02
'W~§:fc~lT~~~~MWo~~~~E
DV>.TELY AFTER ACCEPTANCE OF THE ~]ON, AND IS EXPECTED TO CONTINUE FOR 24 MONTHS AS DIRECTED BY THE CITY Of
3. PLANT ESTABLISHMENT WILL INCLUDE WATERING, IRRIGA]ON SYSTEM DPERA]QNS AND ~~P~&'Jrfrfr ~etiiTrlf~dN]\¥s~6I1J'GDf J[(~~BS CONTROL, DEBRIS REMOVAL, AND
4. THE TARGET SURVIVAL RATES FOR THE REVEGETAmN PLANTINGS AND SEEDING AT THE END OF THE PLANT ESTABLISHMENT PERIOD SHALL BE AS PRESCRIBED IN THE SPECIRCA]QNS.
5.
STRESS (CAUSED. BY DVERWATERING OR. UNDERWATElliNG), STUNTED GROWTH, WJL]NG, PREMATU~E LOSS OF LEAVES (FOR DECIDUOUS SPECIES), AND PREMATURE YELLOWING Of LEAVES {FOR DECIDUOUS SPEC1ES).
6. ALL TIREES AND SHRUBS SHALL BE MAINTfoJNED REGULARLY TO PROMOTE HEALTH AND ESTABLISHMENT.
7. DEAO BRANCHES AND DEBRIS SHALL BE REMOVED AS QUICKLY AS POSSIBLE AND DISPOSED OF OFFSITE ACCORDING TO STATE AND LOCAL REGULA]QNS.
8. FERTIUZA]ON AND PEST CONTROL MANAGEMENT SHALL BE CONDUCTED AS NECESSARY TO ADDRESS SITE PROBLEMS.
9. DEAO PLANT MATERV>.LS SHALL BE REMOVED DFFSITE ACCORDING TO STATE AND LOCAL ~~uw~~~;s~BrNb"W'c~IM-k 2§ S~FciAirY ~IJ,\!cT~tD~DENTICAL sPECIES, IN THE sizEs
10. THE IRRIGATION SYSTEM SHALL BE REGULARLY MV>.NTfoJNED TO ASSURE ADEQUATE OPERATION AND TO MEET THE NEEDS OF THE PLANT MATERV>.LS.
f~ {I CONTAINER Pt...mnNG; REFER -~f~,--~:_ ~~~:::c~D
9l --~-',f
1
.. -c WR/>P NETTING AND BLANKET
ENOS 1L t.IIN., ""!~-SJ:~l:E 12• O.C.; REFER TO SPECS
!EMBED--NETTING ANo B~KET~ 1._!'00. BANK, __ ~o· MIN.
NOTES:
TERMINAL lRENCH
INITIAL AND TERt.IINAL SHARED TRENCH
BOULDERS PER CMl ENGINEERING P~S
1. CONFORM AND NJNir TO SITE CONDmONS: flB.D LOCATE ill COMPONENTS roR APPROVAL BEFORE INSTALLATION.
2. FABRIC ENCAPSULATED SOIL SHALl BE CONSTRUCTED USING A COMBINED COIR FABRIC WRAP Of COMPACTED SOIL: INNER LAYER SHALl BE EROSION CONTROL B~KETS, OUTER LAYER SHALl BE EROSION CONTROL NETllNG.
3. PLACE BRUSH LAYER CUTTINGS IS 8 CUTTINGS PER UNEAR FOOT PER LAYER FOR A TOTAL Of 2-4 CUTTINGS PER FOOT. -4. REFER TO PI..ANllNG DErAILS ON SHEET P-3 FOR ADDmONAL. INrDRUATION AND REQUIREMENTS.
5. REFER TO SPECIFICATIONS AND CML ENGINEERING PLANS FOR ADDmONAL INFORMATION AND REQUIREMENTS.
FABRIC ENCAPSUlATED SOIL WITH PlANTING
NO SCALE SEC]ON
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fA\ POLE CUTIING \E37 NO SCALE SECTlON
STEP 1: CUT FABRIC
PlAN VIEW
NmiS:
STEP 2: PlACE PlANT STEP 3: SECURE FABRIC
PlAN VIEW
(8\ CONTAINER PLANTING \t3) NO SCALE
POLE CUTnNG
SECTION
1. REFER TO SPECI~CATIONS AND PlAN SHE£TS FOR AODmONAL INFORMATION.
2. !-SLIT IN EROSION CONTROL FABRIC TO BE EXECUTED />S SHOWN IN TIHE PlAN VIEW AND />S PRESCRIBED IN TIHE SPECI~CATIONS.
3. REFER TO DETAILS ON TIHIS SHEEr FOR ADDmONAL INFORMATION AND
REQUIREMENTS.
f"C""\ PLANTING IN FABRIC \!5l7 NO SCALE SECTION
12"
CONT/>JNER PlANT
SECTION
SPECIAL USE PERMIT SUP-15-02
t:IDJI: PlANT PROITCTION CAGES SHALL BE INSTALLED FOR SELECT TIREES />S PRESCRIBED ON TIHE PlANS. REFER TO SPECI~CATIONS FOR AODmONAL INFORMATION.
SECTION
0+00 0+10
llillES.:
0+20
1. REm TO SPECI~CATIONS AND PlAN SHEETS FOR ADDmONAL INFORMATION.
2. REFER TO CML ENGINEERING PlANS FOR LOG STIRUCTURE CONSTRUCTlON.
O+JO
3. PlANTING SI~IALL BE CONDUCTED CONCURRE~IT WITH LOG ·'~t.jD ROCK STRUCTURE CONSTRUCTION.
D 1YPICAL PLANTING CROSS-SECTION
P-NO SCALE
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I
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CIV!ll PLANS, TYf'. -r-: I
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' 12" '·I,
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GRAPHIC SCALE 1"= 5'-0'"
SPECIAL USE PERMIT SUP-15-02
IRRIGATION LEGEND
SYMBOL ,DE"'SC"'R"IP-"TIO,N,__ _____ _
~ SPRAY SPRINKLER -90-DEGREES
e SPRAY SPRINKLER -1 SO-DEGREES
fl) SHUT -OFF / MANUAL CONTROL V/J!IE
LATERAl UNE (ON-GRAOE)
MAIN UNE (ON-GRADE)
LAYFLAT UNE (ON-GRADE)
ill PUMP
Y FOOT VALVE
TYPICAL VALVE CALL -OUT REFERENCE: ~4 56 -GALLONS PER MINUTE PER VALVE
--VALVE NUMBER
~VALVE SIZE PER PLANS
ADJUST SPRINKLER ARCS FOR COVERAGE OVER PLANTING AREAS.
REFER TO SHEETS P-1, P-2 AND P-3 FOR PLANTING PLANS, NOTES, DETAILS, AND ADDITIONAL INFORMATION.
REFER TO SHEET 1-2 FOR IRRIGATION SCHEDULE, NOTES, DETAILS, AND ADDITIONAL INFORMATION.
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m •
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IRRIGATION SCHEDULE
SYMBOL MANUFACTURER MODEL NUMBER
~ HUNTER PROS-00-PRS40-MP2000-90 (90-210)
e HUNTER PROS-00-PRS40-MP2000-90 (90-210)
(}) K81 PVC SCHEDULE 80 BALL VALVE, 1" SIZE
BY CONTRACTOR PVC SCHEDULE 40 -SIZE PER PLANS
BY CONTRACTOR PVC SCHEDULE 40 -SIZE PER PLANS
BY CONTRACTOR LAYFLAT PIPE, 2" SIZE m BY CONTRACTOR ENGINE -DRrvEN PUMP
y BY CONTIRACTOR FOOT VALVE, 2-INCH SIZE
TYPICAL VALVE CALL -OUT REFERENCE:
@4 56 -GALLONS PER MINUTE PER VALVE --VALVE NUMBER
::,..--VALVE SIZE PER PLANS 1
DESCRIPllON
SPRAY ROTATOR SPRINKLER ON RISER
SPRAY ROTATOR SPRINKLER ON RISER
SHUT-OFF / MANUAL CONTROL VALVE
ON-GRADE NON-PRESSURIZED LATERAL UNE PIPE
ON-GRADE PRESSURIZED MAN UNE PIPE
ON-GRADE LAYFLAT WATER HOSE
PORTABLE, SEUF-GENERATING PUMP
IN-TAKE VALVE
REFER TO DETAJLS TIHIS SHEET, AND SPECI~CATIONS FOR AJDDITIONAL INFORMATION AND REQUIREMENTS.
DESCRIPllON
fp
SECTION
ARC RADIUS
90 20'
180 19'
~ GPM
40 0.40
40 0.74
SPECIAL USE PERMIT SUP-15.(12
IRRIGATION NOTES
1· WG~~Ms?EJ1'610~ER~?~N~1L~JJrs5~9~~ llM~~~~~~N~M~lii:~~GAf',JH~c~nBN5F T9Hr;l~~HJI~H~MENT PERIOD. WATER WILL BE APPUED IN A WAY TO ALLOW FOR TIHE 'WEANING OFF' OF PLANTS.
2. IRRIGATION WILL BE CONDUCTED USING A TEMPORARY MANUALLY-OPERATED OVERHEAD SPRAY SPRINKLER SYSTEM.
3. ;\tl~pEXJffJN~EC~§t~ ~bLLD~WU~~ft~Orffg~P-fi1Elj!~J~Tf~ ~~~vfolf JilJ~IGtl
E~t~~IZWAW~ ! SPECIRCATIONS.
4· ~~RJ~TIS~. SW![~R~l\kTIBR 1~f1s~E~s~~~lfult~r§· JI:ITI;l~c))ll{-tr'/fR1>'\1'~~~c~~M1~ J'N~8hill.
5. TIHE IRRIGATION LAYOUT DEPICTED ON TIHE PLAN SHEETS IS Dl'.GRAMMATIC AND DOES NOT SHOW ALL OF COMPONENTS REQUIRED FOR CONSTRUCTION_QF A COMPLETE SYSTE.M. TIHE CONTRACTOR SHl'.LL BE RES . - . . TIHE
TO MEl
LEFOR ·oR
6. PIPE LOCATIONS ARE Dl'.GRAMMATIC FOR GRAPHIC CLARITY; WHEREVER POSSIBLE, PLACE IRRIGATION PIPE IN PLANTNG AREAS.
7. COORDINATE IRRIGATION EQUIPMENT PLACEMENT ~TIH INDMDUAL PLANT PLACEMENT TO MANTAJN A 2-FODT CLEARANCE BEIWEEN TIHE HEADS AND THE PLANTS.
8.
9. IRRIGATION EQUIPMENT SHl'.LL BE INSTALLED ACCORDING TO TIHE DETAJLS, TIHESE DRAWINGS, AND TIHE SPECI~CATIONS.
SECTION
NOTE: --,;u_ METAL STABIUZER ASSEMBUES SHl'.LL BE TIHOROUGHLY CLEANED AND DIPPED IN A RUST INHIBITOR PAJNT.
LATERAL LINE PIPE ANCHORING
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