HomeMy WebLinkAboutParcel Map 13043 WQMP Temecula Medical Center �� Q� eR51��.
�� `� ` WATER QUALITY MANAGEMENT PLAN
• ' � � FINAL ACCEPTANCE CHECKLIST
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1989 �
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Not
WQMP REQUIREMENT Yes No Applicable
Section III. Pollutants of Concem (in narrative form)
Completed table of poten[ial and expected pollutants, sources, and 303(d) listings v
Pollutants of Concern ✓
Legacy pollutan[s as a result of past uses �/
Section IV. H drolo ic Conditions of Concern in narzative form)
Conditions A, B, or C. v
If none, evaluation of impacts to downstream erosion or stream habitat ✓
Completed Srorm Event surface hydrology table `�
Section V. Best Management Practices
�a� ��•:4� �
Vl. Site Design BMPs °;.:+:�� ���,�` � �._I� ���.
Table l. Site Design 6MPs is complete ✓'
• Narra[ive describing ull site design BMPs proposed for the project '�
Explanation for each BMP NOT used and why they cannot be implemented �
Site Design BMPs shown on the WQMP Site Plan (Appendix B) ✓
� V2, Source Control BMPs ���%�yo-� r�`���u.���'n��
u��,�� k�,��i�-C.eu�k �s�u�s
Table 2. Source Control BMPs is complete V
Narrative describing the source control BMPs proposed for the project �/'
Narrative describing the source control BMPs Ihat were NOT applicable and why
they cannot be implemented �
Inspection and maintenance frequency, inspection cri[eria, and the responsible �.
entity or party
Structural source controls shown on the WQMP Site Plan (Appendix B)
� �1�� �.' �
V3. Treahnen[ Control BMPs �,��,� a.h:. ,:. �''d� v��
Table 3. Treatment Control BMPs is complete �/
Narrative describing all treaunent control BMPs proposed for [he pmject �/
Narrative deseribing how each individua] treatmen[ control BMP proposed for Ihe
project will be implemented and maintained, including locations, siz.ing cri[eria, �
inspection and maintenance frequency, inspection criteria, long-term O&M, und the
responsible entity or party
Treatment Co�trol BMPs shown on the WQMP Site Plan (Appendix B) ✓
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• V4. Equivaleiit Treatment Cnntrol Alternutives '�� �=_.
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Page 3 of 5
Revised 03/20/2009
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� �'� „���� WATER QUALITY MANAGEMENT PLAN
• ' FINAL ACCEPTANCE CHECKLIST
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Not
WQMP REQUIREMENT Yes No Applicable
Narrative describing equivalent treatment control alternatives
Calwlations for Equivalent Treatment Control Alternatives (Appendix F) �
V5. Regionally-Bnsed Trentment Control RMPs ' ����.. _,., _ . ,.. .
�::�s . . I�it s _ _
Nartative describing regionally-based treatment contcol BMPs ✓
Calculations for Regionally-Based Treatment Control BMPs (Appendix F) �
Section VI.Operation and Maintenance (0&M) Responsibility for Treatment Control BMPs
Completed cost and O&M t�ble �
BMPs requiring O&M are identified �
BMP start-up dates �
Schedule of the frequency of O&M for each BMP �
Parties responsible for O&M ✓'
• Description of water quality monitoring, if required �
Section VII. Funding
Signed funding certificution statement .r
. Appendix A (Section I)
Signed copy of the final Conditions of Approval �
Appendix B(Sections I and V)
Vicinity Map identifying the pmject site -�
Receiving Waters Mnp ✓
�� � �`��� ��� " ��
Site Plan depicting the following project features ,�;�,,,,..., ° ..��� «��,
Location and identification of al] siructura] BMPs. �
Landscape areas. �
Hardscupe areas. ✓
Paved areas. �
Number and rype of structures and intended uses. (ie: buildings, tenant spaces,
dweiling anits, community facilities such as pools, recreations facilities, tot lots, ✓
etc.).
Infrastmcture (ie: streets, storm drains).
•
Page 4 of 5
Revised 03/20/2009
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.L /V T�iVT/ONf�-L r`_�/ .�L.,i9�itl�'
Project-Specific WQMP for Temecula Medical Center
Design Review No. PA10-0194
� I. PROJECT DESCRIPTION
/nstructions:
The project description shall be completely and accurately described in narrative form. In the field
provided on page A-3, describe and with supporting figures (maps or exhibits), where facilities will be
located, what activities will be conducted and where, what kiuds of materials will be used and/or stored,
how and where materials will be delivered, and the rypes of wastes that will be generated. The following
information shall be described and/or addressed in the 'Project Descriptiod' section of the project specific
W QMP:
o Project owner and WQMP preparer;
o Project location;
o Project size;
o Standard Industrial Classification (SIC), if applicable;
o Location of facilities;
o Activities and location of activities;
o Materials Storage and Delivery Areas;
o Wastes generated by project activities.
Project Owner: Universal Health Services
367 South Gulph Road
King of Prussia, PA 19406
Telephone: 610.768.3300
• Mr. William Seed
WQMP Preparer: URS Corporation
3500 Porsche Way, Ste 300
Ontario, CA 91764
909.980. 4000
Cynthia Gabaldon, PE, CPSWQ, CPESC, QSD
1950 N. Stemmons Freeway, Suite 6000
Dallas, Texas 75207
214.741.7777
Margie De Laurell, PE
Project Site Address: 31700 Temecula Parkway
Temecula, California, 92592
Planning Area/
Community Name: Temecula Medical Center
APN Number(s): 959-080-001 through 959-080-004
959-080-007 through 959-080-010
Thomas Bros. Map: Page 979, Grid D2 & E2, Version 2008
Project Watershed: Santa Margarita River (902)
� Sub-watershed: Temecula Creek (902.51)
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Design Review No. PA10-0194
• Project Site Size: Gross: 35.8 acres Net (impervious): approx 25 acres
Standard Industrial
Classification (SIC) Code: 8062, General Medical and Surgical Hospitals
Establishments primarily engaged in providing general medical
and surgical services and other hospital services.
Formation of HOA
or POA': No, UHS Operations and Maintenance Department will manage
site specific operations and maintenance. There is an Operations
Manual that will be developed for the Owner's managing staff that
will include the BMP needs.
�
� ' Home Owners Association (HOA) and Property Owners Association (POA)
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Project-Specific W�MP for Temecula Medical Center
Design Review No. PA10-0194
� Additiona/PermitsoiApproua/sieauiredfortheProiect.•
PERMIT
REOUIRED
AGENCY YES or NO
California De artment of Fish and Game, 1601 Streambed Alteration A reement NO
Re ional Water Qualit Control Board, Clean Water Act CWA 401 Water Qualit Certitication YES
US Arm Cor s af En ineers, CWA 404 ermit YES
US Fish and Wildlife, Endan ered S ecies Act 7 biolo ical o inion YES
Other (please list in the space below as required)
State Water Resources Control Board - Construction General Permit YES
City oi Temecula - Building Permit YES
Cit ofTemecula-Gradin Permit YES
This WQMP is designed to provide for both the overall build-out and Phase I specific
development.
The name of this project is the Temecula Medical Center. The property owner is Universal
Health Services and this project-specific Water Quality Management Plan has been prepared by
URS Corporation. The project site is approximately 35.8 acres at address 31700 Temecula
Parkway in the City of Temecula, Riverside County, California along the north side of Temecula
� Parkway, south of DePortola Road, east of Dona Lynora Road and approximately 700 feet west
of Margarita Road. At build-out, the project will include a 320-bed Hospital Building, two
Medical Office Buildings, a Cancer Treatment Center, a Fitness Center and a helipad. Related
appurtenant structures include support mechanical facilities (emergency generators,
transformers, fuel tank, bulk oxygen storage tank) and loading dock.
Site information includes:
Overall Acreage: 1,559,448 sq. ft
Total building: 566,160 sq. ft
Total landscaping: 512,734 sq, ft
Total hardscape: 33,475 sq ft
Total parking/driveways: 467,968 sq ft
Appendix A of this project-specific WQMP includes a complete copy of the final Conditions of
Approval.
Location ofNewBui/dinqs & Pro,00sedActivities
The Hospital Building will face Temecula Parkway and be situated just east of the site center.
� The two Medical Office Buildings will be to the west of the Hospital Building, the Cancer
Treatment Center will be to the east, and the Fitness Center will be to the north. The helipad is
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Project-Specific WQMP for Temecula Medical Center
Design Review No. PA10-0194
* ■ A Vicinity Map identifying the project site and surrounding planning areas in sufficient
detail to allow the project site to be plotted on Co-Permittee base mapping; and
■ A Site Plan for the project. The Site Plan included as part of Appendix B depicts the
following project features:
— Location and identification of all structural BMPs, including Treatment Control BMPs.
— Landscaped areas.
— Paved areas and intended uses (i.e., parking, outdoor work area, outdoor material
storage area, sidewalks, patios, tennis courts, etc.).
— Number and type of structures and intended uses (i.e., buildings, tenant spaces,
dwelling units, community facilities such as pools, recreation facilities, tot lots, etc.).
— Infrastructure (i.e., streets, storm drains, etc.) that will revert to public agency
ownership and operation.
— Location of existing and proposed public and private storm drainage facilities (i.e.,
storm drains, channels, basins, etc.), including catch basins and other inlets/outlet
structures. Existing and proposed drainage facilities should be clearly differentiated.
— Location(s) of Receiving Waters to which the project directly or indirectly discharges.
— Location(s) of points where onsite (or tributary offsite) flows exit the property/project
site.
� — Proposed drainage areas boundaries, including tributary offsite areas, for each
location where flows exits the property/project site. Each tributary area should be
clearly denoted.
— Pre- and post-project topography.
Appendix G of this project-specific WQMP shall include copies of CC&Rs, Covenant and
Agreements, and/or other mechanisms used to ensure the ongoing operation, maintenance,
funding, transfer and implementation of the project-specific WQMP requirements.
�
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Project-Specific WQMP for Temecula Medical Center
Design Review No. PA10-0194
�
II. SITE CHARACTERIZATION
Land Use Designation/Zoning: PLANNED DEVELOPMENT OVERLAY-9 (PDO-9)
Current Property Use: Undeveloped
Proposed Property Use: Temecula Hospital Planned Development Overlay (PDO-9)
Availability of Soils/Percolation
Testing Report: Yes, see Appendix E.
Phase 1 Site Assessment: No. The site is not included on the Department of Toxic
Substance Control Hazardous Waste and Substances List
(Cortese List). In addition, a review of historical site data
indicates that there is no current or historic use of the site
that would have resulted in a release of hazardous waste.
This site is currently undeveloped. Until recently there were three (3) single family homes to the
north on the property facing DePortola Road. These homes have been demolished.
Instructions:
� On the following page, list in order of upstream to downstream, the receiving waters that the
project is tributary to. Continue to fill each row with the receiving water's 303(d) listed
impairments, designated beneficial uses, and proximity, if any, to a RARE beneficial use. All of
the impairments listed are scheduled as TMDLs between 2019 and 2021.
Receivino GYateis for Urban i9unalffiom Site
303(d) List Proximity to
Receivin Waters Im airments� Desi nated Beneficial Uses� RARE Beneficial Use
Temecula Creek Chlorpyrifos MUN, AGR, IND, PROC, GWR, Not a RARE
HU 2.52 Copper REC2, WARM, WILD Waterbody; Y mile
Phosphorus from site
Total Dissolved Solids
Toxicit
Santa Margarita River (Upper) Phosphorus, Toxicity MUN, AGR, IND, REC1, REC2, Not a RARE
HU 2.22, 2.21 WARM, COLD, WILD, RARE Waterbod ; 2 miles
Santa Margarita River (Lower) Enterococcus MUN, AGR, IND, PROC, REC1, Not a RARE
HU 2.13,2.12,2.11 Fecal Coliform REC2, WARM, COLD, WILD, RARE Waterbody; 17 miles
Phosphorus
Total Nitro en as N
Santa Margarita Lagoon Eutrophic RECt, REC2, EST, WILD, RARE, Not a RARE
HU 2.11 MAR, MIGR, SPWN Waterbod ; 28 miles
�
June 2011 8
Project-Specific WQMP for Temecula Medical Center
Design Review No. PA10-0194
� Pacific Ocean None IND, NAV, REC1, REC2, COMM, Not a RAFiE
810L, WILD, RARE MAR, AQUA, Waterbody ;29 miles
MIGR, SPWN, SHELL
1. USEPA. 2010 CWA Section 303(d) List of Water �ualiry Llmited Segments Requiring TMDLs. San Diego RWQCB.
2. De(initions of the acronyms for beneficial uses are defined in Chapter 2 of the San Dlego Basin Plan ihat can be viewed or
downloaded from htlp://wwwswrcb.ca.gov/nvqcb9/water_issues/programslbasin_planldocs/update102207/chapter2_042507.pdf
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June 2011 9
Project-Specific W�MP for Temecula Medical Center
Design Review No. PA10-0194
•
III. POLLUTANTS OF CONCERN
Potential pollutants associated with Urban Runoff from the proposed project must be identified.
Exhibit B of the WQMP provides brief descriptions of typical pollutants associated with Urban
Runoff and a table that associates typical potential pollutants with types of development (land
use). It should be noted that at the Co-Permittees discretion, the Co-Permittees may also accept
updated studies from the California Association of Stormwater Quality Agencies (CASQA),
USEPA, SWRCB and/or other commonly accepted agencies/associations acceptable to the Co-
Permittee for determination of Pollutants of Concern associated with given land use.
Additionally, in identifying Pollutants of Concern, the presence of legacy pesticides, nutrients, or
hazardous substances in the site's soils as a result of past uses and their potential for exposure
to Urban Runoff must be addressed in project-specific WQMPs. The Co-Permittee may also
require specific pollutants commonly associated with urban runoff to be addressed based on
known problems in the watershed. The list of potential Urban Runoff pollutants identified for the
project must be compared with the pollutants identified as causing an impairment of Receiving
Waters, if any. To identify pollutants impairing proximate Receiving Waters, each project
proponent preparing a project-specific WQMP shall, at a minimum, do the following:
a. For each of the proposed project discharge points, identify the proximate Receiving
Water for each discharge point, using hydrologic unit basin numbers as identified in the
� most recent version of the Water Quality Control Plan for the Santa Ana River Basin or
the San Diego Region.
b. Identify each proximate identified above that is listed on the most recent list of Clean
Water Act Section 303(d) list of impaired water bodies, which can be found at website
www.swrcb.ca.gov/tmdl/303d_lists.html. List all pollutants for which the proximate
Receiving Waters are impaired.
c. Compare the list of pollutants for which the proximate Receiving Waters are impaired
with the pollutants expected to be generated by the project.
Urban Runoff Pollutants: Insert potential stormwater pollutants associated with project type as
presented in Exhibit B of Riverside County WQMP. Additionally, any other potential stormwater
pollutants that are project-specific must also be identified.
There will be two discharge points from the site for this project. The first discharge point is an
existing, small, natural drainage ditch in the northwest corner of the property at the culvert
(Watershed A). The second discharge point is also an existing drainage ditch along the eastern
edge of the property which discharge through a culvert at Temecula Parkway (Watershed B).
The receiving water for both points of discharge will be Temecula Creek. Temecula Creek flows
to the Upper Santa Margarita River, to the Lower Santa Margarita River, and then ultimately into
the Santa Margarita Lagoon and Pacific Ocean.
� The 2010 Clean Water Act, § 303(d) list of impaired water bodies includes:
June 2011 10
Project-Specific WQMP for Temecula Medical Center
Design Review No. PA10-0194
•
IV. HYDROLOGIC CONDITIONS OF CONCERN
Impacts to the hydrologic regime resulting from the Project may include increased runoff volume
and velocity; reduced infiltration; increased flow frequency, duration, and peaks; faster time to
reach peak flow; and water quality degradation. Under certain circumstances, changes could
also result in the reduction in the amount of available sediment for transport; storm flows could
fill this sediment-carrying capacity by eroding the downstream channel. These changes have
the potential to permanently impact downstream channels and habitat integrity. A change to the
hydrologic regime of a ProjecYs site would be considered a hydrologic condition of concern if
the change would have a significant impact on downstream erosion compared to the pre-
development condition or have significant impacts on stream habitat, alone or as part of a
cumulative impact from development in the watershed.
This project-specific WQMP must address the issue of Hydrologic Conditions of Concern unless
one of the following conditions is met:
■ Condition A: Runoff from the Project is discharged directly to a publicly-owned, operated
and maintained MS4; the discharge is in full compliance with Co-Permittee requirements
for connections and discharges to the MS4 (including both quality and quantity
requirements); the discharge would not significantly impact stream habitat in proximate
Receiving Waters; and the discharge is authorized by the Co-Permittee.
• ■ Condition B: The project disturbs less than 1 acre. The disturbed area calculation
should include all disturbances associated with larger plans of development.
■ Condition C: The projecYs runoff flow rate, volume, velocity and duration for the post-
development condition do not exceed the pre-development condition for the 2-year, 24-
hour and 10-year 24-hour rainfall events. This condition can be achieved by minimizing
impervious area on a site and incorporating other site-design concepts that mimic pre-
development conditions. This condition must be substantiated by hydrologic modeling
methods acceptable to the Co-Permittee.
Condition A is applicable to this Project. A drainage report was prepared for the project and
was submitted to the City as part of the plan submittal process._ The following paragraphs
present a summary of findings from the drainage report.
There are three main drainage patterns within the project site—eastern, western and offsite.
Approximately two-thirds of the site slopes generally to the south and east, which will be
conveyed to the box culvert in the southeast corner of the site. Immediately upstream of this
box culvert is an on-site drainage channel maintained by the Riverside County Flood Control &
Water Conservation District (RCFC&WCD); none of the site drainage will be collected in the
drainage channel. The remaining one-third of the site slopes generally to the north and west to
an existing drainage culvert adjacent to the northwest corner of the site.
• Z URS Corporation. 2010. Drainage Study Hydrology / Hydraulic Report Temecula Medical Center.
December 2007, Revised July 2008, Revised April 2010, Revised December 2010.
June 2011 12
Project-Specific WQMP for Temecula Medical Center
Design Review No. PA10-0194
•
2-YR & 10-YR STORM EVENT - WEST WATERSHED
2-YEAR 10-YEAR
Pre- UIU Phase 1 Pre- Pre- Post UIUPhase 1
Development Development Development Develapment Development Development
URS Stud URS Stud URS Stud TEC Stud TEC Stud URS Stud
Q cfs 8.18 12.6/10.2 13.99 13.00 17.07 19.1/16.1
Velocity 1.83 1.90/2.08 2.06 1.75 3.10 2.20/2.43
(fflsec)
Area 10.55 8.78/8.77 10.55 11.11 12.60 8.7818.77
(acre)
Duration 16.59 12.06I16.88 16.59 20.73 22.06 11.64I15.53
(minutes)
2-YR & 10-YR STORM EVENT- EAST WATERSHED
2-YEAR 10-YEAR
Pre-Development Ult/Phase 1 Pre-Development UIUPhase 1 Development
(URS Study) Development (URS Study) (URS Study)
URS Stud
• 0 cfs 18.45 23.7/20.5 31.49 35.9/31.9
Velocity 3.53 2.901- 4.01 3.161-
ftlsec
Area acre 24.67 24.02/23.69 24.67 24.02/23.69
Duration 2�,56 10.96I20.87 21.33 10.56/20.40
minutes
From an HCOC perspective, the increases in flows are minimal ranging from .41 cfs for the
Phase I, 10-year delta value to 5.25 cfs for the Ultimate build-out, 2-year delta value. These
values are representing flows without BMP management. The proposed BMPs are designed to
manage the increase in flows therefore mitigating the HCOCs.
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June 2011 14
Project-Specific
WoMP for Temecu�a Medical Center
Design Review No. PA10-0194
•
V. BEST MANAGEMENT PRACTICES
V.1 Site Design BMPs
V.1 SITE DESIGN BMPS
Project proponents shall implement Site Design concepts that achieve each of the following:
1) Minimize Urban Runoff
2) Minimize Impervious Footprint
3) Conserve Natural Areas
4) Minimize Directly Connected Impervious Areas (DCIAs)
The project proponent should identify the specific BMPs implemented to achieve each Site
Design concept and provide a brief explanation for those Site Design concepts considered not
applicable.
lnstructions:
In field below, provide narrative describing which site design concepts were incorporated into project
plans. Il the project proponent implements a Co-Permittee approved alternative or equally-eflective Site
� Design BMP not specifically described below, the Site Design BMP checkbox in Table 1 should be marked
and an additional description indicating the nature of the BMP and how it addresses the Site Design
concept shou/d be provided. Continue with completion of Table 1.
Note: The Co-Permittees general plan or other land use regulations/documents may require several
measures that are effectively site design BMPs (such as minimization of direct/y connected impervious
areas and/or setbacks from natural stream courses). The Project Proponent should work with Co-
Permittee staff to determine if those requirements may be interpreted as site design BMPs for use in this
table/narrative. See Section 4.5.1 0/ the WQMP for additional guidance on Site Design BMPs.
Following Tab/e 1: if a particular Site Design BMP concept is found to be not applicable, p/ease provide a
briel explanation as to why the concept cannot be implemented. A/so include descriptions explaining how
each included BMP will be implemented. In those areas where Site Design BMPs require ongoing
maintenance, the inspection and maintenance lrequency, the inspection criteria, and the entity or party
responsible for imp/ementation, maintenance, and/or inspection shall be described. The location of each
Site Design BMP must also be shown on the WQMP Site Plan included in Appendix B.
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June 2011 1g
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Project-Specific WQMP for Temecula Medical Center
Design Review No. PA10-0194
� ■ TC22 — Extended Detention Basin
■ TC30- Vegetative Swale
■ TC31 — Vegetative Buffer Strip
■ TC32 — Bioretention
■ TC50 — Water Quality Inlets
FREQUENCY: Within 6 months of hire date and annually thereafter.
RESPONSIBLE PARTY: Universal Health Services or its representative.
ACT/V/TY HESTR/CT/ONS
The list of restrictions and guidelines for implementation and maintenance of all Best
Management Practices specified herein include, but will not be limited.to:
■ CAR WASHING: No washing of motor vehicles will be allowed on the site. There are no
locations on-site where this can occur.
■ NO HOSING OF PAVED AREAS: Parking Areas will not be "Hosed Down for cleaning."
Rather, areas will be swept clean or dry vacuumed. All collected waste shall be
disposed of in a covered container. Oil stains will be cleaned using rags or absorbents,
� then swept with granular absorbents and then mopped. No acid washing will be
permitted. Final mop water shall be disposed into a sanitary sewer facility.
■ TRASH: No rubbish, trash or other material shall be kept on site or on any street
abutting the properties, except in sanitary containers located in an appropriate trash
containment area.
■ DRAINAGE: There shall be no interference or alteration of the established drainage
pattern unless an alternative is approved by the City.
■ NO DISCHARGING: There shall be no discharging of fertilizers, pesticides and or
wastes to the streets or any storm drains.
■ DUMPSTER LIDS: Dumpster lids shall be closed at all times.
■ DEBRIS: No blowing or sweeping of debris (leaf litter, grass clippings, litter, etc.) into
the streets or any storm drains.
FREQUENCY: Ongoing.
RESPONSIBLE PARTY: Universal Health Services or its representative.
/RA/GAT/ON SYSTEM AND LANDSCAPE MA/NTENANCE
� Irrigation systems shall be designed and installed in compliance with state and local water
conservation regulations. Irrigation valves are on an automatic irrigation system utilizing various
June 2011 21
Project-Specific WQMP for Temecula Medical Center
Design Review No. PA10-0194
� types of irrigation heads designed to water areas based upon plant water requirements,
sun/shade exposure, climatic factors, soil infiltration rate and seasons. A rain shut-off device is
specified to maximize efficient water application and flow sensors are installed to identify broken
irrigation mainlines and laterals. Irrigation maintenance will address periodic testing and
observation to detect overspray, broken sprinkler heads and other system failures.
The Landscape Maintenance Contractors will maintain the site to identify and replace areas of
dead vegetation, repair erosion rills and ensure proper disposal of green waste. Landscape
maintenance will occur weekly. Also, a designated representative of the owner will be
responsible for maintenance of landscaped areas in a manner consistent with the local
regulations, the County water Conservation Resolution and the County Management Guideline
for the use of Fertilizers and Pesticides.
Fertilizer and pesticide usage shall be consistent with the instructions contained on product
labels and with regulations administered by California's Department of Pesticide Regulation.
FREQUENCY: Landscape maintenance will occur weekly.
RESPONSIBLE PARTY: Universal Health Services or its representative.
COMMONAREA L/TTEH CONTROL
Site litter shall be strictly controlled by an onsite maintenance person. Trash receptacles shall
• be placed in all common areas and emptied daily by an onsite maintenance person. The onsite
maintenance person will also be responsible for removal of manure waste from the portion of
the horse trail located within the Temecula Medical Center property boundary.
FREQUENCY: On-Site maintenance for litter and manure control will occur daily.
RESPONSIBLE PARTY: Universal Health Services or its representative.
SWEEP/NG OF PH/VATE STAEETS AND PARK/NG L OTS
A contractor will sweep and vacuum the private parking lot quarterly, including just prior to the
start of the rainy season, no later than October 1st each year. The rubbish/waste from the
sweeping may be disposed in any of the on-site dumpsters.
FREQUENCY: Parking lot sweeping shall occur quarterly.
RESPONSIBLE PARTY: Universal Health Services or its representative.
DHA/NAGE FAC/L/TY /NSPECT/ON AND MA/NTENANCE
Onsite, privately owned catch basins will be inspected and cleaned annually prior to the storm
season no later than October 1st each year. Cleaning shall include the removal of debris and
sediment accumulated in the basin.
Treatment control or LID BMPs will be inspected and maintained as described in Section VI.
. FREQUENCY: Prior to the storm season no later than October 1 st each year
June 2011 22
Project-Specific W�MP for Temecula Medical Center
� Design Review No. PA70-0194
� RESPONSIBLE PARTY: Universal Health Services or its representative.
V.2.2 Structural Source Control BMPs
MS4 STENC/L/NG AND S/GNAGE
All storm drain inlets and catch basins will be provided with stenciling or signage stating: "NO
DUMPING, ONLY RAIN IN THE DRAIN"
All signage shall be inspected for legibility once per year, prior to the storm season no later than
October 1st. If signage is weathered, faded or worn, it shall be replaced.
FREQUENCY: Prior to the storm season no later than October 1st each year
RESPONSIBLE PARTY: Universal Health Services or its representative.
LANDSCAPE AND /RH/GAT/ON SYSTEM DES/GN
Landscaping and irrigation shall be designed by a licensed landscape architect in the State of
California and in compliance with all applicable standards and specifications for agencies within
this jurisdiction. Landscaping shall be maintained on a weekly basis by a landscaping company
hired by the owner. Irrigation equipment shall be inspected to ensure overspray is minimized.
� ■ Employing rain shutoff devices to prevent irrigation during and after precipitation events.
■ Designing irrigation systems to each landscaped area's specific water requirements
■ Using flow reducers or shutoff valves triggered by a pressure drop to control water loss
due to broken sprinkler heads or lines
■ The timing and application methods or irrigation water shall be designed to minimize the
runoff of excess irrigation water into the MS4
■ Preparation and implementation of a landscape plan consistent with the City's water
conservation ordinance, which includes the use of water sensors and programmable
irrigation times
■ Preparation and implementation of a landscape plan that:
— Utilizes plant with low irrigation requirements
— Groups plants with similar water requirements in order to reduce excess irrigation
runoff and promote surface infiltration
— Uses mulches in planter areas without ground cover to minimize sediment runoff
— Install appropriate plant materials for the location, in accordance with amount of
sunlight and climate, and use native plant material where possible and/or as
recommended by the landscape architect
� — Maintaining or creating a vegetative barrier along the property boundary and interior
watercourses, to act as a pollutant filter, where appropriate and feasible.
June 2011 23
Project-Specific WQMP for Temecula Medical Center
Design Review No. PA70-0194
� — Use plants that minimize or eliminate the use of fertilizer or pesticides to sustain
growth
FREQUENCY: Landscape maintenance will occur weekly.
RESPONSIBLE PARTY: Universal Health Services or its representative.
�
,•
June 2011 24
Project-Specific WQMP for
Temecula Medical Center
Design Review No. PA10-0194
•
V.3 Treatmenf Contro/ BMPs
Instructions:
1. Provide narrative below describing each Treatment Control BMP. Include location, identify the sizing
criteria (i.e., Urban Runoff quality design flow (QBMP) or the Urban Runoff quality design volume
(VBMP), preliminary design calculations, for sizing BMPs, maintenance procedures, and the frequency
of maintenance procedures necessary to sustain BMP eflectiveness. The location of each Treatment
ControlBMP must also be shown on the Site Plan included in Appendix B.
2. Complete Table 3: Treatment Control BMP Selection Matrix
Directions lor completing Table 3:
♦ For each pollutant of concern enter "yes" if identified using Exhibit B(Riverside County WQMP -
General Categories of Pollutants of Concern per the instructions specified in Section lll of this
Template), or "no" if not identified for the project.
♦ Check the boxes of selected BMPs that will be implemented for the project to address each
pollutant of concern from the project as identified using Exhibit B. Treatment Control BMPs must
be selected and installed with respect to identified pollutant characteristics and concentrations that
will be discharged lrom the site.
♦ For any identified pollutants of concern not listed in the Treatment Control BMP Se/ection Matrix,
provide an explanation (in space below) of how they will be addressed by Treatment Control
� BMPs.
3. In addition to completing Table 3, provide detailed descriptions on the location, implementation,
installation, and long-term O&M of planned Treatment Control BMPs.
Por ide�ttifi�ed po[lutarus of concern d�at nr causing ait impairnierit in receivirig waters, die project WQMP s/tal/
incorporate one ar ntnre Treamient Co�itrol BMPs nf inedium or /iigh effectiveness in redircnig those polhitants. It is the
responsibility of the project proponent to demonstrate, and document in the project WQMP, that all pollutants of
concern will be fully addressed. The Agency may require information beyond the minimum requirements o/ this
WQMP to demonstrate that adequate pollutant treatment is being accomplished.
Supporting engineering calculations for QgMp and/or VgMq and Treatment Control BMP design details are
included in Appendix F.
Note: Projects that will utilize infiltration-based Treatment Control BMPs (e.g., Infiltration Basins, Infiltration
Trenches, Porous Pavement) must include a copy of the property/project soils report as Appendix E to the
project-specific WQMP. The selection of a Treatment Control BMP (or BMPs) for the project must specifically
consider the effectiveness of the Treatment Control BMP for pollutants identified as causing an impairment of
Receiving Waters to which the project will discharge Urban Runoff.
Insert text describing Treatment Control BMPs as instructed above.
• i
June 2011 p7
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Date� APRIL 2010 Projecf Temecula Medical Center
, � 31700 Temecula Parkway. Temecula. Cah(ornia
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�• Worksheet 1
Design Procedure for BMP Design Volume
85`" percentile runoff event
Designer: ;i� T� ��J�/.�L�O�
Company: ' // „ ��,�p
Date: /�Q���- /�,
Project: /,� re�y/Bi�i��Z_
Location: — _ r -,,z, ��� �/� r� — S c �,r�u�; ,�,
"' /�S/.fl � �� �
1. Create Unit Storage Volume Graph
a. Site location (Township, Range, and T,�`�j &R �(�
Section). Section / �{ (�)
b. Slope value from the Design Volume 7
Curve in Appendix A. Slope = �i o5 � (Z)
c. Plot this value on the Unit Storage
Volume Graph shown on Figure 2.
d. Draw a straight line form this point to �s this graph Yes [� No p
the origin, to create the graph attached?
2. Determine Runoff Coefficient
�"^ a. Determine total im ervious area A -
P ;mPeN;o„s — acres (5)
b. Determine total tributary area . A� oiai = ��� a, � acres (6J
c. Determine Impervious fraction
i=(5)/(6) i= (7)
d. Use (7) in Figure 1 to fnd Runoff pe �
OR C = .858i - .78i + ,774i + .04 C = !�i O / (8J
3. Determine 85% Unit Storage Volume
a Use (8) in Figure 2
Draw a Vertical line from (8) to the
graph, then a Horizontal line to the r in-acre
desired V„ value. V„ _ �; ��p acre (9)
4. Determine Design Storage Volume
a. VBMP = (9) x (6) [in- acres] VBMP — �� �O in (10)
b. V BMP = (10) l 12 [ft- acres] VBMP — /U/J S� �� y ft-acre (11)
c. V BMP = (11) x 43560 [ft VeMa = :�� �, l '�J r ` U ft (12)
Notes:
• �v b[l,i/�(� � 9 E'3 4 �-3 E � 3 � - -
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r
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N 01 a0 I� f0 u� R c0 N � � T a0 h lD In � M N � �
r '- � r r r r- � � O O O O O O O O O
85% Unit Storage Volume (Vu)
.
� Worksheet 4
Design Procedure Form for Infiltration Basin
Designer: Cynthia Gabaldon
Company: uRS co�Po.aeo�
�atg: December 28, 20
PfOJECt:_UHS Temecula �
LOCBti011: Southeast Corner of Site
1. Determine Design Storage Volume
(Use Worksheet 1)
a. TotalTributaryArea(maximum50) A� lv.i�J_ acres
b. Design Storage Volume, VeMP VBMP — _23�958 _ ft
2. Maximum Allowable Depth (D
a. Site infiltration rate (I) I= 3 7 in/hr
b. Minimum drawdown time (48 hrs) t=� hrs
c. Safety factor (s) s = "
—.�.
d. D =((t) x(I)]/[12S] D = 0 . 4 ft
• 3. Basin Surface Area
Am = VeMP � �m A = („'1 i%j�! �i ft
��
�
4. Vegetation (check type used or � Native Grasses
describe "other") II Irrigated Turf Grass
II other
Notes:
i•
26
• � f-t5 //iJ t r� �� �Gv / �J
7. Basin Outlet
a. Outlet type (check one) Single orifice ✓
Multi-orifice plate
Perforated Pipe
Other
b. Orifice Area Area = ft
c. Orifice Type Type
d. Maximum Depth of water above Depth = ft
bottom orifice
e. Length of time for 50% V BMP Time 50% = a� hrs
drainage (24 hour minimum)
f. Length of time for 100% V BMP Time 100% = 7 2 hrs
drainage (between 48 and 72 � vr �� L ,� �� tl��'
hours)
g. Attached Documents (all required) Attached Documents (check)
1) Stage vs. Discharge 1)
2) Stage vs. Volume 2)
3) Inflow Hydrograph 3)
4) Basin Routing 4)
8. Increased Runoff (optional)
• Is this basin also mitigating increased Yes ✓ No �
runoff? (if No, skip to #9)
Attached Documents (all required) sEE f�Yp D�S/ �•QT
for 2, 5, & 10-year storms: Attached Documents (check)
1) Stage vs. Discharge 1)
2) Stage vs. Volume 2)
3) Inflow Hydrograph 3)
4) Basin Routing 4)
9. Vegetation (check type) ✓ Native Grasses
Irrigated Turf
Other
10. Embankment N�f1'
a. Interior slope (4:1 max.) Interior Slope = %
b. Exterior slope (3:1 max.) Exterior Slope = %
11. Access N /�
a. Slope (10°/o max.) Slope = %
b. Width (16 feet min.) Width = ft
•
20
• Worksheet 1
Design Procedure for BMP Design Volume
85� percentile runoff event
Designer. f�f�iQ6/E 7>� G�/JieEGG Cl//�/ /f .9 �A-LG2��
Company: 5 � ,P
Date: /�. �//o
Project: $ T'���G GUL.�1,
Location: E T/d/✓ ��S //�/ '�P�, �� t� /�/—/��
1. Create Unit Storage Volume Graph
a. Site location (Township, Range, and T� 3&R a U-�
Section). Section I �' (�)
b. Slope value from the Design Volume
Curve in Appendix A. Slope = l� �` (� (
c. Plot this value on the Unit Storage
Volume Graph shown on Figure 2.
d. Draw a straight line form this point to Is this graph
the origin, to create the graph attached? Yes �' No ❑
• 2. Determine Runoff Coefficient
a. Determine total impervious area A ;m � rv;o „ s = acres (5)
b. Determine total tributary area A _ � i�� acres (6)
c. Determine Impervious fraction
�=( �_ (�)
d. Use (7J in Fi�ure 1 to fnd Runoff q/
OR C = .858i - .78i + .774i + .04 C = i p 7 (8)
3. Determine 85°/a Unit Storage Volume
a Use (8J in Figure 2
Draw a Vertical line from (8) to the
graph, then a Horizontal line to the / in-acre
desired V� value. V� _ � 0�0 acre (9J
4. Determine Design Storage Volume
a. V BMP = (9) x (6) [in- acres] VgMp = � , /�/ in-acre (10)
b. V BMP = (10J / 12 [ft- acres] VBMP - � 'I t �(P'} ft-acre (11)
c. VeMP = (11) x 43560 Ift UBMP - � � � /O � ft (12)
T
Notes:
•
7
� ��s�ti `a �� � w -�s�
7. Basin Outlet ✓
a. Outlet type (check one) Single orifice
Multi-orifice plate
Perforated Pipe
Other
b. Orifice Area Area = ft
c. Orifice Type Type
d. Maximum Depth of water above Depth = ft
bottom orifice
e. Length of time for 50% V BMP Time 50% = 2 -� hrs
drainage (24 hour minimum)
f. Length of time for 100% Vgry�p Time 100% = 7�- hrs
drainage (between 48 and 72
hours)
g. Attached Documents (all required) Attached Documents (check)
1) Stage vs. Discharge 1)
2) Stage vs. Volume 2)
3) Inflow Hydrograph 3)
4) Basin Routing 4)
8. Increased Runoff (optional)
• Is this basin also mitigating increased Yes ✓ No
runoff? (if No, skip to #9)
Attached Documents (all required) j�� /.,uyp,2pG06�/ ,p�� �
for 2, 5, & 10-year storms: Attached Documents (check)
1) Stage vs. Discharge 1)
2) Stage vs. Volume 2)
3) inflow Hydrograph 3)
4) Basin Routing 4)
9. Vegetation (check type) ^�Native Grasses
Irrigated Turf
_ Other
10. Embankment /U��
a. Interior slope (4:1 max.) Interior Slope = %
b. Exterior slope (3:1 max.) Exterior Slope = °/o
11. Access ��/�
a. Slope (10% max.) Slope = %
b. Width (16 feet min.) Width = ft
•
20
• Worksheet 1
Design Procedure for BMP Design Volume
85� percentile runoff event
Designer: ,�(�/� L.i3lr/Z�4L �C T/f/� �A-ES�4-� �
Company: IJ�S �02,�-
Date: / � p
Project: %� GUL�/
Location: DETCNT/Dicl ,23AS��t/ '� � �"�32 )
1. Create Unit Storage Volume Graph
a. Site location (Township, Range, and T�3 &R ,ZGC�
Section). Section l8 (�)
b. Slope value from the Design Volume
Curve in Appendix A. Slope = �� a(� (2)
c. Plot this value on the Unit Storage
Volume Graph shown on Figure 2.
d. Draw a straight line form this point to Is this graph Yes 0' No ❑
the origin, to create the graph attached? .
• 2. Determine Runoff Coefficient
a. Determine total impervious area A ;mPa �, ;o � s = acres (5)
b. Determine total tributary area A, = q, �j � acres (6)
c. Determine Impervious fraction
�=fs)�(sl i= (�J
d. Use (7) in Fi�ure 1 to find Runoff p
OR C = .858i - .78i + .774i + .04 C = •. U 3 (8)
3. Determine 85% Unit Storage Volume
a Use (8) in figure 2
Draw a Vertical line from (8) to the
graph, then a Horizontal line to the / in-acre
desired V� value. V� _ �, DCp, acre (9)
4. Determine Design Storage Volume
a. VBMP =(9) x(s) [in acres] VBMP = •�. sg`� in (10)
b. V BMP = (10) l 12 [ft- acresj VBMP - / � 7 9 S ft-acre (11)
c. V eMP = (11) x 43560 Ih VBMP - /�G' <"�g5� ft (12)
Notes:
E-3�
�
�
�
7. Basin Outlet
a. Outlet type (check one) Single orifice ✓
Multi-orifice plate
Perforated Pipe
Other
b. Orifice Area Area = ft
c. Orifice Type Type
d. Maximum Depth of water above Depth = ft
bottom orifice
e. Length of time for 50% V BMP Time 50% = 2� hrs
drainage (24 hour minimum)
f. Length of time for 100% V BMP Time 100% = 7 z hrs
drainage (between 48 and 72
hours)
g. Attached Documents (all required) Attached Documents (check)
1) Stage vs. Discharge 1)
2) Stage vs. Volume 2)
3) inflow Hydrograph 3)
4) Basin Routing 4)
8. Increased Runoff (optional)
• Is this basin also mitigating increased Yes � No
runoff? (if No, skip to #9)
Attached Documents (all required) ,s'�� /�1}�p,��(.��f/ �2£/�o.C�T
for 2, 5, & 10-year storms: Attached Documents (check)
1) Stage vs. Discharge 1)
2) Stage vs. Volume 2)
3) Inflow Hydrograph 3)
4) Basin Routing 4)
9. Vegetation (check type) ��Native Grasses
Irrigated Turf
Other
10. Embankment ����
a. Interior slope (4:1 max.) Interior Slope = %
b. Exterior slope (3:1 max.) Exterior Slope = %
11. Access /�I//a'
a. Slope (10% max.) Slope = %
b. Width (16 feet min.) Width = ft
•
20
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� 'Norksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer. � �tJ'
Company:
Date: ' ,3 �
Project: ��v��,
Location: ' �` —�r
1. Determine Impervious Percentage
a. Determine total tributary area A� = � 7 7 acres (1)
b. Determine Impervious % i = �� % (2)
2. Determine Runoff Coefficient Values
Use 7able 4 and impervious % found in step 1
a. A Soil Runoff Coefficient C = (3)
+ b. B Soil Runoff Coefficient C = o�� (4J
a C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6)
3. Determine the Area decimal fraction of each soil type
in tributary area
a. Area of A Soil /(1) = A = (7)
b. Area of B Soil /(1) = A = �, � (8)
c. Area of C Soil /(1) = P,� _ (g)
d. Area of D Soil l(1J = A = (10)
4. Determine Runoff Coefficient
a. C = (3)X(�) * (4)X(8)' (5)X(9) + (s)X(�0) _ � = F -�� (11)
5. Determine BMP Design flow
ft3 �
a.Q (11)x0.2x(1) Q o /� S (12
•
IO
• 'aVorksheet 9
Design Procedure Form for Grassed Swale
Designer: N A �/�1�,¢GDON
Company: S.
Date: ' � j/
Project: �GV%�9
Location: ,1�.��15, r�G r.�a,/L' `/��� �'�
1. Determine Design Flow Q = a�7 cfs
(Use �Plorksh�et 2) �
2. Swale Geometry
a. Swale bottom width (b) b= 2 R
b. Side slope (z) z = �:'/
c. Flow direction slope (s) s= /'�. %
3. Design flow velocity (Manning n= 0.2) v= ��� ft/s
• 4. Depth of flow (D) D= :-!+��. ft
5. Design Length (L) `'
L=(7 min) x(flow velocity, ft/sec) x 60 L= 7� ft
6. Vegetation (describe) GJ/}ZSSE?S
�
8. Outflow Collection (check type used or Grated InIeY
describe "other") Infiltration Trench
Underdrain
�Other St�^��/�ua
Notes:
US/N � /oo � /?tti�Ziiyt��'C -
�
;;
�• RAIN GARDENS:
Rain Garden Calculation — Phase 7 and
Ultimate Buildout
Design Calculations:
A = (WQv) (dJ � [ (k) (hr + dJ (�r)1
A, = Surface area of filter bed (ft See Below
d, = filter bed depth (ft) = 4
k= coefficient of permeability of filter media
(fVday) 30 (typical for fine to medium sand)
h� = average height of water above filter bed (ft) 0
t� = design filter bed drain time (days) 1.67
(1.67 days or 40 hours is recommended maximum for sand filters, 48 hours for bioretention)
Area Acre WQV ft Af ft Rain Garden
E-6 0.20 770 16 A
�'° E-7 0.16 610 12 B
E-9 0.53 2,047 42 C
E-10 0.57 2,193 44 D
E-11 0.43 1,654 33 E
E-15 0.54 2,078 42 F
es,.�
Riverside County Water Quality Management Plan Exhibit G
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July 24, 2006 G-1
Riverside County Water Quality Management Plan Exhibit G
�• E-7 BMP Area
Design Procedure for BMP Design Volume �/}�N(_,�2D�N �� ��
85`" percentile runoff event
Designer: Lisa Berman
Company: URS Cor oration
Date: 11 /02/2010
Project: UHS Temecula Hospital
Location: City of Temecula
1. Create Unit Storage Volume Graph
a. Site location (Township, Range, and T &R
Section). Section (�)
b. Slope value from the Design Volume
Curve in Appendix A. Slope = �• (Z)
c. Plot this value on the Unit Storage
Volume Graph shown on Figure 2.
d. Draw a straight line form this point to Is this graph Yes ❑ No❑
the origin, to create the graph attached?
``� 2. Determine Runoff Coefficient
"�-' a. Determine total impervious area A - 0.16 acres (5)
impervious —
b. Determine total tributary area A�otai = 0.16 acres (6)
c. Determine Impervious fraction
i - (5) l (6) i - 1.0 ��� .
d. Use (7) in Fi�ure 1 to find Runoff
OR C = .858i - .78i + .774i + .04 C = 0 (8)
3. Determine 85% Unit Storage Volume
a• Use (8) in Figure 2
Draw a Vertical line from (8) to the
graph, then a Horizontal line to the in-acre
desired V� value. V� = 1.06 acre (9)
4. Determine Design Storage Volume
a. v BMP =(9) x(s) [in- acres] VBMP = O.� 7 in-acre (�o)
b. V BMP = (10) l 12 [ft- acres] Vgpqp = O.O� 4 ft-acre (11)
c. V BMP = (11) x 43560 �ft VgMp = 6O9.H4 ft ��2�
� Notes:
��
July 24, 2006 G_2
Riverside County Water Quality Management Plan Exhibit G
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July 24, 2006 G_�
Riverside County Water Quality Management Plan Exhibit G
�� E-9 BMP Area
Design Procedure for BMP Design Volume Rl��N6����N`�"
85` percentile runoff event
Designer: Cynthia Gabaldon
Company: URS Cor oration
Date: 11 /02/2010
Project: UHS Temecula Hospital
Location: City of Temecula
1. Create Unit Storage Volume Graph
a. Site location (Township, Range, and T &R
Section). Section (�)
b. Slope value from the Design Volume
Curve in Appendix A. Slope = 1.2 (2)
c. Plot this value on the Unit Storage
Volume Graph shown on Figure 2.
d. Draw a straight line form this point to Is this graph Yes ❑ No❑
the origin, to create the graph attached?
`/�� 2. Determine Runoff Coefficient
`�- ` a. Determine total impervious area A - 0.53 acres (5)
impervious —
b. Determine total tributary area A�otai = 0.53 acres (6)
c. Determine Impervious fraction
i - (5) / (6) i - 1.0 ���
d. Use (7) in Fi�ure 1 to find Runoff
ORC=.858i -.78i C= 0 (8)
3. Determine 85% Unit Storage Volume
a Use (8) in Figure 2
Draw a Vertical line from (8) to the
graph, then a Horizontal line to the in-acre
desired V� value. V� = 1.06 acre (9)
4. Determine Design Storage Volume
a. V BMP =(9) x(6) [in- acres] VgMp = O.SBZ in-acre (10)
b. V BMP = (10) l 12 [ft- acres] Vgry7p = 0.047 ft-acre (11)
c. V BMP = (11) x 43560 [ft�] VeMP = 2047.32 ft (12)
Notes:
��
July 24, 2006 �;-Z
Riverside County Water Quality Management Plan Exhibit G
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�� 85% Unit Storage Volume (Vu)
July 24, 2006 G-1
Riverside County Water Quality Management Plan Exhibit G
(�• E-10 BMP Area
Design Procedure for BMP Design Volume RPrIN GI�IzD�� `'JJu
85� percentile runoff event
Designer: Lisa Berman
Company: URS Cor oration
Date: 11 /02/2010
Project: UHS Temecula Hospital
Location: City of Temecula
1. Create Unit Storage Volume Graph
a. Site location (Township, Range, and T &R
Section). Section (�)
b. Slope value from the Design Volume
Curve in Appendix A. Slope = � 2 (2)
c. Plot this value on the Unit Storage
Volume Graph shown on Figure 2.
d. Draw a straight line form this point to Is this graph yes ❑ No❑
the origin, to create the graph attached?
2. Determine Runoff Coefficient
� a. Determine total impervious area A - O
impervious — 0.57 acres 5
b. Determine total tributary area A, = 0.57 acres (6)
c. Determine Impervious traction
i - (5) / (6) i - 1.0 ���
d. Use (7) in Fi�ure 1 to find Runoff
OR C = .858i - .78i + .774i + .04 C = � 89 (8)
3. Determine 85°/a Unit Storage Volume
a• Use (8) in Figure 2
Draw a Vertical line from (8) to the
graph, then a Horizontal line to the in-acre
desired V� value. V� = 1.06 acre (9)
4. Determine Design Storage Volume
a. V BMP =(9) x(6) [in- acres] V BMP = 0.60 in-acre (10)
b. V BMP = (10) l 12 [ft- acres] VeMP = 0.050 ft-acre (1 Y)
c. V eMP = (11) x 43560 [tt V eMP = 2193.24 ft (12)
Notes:
��
July 2a, zoos G_2
Riverside County Water Quality Management Plan Exhibit G
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July 24, 2006 G- t
Riverside County Water Quality Management Plan Exhibit G
l� E-11 BMP Area
Design Procedure for BMP Design Volume �J/a-��J 6A-RDGN`��"
85 percentile runoff event
Designer: Cynthia Gabaldon
Company: URS Cor oration
Date: 12/28/2010
Project: UHS Temecula Hospital
Location: City of Temecula
1. Create Unit Storage Volume Graph
a. Site location (Township, Range, and T &R
Section). Section (�)
b. Slope value from the Design Volume
Curve in Appendix A. Slope = 1.2 (2)
c. Plot this value on the Unit Storage
Volume Graph shown on Figure 2.
d. Draw a straight line form this point to Is this graph Yes ❑ No❑
the origin, to create the graph attached?
2. Determine Runoff Coefficient
��' a. Determine total impervious area A - 0.43 acres (5)
imperviaus —
b. Determine total tributary area Atota� = 0.43 acres (6)
c. Determine Impervious fraction
i - (5) / (6) i = 1.0 ���
d. Use (7) in Fig�ure 1 to find Runoff
OR C = .858i - .78i + .774i + .04 C = 0 (8)
3. Determine 85% Unit Storage Volume
a• Use (8) in Figure 2
Draw a Vertical line from (8) to the
graph, then a Horizontal line to the in-acre
desired V� value. V� = 1.06 acre (9)
4. Determine Design Storage Volume
a. VeMP =(9) x(6) [in- acres] VeMP = 0.45 in-acre (10)
b. V BMP = (f0)l 12 [ft- acres] VBMP = 0.038 ft-acre (11)
c. V BMP = (11) x 43560 [ft V eMP = 1654.55 tt (12)
Notes:
��
July 24, 2006 G_2
Riverside County Water Quality Management Plan Exhibit G
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July 24, 2006 � G-1
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Worksheet 11
Design Procedure Form for Water Quality Inlets
Designer: U �1}-�/7-C.l�O�
CompanY-1.�R-5 (nl¢.P
oate: 6� 3/ I l
Project: U H S 7 v l�
Location: 'TP./Yi�GVIk � Lc�. %f/
1. Determine Design Flow Rate QgMP - � �� � cfs
(Use Worksheet 2) �
�i /C.b ° o?. � C!S`
2. Water Quality Inlet
Manufacturer Name Make /�� �
Model Model Li i � L)
Flow Capacity of Model Capacity :/� cfs �r t
Please include a technical sheet from U{�i�� = GJ �'�,�`
� the manufacturer with information on
this model.
Notes: ` / G QL ��
l0 4
� ws ��� ii
�
6l
� 'Nqrksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer. �/ �,¢LOO�tJ
Company: /p�,s _
Date: 3 /
Project: " /jG
Location: ��?U�,¢ � `,U—� L.�
1. Determine Impervious Percentage
a. Determine total tributary area A�„� = �✓� acres (1)
b. Determine Impervious % i = ��� % (2)
2. Determine Runoff Coefficient Values
Use iable 4 and impervious °/a found in step 1
a. A Soil Runoff Coefficient C = (3)
* b. B Soil Runoff Coefficient C = . y� (4)
c. C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6)
3. Determine the Area decimal fraction of each soil type
in Vibutary area
a. Area of A Soil /(1) = A = (7)
b. Area of B Soil /(1) = A = �, /� (8)
c. Area of C Soil /(1J = A� _ (g)
d. Area of D Soil /(1) = A = (10)
4. Determine Runoff Coefficient
a. C = (3)x(7) + (4)x(8) + (5)x(9) + (s)x(10) = C = � 9� (11)
5. Determine BMP Design flow
ft3 )
a. Q eMP = C x I x A=(11) x 02 x(1) Q eMP = � D � / S (12
�
10
�
';Vorksheet 11
Design Procedure Form for Water Quality Inlets
Designer. L i//r/Tff /� �ir��'f�/�p0�
Company� U �
Date:
Project �' � � ,
Location: 7'�/�'I�CUG/�� /�it /�'lGUS /-�
1. Determine Design Flow Rate Q BMP = t �� � cfs
(Use Worksheet 2) �/DO - �� �
2. Water Quality Inlet
Manufacturer Name Make �/r(/.5��
Model Model Lin�i�'i' �.�r6 '-/��
Flow Capacity of Model Capacity E/5" cfs
Please include a technical sheet from ���`� �� L' �S
� the manufacturer with information on
this model.
Notes:
�<vs "A''
� �
� �> �
� ',Vorksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer. G N i�f�/f� �'j,9-,� L�OD/(�
Company: S L'v p
Date: � � //
Project: /J�s'
Location: — �– f /J1LUS�
1. Determine Impervious Percentage
a. Determine total tributary area A� _ % C�7^ acres (1)
b. Determine Impervious % i = /QC} °/a (2)
2. Determine Runoff Coefficient Values
Use Table 4 and impervious % found in step 1
a. A Soil Runoff Coefficient C = (3)
• b. B Soil Runoff Coefficient C = ;�� (4)
c. C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6)
3. Determine the Area decimal fraction of each soil type
in tributary area
a. Area of A Soil /(1) = A = (7)
b. Area of B Soil /(1) = A = /. � (8)
c. Area of C Soil /(1) = A� _ �g�
d. Area of D Soil /(1) = A = (10)
4. Determine Runoff Coefficient
a. C = (3)x(7) + ( * ( + (s)X(��) = C = : 7 � (11)
5. Determine BMP Design flow
a. Q eMP = C x I x A=(11) x 02 x(1) Q ��5/ S (12)
BMP -
�
� O
�
'�Vorksheet 11
Design Procedure Form for Water Quality Inlets
Designer. C /LiTi`f /� vQ ,t3�¢G/.�O�C/
Company: Lo
Date: �t i
Project:
Location: — � `/
.�
1. Determine Design Flow Rate QBMP - f �J� cfs
(Use Worksheet 2) Q , a .r.�
2. Water Quality Inlet
Manufacturer Name Make GLLS
Model Model G,�' /� " `.'� �
Flow Capacity of Model Capacity a/5 cfs
Please include a technical sheet from l"f/�6155` o�� y
. the manufacturer with information on
this model.
Notes: �� �
�/Lt/s ,�" /
�
61
� 'rVorksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer. G �/� f/-/� G �,J
Company: //'/�S' �'�,�
Date: � //
Project: j�/fS ��U �i
Location: T - i�r�' /71llJS
1. Determine Impervious Percentage
a. Determine total tributary area Amta� _ /�� acres (1J
b. Determine Impervious % i = /O� % (2)
2. Determine Runoff Coefficient Values
Use Table 4 and impervious % found in step 1
a. A Soil Runoff Coefficient C = (3)
� b. B Soil Runoff Coefficient C = .'�J � (4)
a C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = � (6)
3. Determine the Area decimal fraction of each soil type
in tributary area
a. Area of A Soil /(1) = A = (7)
b. Area of B Soil /(1) = A = /', (� (8)
c. Area of C Soil /(1) = A� _ (g)
d. Area of D Soil l(1J = A = (10)
4. Determine Runoff Coefficient
a. C = (3)x(�) + �q� + (5)x(9) + (6)x(10) = C = � 9�' ����
5. Determine BMP Design flow
a. QeMP = C x I x A=(11) x 02 x( QaMP = j D3 �• ft? ��
s
�
IO
�
'Norksheet 11
Design Procedure Form for Water Quality Inlets
Designer:�Y/ti�f{/f� �A��,¢lpd�
Company: . �
Date: ' /
Project: �%
Location: - �
1. Determine Design Flow Rate Qgry�p = � /�3� cfs
(Use Worksheet 2) ���y� �, c
2. Water Quality Inlet
Manufacturer Name Make /11S �
Model Model �.,' � r —
Flow Capacity of Model Capacity �/ cfs
Please include a technical sheet from ��� ° �
. the manufacturer with information on
this model.
Notes: yy,
�// ��� /!,� I/
�
GI
� 'Norksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer: (� y' H A �A��3flLOl�i�
Company: L'
Date: ,3 /�
Project: /J�S
Location: Q �yS � i
1. Determine Impervious Percentage
a. Determine total tributary area A�otai = � 8� acres (1)
b. Determine Impervious % i= / D� % (2)
2. Determine Runoff Coefficient Values
Use'Table d and impervious % found in step 1
a. A Soil Runoff Coefficient C = (3)
• b. B Soil Runoff Coefficient C = ,��.% (4)
c. C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6)
3. Determine the Area decimal fraction of each soil type
in tributary area
a. Area of A Soil /(1) = A� _ (7)
b. Area of B Soil /(1J = A = %, C� (g)
c. Area of C Soil /(1) _ ,q� _ (g)
d. Area of D Soil /(1) = A = (10)
4. Determine Runoff Coefficient
a. C = (3)X(�) * (4)x(8) + (5)X(9) * (s)x(��) _ � _ ; / (11)
5. Determine BMP Design flow
ft�
a. Q BMP = C x I x A=(11) x 0.2 x(1) Q eMP = �/� � s (12)
�
10
�
`,Vorksheet 11
Design Procedure Form for Water Quality Inlets
Designer. �VN7f� /�} �/�l�LPO.t>
Company:_ ____L/h5 L'��°�
Date: �'p��
Project: ffS
Location: "��i�rt,�irp , :�t �'3
- • �
1. Determine Design Flow Rate QeMa =��`�� cfs
(Use VVorksheet 2) � �� = � �� G .�
2. Water Quality Inlet
Manufacturer Name Make /��.5
Model Model G.ln�- ('rr� /5< <
Flow Capacity of Model Capacity �/5 cfs
Please include a technical sheet from �y�� 4 � ��
� the manufacturer with information on
this model.
Notes: �� , �/
�GU,S /'
�
ei
• "Norksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer: � N�fl /� �d'f�Ll�CS.�
Company: S Co R
Date: 3 ��
Project: �
Location: ' �— �
D7 Gu.s �
1. Determine Impervious Percentage
a. Determine total tributary area A�otai = i 5� acres (1)
b. Determine Impervious % i = �Ob % (2)
2. Determine Runoff Coefficient Values
Use Table 4 and impervious % found in step 1
a. A Soil Runoff Coefficient C = (3)
` b. B Soil Runoff Coefficient C = i� U �q�
a C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6)
3. Determine the Area decimal fraction of each soil type
in tributary area
a. Area of A Soil /(1) = A = (7)
b. Area of B Soil /(1) = A = /� � (8)
c. Area of C Soil /(1) = A� _ (g)
d. Area of D Soil /(1) = A = (10)
4. Determine Runoff Coefficient
a. C = (3)x(7) + (4)x(8) + (5)x(9) + (6)x(10) = C = ° / � (11)
5. Determine BMP Design flow
ft�
a. Q eMP = C x I x A=(11) x 0.2 x(1) QBMP - t ID � S (12)
�
10
�
`Norksheet 11
Design Procedure Form for Water Quality Inlets
Designer. C-!//I/T/�//� �/�
Company: ' (/R S G�.2O
Date: �p/�///
Project: I,J�S�
Location: Tr.�'m��N /d1 � D
1. Determine Design Flow Rate QsnnP = �/D'A cfs
(Use Worksheet 2)
2. Water Quality Inlet
Manufacturer Name Make �LU-�
Model Model L.ii1�� /�/a� lg�
Flow Capacity of Model Capacity a/S cfs
Please include a technical sheet from �✓y/�� �'� �
� the manufacturer with information on
this model.
Notes:
�� �
•
6I
• 'Norksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer: (� /GT//�- ,¢GpO.C�
Company: (] �5,�/-�
Oate: � �
Project:
Location: - �
�
1. Determine Impervious Percentage
a. Determine total tributary area A�ota� _ /- �� acres (1)
b. Determine Impervious % i= jQ(� % (2)
2. Determine Runoff Coefficient Values
Use Table 4 and impervious % found in step 1
a. A Soil Runoff Coefficient C = (3J
• b. B Soil Runoff Coefficient Cb = . y0 (4)
a C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6J
3. Determine the Area decimal fraction of each soil type
in tributary area
a. Area of A Soil /(1) = A = (7)
b. Area of B Soil /(1) = A = � U (8)
c. Area of C Soil /(1) = A� _ (g)
d. Area ot D Soil /(1) = A = (10)
4. Determine Runoff Coefficient
a. C = (3)x(7) + (4)x(8) + (5)x(9) + (6)x(10) = C = , / L (11)
5. Determine BMP Design flow
a. Q BMP = C x I x A=(11) x 02 x(1) QBMP - / � 12
:d�fP S ( )
•
10
M
'iVorksheet 11
• Design Procedure Form for Water Quality Iniets
Designer: - L�1iNTN//� �/�Qi¢LUD.(J
Company: U� S /'oR �
Date: ��3 �//
Project: Ul�S
Location: To��i��.G /'� ���.3
1. Determine Design Flow Rate Qgry�p = [ (���0 cfs
(Use `Norksheet 2) �7�� _ �� 7
2. Water Quality Inlet
Manufacturer Name Make �I7�.l.S
Model Model L.i��zr (�L: �°.,.�b
Flow Capacity of Model Capacity ;/5' cfs
Please include a technical sheet from "'yp �'�' �
� the manufacturer with information on
this model.
Notes:
/�1 G CJS Ga
�
ei
� 'Norksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer: C y / � ,g LOV�
CompanY� � .2S �d�
Date: � 3/�
Project:
�ocation: �%2
r�S G-
1. Determine Impervious Percentage
a. Determine total tributary area A�ota� = I o�I a acres (1)
b. Determine Impervious % i = /00 % (2)
2. Determine Runoff Coefficient Values
Use iable 4 and impervious % found in step 1
a. A Soil Runoff Coeffcient C = (3)
i b. B Soil Runoff Coefficient C = � y�� (4)
a C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6)
3. Determine the Area decimal fraction of each soil type
in tributary area
a. Area of A Soil /(1) = A = (7)
b. Area of B Soil /(1) = Ay = f�� (8)
c. Area of C Soil /(1) _ , A� _ (g)
d. Area of D Soil /(1) = A = (10)
4. Determine Runoff Coefficient
a. C = (3)x(7) + (4)x(8) + (5)x(9) + (6)x(10) = C = � g ��� (11)
5. Determine BMP Design flow
a. Q eMP = C x I x A=(11) x 02 x(1) QBMP - �j ft3 (12J
/ �� / S
�
�Q
�
L`Vorksheet 11
Design Procedure Form for Water Quality Inlets
Designer. GI//1/Tfi�/!j c�iA�.8.4-LOo�
Company: ' U,� S C�-„[�
Date: �
�
Project:
Location: Tp�yU�„�� /"ie� � � �
1. Determine Design Flow Rate Q = , 02 /'�/ cfs
(Use Worksheet 2) (� � �, 5
2. Water Quality Inlet
Manufacturer Name Make �GUvI�
Model Model �n�vier ��o�L¢:- �a �
Flow Capacity of Model Capacity ,,� y cfs
• Please include a technical sheet from �y,l�SS= �, 6/
the manufacturer with information on
this model.
Notes: �
�7 GUS ( G�'�
�
��
� `Norksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer: �r,° G ,�
Company: /J,,Q Co,4 f�
Date: ' ,� �/
Project: /� � �
Location: �—��
�i /vLI.S — C'
1. Determine Impervious Percentage
a. Determine total tributary area A� = I- ��p acres (1)
b. Determine Impervious % i= % L7� % (2)
2. Determine Runoff Coefficient Values
Use Table 4 and impervious °/o found in step 1
a. A Soil Runoff Coefficient C = (3)
• b. B Soil Runoff Coefficient C = s 9� (4)
a C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6J
3. Determine the Area decimal fraction of each soil type
in tributary area
a. Area of A Soil /(1J = A = (7)
b. Area of B Soil /(1) = A = /. � �g�
c. Area of C Soil /(1) = A� _ (g�
d. Area of D Soil /(1) = A = (�p�
4. Determine Runoff Coefficient
a. C = (3)X(�) + (4)X(8)' (5)X(9) + (6)x(10J = C = � /� (11)
5. Determine BMP Design flow
a. Qenna = C x I x A=(11) x 02 x(1) Qemc = ft3 (12)
: �� J s
•
10
�
'Norksheet 11
Design Procedure Form for Water Quality Inlets
Designer: �NTff/R- �f�$fF-LDLKJ
Company: s2
Date: C� 3 /�/
Project:_ /l f�s
Location: j.P,�r! Piti.'[,(,LcQ � /'�iA �� 38'
1. Determine Design Flow Rate QgMp = /��� cfs
(Use 1/�lorksheet 2) ���� �, �,
2. Water Quality Inlet
Manufacturer Name Make $
Model Model � '
Flow Capacity of Model Capacity ; ;24 cfs
• Please include a technical sheet from ""r��� ¢"�� C�•
the manufacturer with information on
this model.
Notes:
/l'I hi � �
�
�i
�• "Zach Kent" To <Margie_De_Laurell a�URSCorp.com>
��'°;� <zkent@biocleanenvironmental.neb �� �cynthia_gabaldon@urscorp.com>,
12/14/2010 01:02 PM <toni_gullace@urscorp.com>,
<Lisa_BermanQa URSCorp.com>, "John Hayden"
bcc
Subject RE: UHST - MWS, phase 1 DAM & BMP site plan
JI -f/FrS� ..�.
Hello Margie,
Attached are the updated drawings. Each drawing has under the title the drainage areas it applies to:
W-1 - MWS Linear - 14' Curb Type !YI ws A
W-9 - MWS Linear - 14' Curb Type !Y� WS �
E-4 - MW S Linear - 14' Curb Type Y►1 W �$
E-22 - MWS Linear - 22' Grate Type /Y1 lN5 (�
E-23 - MWS Linear - 14' UG Curb Type (this is an underground unit, meaning it has a solid concrete ADA
compliant lid, so it can be placed under the sidewalk) m uy5 G
E-28 - MWS Linear - 14' Curb Type ��S �,
�„_
E-38 - MWS Linear - 22' Grate Type � WS E
E-39 - MWS Linear - 14' Grate Type mws F
E-40 - MWS Linear - 14' Grate Type 1�5 �
We reviewed the Q100 and Qbmp flow rates for each area confirm the size and type of the system can
treat and bypass flows appropriately. We assumed the treatment intensity is .2 in/hr.
All drawings have been changed to show 12" diameter outflow pipes.
Let us know if you need anything else.
Sincerely,
Za�h J Kent, CISEC
Stormwater Engineer
xkeniC�hiodeanenviranmeNOl com
mchna modularwetlands.mm
Bio Clean Environmentnl Services, Inc.
Modular Wetland Systems, Inc.
( P.0 Box 869, Oceanside, CA 91049
k_,� Phone:760.433.7640
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� '�aVorksheet 2
Design Procedure Form for Design Flow .
Uniform Intensity Design Flow
Designer: G N7ff/� (�'�-.8.4tiDZ�.t�
Company: p .�p
Date: ,� �
Project: /
Location: � �
/" k� //
1. Determine Impervious Percentage
a. Determine total tributary area A�ota� _� �� acres (1)
b, Determine Impervious % i =_(J(,� % (2)
2. Determine Runoff Coefficient Values
Use Table A and impervious % found in step 1
a. A Soil Runoff Coefficient C = (3)
� b. B Soil Runoff Coefficient Cb = .�i� (4)
c. C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6)
3. Determine the Area decimal fraction of each soil type
in tributary area
a. Area of A Soil /(1) = A = (7)
b. Area of B Soil /(1) = P. = /,Q (8J
c. Area of C Soil !(1) = A� _ (9)
d. Area of D Soil /(1) = A = (�p)
4. Determine Runoff Coefficient
a. C = (3)x(7) + (4)x(8) + (SJx(9) + (6)x(10) = C = . �a� (11)
5. Determine BMP Design flow
R�
a. Q eMP = C x I x A=(11) x 0.2 x(1) QBMP - ,5� / � S (12)
��l
�
� O
� Worksheet 10
Design Procedure Form for Filter Strip
Designer. �i�/TNi1� �.4/�/-LLDn�
Company—� , _
Date:
Project:
Location: —
1. Determine Oesign Flow QgMp = � �� cfs
(Use Worksheet 2)
2. Design Width
Wm =(QeMP)/0.005 cfs/ft W = 9 ft
3. Design Length (15 ft minimum) L =_ 3C7 ft
4. Design Slope (4 % maximum) S = .�, l� %
� 5. Flow Distribution (check type used or � slotted curbing
describe "other") Modular Block Porous Pavement
Level Spreader
�other
6. Vegetation (describe) 9���
�
5. Outflow Collection (check type used or Grass Swale
describe "other") Street Gutter
�Storm Drain
Underdrain
Other
Notes: � �j� /�
S��ri ,�
�
59
� "Nqrksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer. � �; ;� � Q/��/�G,��(,�
Company: lp ,G.�
Date: � 3 �
Project: � �
�ocation: T E—
S ` �
1. Determine Impervious Percentage
a. Determine total tributary area Aiota� _ � d 7 acres (1)
b. Determine Impervious % i = �� % (2)
2. Determine Runoff Coefficient Values
Use Table 4 and impervious % found in step 1
a. A Soil Runoff Coefficient C = (3)
• b. B Soil Runoff Coefficient Cb = e 7� (4)
c. C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6)
3. Determine the Area decimal fraction of each soil type
in tributary area
a. Area of A Soil /(1) = A = (7)
b. Area of B Soil /(1) = A = /�C7 (8)
c. Area of C Soil /(1) = A� _ (g)
d. Area of D Soil /(1) = A = (10)
4. Determine Runoff Coefficient
a. C = ( + ( + (5)X(91 + (s)X(��) = C = � 7� (11)
5. Determine BMP Design flow
a. Q BMP = C x I x A=(11) x 02 x(1) QBMP - ft3 (12)
, /z S
�
io
� Worksheet 10
Design Procedure Form for Filter Strip
Designer. �!/N7/�/R- �/fB/iGl�O�
Company: � _ �
Date: l'v a i/
Project: %J
Location: Tv �
1. Determine Design Flow QgMp = i �!� cfs
(Use Worksheet 2)
2. Design Width a �
Wm = (QBMP)�0.005 CfS/ft Wm = ft
3. Design Length (15 ft minimum) L = J'�O ft
4. Design Slope (4 % maximum) So = =Z •� %
• 5. Flow Distribution (check type used or _ slotted curbing
describe "other") Modular Block Porous Pavement
Level Spreader
� other
9rx,ss�
6. Vegetation (describe)
5. Outflow Collection (check type used or Grass Swale
describe "other") Street Gutter
�o Storm Drain
Underdrain
Other
Notes:
�.S'��i`,� C
�
59
* 'Norksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer. � N � � y�p�}
Company: /
Date: ,� ��
Project: l/�f
Location:
. �
1. Determine Impervious Percentage
a. Determine total tributary area A, = i J acres (1)
b. Determine Impervious % i= � % (2)
2. Determine Runoff Coefficient Values
Use Table 4 and impervious % found in step 1
a. A Soil Runoff Coefficient C = (3J
. b. B Soil Runoff Coefficient C = o/� (4)
a C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6)
3. Determine the Area decimal fraction of each soil type
in tributary area
a. Area of A Soil /(1) = q = �7)
b. Area of B Soil /(1) = A = /-!� (g)
c. Area of C Soil /(1) = P,� _ �g�
d. Area of D Soil /(1) _ ,4 = (�p�
4. Determine Runoff Coefficient
a. C = (3)X(�) + (4)x(8)' (5)X(9) * (6)X(��) _ � _ • �� (11)
5. Determine BMP Design flow
3
a.Q (11)x0.2x(1) QBMP (Q/, S (12J
�
� ()
� Worksheet 10
Design Procedure Form for Filter Strip
Designer. �y,/U7i�f/� cCi�.6i9 Gb�
Company: ' _o��
Date: lv 3/i/
Project: U
Location: T� ,, � , �—�/�_
1. Determine Design Flow QgMp = � D/ cfs
(Use Worksheet 2)
2. Design Width
Wm = (QgMp)/0.005 CfS/ft Wm = � ft
3. Design Length (15 ft minimum) L = �,� ft
4. Design Slope (4 % maximum) S =�� %
• 5. Flow Distribution (check type used or _ slotted curbing
describe "other") Modular Block Porous Pavement
Level Spreader
�other
�/lt'�.d�-�_
6. Vegetation (describe) '
5. Outflow Collection (check type used or Grass Swale
describe "other") Street Gutter
� Storm Drain
Underdrain
Other
Notes:
,—.
�' r'n t-
,
�
59
• 'Norksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer. � N7��/ � ,,R G orc�
Company: s �j�/.-�
Date: ,� �/
Project: /�
Locatiorr. ' � a
`�
1. Determine Impervious Percentage
a. Determine total tributary area A _ /� ��o acres (1)
b. Determine Impervious % i= Q % (2)
2. Determine Runoff Coefficient Values
Use Table 4 and impervious % found in step 1
a. A Soil Runoff Coefficient C = (3)
• b. B Soil Runoff Coefficient C = ./'1� (4)
a C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6)
3. Determine the Area decimal fraction of each soil rype
in tributary area
a. Area of A Soil !(1) = A = (7)
b. Area of B Soil /(1) = A = /. D (8)
c. Area of C Soil /(1) = A� _ (g)
d. Area of D Soil /(1) = A = (10)
4. Determine Runoff Coefficient
a. C = (3Jx(7) + (4)x(8) + (5)x(9) + (s)x(1o) = C = i /`r (1�)
5. Determine BMP Design flow
a. Q eMP = C x I x A=(11) x 0.2 x(1) QBMP - � (12)
�O� 5
�
�o
• Worksheet 10
Design Procedure Form for Filter Strip
Designer: (�//T76u� .�i,G�J'2�G���
Company: S .�C'
Date: �-7 i/
Project: �5
Location: T��1� Gst� �-'33
1. Determine Design Flow QgMp = � � cfs
(Use Worksheet 2)
2. Design Width
Wm =(QeMP)/0.005 cfs/ft Wm = 7 ft
3. Design Length (15 ft minimum) L =� ft
4. Design Slope (4 % maximum) So = �- %
• 5. Flow Distribution (check type used or _ slotted curbing
describe "other") Modular Block Porous Pavement
Level Spreader
�vother
� /:�� .�All d.
6. Vegetation (describe)
5. Outflow Collection (check type used or Grass Swale
describe "other") Street Gutter
� Storm Drain
Underdrain
Other
Notes: �� �
�
•
59
• Worksheet 2
Design Procedure Form for Design Flow
Uniform Intensity Design Flow
Designer: � � B C1.CJ
Company: U
Date: 3///
Project: //
Location: T�il�;/,�ii.� �'.i � = �j�',�; ly- �3
s�, � -
1. Determine Impervious Percentage
a. Determine total tributary area A�ota� _ ��`� P` .'Q9 acres (1)
b. Determine Impervious % i= Q % (2)
2. Determine Runoff Coefficient Values
Use Table 4 and impervious % found in step 1
a. A Soil Runoff Coefficient C = (3)
� b. B Soil Runoff Coefficient Cb = �/5L (4)
a C Soil Runoff Coefficient C� _ (5)
d. D Soil Runoff Coefficient C = (6)
3. Determine the Area decimal fraction of each soil type
in tributary area
a. Area of A Soil /(1) = A = (7)
b. Area of B Soil /(1) = A = /�p (8)
c. Area of C Soil /(1) _ ,4� _ (9)
d. Area of D Soil /(1) = A = (10)
4. Determine Runoff Coefficient
a. C = (3)x(7) + (4)x(8) + (5)x(9) + (6)x(10J = C = ' / / �' (11)
5. Determine BMP Design flow
3
a. QBMP — C X I X A=(11) X O.Z X(1) QBMP — , D/ ,', O/ S ��2�
•
10
• Worksheet 10
Design Procedure Form for Filter Strip
Designer: �iN��f/i4 b�i9-,Gi4��o�
Company: � /�,oP-S Lo -
Date: G .�/�/
Project: � �
Location: T .�/�,
1. Determine Design Flow QgMp = � d/ cfs
(Use Worksheet 2) � ��
2. Design Width
W = (QBMP)/0.005 cfs/ft Wm = �_ ft
3. Design Length (15 ft minimum) L = Jrd it
4. Design Slope (4 % maximum) Sp = � %
• 5. Flow Distribution (check type used or _ slotted curbing
describe "other") Modular Block Porous Pavement
. Level Spreader
�other
G/',P/d
6. Vegetation (describe)
5. Outflow Collection (check type used or Grass Swale
describe "other") Street Gutter
� Storm Drain
Underdrain
Other
Notes � � � ���
�.
� l'
•
59
Project-Specific WQMP for Temecula Medical Center
Design Review Na.PA10-0194
` Appendix G
Water Quality Management Plan and Stormwater BMP
Transfer, Access, and Maintenance Agreement
�
�
June 2011
Project-Specific W�MP for Temecula Medical Center
Design Review No. PA10-0194
� RECORDING REDUESTED BY:
CITY OF TEMECULA
AND WHEN RECORDED MAIL TO:
CITY OF TEMECULA
ATTN: Department of Public Works
43200 Business Park Drive
Temecula, CA 92589
SPACE ABOVE THIS LINE FOR RECORDER'S USE
� OPERATIONS AND MAINTENANCE AGREEMENT
�
June 2011
Project-Specific WQMP for Temecula Medical Center
Design Review No. PA10-0194
� Water Qualitv Manaqement Plan and Stormwater BMP
Transfer. Access, and Maintenance Aqreement
OWNER NAME: Universal Health Services
PROPERTY ADDRESS: 31700 Temecula Parkwav Temecula Countv of Riverside CA
APNs: 959-080-001, 959-080-002, 959-080-003, 959-080-004,
959-OSO-007, 959-080-008, 959-080-009, and 959-080-010
THIS AGREEMENT is made and entered into in
California, this day of , 20 by and between UNIVERSAL
HEALTH SERVICES, herein after referred to as "Owner", and the CITY OF TEMECULA, a
municipal corporation, located in the County of Riverside, State of California hereinafter referred
to as "City";
WHEREAS, the Owner owns real property ("Property) in the City of Temecula, County of
Riverside, State of California, more specifically described in Exhibit "A" and depicted in Exhibit
"B", each of which exhibits is attached hereto and incorporated herein by this reference;
� WHEREAS, at the time of initial approval of development project known as:
Temecula Medical Center, within the Property described herein, the City required the project to
employ Best Management Practices, hereinafter referred to as "BMPs," to minimize pollutants in
urban runoff;
WHEREAS, the Owner has chosen to install and/or implement BMPs as described in the Water
Quality Management Plan, on file with the City, hereinafter referred to as "WQMP," to minimize
pollutants in urban runoff and to minimize other adverse impacts of urban runoff;
WHEREAS, said WQMP has been certified by the Owner and reviewed and accepted by the
City;
WHEREAS, said BMPs, with installation and/or implementation on private property and draining
only private property, are part of a private facility with all maintenance or replacement, therefore,
the sole responsibility of the Owner in accordance with the terms of this Agreement;
WHEREAS, the Owner is aware that periodic and continuous maintenance, including, but not
necessarily limited to, filter material replacement and sediment removal, is required to assure
peak performance of all BMPs in the WQMP and that, furthermore, such maintenance activity
will require compliance with all Local, State, or Federal laws and regulations, including those
pertaining to confined space and waste disposal methods, in effect at the time such
M maintenance occurs;
June 2011
Project-Specific WQMP for Temecula Medical Center
Design Review No. PA10-0194
� NOW THEREFORE, it is mutually stipulated and agreed as follows:
1. Owner hereby provides the City of Temecula designee complete access, of any
duration, to the BMPs and their immediate vicinity at any time, upon reasonable notice,
or in the event of emergency, as determined by the City's Engineer, no advance notice,
for the purpose of inspection, sampling, testing of the Device, and in case of emergency
to direct all necessary repairs or other preventative measures at owner's expense as
provided in paragraph 3 below. City shall make every effort at all times to minimize or
avoid interference with Owner's use of the Property.
2. Owner shall use its best efforts diligently to maintain all BMPs in a manner assuring
peak performance at all times. All reasonable precautions shall be exercised by Owner
and Owner's representative or contractor in the removal and extraction of any material(s)
from the BMPs and the ultimate disposal of the material(s) in a manner consistent with
all relevant laws and regulations in effect at the time. As may be requested from time to
tome by the City, the Owner shall provide the City with documentation identifying the
material(s) removed, the quantity, and disposal destination.
3. In the event Owner, or its successors or assigns, fails to accomplish the necessary
maintenance contemplated by this Agreement, within five (5) days of being given written
notice by the City, the City is hereby authorized to cause any maintenance necessary to
be done and charge the entire cost and expense to the Owner or Owner's successors or
assigns, including administrative costs, attorneys fees and interest thereon at the
maximum rate authorized by the Civil Code from the Date of the notice of expense until
� paid in full.
4. The City may require the owner to post security in form and for a time period satisfactory
to the City to guarantee the performance of the obligations stated herein. Should the
Owner fail to perform the obligations under the Agreement, the City may, in the case of a
cash bond, act for the Owner using the proceeds from it, or in the case of a surety bond,
require the sureties to perform the obligations of the Agreement. As an additional
remedy, the City's Engineer may withdraw any previous stormwater-related approval
with respect to the property on which BMPs have been installed and/or implemented
until such time as Owner repays to City its reasonable costs incurred in accordance with
paragraph 3 above.
5. This agreement shall be recorded in the Office of the Recorder of Riverside County,
California, at the expense of the Owner and shall constitute notice to all successors and
assigns of the title to said Property of the obligation herein set forth, and also a lien in
such amount as will fully reimburse the City, including interest as herein above set forth,
subject to foreclosure in even of default in payment.
6. In event of legal action occasioned by any default or action of the Owner, or its
successors or assigns, then the Owner and its successors or assigns agree(s) to pay all
costs incurred by the City in enforcing the terms of this Agreement, including reasonable
attorney's fees and costs, and that the same shall become a part of the lien against said
Property.
I
� 7. It is the intent of the parties hereto that burdens and benefits herein undertaken shall
constitute covenants that run with said Property and constitute a lien there against.
June 2011
Project-Specific WQMP for Temecula Medical Center
Design Review No. PA10-0194
• 8. The obligations herein undertaken shall be binding upon the heirs, successors,
executors, administrators and assigns of the parties hereto. The term "Owner" shall
include not only the present Owner, but also its heirs, successors, executors,
administrators, and assigns. Owner shall notify any successor to title of all or part of the
Property about the existence of this Agreement. Owner shall provide such notice prior to
such successor obtaining an interest in all or part of the Property. Owner shall provide a
copy of such notice to the City at the same time such notice is provided to the
successor.
9. Time is of the essence in the performance of this Agreement.
10. Any notice to a party required or called for in this Agreement shall be served in person,
or by deposit in the U.S. Mail, first class postage prepaid, to the address set forth below.
Notice(s) shall be deemed effective upon receipt, or seventy-two (72) hours after deposit
in the U.S. Mail, whichever is earlier. A party may change a notice address only by
providing written notice thereof to the other party.
IF TO CITY: IF TO OWNER:
City of Temecula Universal Health Services
43200 Business Park Drive Attention: William Seed
Temecula, CA, 92589-9033 367 South Gulph Road
� King of Prussia, PA 19406
IN WITNESS THEREOF, the parties hereto have affixed their signatures as of the date first
written above.
OWNER: OWNER:
PRINTED NAME PRINTED NAME
SIGNATURE SIGNATURE
TITLE TITLE
A notary acknowledgement is required for recordation (attach appropriate acknowledgement).
� I
June 2011
Project-Specific WQMP for Temecula Meiiical Center
Design Review No. PA10-0194
• EXHIBIT A
(Leqal Descrintion)
NEED LEGAL DESCRIPTION OF PROPERTY
�
I I
•
June 2011
Project-Specific WQMP for Temecula Medical Center
Design Review No.PA10-0194
� � EXHIBIT B
(Map/Illustration)
�The WQMP Site Plan would be provided here.
�
•
June 2011
Project-Specific WQMP for Temecula Medical Center
Design Review No. PA70-0194
� Appendix H
Phase 1 Environmental Site Assessment
Summary of Site Remediation Conducted and Use Restrictions
(Not Applicable)
.
�
June 2011