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COUNTY OF LOS ANGELES
DEPARTMENT OF PUBLIC WORKS'To Enrich Lives Through Effective and Caring Service"
MARK PESTRELLA, Director
December 2, 2019
Mr. David LiuDirector of Public Works/City EngineerCity of Diamond Bar21810 Copley DriveDiamond Bar, CA 91765-4178
Attention Ms. Tommye Cribbins
Dear Mr. Liu:
CONSOLIDATED SEWER MAINTENANCE DISTRICTCONDITION-ASSESSMENT PROGRAM REPORTPROJECT NO. YOTV1415B
IN FEPLY PLEASEREFER TO FILE: SM-1
This letter is to inform you that Los Angeles County Public Works Consolidated SewerMaintenance District has completed acondition-assessment of the City of Diamond Bar'ssewer system.
The enclosed Condition-Assessment Report provides details regarding the maintenanceand structural condition of your sewer mainlines. Please note that two previous reportscovering the balance of your system were transmitted on March 6, 2013, andJune 17, 2014. The information contained in all three reports should be included in youragency's Sewer System Management Plan as a reference in Chapter 8, SystemEvaluation and Capacity Assurance Plan.
The segments with critical maintenance issues have been cleaned and, whereappropriate, incorporated into our enhanced maintenance schedule for continuedcleaning and monitoring. In addition, segments with severe structural defects have eitherbeen repaired or will be scheduled for corrective action as part of the ongoingAccumulative Capital Outlay Program.
900 SOUTH FREMONT AVENUEALHAMBRA, CALIFORNIA 91803-1331
Telephone: (626)458-5100
http://dpw.lacounty.gov ADDRESS ALL CORRESPONDENCE TO:P.O. BOX 1460
ALHAMBRA, CALIFORNIA 91802-1460
Mr. David LiuDecember 2, 2019Page 2
If you have any questions regarding this report or the Condition-Assessment Program,please contact Mr. Robert Swartz, Sewer Maintenance Division, at (626) 300-3367,Monday through Friday, 8 a.m. to 4 p.m. or at rswartzCc~pw.lacounty.gov.
Very truly yours,
MARK PESTRE~LADirector f Public Works
WILLIAM J. WINTERAssistant Deputy DirectorSewer Maintenance Division
El:jgH:tSMHOME~SEWER\2019\LETTERS &MEMOS\1335.DOCX
Enc.
Page 1 of 2
CONDITION-ASSESSMENT REPORTLOS ANGELES COUNTY PUBLIC WORKS
CONSOLIDATED SEWER MAINTENANCE DISTRICT
100% SUMMARY
SUP.DISTRICT(S)
4 CITY: Diamond Bar
Report By: Eric Liu Report Date: 08/26/2019
INTRODUCTION
As part of the Sewer Condition-Assessment Program, Los Angeles County Public WorksConsolidated Sewer Maintenance District (District) has completed the closed-circuittelevision inspection of 804,259 feet or 100 percent of the City of Diamond Bar’s(City) sewer system.
The closed-circuit television inspection of the City was completed in threephases (Project Nos. Y0TV0910C, Y0TV1011A, and Y0TV1415B). A copy of theCondition-Assessment Reports for Project Nos. Y0TV0910C and Y0TV1011A can befound in the District's website at http://dpw.lacounty.gov/smd/cctv/city/. Enclosed for yourreference is the Condition-Assessment Report for Project No. Y0TV1415B.
SUMMARY MAINTENANCE REPORT
Our inspection revealed that approximately 72.7 percent of the system televised was freeof significant blockages or restrictions that would impede sewer flows. The remaining27.3 percent of the inspected pipe segments had a Pipeline Assessment and CertificationProgram (PACP) maintenance grade of 3, 4, or 5 as indicated in the Quick MaintenanceRating Table shown below. These segments have been addressed with corrective actiontaken as noted in the enclosed reports.
QUICK MAINTENANCE RATING TABLE
DEFECTGRADE
PIPE LENGTH(FT)
PERCENT TOTALINSPECTED
PIPE LENGTH
NO. OFSEGMENTS
1: Minor 377,420 46.9 1,7442: Minor to Moderate 207,085 25.8 8673: Moderate 104,099 12.9 4524: Significant 95,832 11.9 4005: Most Significant 19,823 2.5 87
TOTAL 804,259 100.0 3,550
Page 2 of 2
SUMMARY STRUCTURAL REPORT
Our inspection revealed that approximately 93.1 percent of the inspected pipe segmentswithin the City were free of significant structural defects. The remaining6.9 percent of the inspected pipe segments had a PACP structural grade of 4 or 5 asindicated in the Quick Structural Rating Table shown below.
QUICK STRUCTURAL RATING TABLE
DEFECTGRADE
PIPELENGTH (FT)
PERCENT TOTALINSPECTED
PIPE LENGTH
NO. OFSEGMENTS
1: Minor 581,396 72.3 2,6012: Minor to Moderate 100,320 12.5 4373: Moderate 67,138 8.3 2764: Significant 31,636 3.9 1305: Most Significant 23,769 3.0 106
TOTAL 804,259 100.0 3,550
Page 1 of 4
CONDITION-ASSESSMENT REPORTLOS ANGELES COUNTY PUBLIC WORKS
CONSOLIDATED SEWER MAINTENANCE DISTRICT
PROJECT NAME: Y0TV1415B PROJECT MGR: Eric LiuPROJECT DATE: 4/27/2016 CONTACT NO: (626) 300-3369SUP. DISTRICT(s): 4 MAP PAGE(S): 2348, 2349, 2350, 2389,
2390, 2391, 2392, 2432,2433, 2434
Report By: Eric Liu Report Date: 08/26/2019
INTRODUCTION
Los Angeles County Public Works Consolidated Sewer Maintenance District (District)conducted a condition-assessment of 588,041 feet or 73.1 percent of the City's entiresewer system as part of Project No. Y0TV1415B.
The enclosed Condition-Assessment Report outlines the structural and maintenanceratings of your system based on the PACP's (Version 6.0.1) rating methodology.Included in the report are the following:
Project Overview Map (Enclosure 1)
Quick Maintenance Rating Map, High Water Levels List and Map, and InfiltrationList and Map (Enclosure 2)
Quick Structural Rating Report Priority List and Quick Structural Rating PriorityMap (Enclosure 3)
The Sewer Condition-Assessment Program utilizes the PACP Quick Rating methodologyto rank the structural and maintenance condition of your system based on industrystandards.
PROJECT AREA AND DESCRIPTION
Project No. Y0TV1415B included sewer lines located in the unincorporated County ofLos Angeles and the Cities of Baldwin Park, and Diamond Bar. Enclosed for yourreference is an overview map of the project area within your City (Enclosure 1).
Page 2 of 4
DEFECT GRADE DESCRIPTION
The Quick Rating indicates the number of occurrences for the highest severity grade foreach pipe segment for either maintenance or structural defects. A grade of 1 indicatesthat a pipe segment is in excellent condition with minor defects while a grade of5 indicates that a pipe segment may require immediate attention. A legend of the fivepossible defect grades is as follows:
Grade Defect Grade Description
1: MINOR
2: MINOR TO MODERATE
3: MODERATE
4: SIGNIFICANT
5: MOST SIGNIFICANT
MAINTENANCE REPORT
Our inspection revealed that approximately 73.0 percent of the system televised in yourCity as part of Project No. Y0TV1415B was free of significant blockages or restrictionsthat would impede sewer flows. The remaining 27.0 percent of the pipe segments had aPACP maintenance grade of 3, 4, or 5 as indicated in the Quick Maintenance RatingTable shown below. These segments have been incorporated into our periodic cleaningschedule with corrective action taken.
A color-coded map showing the quick maintenance rating for each pipe segment isprovided in Enclosure 2.
QUICK MAINTENANCE RATING TABLE
DEFECT GRADEPIPE LENGTH
(FT)
PERCENT TOTALINSPECTED PIPE
LENGTH
NO. OFSEGMENTS
1: Minor 311,895 53.0 1,4332: Minor to Moderate 117,804 20.0 4953: Moderate 68,725 11.7 3094: Significant 70,865 12.1 3045: Most Significant 18,752 3.2 82
TOTAL 588,041 100.0 2,623
Page 3 of 4
High-Water Levels
Our inspection revealed that approximately 98.3 percent of the system televised hasadequate capacity. Approximately 1.7 percent of the segments inspected exhibited visualsigns associated with high-water levels. The capacity of the sewer pipe can bedetermined by analyzing several PACP codes, including Water Level, Water Mark, andmiscellaneous remarks, which indicate the camera was underwater or there were sags inthe line. A sewer pipe is considered at capacity when 50 percent of the diameter of thesewer pipe is full of water. However, there are conditions in which the Water Level orWater Mark has reached 50 percent or greater due to heavy flows in adjoining pipes, atemporary stoppage caused by debris in the sewer lines, or a sag in the line.Therefore, additional review of these pipe segments was conducted to determine if anycapacity issues exist.
All sewer pipes where the Water Level, Water Mark, and miscellaneous remarks ofcamera underwater or sags in the line are at or above 50 percent capacity have beenlisted and analyzed on the High-Water Level Table in Enclosure 2. The nature of thesehigh-water level conditions is also summarized on this table. When the items have beenidentified to have high-water levels due to sewer line capacity, a Yes is indicated in thecapacity column. These areas should be reviewed by the City for existing and futurecapacity needs.
A map showing the sewer lines with high-water levels is provided in Enclosure 2.
Infiltration
Our inspection revealed that approximately 0.3 percent of the system in your City as partof Project No. Y0TV1415B has infiltration within the pipe segments. Infiltration is theingress of groundwater into the sewers through a defect of porous area of the pipe wall.All sewer pipes where infiltration was found are listed on the Infiltration Table inEnclosure 2. This table also provides the proposed corrective action for these impactedsewer segments. If a corrective action is proposed, the work will be programmed in thenext 24 months as part of our ongoing Accumulative Capital Outlay Program.
A map showing the sewer lines with infiltration is provided in Enclosure 2.
Page 4 of 4
STRUCTURAL REPORT
Our inspection revealed that approximately 93.5 percent of the inspected pipe segmentswithin the City were free of severe structural defects. The remaining 6.5 percent of theinspected pipe segments had a PACP structural grade of 4 or 5 as indicated in theQuick Structural Rating Table shown below. These segments have been placed on apriority list for rehabilitations based on the severity and the need for action.For items 1 through 169 in the Quick Structural Rating Report Priority List (Enclosure 3),which warrant a corrective action, the repair will be programmed in the next 24 monthsas part of the ongoing Accumulative Capital Outlay Program.
A color-coded map showing the Quick Structural Rating for each pipe segment is locatedin Enclosure 3.
QUICK STRUCTURAL RATING TABLE
DEFECTGRADE
PIPE LENGTH(FT)
PERCENT TOTALINSPECTED PIPE
LENGTH
NO. OFSEGMENTS
1: Minor 405,680 69.0 1,8352: Minor to Moderate 90,801 15.4 3963: Moderate 53,276 9.1 2234: Significant 18,342 3.1 795: Most Significant 19,942 3.4 90
TOTAL 588,041 100.0 2,623
CONDITION-ASSESSMENT PROJECTS
The Sewer Condition-Assessment Program performed the condition-assessment of thesewer lines within the City according to the following schedule:
FISCAL YEARPROJECT
NAMELENGTH
(FT)PERCENTAGE
OF SYSTEMSTATUS
2009-10 Y0TV0910C 114,095 14.2 COMPLETED
2010-11 Y0TV1011A 102,123 12.7 COMPLETED
2014-15 Y0TV1415B 588,041 73.1 COMPLETED
TOTAL 804,259 100.0
ENCLOSURE 1:
Project Overview Map
ÍP
ÍP
ÍPÍP
ÍP
ÍP
ÍP
ÍP
ÍP
ÍP
ÍP
Diamond Bar
Walnut
Unincorporated
Industry
Pomona
Pomona
West Covina
Unincorporated
Unincorporated
POMONA FRWY
UP RR
E VALLEY BLVDORA
NGE F
RWY
LA PUENTE RD
GOLDEN SPRINGS DRGRAND AV
PATHFINDER RD
AMAR RD
N GRAND AV
*****
DIAMOND BAR BLVD
COLIMA RD
BREA
CAN
YON
RD
WALNUT DR
PIERRE RD
BREA CANYON CTO
STATE RD
LEMON AV
BALAN RD
RIDGE LINE RD
PIONEE
R RD
BAKER PKWY
FAIRWAY DR
VEJAR RD
PEPP
ERDA
LE D
R
RIO RANCHO RD
S DIAMOND BAR BLVD
CREEKSIDE DR FUERTE DR
WALNUT DR S
INDIAN CREEK RD
FERRERO PKWY
SAN JOSE AV
BUSINESS PKWY
CHIN
O HI
LLS P
KWY
CARREY RD
LYCOMING ST
ARCD
ALE
AV
PALOMINO DR
LEYLAND DR
DECORAH RD
JOEL DR
PANTERA DR
N DE
L SOL
LN
SUMM
ITRIDG
E DR
STEEPLE
CHASE LN
N DIAM
OND B
AR BL
VD
MEAD
OW PA
SS R
D
ARMITOS PL
LONG
VIEW DR
BIRDS EYE DR
CASTL
E ROCK R
D
OTTE
RBEI
N AV
CL BAJA
SNOW CREEK DR
GARTEL DR SUNSET CROSSING RD
DERR
INGE
R LN
WAGO
N TRA
IN LN
BLAZ
E TR
GOLD RUSH DR
CHERYL
LN
BANI
DA A
VS S
ENTO
US S
T
MAPLE HILL RD
CM D GLORIA
COPLEY DR
CRESTLINE DR
S PAR
K AV
CAMPFIRE RD
HARRISON AV
BREA RIDGE MTWY
KIOWA CREST DR
HAWKWOOD RD
BEVE
RLY D
R
VIS H
ERMO
SA D
R
S LEMON AV
VILLAGE LOOP RD
ANNA
DEL A
V
GARCIA LN
VALLEY VIEW AV
CM D TEODORO
PAS DL PRADO
PEAC
EFUL
HILL
S RD
FORECASTLE AV
WALNUT CANYON RD
NAN CT
WINDROSE DR
SR-60 W EXIT 23
HOLLINGWORTH ST
RIO LOBOS RD
BALLENA DR
SHADOW OAK DRCOLUSA DR
ROCK RIVE
R RD
AMBUSHERS ST
VALENCIA STCLEAR CREEK LN
YBAR
RA D
R
PIONEER MTWY
SILVER VALLEY TR
MORNING CANYON RD
OAK KNOLL DR
LAKE CANYON DR
SANOME MTWY
HIGH KNOB RD
SYLVAN GLEN RD
W LEXINGTON AV
POINT
ER DR
PORTSIDE DR
DUBLIN LN
SR-60 E EXIT 29A
N AVD ALIPAZ
CM ARROYO
TIERRA LUNA
BARNARD AV
SPUR
TRAI
L AV
OLD BREA CANYON RD
ROCK
RIVE
R DR
LA SIERRA DR
BENIK PL
TONNER CANYON RD
VIA SORELLA
DELTA DR
RED HAWK RD
DIVONNE DR
CALBOURNE DR
VIS DE
L NORT
E
FLINTGATE DR
WINDMILL DR
RISING HILL RD
MORNINGSIDE DR
CALPET DR
AVD DEL SOL
RUNNING BRANCH RD
CITADEL DR
QUAIL RUN DR
HILLTONIA DR
HASK
ELL R
D
SUGARPINE PL
TRIGGER LN
ILUSO
AV
PHILLIPS RANCH RD
WESTBROOK LN
BOWCREEK DR
N PROSPECTORS RDRUDY ST
OLD POMONA RD
RED
CLOU
D DR
RIM LN
WALNUT LEAF DR
MEAD
OWGL
EN RD
RIDGEVIEW AV
CARPIO DR
DRY CREEK RD
NAUS
IKA A
V
VALLEY VISTA DR
ANO NUEVO DR
CASTLEHILL DR
BRIDGE GATE DR
VIS RA
MBLA
SR-71 N EXIT 13
VIEW
LN
CARBONIA AV
RANCE DR
SILVER HAWK DR
SR-60 W EXIT 28
JUBILEE LN
QUIET HILLS RD
GREA
T BEN
D DR
N PLATINA DR
SR-60
E EX
IT 25
COLINA DR
WIND RIVER LN
WALNUT DR N
SAN
ROQU
E DR
SUNDANCE DR
WILLOWBROOK LN
ACACIA HILL RD
SR-57
S EX
IT 15
GOLD NUGGET AV
RICCI AV
E AVD RANCHEROS
EMPTY SADDLE RD
BOURDET AV
MOUNTAIN LAUREL WY
LINCO
LN A
V
RAPIDVIEW DR
E LA PUENTE RD
FALCON RIDGE DR
N EL E
NCIN
O DR
HILLMAN LN
SEARLS DR
PAS SONRISA
LOOKING GLASS DR
SANTA CLARA DR
ADDIS ST
CL A
LCAZ
AR
PINTADO DR
CRESTVIEW DR
BIRCH HILL DR
MONT
EFIN
O AV
EVER
GREE
N SPR
INGS
DR
FARB
EN D
R
HORIZON LN
THUNDER TR
COLT LN
ARENTH AV
ARABIAN LN
ROLLING RIDGE DR
RAINBOW RIDGE RD
NORTHAMPTON ST
SAPPHIRE LN
FLEMINGTON DR
CARLTON PL
SEKI
O AV EM
ERAL
D LN
IRONBARK DR
GREY
FOX R
D
N PA
LO C
EDRO
DR
SUNBRIGHT DR
DARRIN DR
VICTORIA WY
SONGBIRD LN
GLENBROOK DRBR
ONCO
WY
LARKSTONE DR
BRAIDED MANE DR
HILLRISE DR
LAZY
TRAIL
RD
RIVIER
A DR
MOONLAKE ST
MILLRIDGE DR
OAKB
URN
DRSR-60 W EXIT 26
SR-57 S EXIT 13
SR-57
N EX
IT 15
AFAMADO LN
ROLL
ING
KNOL
L RD
HOLCROFT DR
SR-57
N EXIT
14
SUZANNE RD
SR-60 E EXIT 21
CARV
IN A
V
REEDVIEW DR
ABOGADO AV
FAIRLANCE DR
CROO
KED C
REEK
DR
CAJON PASS TR
BARBI LN
LIVIUS WY
CLIFFBRANCH DRMARKSTAY ST
LAVENDER DR
CAMW
OOD
AV
DIEHL ST
BRANDING IRON RD
PLANTATION LN
VIEWPOINT CIR
NORTHVIEW DR
WINT
ERWO
OD LN
SYCAMORE PK
LOS
GATO
S DR
SR-60 E EXIT 24B
JULLIARD DR
STARSHINE RD
PACE
R CT
RADBURY PL
MAGNOLIA ST
ALAMO HEIGHTS DR
MOSCADA AV
MERRYGROVE ST
BARCELONA PL
FRANCES LN
BIG FA
LLS D
R
SAN LEANDRO DR
MILLETTE AV
BENTLEY WY
DEEPSPRINGS DR
DAYTON AV
GOLD
EN C
OAST
LN
CRISTO LN
WATER COURSE DR
NOBL
E CAN
YON
WY
DIAMOND RANCH RD
SILVER CLOUD DR
COTT
ONWOOD W
Y
APACHE WY
FOXB
ORO
DRSR-60 E EXIT 23
SR-60 W EXIT 24B
RHAPSODY RD
GUNS
MOKE
AV
ROUNDUP DR
BRID
LE D
R
EADB
URY A
V
HOLL
ANDA
LE AV
OAK C
LIFF D
R
HILLCREST S
T
TINTAH DR
EASTG
ATE DR
LA TORTOLA DR
VIEW DR
FUERO DR
VALLEY VIEW DR
SAND SPRING DR
SENE
CA P
L
HOLLOW PINE DR
PINTO CIR
LAURELRIM DR
SKYLINE DR
CL DL MAR
RUBY
CT
MIRALOMA WY
ESTATE CT
TIMBERLINE LNHI
GHBL
UFF D
R
SILVE
R FIR
RD
BENFIELD PL
ESTO
RIL D
R
LORRI WY
LOS C
ERRO
S DR
CLAYWOOD DR
RIDGECREST CT
LYON
WOO
D AV
MARY ANN LN
BARKER DR
SPT CO RR
RIMFORD PL
ROCKY TRAIL RD
NEWGARDEN ST
CHINO AV
TROTTER CT
CAROLYN PL
CHAPEL HILL DR
TENNESSEE TRBL
UE H
AVEN
DR
PACIFIC DR
SCENIC RIDGE DR
LAKEWAY DR
VALEVIEW DR
BAIN AV
SILVE
RTIP
DR
CRONIN DR
MESA RIDGE DR
KIDD
DR
FALCONBURN WY
AGUIRO ST
MCKAY DR
TERRACE LN W
PLATT RIVER DR
NEWBURY WY
AVD GRULLA
BRAM
FORD
CT
VISTA
LN
CANTEL PL
HARE AV
AUTU
MN H
ILL R
D
S EL ENCINO DR
EARLGATE ST
PALA MESA DR
TORITO LN
ALISU CT
CHANDELLE PL
RISING STAR DR
DOESKIN PL
DOLE
CT
SUMM
ERW
OOD
AV
RIDG
E POI
NT D
R
CARRIAGE LN
BRIAR CREEK RD
S OTT
ERBE
IN AV
FOXLAKE AV
RUSTIC CT
FIG
HALLGREEN DR
PIKES CT
GRAVINA ST
MIRAGE LN
HIDDEN TRAIL PL
HIDDEN PINES DR
BARROSO ST
COGB
URN
LN
JAMON LN
CROW FOOT LN
PINEFALLS DR
SABANA DR
CL SOLIS
BLUFF CT
MALA
GA C
IR
RITTER ST
FLINTROCK RD
TOP CT
HIPASS DR
BLUEBELL CT
PEAK CT
SHADEHILL PL
KINGLAKE DR
CELLO DR
*****
ORAN
GE FR
WY
*****
LEMO
N AV
*****
ORANGE FRWY
ORANG
E FRW
Y
*****
*****
*****
*****
*****
WINDMILL DR
CAST
LE RO
CK RD
TONNER CANYON RD
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
POMONA FRWY
*****
*****
*****
*****
*****
*****
UP RR
*****
JULLIARD DR
*****
*****
*****
*****
UP RR
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
E-2349
E-2392
E-2348
E-2391E-2434
E-2433E-2390E-2347
E-2432
E-2389
E-2346
E-2306
E-2303
E-2350E-2393
E-2307
E-2304
E-2305
LegendSMD Manholes!U Other
Manhole Type!( Standard#* DROP
" ± ShallowXW Trap!? SiphonÍP SMD Pump Stations
3Q SMD Treatment PlantsTrunk SewerlinesNon SMD Sanitary Sewers
!( Non SMD Maintained MHSMD Operations MapsCCTV Project Area
October 2019
0 1,300 2,600 3,900 5,200
Feet
This map is intended only for internal operations of the Los Angeles County Sewer Maintenance Districts. Los Angles County expressly disclaims any liabilityfor any inaccuracies which may be present in thismap. Data contained in this map is produced in whole or part from the Thomas Bros. Maps® digital database. This map is copyrighted, and reproducedwith permission granted, by Thomas Bros. Maps®.All rights reserved.
O
OVERVIEW MAP
CITY OFDIAMOND BAR
CCTV PROJECTY0TV1415B
ENCLOSURE 2:
Quick Maintenance Rating Map High Water Levels List and Map Infiltration List and Map
ÍP
ÍP
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E-2433
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LegendSMD Sanitary Sewers QMR
1: MINOR2: MINOR TO MODERATE3: MODERATE4: SIGNIFICANT5: MOST SIGNIFICANT
SMD Manholes !U Other
Manhole Type!( Standard#* DROP
" ± ShallowXW Trap!? SiphonÍP SMD Pump Stations
3Q SMD Treatment PlantsTrunk SewerlinesNon SMD Sanitary Sewers
!( Non SMD Maintained MHSMD Operations MapsCCTV Project Area
October 2019
This map is intended only for internal operations of the Los Angeles County Sewer Maintenance Districts. Los Angles County expressly disclaims any liabilityfor any inaccuracies which may be present in thismap. Data contained in this map is produced in whole or part from the Thomas Bros. Maps® digital database. This map is copyrighted, and reproducedwith permission granted, by Thomas Bros. Maps®.All rights reserved.
0 720 1,440 2,160 2,880
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CITY OFDIAMOND BAR
CCTV PROJECT
Y0TV1415BENCLOSURE 2
QUICK MAINTENANCE
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Diamond Bar
Unincorporated
IndustryIndustry
ORANG
E FRW
Y
GRAND AV
DIAMOND
BAR B
LVD
POMONA FRWY
PATHFINDER RD
BREA CANYON RD
GOLDEN SPRINGS DR
*****
STATE RD
LEMON AV
TONNER CANYON RD
UP RR
LYCOMING ST
MAPLE HILL RD
BREA CANYON CTO
SR-60 W EXIT 23
AMBUSHERS ST
CLEAR CREEK LN
PIONE
ER M
TWY
FALCONS VIEW DR
VIA SORELL
ACALPET DR
RUNNING BRANCH RD HASK
ELL R
D
TRIGGER LN
RIM LN
MEAD
OWGL
EN RD
WALNUT DR
RAPIDVIEW DR
RANCE DR
NORTHAMPTON ST
SR-57 S EXIT 14
ADEL AV
SANOME MTWY
LARKSTONE DR
SR-60 E EXIT 24A
MOONLAKE ST
SR-57
N EXIT
14
FAIRLANCE DR
CROO
KED C
REEK
DR
CAPEN AV
LODGE POLE RD
MILL LN
KELFIELD DR
STARSHINE RD
GLENTHORPE DR
FLINTGATE DR
SR-60 E EXIT 23
SOFTWIND DR
LAKE CANYON DR
SHAD
Y RIDG
E LN
CROFTER DR
TERRACE LN W
GREENSIDE DR
HARE AV
FAREL AV
BIND CT
QUARRY LN
TONNER FIRE RD
CROW FOOT LN
MALAGA CIR
MORNING SUN AV
GLENWOLD DR
*****
*****
*****
ORAN
GE FR
WY
POMONA FRWY
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
E-2392
E-2391
E-2348
E-2349
E-2434
E-2393
E-2390
E-2350
E-2433E-2347
LegendSMD Sanitary Sewers QMR
1: MINOR2: MINOR TO MODERATE3: MODERATE4: SIGNIFICANT5: MOST SIGNIFICANT
SMD Manholes !U Other
Manhole Type!( Standard#* DROP
" ± ShallowXW Trap!? SiphonÍP SMD Pump Stations
3Q SMD Treatment PlantsTrunk SewerlinesNon SMD Sanitary Sewers
!( Non SMD Maintained MHSMD Operations MapsCCTV Project Area
October 2019
This map is intended only for internal operations of the Los Angeles County Sewer Maintenance Districts. Los Angles County expressly disclaims any liabilityfor any inaccuracies which may be present in thismap. Data contained in this map is produced in whole or part from the Thomas Bros. Maps® digital database. This map is copyrighted, and reproducedwith permission granted, by Thomas Bros. Maps®.All rights reserved.
0 720 1,440 2,160 2,880
Feet
CITY OFDIAMOND BAR
CCTV PROJECT
Y0TV1415BENCLOSURE 2
QUICK MAINTENANCE
RATING(QMR)
O
ITEM NO. QMR START MH END MH STREET OBSERVATION: LOCATION CAPACITY CORRECTIVE ACTION
1 5441 2433-0309 2433-0310 LEYLAND DR High water mark NO Hydrojet
2 523C 2391-0518 2391-0511 MEADOWGLEN RD High water level NO Hydrojet
3 5232 2349-0112 2349-0109 CASTLE ROCK RD High water level NO Hydrojet
4 5200 2349-0076 2349-0075 DIAMOND BAR BV High water level NO Hydrojet
5 5200 2349-0074 2392-0277 DIAMOND BAR BV High water mark NO Hydrojet
6 5142 2349-0120 2349-0119 COLD SPRING LN High water level NO Hydrojet
7 5142 2392-0154 2392-0153 DIAMOND BAR BV High water level, Camera underwater NO Hydrojet
8 5141 2391-0315 2391-0314 DIAMOND BAR BV High water level NO Hydrojet
9 5141 2433-0343 2433-0309 NEWBURY WY High water mark NO Hydrojet
10 5122 2349-0083 2349-0082 CROOKED CREEK DR High water level NO Hydrojet
11 4A00 2391-0530 2391-0541 DIAMOND BAR BV High water mark, Camera underwater NO Hydrojet
12 4900 2434-0194 2434-0111 LONGVIEW DR Camera underwater NO Hydrojet
13 4600 2389-0239 2389-0238 ROCK RIVER DR Camera underwater NO Hydrojet
14 432C 2389-0180 2389-0179 DRY CREEK Sag NO Hydrojet
15 4132 2434-0206 2434-0069 EASEMENT High water mark NO Hydrojet
16 4131 2390-0184 2390-0183 PRIVATE RD High water mark NO Hydrojet
17 4125 2390-0355 2390-0357 COGBURN LN High water mark NO Hydrojet
18 4121 2391-0324 2391-0320 KIOWA CREST DR High water mark NO Hydrojet
19 4121 2392-0182 2392-0181 BLAZE TR High water mark NO Hydrojet
20 4121 2434-0083 2434-0085 SUMMITRIDGE DR High water mark NO Hydrojet
21 4111 2391-0241 2391-0240 MOUNTAIN LAUREL WY High water mark NO Hydrojet
22 4100 2434-0105 SMPS00760 EASEMENT High water mark NO Hydrojet
23 4100 2434-0086 2434-0087 DELTA DR High water mark NO Hydrojet
24 4100 2434-0071 2434-0072 RIMFORD PL High water mark NO Hydrojet
25 4100 2392-0277 2392-0312 DIAMOND BAR BV High water mark NO Hydrojet
26 4100 2433-0039 2433-0038 RANCHERIA DR High water mark NO Hydrojet
27 4100 2434-0104 2434-0105 LONGVIEW DR High water mark NO Hydrojet
28 4100 2349-0144 2348-0595 EASEMENT High water mark NO Hydrojet
29 3100 2392-0275 2392-0124 DIAMOND BAR BV High water mark NO Hydrojet
ENCLOSURE 2
HIGH WATER LEVELS
CITY OF DIAMOND BAR (Y0TV1415B)
ÍP
ÍP
ÍP
3839
239
183
179180
238
357
310
355
309
184
Diamond Bar
Pomona
Industry
Walnut
Unincorporated
Unincorporated
POMONA FRWY
UP RR
GOLDEN SPRINGS DR
N GRAND AV
ORAN
GE FR
WY****
*
GRAND AV
E VALLEY BLVD
BAKER PK
WY
TEMPLE AV
LA PU
ENTE
RD
S DIAMOND BAR BLVD
FERRERO PK
WY
N DIAM
OND B
AR BL
VD
CHINO HILLS PKWY
VALL
EY BL
VDPALOMINO DR
LEYLAND DR
DECORAH RD
PANTERA DR
N DE
L SOL
LN
ARMITOS PL
SUNSET CROSSING RD
GOLD RUSH DR
SNOW CREEK DR
STORRS PL
VILLAGE LOOP RD
GARCIA LN
NAN CT
CHINO VALLEY FRWY
RIO LOBOS RD
BALLENA DR
LONGVIEW DR
MAYO AV
ROCK RIVE
R RD
LOS FELIS DR
GOLDEN PRADOS DR
FLINTLOCK RD
HIGH KNOB RD
SYLVAN GLEN RD
SUMM
ITRIDG
E DR
W PHILLIPS BLVDSP
UR TR
AIL A
V
OLD BREA CANYON RD
ROCK RIVER DR
LA SIERRA DR
TONNER CANYON RD
OLD RANCH RD
LOS COYOTES DRRO
DEO
WY
W MI
SSIO
N BLV
D
SERVICE RD
STATE ST
PHILLIPS RANCH RDWESTBROOK LN
BOWCREEK DR
N PROSPECTORS RD
SEAGREEN DR
RED CLOUD DR
GUNSMOKE DR
CARPIO DR
DRY CREEK RD
SR-57 N EXIT 20
S PROSPECTORS RD
VIEW
LN
COPLEY DR
JUBILEE LN
GREA
T BEN
D DR
RIO RANCHO RDN PLA
TINA D
R
SR-60
E EXIT 25
PROSPECT DR
SR-60 W EXIT 23
W FREMONT ST
SUNDANCE DR
WILLOWBROOK LN
E AVD RANCHEROS
FALCON RIDGE DR
N EL E
NCINO
DR
W POMONA BLVD
LOOKING GLASS DR
SANTA CLARA DR
SR-60 W EXIT 28
STIRR
UP DR
PINTADO DR
CRESTVIEW DR
FARB
EN D
R
S PAL
O CE
DRO
DR
MINNEQUA DR
SILVERWOOD LN
BUCKSKIN DR
NORT
H RA
NCH R
D
THUNDER TR
HIGHLAND VALLEY RD
ARABIAN LN
ROLLING RIDGE DR
SR-57 S EXIT 1
8
MILL
VALL
EY RD
HIGHCREST DR
SR-60 E EXIT 28
CALATINA DR
HAPPY HOLLOW RD
DARRIN DR
BRON
CO W
Y
CHARMINGDALE RD
COYOTE DR
RISING HILL RD
RANCHO LAGUNA DR
SR-60 W EXIT 26
AFAMADO LN
FEATHERWOOD DR
OLD WOOD RD
QUIET HILLS RD
IRONSHOE CT
CANYON VISTA CT
WILLOW CREEK RD
BREA
CAN
YON
RD
OVERLOOK RIDGE RD
SR-60 E EXIT 24A
S DEL SOL LN
KNOLLV
IEW DR
LAVENDER DRGR
EYCL
OUD
LN
VIEWPOINT CIR
CHAPARRAL DR
SYCAMORE PK
SR-60 E EXIT 24B
PACE
R CT
COUNTRY WOOD DR
MAGN
OLIA
ST
BIG FA
LLS D
R
OLD POMONA RD
CANYON RIM RD
BREGANTE DR
SAN LEANDRO DR
MEADOW VIEW DR
DEEPSPRINGS DR
HUNTER POINT RD
DIAMOND RANCH RD
COTT
ONWOO
D WY
MONT
EFIN
O AV
APPIAN WY
STAGECOACH DR
SR-60 W EXIT 24B
SCENIC RIDGE DR
WINDING BROOK LN
SOMERSET DR
GUNS
MOKE
AV
ROUN
DUP D
R
PINTO WY
BLUEBIRD RD
BRID
LE D
R
SHADY PL
OAK C
LIFF D
R
EASTG
ATE DR
TOPSIDE PL
SENE
CA PL
CRYS
TAL W
ATER
LN
GERNDAL ST
RANCHO NOVATO DR
COVERED WAGON DR
SKYLINE DR
DEEP
HILL
RD
CL DL MAR
BENFIELD PL
ESTO
RIL D
R
CLAYWOOD DR
RIDGECREST CT
BARKER DR
GEM PL
GOLD NUGGET AV
WYNNE
WOOD D
R
FRANCISCAN PL
SILVER SPRAY DR
CHINO AV
MILK
YWAY
PL
TROTTER CT
LAKE
WAY
DR
SUNSET RIDGE DR
ROCKBURY DR
CHOLAME DR
SILVE
RTIP DR
BENTON CT
TANGLEWOOD DR
STRO
NGBOW DR
KIDD
DR
SERRA D
R
FERN PL
BOXCOVE PL
TERRACE LN W
NEWBURY WY
FAURE AV
HILTON HEAD DR
BRIDGEWATER LN
HIDDEN VALLEY RD
SPRING ST
ROCKBRIDGE RD
HOUR
GLAS
S PL
VIA D
PAJ
ARO
STRANGE CREEK DR
TRUEGRIT PL
PERCHERON DR
PALA MESA DR
STEEP CANYON RD
TORITO LN
SAN RAPHAEL PL
CAMERON CREST DR
CHANDELLE PL
WASHIN
GTON
ST
DOLE
CT
MEADCLIFF PL
SAPPHIRE CANYON RD
CHAP
PARA
L DR
ANTLER DR
FIREP
IT DR
WOODLEAF DR
SR-60 E EXIT 26
BRIAR
CRE
EK R
D
PIKES CT
TRABUCO PL
WHITECLIFF DR
LA TORRE DR
EL VADO RD
ARBOR CT
COTTONTAIL DR
FOXHAVEN PL
RANC
HWOO
D PL
LOWNES PL
PANH
ANDL
E DR
CL DL REY
SAINT IVES CT
CROMARTY DR
RITTER ST
BANN
ER RI
DGE R
D
COLD
STRE
AM CT
TOP CT
PEAK CT
MOUNT ST
S PINTADO DR
BRENT CIR
JON
CT
HOSS
ST
JULIAN CT
GOLDFIELD PL
DARE
CT
PARKVIEW CT
LASPINO LN
PORTOLA CT
VILLAGE DR
POMMEL C
T
AGUSTA WY
STONEGATE CIR
COUGAS CREEK RD
GOLDSTAR PL
MACHLIN CT
LISA CT
WOODSPRING PL
TIMBE
RLAN
D LN
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
UP RR
*****
*****
*****
*****
*****
*****
*****
S DEL SOL LN
ORANGE FRWY
*****
*****
*****
*****
*****
*****
POMONA FRWY
TONN
ER C
ANYO
N RD
*****
*****
ORAN
GE FR
WY
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
*****
E-2433E-2390
E-2432
E-2389
E-2391E-2434
E-2346
E-2347
E-2388
E-2348
E-2345
LegendHigh Water Level
SMD Manholes!U Other
Manhole Type!( Standard#* DROP
" ± ShallowXW Trap!? SiphonÍP SMD Pump Stations
3Q SMD Treatment PlantsTrunk SewerlinesNon SMD Sanitary Sewers
!( Non SMD Maintained MHSMD Operations MapsCCTV Project Area
October 2019
This map is intended only for internal operations of the Los Angeles County Sewer Maintenance Districts. Los Angles County expressly disclaims any liabilityfor any inaccuracies which may be present in thismap. Data contained in this map is produced in whole or part from the Thomas Bros. Maps® digital database. This map is copyrighted, and reproducedwith permission granted, by Thomas Bros. Maps®.All rights reserved.
0 750 1,500 2,250 3,000
Feet
CITY OFDIAMOND BAR
CCTV PROJECT
Y0TV1415BENCLOSURE 2
HIGH WATERLEVELS
O
ÍP
ÍP
ÍP
ÍPÍP
ÍP
ÍP
ÍP
8683
7582
74
76
71
85 8769
72
83
357 355
595
206
315
104
240
181
111
105
241
109
124
518
194
541
112
277
182
312
153
275
144
119
511
314
154
324530
120
320
Diamond Bar
Unincorporated
IndustryIndustry
ORANG
E FRW
Y
GRAND AV
DIAMOND BAR BLVD
POMONA FRWY
BREA
CANY
ON RD
*****
STATE RD
PATHFINDER RD
GOLDEN SPRINGS DR
RIDGE LINE RD
TONNER CANYON RD
LEMO
N AV
PIONE
ER R
D
LONG
VIEW
DR
INDIAN CREEK RD
LYCOMING ST
STEE
PLEC
HASE
LN
UP RR
BIRDS EYE DR
CASTL
E ROCK R
D
DERR
INGE
R LN
WAGON TRAIN LN
BLAZ
E TR
SUMMITR
IDGE D
R
MAPLE HILL RD
COPLEY DR
CAMPFIRE RD
KIOWA CREST DR
HAWKWOOD RD
PEAC
EFUL
HILL
S RD
NAN CT
SR-60 W EXIT 23
AMBUSHERS ST
CLEAR CREEK LN
BREA CANYON CTO
FALLO
W FIEL
D DR
PIONE
ER M
TWY
MORNING CANYON RD
OAK KNOLL DR
FALCONS VIEW DRDU
BLIN
LN
VIA SORELL
A
DELTA DR
BREA RIDGE MTWY
WINDMILL DR
RUNNING BRANCH RDHA
SKEL
L RD
SUGARPINE PL
TRIGGER LN
SANOME MTWY
SANTAQUIN DR
CRESTLINE DR
RIM LN
FALC
ON R
IDGE
RD
MEAD
OWGL
EN RD
VALL
EY V
ISTA D
R
ANO NUEVO DR
BRIDGE GATE DR
SILVER HAWK DR
FERN
HOL
LOW
DR
ACACIA HILL RD
SR-57
S EX
IT 15
GOLD NUGGET AV
MOUNTAIN LAUREL WY
RAPIDVIEW DR
BIRCH HILL DR
MONT
EFIN
O AV
EVER
GREE
N SPR
INGS D
R
HORIZON LN
CANYON RIDGE RD
THUNDER TR
NORTHAMPTON ST
CHIRPING SPARROW RD
GERNDAL ST
SAPPHIRE LN
SR-57 S EXIT 14
QUAIL SUMMIT DREM
ERAL
D LN
IRONBARK DR
ADEL AV
SUNBRIGHT DR
BROOKWOOD DR
GLENBROOK DR
LARKSTONE DR
BRAIDED MANE DRLA
ZY TR
AIL RD
SR-60 E EXIT 24AMOONLAKE ST
SR-57
N EX
IT 15
ROLL
ING
KNOL
L RD
GOLD RUN DR
SR-57
N EXIT
14
GLEN
WIC
K AV
TONNER FIRE RD
CROOKED CREEK DR
BELLA PINE DR
SHADOW CANYON DR
CAPEN AV
CAJON PASS TR
BARBI LN
CLIFFBRANCH DR
LAVENDER DR
WINTER
WOOD L
N
LODGE POLE RD
MILL LN
LOST RIVER DR
LINCO
LN AV
BENT TWIG LN
KELFIELD DR
ALAMO HEIGHTS DR
RIM FIRE LN
INDI
AN W
ELL D
R
BENTLEY WY
WATER COURSE DR
SILVER CLOUD DR
HONE
YHILL
DR
PECAN GROVE DR
HIGH COUNTRY DR
CRYSTAL RIDGE RD
SR-60 E EXIT 23
ROCKY VIEW RD
ROMN
EY D
R
CALPET DR
WILL
OW B
UD D
R
CREST LN
FOREST CANYON DR
RUSTY SPUR RD
OAK MEADOW LN
STARSHINE RD
TINTAH DR
SENE
CA PL
STAR
DUST
DR
DIAMOND KNOLL LN
RUBY
CT
PRESADO DR
TIMBERLINE LN
ESTO
RIL D
R
LOS C
ERRO
S DR
SHAD
Y RIDG
E LN
JADE CT
ROCKY TRAIL RD
AUTUMNGLOW DR
BLENARM DR
ELDERTREE DR
CROFTER DR
WOODBRIDGE CT
DRYANDER DR
BAIN AV
FALCONBURN WY
CEDARDALE DR
FOX GLEN DR
TERRACE LN W
EAGLEFEN DR
TIERR
A LO
MA D
R
HARE AV
AUTU
MN H
ILL R
D
RANGE CT
TRUEGRIT PL
EARLGATE ST
DEEPLAWN DR
RISING STAR DR
BIND CT
HERN DR
RIDG
E POI
NT D
R
HARMONY HILL DR
RUSTIC CT
PAINT BRUSH LN
ASPEN KNOLL DR
MIRAGE LN
LA PAZ LN
GREYCREST PL
REAT
A PL
SHOTGUN LN
MISSIONARY RIDGE RD
WHITE FIR LN
CARRISO RD
KICKING HORSE DR
FLINTROCK RD
BLAC
K HA
WK D
R
MIST
Y CT
FLAPJACK DR
KNOLL CT
DIAMOND CT
HEDG
EWOO
D PL
MORNING SUN AV
GLENWOLD DR
TIMBERTOP LN
DARE
CT
BOULDER LN
TOLANI CT
LASSO DR
TRUSS CT
TAMBO PL
PASCO CT
OATES
DR
REDPOST CT
SIMS P
L
YUCATAN PL
BODE
GA WY
GACEL CTBANN
ING W
Y
GONA CT
BAFT LN
ERIN CT
JALE
E CT
HIDEOUT DR
STONEPINE DR
ARKLEY DR
*****
CASTLE ROCK RD
*****
*****
*****
SUNB
RIGHT
DR
MORN
ING
SUN
AV
*****
*****
*****
*****
*****
*****
*****
**********
*****
ORAN
GE FR
WY
*****
POMONA FRWY
*****
*****
*****
*****
BREA CANYON RD
*****
*****
*****
*****
WINDMILL DR
***** *****
*****
*****
E-2392
E-2391
E-2434
E-2348
E-2349
E-2393
E-2390
E-2350
E-2433E-2347
LegendHigh Water Level
SMD Manholes!U Other
Manhole Type!( Standard#* DROP
" ± ShallowXW Trap!? SiphonÍP SMD Pump Stations
3Q SMD Treatment PlantsTrunk SewerlinesNon SMD Sanitary Sewers
!( Non SMD Maintained MHSMD Operations MapsCCTV Project Area
October 2019
This map is intended only for internal operations of the Los Angeles County Sewer Maintenance Districts. Los Angles County expressly disclaims any liabilityfor any inaccuracies which may be present in thismap. Data contained in this map is produced in whole or part from the Thomas Bros. Maps® digital database. This map is copyrighted, and reproducedwith permission granted, by Thomas Bros. Maps®.All rights reserved.
0 750 1,500 2,250 3,000
Feet
CITY OFDIAMOND BAR
CCTV PROJECT
Y0TV1415BENCLOSURE 2
HIGH WATERLEVELS
O
ITEM
NO.START MH END MH STREET OBSERVATION CORRECTIVE ACTION
1 2392-0244 2392-0245 CASTLE ROCK RD Infiltration gusher Lining: MH to MH
2 2389-0166 2389-0167 SUNSET CROSSING RD Infiltration runner Infiltration is minimal. No action needed.
3 2391-0316 2391-0315 KIOWA CREST DR Infiltration gusher Lining: MH to MH
4 2349-0113 2349-0112 CASTLE ROCK RD Infiltration runner Infiltration is minimal. No action needed.
5 2349-0115 2349-0114 CASTLE ROCK RD Infiltration runner Lining: MH to MH
6 2349-0129 2349-0128 CASTLE ROCK RD Infiltration runner Infiltration is minimal. No action needed.
7 2349-0122 2349-0123 SILVER CLOUD DR Infiltration runner Infiltration is minimal. No action needed.
8 2389-0180 2389-0179 DRY CREEK Infiltration runner Infiltration is minimal. No action needed.
9 2349-0127 2349-0128 LASSO DR Infiltration runner Infiltration is minimal. No action needed.
10 2349-0133 2349-0132 HIDDEN PINES DR Infiltration runner Infiltration is minimal. No action needed.
11 2391-0527 2391-0526 DIAMOND BAR BV Infiltration runner Grout injection.
12 2392-0324 2392-0323 COUNTRY HILLS TOWN CENTER Infiltration runner Infiltration is minimal. No action needed.
13 2391-0644 2391-0593 EASEMENT Infiltration runner Infiltration is minimal. No action needed.
14 2349-0124 2349-0119 CASTLE ROCK RD Infiltration runner Grout injection.
15 2349-0125 2349-0124 CASTLE ROCK RD Infiltration runner Grout injection.
16 2349-0130 2349-0129 HIPASS DR Infiltration runner Grout injection.
17 2349-0134 2349-0133 HIDDEN PINES DR Infiltration dripper Infiltration is minimal. No action needed.
18 2392-0249 2392-0247 HARMONY HILL DR Infiltration runner Grout injection.
19 2391-0295 2391-0296 CANYON DR Infiltration runner Infiltration is minimal. No action needed.
20 2433-0270 2433-0271 WHITECLIFF DR Infiltration dripper Infiltration is minimal. No action needed.
21 2390-0096 2390-0097 WOODLEAF DR Infiltration runner Grout injection.
22 2391-0328 2391-0315 DIAMOND BAR BV Infiltration runner Infiltration is minimal. No action needed.
23 2391-0714 2391-0711 SAND RIDGE RD Infiltration runner Grout injection.
24 2391-0589 2391-0527 DIAMOND BAR BV Infiltration runner Infiltration is minimal. No action needed.
25 2392-0274 2392-0271 EASEMENT Infiltration runner Infiltration is minimal. No action needed.
26 2390-0099 2390-0097 WOODLEAF DR Infiltration runner Grout injection.
27 2349-0119 2349-0118 CASTLE ROCK RD Infiltration dripper Infiltration is minimal. No action needed.
28 2392-0124 2392-0129 FOUNTAIN SPRINGS RD Infiltration dripper Infiltration is minimal. No action needed.
29 2392-0172 2392-0171 ALAMO HEIGHTS DR Infiltration dripper Infiltration is minimal. No action needed.
30 2390-0286 2390-0285 CAMARITAS DR Infiltration dripper Infiltration is minimal. No action needed.
31 2434-SOUT 2434-0116 MISTY CT Infiltration dripper Infiltration is minimal. No action needed.
32 2392-0331 2392-0332 OAK KNOLL DR Infiltration dripper Infiltration is minimal. No action needed.
33 2389-0179 2389-0178 ALLEY Infiltration dripper Infiltration is minimal. No action needed.
34 2390-0096 2390-0095 WOODLEAF DR Infiltration dripper Grout injection.
35 2391-0504 2391-0503 MOUNTAIN LAUREL WY Infiltration dripper Infiltration is minimal. No action needed.
ENCLOSURE 2
INFILTRATION
DIAMOND BAR (Y0TV1415B)
ÍP
ÍP
ÍP
!(
!(
!(!(
!(
!(
!(
!(
!(!(
!(
!(
!(9695
9997
270
285
166179
286
180178 167
271
Diamond Bar
Pomona
Industry
Walnut
Unincorporated
Unincorporated
POMONA FRWY
UP RR
N GRAND AV
GOLDEN SPRINGS DR
ORAN
GE FR
WY
E VALLEY BLVD
GRAND AV
BAKER PK
WY
*****
LA PU
ENTE
RD
S DIAMOND BAR BLVD
TEMPLE AV
FERRERO PK
WY
N DIAM
OND B
AR BL
VD
PALOMINO DR
LEYLAND DR
DECORAH RD
PANTERA DR
N DE
L SOL
LN
VALLEY BLVD
ARMITOS PL
SUNS
ET CR
OSSIN
G RD
GOLD RUSH DR
SNOW CREEK DR
VILLAGE LOOP RD
GARCIA LN
NAN CT
STORRS PL
RIO LOBOS RD
BALLENA DR
MAYO AV
ROCK RIVE
R RD
LOS F
ELIS
DR
GOLDEN PRADOS DR
FLINTLOCK RD
HIGH KNOB RD
SYLVAN GLEN RD
SPUR
TRAI
L AV
OLD BREA CANYON RD
ROCK
RIVE
R DR
LA SIERRA DR
TONNER CANYON RD
OLD RANCH RD
LOS COYOTES DR
RODE
O WY
PHILLIPS RANCH RD
WESTBROOK LN
BOWCREEK DR
N PROSPECTORS RD
LONGVIEW DR
SEAGREEN DR
RED
CLOU
D DR
GUNSMOKE DR
CARPIO DR
CHINO HILLS PKWY
DRY CREEK RD
SR-57 N EXIT 20
S PROSPECTORS RD
STATE ST
W MI
SSIO
N BLV
D
VIEW
LN
JUBILEE LN
GREA
T BEN
D DR
N PLATINA DR
SR-60
E EX
IT 25
SUNDANCE DR
RANCHERIA RD
WILLOWBROOK LN
SR-60 W EXIT 23
E AVD RANCHEROS
FALCON RIDGE DR
SERVICE RD
N EL E
NCINO
DR LOOKING GLASS DR
SANTA CLARA DR
STIRR
UP DR
PINTA
DO D
R
CRESTVIEW DR
SUMMITRIDGE DRFA
RBEN
DR
S PAL
O CE
DRO
DR
MINNEQUA DR
SILVERWOOD LN
BUCKSKIN DR
NORT
H RA
NCH R
D
THUNDER TR
HIGHLAND VALLEY RD
BEAVERHEAD DR
ROLLING RIDGE DR
SR-57 S EXIT 1
8
MILL
VALL
EY RD
HIGHCREST DR
SR-60 E EXIT 28
N PA
LO C
EDRO
DR
HAPPY HOLLOW RD
DARRIN DR
BRON
CO W
Y
CHARMINGDALE RD
COYOTE DR
RANCHO LAGUNA DR
SR-60 W EXIT 26
ARABIAN LN
W POMONA BLVD
AFAMADO LN
FEATHERWOOD DR
OLD WOOD RD
IRONSHOE CT
CANYON VISTA CT
WILLOW CREEK RD
OVERLOOK RIDGE RD
CHINO VALLEY FRWY
S DEL SOL LN
LAVENDER DRGR
EYCL
OUD
LN
BREA
CAN
YON
RD
CHAPARRAL DR
SYCAMORE PK
SR-60 E EXIT 24B
BOWER CASCADE PL
PACE
R CT
COUNTRY WOOD DR
MAGN
OLIA
ST
BIG FA
LLS D
R
BREGANTE DR
GRAND CROSSING PKWY
SAN LEANDRO DR
DEEPSPRINGS DR
DIAMOND RANCH RD
COTTONWOOD W
Y
STAG
ECOAC
H DR
SR-60 W EXIT 24B
WINDING BROOK LN
CHISHOLM TRAIL DR
RUST
IC GL
EN DR
WATERCRESS LN
S PLATINA DR
GUNS
MOKE
AV
ROUNDUP DR
PINTO WY
SAGE CANYON RD
BRID
LE D
R
ROLLING HILLS DR
SHADY PL
OAK C
LIFF D
R
EASTG
ATE DR
TOPSIDE PL
CRYSTAL WATER LN
RANCHO NOVATO DR
COVERED WAGON DR
SKYLINE DR
DEEP
HILL
RD
CL DL MAR
BENFIELD PL
CLAYWOOD DR
RIDGECREST CT
JUNIPER RDG
BARKER DR
SPT CO RR
GEM PL
WYNNE
WOOD D
R
FRANCISCAN PL
SILVER SPRAY DR
MILK
YWAY
PL
TROTTER CT
LAKE
WAY
DR
QUAI
L CRE
EK LN
JASON PL
ROCKBURY DR
CHOLAME DR
MESA RIDGE DR
BENTON CT
STRO
NGBOW DR
KIDD
DR
SERRA D
R
FERN PLBOXCOVE PL
RAINBOW PL
NEWBURY WY
TERRACE LN E
FAURE AV
HILTON HEAD DR TIN DR
HIDDEN VALLEY RD
SPRING ST
LASSO LN
ROCKBRIDGE RD
HOUR
GLAS
S PL
VIA D
PAJ
ARO
STRANGE CREEK DR
TRUEGRIT PL
PALA MESA DR
BLUE RIDGE DR
STEEP CANYON RD
TORITO LN
CAMERON CREST DR
CHANDELLE PL
DOLE
CT
MEADCLIFF PL
SAPPHIRE CANYON RD
CHAP
PARA
L DR
CANYON RIM RD
ROCK BLUFF RD
SR-60 E EXIT 26
BRIAR CREEK RD
PIKES CT
TRABUCO PL
SORREL CT
LA TORRE DR
EL VADO RD
SUNDAN
CE ST
MEADOW FALLS DR
NORTHVIEW
PL
COUN
TRY
RIDG
E RD
COGB
URN L
N
COTTONWOOD LN
GOLDPO
INT PL
BRECKENRIDGE CT
FOXHAVEN PL
GENTLE SPRINGS L
NPA
NHAN
DLE D
R
CROMARTY DR
REDW
OOD VI
EW DR
RITTER ST
BANN
ER RI
DGE R
D
BROOKSIDE CT
TOP CT
TIOGA DR
MONUMENT CANYON DR
PEAK CT
BLACKSMITH CIR
VAYA CON DIOS
MOUNT ST
TRAIL RIDGE CIR
S PINTADO DR
BREN
T CIR
JON
CT
HOSS
ST
LA BONITA RD
JULIAN CT
DARE
CT
PARKVIEW CT
LASPINO LN
MONTURA DR
PORTOLA CT
PARK
SPR
ING
LN
VILLAGE DR
POMMEL C
T
COUGAS CREEK RD
HADDOCK DR
SKY CT
MAVERICK CIR
SETTLER CT
GOLDEN POPPY CT
SAGE
BRUS
H CI
R
MACHLIN CT
WOODSPRING PL
ALDER LN
TIMBE
RLAN
D LN
REXFORD CT
STAR CT
LELA DR
GRAND RIM CT
ACANTHUS CIR
WIND
SONG
CT
TWIN SPRING LNORANGE FRWY*****
CHINO HILLS PKWY
*****
*****
*****
*****
*****
*****
SILVER SPRAY DR
*****
*****
UP RR
*****
*****
TORITO LN
*****
*****
*****
*****
*****
ORANGE FRWY
*****
*****
*****
*****
*****
*****
*****
POMONA FRWY
********
**
*****
*****
*****
*****
*****
*****
*****
*****
**********
*****
*****
*****
***** *****
*****
*****
E-2433E-2390
E-2432
E-2389
E-2347
E-2391 E-2434
E-2388
E-2348
E-2345
E-2346
LegendInfiltration
SMD Manholes!U Other
Manhole Type!( Standard#* DROP
" ± ShallowXW Trap!? SiphonÍP SMD Pump Stations
3Q SMD Treatment PlantsTrunk SewerlinesNon SMD Sanitary Sewers
!( Non SMD Maintained MHSMD Operations MapsCCTV Project Area
October 2019
This map is intended only for internal operations of the Los Angeles County Sewer Maintenance Districts. Los Angles County expressly disclaims any liabilityfor any inaccuracies which may be present in thismap. Data contained in this map is produced in whole or part from the Thomas Bros. Maps® digital database. This map is copyrighted, and reproducedwith permission granted, by Thomas Bros. Maps®.All rights reserved.
0 700 1,400 2,100 2,800
Feet
CITY OFDIAMOND BAR
CCTV PROJECT
Y0TV1415BENCLOSURE 2
INFILTRATION
O
ÍP
ÍP
ÍP
ÍP
ÍPÍP
ÍP
ÍP
ÍP
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(
!(!(
!(
!(
!(
!(
!(
!(270
323
503
124
172
315
129130
118
113
247
644
249
127
115
122
527526
332
244
589
124
123
331274
116
112
271
711
171
129
133
504
296
128
295
134245
714
271
316
593
Diamond Bar
Unincorporated
Industry
WalnutUnincorporated
ORANG
E FRW
Y
GRAND AV
UP RR
DIAMOND BAR BLVD
POMONA FRWY
GOLDEN SPRINGS DR
BREA
CANY
ON RD
LEMO
N AV
PATHFINDER RD
STATE RD
*****
TONNER CANYON RD
RIDGE LINE RD
PIONE
ER R
D
INDIAN CREEK RD
LYCOMING ST
SUMM
ITRIDG
E DR
STEEPLECHASE LN
LONGVIEW DR
BIRDS EYE DR
CAST
LE RO
CK RD
BREA CANYON CTO
DERR
INGE
R LN
WAGON TRAIN LN
BREA RIDGE MTWY
BLAZ
E TR
MAPLE HILL RD
COPLEY DR
CURRIER RD
CAMPFIRE RD
CRESTLINE DR
KIOWA CREST DR
HAWKWOOD RD
PEAC
EFUL
HILL
S RD
NAN CT
SR-60 W EXIT 23
RIO LOBOS RD
WALNUT DR
AMBUSHERS ST
CLEAR CREEK LN
FALLO
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PIONEER MTWY
SANOME MTWY
S DIAM
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MORNING CANYON RD
OAK KNOLL DR
FALCONS VIEW DR
POIN
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R
DUBL
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VIA SORELL
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WINDMILL DR
CALPET DR
RUNNING BRANCH RD
QUAIL RUN DR
HASKELL RD
SUGARPINE PL
TRIGGER LN
SANTAQUIN DR
LEYLAND DR
RIM LN
FALC
ON RIDGE R
D
VALLEY VISTA DR
ANO NUEVO DR
BRIDGE GATE DR
OLD BREA CANYON RD
RANCE DR
SILVER HAWK DR
FERN
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LOW
DR
SR-57
S EX
IT 15
GOLD NUGGET AV
MOUNTAIN LAUREL WY
LINCO
LN AV
RAPIDVIEW DR
WASHINGTON ST
TONNER FIRE RD
PANT
ERA D
R
COUNTRY PARK RD
BUSINESS PKWY
WALNUT LEAF DR
BIRCH HILL DR
MONT
EFIN
O AV
HORIZON LN
FLINTGATE DR
CANYON RIDGE RD
SPRU
CE TR
EE DR
THUNDER TR
NORTHAMPTON ST
CHIRPING SPARROW RD
GERNDAL ST
SAPPHIRE LN
SR-57 S EXIT 14
QUAIL SUMMIT DR
EMER
ALD
LN
IRONBARK DR
ADEL AV
SUNBRIGHT DR
BROOKWOOD DR
CALBOURNE DR
GLENBROOK DR
LARKSTONE DR
BRAIDED MANE DR
LAZY
TRAIL
RD
SR-57 S EXIT 13
MOONLAKE ST
SR-57 N EXIT 15
GERNSIDE DR
GOLD RUN DR
SR-57
N EXIT
14
GLEN
WIC
K AV
FAIRLANCE DR
BAKER PKWY
CROO
KED C
REEK
DR
BELLA PINE DR
SHADOW CANYON DR
CAPEN AV
CAJON PASS TR
BARBI LN
CLIFFBRANCH DR
LAVENDER DR
SARTELL DR
WINTERWOOD LN
LODGE POLE RD
MILL LN
LOST RIVER DR
BENT TWIG LN
SYCAMORE PK
SR-60 E EXIT 24B
KELFIELD DR INDI
AN W
ELL D
R
BENTLEY WY
COLIM
A RD
WATER COURSE DR
SILVER CLOUD DR
COUNTRY VIEW DR
WIND
WOO
D DR
CRYSTAL RIDGE RD
SR-60 E EXIT 23
ROCKY VIEW RD
REYES DR
CHISHOLM TRAIL DR
WILL
OW B
UD D
R
BRID
LE D
R
CREST LN
FOREST CANYON DR
RUSTY SPUR RD
OAK MEADOW LN
EASTG
ATE DR
CRESTVIEW DR
SENE
CA PL
STARDUST DR
DIAMOND KNOLL LN
LAURELRIM DR
RUBY
CT
TIMBERLINE LN
SPANISH LN
SILVE
R FIR
RD
ACFOLD DR
BENFIELD PL
ESTO
RIL D
R
LEANING PINE DR
LOS C
ERRO
S DR
RIDGECREST CT
SHAD
Y RIDG
E LN
JADE CT
LYON
WOO
D AV
RIMFORD PL
ROCKY TRAIL RD
BLENARM DR
WYNNE
WOOD D
R
ELDERTREE DR
CHAPEL HILL DR
LAKEWAY DR
VALEVIEW DRCROFTER DR
JASON PL
WOODBRIDGE CT
DRYANDER DR
BAIN AV
CLEG
HORN
DR
SILVE
RTIP DR
FALCONBURN WY
CEDARDALE DR
FOX GLEN DR
TERRACE LN W
EAGLEFEN DR
HILTON HEAD DR
TIERRA LOMA DR
HARE AV
RANGE CT
TRUEGRIT PL
EARLGATE ST
STEEP CANYON RD
RISING STAR DR
BIND CT
SUMM
ERW
OOD
AV
HERN DR
RIDG
E POI
NT D
R
RUSTIC CT
PAINT BRUSH LN
GREYCREST PL
DEERFIELD PL
LIONS CANYON RD
REAT
A PL
RADC
LAY D
R
LEANNE TER
WHITE STAR DR
SHOTGUN LN
COGB
URN L
N
COTTONWOOD LN
BRECKENRIDGE CT
CROW FOOT LN
MISSIONARY RIDGE RD
ROBINBROOK PL
LOXLEY PL
RANC
HWOO
D PL
LITTLE QUAIL AV
CARRISO RD
KICKING HORSE DR
AMBERWICK PL
SAINT IVES CT
FLINTROCK RD
BLAC
K HA
WK D
R
BANN
ER RI
DGE R
D
MIST
Y CT
COLD
STRE
AM CT
PEAK CT
FLAPJACK DR
KNOLL CT
PINEHILL LN
MORNING SUN AV
HOSS
ST
HILLMAR DR
DARE
CT
BOULDER LN
TOLANI CT
PARK
SPR
ING
LN
TENDERFOOT WY
TRUSS CT
COTT
ER RI
M LN
MEGHAN CT
TAMBO PL
YUCATAN PL
BODE
GA WY
GACEL CTBANN
ING W
Y
GONA CT
UP RR
*****
*****
WINDMILL DR
*****
***** *****
*****
*****
*****
*****
*****
POMONA FRWY
*****
*****
*****
*****
*****
*****
*****
*****
*****
MISSIONARY RIDGE RD
*****
*****
ORANG
E FRW
Y
*****
*****
UP RR
BREA CANYON RD
*****
UP RR
*****
*****
*****
*****
*****
*****
*****
**********
*****
*****
*****
TONNER CANYON RD
E-2392
E-2391
E-2434
E-2348
E-2349
E-2390 E-2433E-2347
E-2393E-2350
LegendInfiltration
SMD Manholes!U Other
Manhole Type!( Standard#* DROP
" ± ShallowXW Trap!? SiphonÍP SMD Pump Stations
3Q SMD Treatment PlantsTrunk SewerlinesNon SMD Sanitary Sewers
!( Non SMD Maintained MHSMD Operations MapsCCTV Project Area
October 2019
This map is intended only for internal operations of the Los Angeles County Sewer Maintenance Districts. Los Angles County expressly disclaims any liabilityfor any inaccuracies which may be present in thismap. Data contained in this map is produced in whole or part from the Thomas Bros. Maps® digital database. This map is copyrighted, and reproducedwith permission granted, by Thomas Bros. Maps®.All rights reserved.
0 850 1,700 2,550 3,400
Feet
CITY OFDIAMOND BAR
CCTV PROJECT
Y0TV1415BENCLOSURE 2
INFILTRATION
O
ENCLOSURE 3:
• Quick Structural Rating Report Priority List
• Quick Structural Rating Map
ITEM NO. START MH END MH STREET OBSERVATION PROPOSED CORRECTIVE ACTION
1 2391-0152 2390-0001 GOLDEN SPRINGS Fracture multiple, Broken Lining
2 2391-0153 2391-0152 GOLDEN SPRINGS DR Fractures, Broken Lining
3 2390-0295 2390-0294 EASEMENT Fractures, Broken Lining
4 2392-0117 2392-0122 EASEMENT Fracture multiple, Broken, Hole Lining
5 2390-0175 2390-0174 PROSPECTORS RD Fracture multiple, Broken Lining
6 2390-0334 2390-0336 EASEMENT Fracture multiple, Broken Lining
7 2348-0588 2348-0569 EASEMENT Fractures, Broken Lining
8 2391-0266 2391-0332 ASPEN GROVE LN Fracture, Broken Lining
9 2391-0659 2391-0658 ALLEY Fracture multiple, Broken Lining
10 2389-0193 2389-0168 PROSPECTORS RD Fractures Lining
11 2391-0001 2391-0002 EASEMENT Fractures, Broken Lining
12 2391-0098 2391-0097 PATHFINDER RD Broken No action needed*
13 2392-0016 2392-0017 STEEPLECHASE LN Fracture multiple No action needed*
14 2434-0099 2434-0098 LONGVIEW DR Broken, Hole Emergency Point Repair (July 2019)
15 2391-0014 2391-0007 GATEWAY CENTER DR Fracture multiple, Broken Point repair
16 2389-0234 2389-0231 RED CLOUD DR Fracture multiple, Broken Point repair
17 2391-0756 2391-0755 EASEMENT Fracture multiple, Broken Lining
18 2391-0805 2391-0804 GALVIN CT Joint offset, Collapsed Emergency Point Repair (July 2019)
19 2390-0373 2390-0375 CLEAR CREEK CYN DR Fracture multiple, Broken Lining
20 2392-0392 2392-PUMP EASEMENT Fracture multiple, Broken Lining
21 2349-0191 2349-0190 FALLOW FIELD DR Broken Lining
22 2349-0123 2349-0124 SILVER CLOUD DR Fracture multiple, Broken Point repair
23 2391-0101 2392-0233 BIRCH HILL DR Fracture multiple, Broken Lining
24 2434-0021 2434-0020 GRAND AV Fracture multiple, Broken Lining
25 2392-0313 2392-0312 EASEMENT Fracture multiple, Broken Emergency Point Repair (July 2019), Lining
26 2389-0252 2389-0253 DRY CREEK RD Fracture multiple, Broken Lining
27 2390-0181 2390-0180 EASEMENT Broken Lining
28 2433-0110 2433-0109 PINTO MESA DR Hole at base of manhole MH base repair
29 2434-0043 2434-0057 EASEMENT Fractures, Broken Lining
30 2390-0057 2390-0056 ROCK RIVER RD Fractures, Broken Lining
31 2349-0005 2392-0302 HAWKWOOD RD Fractures No action needed*
32 2390-0330 2390-0329 HOSS ST Fractures, Broken No action needed*
33 2390-0278 2390-0276 EASEMENT Fracture multiple, Broken Point repair
34 2392-0034 2392-0033 WAGON TRAIN LN Fracture multiple Lining
35 2392-0076 2392-0075 ALAMO HEIGHTS DR Fractures No action needed*
36 2391-0021 2391-0016 BRIDGE GATE DR Joint offset, Broken Point repair
37 2391-0446 2391-0447 BARBERRY DR Fractures No action needed*
38 2391-0062 2391-0064 SANTAQUIN DR Fracture multiple Lining
ENCLOSURE 3QUICK STRUCTURAL RATING REPORT PRIORITY LIST
CITY OF DIAMOND BAR (Y0TV1415B)
Page 1 of 5
ITEM NO. START MH END MH STREET OBSERVATION PROPOSED CORRECTIVE ACTION
ENCLOSURE 3QUICK STRUCTURAL RATING REPORT PRIORITY LIST
CITY OF DIAMOND BAR (Y0TV1415B)
39 2392-0022 2392-0018 EASEMENT Fracture multiple, Broken, Hole at base of manhole Lining, MH base repair
40 2391-0778 2391-0777 EASEMENT Fractures, Broken No action needed*
41 2391-0088 2391-0087 BROKEN ARROW DR Fracture multiple, Broken Lining
42 2390-0344 2390-0343 GOLDEN PRADOS DR Broken Lining
43 2391-0766 2391-0765 MIRAGE LN Fractures, Broken Lining
44 2392-0111 2392-0112 STEEPLECHASE LN Broken Lining
45 2392-0114 2392-0113 EASEMENT Fractures No action needed*
46 2391-0327 2391-0326 ANO NUEVO DR Broken Lining
47 2391-0187 2391-0232 CELLO DR Broken Lining
48 2392-0050 2392-0049 EASEMENT Fractures, Broken Lining
49 2392-0051 2392-0050 EASEMENT Broken, Hole at base of manhole Lining, MH base repair
50 2391-0729 2391-0728 RIDGE LINE RD Fractures, Broken Lining
51 2391-0610 2391-0609 CLEAR CREEK CYN RD Broken Lining
52 2433-0111 2433-0110 PINTO MESA DR Hole at base of manhole MH base repair
53 2433-0057 2433-0058 TORITO LN Hole at base of manhole MH base repair
54 2390-0244 2390-0240 CASA LOMA DR Fractures, Broken No action needed*
55 2389-0186 2389-0185 DEEP HILL RD Joint offset, Broken Point repair
56 2390-0360 2390-0361 CLEAR CREEK CYN DR Hole Emergency Point Repair (September 2019)
57 2391-0388 2391-0387 ESTORIL DR Joint Offset, Broken Point repair
58 2392-0049 2392-0048 EASEMENT Broken Lining
59 2391-0762 2391-0761 EASEMENT Broken Lining
60 2434-0050 2434-0051 EASEMENT Fractures, Broken Lining
61 2391-0287 2391-0286 PRIVATE RD Fractures, Broken No action needed*
62 2391-0575 2391-0576 EASEMENT Joint offset, Broken Lining
63 2390-0296 2390-0297 GOLDRUSH DR Joint offset, Broken Lining
64 2391-0608 2391-0606 CLEAR CREEK CYN DR Fractures, Broken Lining
65 2392-0145 2392-0144 BIRCH HILL DR Hole at base of manhole MH base repair
66 2392-0231 2392-0145 BIRCH HILL DR Hole at base of manhole MH base repair
67 2391-0326 2391-0325 ANO NUEVO DR Hole at base of manhole MH base repair
68 2391-0786 2391-0266 ASPEN GROVE LN Fractures No action needed*
69 2391-0189 2391-0190 INDIAN WELL DR Broken Lining
70 2390-0157 2390-0158 CHISOLM TRAIL DR Broken Point Repair
71 2391-0795 2391-0794 DUBLIN LN Bulge No action needed*
72 2348-0582 2348-0581 BREA CANYON RD Broken Lining
73 2391-0334 2391-0333 RIDGE LINE RD Broken No action needed*
74 2434-0092 2434-0093 LONGVIEW DR Bulge No action needed*
75 2391-0567 2391-0778 EASEMENT Broken Lining
76 2391-0746 2391-0745 EASEMENT Fractures, Broken Lining
Page 2 of 5
ITEM NO. START MH END MH STREET OBSERVATION PROPOSED CORRECTIVE ACTION
ENCLOSURE 3QUICK STRUCTURAL RATING REPORT PRIORITY LIST
CITY OF DIAMOND BAR (Y0TV1415B)
77 2391-0745 2391-0752 EASEMENT Fractures No action needed*
78 2391-0138 2391-0137 ONAWA PL Hole at base of manhole MH base repair
79 2390-0312 2390-0311 STIRRUP DR Broken Lining
80 2391-0666 2391-0665 AMBERWICK PL Broken Lining
81 2433-0206 2433-0205 LISA CT Fracture multiple, Broken Point repair
82 2390-0072 2390-0074 PALO CEDRO DR Fracture multiple, Broken Lining
83 2390-0069 2390-0068 EAGLE NEST DR Fracture multiple, Broken Lining
84 2390-0067 2390-0066 EAGLE NEST DR Fractures, Broken No action needed*
85 2433-0058 2390-0246 TORITO LN Hole at base of manhole MH base repair
86 2389-0148 2389-0149 BIG FALLS DR Fractures, Broken No action needed*
87 2432-0277 2432-0273 CARPIO DR Hole at base of manhole MH base repair
88 2434-0053 2434-0054 EASEMENT Broken Lining
89 2434-0052 2434-0053 EASEMENT Fractures No action needed*
90 2392-0128 2392-0127 EASEMENT Broken No action needed*
91 2390-0357 2390-0360 COGBURN LN Joint offset No action needed*
92 2391-0486 2391-0485 EASEMENT No structural deficiencies No action needed*
93 2391-0007 2391-0006 VALLEY VISTA DR Fractures No action needed*
94 2433-0046 2433-0044 RANCHERIA DR Fracture multiple No action needed*
95 2391-0541 2391-0549 DIAMOND BAR BV Fractures No action needed*
96 2433-0309 2433-0310 LEYLAND DR Joint offset No action needed*
97 2433-0050 2433-0049 CROMARTY DR Fractures No action needed*
98 2389-0249 2389-0248 DRY CREEK RD Fracture multiple Lining
99 2433-0170 2433-0171 CLAYWOOD DR Joint offset No action needed*
100 2433-0343 2433-0309 NEWBURY WY Joint offset No action needed*
101 2389-0180 2389-0179 DRY CREEK Joint offset No action needed*
102 2389-0178 2389-0173 ALLEY Joint offset No action needed*
103 2389-0250 2389-0251 DRY CREEK RD Fracture multiple No action needed*
104 2389-0251 2389-0194 DRY CREEK RD Fracture multiple No action needed*
105 2390-0372 2390-0373 CLEAR CREEK CYN DR Fracture multiple, Joint offset, Broken Lining
106 2349-0094 2349-0096 CROOKED CREEK DR No structural deficiencies No action needed*
107 2391-0250 2391-0327 ANO NUEVO DR Fracture multiple, Broken Lining
108 2434-0093 2434-0099 LONGVIEW DR Fractures No action needed*
109 2391-0726 2391-0733 EASEMENT Fracture multiple, Joint offset, Broken Point repair; Lining
110 2391-0494 2391-0493 EASEMENT No structural deficiencies No action needed*
111 2391-0649 2391-0591 EASEMENT Fracture multiple, Broken Lining
112 2392-0040 2392-0041 EASEMENT Fracture multiple, Broken Lining
113 2434-0097 2434-0098 BLUFF CT Broken Lining
114 2391-0059 2391-0062 SANTAQUIN DR Fracture multiple No action needed*
Page 3 of 5
ITEM NO. START MH END MH STREET OBSERVATION PROPOSED CORRECTIVE ACTION
ENCLOSURE 3QUICK STRUCTURAL RATING REPORT PRIORITY LIST
CITY OF DIAMOND BAR (Y0TV1415B)
115 2433-0038 2390-0240 RANCHERIA RD Hole MH base repair
116 2389-0137 2389-0138 HAPPY HOLLOW RD Fracture multiple, Joint offset No action needed*
117 2390-0107 2390-0105 CAMARITAS DR Fracture multiple No action needed*
118 2433-0051 2433-0050 CROMARTY DR Fractures Lining
119 2434-0106 2434-0105 EASEMENT Fracture multiple No action needed*
120 2391-0570 2391-0573 FEATHER ROCK RD Fracture multiple No action needed*
121 2392-0225 2392-0221 EASEMENT Fracture multiple No action needed*
122 2434-0103 2434-0104 LONGVIEW DR Joint offset No action needed*
123 2390-0179 2390-0178 PRIVATE RD Fracture multiple No action needed*
124 2392-0030 2392-0031 WAGON TRAIN LN Fracture multiple No action needed*
125 2348-0616 2348-0615 LOS CERROS DR Fracture multiple No action needed*
126 2389-0249 2389-0250 DRY CREEK RD No structural deficiencies No action needed*
127 2392-0073 2392-0074 EASEMENT Fracture multiple No action needed*
128 2392-0041 2392-0042 EASEMENT Fracture multiple, Broken No action needed*
129 2390-0200 2390-0201 DIAMOND BAR BV Fractures No action needed*
130 2390-0017 2390-0016 GOLDEN SPRINGS DR Fracture multiple No action needed*
131 2391-0249 2391-0250 ANO NUEVO DR Fracture, Broken No action needed*
132 2390-0374 2390-0373 MEANDERING CREEK DR Fracture multiple, Joint offset No action needed*
133 2391-0262 2391-0261 ROBIN OAKS TE Fracture multiple No action needed*
134 2391-0803 2391-0804 GALVIN CT Bulge No action needed*
135 2390-0235 2390-0234 TORITO LN Fracture multiple No action needed*
136 2390-0353 2390-0354 RIO LOBOS RD Joint offset No action needed*
137 2392-0035 2392-0034 WAGON TRAIN LN Hole at base of manhole MH base repair
138 2434-0212 2434-0211 DIAMOND KNOLL LN Fracture multiple No action needed*
139 2392-0264 2392-0263 EASEMENT Fracture multiple No action needed*
140 2349-0110 2349-0109 COOL SPRINGS DR Fracture multiple No action needed*
141 2391-0472 2391-0471 HICKORY NUT LN Fracture multiple No action needed*
142 2433-0263 2433-0264 LONGVIEW DR No structural deficiencies No action needed*
143 2391-0248 2391-0249 ANO NUEVO DR Fracture multiple No action needed*
144 2391-0251 2391-0252 ACACIA HILL RD Fracture multiple No action needed*
145 2391-0264 2391-0263 ASPEN GROVE LN Fracture multiple No action needed*
146 2391-0479 2391-0480 MOUNTAIN LAUREL WY Broken No action needed*
147 2391-0802 2391-0801 SHANNON LN Bulge No action needed*
148 2349-0183 2349-0121 ORANGE FWY Fracture multiple No action needed*
149 2349-0135 2349-0136 SUNBRIGHT DR Broken No action needed*
150 2392-0140 2392-0139 EASEMENT Fracture multiple No action needed*
151 2392-0214 2392-0215 INDIAN CREEK RD Fracture multiple No action needed*
152 2392-0052 2392-0051 RIM FIRE LN Fracture multiple MH base repair
Page 4 of 5
ITEM NO. START MH END MH STREET OBSERVATION PROPOSED CORRECTIVE ACTION
ENCLOSURE 3QUICK STRUCTURAL RATING REPORT PRIORITY LIST
CITY OF DIAMOND BAR (Y0TV1415B)
153 2392-0082 2392-0084 STEEPLECHASE LN Fracture multiple No action needed*
154 2392-0176 2392-0175 ALAMO HEIGHTS DR Fracture multiple No action needed*
155 2391-0748 2391-0747 EASEMENT Fracture multiple No action needed*
156 2391-0747 2391-0746 EASEMENT Fracture multiple No action needed*
157 2391-0268 2391-0784 TOLANI CT Fracture multiple No action needed*
158 2390-0193 2390-0189 EASEMENT Fracture multiple No action needed*
159 2391-0773 2392-0197 EASEMENT Fracture multiple No action needed*
160 2390-0088 2390-0284 GOLDEN PRADOS DR Broken No action needed*
161 2392-0275 2392-0124 DIAMOND BAR BV Fracture multiple No action needed*
162 2433-0108 2433-0107 BALLENA DR Broken No action needed*
163 2433-0039 2433-0038 RANCHERIA DR Hole at base of manhole MH base repair
164 2390-0244 2390-0243 CASA LOMA DR Hole at base of manhole MH base repair
165 2433-0130 2432-0296 ARMITOS PL Deformed No action needed*
166 2432-0273 2432-0272 CARPIO DR Fracture multiple Lining
167 2392-0258 2392-0122 EASEMENT Fracture multiple No action needed*
168 2390-0194 2390-0195 EASEMENT Fracture multiple Lining
169 2391-0002 2391-TRNK EASEMENT Fractures No action needed*
* Determined not to interfere with the normal operation of the sewer.
Page 5 of 5
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E-2433
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LegendSMD Sanitary Sewers QSR
1: MINOR2: MINOR TO MODERATE3: MODERATE4: SIGNIFICANT5: MOST SIGNIFICANT
SMD Manholes !U Other
Manhole Type!( Standard#* DROP
" ± ShallowXW Trap!? SiphonÍP SMD Pump Stations
3Q SMD Treatment PlantsTrunk SewerlinesNon SMD Sanitary Sewers
!( Non SMD Maintained MHSMD Operations MapsCCTV Project Area
October 2019
This map is intended only for internal operations of the Los Angeles County Sewer Maintenance Districts. Los Angles County expressly disclaims any liabilityfor any inaccuracies which may be present in thismap. Data contained in this map is produced in whole or part from the Thomas Bros. Maps® digital database. This map is copyrighted, and reproducedwith permission granted, by Thomas Bros. Maps®.All rights reserved.
0 720 1,440 2,160 2,880
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CITY OFDIAMOND BAR
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Diamond Bar
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E-2392
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LegendSMD Sanitary Sewers QSR
1: MINOR2: MINOR TO MODERATE3: MODERATE4: SIGNIFICANT5: MOST SIGNIFICANT
SMD Manholes !U Other
Manhole Type!( Standard#* DROP
" ± ShallowXW Trap!? SiphonÍP SMD Pump Stations
3Q SMD Treatment PlantsTrunk SewerlinesNon SMD Sanitary Sewers
!( Non SMD Maintained MHSMD Operations MapsCCTV Project Area
October 2019
This map is intended only for internal operations of the Los Angeles County Sewer Maintenance Districts. Los Angles County expressly disclaims any liabilityfor any inaccuracies which may be present in thismap. Data contained in this map is produced in whole or part from the Thomas Bros. Maps® digital database. This map is copyrighted, and reproducedwith permission granted, by Thomas Bros. Maps®.All rights reserved.
0 720 1,440 2,160 2,880
Feet
CITY OFDIAMOND BAR
CCTV PROJECT
Y0TV1415BENCLOSURE 2
QUICK STRUCTURAL
RATING(QSR)
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