GAIL FARBER, Director March 10, 2009 COUNTY OF LOS ANGELES DEPARTMENT OF PUBLIC WORKS "To Enrich Lives Through Effective and Caring Service" 900 SOUTH FREMONT AVENUE ALHAMBRA, CALIFORNIA 91803-1331 Telephone: (626) 458-5100 http://dpw.lacounty.gov ADDRESS ALL CORRESPONDENCE TO: P.O. BOX 1460 ALHAMBRA, CALIFORNIA 91802-1460 IN REPLY PLEASE REFER TO FILE: SM-1 Mr. Robert Yalda Director of Public Works/City Engineer City of Calabasas 100 Civic Center Way Calabasas, CA 91302 Attention Mr. Alex Farassati Dear Mr. Yalda: CONSOLIDATED SEWER MAINTENANCE DISTRICT CONDITION ASSESSMENT PROGRAM REPORT PROJECT YOTV0506F This letter is to inform you that as part of the Sewer Condition Assessment Program, the County of Los Angeles Department of Public Works Consolidated Sewer Maintenance District has completed the closed-circuit television inspection of 34,145 feet or approximately 9.2 percent of the City of Calabasas' sewer system. The enclosed report outlines the structural and maintenance ratings of your system based on the Pipeline Assessment and Certification Program's rating methodology. Included in the report are the following: • Condition Assessment Report • Project Overview Map (Enclosure 1) • Quick Maintenance Rating Report Priority List and Quick Maintenance Rating Map (Enclosure 2) • Quick Structural Rating Report Priority List and Quick Infrastructure Rating Map (Enclosure 3) • Infrastructure Inspection Reports for Grades 4 and 5 (Enclosure 4)
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COUNTY OF LOS ANGELES ASSESSMENT REPORT COUNTY OF LOS ANGELES DEPARTMENT OF PUBLIC WORKS CONSOLIDATED SEWER MAINTENANCE DISTRICT PROJECT NAME: YOTV0506F PROJECT MGR: Fernando Villaluna
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GAIL FARBER, Director
March 10, 2009
COUNTY OF LOS ANGELES
DEPARTMENT OF PUBLIC WORKS"To Enrich Lives Through Effective and Caring Service"
900 SOUTH FREMONT AVENUEALHAMBRA, CALIFORNIA 91803-1331
Telephone: (626) 458-5100http://dpw.lacounty.gov ADDRESS ALL CORRESPONDENCE TO:
P.O. BOX 1460ALHAMBRA, CALIFORNIA 91802-1460
IN REPLY PLEASE
REFER TO FILE: SM-1
Mr. Robert YaldaDirector of Public Works/City EngineerCity of Calabasas100 Civic Center WayCalabasas, CA 91302
Attention Mr. Alex Farassati
Dear Mr. Yalda:
CONSOLIDATED SEWER MAINTENANCE DISTRICTCONDITION ASSESSMENT PROGRAM REPORTPROJECT YOTV0506F
This letter is to inform you that as part of the Sewer Condition Assessment Program, theCounty of Los Angeles Department of Public Works Consolidated Sewer MaintenanceDistrict has completed the closed-circuit television inspection of 34,145 feet orapproximately 9.2 percent of the City of Calabasas' sewer system.
The enclosed report outlines the structural and maintenance ratings of your systembased on the Pipeline Assessment and Certification Program's rating methodology.Included in the report are the following:
• Condition Assessment Report
• Project Overview Map (Enclosure 1)
• Quick Maintenance Rating Report Priority List and Quick Maintenance RatingMap (Enclosure 2)
• Quick Structural Rating Report Priority List and Quick Infrastructure Rating Map(Enclosure 3)
• Infrastructure Inspection Reports for Grades 4 and 5 (Enclosure 4)
Mr. Robert YaldaMarch 10, 2009Page 2
The Condition Assessment Report provides details regarding the maintenance andstructural condition of your City's sewer mainlines. This information can be included inyour agency's Sewer System Management Plan as a reference in Chapter 8.0, SystemEvaluation and Capacity Assurance Plan. The segments with critical maintenanceissues have been cleaned and, in some instances, have been incorporated into ourroutine cleaning schedule. In addition, the segments with severe structural defectshave either been repaired or will be scheduled for repair as part of the ongoingAccumulative Capital Outlay Project.
If you have any questions regarding this report or the Condition Assessment Program,please contact Mr. Robert Swartz at (626) 300-3367, Monday through Friday, 8 a.m. to4 p.m., or at rswartz dpw.lacounty.gov .
Very truly yours,
GAIL FARBERDirector of Public Works
MANU L DEL REALAssistant Deputy DirectorSewer Maintenance Division
As part of the Sewer Condition Assessment Program, the County of Los AngelesDepartment of Public Works Consolidated Sewer Maintenance District has completedthe closed-circuit television inspection of 34,145 feet or approximately 9.2 percent of theCity of Calabasas' sewer system.
The Sewer Condition Assessment Program utilizes the Pipeline Assessment andCertification Program (PACP) Quick Rating methodology to rank the structural andmaintenance ratings of your system based on industry standards.
PROJECT AREA AND DESCRIPTION
Project YOTV0506F included sewer lines located in Unincorporated County ofLos Angeles area and the Cities of Agoura Hills, Calabasas, Hidden Hills, Malibu,Rancho Palos Verdes, and Westlake Village. Enclosed for your reference is anoverview map of the project area within your City (Enclosure 1).
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 of 5indicates that a pipe segment requires immediate attention. A detailed breakdown ofthe five possible defect grades is as follows:
Grade Description Estimate time to Failure
1: EXCELLENT: Minor Defects. Unlikely in the foreseeable future
2: GOOD: Defects that have not begun to deteriorate. 20 years or more
3: FAIR: Moderate defects that will continue todeteriorate. 1 0 to 20 years
4:POOR: Severe defects that will become grade 5defects within the foreseeable future. 5 to 10 years
Has failed or will likely fail within thenext 5 years
Page 1 of 3
MAINTENANCE REPORT
Our inspection revealed that approximately 87.6 percent of the system televised wasfree of blockages or restrictions that would impede sewer flows. However, theremaining 12.4 percent of the inspected pipe segments within the City of Calabasas hada PACP maintenance grade of 4 or 5 as indicated in the Quick Maintenance RatingTable shown below. These segments have been incorporated into our routine cleaningschedule with corrective action taken as noted on the Quick Maintenance Rating ReportPriority List (Enclosure 2). Also included is a color-coded map showing the quickmaintenance rating for each pipe segment.
Our inspection revealed that approximately 96.8 percent of the inspected pipe segmentswithin the City of Calabasas were free of severe structural defects. However, theremaining 3.2 percent of the inspected pipe segments had a PACP structural grade of4 or 5 as indicated in the Quick Structural Rating Table shown below. These segmentshave been placed on a priority list based on the severity and the need for action. ForItems 1 through 6 in the Quick Structural Rating Report Priority List (Enclosure 3), whichrequire a corrective action, the proposed corrective method will be scheduled in the next24 months as part of the ongoing Accumulative Capital Outlay Project. A color-codedmap showing the Quick Structural Rating for each pipe segment is located inEnclosure 3. Copies of the actual inspection reports for these 6 segments are includedin Enclosure 4.
The Sewer Condition Assessment Program will be performing future closed-circuittelevision inspection of the remaining sewer lines within the City of Calabasas accordingto the following schedule:
Supervisorial District 3 & 4City of Agoura Hills, Calabasas,
Hidden Hills, Malibu, Rancho Palos Verdes, Westlake Village &
County Unincorporated
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.
O0 320 640 960 1,280
Feet
Y0TV0506F
PROJECT OVERVIEW MAP
ENCLOSURE 2:
• Quick Maintenance Rating Report
Priority List • Quick Maintenance Rating Map
Item No. QMR Start MH End MH Street Observation Corrective Action Taken
10/31/08)8 412F 1191-0264 1191-0263 PARK ENSENADA Deposits: End MH 1191-0263 Clean MH 1191-0263 (completed 2/18/09)9 412A 1191-0194 1191-0195 PARK MIRASOL Camera underwater Hydrojet (completed 10/31/08)
10 4127 1191-0226 1191-0225 EASEMENT by PARK CORDERO Roots: End MH 1191-0225 Rodder; clean MH1191-0225 (completed 10/21/08)
11 4125 1191-0163 1191-0162 PARK CAPRI Roots Hydrojet (completed 10/30/08)12 4124 1191-0252 1191-0159 EASEMENT by PARK CAPRI
and PARK BIENNACorrosion Hydrojet (completed 10/30/08)
13 4123 1192-0274 1192-0272 PARK MONTE Grease Hydrojet (completed 01/13/09)14 4123 1191-0259 1191-0256 PARK SIENNA Roots Rodder (completed 10/30/08)15 4123 1191-0159 1191-0160 EASEMENT by PARK CAPRI
and PARK GRANADACamera underwater Hydrojet (completed 10/30/08)
16 4123 1191-0211 1191-0210 PARK OLIVO RD Roots; grease Hydrojet (completed 01/13/09)17 4122 1191-0162 1191-0161 PARK CAPRI Roots; grease Hydrojet (completed 01/13/09)18 4121 1191-0225 1191-0223 EASEMENT by PARK CORDERO
and PARK CONTESSARoots: Start MH 1191-0225 Rodder; clean MH 1191-0225 (completed
10/21/08)19 4114 1191-0236 1191-0233 EASEMENT between PARK
SERENA and PARK ALLEGRARoots: End MH 1191-0233 Clean MH 1191-0233 (completed 2/18/09)
20 4100 1191-0233 1191-0234 EASEMENT between PARKSERENA and PARK ALLEGRA
Roots Rodder (completed 10/21/08)
Item No. QMR Start MH End MH Street Observation
1 4126 1191-0204 1191-0205 PARK SORRENTO Roots in lateral
ENCLOSURE 2QUICK MAINTENANCE RATING REPORT PRIORITY LIST
as of 08/04/06
The following line segment received a Quick Maintenance Rating of above 4000 due to the observation of Root Ball or Deposit inside the lateral connection. CSMD does not maintain lateral lines: it is the responsibility of the parcel owner to maintain their respective lateral lines to facilitate the flow of wastewater from their property to the mainline. Therefore, these lines were not included on the Prioirty List above identified with maintenance deficiencies in need of immediate attention by CSMD.
CITY OF CALABASAS (Y0TV0506F)
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C A L A B A S A SC A L A B A S A S
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LegendSMD Sanitary SewersQMR
1: EXCELLENT
2: GOOD
3: FAIR
4: POOR
5: IMMEDIATE ATTENTION
SMD ManholesU Other
MH Type!( Standard
!? Siphon
XW Trap
" ‚ Shallow
#* Drop
ÍP SMD Pump Satations
+C SMD Treatment Plants
Maintained by Others:Trunk Sewerlines
Non SMD Sanitary Sewers
!( Trunk Mh
!( Non SMD Maintained MH
SMD Operations Maps
CCTV Project Area
CCTV PROJECT
SEPTEMBER 20080506F_11x17_QMR_CAL.mdx
Supervisorial District 3CALABASAS
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.
O0 290 580 870 1,160
Feet
Y0TV0506F
ENCLOSURE 2
QUICKMAINTENANCE
RATING(QMR)
ENCLOSURE 3:
• Quick Structural Rating Report Priority List
• Quick Structural Rating Map
Item No. QSR Start MH End MH Street Observation: Location Proposed Corrective Method Length of
Repair (FT)1 5141 1192-0063 1192-0064 PARK HELENA Hole with soil visible and fractures: 176' Structural integrity intact. No action needed. -2 5141 1192-0091 1192-0090 PARK SIENNA Hole with soil visible and fractures: 163' Structural integrity intact. No action needed. -3 5141 1191-0201 1191-0202 EASEMENT by PARK
SORRENTO and PARK MIRASOL
Hole with soil visible and fractures: 225' Structural integrity intact. No action needed. -
4 5132 1191-0333 1191-0332 PARK MONTE Hole with void visible: 177'; multiple cracks Lining: MH to MH 1875 5121 1191-0232 1191-0233 EASEMENT by PARK
ALLEGRAHole and fractures: 18' Lining: MH to MH 201
6 4131 1191-0250 1191-0248 PARK CORONA Fractures and cracks Structural integrity intact. No action needed. -
ENCLOSURE 3QUICK STRUCTURAL RATING REPORT PRIORITY LIST
CITY OF CALABASAS (Y0TV0506F)as of 08/04/06
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C A L A B A S A SC A L A B A S A S
C OC OL O S A N G E L E SL O S A N G E L E S
H I D D E N H I L L SH I D D E N H I L L S
CALABASAS RD
VENTURA FRWY
PARK SORRENTO
PARK GRANADA
*****
MULHO
LLAND DR
PARKWAY CALABASAS
PARK SIENNA
DE
SER
ET
DR
VALMAR
RD
*****
PARK HELE
NA
PARK ALISAL
LONG VALLEY RD
HEAVEN
AVABBEYVILLE AV
PARK
VERDI
BIGLER ST
GR
EER
RD
PARK CASINO
PAR
K BE
LMO
NTE
PARK ORA
ALM
IDO
R A
V
PARK AR
RO
YO
AVENUE SAN LUIS
OAK
FIEL
D R
D
DE
GO
VIA
AV
VICAS
A DR
PARK CAPRI
CALABASH ST
GAINFORD STVENTURA BLVD
PAR
K M
IRAS
OL
PARK HACIENDA
HEISS ST
PARK
VIC
ENTE
PARK RIVIERA
OLD
SC
AND
IA L
N
PAR
K EN
SEN
ADA
PAR
K P
ALO
MA
PAR
K FO
RTU
NA
DO
UG
LAS
FIR
RD EUGENE ST
LEONORA DR
PARK
MAR
BELL
A
SPIELBURG DR
PARK
CO
RONA
OLD
TO
PAN
GA
CAN
YON
RD
PARK ROSSO
LITA PL
CR
AFT
SMA
N R
D
PARK HERMOSA
PARK ATHENA
PARK BLU
LIAHONA PL
VALLEY CIRCLE BLVD
HOPPER CT
LARKWOOD AV
PARK ANTIGUA
PARK CONTESSA
PARK SEVILLA
LA MA
SIN
A C
T
KIN
GFI
SHE
R R
D
PARK ANDORRA
PARK AURORA
PARK CENTRE
TEMM
A CT
PARK TERRA
PARK ALLEG
RA
PAR
K MILAN
O
PAR
K C
OR
DER
O
PARK PINTA
PAR
K M
ON
ACO
PAR
K M
ON
TE N
OR
D
PARK OLIVO
BRETTON PL
PARK MADRID
PARK
LIV
ORN
O
PARK SERENA
PAR
K V
ER
ON
A
PARK JACARANDA
PARK ADELFA
PARK ESTE
ALBADA CT
PARK BLANCO
PARK ESPERANZA
LAR
KW
OO
D A
V
*****
*****
VENTURA FRWY
*****
****
*
*****
*****
*****
*****
*****
*****
*****
VENTURA BLVD
*****
MULHOLLAND DR
*****
DESERET DR
*****
****
*
*****
*****
OLD SCANDIA LN
S-1191
S-1192
43
6
5
2
81
88
80
74
91
87
90 71
85
72
76
86
78
79
89
73
75
91
99
57
96
73
61
59
36
4239
51
84
62
4977
93
74
45
55
43
44
72
48
64
7980
55
47
78
65
41
88
97
76
92
54
8189
90
68
82
67
83
86
92
93
63
28
52
56
53
50
66
71
94
85
95
60
52
40
94
98
58
70
69
75
32
33
53
35
54
4634
353
334
352
356
338339
324
336
337
298
299
354355
335
105
242
229225
289
171
311
174
205
208
303
274276
207
235
154
219
234
200
152
190
125
295
199
311259
142
290
268
268
201341
208
228
320
209
217
273
122
120
200214
236
211
179
285
210
282
308
106
206
272
288
241
318 332
112
192
304
221
118
274
153
226
220
319
205
166
217
246
104
239
260
170
273
263
148
193
202
143
151
256
297
266
213
199
158
165
249
203
218
162
182
204
197
267
119
348
271
105
139
343
315
346
189
283
215
173
183
195
278
291
107
244
261
258
230
350
347
172
149
115
254
222
187
156
195
167
286
185
271253
185
345
174
262
307
184
348
150
194
132
204
138
265
196
197
342
302
243
212
178
234
240309
196
316
210
173
247
233
296
180
224
176
250
113
344
333
349
248
277
101
141
172
279
140
235
312
203
317
169 181
275
236
100
264
257
193
124
114
215
133 103
168
117
306
351
301
281
198
111
121
212
213
321
272
159
164
206
186
163
340
216
123
147
214
238
227
116
202
177
310
287
305
194
216
211
252
102
237
201
198
313
160
269
245
280
223
267
251
209
231
314
232
270
157
255
188
159
269
155
282
175
260
281
161
1
8284
7783300
S-1231
87
104323322 103
294
284
207
347 191
270
LegendSMD Sanitary SewersQSR
1: EXCELLENT
2: GOOD
3: FAIR
4: POOR
5: IMMEDIATE ATTENTION
SMD ManholesU Other
MH Type!( Standard
!? Siphon
XW Trap
" ‚ Shallow
#* Drop
ÍP SMD Pump Satations
+C SMD Treatment Plants
Maintained by Others:Trunk Sewerlines
Non SMD Sanitary Sewers
!( Trunk Mh
!( Non SMD Maintained MH
SMD Operations Maps
CCTV Project Area
CCTV PROJECT
SEPTEMBER 20080506F_11x17_QSR_CAL.mdx
Supervisorial District 3CALABASAS
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.
O0 290 580 870 1,160
Feet
Y0TV0506F
ENCLOSURE 3
QUICKSTRUCTURAL
RATING(QSR)
ENCLOSURE 4:
Infrastructure Inspection Reports for Grades 4 and 5
fowiatoNational Plant Services, INC.
1461 Harbor AvenueLong Beach, CA 90813-2741
Tel: (800) 445-3614, Fax: (562) 495-1528
Inspection reportP #
YOTV0506FWeather:
1 DrySurveyed By
Gilbert Contrerassection number:
839PSR:31188
Survey Customer:LACDPW
System Owner:CAL
Clean Date Pre-Cleaned:J Jetting
Map Grid #.1192
Date:20060705
Total Pipe Length299.00
Street: PARK HELENA
City: CAL
Location Code: C Light Highway
Flow Control: N Not Controlled
Year Renewed
Tape/Media #: G002
Start MH: 1192-0063
End MH: 1192-0064
Total length surveyed 238 ft
Purpose: F Routine Assessment Dia/Height: C Circular 8/8Material: VCP Vitrified Clay Pipe Pipe Joint length: 5.0Use SS SanitaryLining:
Drain. Area: 1192 Category:
Comment:
Location details: Park Ensenada
1:600 position observation MPEG photo grade
1 0.00 Manhole, within 8 inch: NO, Remarks: 1192-0063 00:00:58 265 0
8.10 Deposits Attached Grease, from 7 to 5 o'clock, 5 %, within 8 inch: NO 00:02:13 266
8.10 Water Level, 15%, within 8 inch: NO 00:01:57 267
55.80 General Observation, within 8 inch: NO. Remarks: joint length 5' 0004:13 268
78.20 Deposits Attached Grease, from 7 to 5 o'clock, 5 %, within 8 inch: NO 00:05:16 269
131.50 Deposits Attached Grease, from 7 to 5 o'clock, 5%, within 8 inch: NO 0007:14 270
146.60 Alignment Left, within 8 inch: NO 00:08:04 271
161.90 Alignment Left, within 8 inch: NO 00:08:49 272
177.30 Fracture Multiple, from 7 to 5 o'clock, within 8 inch: YES 00:10:08 273
177.90 Hole Soil Visible, from 9 to 10 o'clock, within 8 inch: NO 00:10:48 274
Tap Break-in Active, at 3 o'clock, 4", within 8 inch: NO 00:11:41 275
Deposits Attached Grease, from 7 to 5 o'clock, 5%, within 8 inch NO 0012:10 276
IL\185.30
187.40
227.80 Alignment Left, within 8 inch: NO 00:13:50 277
1 92-00" 238.00 Manhole, within 8 inch: NO, Remarks: 1192-0064 00:14:40 278