COUNTY OF LOS ANGELES - ladpw.orgladpw.org/smd/cctv/city/Commerce/Commerce... · completed the closed-circuit television (CCTV) inspection of 54,684 feet or 20.9 percent of the City

GAIL FARBER, Director

May 28, 2014

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

Ms. Maryam BabakiDirector of Public Works and Development ServicesCity of Commerce2535 Commerce WayCommerce, CA 90040

Attention Mr. Nasser Shoushtarian

Dear Ms. Babaki:

CONSOLIDATED SEWER MAINTENANCE DISTRICTCONDITION ASSESSMENT PROGRAM REPORTPROJECT NO. YOTV1011A

IN REPLY PLEASE

REFER TO FILE: SM—~

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 54,684 feet or20.9 percent of the City of Commerce's sewer system.

The enclosed report outlines the structural and maintenance ratings of your systembased on the Pipeline Assessment and Certification Program's (PACP Version 6.0.1)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)

• High Water Levels List and Map (Enclosure 2)

• Quick Structural Rating Report Priority List, Quick Structural Rating Map, andLining and Point Repair Projects Map (Enclosure 3)

• Infrastructure Inspection Reports for Grades 4 and 5 (Enclosure 4)

Ms. Maryam BabakiMay 28, 2014Page 2

The Condition Assessment Report provides details regarding the maintenance andstructural condition of your City's sewer mainlines. This information should be includedin your agency's Sewer System Management Plan as a reference in Chapter 8.0System Evaluation and Capacity Assurance Plan. The segments with criticalmaintenance issues have been cleaned and, where appropriate, incorporated into ourenhanced maintenance schedule for continued monitoring. In addition, the segmentswith severe structural defects have either been repaired or will be scheduled for repairas part of our ongoing Accumulative Capital Outlay Project.

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 [email protected].

Very truly yours,

GAIL FARBERDirector of Public Works

~~~G~G~MASSOOD EFTEKHARIDeputy Director

EL:sb~~'' H:\SMHOME\GYoung\Memos.Letters~2449.doc

Enc.

Page 1 of 4

CONDITION ASSESSMENT REPORTCOUNTY OF LOS ANGELES DEPARTMENT OF PUBLIC WORKS

CONSOLIDATED SEWER MAINTENANCE DISTRICT

PROJECT NAME: Y0TV1011A PROJECT MGR: Eric LiuPROJECT DATE: 09/01/2011 CONTACT NO: (626) 300-3369SUP. DISTRICT(s): 1 MAP PAGE(S): 1861, 1862, 1915, 1916Report By: Eric Liu Report Date: 11/27/2013

INTRODUCTION

As part of our Sewer Condition Assessment Program, the County of Los AngelesDepartment of Public Works Consolidated Sewer Maintenance District (District) hascompleted the closed-circuit television (CCTV) inspection of 54,684 feet or20.9 percent of the City of Commerce’s (City) sewer system as part of this conditionassessment report.

To date, the District has completed the CCTV inspection of 171,954 feet or 65.7 percentof the City’s sewer system. In addition to this report, one previous conditionassessment report dated January 5, 2012, was provided to your City for information.A copy of this report can also be found at the District’s website athttp://dpw.lacounty.gov/smd/cctv/city/.

The remaining 34.3 percent of the City’s sewer system is part of the District’s currentCCTV inspection project.

The Sewer Condition Assessment Program utilizes the Pipeline Assessment andCertification Program (PACP Version 6.0.1) quick rating methodology to rank thestructural and maintenance condition of your system based on industry standards.

PROJECT AREA AND DESCRIPTION

Project No. Y0TV1011A included sewer lines located in the unincorporated County ofLos Angeles and the Cities of Commerce, Diamond Bar, Glendora, Irwindale, andLa Habra Heights. Enclosed for your reference is an overview map of the project areawithin 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 detailed breakdownof the five possible 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 81.2 percent of the system televised wasfree of blockages or restrictions that would impede sewer flows. However, theremaining 18.8 percent of the inspected pipe segments within the City 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 enhancedcleaning schedule with corrective action taken as noted on the Quick MaintenanceRating Report Priority List (Enclosure 2).

In addition, a color-coded map showing the quick maintenance rating for each pipesegment is provided in Enclosure 2.

QUICK MAINTENANCE RATING TABLE

DEFECTGRADE

PIPELENGTH

(FT)

PERCENT TOTALINSPECTED PIPE

LENGTHNO. SEGMENTS

1: Minor 0 0.0 02: Minor to Moderate 44,406 81.2 1893: Moderate 4,885 8.9 214: Significant 5,393 9.9 225: Most Significant 0 0.0 0

TOTAL 54,684 100.0 232

Page 3 of 4

Lateral Notices

Also included on the Quick Maintenance Rating Report Priority List are deficienciesdiscovered inside the private lateral connections to the mainline. The District does notmaintain lateral lines. It is the responsibility of the property owner to maintain theirrespective lateral lines to facilitate the flow of wastewater from their property to themainline. For this project, 26 notices will be sent to property owners in yourCity notifying them of the maintenance issues discovered in their lateral. A samplelateral notice letter is provided in Enclosure 2 for your reference.

High Water Levels

Our inspection revealed that approximately 91.9 percent of the system televised hasadequate capacity. However, the remaining 0.9 percent of the inspected segmentsincluded deficiencies associated with high water levels. Capacity of the sewer pipe canbe determined by analyzing several PACP codes, including Water Level, Water Mark,and miscellaneous remarks, which indicated the camera was underwater or there weresags in the line. A sewer pipe can be considered at capacity when 50 percent ofthe diameter of sewer pipe is full of water. However, there are particular conditions inwhich the water level or water mark has reached 50 percent or greater due toheavy flows in adjoining pipes, a temporary stoppage due to debris in the sewer lines,or a sag in the line. Therefore, additional review of the pipe segments with suchhigh water level concerns was conducted to determine capacity issues, if any.The sewer segments associated with high water levels appear to be the result of sags inthe line, which do not impact its capacity. The pipe segments have been cleaned toremove any debris in the line.

All sewer pipes where Water Level, Water Mark, and miscellaneous remarks of cameraunderwater or sags in the line are at or above 35 percent capacity have been outlinedand analyzed on the High Water Level Table in Enclosure 2. The nature of these highwater level conditions is also summarized on this table.

A map showing the sewer lines with high water levels is provided in Enclosure 2.

Infiltration

Our inspection revealed that infiltration was not detected in any pipe segment in yourCity’s system.

Page 4 of 4

STRUCTURAL REPORT

Our inspection revealed that approximately 95.1 percent of the inspected pipe segmentswithin the City were free of severe structural defects. The remaining 4.9 percent of theinspected pipe segments had a PACP structural grade of 4 and 5 as indicated in theQuick Structural Rating Table shown below. These segments have been placed on apriority list based on the severity and the need for action. For Items 1 through 9 in theQuick Structural Rating Report Priority List (Enclosure 3), which require a correctiveaction, the proposed repair or replacement will be scheduled in the next 24 months aspart of our ongoing Accumulative Capital Outlay Program.

A color-coded map showing the Quick Structural Rating for each pipe segment islocated in Enclosure 3. Copies of the actual inspection report for these 9 segments areincluded in Enclosure 4.

Moreover, an additional 23 segments of sewers in this area are presently concretepipes, which require rehabilitation through the installation of a pipe liner. Over time,concrete readily deteriorates in the presence of hydrogen sulfide gases produced insewers. The installation of a plastic pipe liner will restore structural stability for thesesewers for another 50 years. A map showing the sewer lines that need lining and pointrepair is also provided in Enclosure 3.

QUICK STRUCTURAL RATING TABLE

DEFECTGRADE

PIPELENGTH

(FT)

PERCENT TOTALINSPECTED PIPE

LENGTHNO. SEGMENTS

1: Minor 32,177 58.8 1422: Minor to Moderate 6,335 11.6 263: Moderate 13,530 24.7 554: Significant 1,573 2.9 65: Most Significant 1,069 2.0 3

TOTAL 54,684 100.0 232

FUTURE PROJECTS

The Sewer Condition Assessment Program will be performing future CCTV inspectionof the remaining sewer lines within the City according to the following schedule:

FISCAL YEARPROJECT

NAMELENGTH

(FT)PERCENTAGE

OF SYSTEMSTATUS

2008-09 Y0TV0809B 117,270 44.8 COMPLETED

2010-11 Y0TV1011A 54,684 20.9 COMPLETED

2013-14 Y0TV1314B2 90,014 34.3 IN PROGRESS

TOTAL 261,968 100.0

ENCLOSURE 1:

Project Overview Map

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C-1861C-1915

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Legend

SMD Sanitary Sewers

SMD Manholes

!U Other

Manhole Type

!( Standard

#* DROP

" ± Shallow

XW Trap

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ÍP SMD Pump Stations

3Q SMD Treatment Plants

Maintained by Others:

Trunk Sewerlines

Non SMD Sanitary Sewers

!( Non SMD Maintained MH

SMD Operations Maps

CCTV PROJECT AREA

OVERVIEW MAP

NOVEMBER 2013

0 550 1,100 1,650 2,200

Feet

This map is intended only for internal operations of theLos 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 inwhole or part from the Thomas Bros. Maps® digitaldatabase. This map is copyrighted, and reproducedwith permission granted, by Thomas Bros. Maps®.All rights reserved.

O

CITY

OF

COMMERCE

CCTV PROJECT

Y0TV1011A

ENCLOSURE 2:

• Quick Maintenance Rating Report

Priority List • Quick Maintenance Rating Map • High Water Levels • High Water Levels Map • Sample Lateral Notice Letter

Item

No.QMR Start MH End MH Street Observation Corrective Action Taken

1 443D 1915-0707 1915-0720 COUTS AV Root ball lateral; roots Rodder (03/19/13) Lateral notice will be sent to property owner.

2 443C 1915-0730 1915-0731 COWLIN AV Root ball lateral; roots Rodder (03/19/13) Lateral notice will be sent to property owner.

3 433B 1915-0730 1915-0729 GAFFORD ST Grease; root ball lateral; roots Rodder (03/19/13) Lateral notice will be sent to property owner.

4 423B 1861-0443 1861-0442 RANSOM ST Root ball lateral; roots Rodder (03/20/13) Lateral notice will be sent to property owner.

5 4621 1861-0405 1861-0406 EASEMENT Debris; deposits settled Hydro (04/17/13)

6 4531 1861-0179 1861-0183 DUNHAM ST Camera under water Hydro (03/20/13)

7 4334 1915-0720 1915-0719 QUIGLEY ST Root ball lateral; roots Rodder (03/19/13) Lateral notice will be sent to property owner.

8 4332 1916-0058 1915-0713 COWLIN AV Root ball lateral Later notice will be sent to property owner.

9 4321 1861-0446 1861-0448 LEONIS ST Root ball lateral Later notice will be sent to property owner.

10 4234 1915-0728 1915-0729 GAFFORD ST Root ball lateral; roots Rodder (03/19/13) Lateral notice will be sent to property owner.

11 4233 1915-0718 1915-0717 JARDINE ST Root ball lateral; roots Hydro (03/19/13) Lateral notice will be sent to property owner.

12 4232 1915-0732 1915-0733 FAIR ST Root ball lateral; gravel; debris; deposits settled Rodder (03/19/13) Lateral notice will be sent to property owner.

13 4231 1915-0711 1915-0716 COWLIN AV Root ball lateral; roots Rodder (03/19/13) Lateral notice will be sent to property owner.

14 4222 1915-0743 1915-0742 ALLEY Root ball lateral Later notice will be sent to property owner.

15 4221 1915-0711 1915-0710 KINSIE ST Root ball lateral; roots Rodder (03/19/13) Lateral notice will be sent to property owner.

16 4134 1915-0723 1915-0724 HARBOR ST Roots Rodder (03/19/13)

17 4133 1861-0179 1861-0180 SYDNEY DR Root ball lateral; roots Rodder (03/20/13) Lateral notice will be sent to property owner.

18 4132 1915-0705 1915-0704 ASTOR AV Root ball lateral; roots Rodder (03/19/13) Lateral notice will be sent to property owner.

19 4131 1861-0441 1861-0442 RANSOM ST Root ball lateral Later notice will be sent to property owner.

20 4121 1861-0173 1861-0155 DUNCAN AV Debris; deposits Hydro (03/20/13)

21 4121 1861-0461 1861-0460 RANSOM ST Root ball lateral Later notice will be sent to property owner.

22 4121 1915-0724 1915-0725 HARBOR ST Root ball lateral Later notice will be sent to property owner.

23 3A21 1861-0179 1861-0178 SYDNEY DR Roots Rodder (03/20/13)

24 3622 1861-0420 1861-0421 AYERS AV Debris; deposits settled Hydro (04/17/13)

25 3323 1861-0408 1861-0409 SHEILA ST Gravels; debris; deposits settled Hydro (03/20/13)

26 3221 1861-0428 1861-0427 LEONIS ST Sag Hydro (03/20/13)

27 3221 1861-0428 1861-0456 HEPWORTH AV Root medium lateral Later notice will be sent to property owner.

28 3221 1915-0698 1915-0700 ASTOR AV Root ball lateral Later notice will be sent to property owner.

29 3122 1861-0443 1861-0444 LEONIS ST Debris; deposits settled Hydro (03/20/13)

30 3122 1915-0713 1915-0712 COWLIN AV Root medium lateral Later notice will be sent to property owner.

31 3121 1861-0392 1861-0393 WASHINGTON BV Debris; deposits settled Hydro (03/20/13)

32 3121 1861-0404 1861-0405 EASEMENT Debris; deposits settled Hydro (03/20/13)

33 3121 1861-0429 1861-0428 HEPWORTH AV Root small lateral No action needed.

34 3121 1861-0447 1861-0446 COUTS AV Debris; deposits settled Hydro (04/17/13)

35 3121 1861-0466 1861-0465 BEDESSEN AV Root medium lateral Later notice will be sent to property owner.

36 3121 1915-0699 1915-0736 COWLIN AV Root small lateral No action needed.

37 3121 1915-0707 1915-0706 JARDINE ST Debris; deposits settled Hydro (03/21/13)

38 3121 1915-0708 1915-0707 COUTS AV Root medium lateral Later notice will be sent to property owner.

ENCLOSURE 2

QUICK MAINTENANCE RATING REPORT PRIORITY LIST

CITY OF COMMERCE (Y0TV1011A)as of 09/01/2011

Page 1 of 2

Item

No.QMR Start MH End MH Street Observation Corrective Action Taken

ENCLOSURE 2

QUICK MAINTENANCE RATING REPORT PRIORITY LIST


39 3121 1915-0730 1915-0741 GAFFORD ST Roots Rodder (03/20/13)

40 3121 1915-0731 1915-0732 FAIR ST Root medium lateral Later notice will be sent to property owner.

41 3121 1915-0738 1915-0737 ALLEY Gravels; debris; deposits settled Hydro (03/20/13)

42 3121 1915-0741 1915-0740 ALLEY Root small lateral No action needed.

43 3111 1861-0412 1861-0413 SHEILA ST Debris; deposits settled Hydro (03/20/13)

Page 2 of 2

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Legend

SMD Sanitary Sewers

QMR

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SMD Operations Maps

CCTV PROJECT AREA

ENCLOSURE 2

NOVEMBER 2013

0 410 820 1,230 1,640

Feet


O

COMMERCE

CCTV PROJECT

Y0TV1011A

QUICK

MAINTENANCE

RATING

(QMR)

Item

No.QMR Start MH End MH Street Observation Percent Capacity: Location

1 4531 1861-0179 1861-0183 DUNHAM ST Camera under water (30% - 70%): 51' - 115'

2 3221 1861-0428 1861-0427 LEONIS ST Sag (30% - 50%): 45' - 117', 190' - end MH

ENCLOSURE 2

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CCTV PROJECT AREA

ENCLOSURE 2

NOVEMBER 2013

0 390 780 1,170 1,560

Feet


O

COMMERCE

CCTV PROJECT

Y0TV1011A

HIGH WATER LEVEL

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) 458-5100

http://dpw.lacounty.gov

{Date}

GAIL FARBER, Director

ADDRESS ALL CORRESPONDENCE TO:P.O. BOX 1460

ALHAMBRA, CALIFORNIA 91802-1460

IN REPLY PLEASE

REFER TO FILE: SM-1

Current Property Owner

Dear Property Owner:

SEWER LATERAL ROOT INTRUSION

As the agency responsible for the maintenance of the sanitary sewer system in yourarea, the County of Los Angeles Consolidated Sewer Maintenance District (District) isproviding you with this courtesy notice informing you that the sewer lateral serving theproperty located at XXXX, requires maintenance per County Code 20.24.080Maintenance of Sewer Laterals.

“All house laterals, industrial connection sewers, septic tank outlet connectionsto STEP system, and appurtenances thereto existing as of January 23, 1953, orthereafter constructed, shall be maintained by the owner of the property served ina safe and sanitary condition, and all devices or safeguards which are required bythis Division 2 for the operation thereof shall be maintained in good workingorder.”

Using closed-circuit television (CCTV) camera technology, the District recently televisedthe sanitary sewer mainline and discovered the presence of roots in your sewer lateralconnection. The intrusion of the roots from your lateral may block the flow of sewage inthe mainline sewer causing a sanitary sewer overflow upstream of your property.

Since the CCTV inspection, the sewer mainline has been cleaned and blockages fromroot growth have been removed; however, the root blockage in your sewer lateral is stillpresent. As the property owner, you are responsible for the entire length of the sewerlateral, which includes the portion that extends beyond the property line into the publicright of way. We request that you contact a qualified plumbing contractor to serviceyour sewer lateral within 90 days to remove roots and any other obstructions that maycause a sewage backup.

SAMPLE

Prior to your plumbing contractor servicing your lateral, please notify the District’s sewermaintenance yard in your area at (XXX) XXX-XXXX to arrange for authorization toaccess the downstream manhole.

During your lateral service, your plumbing contractor must protect the District’s sewermainlines from dislodged roots and other debris by utilizing catcher baskets at themanhole downstream from your lateral connection.

After your lateral has been serviced, please notify Mr. Fernando Villaluna,Sewer Maintenance Division, at (626) 300-3380 or [email protected].

For your reference, we have enclosed photos of your lateral connection showing thepresence of the root blockage. Also enclosed are some literature on ways of minimizingsewer overflows and damage to your home.

Thank you for helping the Department of Public Works keep the public’s sewers cleanand in good working order.

Very truly yours,

GAIL FARBERDirector of Public Works

RAJESH PATELAssistant Deputy DirectorSewer Maintenance Division

XXXX

Enc. SAMPLE

XXXXRoots at Lateral Connection

SAMPLE

Minimizing Sewer Overflows and Damage to Your Home

The sewer system within the County of Los Angeles Consolidated Sewer MaintenanceDistrict (District) is comprised of a series of underground pipes. Many are publicly owned;however, the sewer laterals are entirely owned by the private property owner they serve.The laterals extend from the building to the mainline within the street (or within an easementat the rear of your home). The laterals are typically four inches in diameter while theDistrict’s mainline is typically at least eight inches in diameter. The private property owneris responsible for the entire length of the lateral, which includes the portion that may belocated within the public right of way (under the asphalt and street landscaping).

Sewer backups can cause tremendous damage to the interior of a home. In order tominimize these, the District provides continual maintenance services for the public sewermainlines.

Unfortunately, sewer laterals are often not maintained by private property owners until adisaster strikes. “Out of sight, out of mind” is a typical approach to sewer lateralmaintenance and operation by many. It is our hope that we can provide you various meansof addressing these issues and thus minimize your risk of an overflow entering your home.

The three methods we suggest are:

1. Maintain your lateral through proper cleaning, repair, and replacement2. Do not place improper items into the sewer or make improper connections to the

sewera. Keep rainwater out of the sewer lines as it overwhelms the capacity of the

sewer lines and may cause sewer spills.b. Do not pour fats, oils, and grease in your drains as these products harden

and stick to the inside of the sewer pipes, which build up and may eventuallycause a blockage in the sewer pipe.

3. Install a backflow preventer and cleanout in your sewer lateral.

SEWER LATERALS – AREAS OF RESPONSIBILITY

Homeowner is responsible for lateralmaintenance up to the sewer

mainline.

OR

Sewer Easement

Property Boundary

Sewer Lateral Sewer LateralHomeowner’s Responsibility Homeowner’s Responsibility

District’s Responsibility District’s Responsibility

Foot Path Foot PathStreet

Sewer Mainline Sewer Mainline

SAMPLE

ENCLOSURE 3:

Quick Structural Rating ReportPriority List

Quick Structural Rating Map Rehabilitation Projects Map

Item

No.QSR Start MH End MH Street Observation: Location Proposed Corrective Method

Length of

Repair (FT)

1 5235 1861-0426 1861-0427 LONG BEACH FRWY Fractures: 4' - 10', 68', 75', 79', 262', 276', 304', 310'; medium offset: 64' Lining: MH to MH 372

2 5221 1861-0151 1861-0152 EASTERN AV Fracture: 46'; broken with visibile void: 120'; concrete sewer Emergency Point Repair (completed: 03/11/13);

Lining: MH to MH

312

3 5141 1861-0173 1861-0155 DUNCAN AV Fractures: 172', 184'; hole soil visible: 241' Structural integrity intact. No action needed.

4 4137 1915-0734 1915-0735 EVERINGTON ST Fractures: 6', 29', 155', 209' Structural integrity intact. No action needed.

5 4135 1915-0700 1915-0701 ASTOR AV Fractures: 42', 264', 267' Structural integrity intact. No action needed.

6 4131 1861-TRNK 1861-0464 AYERS AV Fractures: 137', 312'; concrete sewer Lining: MH to MH 325

7 4131 1862-0010 1862-0011 SHEILA ST Fracture: 51', 197'; hole at base MH 11 CSMD will repair MH base.

8 4100 1861-0171 1861-0169 TRIGGS ST Fractures: 83'; concrete sewer Lining: MH to MH 230

9 4100 1915-0716 1915-0726 COWLIN AV Fractures: 252' Structural integrity intact. No action needed.

10 3A22 1861-0181 1861-0182 EASTERN AV Concrete sewer Lining: MH to MH 311

11 3221 1861-0181 1861-0152 EASTERN AV Concrete sewer Lining: MH to MH 316

12 2300 1861-0184 1861-TRNK EASTERN AV Concrete sewer Lining: MH to MH 273

13 2200 1861-0150 1861-0151 EASTERN AV Concrete sewer Lining: MH to MH 120

14 1100 1861-0387 1861-0386 WASHINGTON BV Concrete sewer Lining: MH to MH 190

15 0000 1861-0158 1861-0162 MC DONNELL AV Concrete sewer Lining: MH to MH 303

16 0000 1861-0162 1861-0163 MC DONNELL AV Concrete sewer Lining: MH to MH 308

17 0000 1861-0163 1861-0164 DUNHAM ST Concrete sewer Lining: MH to MH 292


19 0000 1861-0167 1861-0164 MC BRIDE AV Concrete sewer Lining: MH to MH 303

20 0000 1861-0169 1861-0157 TRIGGS ST Concrete sewer Lining: MH to MH 303

21 0000 1861-0170 1861-0167 MC BRIDE AV Concrete sewer Lining: MH to MH 308

22 0000 1861-0170 1861-0172 TRIGGS ST Concrete sewer Lining: MH to MH 192



25 0000 1861-0309 1861-TRNK ROWAN AV Concrete sewer Lining: MH to MH 237

26 0000 1861-0310 1861-0309 ROWAN AV Concrete sewer Lining: MH to MH 259

27 0000 1861-0311 1861-0310 ROWAN AV Concrete sewer Lining: MH to MH 261


29 0000 1861-0401 1861-0399 ASH ST Concrete sewer Lining: MH to MH 123



32 0000 1861-0403 1861-TRNK WASHINGTON BV Concrete sewer Lining: MH to MH 290

ENCLOSURE 3

QUICK STRUCTURAL RATING REPORT


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Legend

SMD Sanitary Sewers

QSR

1: MINOR


3: MODERATE

4: SIGNIFICANT

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SMD Manholes

!U Other

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SMD Operations Maps

CCTV PROJECT AREA

ENCLOSURE 3

NOVEMBER 2013

0 410 820 1,230 1,640

Feet


O

COMMERCE

CCTV PROJECT

Y0TV1011A

QUICK

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RATING

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C-1861 C-1915

C-1862 C-1916

Legend

LINING

POINT REPAIR & LINING

SMD Manholes

!U Other

Manhole Type

!( Standard

#* DROP

" ± Shallow

XW Trap

!? Siphon




Trunk Sewerlines



SMD Operations Maps

CCTV PROJECT AREA

ENCLOSURE 3

NOVEMBER 2013

0 390 780 1,170 1,560

Feet


O

COMMERCE

CCTV PROJECT

Y0TV1011A

LINING &

POINT REPAIR

ENCLOSURE 4:

Infrastructure Inspection Reports for Grades 4 and 5

National Plant Services Inc.1461 Harbor Ave

Long Beach, CA 90813Tel: (562) 436-7600, Fax: (562) 495-1528

Inspection reportDate: P.O.#: Weather: Surveyed By: section number: PSR:

Total Pipe Length: Survey Customer: System Owner: Clean Date: Pre-Cleaned: rate:

Street: Flow Control: Start MH:

City: Year Renewed End MH:

Location Code: Tape/Media #: Total length surveyed:

Location details:Location details:

Purpose: Dia/Height:

Use:Material:

Drain. Area:Lining:

Category:

Comment:

20110722 Y0TV1011A 1 Dry A.OBRIEN 3394 53255

352 LACDPW CMR 07/22/2011 J Jetting 1861

LONG BEACH FRWY

CMR

D Easement/Right of Way

N Not Controlled 1861-0426

1861-0427

373.23 ft

F Routine Assessment

SS Sanitary

0426/1861-0427/1861

C Circular 8/8

VCP Pipe Joint length: 352

NONE

1:744 position code observation MPEG photo grade

YOTV1011A- READ ONLY.mdb // page: 1

0.00 AMH 00:00:14 155Upstream Manhole, Survey Begins 1861-0426

0.00 MWL 00:00:25Water Level, 5 % of cross sectional area

0.00 MWM 00:00:27 M 2Water Mark, 5 of cross sectional area

3.71 CM 00:00:40 156, b S 3Crack Multiple, from 08 to 05 oćlock, within 8 inch: YES

7.92 CL 00:00:56 158, b S 2Crack Longitudinal, at 03 oćlock, within 8 inch: YES

18.64 TFA 00:01:20 160Tap Factory Made Active, at 10 oćlock, 6", within 8 inch: YES

22.14 B 00:01:36 161, b S 5Broken, from 09 to 03 oćlock, within 8 inch: YES



64.33 JOM 00:03:55 166, b S 1Joint Offset Medium

68.13 MWLS 00:04:16 168 M 2Water Level, Sag in pipe, 10 % of cross sectional area

75.45 B 00:04:36 169, b S 5Broken, from 08 to 04 oćlock, within 8 inch: YES


123.54 TFC 00:06:18 173Tap Factory Made Capped, at 10 oćlock, 6", within 8 inch: YES









282.15 RFJ 00:12:22 184, b M 1Roots Fine Joint, at 03 oćlock, within 8 inch: YES


294.48 RFJ 00:13:36 188, b M 1Roots Fine Joint, from 08 to 04 oćlock, within 8 inch: YES

1861-0426





20110722 Y0TV1011A 1 Dry A.OBRIEN 3394 53255













373.23 AMH 00:21:15 202Downstream Manhole, Survey Ends 1861-0427

1861-0427

QSR QMR SPR MPR OPR SPRI MPRI OPRI

5235 2214 34 8 42 2.83 1.33 2.33










Use:Material:

Drain. Area:Lining:

Category:

Comment:

20110801 Y0TV1011A 1 Dry J.SALAS 3571 53477


EASTERN AV

CMR

C Light Highway


1861-0152

120.68 ft


SS Sanitary

0151/1861-0152/1861

C Circular 8/8

CP Concrete Pipe (non-reinforced) Pipe Joint length: 325

HOLE



0.00 AMH 110Upstream Manhole, Survey Begins 1861-0151

0.00 MWL Water Level, 10 % of cross sectional area

0.00 MWM M 2Water Mark, 20 % of cross sectional area






120.68 HSV 00:06:02 117, b S 5Hole Soil Visible, from 07 to 11 oćlock, within 8 inch: YES

120.68 HVV 00:06:17 119, b S 5Hole Void Visible, from 01 to 05 oćlock, within 8 inch: YES

120.68 MSA 00:07:11 121, bSurvey Abandoned, Remark: HOLE IN PIPE

1861-0151


5221 2100 12 2 14 4 2 3.5










Use:Material:

Drain. Area:Lining:

Category:

Comment:

20110801 YOTV1011A 1 Dry J.SALAS 3573 53477

LACDPW CMR 08/01/2011 J Jetting 1861

EASTERN AV

CMR

C Light Highway


1861-0151

192.61 ft

F Routine Asseessment

SS Sanitary

C Circular 8/8

CP Concrete Pipe (non-reinforced) Pipe Joint length: REVERSED

REVERSED



0.00 AMH Downstream Manhole, Survey Begins 1861-0152











192.61 MSA 00:06:58 178, bSurvey Abandoned, Remark: reversed completed hole on pip

1861-0152


0000 2100 0 2 2 0 2 2










Use:Material:

Drain. Area:Lining:

Category:

Comment:

20110728 Y0TV1011A 1 Dry A.OBRIEN 3446 53483


DUNCAN AV

CMR

C Light Highway


1861-0155

347.78 ft


SS Sanitary

0155/1861-0173/1861

C Circular 8/8


TVed Upstream



0.00 AMH 00:00:07 10Downstream Manhole, Survey Begins 1861-0173


0.00 MWM 00:00:29 M 2Water Mark, 5 % of cross sectional area






184.86 FM 00:08:42 17, b S 4Fracture Multiple, from 08 to 01 oćlock, within 8 inch: YES

241.17 HSV 00:12:22 19, b S 5Hole Soil Visible, from 09 to 11 oćlock, within 8 inch: YES

279.95 VC 00:14:53 M 1Vermin Cockroach




343.47 DSZ 00:20:10 24 M 4Deposits Settled Other, 25 % of cross sectional area, from 04 to 08oćlock, within 8 inch: YES

347.78 AMH 00:20:57 25Upstream Manhole, Survey Ends 1861-0155

1861-0173

1861-0155


5141 4121 12 7 19 4 2.33 3.17










Use:Material:

Drain. Area:Lining:

Category:

Comment:

20110715 Y0TV1011A 1 Dry A.OBRIEN 3245 46225


EVERINGTON ST

CMR

C Light Highway


1915-0735

240.87 ft


SS Sanitary

0734/1915-0735/1915

C Circular 8/8


NONE
























1915-0734

1915-0735


4137 2100 25 2 27 3.13 2 3










Use:Material:

Drain. Area:Lining:

Category:

Comment:

20110714 Y0TV1011A 1 Dry A.OBRIEN 3191 46190


ASTOR AV

CMR

C Light Highway


1915-0701

270.93 ft


SS Sanitary

0700/1915-0701/1915

C Circular 8/8


NONE























1915-0700

1915-0701


4135 2100 19 2 21 3.17 2 3










Use:Material:

Drain. Area:Lining:

Category:

Comment:

20110801 Y0TV1011A 1 Dry B FUGATE 3517 53169


AYERS AV

CMR

C Light Highway

N Not Controlled 1861-TRNK

1861-0464

325.55 ft


SS Sanitary

0464/1861-TRNK/1861

C Circular 8/8


NONE



0.00 AMH 00:00:11 1Downstream Manhole, Survey Begins 1861-TRNK




137.60 FL 00:04:10 8, b S 3Fracture Longitudinal, at 12 oćlock, within 8 inch: YES




325.55 AMH 00:10:01 14Upstream Manhole, Survey Ends 1861-0464

1861-TRNK

1861-0464


4131 2100 7 2 9 3.5 2 3










Use:Material:

Drain. Area:Lining:

Category:

Comment:

20110722 Y0TV1011A 1 Dry A.OBRIEN 3395 53199


SHEILA ST

CMR

C Light Highway


1862-0011

200.09 ft


SS Sanitary

0010/1862-0011/1862

C Circular 8/8


NONE

















1862-0010

1862-0011


4131 2100 9 2 11 3 2 2.75










Use:Material:

Drain. Area:Lining:

Category:

Comment:

20110729 Y0TV1011A 1 Dry B FUGATE 3481 53499


TRIGGS ST

CMR

C Light Highway


1861-0169

228.27 ft


SS Sanitary

0169/1861-0171/1861

C Circular 8/8


NONE



0.00 AMH 93Upstream Manhole, Survey Begins 1861-0171








1861-0171

1861-0169


4100 2100 4 2 6 4 2 3










Use:Material:

Drain. Area:Lining:

Category:

Comment:

20110718 Y0TV1011A 1 Dry A.OBRIEN 3253 46207


COWLIN AV

CMR

C Light Highway


1915-0726

256 ft


SS Sanitary

0716/1915-0726/1915

C Circular 8/8


NONE





0.00 MWM 00:00:24 M 2Water Mark, 5 of cross sectional area









1915-0716

1915-0726


4100 2112 4 4 8 4 1.33 2

Documents

COUNTY OF LOS ANGELES - ladpw.orgladpw.org/smd/cctv/city/Commerce/Commerce... · completed the closed-circuit television (CCTV) inspection of 54,684 feet or 20.9 percent of the City