Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 11, 2019, 06:00 AM
  • 21 0598_21 0597 _10042019_233901.mp4

Date
04/10/2019
W/O
761818
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00786
PipeID
P21513
Time
11:00 PM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K6454
Sewer Name
21 TRI-CITIES OUTFALL TRUNK
City
POMONA
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
15
Purpose
Routine Assessment
Project
WO_761818_TV21081_APR2019
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
22 in.
Width
22 in.
Upstream MH
21 0598
Downstream MH
21 0597
Dir. of Survey
Downstream
Length Surveyed
892.5 ft.
Total Length
892.5 ft.
Structural Index
3
Structural Quick
3h00
Structural Rating
612
O&M Index
2
O&M Quick
2c00
O&M Rating
356
Overall Index
3
Overall Quick
Overall Rating
968
Pipe schematic from manhole 21 0598 to 21 0597
MH: 21 0598MH: 21 0597downstream0 ft. MWM - Water Mark, 35 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 05980 ft. MWL - Water Level, 25 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start2 ft. MLC - Lining Change, Cured in place2 ft. LFDL - Lining Failure Delaminating, from 09 to 03 o'clock, within 8 inches of joint: YES, Start - DELAMINATING THROUGHOUT2.5 ft. LFW - Lining Failure Wrinkled, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - WRIINKLING THROUGHOUT889 ft. LFW - Lining Failure Wrinkled, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish889 ft. LFDL - Lining Failure Delaminating, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish889.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish892.5 ft. AMH - Downstream Manhole, Survey Ends - 21 0597

Observation photos (2)

  • Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

  • Lining Change, Cured in place

    2 ft. - Lining Change, Cured in place

Observations (11)

DistanceCodeObservation
889LFW
0MWM
2DAGS
0AMH21 0598
2.5LFWWRIINKLING THROUGHOUT
2MLC
0MWL
2LFDLDELAMINATING THROUGHOUT
892.5AMH21 0597
889LFDL
889.7DAGS

Properties (6)

additional_info
SC366222
custom_field_two
3
customer
LACSD
datetime
2019-04-10T23:00:52-07:00
documentation
PRO PIPE
is_lateral_inspection
false