Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 8, 2020, 05:17 AM
  • 20 0270_20 0269_07072020_223140.mp4

Date
07/07/2020
W/O
833690
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00751
PipeID
P19236
Time
10:17 PM
Certificate
U-111-11880
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K7868
Sewer Name
20TH STREET EAST RELIEF TRUNK
City
PALMDALE
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
07
Purpose
Routine Assessment
Project
RFIR_WO_833690_TV20025_JUN2020
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
20 0270
Downstream MH
20 0269
Dir. of Survey
Downstream
Length Surveyed
351.6 ft.
Total Length
351.6 ft.
Structural Index
3
Structural Quick
3M2L
Structural Rating
344
O&M Index
2
O&M Quick
412M
O&M Rating
144
Overall Index
2
Overall Quick
Overall Rating
488
Pipe schematic from manhole 20 0270 to 20 0269
MH: 20 0270MH: 20 0269downstream0 ft. MWM - Water Mark, 50 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 02700 ft. MWL - Water Level, 35 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start14.7 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start253.8 ft. TB - Tap Break-In, at 02 o'clock, -, within 8 inches of joint: NO, 6"349.5 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish349.5 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Finish349.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish351.6 ft. AMH - Downstream Manhole, Survey Ends - 20 0269

Observation photos (3)

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

  • Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    2 ft. - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

    14.7 ft. - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

Observations (11)

DistanceCodeObservation
0MWM
349.5SAP
14.7SSS
2DAGS
351.6AMH20 0269
0AMH20 0270
2SAP
0MWL
349.5SSS
349.5DAGS
253.8TB

Properties (7)

additional_info
SC411707
custom_field_three
PROJECTING AGGREGATE./SPALLING
custom_field_two
2
customer
1
datetime
2020-07-07T22:17:05-07:00
documentation
PRO PIPE
is_lateral_inspection
false