Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 8, 2020, 05:05 AM
  • 20 0271_20 0270_07072020_221638.mp4

Date
07/07/2020
W/O
833690
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00751
PipeID
P19237
Time
10:05 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 - Suburban/Rural
Location Code
B
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 0271
Downstream MH
20 0270
Dir. of Survey
Downstream
Length Surveyed
351.2 ft.
Total Length
351.2 ft.
Structural Index
3
Structural Quick
3M2K
Structural Rating
327
O&M Index
2
O&M Quick
412M
O&M Rating
142
Overall Index
2
Overall Quick
Overall Rating
469
Pipe schematic from manhole 20 0271 to 20 0270
MH: 20 0271MH: 20 0270downstream0 ft. AMH - Upstream Manhole, Survey Begins - 20 02710 ft. MWM - Water Mark, 50 %of cross sectional area0 ft. MWL - Water Level, 35 %of cross sectional area2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start47.7 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start238.1 ft. TBA - Tap Break-In Active, at 03 o'clock, -, within 8 inches of joint: NO, 6"336.7 ft. TBA - Tap Break-In Active, at 02 o'clock, -, within 8 inches of joint: NO, 6"349.1 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Finish349.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish349.1 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish351.2 ft. AMH - Downstream Manhole, Survey Ends - 20 0270

Observation photos (3)

  • 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

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

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

Observations (12)

DistanceCodeObservation
0AMH20 0271
2SAP
0MWM
0MWL
349.1SSS
47.7SSS
2DAGS
349.1DAGS
238.1TBA
336.7TBA
349.1SAP
351.2AMH20 0270

Properties (7)

additional_info
SC411707
custom_field_three
PROJECTING AGGREGATE/SPALLING
custom_field_two
2
customer
1
datetime
2020-07-07T22:05:33-07:00
documentation
PRO PIPE
is_lateral_inspection
false