Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jun 14, 2022, 06:42 AM
  • 20 0275_20 0274_06142022_005414.mp4

Date
06/13/2022
W/O
956996
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00751
PipeID
P19241
Time
11:42 PM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K10146
Sewer Name
20 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_956996_TV20025_JUN2022
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
20 0275
Downstream MH
20 0274
Dir. of Survey
Downstream
Length Surveyed
373.2 ft.
Total Length
373.2 ft.
Structural Index
3
Structural Quick
3N2N
Structural Rating
370
O&M Index
2
O&M Quick
3M2N
O&M Rating
358
Overall Index
2
Overall Quick
Overall Rating
728
Pipe schematic from manhole 20 0275 to 20 0274
MH: 20 0275MH: 20 0274downstream0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. MGO - General Observation - COCKROACHES AT MH0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 02752 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 04 to 08 o'clock, , within 8 inches of joint: YES, Start2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start15.7 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - debris365.3 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish370.9 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish370.9 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish370.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish373.2 ft. AMH - Downstream Manhole, Survey Ends - 20 0274

Observation photos (3)

  • General Observation - COCKROACHES AT MH

    0 ft. - General Observation - COCKROACHES AT MH

  • 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 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

Observations (13)

DistanceCodeObservation
0MWM
365.3DSZ
0MGOCOCKROACHES AT MH
2SAP
373.2AMH20 0274
370.9SSS
2DAGS
370.9SAP
0MWL
370.9DAGS
15.7DSZdebris
0AMH20 0275
2SSS

Properties (7)

additional_info
630063061322201
custom_field_three
SPALLING/PROJECTING AGGREGATE
custom_field_two
2
customer
1
datetime
2022-06-13T23:42:02-07:00
documentation
PRO PIPE
is_lateral_inspection
false