Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 8, 2022, 06:40 AM
  • 20 0154_20 0153_03082022_001053.mp4

Date
03/07/2022
W/O
941504
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00745
PipeID
P19077
Time
10:40 PM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9899
Sewer Name
20 TRUNK "D"
City
PALMDALE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
06
Purpose
Routine Assessment
Project
WO_941504_TV20029_MAR2022
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
10 in.
Width
10 in.
Upstream MH
20 0154
Downstream MH
20 0153
Dir. of Survey
Downstream
Length Surveyed
333.1 ft.
Total Length
333.1 ft.
Structural Index
2
Structural Quick
3L2N
Structural Rating
344
O&M Index
2
O&M Quick
332M
O&M Rating
145
Overall Index
2
Overall Quick
Overall Rating
489
Pipe schematic from manhole 20 0154 to 20 0153
MH: 20 0154MH: 20 0153downstream0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 01540 ft. MWL - Water Level, 20 %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. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start5.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start8.6 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"36.5 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"52 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start60.5 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"61 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish88.9 ft. TFA - Tap Factory Made Active, at 10 o'clock, -, within 8 inches of joint: NO, 6"113.2 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"136.8 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"160.7 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"188.8 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"212.5 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"236.7 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"260.7 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"289.1 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"300 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start312.7 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"317 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS324 ft. OBZ - Obstacles Other, 10 %of cross sectional area, from 04 to 08 o'clock, Start - UNKNOWN329 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish330.9 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish331 ft. OBZ - Obstacles Other, 10 %of cross sectional area, from 04 to 08 o'clock, Finish - UNKNOWN331.5 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish331.6 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish331.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish333 ft. MGO - General Observation - CONN @ MH 3 O'CLOCK/ACTIVE333.1 ft. AMH - Downstream Manhole, Survey Ends - 20 0153

Observation photos (3)

  • 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

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

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

Observations (32)

DistanceCodeObservation
0MWM
324OBZUNKNOWN
113.2TFC
331.5DSZ
0AMH20 0154
60.5TFC
329MWLS
5.1SSS
289.1TFC
160.7TFC
317DSZDEBRIS
260.7TFC
331.6SAP
333MGOCONN @ MH 3 O'CLOCK/ACTIVE
312.7TFC
2DAGS
2SAP
88.9TFA
331OBZUNKNOWN
333.1AMH20 0153
188.8TFC
300MWLS
36.5TFC
136.8TFC
331.6DAGS
212.5TFC
330.9SSS
52MWLS
0MWL
236.7TFC
8.6TFC
61MWLS

Properties (7)

additional_info
630138030722201
custom_field_three
PROJECTING AGGREGATE/SPALLING
custom_field_two
2
customer
1
datetime
2022-03-07T22:40:52-08:00
documentation
PRO PIPE
is_lateral_inspection
false