Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Oct 12, 2021, 08:55 AM
  • 20 0351_20 0350_10122021_021319.mp4

Date
10/12/2021
W/O
916317
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00756
PipeID
P19300
Time
1:55 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9460
Sewer Name
20 56TH STREET EAST TRUNK
City
PALMDALE
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
09
Purpose
Routine Assessment
Project
WO_916317_TV20013_OCT2021
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
20 0351
Downstream MH
20 0350
Dir. of Survey
Downstream
Length Surveyed
386.3 ft.
Total Length
386.3 ft.
Structural Index
3
Structural Quick
3121
Structural Rating
5
O&M Index
2
O&M Quick
2N00
O&M Rating
150
Overall Index
2
Overall Quick
Overall Rating
155
Pipe schematic from manhole 20 0351 to 20 0350
MH: 20 0351MH: 20 0350downstream0 ft. MWM - Water Mark, 40 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 03510 ft. MWL - Water Level, 20 %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, Start7.5 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"16.9 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 09 to 03 o'clock, , within 8 inches of joint: YES, Start31.4 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"54.6 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"81.5 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"103.9 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"130.7 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"157.7 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"180.3 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"207 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"230.1 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"257 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"283.4 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"306.4 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"316.8 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"351.8 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"380.7 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 09 to 03 o'clock, , within 8 inches of joint: YES, Finish380.7 ft. SAP - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES380.7 ft. MMC - Material Change, Concrete pipe (non-reinfored)385 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish386 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES386.3 ft. AMH - Downstream Manhole, Survey Ends - 20 0350

Observation photos (4)

  • 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

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

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

  • Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES

    380.7 ft. - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES

  • Material Change, Concrete pipe (non-reinfored)

    380.7 ft. - Material Change, Concrete pipe (non-reinfored)

Observations (26)

DistanceCodeObservation
7.5TFC
316.8TFC
0MWM
385DAGS
2DAGS
157.7TFC
380.7DAE
16.9DAE
283.4TFC
180.3TFC
380.7SAP
351.8TFC
0AMH20 0351
130.7TFC
31.4TFC
103.9TFC
81.5TFC
257TFC
0MWL
386SSS
207TFC
54.6TFC
386.3AMH20 0350
380.7MMC
230.1TFC
306.4TFC

Properties (7)

additional_info
630069101121202
custom_field_three
LIGHT GREASE/SPALLING
custom_field_two
3
customer
1
datetime
2021-10-12T01:55:50-07:00
documentation
PRO PIPE
is_lateral_inspection
false