Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jun 28, 2019, 06:18 AM
  • 20 0268_20 0267_27062019_233839.mp4

Date
06/27/2019
W/O
771940
Weather
Dry
Operator/Surveyor
S.LOPEZ
Sewer ID
Z00751
PipeID
P19234
Time
11:18 PM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K6619
Sewer Name
20 20TH STREET EAST RELIEF TRUNK
City
PALMDALE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
07
Purpose
Routine Assessment
Project
RFIR_WO_771940_TV20025_JUN2019
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
20 0268
Downstream MH
20 0267
Dir. of Survey
Downstream
Length Surveyed
338.1 ft.
Total Length
338.1 ft.
Structural Index
3
Structural Quick
3L2L
Structural Rating
335
O&M Index
2
O&M Quick
412L
O&M Rating
138
Overall Index
2
Overall Quick
Overall Rating
473
Pipe schematic from manhole 20 0268 to 20 0267
MH: 20 0268MH: 20 0267downstream0 ft. AMH - Upstream Manhole, Survey Begins - 20 02680 ft. MWM - Water Mark, 30 %of cross sectional area0 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. SZ - Surface Other, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - 65% MAG2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start4.9 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start5.9 ft. TB - Tap Break-In, at 03 o'clock, -, within 8 inches of joint: YES, 4", 6" - OPEN299 ft. MWL - Water Level, 40 %of cross sectional area326 ft. MWL - Water Level, 75 %of cross sectional area337 ft. MGO - General Observation - PEELING AND FLAKING THROUGHOUT337 ft. SZ - Surface Other, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - 65% MAG338.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish338.1 ft. AMH - Downstream Manhole, Survey Ends - 20 0267338.1 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish338.1 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish338.1 ft. DSZ - Deposits Settled Other, 25 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES - DEBRIS UNDER WATER

Observation photos (5)

  • 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 09 to 03 o'clock, within 8 inches of joint: YES, Start

    4.9 ft. - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

  • Water Level, 75 %of cross sectional area

    326 ft. - Water Level, 75 %of cross sectional area

  • Downstream Manhole, Survey Ends - 20 0267

    338.1 ft. - Downstream Manhole, Survey Ends - 20 0267

Observations (17)

DistanceCodeObservation
338.1DAGS
338.1AMH20 0267
299MWL
4.9SSS
338.1SAP
326MWL
0AMH20 0268
2DAGS
338.1SSS
338.1DSZDEBRIS UNDER WATER
0MWM
0MWL
2SZ65% MAG
2SAP
337MGOPEELING AND FLAKING THROUGHOUT
5.9TBOPEN
337SZ65% MAG

Properties (6)

additional_info
SC378185
custom_field_two
2
customer
LACSD
datetime
2019-06-27T23:18:42-07:00
documentation
PRO PIPE
is_lateral_inspection
false