Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 16, 2020, 06:12 AM
  • 20 0542_20 0789_09152020_232012.mp4

Date
09/15/2020
W/O
844370
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00952
PipeID
P26314
Time
11:12 PM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K7993
Sewer Name
TRUNK "A" RELIEF
City
PALMDALE
Loc. details
Main Highway - Suburban/Rural
Location Code
B
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
01
Purpose
Routine Assessment
Project
WO_844370_TV20055_AUG2020
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
42 in.
Width
42 in.
Upstream MH
20 0542
Downstream MH
20 0789
Dir. of Survey
Downstream
Length Surveyed
45.5 ft.
Total Length
45.5 ft.
Structural Index
2
Structural Quick
2800
Structural Rating
16
O&M Index
2
O&M Quick
2B00
O&M Rating
32
Overall Index
2
Overall Quick
Overall Rating
48
Pipe schematic from manhole 20 0542 to 20 0789
MH: 20 0542MH: 20 0789downstream0 ft. MWL - Water Level, 15 %of cross sectional area0 ft. MGO - General Observation - CONN @ MH 9 O'CLOCK/ACTIVE0 ft. MGO - General Observation - CONN @ MH 3 O'CLOCK/ACTIVE0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 05422 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, Start2 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Start43 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish43.3 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Finish43.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish45.5 ft. AMH - Downstream Manhole, Survey Ends - 20 0789

Observation photos (2)

  • 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

  • Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Start

Observations (12)

DistanceCodeObservation
43.3DAE
43.3DAGS
0MWL
2DAGS
0MGOCONN @ MH 9 O'CLOCK/ACTIVE
0MGOCONN @ MH 3 O'CLOCK/ACTIVE
2SSS
0MWM
45.5AMH20 0789
2DAE
43SSS
0AMH20 0542

Properties (7)

additional_info
SC411885
custom_field_three
SPALLING
custom_field_two
3
customer
1
datetime
2020-09-15T23:12:45-07:00
documentation
PRO PIPE
is_lateral_inspection
false