Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Oct 6, 2021, 10:15 AM
  • 20 0537_20 0357A_10062021_032631.mp4

Date
10/06/2021
W/O
916317
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00756
PipeID
P25809
Time
3:15 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9454
Sewer Name
20 56TH STREET EAST TRUNK
City
PALMDALE
Loc. details
Main Highway - Suburban/Rural
Location Code
B
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
15 in.
Width
15 in.
Upstream MH
20 0537
Downstream MH
20 0357A
Dir. of Survey
Downstream
Length Surveyed
370.2 ft.
Total Length
370.2 ft.
Structural Index
2
Structural Quick
2100
Structural Rating
2
O&M Index
2
O&M Quick
2N00
O&M Rating
146
Overall Index
2
Overall Quick
Overall Rating
148
Pipe schematic from manhole 20 0537 to 20 0357A
MH: 20 0537MH: 20 0357Adownstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MWM - Water Mark, 35 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 05372 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 04 o'clock, , within 8 inches of joint: YES, Start335.6 ft. MWL - Water Level, 25 %of cross sectional area367.8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 04 o'clock, , within 8 inches of joint: YES, Finish370 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES - THROUGHOUT370.2 ft. MGO - General Observation - CONNECTIONS IN MH AT BOTH 3 AND 9 O' CLOCK370.2 ft. AMH - Downstream Manhole, Survey Ends - 20 0357A

Observation photos (1)

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

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

Observations (9)

DistanceCodeObservation
2DAGS
370SSSTHROUGHOUT
0MWL
335.6MWL
0MWM
370.2MGOCONNECTIONS IN MH AT BOTH 3 AND 9 O' CLOCK
370.2AMH20 0357A
367.8DAGS
0AMH20 0537

Properties (8)

additional_info
630069100521201
custom_field_three
LIGHT GREASE/SPALLING
custom_field_two
3
customer
1
datetime
2021-10-06T03:15:43-07:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
26787