Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 19, 2018, 11:10 AM
  • 20 0613_20 0073_19032018_041940.mp4

Date
03/19/2018
W/O
690552
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18995
Time
4:10 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K5490
Sewer Name
20 TRUNK "A"
City
PALMDALE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
02
Purpose
Routine Assessment
Project
WO_690552_TV20023_MAR2018
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
20 0073
Downstream MH
20 0613
Dir. of Survey
Upstream
Length Surveyed
30.8 ft.
Total Length
30.8 ft.
Structural Index
3
Structural Quick
3626
Structural Rating
30
O&M Index
3
O&M Quick
3500
O&M Rating
15
Overall Index
3
Overall Quick
Overall Rating
45
Pipe schematic from manhole 20 0073 to 20 0613
MH: 20 0073MH: 20 0613upstream0 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish0 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish0 ft. AMH - Upstream Manhole, Survey Ends - 20 06130 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Finish22.7 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS28.8 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start28.8 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start30.8 ft. MWL - Water Level, 10 %of cross sectional area30.8 ft. AMH - Downstream Manhole, Survey Begins - 20 0073

Observation photos (3)

  • 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 10 to 02 o'clock, within 8 inches of joint: YES, Start

    2 ft. - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

  • Deposits Settled Other,  15 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start - DEBRIS

    8.1 ft. - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS

Observations (9)

DistanceCodeObservation
0MWL
30.8SAP
30.8DSZ
30.8AMH20 0613
0AMH20 0073
30.8SSS
2SAP
8.1DSZDEBRIS
2SSS

Properties (4)

additional_info
SC358498
custom_field_two
2
customer
LACSD
datetime
2018-03-19T04:10:06-07:00