Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jun 9, 2017, 10:39 AM
  • 20 0275_20 0274_09062017_034036.mp4

Date
06/09/2017
W/O
640674
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00751
PipeID
P19241
Time
3:39 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K4574
Sewer Name
20 20TH STREET EAST RELIEF TRUNK
City
PALMDALE
Loc. details
Main Highway - Suburban/Rural
Location Code
B
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
07
Purpose
Routine Assessment
Project
WO_640674_TV20031_JUN2017
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
20 0274
Downstream MH
20 0275
Dir. of Survey
Upstream
Length Surveyed
360.5 ft.
Total Length
360.5 ft.
Structural Index
3
Structural Quick
3M00
Structural Rating
216
O&M Index
2
O&M Quick
4131
O&M Rating
151
Overall Index
3
Overall Quick
Overall Rating
367
Pipe schematic from manhole 20 0274 to 20 0275
MH: 20 0274MH: 20 0275upstream0 ft. SAV - Surface Aggregate Visible, 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 - DEBRIS0 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish0 ft. AMH - Upstream Manhole, Survey Ends - 20 0275358.5 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start358.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start360.5 ft. AMH - Downstream Manhole, Survey Begins - 20 0274360.5 ft. MWL - Water Level, 25 %of cross sectional area360.5 ft. MGO - General Observation - COCKROACHES IN MANHOLE360.5 ft. MWM - Water Mark, 50 %of cross sectional area

Observation photos (2)

  • Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    2 ft. - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • 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

Observations (10)

DistanceCodeObservation
0AMH20 0274
360.5SAV
360.5DSZDEBRIS
360.5DAGS
0MWL
0MGOCOCKROACHES IN MANHOLE
2SAV
2DAGS
0MWM
360.5AMH20 0275

Properties (4)

additional_info
SC345250
custom_field_two
3
customer
LACSD
datetime
2017-06-09T03:39:49-07:00