Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jun 12, 2017, 11:35 AM
  • 20 0272_20 0271_12062017_044436.mp4

Date
06/12/2017
W/O
640674
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00751
PipeID
P19238
Time
4:35 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K4576
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 0271
Downstream MH
20 0272
Dir. of Survey
Upstream
Length Surveyed
355.1 ft.
Total Length
355.2 ft.
Structural Index
3
Structural Quick
3M00
Structural Rating
210
O&M Index
3
O&M Quick
4122
O&M Rating
8
Overall Index
3
Overall Quick
Overall Rating
218
Pipe schematic from manhole 20 0271 to 20 0272
MH: 20 0271MH: 20 0272upstream0 ft. AMH - Upstream Manhole, Survey Ends - 20 02722 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish2 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish2 ft. MGO - General Observation - COCKROACHES IN MANHOLE353.2 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Start353.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start355.2 ft. MWL - Water Level, 25 %of cross sectional area355.2 ft. AMH - Downstream Manhole, Survey Begins - 20 0271355.2 ft. MGO - General Observation - COCKROACHES IN MANHOLE355.2 ft. MWM - Water Mark, 50 %of cross sectional area

Observation photos (2)

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

    2 ft. - Surface Aggregate Visible, from 09 to 03 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
0MWL
0AMH20 0271
355.2AMH20 0272
2SAV
353.2DAGS
0MGOCOCKROACHES IN MANHOLE
353.2SAV
2DAGS
353.2MGOCOCKROACHES IN MANHOLE
0MWM

Properties (4)

additional_info
SC345402
custom_field_two
3
customer
LACSD
datetime
2017-06-12T04:35:29-07:00