Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jun 9, 2017, 08:56 AM
  • 20 0281_20 0280 _09062017_015645.mp4

Date
06/09/2017
W/O
640674
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00751
PipeID
P19247
Time
1:56 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.
12
Purpose
Routine Assessment
Project
WO_640674_TV20031_JUN2017
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
20 0280
Downstream MH
20 0281
Dir. of Survey
Upstream
Length Surveyed
365.5 ft.
Total Length
365.5 ft.
Structural Index
3
Structural Quick
3N00
Structural Rating
219
O&M Index
2
O&M Quick
2N00
O&M Rating
146
Overall Index
3
Overall Quick
Overall Rating
365
Pipe schematic from manhole 20 0280 to 20 0281
MH: 20 0280MH: 20 0281upstream0 ft. AMH - Upstream Manhole, Survey Ends - 20 02811.1 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish1.1 ft. MGO - General Observation - COCKROACHES IN MANHOLE1.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish364 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start365.5 ft. MWM - Water Mark, 40 %of cross sectional area365.5 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start365.5 ft. AMH - Downstream Manhole, Survey Begins - 20 0280365.5 ft. MWL - Water Level, 25 %of cross sectional area

Observation photos (2)

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

    0 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 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

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

Observations (9)

DistanceCodeObservation
0MWM
0SAV
364.4SAV
364.4MGOCOCKROACHES IN MANHOLE
365.5AMH20 0281
364.4DAGS
0AMH20 0280
0MWL
1.5DAGS

Properties (6)

additional_info
SC345250
custom_field_two
3
customer
LACSD
datetime
2017-06-09T01:56:07-07:00
documentation
PRO PIPE
is_lateral_inspection
false