Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 19, 2019, 08:30 AM
  • 20 0057_20 0056_03192019_014222.mp4

Date
03/19/2019
W/O
756628
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18978
Time
1:30 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K6430
Sewer Name
20 TRUNK "A"
City
PALMDALE
Loc. details
Main Highway - Suburban/Rural
Location Code
B
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
03
Purpose
Routine Assessment
Project
WO_756628_TV20026_MAR2019
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
24 in.
Width
24 in.
Upstream MH
20 0056
Downstream MH
20 0057
Dir. of Survey
Upstream
Length Surveyed
415.1 ft.
Total Length
415.1 ft.
Structural Index
3
Structural Quick
523O
Structural Rating
256
O&M Index
2
O&M Quick
2O00
O&M Rating
164
Overall Index
3
Overall Quick
Overall Rating
420
Pipe schematic from manhole 20 0056 to 20 0057
MH: 20 0056MH: 20 0057upstream0 ft. AMH - Upstream Manhole, Survey Ends - 20 00571.1 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish1.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish103.2 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"199.9 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"341.4 ft. SRV - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO405.3 ft. SRV - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO413.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start413.1 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start415.1 ft. MWM - Water Mark, 15 %of cross sectional area415.1 ft. AMH - Downstream Manhole, Survey Begins - 20 0056415.1 ft. MWL - Water Level, 10 %of cross sectional area

Observation photos (4)

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

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

  • 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

  • Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO

    9.8 ft. - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO

  • Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO

    73.7 ft. - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO

Observations (12)

DistanceCodeObservation
0MWM
0AMH20 0056
415.1AMH20 0057
9.8SRV
414SAV
311.9TFC
215.2TFC
2DAGS
414DAGS
2SAV
73.7SRV
0MWL

Properties (6)

additional_info
SC365948
custom_field_two
2
customer
LACSD
datetime
2019-03-19T01:30:46-07:00
documentation
PRO PIPE
is_lateral_inspection
false