Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 21, 2019, 07:04 AM
  • 20 0053_20 0052_03212019_001550.mp4

Date
03/21/2019
W/O
756628
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18974
Time
12:04 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K6432
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 0053
Downstream MH
20 0052
Dir. of Survey
Downstream
Length Surveyed
344.1 ft.
Total Length
344.1 ft.
Structural Index
3
Structural Quick
3M2M
Structural Rating
340
O&M Index
2
O&M Quick
2M00
O&M Rating
136
Overall Index
2
Overall Quick
Overall Rating
476
Pipe schematic from manhole 20 0053 to 20 0052
MH: 20 0053MH: 20 0052downstream0 ft. MWM - Water Mark, 15 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 00530 ft. MWL - Water Level, 10 %of cross sectional area2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start2 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start51.7 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"164 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"273.6 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"333.7 ft. TBA - Tap Break-In Active, at 10 o'clock, -, within 8 inches of joint: NO, 6"341.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish341.2 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish341.2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish344.1 ft. AMH - Downstream Manhole, Survey Ends - 20 0052

Observation photos (3)

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

    2 ft. - Surface Spalling, 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

    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

Observations (14)

DistanceCodeObservation
0MWM
164TFC
341.2DAGS
344.1AMH20 0052
2SSS
0AMH20 0053
2DAGS
51.7TFC
341.2SAV
2SAV
341.2SSS
333.7TBA
0MWL
273.6TFC

Properties (6)

additional_info
SC365950
custom_field_two
2
customer
LACSD
datetime
2019-03-21T00:04:23-07:00
documentation
PRO PIPE
is_lateral_inspection
false