Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 26, 2017, 05:18 AM
  • 21 0467_21 0466 _20170425_232415.mp4

Date
04/25/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15676
Time
10:18 PM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K4514
Sewer Name
21 MOUNT SAN ANTONIO TRUNK
City
WALNUT
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
17
Purpose
Routine Assessment
Project
WO_630321_TV21046_APR2017
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
21 0467
Downstream MH
21 0466
Dir. of Survey
Downstream
Length Surveyed
347.7 ft.
Total Length
347.7 ft.
Structural Index
4
Structural Quick
5131
Structural Rating
8
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
10
Pipe schematic from manhole 21 0467 to 21 0466
MH: 21 0467MH: 21 0466downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 04670 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area4.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start7.6 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start325.4 ft. BSV - Broken Soil Visible, from 03 to 06 o'clock, within 8 inches of joint: YES347.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish347.6 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish347.7 ft. AMH - Downstream Manhole, Survey Ends - 21 0466

Observation photos (3)

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

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

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

    7.6 ft. - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • Broken Soil Visible, from 03 to 06 o'clock, within 8 inches of joint: YES

    325.4 ft. - Broken Soil Visible, from 03 to 06 o'clock, within 8 inches of joint: YES

Observations (9)

DistanceCodeObservation
347.6DAGS
347.7AMH21 0466
0AMH21 0467
0MWM
4.4DAGS
0MWL
7.6CM
347.6CM
325.4BSV

Properties (6)

additional_info
SC340728
custom_field_two
3
customer
LACSD
datetime
2017-04-25T22:18:07-07:00
documentation
PROPIPE
is_lateral_inspection
false