Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 26, 2017, 05:19 AM
  • 21 0466_21 0465 _20170425_233640.mp4

Date
04/25/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15675
Time
10:19 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 0466
Downstream MH
21 0465
Dir. of Survey
Downstream
Length Surveyed
246.8 ft.
Total Length
246.8 ft.
Structural Index
3
Structural Quick
3200
Structural Rating
6
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
8
Pipe schematic from manhole 21 0466 to 21 0465
MH: 21 0466MH: 21 0465downstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 04660 ft. MWL - Water Level, 10 %of cross sectional area4.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start20.2 ft. FS - Fracture Spiral, from 02 to 06 o'clock, within 8 inches of joint: YES25.4 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start246.7 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish246.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish246.8 ft. AMH - Downstream Manhole, Survey Ends - 21 0465

Observation photos (3)

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

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

  • Fracture Spiral, from 02 to 06 o'clock, within 8 inches of joint: YES

    20.2 ft. - Fracture Spiral, from 02 to 06 o'clock, within 8 inches of joint: YES

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

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

Observations (9)

DistanceCodeObservation
0MWM
4.5DAGS
0AMH21 0466
20.2FS
25.4CM
0MWL
246.7CM
246.7DAGS
246.8AMH21 0465

Properties (4)

additional_info
SC340728
custom_field_two
3
customer
LACSD
datetime
2017-04-25T22:19:00-07:00