Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 25, 2017, 06:42 AM
  • 21 0453_21 0452 _20170425_002438.mp4

Date
04/24/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15662
Time
11:42 PM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K4513
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.
28
Purpose
Routine Assessment
Project
WO_630321_TV21046_APR2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
21 0452
Downstream MH
21 0453
Dir. of Survey
Upstream
Length Surveyed
120.2 ft.
Total Length
120.2 ft.
Structural Index
3
Structural Quick
3100
Structural Rating
3
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
5
Pipe schematic from manhole 21 0452 to 21 0453
MH: 21 0452MH: 21 0453upstream0 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish0 ft. AMH - Upstream Manhole, Survey Ends - 21 04530 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish113.5 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start115.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start120.2 ft. MWL - Water Level, 20 %of cross sectional area120.2 ft. AMH - Downstream Manhole, Survey Begins - 21 0452120.2 ft. MWM - Water Mark, 25 %of cross sectional area

Observation photos (2)

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

    4.3 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

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

Observations (8)

DistanceCodeObservation
0MWL
120.2DAGS
0AMH21 0452
0MWM
4.3DAGS
120.2AMH21 0453
120.2CM
6.7CM

Properties (5)

additional_info
SC340727
custom_field_two
3
customer
LACSD
datetime
2017-04-24T23:42:44-07:00
sewer_category
Gravity