Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 25, 2017, 09:12 AM
  • 21 0461_21 0460 _20170425_025536.mp4

Date
04/25/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15670
Time
2:12 AM
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.
17
Purpose
Routine Assessment
Project
WO_630321_TV21046_APR2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
21 0460
Downstream MH
21 0461
Dir. of Survey
Upstream
Length Surveyed
354.6 ft.
Total Length
354.6 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 0460 to 21 0461
MH: 21 0460MH: 21 0461upstream0 ft. AMH - Upstream Manhole, Survey Ends - 21 04610 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish0 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish347.8 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SPORADIC CRACKS350.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start354.6 ft. AMH - Downstream Manhole, Survey Begins - 21 0460354.6 ft. MWM - Water Mark, 20 %of cross sectional area354.6 ft. MWL - Water Level, 10 %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

    4.4 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 - SPORADIC CRACKS

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

Observations (8)

DistanceCodeObservation
354.6AMH21 0461
354.6DAGS
6.8CMSPORADIC CRACKS
4.4DAGS
354.6CM
0AMH21 0460
0MWM
0MWL

Properties (5)

additional_info
SC340727
custom_field_two
3
customer
LACSD
datetime
2017-04-25T02:12:23-07:00
sewer_category
Gravity