Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 25, 2017, 07:32 AM
  • 21 0455_21 0454 _20170425_014338.mp4

Date
04/25/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15664
Time
12:32 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.
28
Purpose
Routine Assessment
Project
WO_630321_TV21046_APR2017
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
21 0455
Downstream MH
21 0454
Dir. of Survey
Downstream
Length Surveyed
301.1 ft.
Total Length
301.1 ft.
Structural Index
3
Structural Quick
3100
Structural Rating
3
O&M Index
2
O&M Quick
2400
O&M Rating
8
Overall Index
2
Overall Quick
Overall Rating
11
Pipe schematic from manhole 21 0455 to 21 0454
MH: 21 0455MH: 21 0454downstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 04555 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start7.2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start89.8 ft. TBC - Tap Break-In Capped, at 03 o'clock, -, within 8 inches of joint: NO, 4"191.6 ft. TBC - Tap Break-In Capped, at 03 o'clock, -, within 8 inches of joint: NO, 4"288.1 ft. TBC - Tap Break-In Capped, at 03 o'clock, -, within 8 inches of joint: NO, 4"301.1 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish301.1 ft. AMH - Downstream Manhole, Survey Ends - 21 0454301.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish

Observation photos (2)

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

    5 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

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

Observations (11)

DistanceCodeObservation
7.2CM
301.1CM
191.6TBC
0MWL
0MWM
301.1AMH21 0454
288.1TBC
301.1DAGS
89.8TBC
5DAGS
0AMH21 0455

Properties (4)

additional_info
SC340727
custom_field_two
3
customer
LACSD
datetime
2017-04-25T00:32:40-07:00