Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 24, 2017, 08:43 AM
  • 21 0440_21 0439 _20170424_020143.mp4

Date
04/24/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15648
Time
1:43 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K4512
Sewer Name
21 MOUNT SAN ANTONIO TRUNK
City
CITY OF INDUSTRY
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
21 in.
Width
21 in.
Upstream MH
21 0440
Downstream MH
21 0439
Dir. of Survey
Downstream
Length Surveyed
348.6 ft.
Total Length
348.6 ft.
Structural Index
3
Structural Quick
3121
Structural Rating
5
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
2
Overall Quick
Overall Rating
9
Pipe schematic from manhole 21 0440 to 21 0439
MH: 21 0440MH: 21 0439downstream0 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 04405 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start100.6 ft. TB - Tap Break-In, at 12 o'clock, -, within 8 inches of joint: NO, 6"169.7 ft. CL - Crack Longitudinal, at 12 o'clock, within 8 inches of joint: YES175.4 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start201.9 ft. TBA - Tap Break-In Active, at 12 o'clock, -, within 8 inches of joint: NO, 6"303.5 ft. TBC - Tap Break-In Capped, at 12 o'clock, -, within 8 inches of joint: NO, 6"348 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish348 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish348.6 ft. AMH - Downstream Manhole, Survey Ends - 21 0439

Observation photos (3)

  • 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 Longitudinal, at 12 o'clock, within 8 inches of joint: YES

    169.7 ft. - Crack Longitudinal, at 12 o'clock, within 8 inches of joint: YES

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

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

Observations (12)

DistanceCodeObservation
348DAGS
5DAGS
0MWL
201.9TBA
100.6TB
0MWM
0AMH21 0440
348CM
303.5TBC
175.4CM
169.7CL
348.6AMH21 0439

Properties (4)

additional_info
SC340726
custom_field_two
4
customer
LACSD
datetime
2017-04-24T01:43:09-07:00