Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 21, 2017, 10:10 AM
  • 21 0442_21 0441 _20170421_041918.mp4

Date
04/21/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15650
Time
3:10 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K4511
Sewer Name
21 MOUNT SAN ANTONIO TRUNK
City
WALNUT
Loc. details
Easement/Right of Way
Location Code
D
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 0441
Downstream MH
21 0442
Dir. of Survey
Upstream
Length Surveyed
142.6 ft.
Total Length
142.6 ft.
Structural Index
2
Structural Quick
2100
Structural Rating
2
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
2
Overall Quick
Overall Rating
4
Pipe schematic from manhole 21 0441 to 21 0442
MH: 21 0441MH: 21 0442upstream0 ft. MWLS - Water Level, Sag in pipe, 15 %of cross sectional area, Finish0 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish0 ft. MSA - Survey Abandoned - REVERSAL COMPLETED53 ft. MWLS - Water Level, Sag in pipe, 15 %of cross sectional area, Start139.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start142.6 ft. MWM - Water Mark, 20 %of cross sectional area142.6 ft. MWL - Water Level, 10 %of cross sectional area142.6 ft. AMH - Downstream Manhole, Survey Begins - 21 0441142.6 ft. MGO - Reversal Inspection

Observation photos (1)

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

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

Observations (9)

DistanceCodeObservation
3.2DAGS
0MWM
0MWL
0AMH21 0441
142.6MWLS
89.6MWLS
142.6DAGS
0MGO
142.6MSAREVERSAL COMPLETED

Properties (6)

additional_info
SC340725
custom_field_two
4
customer
LACSD
datetime
2017-04-21T03:10:43-07:00
documentation
PROPIPE
is_lateral_inspection
false