Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 19, 2019, 07:48 AM
  • 21 0471_21 0470 _04192019_010022.mp4

Date
04/19/2019
W/O
761208
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00777
PipeID
P15681
Time
12:48 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K6507
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
RFIR_WO_761208_TV21084_APR2019
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
21 0471
Downstream MH
21 0470
Dir. of Survey
Downstream
Length Surveyed
350 ft.
Total Length
350 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 0471 to 21 0470
MH: 21 0471MH: 21 0470downstream0 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 04712 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start10.2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start348.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish348.2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish350 ft. AMH - Downstream Manhole, Survey Ends - 21 0470

Observation photos (2)

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

    2 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

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

Observations (8)

DistanceCodeObservation
0MWL
350AMH21 0470
0MWM
10.2CM
348.2DAGS
0AMH21 0471
348.2CM
2DAGS

Properties (5)

additional_info
SC366225
custom_field_two
3
customer
LACSD
datetime
2019-04-19T00:48:52-07:00
is_lateral_inspection
false