Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 22, 2019, 09:52 AM
  • 21 0452_21 0451 _04222019_030144.mp4

Date
04/22/2019
W/O
761208
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00777
PipeID
P15661
Time
2:52 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K6508
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
RFIR_WO_761208_TV21084_APR2019
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
21 0451
Downstream MH
21 0452
Dir. of Survey
Upstream
Length Surveyed
233.2 ft.
Total Length
233.2 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 0451 to 21 0452
MH: 21 0451MH: 21 0452upstream0 ft. AMH - Upstream Manhole, Survey Ends - 21 04522.1 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish2.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish30.8 ft. TBA - Tap Break-In Active, at 02 o'clock, -, within 8 inches of joint: YES, 6"70.4 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"128.8 ft. TBA - Tap Break-In Active, at 12 o'clock, -, within 8 inches of joint: YES, 6"170.5 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"216.5 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start231.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start233.2 ft. MWL - Water Level, 10 %of cross sectional area233.2 ft. AMH - Downstream Manhole, Survey Begins - 21 0451233.2 ft. MWM - Water Mark, 25 %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

    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

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

Observations (12)

DistanceCodeObservation
104.4TBA
16.7CM
233.2AMH21 0452
62.7TFC
0MWL
231.1CM
231.1DAGS
0AMH21 0451
2DAGS
202.4TBA
162.8TFC
0MWM

Properties (5)

additional_info
SC366226
custom_field_two
3
customer
LACSD
datetime
2019-04-22T02:52:37-07:00
is_lateral_inspection
false