Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 22, 2019, 09:07 AM
  • 21 0453_21 0452 _04222019_021345.mp4

Date
04/22/2019
W/O
761208
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00777
PipeID
P15662
Time
2:07 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 0453
Downstream MH
21 0452
Dir. of Survey
Downstream
Length Surveyed
119.5 ft.
Total Length
119.5 ft.
Structural Index
2
Structural Quick
3123
Structural Rating
9
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
2
Overall Quick
Overall Rating
11
Pipe schematic from manhole 21 0453 to 21 0452
MH: 21 0453MH: 21 0452downstream0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 04532 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start26.5 ft. CS - Crack Spiral, from 08 to 10 o'clock, within 8 inches of joint: YES35.5 ft. CS - Crack Spiral, from 07 to 10 o'clock, within 8 inches of joint: YES46.6 ft. CS - Crack Spiral, from 08 to 12 o'clock, within 8 inches of joint: YES52.3 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start117.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish117.1 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish119.5 ft. AMH - Downstream Manhole, Survey Ends - 21 0452

Observation photos (5)

  • 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 Spiral, from 08 to 10 o'clock, within 8 inches of joint: YES

    26.5 ft. - Crack Spiral, from 08 to 10 o'clock, within 8 inches of joint: YES

  • Crack Spiral, from 07 to 10 o'clock, within 8 inches of joint: YES

    35.5 ft. - Crack Spiral, from 07 to 10 o'clock, within 8 inches of joint: YES

  • Crack Spiral, from 08 to 12 o'clock, within 8 inches of joint: YES

    46.6 ft. - Crack Spiral, from 08 to 12 o'clock, within 8 inches of joint: YES

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

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

Observations (11)

DistanceCodeObservation
35.5CS
46.6CS
117.1DAGS
52.3CM
26.5CS
0MWM
117.1CM
0MWL
2DAGS
0AMH21 0453
119.5AMH21 0452

Properties (5)

additional_info
SC366226
custom_field_two
3
customer
LACSD
datetime
2019-04-22T02:07:02-07:00
is_lateral_inspection
false