Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 19, 2019, 10:15 AM
  • 21 0462_21 0461 _04192019_032603.mp4

Date
04/19/2019
W/O
761208
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00777
PipeID
P15671
Time
3:15 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 0462
Downstream MH
21 0461
Dir. of Survey
Downstream
Length Surveyed
352.1 ft.
Total Length
352.1 ft.
Structural Index
3
Structural Quick
3300
Structural Rating
9
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
11
Pipe schematic from manhole 21 0462 to 21 0461
MH: 21 0462MH: 21 0461downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 04620 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MWM - Water Mark, 25 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start22.5 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start308.5 ft. FS - Fracture Spiral, from 02 to 05 o'clock, within 8 inches of joint: YES320.3 ft. FS - Fracture Spiral, from 03 to 06 o'clock, within 8 inches of joint: YES345.2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish351.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish352.1 ft. AMH - Downstream Manhole, Survey Ends - 21 0461

Observation photos (4)

  • 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

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

  • Fracture Spiral, from 02 to 05 o'clock, within 8 inches of joint: YES

    308.5 ft. - Fracture Spiral, from 02 to 05 o'clock, within 8 inches of joint: YES

  • Fracture Spiral, from 03 to 06 o'clock, within 8 inches of joint: YES

    320.3 ft. - Fracture Spiral, from 03 to 06 o'clock, within 8 inches of joint: YES

Observations (10)

DistanceCodeObservation
0AMH21 0462
0MWL
351.2DAGS
308.5FS
345.2CM
352.1AMH21 0461
320.3FS
0MWM
22.5CM
2DAGS

Properties (5)

additional_info
SC366225
custom_field_two
3
customer
LACSD
datetime
2019-04-19T03:15:32-07:00
is_lateral_inspection
false