Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 25, 2017, 09:13 AM

  • 21 0462_21 0461 _20170425_032159.mp4

Date
04/25/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15671
Time
2:13 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
K4513
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
WO_630321_TV21046_APR2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
21 0461
Downstream MH
21 0462
Dir. of Survey
Upstream
Length Surveyed
351.7 ft.
Total Length
351.7 ft.
Structural Index
3
Structural Quick
4131
Structural Rating
9
O&M Index
3
O&M Quick
4121
O&M Rating
6
Overall Index
3
Overall Quick
—
Overall Rating
15
Pipe schematic from manhole 21 0461 to 21 0462
MH: 21 0461MH: 21 0462upstream0 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, 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. AMH - Upstream Manhole, Survey Ends - 21 0462190.8 ft. IR - Infiltration Runner, at 02 o'clock, within 8 inches of joint: YES309.4 ft. FM - Fracture Multiple, from 07 to 10 o'clock, within 8 inches of joint: YES335 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start340.1 ft. CS - Crack Spiral, from 07 to 09 o'clock, within 8 inches of joint: YES347.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start351.7 ft. MWM - Water Mark, 20 %of cross sectional area351.7 ft. AMH - Downstream Manhole, Survey Begins - 21 0461351.7 ft. MWL - Water Level, 10 %of cross sectional area

Observation photos (5)

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

    4 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 07 to 09 o'clock, within 8 inches of joint: YES

    11.6 ft. - Crack Spiral, from 07 to 09 o'clock, within 8 inches of joint: YES

  • 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

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

    42.3 ft. - Fracture Multiple, from 07 to 10 o'clock, within 8 inches of joint: YES

  • Infiltration Runner, at 02 o'clock, within 8 inches of joint: YES

    160.9 ft. - Infiltration Runner, at 02 o'clock, within 8 inches of joint: YES

All inspections of P15671Work order 630321

Observations (11)

DistanceCodeObservation
0MWM—
0AMH21 0461
160.9IR—
4DAGS—
11.6CS—
351.7CM—
16.7CM—
0MWL—
351.7DAGS—
42.3FM—
351.7AMH21 0462

Properties (5)

additional_info
SC340727
custom_field_two
3
customer
LACSD
datetime
2017-04-25T02:13:27-07:00
sewer_category
Gravity