Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 26, 2017, 07:04 AM
  • 21 0469_21 0468 _20170426_002234.mp4

Date
04/26/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15679
Time
12:04 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K4514
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
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
21 0468
Downstream MH
21 0469
Dir. of Survey
Upstream
Length Surveyed
346.9 ft.
Total Length
346.9 ft.
Structural Index
3
Structural Quick
3200
Structural Rating
6
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
8
Pipe schematic from manhole 21 0468 to 21 0469
MH: 21 0468MH: 21 0469upstream0 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish0 ft. AMH - Upstream Manhole, Survey Ends - 21 04690 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish338.2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start344.8 ft. FS - Fracture Spiral, from 07 to 09 o'clock, within 8 inches of joint: YES344.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start346.9 ft. MWL - Water Level, 10 %of cross sectional area346.9 ft. MWM - Water Mark, 20 %of cross sectional area346.9 ft. AMH - Downstream Manhole, Survey Begins - 21 0468

Observation photos (3)

  • 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

  • Fracture Spiral, from 07 to 09 o'clock, within 8 inches of joint: YES

    2.1 ft. - Fracture 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

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

Observations (9)

DistanceCodeObservation
2.1FS
0MWL
0MWM
346.9CM
2DAGS
8.7CM
346.9AMH21 0469
346.9DAGS
0AMH21 0468

Properties (4)

additional_info
SC340728
custom_field_two
3
customer
LACSD
datetime
2017-04-26T00:04:17-07:00