Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 26, 2017, 05:16 AM
  • 21 0468_21 0467A _20170425_225209.mp4

Date
04/25/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15678
Time
10:16 PM
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 0467A
Dir. of Survey
Downstream
Length Surveyed
141.2 ft.
Total Length
141.2 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 0467A
MH: 21 0468MH: 21 0467Adownstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 04680 ft. MWL - Water Level, 15 %of cross sectional area0 ft. MGO - General Observation - CONNECTION AT 9 OC0.1 ft. MWM - Water Mark, 20 %of cross sectional area2 ft. FS - Fracture Spiral, from 08 to 11 o'clock, within 8 inches of joint: YES2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start7.4 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start140.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish140.9 ft. MGO - General Observation - CONNECTION AT 3 OC140.9 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish141.2 ft. AMH - Downstream Manhole, Survey Ends - 21 0467A

Observation photos (3)

  • Fracture Spiral, from 08 to 11 o'clock, within 8 inches of joint: YES

    2 ft. - Fracture Spiral, from 08 to 11 o'clock, within 8 inches of joint: YES

  • 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

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

Observations (11)

DistanceCodeObservation
141.2AMH21 0467A
0AMH21 0468
0MWL
0MGOCONNECTION AT 9 OC
140.9DAGS
140.9MGOCONNECTION AT 3 OC
2FS
7.4CM
0.1MWM
140.9CM
2DAGS

Properties (4)

additional_info
SC340728
custom_field_two
3
customer
LACSD
datetime
2017-04-25T22:16:12-07:00