Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 25, 2017, 06:28 AM
  • 21 0448A_21 0448 _20170424_233558.mp4

Date
04/24/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15658
Time
11:28 PM
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.
28
Purpose
Routine Assessment
Project
WO_630321_TV21046_APR2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
21 0448A
Downstream MH
21 0448
Dir. of Survey
Downstream
Length Surveyed
68.3 ft.
Total Length
68.3 ft.
Structural Index
3
Structural Quick
3100
Structural Rating
3
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
5
Pipe schematic from manhole 21 0448A to 21 0448
MH: 21 0448AMH: 21 0448downstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 0448A3.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start59.9 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES68.3 ft. AMH - Downstream Manhole, Survey Ends - 21 044968.3 ft. MGO - General Observation - CONNECTION AT 3 OC68.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish

Observation photos (2)

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

    3.5 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

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

Observations (8)

DistanceCodeObservation
68.3AMH21 0449
0MWM
3.5DAGS
0MWL
68.3MGOCONNECTION AT 3 OC
0AMH21 0448A
59.9CM
68.3DAGS

Properties (5)

additional_info
SC340727
custom_field_two
4
customer
LACSD
datetime
2017-04-24T23:28:20-07:00
sewer_category
Gravity