Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 19, 2019, 06:11 AM
  • 21 0468_21 0467A _04182019_231859.mp4

Date
04/18/2019
W/O
761208
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00777
PipeID
P15678
Time
11:11 PM
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 0468
Downstream MH
21 0467A
Dir. of Survey
Downstream
Length Surveyed
144.8 ft.
Total Length
144.8 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 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. MWM - Water Mark, 20 %of cross sectional area0 ft. MGO - General Observation - CONNECTION AT MH 9 O'CLOCK2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start5.7 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start140.2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish143.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish144.8 ft. MGO - General Observation - CONNECTION AT MH 3 O'CLOCK144.8 ft. AMH - Downstream Manhole, Survey Ends - 21 0467A

Observation photos (2)

  • 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

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

Observations (10)

DistanceCodeObservation
144.8MGOCONNECTION AT MH 3 O'CLOCK
5.7CM
0AMH21 0468
0MWL
0MWM
2DAGS
140.2CM
0MGOCONNECTION AT MH 9 O'CLOCK
144.8AMH21 0467A
143.5DAGS

Properties (4)

additional_info
SC366225
customer
LACSD
datetime
2019-04-18T23:11:56-07:00
is_lateral_inspection
false