Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 25, 2017, 05:36 AM

  • 21 0450A_21 0450 _20170424_225145.mp4

Date
04/24/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15660
Time
10:36 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 0450A
Downstream MH
21 0450
Dir. of Survey
Downstream
Length Surveyed
75.6 ft.
Total Length
75.6 ft.
Structural Index
3
Structural Quick
3100
Structural Rating
3
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
2
Overall Quick
—
Overall Rating
7
Pipe schematic from manhole 21 0450A to 21 0450
MH: 21 0450AMH: 21 0450downstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 0450A0 ft. MGO - General Observation - CONNECTION AT 3 OC0 ft. MWL - Water Level, 15 %of cross sectional area2.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start43.1 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start65.6 ft. TBC - Tap Break-In Capped, at 03 o'clock, -, within 8 inches of joint: NO, 6"75.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish75.5 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish75.6 ft. AMH - Downstream Manhole, Survey Ends - 21 0450

Observation photos (2)

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

    2.4 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

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

All inspections of P15660Work order 630321

Observations (10)

DistanceCodeObservation
0MWM—
0AMH21 0450A
75.4DAGS—
2.4DAGS—
0MGOCONNECTION AT 3 OC
65.6TBC—
0MWL—
43.1CM—
75.6AMH21 0450
75.5CM—

Properties (5)

additional_info
SC340727
custom_field_two
4
customer
LACSD
datetime
2017-04-24T22:36:58-07:00
sewer_category
Gravity