Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 20, 2017, 07:50 AM
  • 21 0722_21 0516 _20170420_015319.mp4

Date
04/20/2017
W/O
630300
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00768
PipeID
P15834
Time
12:50 AM
Certificate
U715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
4508
Sewer Name
21 FIRST STREET DIVERSION TRUNK
City
POMONA
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
20
Purpose
Routine Assessment
Project
WO_630300_TV21070_APR2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
21 0722
Downstream MH
21 0516
Dir. of Survey
Downstream
Length Surveyed
388 ft.
Total Length
388 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 0722 to 21 0516
MH: 21 0722MH: 21 0516downstream0 ft. MWM - Water Mark, 35 %of cross sectional area0 ft. MWL - Water Level, 15 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 07223.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start7.6 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES18.4 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start184.9 ft. TB - Tap Break-In, at 03 o'clock, -, within 8 inches of joint: NO, 4"205.5 ft. TB - Tap Break-In, at 03 o'clock, -, within 8 inches of joint: NO, 4"278.1 ft. TB - Tap Break-In, at 03 o'clock, -, within 8 inches of joint: NO, 4"387.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish388 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish388 ft. AMH - Downstream Manhole, Survey Ends - 21 0516

Observation photos (3)

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

    3.6 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

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

  • Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

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

Observations (12)

DistanceCodeObservation
388CM
388AMH21 0516
18.4CM
184.9TB
3.6DAGS
0MWM
0MWL
205.5TB
278.1TB
7.6CM
387.9DAGS
0AMH21 0722

Properties (5)

additional_info
SC340722
custom_field_two
3
customer
LACSD
datetime
2017-04-20T00:50:30-07:00
sewer_category
Gravity