Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 19, 2017, 09:36 AM
  • 21 0731_21 0730 _20170419_031016.mp4

Date
04/19/2017
W/O
630300
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00768
PipeID
P15843
Time
2:36 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
4507
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.
16
Purpose
Routine Assessment
Project
WO_630300_TV21070_APR2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
21 0731
Downstream MH
21 0730
Dir. of Survey
Downstream
Length Surveyed
393.3 ft.
Total Length
393.3 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 0731 to 21 0730
MH: 21 0731MH: 21 0730downstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MWM - Water Mark, 40 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 07315.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start7.8 ft. CM - Crack Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES28.6 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start393 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish393 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish393.3 ft. AMH - Downstream Manhole, Survey Ends - 21 0730

Observation photos (3)

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Start

    5.1 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

  • Crack Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES

    7.8 ft. - Crack Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES

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

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

Observations (9)

DistanceCodeObservation
0MWL
393DAGS
393CM
393.3AMH21 0730
28.6CM
0MWM
5.1DAGS
7.8CM
0AMH21 0731

Properties (5)

additional_info
SC340721
custom_field_two
3
customer
LACSD
datetime
2017-04-19T02:36:24-07:00
sewer_category
Gravity