Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 20, 2017, 05:16 AM
  • 21 0728_21 0727 _20170419_225535.mp4

Date
04/19/2017
W/O
630300
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00768
PipeID
P15840
Time
10:16 PM
Certificate
U-715-07000770
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.
16
Purpose
Routine Assessment
Project
WO_630300_TV21070_APR2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
21 0728
Downstream MH
21 0727
Dir. of Survey
Downstream
Length Surveyed
381.2 ft.
Total Length
381.2 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 0728 to 21 0727
MH: 21 0728MH: 21 0727downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 07280 ft. MWL - Water Level, 35 %of cross sectional area0.2 ft. MWM - Water Mark, 40 %of cross sectional area0.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start228.3 ft. CM - Crack Multiple, from 09 to 03 o'clock, within 8 inches of joint: YES280.5 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start381.2 ft. AMH - Downstream Manhole, Survey Ends - 21 0727381.2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish381.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish

Observation photos (3)

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

    0.4 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 09 to 03 o'clock, within 8 inches of joint: YES

    228.3 ft. - Crack Multiple, from 09 to 03 o'clock, within 8 inches of joint: YES

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

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

Observations (9)

DistanceCodeObservation
280.5CM
381.2AMH21 0727
381.2CM
0.2MWM
0.4DAGS
228.3CM
381.2DAGS
0AMH21 0728
0MWL

Properties (5)

additional_info
SC340722
custom_field_two
3
customer
LACSD
datetime
2017-04-19T22:16:12-07:00
sewer_category
Gravity