Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 28, 2021, 05:58 AM
  • A 0743_A 0742_07272021_231428.mp4

Date
07/27/2021
W/O
901661
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00314
PipeID
P07647
Time
10:58 PM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8689
Sewer Name
A JOA-1A CHINO BASIN WASTEWATER LINE
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_901661_TV21024_JUL2021
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
36 in.
Width
10 in.
Upstream MH
A 0743
Downstream MH
A 0742
Dir. of Survey
Downstream
Length Surveyed
401.1 ft.
Total Length
401.2 ft.
Structural Index
1
Structural Quick
1100
Structural Rating
1
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
2
Overall Quick
Overall Rating
3
Pipe schematic from manhole A 0743 to A 0742
MH: A 0743MH: A 0742downstream0 ft. AMH - Upstream Manhole, Survey Begins - A 07430 ft. MWL - Water Level, 15 %of cross sectional area0 ft. MWM - Water Mark, 30 %of cross sectional area6.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start6.4 ft. MGO - General Observation - MAG COATING6.4 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start398.9 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish398.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish401.2 ft. AMH - Downstream Manhole, Survey Ends - A0742

Observation photos (2)

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

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

  • Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    6.4 ft. - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

Observations (9)

DistanceCodeObservation
6.4DAGS
6.4MGOMAG COATING
401.2AMHA0742
398.9SRI
0AMHA 0743
0MWL
398.9DAGS
0MWM
6.4SRI

Properties (7)

additional_info
630138072721201
custom_field_three
MAG COATING COVERING PIPE
custom_field_two
5
customer
1
datetime
2021-07-27T22:58:52-07:00
documentation
PROPIPE
is_lateral_inspection
false