Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 29, 2021, 05:03 AM
  • A 0731_A 0730_07282021_221633.mp4

Date
07/28/2021
W/O
901661
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00314
PipeID
P07635
Time
10:03 PM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8690
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.
19
Purpose
Routine Assessment
Project
WO_901661_TV21024_JUL2021
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
36 in.
Width
15 in.
Upstream MH
A 0731
Downstream MH
A 0730
Dir. of Survey
Downstream
Length Surveyed
347.6 ft.
Total Length
347.7 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 0731 to A 0730
MH: A 0731MH: A 0730downstream0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - A 07310 ft. MWL - Water Level, 20 %of cross sectional area4.2 ft. MGO - General Observation - MAG COATING4.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start6.8 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start345.8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish345.8 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish347.7 ft. AMH - Downstream Manhole, Survey Ends - A 0730

Observation photos (2)

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

    4.2 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

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

Observations (9)

DistanceCodeObservation
6.8SRI
345.8DAGS
0MWM
0AMHA 0731
4.2MGOMAG COATING
0MWL
345.8SRI
347.7AMHA 0730
4.2DAGS

Properties (7)

additional_info
630138072821201
custom_field_three
MAG COATING COVERING PIPE
custom_field_two
5
customer
1
datetime
2021-07-28T22:03:19-07:00
documentation
PROPIPE
is_lateral_inspection
false