Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 27, 2021, 09:27 AM
  • A 0749_A 0748_07272021_024444.mp4

Date
07/27/2021
W/O
901661
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00314
PipeID
P07653
Time
2:27 AM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8688
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
21 in.
Upstream MH
A 0749
Downstream MH
A 0748
Dir. of Survey
Downstream
Length Surveyed
515 ft.
Total Length
515 ft.
Structural Index
2
Structural Quick
3111
Structural Rating
4
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
2
Overall Quick
Overall Rating
6
Pipe schematic from manhole A 0749 to A 0748
MH: A 0749MH: A 0748downstream0 ft. AMH - Upstream Manhole, Survey Begins - A 07490 ft. MWL - Water Level, 20 %of cross sectional area0 ft. MWM - Water Mark, 25 %of cross sectional area3.4 ft. MGO - General Observation - MAG COATING3.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start15.3 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start306.9 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start512.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish512.1 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish512.1 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish515 ft. MGO - General Observation - CONNECTION AT MH 3 O'CLOCK CAPPED515 ft. AMH - Downstream Manhole, Survey Ends - A 0748

Observation photos (3)

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

    3.4 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

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

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

    306.9 ft. - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

Observations (12)

DistanceCodeObservation
512.1DAGS
0AMHA 0749
0MWL
0MWM
515MGOCONNECTION AT MH 3 O'CLOCK CAPPED
15.3SRI
306.9SAV
3.4MGOMAG COATING
515AMHA 0748
512.1SRI
512.1SAV
3.4DAGS

Properties (7)

additional_info
630138072621201
custom_field_three
AGGREGATE VISIBLE
custom_field_two
3
customer
1
datetime
2021-07-27T02:27:23-07:00
documentation
PROPIPE
is_lateral_inspection
false