Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Feb 24, 2021, 07:18 PM
  • 21 1133_21 1132_02242021_113940.mp4

Date
02/24/2021
W/O
875034
Weather
Dry
Operator/Surveyor
M.MARTINEZ
Sewer ID
Z00780
PipeID
P16227
Time
11:18 AM
Certificate
U-115-06022794
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8620
Sewer Name
21 POMONA BOULEVARD INTERCEPTOR TRUNK
City
POMONA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
14
Purpose
Routine Assessment
Project
WO_875034_TV21019_FEB2021
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
33 in.
Width
33 in.
Upstream MH
21 1133
Downstream MH
21 1132
Dir. of Survey
Downstream
Length Surveyed
621.4 ft.
Total Length
621.4 ft.
Structural Index
3
Structural Quick
3O2O
Structural Rating
395
O&M Index
4
O&M Quick
4A00
O&M Rating
44
Overall Index
3
Overall Quick
Overall Rating
439
Pipe schematic from manhole 21 1133 to 21 1132
MH: 21 1133MH: 21 1132downstream0 ft. MWL - Water Level, 25 %of cross sectional area0 ft. MWM - Water Mark, 35 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 11332 ft. MGO - General Observation - pipe is vcp10.1 ft. LR - Alignment Right, 25 %, Start66.7 ft. LR - Alignment Right, 25 %, Finish168.3 ft. MGO - General Observation - MAG COAT END226.6 ft. MMC - Material Change, Concrete pipe (non-reinfored)226.6 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start226.7 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start619.4 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish619.8 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish621.4 ft. AMH - Downstream Manhole, Survey Ends - 21 1132

Observation photos (6)

  • General Observation - pipe is vcp

    2 ft. - General Observation - pipe is vcp

  • Alignment Right, 25 %, Start

    10.1 ft. - Alignment Right, 25 %, Start

  • General Observation - MAG COAT END

    168.3 ft. - General Observation - MAG COAT END

  • Material Change, Concrete pipe (non-reinfored)

    226.6 ft. - Material Change, Concrete pipe (non-reinfored)

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

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

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

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

Observations (13)

DistanceCodeObservation
0MWL
10.1LR
621.4AMH21 1132
619.8SAP
66.7LR
168.3MGOMAG COAT END
619.4SSS
226.7SSS
2MGOpipe is vcp
0MWM
226.6MMC
226.6SAP
0AMH21 1133

Properties (7)

custom_field_three
SPALLING, AGGREGATE PROJECTING
custom_field_two
3
customer
1
datetime
2021-02-24T11:18:10-08:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
30721