Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 11, 2022, 08:33 AM
  • 21 0977_21 0976_03112022_014747.mp4

Date
03/11/2022
W/O
941466
Weather
Dry
Operator/Surveyor
M.MARTINEZ
Sewer ID
Z00784
PipeID
P16077
Time
12:33 AM
Certificate
U-115-06022794
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K9956
Sewer Name
21 SAN ANTONIO TRUNK
City
POMONA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
09
Purpose
Routine Assessment
Project
RFIR_WO_941466_TV21055_MAR2022
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
24 in.
Width
24 in.
Upstream MH
21 0977
Downstream MH
21 0976
Dir. of Survey
Downstream
Length Surveyed
99 ft.
Total Length
99 ft.
Structural Index
2
Structural Quick
3B2C
Structural Rating
78
O&M Index
2
O&M Quick
4128
O&M Rating
20
Overall Index
2
Overall Quick
Overall Rating
98
Pipe schematic from manhole 21 0977 to 21 0976
MH: 21 0977MH: 21 0976downstream0 ft. MWM - Water Mark, 60 %of cross sectional area0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 09777 ft. MGO - General Observation - MAG COATING7.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start28.4 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start60.6 ft. OBZ - Obstacles Other, 10 %of cross sectional area, at 06 o'clock, Start - UNDER FLOW98.5 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish98.5 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish98.5 ft. OBZ - Obstacles Other, 10 %of cross sectional area, at 06 o'clock, Finish - UNDER FLOW98.5 ft. MGO - General Observation - GIS CALLS FOR 99'99 ft. AMH - Downstream Manhole, Survey Ends - 21 0976

Observation photos (4)

  • General Observation - MAG COATING

    7 ft. - General Observation - MAG COATING

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

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

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

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

  • Obstacles Other, 10 %of cross sectional area, at 06 o'clock, Start - UNDER FLOW

    60.6 ft. - Obstacles Other, 10 %of cross sectional area, at 06 o'clock, Start - UNDER FLOW

Observations (12)

DistanceCodeObservation
0MWM
0MWL
98.5SSS
98.5SAP
7.1SSS
60.6OBZUNDER FLOW
0AMH21 0977
98.5OBZUNDER FLOW
98.5MGOGIS CALLS FOR 99'
99AMH21 0976
28.4SAP
7MGOMAG COATING

Properties (7)

additional_info
630098031022203
custom_field_three
SPALLING, AGGREGATE PROJECTING
custom_field_two
2
customer
1
datetime
2022-03-11T00:33:33-08:00
documentation
PRO PIPE
is_lateral_inspection
false