Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Dec 6, 2021, 03:28 PM
  • 29 0393_29 0392_12062021_080623.mp4

Date
12/06/2021
W/O
926976
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z01090
PipeID
P24430
Time
7:28 AM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K9291
Sewer Name
29 ALAMITOS PUMPING PLANT SEWER
City
SIGNAL HILL
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 29
Page No.
03
Purpose
Routine Assessment
Project
RFIR_WO_926976_TV29057_DEC2021
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
8 in.
Width
8 in.
Upstream MH
29 0393
Downstream MH
29 0392
Dir. of Survey
Downstream
Length Surveyed
331 ft.
Total Length
331 ft.
Structural Index
2
Structural Quick
2L11
Structural Rating
131
O&M Index
3
O&M Quick
4324
O&M Rating
20
Overall Index
2
Overall Quick
Overall Rating
151
Pipe schematic from manhole 29 0393 to 29 0392
MH: 29 0393MH: 29 0392downstream0 ft. MWL - Water Level, 50 %of cross sectional area0 ft. MWM - Water Mark, 55 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 29 03930 ft. MGO - General Observation - ROACHES @ MH2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start4.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES4.5 ft. DSF - Deposits Settled Fine, 5 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Start6.3 ft. MCU - Camera Underwater, Start6.9 ft. JAM - Joint Angular Medium14.6 ft. MCU - Camera Underwater, Finish17.7 ft. DSF - Deposits Settled Fine, 5 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Finish17.8 ft. MWL - Water Level, 15 %of cross sectional area80 ft. MWM - Water Mark, 20 %of cross sectional area242.1 ft. TFC - Tap Factory Made Capped, at 11 o'clock, -, within 8 inches of joint: NO, 6"328 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish329 ft. MGO - General Observation - ROACHES @ MH331 ft. AMH - Downstream Manhole, Survey Ends - 29 0392

Observation photos (3)

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES

    4.5 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES

  • Deposits Settled Fine,  5 %of cross sectional area, at 06 o'clock,  , within 8 inches of joint: YES, Start

    4.5 ft. - Deposits Settled Fine, 5 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Start

  • Joint Angular Medium

    6.9 ft. - Joint Angular Medium

Observations (17)

DistanceCodeObservation
242.1TFC
6.3MCU
17.7DSF
17.8MWL
14.6MCU
4.5DAGS
0MWL
80MWM
4.5DSF
328SSS
0MWM
2SSS
329MGOROACHES @ MH
0AMH29 0393
0MGOROACHES @ MH
6.9JAM
331AMH29 0392

Properties (7)

additional_info
630098120621061
custom_field_three
SPALLING
custom_field_two
3
customer
1
datetime
2021-12-06T07:28:23-08:00
documentation
PROPIPE
is_lateral_inspection
false