Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Dec 2, 2021, 05:25 PM
  • 29 0503A_29 0503_12022021_093253.mp4

Date
12/02/2021
W/O
926976
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z01090
PipeID
P24553
Time
9:25 AM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K9289
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.
04
Purpose
Routine Assessment
Project
RFIR_WO_926976_TV29057_DEC2021
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
8 in.
Width
8 in.
Upstream MH
29 0503A
Downstream MH
29 0503
Dir. of Survey
Downstream
Length Surveyed
17.5 ft.
Total Length
17.5 ft.
Structural Index
3
Structural Quick
4136
Structural Rating
28
O&M Index
2
O&M Quick
2300
O&M Rating
6
Overall Index
3
Overall Quick
Overall Rating
34
Pipe schematic from manhole 29 0503A to 29 0503
MH: 29 0503AMH: 29 0503downstream0 ft. AMH - Upstream Manhole, Survey Begins - 29 0503A0 ft. MWL - Water Level, 5 %of cross sectional area0 ft. MWM - Water Mark, 10 %of cross sectional area0 ft. MGO - General Observation - CONN @ MH 9 O'CLOCK/ACTIVE2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start2 ft. MMC - Material Change, Concrete pipe (non-reinfored) - NRCP2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start2.9 ft. FM - Fracture Multiple, from 11 to 01 o'clock, within 8 inches of joint: YES2.9 ft. SAV - Surface Aggregate Visible, from 07 to 05 o'clock, within 8 inches of joint: YES, Start15 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish15 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish15 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish15.5 ft. SAV - Surface Aggregate Visible, from 07 to 05 o'clock, within 8 inches of joint: YES, Finish17.5 ft. AMH - Downstream Manhole, Survey Ends - 29 050317.5 ft. MGO - General Observation - CONN @ MH 9 O'CLOCK/ACTIVE

Observation photos (2)

  • Fracture Multiple, from 11 to 01 o'clock, within 8 inches of joint: YES

    2.9 ft. - Fracture Multiple, from 11 to 01 o'clock, within 8 inches of joint: YES

  • Surface Aggregate Visible, from 07 to 05 o'clock, within 8 inches of joint: YES, Start

    2.9 ft. - Surface Aggregate Visible, from 07 to 05 o'clock, within 8 inches of joint: YES, Start

Observations (16)

DistanceCodeObservation
15CM
17.5AMH29 0503
2.9FM
17.5MGOCONN @ MH 9 O'CLOCK/ACTIVE
0AMH29 0503A
2.9SAV
0MWL
0MWM
2SSS
2CM
2MMCNRCP
15.5SAV
15DAGS
2DAGS
0MGOCONN @ MH 9 O'CLOCK/ACTIVE
15SSS

Properties (7)

additional_info
630098120221061
custom_field_three
FRACTURES
custom_field_two
3
customer
1
datetime
2021-12-02T09:25:49-08:00
documentation
PROPIPE
is_lateral_inspection
false