Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 12, 2018, 04:49 PM
  • 05 1536_05 1535_3122018_095315.mp4

Date
03/12/2018
W/O
0674248
Weather
Dry
Operator/Surveyor
SANTIAGO OBREGON
Sewer ID
Z00495
PipeID
P06758
Time
9:49 AM
Certificate
U-1014-06022541
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
G7652
Sewer Name
05 NORTH TORRANCE TRUNK
City
TORRANCE
Loc. details
Other
Location Code
Z
Use of Sewer
Sanitary Sewer
District
District 05
Page No.
26
Purpose
Routine Assessment
Project
20180312SHO_NORTH_TORRANCE_TRUNK
Material
Reinforced Concrete Pipe
Shape
Circular
Height
24 in.
Upstream MH
05 1536
Downstream MH
05 1535
Dir. of Survey
Downstream
Length Surveyed
494.1 ft.
Total Length
494.1 ft.
Structural Index
2
Structural Quick
2111
Structural Rating
3
O&M Index
0
O&M Quick
0000
O&M Rating
0
Overall Index
2
Overall Quick
Overall Rating
3
Pipe schematic from manhole 05 1536 to 05 1535
MH: 05 1536MH: 05 1535downstream0 ft. MWL - Water Level, 30 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 09550 ft. MWM - Water Mark, 40 %of cross sectional area5.9 ft. MGO - General Observation - 50% MAG COAT THROUGHOUT54.6 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start102 ft. SRI - Surface Roughness Increased, from 11 to 01 o'clock, within 8 inches of joint: YES, Start489.3 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Finish489.3 ft. SRI - Surface Roughness Increased, from 11 to 01 o'clock, within 8 inches of joint: YES, Finish494.1 ft. AMH - Downstream Manhole, Survey Ends - 1015

Observation photos (3)

  • General Observation - 50% MAG COAT THROUGHOUT

    5.9 ft. - General Observation - 50% MAG COAT THROUGHOUT

  • Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

    54.6 ft. - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

  • Surface Roughness Increased, from 11 to 01 o'clock, within 8 inches of joint: YES, Start

    102 ft. - Surface Roughness Increased, from 11 to 01 o'clock, within 8 inches of joint: YES, Start

Observations (9)

DistanceCodeObservation
0MWL
54.6SSS
494.1AMH1015
489.3SSS
489.3SRI
0AMH0955
0MWM
5.9MGO50% MAG COAT THROUGHOUT
102SRI

Properties (4)

custom_field_three
SPALLING & SRI
custom_field_two
4
customer
LACSD
datetime
2018-03-12T09:49:08-07:00