Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 10, 2018, 09:50 AM
  • 21 0374_21 0373 _10042018_030634.mp4

Date
04/10/2018
W/O
696197
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00778
PipeID
P15576
Time
2:50 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K5564
Sewer Name
21 NOGALES STREET TRUNK
City
WALNUT
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
26
Purpose
Routine Assessment
Project
WO_696197_TV21095_APR2018
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
21 0373
Downstream MH
21 0374
Dir. of Survey
Upstream
Length Surveyed
285.1 ft.
Total Length
285.1 ft.
Structural Index
2
Structural Quick
2J00
Structural Rating
114
O&M Index
3
O&M Quick
3121
O&M Rating
5
Overall Index
2
Overall Quick
Overall Rating
119
Pipe schematic from manhole 21 0373 to 21 0374
MH: 21 0373MH: 21 0374upstream0 ft. MSA - Survey Abandoned - DUE TO ENCRUSTATION0.1 ft. MGO - General Observation - GREASE THROUGHOUT THE REACH 5% LESS0.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish0.1 ft. DAE - Deposits Attached Encrustation, 15 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES19.3 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES130.9 ft. TFA - Tap Factory Made Active, at 10 o'clock, -, within 8 inches of joint: NO, 4"283.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start285.1 ft. MWM - Water Mark, 20 %of cross sectional area285.1 ft. AMH - Downstream Manhole, Survey Begins - 21 0373285.1 ft. MWL - Water Level, 10 %of cross sectional area

Observation photos (2)

  • Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock,  , within 8 inches of joint: YES

    265.8 ft. - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES

  • Deposits Attached Encrustation, 15 %of cross sectional area, from 08 to 04 o'clock,  , within 8 inches of joint: YES

    285 ft. - Deposits Attached Encrustation, 15 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES

Observations (10)

DistanceCodeObservation
285MGOGREASE THROUGHOUT THE REACH 5% LESS
285SSS
154.2TFA
0MWM
285.1MSADUE TO ENCRUSTATION
2SSS
0AMH21 0373
285DAE
265.8DAE
0MWL

Properties (5)

additional_info
SC358523
custom_field_two
5
customer
LACSD
datetime
2018-04-10T02:50:11-07:00
is_lateral_inspection
false