Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Oct 6, 2017, 04:26 PM
Date
10/06/2017
W/O
657833
Weather
Dry
Operator/Surveyor
CORTEZ ESTEBAN
Sewer ID
Z00763
PipeID
P25688
Time
9:26 AM
Certificate
U-209-8148
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K5056
Sewer Name
21 DISTRICT #21 OUTFALL TRUNK
City
CITY OF IDUSTRY
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
28
Purpose
Routine Assessment
Project
WO_657833_TV21074_SEP2017
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
36 in.
Width
36 in.
Upstream MH
21 1297
Downstream MH
21 1296
Dir. of Survey
Downstream
Length Surveyed
185.6 ft.
Total Length
185.6 ft.
Structural Index
2
Structural Quick
2E00
Structural Rating
62
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
2
Overall Quick
Overall Rating
66
Pipe schematic from manhole 21 1297 to 21 1296
MH: 21 1297MH: 21 1296downstream0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 12970 ft. MWL - Water Level, 15 %of cross sectional area27 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - POSSIBLE VCP CORROSION48.6 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES76.6 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Start180 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish180.9 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Finish185.6 ft. AMH - Downstream Manhole, Survey Ends - 21 1296

Observation photos (1)

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

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

Observations (9)

DistanceCodeObservation
180SSS
76.6DSZ
185.6AMH21 1296
48.6DSZ
0MWM
0AMH21 1297
0MWL
27SSSPOSSIBLE VCP CORROSION
180.9DSZ

Properties (6)

custom_field_two
3
customer
LACSD
datetime
2017-10-06T09:26:54-07:00
documentation
PRO-PIPE
is_lateral_inspection
false
year_laid
38809