Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Oct 6, 2017, 04:51 PM
Date
10/06/2017
W/O
657833
Weather
Dry
Operator/Surveyor
CORTEZ ESTEBAN
Sewer ID
Z00763
PipeID
P25686
Time
9:51 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 1295
Downstream MH
21 0270A
Dir. of Survey
Downstream
Length Surveyed
230.2 ft.
Total Length
230.2 ft.
Structural Index
2
Structural Quick
2H00
Structural Rating
92
O&M Index
2
O&M Quick
2H00
O&M Rating
88
Overall Index
2
Overall Quick
Overall Rating
180
Pipe schematic from manhole 21 1295 to 21 0270A
MH: 21 1295MH: 21 0270Adownstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MGO - General Observation - SERVICE CONNECTION AT 9 O'CLOCK AT MH0 ft. AMH - Upstream Manhole, Survey Begins - 21 12950 ft. MWL - Water Level, 15 %of cross sectional area2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - POSSIBLE VCP CORROSION7.3 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Start225.9 ft. CL - Crack Longitudinal, at 12 o'clock, within 8 inches of joint: YES227 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish227.8 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Finish230.2 ft. AMH - Downstream Manhole, Survey Ends - 21 0270A

Observation photos (2)

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

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

  • Crack Longitudinal, at 12 o'clock, within 8 inches of joint: YES

    225.9 ft. - Crack Longitudinal, at 12 o'clock, within 8 inches of joint: YES

Observations (10)

DistanceCodeObservation
227SSS
2SSSPOSSIBLE VCP CORROSION
230.2AMH21 0270A
0MWM
225.9CL
0MGOSERVICE CONNECTION AT 9 O'CLOCK AT MH
7.3DSZ
0AMH21 1295
227.8DSZ
0MWL

Properties (7)

additional_info
SC346206
custom_field_two
4
customer
LACSD
datetime
2017-10-06T09:51:11-07:00
documentation
PRO-PIPE
is_lateral_inspection
false
year_laid
38809