Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Dec 15, 2015, 06:52 AM
  • 18 0389_18 0388_20151214_230922.mp4

Date
12/14/2015
W/O
541799
Weather
Dry
Operator/Surveyor
J. HARTOOG
Sewer ID
Z00704
PipeID
P14222
Time
10:52 PM
Certificate
U-507-03-3386
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
k2888
Sewer Name
18 SORENSEN AVENUE RELIEF TRUNK
City
WHITTIER, CA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 18
Page No.
10
Purpose
Routine Assessment
Project
WO_541799_TV18054_DEC2015
Material
Vitrified Clay Pipe
Shape
Circular
Height
10 in.
Upstream MH
18 0389
Downstream MH
18 0388
Dir. of Survey
Downstream
Length Surveyed
176.4 ft.
Total Length
176.4 ft.
Structural Index
2
Structural Quick
2200
Structural Rating
4
O&M Index
2
O&M Quick
2F00
O&M Rating
70
Overall Index
2
Overall Quick
Overall Rating
74
Pipe schematic from manhole 18 0389 to 18 0388
MH: 18 0389MH: 18 0388downstream0 ft. AMH - Upstream Manhole, Survey Begins - 18 03890 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MWM - Water Mark, 40 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start23.9 ft. MWL - Water Level, 15 %of cross sectional area170.4 ft. MWLS - Water Level, Sag in pipe, 20 %of cross sectional area, Start176.4 ft. MSA - Survey Abandoned - due to large sag176.4 ft. MWLS - Water Level, Sag in pipe, 20 %of cross sectional area, Finish176.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish

Observation photos (2)

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

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

  • Water Level, Sag in pipe, 20 %of cross sectional area, Start

    170.4 ft. - Water Level, Sag in pipe, 20 %of cross sectional area, Start

Observations (9)

DistanceCodeObservation
170.4MWLS
176.4MSAdue to large sag
0AMH18 0389
23.9MWL
176.4MWLS
0MWL
2DAGS
0MWM
176.4DAGS

Properties (5)

additional_info
SC224464
custom_field_two
4
customer
LACSD
datetime
2015-12-14T22:52:51-08:00
sewer_category
GRAVITY