Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 24, 2016, 05:53 AM
  • 21 0789_21 0788_20160323_232946.mp4

Date
03/23/2016
W/O
557615
Weather
Dry
Operator/Surveyor
J. HARTOOG
Sewer ID
Z00773
PipeID
P15903
Time
10:53 PM
Certificate
U-507-03-3386
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K3235
Sewer Name
21 LA VERNE TRUNK, SECTION 3
City
POMONA, CA
Loc. details
Parking Lot
Location Code
G
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
09
Purpose
Routine Assessment
Project
WO_557615_TV21048_2016MAR
Sewer Type
GRAVITY
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Upstream MH
21 0788
Downstream MH
21 0789
Dir. of Survey
Upstream
Length Surveyed
408.9 ft.
Total Length
408.9 ft.
Structural Index
2
Structural Quick
3122
Structural Rating
7
O&M Index
0
O&M Quick
0000
O&M Rating
0
Overall Index
2
Overall Quick
Overall Rating
7
Pipe schematic from manhole 21 0788 to 21 0789
MH: 21 0788MH: 21 0789upstream0 ft. AMH - Upstream Manhole, Survey Ends - 21 0789110.3 ft. TB - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: NO, 4"257.7 ft. TBA - Tap Break-In Active, at 10 o'clock, -, within 8 inches of joint: NO, 4"286.6 ft. FL - Fracture Longitudinal, at 11 o'clock, within 8 inches of joint: YES339.3 ft. SSS - Surface Spalling, from 11 to 01 o'clock, within 8 inches of joint: YES374.2 ft. SSS - Surface Spalling, at 12 o'clock, within 8 inches of joint: YES408.9 ft. MWL - Water Level, 5 %of cross sectional area408.9 ft. MGO - General Observation - LATERAL AT MH 9 OCLOCK408.9 ft. MWM - Water Mark, 10 %of cross sectional area408.9 ft. AMH - Downstream Manhole, Survey Begins - 21 0788408.9 ft. MGO - General Observation - LATERAL AT MH 3 OCLOCK

Observation photos (2)

  • Surface Spalling, at 12 o'clock, within 8 inches of joint: YES

    34.7 ft. - Surface Spalling, at 12 o'clock, within 8 inches of joint: YES

  • Fracture Longitudinal, at 11 o'clock, within 8 inches of joint: YES

    122.3 ft. - Fracture Longitudinal, at 11 o'clock, within 8 inches of joint: YES

Observations (11)

DistanceCodeObservation
0MWL
69.6SSS
408.9AMH21 0789
298.6TB
122.3FL
0MGOLATERAL AT MH 9 OCLOCK
0MWM
34.7SSS
0AMH21 0788
0MGOLATERAL AT MH 3 OCLOCK
151.2TBA

Properties (4)

additional_info
SC305326
custom_field_two
3
customer
LACSD
datetime
2016-03-23T22:53:02-07:00