Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 24, 2016, 07:15 AM
  • 21 0787_21 0786_20160324_004133.mp4

Date
03/24/2016
W/O
557615
Weather
Dry
Operator/Surveyor
J. HARTOOG
Sewer ID
Z00773
PipeID
P15901
Time
12:15 AM
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 0787
Downstream MH
21 0786
Dir. of Survey
Downstream
Length Surveyed
535.6 ft.
Total Length
535.6 ft.
Structural Index
3
Structural Quick
3321
Structural Rating
11
O&M Index
2
O&M Quick
2111
O&M Rating
3
Overall Index
2
Overall Quick
Overall Rating
14
Pipe schematic from manhole 21 0787 to 21 0786
MH: 21 0787MH: 21 0786downstream0 ft. MWL - Water Level, 5 %of cross sectional area0 ft. MWM - Water Mark, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 07872.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start107.5 ft. SSS - Surface Spalling, from 01 to 02 o'clock, within 8 inches of joint: YES216.4 ft. TB - Tap Break-In, at 12 o'clock, -, within 8 inches of joint: NO, 4"319.6 ft. TBA - Tap Break-In Active, at 10 o'clock, -, within 8 inches of joint: NO, 4"431.9 ft. CM - Crack Multiple, from 08 to 11 o'clock, within 8 inches of joint: YES487.6 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES495.3 ft. CM - Crack Multiple, from 08 to 11 o'clock, within 8 inches of joint: YES535.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish535.6 ft. AMH - Downstream Manhole, Survey Ends - 21 0786535.6 ft. VC - Vermin Cockroach, within 8 inches of joint: NO

Observation photos (5)

  • Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start

    2.6 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start

  • Tap Break-In, at 12 o'clock, -, within 8 inches of joint: NO, 4"

    216.4 ft. - Tap Break-In, at 12 o'clock, -, within 8 inches of joint: NO, 4"

  • Crack Multiple, from 08 to 11 o'clock, within 8 inches of joint: YES

    431.9 ft. - Crack Multiple, from 08 to 11 o'clock, within 8 inches of joint: YES

  • Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

    487.6 ft. - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

  • Crack Multiple, from 08 to 11 o'clock, within 8 inches of joint: YES

    495.3 ft. - Crack Multiple, from 08 to 11 o'clock, within 8 inches of joint: YES

Observations (13)

DistanceCodeObservation
2.6DAGS
216.4TB
487.6CM
0MWL
431.9CM
535.6DAGS
0MWM
535.6AMH21 0786
107.5SSS
0AMH21 0787
495.3CM
535.6VC
319.6TBA

Properties (5)

additional_info
SC305326
custom_field_two
4
customer
LACSD
datetime
2016-03-24T00:15:11-07:00
is_lateral_inspection
false