Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 14, 2021, 05:53 PM
  • 21 0791_21 0790A_04142021_111337.mp4

Date
04/14/2021
W/O
887806
Weather
Dry
Operator/Surveyor
N.ZAHREDDINE
Sewer ID
Z00773
PipeID
P15906
Time
10:53 AM
Certificate
U-109-7948
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8837
Sewer Name
21 LA VERNE TRUNK, SECTION 3
City
POMONA
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
09
Purpose
Routine Assessment
Project
CA_WO_887806
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
21 0791
Downstream MH
21 0790A
Dir. of Survey
Downstream
Length Surveyed
223.6 ft.
Total Length
223.7 ft.
Structural Index
4
Structural Quick
4200
Structural Rating
8
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
10
Pipe schematic from manhole 21 0791 to 21 0790A
MH: 21 0791MH: 21 0790Adownstream0 ft. MGO - General Observation - CONNECTION AT MH 9 O'CLOCK0 ft. AMH - Upstream Manhole, Survey Begins - 21 07910 ft. MWL - Water Level, 0 %of cross sectional area0 ft. MWM - Water Mark, 15 %of cross sectional area2 ft. DSF - Deposits Settled Fine, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DIRT29.6 ft. TF - Tap Factory Made, at 10 o'clock, -, within 8 inches of joint: NO, 4"170.8 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES196.8 ft. TF - Tap Factory Made, at 10 o'clock, -, within 8 inches of joint: NO, 4"201.1 ft. FM - Fracture Multiple, from 03 to 10 o'clock, within 8 inches of joint: YES223.7 ft. MSA - Survey Abandoned - DUE TO ABANDONED LINE, DEBRIS223.7 ft. DSF - Deposits Settled Fine, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish

Observation photos (4)

  • Deposits Settled Fine,  5 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start - DIRT

    2 ft. - Deposits Settled Fine, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DIRT

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

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

  • Fracture Multiple, from 03 to 10 o'clock, within 8 inches of joint: YES

    201.1 ft. - Fracture Multiple, from 03 to 10 o'clock, within 8 inches of joint: YES

  • Survey Abandoned - DUE TO ABANDONED LINE, DEBRIS

    223.7 ft. - Survey Abandoned - DUE TO ABANDONED LINE, DEBRIS

Observations (11)

DistanceCodeObservation
0MGOCONNECTION AT MH 9 O'CLOCK
201.1FM
223.7MSADUE TO ABANDONED LINE, DEBRIS
2DSFDIRT
223.7DSF
0AMH21 0791
170.8FM
0MWL
0MWM
29.6TF
196.8TF

Properties (6)

custom_field_three
MULTIPLE FRACTURE
custom_field_two
3
customer
1
datetime
2021-04-14T10:53:50-07:00
documentation
PROPIPE
is_lateral_inspection
false