Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 6, 2021, 09:20 AM
  • 21 0786_21 0765_04062021_024553.mp4

Date
04/06/2021
W/O
887806
Weather
Dry
Operator/Surveyor
M.MARTINEZ
Sewer ID
Z00773
PipeID
P15900
Time
2:20 AM
Certificate
U-115-06022794
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8808
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 0765
Downstream MH
21 0786
Dir. of Survey
Upstream
Length Surveyed
376.4 ft.
Total Length
376.4 ft.
Structural Index
3
Structural Quick
4122
Structural Rating
8
O&M Index
0
O&M Quick
0000
O&M Rating
0
Overall Index
3
Overall Quick
Overall Rating
8
Pipe schematic from manhole 21 0765 to 21 0786
MH: 21 0765MH: 21 0786upstream0 ft. AMH - Upstream Manhole, Survey Ends - 21 078618.1 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES102.1 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish126.7 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start353.3 ft. RPP - Repair Patch, from 12 to 12 o'clock, within 8 inches of joint: YES - LINK PIPE365.3 ft. CL - Crack Longitudinal, at 04 o'clock, within 8 inches of joint: YES376.4 ft. AMH - Downstream Manhole, Survey Begins - 21 0765376.4 ft. MWL - Water Level, 10 %of cross sectional area376.4 ft. MWM - Water Mark, 15 %of cross sectional area

Observation photos (4)

  • Crack Longitudinal, at 04 o'clock, within 8 inches of joint: YES

    11.1 ft. - Crack Longitudinal, at 04 o'clock, within 8 inches of joint: YES

  • Repair Patch, from 12 to 12 o'clock, within 8 inches of joint: YES - LINK PIPE

    23.1 ft. - Repair Patch, from 12 to 12 o'clock, within 8 inches of joint: YES - LINK PIPE

  • Water Level, Sag in pipe, 10 %of cross sectional area, Start

    249.7 ft. - Water Level, Sag in pipe, 10 %of cross sectional area, Start

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

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

Observations (9)

DistanceCodeObservation
249.7MWLS
358.3FM
11.1CL
0AMH21 0765
376.4AMH21 0786
0MWL
23.1RPPLINK PIPE
274.3MWLS
0MWM

Properties (6)

custom_field_three
CRACK , FRACTURE
custom_field_two
3
customer
1
datetime
2021-04-06T02:20:32-07:00
documentation
PRO PIPE
is_lateral_inspection
false