Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Nov 5, 2021, 10:13 AM
  • 22 1373_22 1372_11052021_022059.mp4

Date
11/05/2021
W/O
921732
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00830
PipeID
P16679
Time
3:13 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9487
Sewer Name
22 WALNUT CREEK TRUNK, SECTS 1&2
City
WEST COVINA
Loc. details
Parking Lot
Location Code
G
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
32
Purpose
Routine Assessment
Project
RFIR_WO_921732_TV22163_NOV2021
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
22 1373
Downstream MH
22 1372
Dir. of Survey
Downstream
Length Surveyed
106.9 ft.
Total Length
106.9 ft.
Structural Index
4
Structural Quick
4200
Structural Rating
8
O&M Index
2
O&M Quick
412C
O&M Rating
46
Overall Index
2
Overall Quick
Overall Rating
54
Pipe schematic from manhole 22 1373 to 22 1372
MH: 22 1373MH: 22 1372downstream0 ft. MWM - Water Mark, 50 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 22 13730 ft. MWL - Water Level, 25 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start9.8 ft. FM - Fracture Multiple, from 08 to 01 o'clock, within 8 inches of joint: YES15.9 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES104.8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish106.9 ft. AMH - Downstream Manhole, Survey Ends - 22 1372

Observation photos (3)

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

  • Fracture Multiple, from 08 to 01 o'clock, within 8 inches of joint: YES

    9.8 ft. - Fracture Multiple, from 08 to 01 o'clock, within 8 inches of joint: YES

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

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

Observations (8)

DistanceCodeObservation
9.8FM
0MWM
106.9AMH22 1372
0AMH22 1373
104.8DAGS
0MWL
15.9FM
2DAGS

Properties (7)

additional_info
630069110421202
custom_field_three
MULTIPLE FRACTURES
custom_field_two
2
customer
1
datetime
2021-11-05T03:13:39-07:00
documentation
PRO PIPE
is_lateral_inspection
false