Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Nov 12, 2021, 09:08 AM
  • 21 0400_21 0399_11122021_012154.mp4

Date
11/12/2021
W/O
921555
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00776
PipeID
P15606
Time
1:08 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9492
Sewer Name
21 LEMON AVENUE TRUNK
City
WALNUT
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
36
Purpose
Routine Assessment
Project
WO_921555_TV21050_NOV2021
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
21 0399
Downstream MH
21 0400
Dir. of Survey
Upstream
Length Surveyed
184.7 ft.
Total Length
184.7 ft.
Structural Index
4
Structural Quick
4131
Structural Rating
7
O&M Index
2
O&M Quick
2F00
O&M Rating
72
Overall Index
2
Overall Quick
Overall Rating
79
Pipe schematic from manhole 21 0399 to 21 0400
MH: 21 0399MH: 21 0400upstream0 ft. AMH - Upstream Manhole, Survey Ends - 21 04001.8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish9 ft. FM - Fracture Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES90.8 ft. CM - Crack Multiple, from 12 to 12 o'clock, within 8 inches of joint: NO182.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start184.7 ft. MWL - Water Level, 10 %of cross sectional area184.7 ft. AMH - Downstream Manhole, Survey Begins - 21 0399184.7 ft. MGO - General Observation - COCKROACHES IN MANHOLE184.7 ft. MWM - Water Mark, 20 %of cross sectional area

Observation photos (4)

  • General Observation - COCKROACHES IN MANHOLE

    0 ft. - General Observation - COCKROACHES IN MANHOLE

  • Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

  • Crack Multiple, from 12 to 12 o'clock, within 8 inches of joint: NO

    93.9 ft. - Crack Multiple, from 12 to 12 o'clock, within 8 inches of joint: NO

  • Fracture Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES

    175.7 ft. - Fracture Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES

Observations (9)

DistanceCodeObservation
0MWL
175.7FM
93.9CM
0AMH21 0399
184.7AMH21 0400
2DAGS
182.9DAGS
0MGOCOCKROACHES IN MANHOLE
0MWM

Properties (7)

additional_info
630069111221201
custom_field_three
FRACTURES/CRACKS
custom_field_two
2
customer
1
datetime
2021-11-12T01:08:43-08:00
documentation
PRO PIPE
is_lateral_inspection
false