Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Dec 27, 2021, 10:34 AM
  • 20 0115_20 0114_12272021_024852.mp4

Date
12/27/2021
W/O
926989
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00743
PipeID
P19037
Time
2:34 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9804
Sewer Name
20 TRUNK "B"
City
PALMDALE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
02
Purpose
Routine Assessment
Project
RFIR_WO_926989_TV20069_DEC2021
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
20 0114
Downstream MH
20 0115
Dir. of Survey
Upstream
Length Surveyed
260.4 ft.
Total Length
260.4 ft.
Structural Index
3
Structural Quick
3222
Structural Rating
10
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
2
Overall Quick
Overall Rating
12
Pipe schematic from manhole 20 0114 to 20 0115
MH: 20 0114MH: 20 0115upstream0 ft. AMH - Upstream Manhole, Survey Ends - 20 01150 ft. MGO - General Observation - CONNECTION AT MH 12 AND 3 O'CLOCK2.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish61 ft. CL - Crack Longitudinal, at 03 o'clock, within 8 inches of joint: YES83.2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES159.6 ft. FS - Fracture Spiral, from 01 to 03 o'clock, within 8 inches of joint: YES193.1 ft. CS - Crack Spiral, from 01 to 02 o'clock, within 8 inches of joint: YES258.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start260.4 ft. AMH - Downstream Manhole, Survey Begins - 20 0114260.4 ft. MWM - Water Mark, 15 %of cross sectional area260.4 ft. MWL - Water Level, 5 %of cross sectional area

Observation photos (4)

  • 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

  • Fracture Spiral, from 01 to 03 o'clock, within 8 inches of joint: YES

    100.8 ft. - Fracture Spiral, from 01 to 03 o'clock, within 8 inches of joint: YES

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

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

  • Crack Longitudinal, at 03 o'clock, within 8 inches of joint: YES

    199.4 ft. - Crack Longitudinal, at 03 o'clock, within 8 inches of joint: YES

Observations (11)

DistanceCodeObservation
0AMH20 0114
0MWM
258.1DAGS
100.8FS
199.4CL
177.2CM
0MWL
260.4AMH20 0115
260.4MGOCONNECTION AT MH 12 AND 3 O'CLOCK
2DAGS
67.3CS

Properties (7)

additional_info
630138122721002
custom_field_three
FRACTURE/CRACKS
custom_field_two
3
customer
1
datetime
2021-12-27T02:34:37-08:00
documentation
PRO PIPE
is_lateral_inspection
false