Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Feb 7, 2022, 09:40 AM
  • 30 0261_30 0256_02072022_020952.mp4

Date
02/07/2022
W/O
931809
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00876
PipeID
P17957
Time
1:40 AM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K9775
Sewer Name
30 PLAZA TRUNK
City
PALOS VERDES
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 30
Page No.
09
Purpose
Routine Assessment
Project
WO_931809_TV30046_JAN2022
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
30 0261
Downstream MH
30 0256
Dir. of Survey
Downstream
Length Surveyed
421.4 ft.
Total Length
421.4 ft.
Structural Index
2
Structural Quick
3125
Structural Rating
13
O&M Index
2
O&M Quick
2J00
O&M Rating
112
Overall Index
2
Overall Quick
Overall Rating
125
Pipe schematic from manhole 30 0261 to 30 0256
MH: 30 0261MH: 30 0256downstream0 ft. MWM - Water Mark, 15 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MGO - General Observation - CONN @ MH 9 O'CLOCK/UNKNOWN0 ft. AMH - Upstream Manhole, Survey Begins - 30 02610 ft. MGO - General Observation - LINED PIPE59.4 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start84.2 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish120.1 ft. DAZ - Deposits Attached Other, 5 %of cross sectional area, from 09 to 03 o'clock, , within 8 inches of joint: YES, Start336.5 ft. LFW - Lining Failure Wrinkled, from 09 to 04 o'clock, within 8 inches of joint: YES398.5 ft. DAZ - Deposits Attached Other, 5 %of cross sectional area, from 09 to 03 o'clock, , within 8 inches of joint: YES, Finish420.8 ft. MGO - General Observation - CONN @ MH 3 O'CLOCK/ACTIVE421.4 ft. AMH - Downstream Manhole, Survey Ends - 30 0256

Observation photos (3)

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

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

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

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

  • Lining Failure Wrinkled, from 09 to 04 o'clock, within 8 inches of joint: YES

    336.5 ft. - Lining Failure Wrinkled, from 09 to 04 o'clock, within 8 inches of joint: YES

Observations (12)

DistanceCodeObservation
120.1DAZ
336.5LFW
0MWM
84.2MWLS
398.5DAZ
420.8MGOCONN @ MH 3 O'CLOCK/ACTIVE
0MWL
421.4AMH30 0256
0MGOCONN @ MH 9 O'CLOCK/UNKNOWN
0AMH30 0261
0MGOLINED PIPE
59.4MWLS

Properties (9)

additional_info
630098020722001
custom_field_three
PIPE SAGS, LINER WRINKLED
custom_field_two
3
customer
1
datetime
2022-02-07T01:40:35-08:00
documentation
PROPIPE
is_lateral_inspection
false
lining
CIPP
year_laid
43272