Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Feb 9, 2021, 08:42 PM
  • 21 0280_21 0279_02092021_131101.mp4

Date
02/09/2021
W/O
870709
Weather
Dry
Operator/Surveyor
N.ZAHREDDINE
Sewer ID
Z00763
PipeID
P15475
Time
12:42 PM
Certificate
U-109-7948
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8518
Sewer Name
21 DISTRICT #21 OUTFALL TRUNK
City
WALNUT
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
28
Purpose
Routine Assessment
Project
RFIR_WO_870709_TV21044_JAN2021
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
30 in.
Width
30 in.
Upstream MH
21 0280
Downstream MH
21 0279
Dir. of Survey
Downstream
Length Surveyed
373.9 ft.
Total Length
373.9 ft.
Structural Index
2
Structural Quick
2200
Structural Rating
4
O&M Index
2
O&M Quick
2M00
O&M Rating
142
Overall Index
2
Overall Quick
Overall Rating
146
Pipe schematic from manhole 21 0280 to 21 0279
MH: 21 0280MH: 21 0279downstream0 ft. MWM - Water Mark, 30 %of cross sectional area0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 02802 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start2.1 ft. MGO - General Observation - MAG COAT START2.9 ft. OBZ - Obstacles Other, 10 %of cross sectional area, from 04 to 08 o'clock, Start - DEBRIS UNDER WATER247.5 ft. SZ - Surface Other, from 03 to 05 o'clock, within 8 inches of joint: YES - UNATTACHED MAG OR CONCRETE PIECE360.1 ft. OBZ - Obstacles Other, 10 %of cross sectional area, from 04 to 08 o'clock, Finish - DEBRIS UNDER WATER370.9 ft. MGO - General Observation - MAG COAT END370.9 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish373.9 ft. AMH - Downstream Manhole, Survey Ends - 21 0279

Observation photos (2)

  • General Observation - MAG COAT START

    2.1 ft. - General Observation - MAG COAT START

  • Obstacles Other, 10 %of cross sectional area, from 04 to 08 o'clock, Start - DEBRIS UNDER WATER

    2.9 ft. - Obstacles Other, 10 %of cross sectional area, from 04 to 08 o'clock, Start - DEBRIS UNDER WATER

Observations (11)

DistanceCodeObservation
0MWM
0MWL
370.9MGOMAG COAT END
2.1MGOMAG COAT START
360.1OBZDEBRIS UNDER WATER
370.9SSS
2SSS
2.9OBZDEBRIS UNDER WATER
0AMH21 0280
247.5SZUNATTACHED MAG OR CONCRETE PIECE
373.9AMH21 0279

Properties (7)

additional_info
630074020921062
custom_field_three
DEBRIS UNDER WATER
custom_field_two
3
customer
1
datetime
2021-02-09T12:42:24-08:00
documentation
PRO PIPE
is_lateral_inspection
false