Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jan 20, 2017, 06:43 PM
  • 21 1170A_21 1170 _20012017_104418.mpg

Date
01/20/2017
W/O
613609
Weather
Dry
Operator/Surveyor
B.FUGATE
Sewer ID
Z00763
PipeID
P15473
Time
10:43 AM
Certificate
U-508-7069
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K4131
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
WO_613609_TV21044_JAN2017
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
30 in.
Width
30 in.
Upstream MH
21 1170A
Downstream MH
21 1170
Dir. of Survey
Downstream
Length Surveyed
122.8 ft.
Total Length
122.9 ft.
Structural Index
3
Structural Quick
3D00
Structural Rating
72
O&M Index
3
O&M Quick
3D00
O&M Rating
72
Overall Index
3
Overall Quick
Overall Rating
144
Pipe schematic from manhole 21 1170A to 21 1170
MH: 21 1170AMH: 21 1170downstream0 ft. MGO - General Observation - CONNECTION AT MH 3 O'CLOCK0 ft. MWL - Water Level, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 1170A0 ft. MWM - Water Mark, 25 %of cross sectional area4 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start4 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Start122.9 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish122.9 ft. AMH - Downstream Manhole, Survey Ends - 21 1170122.9 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Finish

Observation photos (2)

  • Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    4 ft. - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • Deposits Settled Other,  15 %of cross sectional area, at 06 o'clock,  , within 8 inches of joint: YES, Start

    4 ft. - Deposits Settled Other, 15 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Start

Observations (9)

DistanceCodeObservation
0MGOCONNECTION AT MH 3 O'CLOCK
122.9SAV
122.9AMH21 1170
4SAV
122.9DSZ
0MWL
4DSZ
0AMH21 1170A
0MWM

Properties (5)

additional_info
SC306486
custom_field_two
3
customer
LACSD
datetime
2017-01-20T10:43:45-08:00
is_lateral_inspection
false