Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Oct 18, 2019, 08:02 PM
  • 21 1297_21 1296 _101819_130355.mp4

Date
10/18/2019
W/O
787682
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00763
PipeID
P25688
Time
1:02 PM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K7063
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_787682_TV21096_SEP2019
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
36 in.
Width
36 in.
Upstream MH
21 1296
Downstream MH
21 1297
Dir. of Survey
Upstream
Length Surveyed
190.6 ft.
Total Length
190.6 ft.
Structural Index
2
Structural Quick
2100
Structural Rating
2
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
2
Overall Quick
Overall Rating
6
Pipe schematic from manhole 21 1296 to 21 1297
MH: 21 1296MH: 21 1297upstream0 ft. AMH - Upstream Manhole, Survey Ends - 21 12970.3 ft. MGO - General Observation - DIFFICULT ACCESS TO U/S MH1.5 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish4 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Finish54.5 ft. SSS - Surface Spalling, at 02 o'clock, within 8 inches of joint: NO97.4 ft. MGO - General Observation - CAMERA UNSTABLE DUE TO DEBRIS114.1 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start157.4 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Start190.6 ft. MWM - Water Mark, 30 %of cross sectional area190.6 ft. AMH - Downstream Manhole, Survey Begins - 21 1296190.6 ft. MWL - Water Level, 30 %of cross sectional area

Observation photos (3)

  • Downstream Manhole, Survey Begins - 21 1296

    0 ft. - Downstream Manhole, Survey Begins - 21 1296

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

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

  • Surface Spalling, at 02 o'clock, within 8 inches of joint: NO

    136.1 ft. - Surface Spalling, at 02 o'clock, within 8 inches of joint: NO

Observations (11)

DistanceCodeObservation
93.2MGOCAMERA UNSTABLE DUE TO DEBRIS
190.6AMH21 1297
189.1DSC
0MWM
0AMH21 1296
0MWL
136.1SSS
186.6DAE
76.5DSC
33.2DAE
190.3MGODIFFICULT ACCESS TO U/S MH

Properties (7)

additional_info
SC378663
custom_field_two
4
customer
LACSD
datetime
2019-10-18T13:02:46-07:00
documentation
PROPIPE
is_lateral_inspection
false
year_laid
38809