Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Nov 18, 2014, 07:53 AM
  • 20 0549_20 0548_20141118_000612.mp4

Date
11/17/2014
W/O
469889
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00910
PipeID
P21224
Time
11:53 PM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K1907
Sewer Name
20 TRUNK "C" RELIEF
City
PALMDALE
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
06
Purpose
Routine Assessment
Project
WO_469889_TV20028_2014OCTOBER_1
Sewer Type
GRAVITY
Material
Vitrified Clay Pipe
Shape
Circular
Height
33 in.
Upstream MH
20 0549
Downstream MH
20 0548
Dir. of Survey
Downstream
Length Surveyed
341.4 ft.
Total Length
341.4 ft.
Structural Index
2
Structural Quick
2100
Structural Rating
2
O&M Index
2
O&M Quick
2L00
O&M Rating
132
Overall Index
2
Overall Quick
Overall Rating
134
Pipe schematic from manhole 20 0549 to 20 0548
MH: 20 0549MH: 20 0548downstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MWM - Water Mark, 15 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 05499.6 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Start135.8 ft. TB - Tap Break-In, at 12 o'clock, -, within 8 inches of joint: NO, 6"295.3 ft. CL - Crack Longitudinal, at 01 o'clock, within 8 inches of joint: YES341.4 ft. AMH - Downstream Manhole, Survey Ends - 20 0548341.4 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Finish

Observation photos (7)

  • Water Level, 10 %of cross sectional area

    0 ft. - Water Level, 10 %of cross sectional area

  • Water Mark, 15 %of cross sectional area

    0 ft. - Water Mark, 15 %of cross sectional area

  • Upstream Manhole, Survey Begins - 20 0549

    0 ft. - Upstream Manhole, Survey Begins - 20 0549

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

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

  • Tap Break-In, at 12 o'clock, -, within 8 inches of joint: NO, 6"

    135.8 ft. - Tap Break-In, at 12 o'clock, -, within 8 inches of joint: NO, 6"

  • Crack Longitudinal, at 01 o'clock, within 8 inches of joint: YES

    295.3 ft. - Crack Longitudinal, at 01 o'clock, within 8 inches of joint: YES

  • Downstream Manhole, Survey Ends - 20 0548

    341.4 ft. - Downstream Manhole, Survey Ends - 20 0548

Observations (8)

DistanceCodeObservation
341.4AMH20 0548
0MWL
295.3CL
135.8TB
341.4DAE
0MWM
9.6DAE
0AMH20 0549

Properties (5)

custom_field_two
4
customer
LACSD
datetime
2014-11-17T23:53:19-08:00
documentation
PRO PIPE
is_lateral_inspection
false