Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 9, 2017, 08:12 AM
  • 20 0268_20 0267_09082017_011234.mp4

Date
08/09/2017
W/O
646483
Weather
Dry
Operator/Surveyor
B.FUGATE
Sewer ID
Z00751
PipeID
P19234
Time
1:12 AM
Certificate
U-508-7069
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K4775
Sewer Name
20 20TH STREET EAST RELIEF TRUNK
City
PALMDALE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
07
Purpose
Routine Assessment
Project
WO_646483_TV20002_JUL2017
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
20 0268
Downstream MH
20 0267
Dir. of Survey
Downstream
Length Surveyed
347.8 ft.
Total Length
347.8 ft.
Structural Index
3
Structural Quick
3M2K
Structural Rating
327
O&M Index
3
O&M Quick
3400
O&M Rating
12
Overall Index
3
Overall Quick
Overall Rating
339
Pipe schematic from manhole 20 0268 to 20 0267
MH: 20 0268MH: 20 0267downstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 02682.1 ft. MMC - Material Change, Concrete pipe (non-reinfored)3.3 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start4.5 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: NO, 6"47.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start273.8 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES332.5 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Start346 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish346 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish346 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Finish347.6 ft. MGO - General Observation - CONNECTION AT MH 9 O'CLOCK347.8 ft. AMH - Downstream Manhole, Survey Ends - 20 0267

Observation photos (5)

  • Material Change, Concrete pipe (non-reinfored)

    2.1 ft. - Material Change, Concrete pipe (non-reinfored)

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

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

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

    47.1 ft. - Surface Spalling, 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

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

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

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

Observations (14)

DistanceCodeObservation
0MWL
273.8DSZ
0MWM
346SAV
4.5TF
0AMH20 0268
346SSS
3.3SAV
2.1MMC
347.8AMH20 0267
346DSZ
47.1SSS
332.5DSZ
347.6MGOCONNECTION AT MH 9 O'CLOCK

Properties (3)

custom_field_two
2
customer
LACSD
datetime
2017-08-09T01:12:21-07:00