Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Oct 22, 2020, 07:02 AM
  • 18 0971_18 0970_10222020_002505.mp4

Date
10/22/2020
W/O
0855366
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00716
PipeID
P14821
Time
12:02 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H1595T
Sewer Name
18 WORSHAM CREEK TRUNK
City
WHITTIER
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 18
Page No.
11
Purpose
Routine Assessment
Project
20201022MDM_WORSHAM_CREEK_TRUNK_T
Material
Vitrified Clay Pipe
Shape
Circular
Height
7.519999980926514 in.
Upstream MH
18 0971
Downstream MH
18 0970
Dir. of Survey
Downstream
Length Surveyed
329.6 ft.
Total Length
329.6 ft.
Structural Index
3
Structural Quick
3100
Structural Rating
3
O&M Index
3
O&M Quick
3821
O&M Rating
28
Overall Index
3
Overall Quick
Overall Rating
31
Pipe schematic from manhole 18 0971 to 18 0970
MH: 18 0971MH: 18 0970downstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MGO - General Observation - Conn. @ Mh, 9 O' Clock. Active0 ft. MWL - Water Level, 5 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 12:15AM8 ft. MGP - General Photograph - 7.5" VCP- PVCP LINER58.1 ft. RFC - Roots Fine Connection, from 01 to 02 o'clock, within 8 inches of joint: NO - 1%58.1 ft. TBD - Tap Break-In Defective, at 01 o'clock, -, , within 8 inches of joint: NO, 6" - OPEN 1%60.4 ft. TBD - Tap Break-In Defective, at 11 o'clock, -, , within 8 inches of joint: NO, 6" - Active-95%60.4 ft. RMC - Roots Medium Connection, from 10 to 11 o'clock, 5 %, within 8 inches of joint: NO82.5 ft. RMC - Roots Medium Connection, from 09 to 12 o'clock, 15 %, within 8 inches of joint: NO82.5 ft. TBD - Tap Break-In Defective, at 11 o'clock, -, , within 8 inches of joint: NO, 6" - Open-90% ROOTS102.1 ft. TBD - Tap Break-In Defective, at 01 o'clock, -, , within 8 inches of joint: NO, 6" - Open-70% ROOTS107.4 ft. TBC - Tap Break-In Capped, at 01 o'clock, -, within 8 inches of joint: NO, 6" - Capped161.6 ft. TB - Tap Break-In, at 11 o'clock, -, within 8 inches of joint: NO, 6" - Open205.6 ft. LFB - Lining Failure Blistered, from 08 to 02 o'clock, within 8 inches of joint: NO - VERY SMALL BLISTERS SPORATIC THROUGHOUT REACH211.2 ft. TBD - Tap Break-In Defective, at 01 o'clock, -, , within 8 inches of joint: NO, 6" - Open-90% ROOTS211.2 ft. RFC - Roots Fine Connection, from 01 to 02 o'clock, within 8 inches of joint: NO - 2%279.5 ft. TB - Tap Break-In, at 12 o'clock, -, within 8 inches of joint: NO, 6" - Open309.4 ft. TB - Tap Break-In, at 01 o'clock, -, within 8 inches of joint: NO, 6" - Open311.9 ft. TB - Tap Break-In, at 11 o'clock, -, within 8 inches of joint: NO, 6" - Open325.1 ft. LFZ - Lining Failure Other, from 09 to 11 o'clock, within 8 inches of joint: NO - SMALL INDENTATONS ON LINER326.5 ft. TBD - Tap Break-In Defective, at 01 o'clock, -, , within 8 inches of joint: NO, 6" - Open -10% ROOTS329.2 ft. MGO - General Observation - CHANNEL WALLS SEVRE CORROSION329.2 ft. MGO - General Observation - Conn. @ Mh, 9 O' Clock. Active329.6 ft. AMH - Downstream Manhole, Survey Ends - 12:55AM

Observation photos (3)

  • General Photograph - 7.5" VCP- PVCP LINER

    8 ft. - General Photograph - 7.5" VCP- PVCP LINER

  • Lining Failure Blistered, from 08 to 02 o'clock, within 8 inches of joint: NO - VERY SMALL BLISTERS SPORATIC THROUGHOUT REACH

    205.6 ft. - Lining Failure Blistered, from 08 to 02 o'clock, within 8 inches of joint: NO - VERY SMALL BLISTERS SPORATIC THROUGHOUT REACH

  • Lining Failure Other, from 09 to 11 o'clock, within 8 inches of joint: NO - SMALL INDENTATONS ON LINER

    325.1 ft. - Lining Failure Other, from 09 to 11 o'clock, within 8 inches of joint: NO - SMALL INDENTATONS ON LINER

Observations (25)

DistanceCodeObservation
279.5TBOpen
0MWM
211.2TBDOpen-90% ROOTS
8MGP7.5" VCP- PVCP LINER
329.6AMH12:55AM
329.2MGOCHANNEL WALLS SEVRE CORROSION
107.4TBCCapped
326.5TBDOpen -10% ROOTS
205.6LFBVERY SMALL BLISTERS SPORATIC THROUGHOUT REACH
0MGOConn. @ Mh, 9 O' Clock. Active
82.5RMC
309.4TBOpen
60.4TBDActive-95%
329.2MGOConn. @ Mh, 9 O' Clock. Active
0MWL
60.4RMC
58.1RFC1%
102.1TBDOpen-70% ROOTS
82.5TBDOpen-90% ROOTS
211.2RFC2%
325.1LFZSMALL INDENTATONS ON LINER
0AMH12:15AM
58.1TBDOPEN 1%
161.6TBOpen
311.9TBOpen

Properties (5)

customer
LACSD
datetime
2020-10-22T00:02:08-07:00
documentation
MARTIN,OLIVER 111,CASTILLO
is_lateral_inspection
false
lining
PVCP-Folded/Reformed