Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 28, 2017, 08:44 AM

  • Section#10_B 0903_B 0902__9282017__G6834.mp4

Date
09/28/2017
W/O
0647702
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00922
PipeID
P20252
Time
1:44 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
G6834
Sewer Name
B JOINT OUTFALL B - UNIT 1A REPLACEMENT
City
CARSON
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 08
Page No.
14
Purpose
Routine Assessment
Project
20170923MDM_JOINT_OUTFALL_B_UNIT_1A_REPLACEMENT
Material
RC-PVC T-LOCK LINED
Shape
Rectangular
Height
0 in.
Upstream MH
B 0903
Downstream MH
B 0902
Dir. of Survey
Downstream
Length Surveyed
295.8 ft.
Total Length
295.8 ft.
Structural Index
3
Structural Quick
3J00
Structural Rating
171
O&M Index
5
O&M Quick
5100
O&M Rating
5
Overall Index
3
Overall Quick
—
Overall Rating
176
Pipe schematic from manhole B 0903 to B 0902
MH: B 0903MH: B 0902downstream0 ft. MWM - Water Mark, 80 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 2:40AM0 ft. MWL - Water Level, 70 %of cross sectional area1 ft. MGO - General Observation - MH # B902 IS UNMARKED SIPHON8 ft. MGO - General Observation - RC-PVC T- LOCK LINER9 ft. LFB - Lining Failure Blistered, from 10 to 02 o'clock, within 8 inches of joint: YES, Start - SMALL15 ft. MGO - General Observation - RC-PVC T-LOCK LINER177.2 ft. MGO - General Observation - PIPE DROPS DOWN - APPERAS SMALLER OR SIPHON EFFECT190.4 ft. MGO - General Observation - ZOOM TO MH B902 -SLUDGE WALL258.4 ft. MGO - General Observation - SIPHON EFFECT295.4 ft. LFB - Lining Failure Blistered, from 10 to 02 o'clock, within 8 inches of joint: YES, Finish - SMALL BLISTERS295.8 ft. AMH - Downstream Manhole, Survey Ends - 3:10AM

Observation photos (6)

  • General Observation - RC-PVC T- LOCK LINER

    8 ft. - General Observation - RC-PVC T- LOCK LINER

  • Lining Failure Blistered, from 10 to 02 o'clock, within 8 inches of joint: YES, Start - SMALL

    9 ft. - Lining Failure Blistered, from 10 to 02 o'clock, within 8 inches of joint: YES, Start - SMALL

  • General Observation - PIPE DROPS DOWN - APPERAS SMALLER OR SIPHON EFFECT

    177.2 ft. - General Observation - PIPE DROPS DOWN - APPERAS SMALLER OR SIPHON EFFECT

  • General Observation - ZOOM TO MH B902 -SLUDGE WALL

    190.4 ft. - General Observation - ZOOM TO MH B902 -SLUDGE WALL

  • General Observation - SIPHON EFFECT

    258.4 ft. - General Observation - SIPHON EFFECT

  • Downstream Manhole, Survey Ends - 3:10AM

    295.8 ft. - Downstream Manhole, Survey Ends - 3:10AM

All inspections of P20252Work order 0647702

Observations (12)

DistanceCodeObservation
0MWM—
295.4LFBSMALL BLISTERS
295.8AMH3:10AM
190.4MGOZOOM TO MH B902 -SLUDGE WALL
9LFBSMALL
0AMH2:40AM
258.4MGOSIPHON EFFECT
0MWL—
1MGOMH # B902 IS UNMARKED SIPHON
8MGORC-PVC T- LOCK LINER
15MGORC-PVC T-LOCK LINER
177.2MGOPIPE DROPS DOWN - APPERAS SMALLER OR SIPHON EFFECT

Properties (4)

custom_field_three
SMALL BLISTERS IN LINER
custom_field_two
4
customer
LACSD
datetime
2017-09-28T01:44:41-07:00