Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jan 20, 2021, 08:06 AM
  • B 1521_B 1510_01202021_002943.mp4

Date
01/20/2021
W/O
864943
Weather
Dry
Operator/Surveyor
M.MARTINEZ
Sewer ID
Z01124
PipeID
P25636
Time
12:06 AM
Certificate
U-115-06022794
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8384
Sewer Name
B JOINT OUTFALL B - UNIT 6G
City
ALHAMBRA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 16
Page No.
23
Purpose
Routine Assessment
Project
RFIR_WO_864943_TV16038_DEC2020
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
36 in.
Width
36 in.
Upstream MH
B 1521
Downstream MH
B 1510
Dir. of Survey
Downstream
Length Surveyed
176.8 ft.
Total Length
176.8 ft.
Structural Index
2
Structural Quick
2200
Structural Rating
4
O&M Index
3
O&M Quick
3100
O&M Rating
3
Overall Index
2
Overall Quick
Overall Rating
7
Pipe schematic from manhole B 1521 to B 1510
MH: B 1521MH: B 1510downstream0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - B 15210 ft. MWM - Water Mark, 35 %of cross sectional area9.7 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES120.2 ft. TB - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: YES, 15"174.6 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES174.6 ft. OBM - Obstacles Pipe Material, 20 %of cross sectional area, from 07 to 05 o'clock176.8 ft. MSA - Survey Abandoned - PIPE MATERIAL

Observation photos (5)

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

    9.7 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES

  • Tap Break-In, at 10 o'clock, -, within 8 inches of joint: YES, 15"

    120.2 ft. - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: YES, 15"

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

    174.6 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES

  • Obstacles Pipe Material, 20 %of cross sectional area, from 07 to 05 o'clock

    174.6 ft. - Obstacles Pipe Material, 20 %of cross sectional area, from 07 to 05 o'clock

  • Survey Abandoned - PIPE MATERIAL

    176.8 ft. - Survey Abandoned - PIPE MATERIAL

Observations (8)

DistanceCodeObservation
174.6SSS
120.2TB
9.7SSS
0MWL
176.8MSAPIPE MATERIAL
0AMHB 1521
0MWM
174.6OBM

Properties (7)

custom_field_three
CLAY CROWN OF PIPE IN SEWER
custom_field_two
5
customer
1
datetime
2021-01-20T00:06:13-08:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
38891