Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jun 6, 2017, 05:50 AM
  • 21 0887_21 0886_06062017_002736.mp4

Date
06/05/2017
W/O
641200
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00775
PipeID
P15975
Time
10:50 PM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K4540
Sewer Name
21 LA VERNE-"B" STREET TRUNK
City
LA VERNE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
02
Purpose
Routine Assessment
Project
WO_641200_TV21051_JUN2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
21 0887
Downstream MH
21 0886
Dir. of Survey
Downstream
Length Surveyed
271.3 ft.
Total Length
271.3 ft.
Structural Index
2
Structural Quick
2A00
Structural Rating
22
O&M Index
2
O&M Quick
432J
O&M Rating
120
Overall Index
2
Overall Quick
Overall Rating
142
Pipe schematic from manhole 21 0887 to 21 0886
MH: 21 0887MH: 21 0886downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 08870 ft. MWL - Water Level, 25 %of cross sectional area0 ft. MWM - Water Mark, 60 %of cross sectional area0 ft. MGO - General Observation - CONNECTION AT 9 OC3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start81.1 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start105.4 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish118.6 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start145 ft. MCU - Camera Underwater, Start151 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish151 ft. MCU - Camera Underwater, Finish271.3 ft. AMH - Downstream Manhole, Survey Ends - 21 0886271.3 ft. MGO - General Observation - CONNECTION AT 9 OC271.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish

Observation photos (3)

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Start

    3 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

  • Water Level, Sag in pipe, 10 %of cross sectional area, Start

    81.1 ft. - Water Level, Sag in pipe, 10 %of cross sectional area, Start

  • Water Level, Sag in pipe, 10 %of cross sectional area, Start

    118.6 ft. - Water Level, Sag in pipe, 10 %of cross sectional area, Start

Observations (14)

DistanceCodeObservation
271.3AMH21 0886
3DAGS
105.4MWLS
0AMH21 0887
0MWL
151MWLS
145MCU
151MCU
0MWM
118.6MWLS
271.3MGOCONNECTION AT 9 OC
81.1MWLS
0MGOCONNECTION AT 9 OC
271.3DAGS

Properties (5)

additional_info
SC345355
custom_field_two
3
customer
LACSD
datetime
2017-06-05T22:50:36-07:00
sewer_category
Gravity