Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jun 6, 2017, 06:28 AM
Date
06/05/2017
W/O
641200
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00775
PipeID
P15974
Time
11:28 PM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
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.
05
Purpose
Routine Assessment
Project
WO_641200_TV21051_JUN2017
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
21 0886
Downstream MH
21 0885
Dir. of Survey
Downstream
Length Surveyed
333.3 ft.
Total Length
333.3 ft.
Structural Index
2
Structural Quick
4131
Structural Rating
27
O&M Index
2
O&M Quick
412L
O&M Rating
136
Overall Index
2
Overall Quick
Overall Rating
163
Pipe schematic from manhole 21 0886 to 21 0885
MH: 21 0886MH: 21 0885downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 08860 ft. MWM - Water Mark, 50 %of cross sectional area0 ft. MWL - Water Level, 25 %of cross sectional area2.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start70.9 ft. FS - Fracture Spiral, from 03 to 09 o'clock, within 8 inches of joint: YES135.9 ft. FM - Fracture Multiple, from 11 to 05 o'clock, within 8 inches of joint: YES209.1 ft. CL - Crack Longitudinal, at 11 o'clock, within 8 inches of joint: YES288.2 ft. MWLS - Water Level, Sag in pipe, 5 %of cross sectional area, Start333.3 ft. AMH - Downstream Manhole, Survey Ends - 21 0885333.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish333.3 ft. MWLS - Water Level, Sag in pipe, 5 %of cross sectional area, Finish

Observation photos (5)

  • Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

    2.7 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

  • Fracture Spiral, from 03 to 09 o'clock, within 8 inches of joint: YES

    70.9 ft. - Fracture Spiral, from 03 to 09 o'clock, within 8 inches of joint: YES

  • Fracture Multiple, from 11 to 05 o'clock, within 8 inches of joint: YES

    135.9 ft. - Fracture Multiple, from 11 to 05 o'clock, within 8 inches of joint: YES

  • Crack Longitudinal, at 11 o'clock, within 8 inches of joint: YES

    209.1 ft. - Crack Longitudinal, at 11 o'clock, within 8 inches of joint: YES

  • Water Level, Sag in pipe, 5 %of cross sectional area, Start

    288.2 ft. - Water Level, Sag in pipe, 5 %of cross sectional area, Start

Observations (11)

DistanceCodeObservation
0AMH21 0886
135.9FM
209.1CL
2.7DAGS
288.2MWLS
0MWM
333.3AMH21 0885
333.3DAGS
70.9FS
0MWL
333.3MWLS

Properties (4)

additional_info
SC345355
custom_field_two
2
customer
LACSD
datetime
2017-06-05T23:28:29-07:00