Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 26, 2017, 09:16 AM
  • 21 0476_21 0475 _20170426_022927.mp4

Date
04/26/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15686
Time
2:16 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K4514
Sewer Name
21 MOUNT SAN ANTONIO TRUNK
City
WALNUT
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
17
Purpose
Routine Assessment
Project
WO_630321_TV21046_APR2017
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
21 0476
Downstream MH
21 0475
Dir. of Survey
Downstream
Length Surveyed
77.1 ft.
Total Length
77.1 ft.
Structural Index
3
Structural Quick
4121
Structural Rating
6
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
3
Overall Quick
Overall Rating
10
Pipe schematic from manhole 21 0476 to 21 0475
MH: 21 0476MH: 21 0475downstream0 ft. MWM - Water Mark, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 04760 ft. MWL - Water Level, 5 %of cross sectional area1.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start2 ft. FM - Fracture Multiple, from 09 to 03 o'clock, within 8 inches of joint: YES3.9 ft. MWLS - Water Level, Sag in pipe, 5 %of cross sectional area73.3 ft. DSGV - Deposits Settled Gravel, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: NO76.5 ft. MGO - General Observation - CONNECTION AT 3 OC77 ft. MGO - General Observation - ABANDONED CONNECTION AT 9 OC77 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish77.1 ft. AMH - Downstream Manhole, Survey Ends - 21 0475

Observation photos (2)

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

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

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

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

Observations (11)

DistanceCodeObservation
3.9MWLS
2FM
77.1AMH21 0475
0MWM
77MGOABANDONED CONNECTION AT 9 OC
76.5MGOCONNECTION AT 3 OC
1.9DAGS
73.3DSGV
0AMH21 0476
77DAGS
0MWL

Properties (4)

additional_info
SC340728
custom_field_two
4
customer
LACSD
datetime
2017-04-26T02:16:59-07:00