Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 24, 2017, 09:49 AM

  • 21 0448_21 0447 _20170424_034629.mp4

Date
04/24/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15657
Time
2:49 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
No Pre-Cleaning
Media Label
K4512
Sewer Name
21 MOUNT SAN ANTONIO TRUNK
City
WALNUT
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
28
Purpose
Routine Assessment
Project
WO_630321_TV21046_APR2017
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
21 0448
Downstream MH
21 0447
Dir. of Survey
Downstream
Length Surveyed
288 ft.
Total Length
288 ft.
Structural Index
3
Structural Quick
3400
Structural Rating
12
O&M Index
2
O&M Quick
2300
O&M Rating
6
Overall Index
3
Overall Quick
—
Overall Rating
18
Pipe schematic from manhole 21 0448 to 21 0447
MH: 21 0448MH: 21 0447downstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 04480 ft. MWL - Water Level, 10 %of cross sectional area5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start19.1 ft. TBC - Tap Break-In Capped, at 03 o'clock, -, within 8 inches of joint: NO, 6"53.1 ft. FS - Fracture Spiral, from 04 to 05 o'clock, within 8 inches of joint: YES68.1 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start114.2 ft. FS - Fracture Spiral, from 07 to 09 o'clock, within 8 inches of joint: YES121.3 ft. TBC - Tap Break-In Capped, at 03 o'clock, -, within 8 inches of joint: NO, 6"175.4 ft. FL - Fracture Longitudinal, at 10 o'clock, within 8 inches of joint: YES190.6 ft. MGO - General Observation - MH 21 0447A DOES NOT EXIST227.6 ft. TFC - Tap Factory Made Capped, at 03 o'clock, -, within 8 inches of joint: NO, 4"287.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish288 ft. MGO - General Observation - D/S MH CHANGE288 ft. AMH - Downstream Manhole, Survey Ends - 21 0447288 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, 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

    5 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 04 to 05 o'clock, within 8 inches of joint: YES

    53.1 ft. - Fracture Spiral, from 04 to 05 o'clock, within 8 inches of joint: YES

  • Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    68.1 ft. - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • Fracture Spiral, from 07 to 09 o'clock, within 8 inches of joint: YES

    114.2 ft. - Fracture Spiral, from 07 to 09 o'clock, within 8 inches of joint: YES

  • Fracture Longitudinal, at 10 o'clock, within 8 inches of joint: YES

    175.4 ft. - Fracture Longitudinal, at 10 o'clock, within 8 inches of joint: YES

All inspections of P15657Work order 630321

Observations (16)

DistanceCodeObservation
175.4FL—
0MWM—
0AMH21 0448
227.6TFC—
114.2FS—
0MWL—
19.1TBC—
53.1FS—
121.3TBC—
68.1CM—
287.9DAGS—
288MGOD/S MH CHANGE
5DAGS—
288AMH21 0447
288CM—
190.6MGOMH 21 0447A DOES NOT EXIST

Properties (4)

additional_info
SC340726
custom_field_two
2
customer
LACSD
datetime
2017-04-24T02:49:18-07:00