Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 25, 2017, 05:55 AM

  • 21 0449_21 0448A _20170424_232659.mp4

Date
04/24/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15658
Time
10:55 PM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
K4513
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 0449
Downstream MH
21 0448A
Dir. of Survey
Downstream
Length Surveyed
350.9 ft.
Total Length
350.9 ft.
Structural Index
4
Structural Quick
4232
Structural Rating
14
O&M Index
2
O&M Quick
2500
O&M Rating
10
Overall Index
3
Overall Quick
—
Overall Rating
24
Pipe schematic from manhole 21 0449 to 21 0448A
MH: 21 0449MH: 21 0448Adownstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MWL - Water Level, 15 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 04492.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start7.1 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start34.5 ft. TBC - Tap Break-In Capped, at 03 o'clock, -, within 8 inches of joint: NO, 6"78.7 ft. FS - Fracture Spiral, from 01 to 04 o'clock, within 8 inches of joint: YES136.5 ft. TBC - Tap Break-In Capped, at 03 o'clock, -, within 8 inches of joint: NO, 6", 6"237.1 ft. FM - Fracture Multiple, from 06 to 09 o'clock, within 8 inches of joint: YES239.2 ft. TBC - Tap Break-In Capped, at 03 o'clock, -, within 8 inches of joint: NO, 6"273.1 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES341.6 ft. TBC - Tap Break-In Capped, at 03 o'clock, -, within 8 inches of joint: NO, 6"350.9 ft. AMH - Downstream Manhole, Survey Ends - 21 0448A350.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish350.9 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish350.9 ft. MGO - General Observation - UNMAPPED MH 21 0448A

Observation photos (5)

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

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

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

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

  • Fracture Spiral, from 01 to 04 o'clock, within 8 inches of joint: YES

    78.7 ft. - Fracture Spiral, from 01 to 04 o'clock, within 8 inches of joint: YES

  • Fracture Multiple, from 06 to 09 o'clock, within 8 inches of joint: YES

    237.1 ft. - Fracture Multiple, from 06 to 09 o'clock, within 8 inches of joint: YES

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

    273.1 ft. - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

All inspections of P15658Work order 630321

Observations (16)

DistanceCodeObservation
34.5TBC—
350.9AMH21 0448A
273.1FM—
239.2TBC—
341.6TBC—
350.9DAGS—
136.5TBC—
2.5DAGS—
0MWM—
0MWL—
0AMH21 0449
78.7FS—
7.1CM—
350.9CM—
350.9MGOUNMAPPED MH 21 0448A
237.1FM—

Properties (4)

additional_info
SC340727
custom_field_two
2
customer
LACSD
datetime
2017-04-24T22:55:03-07:00