Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 19, 2019, 06:19 AM
  • 21 0467A_21 0467 _04182019_232827.mp4

Date
04/18/2019
W/O
761208
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00777
PipeID
P15677
Time
11:19 PM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K6507
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.
17
Purpose
Routine Assessment
Project
RFIR_WO_761208_TV21084_APR2019
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
21 0467A
Downstream MH
21 0467
Dir. of Survey
Downstream
Length Surveyed
206.4 ft.
Total Length
206.4 ft.
Structural Index
3
Structural Quick
3200
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 0467A to 21 0467
MH: 21 0467AMH: 21 0467downstream0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 0467A0 ft. MGO - General Observation - CONNECTION AT MH 3 O'CLOCK0 ft. MWL - Water Level, 15 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start5.1 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start81.2 ft. DAZ - Deposits Attached Other, 5 %of cross sectional area, from 03 to 05 o'clock, , within 8 inches of joint: YES - MINERALS112 ft. FS - Fracture Spiral, from 02 to 06 o'clock, within 8 inches of joint: YES204.4 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish204.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish206.4 ft. AMH - Downstream Manhole, Survey Ends - 21 0467

Observation photos (4)

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

    2 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

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

  • Deposits Attached Other, 5 %of cross sectional area, from 03 to 05 o'clock,  , within 8 inches of joint: YES - MINERALS

    81.2 ft. - Deposits Attached Other, 5 %of cross sectional area, from 03 to 05 o'clock, , within 8 inches of joint: YES - MINERALS

  • Fracture Spiral, from 02 to 06 o'clock, within 8 inches of joint: YES

    112 ft. - Fracture Spiral, from 02 to 06 o'clock, within 8 inches of joint: YES

Observations (11)

DistanceCodeObservation
0MWM
204.4CM
0AMH21 0467A
112FS
206.4AMH21 0467
2DAGS
5.1CM
81.2DAZMINERALS
0MGOCONNECTION AT MH 3 O'CLOCK
0MWL
204.4DAGS

Properties (4)

additional_info
SC366225
customer
LACSD
datetime
2019-04-18T23:19:18-07:00
is_lateral_inspection
false