Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 19, 2019, 06:29 AM
  • 21 0467_21 0466 _04182019_234526.mp4

Date
04/18/2019
W/O
761208
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00777
PipeID
P15676
Time
11:29 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 0467
Downstream MH
21 0466
Dir. of Survey
Downstream
Length Surveyed
344.3 ft.
Total Length
344.3 ft.
Structural Index
3
Structural Quick
3200
Structural Rating
6
O&M Index
2
O&M Quick
2300
O&M Rating
6
Overall Index
2
Overall Quick
Overall Rating
12
Pipe schematic from manhole 21 0467 to 21 0466
MH: 21 0467MH: 21 0466downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 04670 ft. MWM - Water Mark, 25 %of cross sectional area0 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, Start10.5 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start10.5 ft. DAZ - Deposits Attached Other, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES24 ft. DAZ - Deposits Attached Other, 10 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Start - MINERALS286.2 ft. DAZ - Deposits Attached Other, 10 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Finish324.2 ft. FS - Fracture Spiral, from 02 to 06 o'clock, within 8 inches of joint: YES344.2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish344.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish344.3 ft. AMH - Downstream Manhole, Survey Ends - 21 0466

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 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

    10.5 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 08 to 04 o'clock,  , within 8 inches of joint: YES

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

  • Deposits Attached Other, 10 %of cross sectional area, from 08 to 04 o'clock,  , within 8 inches of joint: YES, Start - MINERALS

    24 ft. - Deposits Attached Other, 10 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Start - MINERALS

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

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

Observations (12)

DistanceCodeObservation
0AMH21 0467
10.5CM
0MWM
0MWL
344.2CM
344.3AMH21 0466
10.5DAZ
2DAGS
286.2DAZ
324.2FS
24DAZMINERALS
344.2DAGS

Properties (5)

additional_info
SC366225
custom_field_two
3
customer
LACSD
datetime
2019-04-18T23:29:50-07:00
is_lateral_inspection
false