Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 19, 2019, 09:45 AM
  • 21 0457_21 0456 _04192019_025725.mp4

Date
04/19/2019
W/O
761208
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00777
PipeID
P15666
Time
2:45 AM
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.
28
Purpose
Routine Assessment
Project
RFIR_WO_761208_TV21084_APR2019
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
21 0457
Downstream MH
21 0456
Dir. of Survey
Downstream
Length Surveyed
351 ft.
Total Length
351 ft.
Structural Index
3
Structural Quick
3200
Structural Rating
6
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
8
Pipe schematic from manhole 21 0457 to 21 0456
MH: 21 0457MH: 21 0456downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 04570 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MWM - Water Mark, 20 %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, Start7.5 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start195 ft. FS - Fracture Spiral, from 03 to 06 o'clock, within 8 inches of joint: YES348.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish348.7 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish351 ft. AMH - Downstream Manhole, Survey Ends - 21 0456351 ft. MGO - General Observation - CONNECTION AT MH 3 O'CLOCK

Observation photos (3)

  • 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

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

  • Fracture Spiral, from 03 to 06 o'clock, within 8 inches of joint: YES

    195 ft. - Fracture Spiral, from 03 to 06 o'clock, within 8 inches of joint: YES

Observations (10)

DistanceCodeObservation
351AMH21 0456
0AMH21 0457
351MGOCONNECTION AT MH 3 O'CLOCK
348.7DAGS
0MWL
7.5CM
2DAGS
195FS
348.7CM
0MWM

Properties (5)

additional_info
SC366225
custom_field_two
3
customer
LACSD
datetime
2019-04-19T02:45:42-07:00
is_lateral_inspection
false