Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 22, 2019, 09:40 AM
  • 21 0451_21 0450A _04222019_025215.mp4

Date
04/22/2019
W/O
761208
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00777
PipeID
P22996
Time
2:40 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K6508
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 0450A
Downstream MH
21 0451
Dir. of Survey
Upstream
Length Surveyed
272.7 ft.
Total Length
272.7 ft.
Structural Index
3
Structural Quick
3100
Structural Rating
3
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
5
Pipe schematic from manhole 21 0450A to 21 0451
MH: 21 0450AMH: 21 0451upstream0 ft. AMH - Upstream Manhole, Survey Ends - 21 04510.6 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish0.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish41.7 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"137.6 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"240.6 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"260.3 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start270.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start272.7 ft. AMH - Downstream Manhole, Survey Begins - 21 0450A272.7 ft. MGO - General Observation - CONNECTION AT MH 9 O'CLOCK272.7 ft. MWL - Water Level, 10 %of cross sectional area272.7 ft. MWM - Water Mark, 25 %of cross sectional area

Observation photos (2)

  • 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

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

Observations (12)

DistanceCodeObservation
32.1TFC
0AMH21 0450A
272.1CM
12.4CM
135.1TFC
272.1DAGS
0MGOCONNECTION AT MH 9 O'CLOCK
272.7AMH21 0451
231TFC
2DAGS
0MWL
0MWM

Properties (5)

additional_info
SC366226
custom_field_two
3
customer
LACSD
datetime
2019-04-22T02:40:37-07:00
is_lateral_inspection
false