Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 19, 2019, 08:21 AM
  • 21 0472A_21 0472_04192019_013558.mp4

Date
04/19/2019
W/O
761208
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00777
PipeID
P15683
Time
1:21 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
Easement/Right of Way
Location Code
D
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 0472
Downstream MH
21 0472A
Dir. of Survey
Upstream
Length Surveyed
252.9 ft.
Total Length
252.9 ft.
Structural Index
3
Structural Quick
3100
Structural Rating
3
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
2
Overall Quick
Overall Rating
7
Pipe schematic from manhole 21 0472 to 21 0472A
MH: 21 0472MH: 21 0472Aupstream0 ft. MGO - General Observation - CONNECTION AT MH 3 O'CLOCK0 ft. AMH - Upstream Manhole, Survey Ends - 21 0472A0.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish31.5 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish163.3 ft. DAZ - Deposits Attached Other, 10 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES - MINERALS184.9 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start250.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start252.9 ft. AMH - Downstream Manhole, Survey Begins - 21 0472252.9 ft. MWL - Water Level, 10 %of cross sectional area252.9 ft. MWM - Water Mark, 20 %of cross sectional area

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

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

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

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

Observations (10)

DistanceCodeObservation
0AMH21 0472
252.9MGOCONNECTION AT MH 3 O'CLOCK
0MWL
0MWM
2DAGS
252.9AMH21 0472A
89.6DAZMINERALS
252.2DAGS
221.4CM
68CM

Properties (5)

additional_info
SC366225
custom_field_two
3
customer
LACSD
datetime
2019-04-19T01:21:11-07:00
is_lateral_inspection
false