Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 19, 2019, 05:58 AM
  • 21 0469_21 0468 _04182019_231121.mp4

Date
04/18/2019
W/O
761208
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00777
PipeID
P15679
Time
10:58 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 0469
Downstream MH
21 0468
Dir. of Survey
Downstream
Length Surveyed
353 ft.
Total Length
353 ft.
Structural Index
3
Structural Quick
3300
Structural Rating
9
O&M Index
2
O&M Quick
2111
O&M Rating
3
Overall Index
2
Overall Quick
Overall Rating
12
Pipe schematic from manhole 21 0469 to 21 0468
MH: 21 0469MH: 21 0468downstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MWL - Water Level, 15 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 04692 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start12.1 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start140.3 ft. RFJ - Roots Fine Joint, at 08 o'clock, within 8 inches of joint: YES171.9 ft. FS - Fracture Spiral, from 04 to 06 o'clock, within 8 inches of joint: YES344.7 ft. FS - Fracture Spiral, from 02 to 06 o'clock, within 8 inches of joint: YES350.4 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish350.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish353 ft. MGO - General Observation - CONNECTION AT MH 9 O'CLOCK353 ft. AMH - Downstream Manhole, Survey Ends - 21 0468

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

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

  • Roots Fine Joint, at 08 o'clock, within 8 inches of joint: YES

    140.3 ft. - Roots Fine Joint, at 08 o'clock, within 8 inches of joint: YES

  • Fracture Spiral, from 04 to 06 o'clock, within 8 inches of joint: YES

    171.9 ft. - Fracture Spiral, from 04 to 06 o'clock, within 8 inches of joint: YES

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

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

Observations (12)

DistanceCodeObservation
0MWM
344.7FS
350.4CM
12.1CM
353MGOCONNECTION AT MH 9 O'CLOCK
0MWL
353AMH21 0468
140.3RFJ
0AMH21 0469
2DAGS
171.9FS
350.4DAGS

Properties (5)

additional_info
SC366225
custom_field_two
3
customer
LACSD
datetime
2019-04-18T22:58:01-07:00
is_lateral_inspection
false