Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 22, 2017, 05:48 AM
  • 22 1246_22 1245 _09212017_225045.mp4

Date
09/21/2017
W/O
658224
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00806
PipeID
P16507
Time
10:48 PM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K4982
Sewer Name
22 DISTRICT #22 MAIN RELIEF TRUNK
City
COVINA
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
26
Purpose
Routine Assessment
Project
WO_658224_TV22095_SEP2017
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
24 in.
Width
24 in.
Upstream MH
22 1246
Downstream MH
22 1245
Dir. of Survey
Downstream
Length Surveyed
446 ft.
Total Length
446 ft.
Structural Index
3
Structural Quick
3121
Structural Rating
5
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
2
Overall Quick
Overall Rating
9
Pipe schematic from manhole 22 1246 to 22 1245
MH: 22 1246MH: 22 1245downstream0 ft. MWL - Water Level, 30 %of cross sectional area0 ft. MWM - Water Mark, 40 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 22 12463.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start6.5 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start6.5 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start397.8 ft. LLD - Alignment Left Down, 15 %, Start446 ft. AMH - Downstream Manhole, Survey Ends - 22 1245446 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish446 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish446 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish446 ft. LLD - Alignment Left Down, 15 %, Finish

Observation photos (3)

  • Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

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

  • Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    6.5 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    6.5 ft. - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

Observations (12)

DistanceCodeObservation
6.5SSS
0MWL
0MWM
0AMH22 1246
3.9DAGS
6.5SAV
446AMH22 1245
397.8LLD
446SSS
446SAV
446DAGS
446LLD

Properties (6)

additional_info
SC345974
custom_field_two
3
customer
LACSD
datetime
2017-09-21T22:48:29-07:00
is_lateral_inspection
false
year_laid
29888