Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 22, 2017, 06:56 AM
  • 22 1241_22 1240 _09212017_235902.mp4

Date
09/21/2017
W/O
658224
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00806
PipeID
P16502
Time
11:56 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
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
32
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 1241
Downstream MH
22 1240
Dir. of Survey
Downstream
Length Surveyed
145.4 ft.
Total Length
145.4 ft.
Structural Index
2
Structural Quick
2100
Structural Rating
2
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
2
Overall Quick
Overall Rating
4
Pipe schematic from manhole 22 1241 to 22 1240
MH: 22 1241MH: 22 1240downstream0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 22 12410 ft. MWM - Water Mark, 25 %of cross sectional area2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - MAG COATING2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start145.4 ft. AMH - Downstream Manhole, Survey Ends - 22 1240145.4 ft. MGO - General Observation - CONNECTION AT 3OC145.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish145.4 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish

Observation photos (2)

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

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

  • 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

Observations (9)

DistanceCodeObservation
2SSSMAG COATING
2DAGS
145.4AMH22 1240
0MWL
145.4MGOCONNECTION AT 3OC
145.4DAGS
0AMH22 1241
145.4SSS
0MWM

Properties (6)

additional_info
SC345974
custom_field_two
3
customer
LACSD
datetime
2017-09-21T23:56:41-07:00
is_lateral_inspection
false
year_laid
29888