Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 17, 2021, 08:42 AM
  • 21 0258A_21 0258_09172021_014313.mp4

Date
09/17/2021
W/O
911341
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00763
PipeID
P15450
Time
1:42 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9369
Sewer Name
21 DISTRICT #21 OUTFALL TRUNK
City
WALNUT
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
36
Purpose
Routine Assessment
Project
WO_911341_TV21103_SEP2021
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
30 in.
Width
30 in.
Upstream MH
21 0258A
Downstream MH
21 0258
Dir. of Survey
Downstream
Length Surveyed
102.6 ft.
Total Length
102.6 ft.
Structural Index
3
Structural Quick
3121
Structural Rating
5
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
2
Overall Quick
Overall Rating
7
Pipe schematic from manhole 21 0258A to 21 0258
MH: 21 0258AMH: 21 0258downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 0258A0 ft. MWL - Water Level, 15 %of cross sectional area0 ft. MGO - General Observation - COCKROACHES IN MH0 ft. MWM - Water Mark, 25 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start2 ft. MGO - General Observation - MAG COAT2 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Start17.3 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"25.8 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start99.7 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish99.7 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish99.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish102.6 ft. MGO - General Observation - CONNECTION AT MH 3 AND 9 O'CLOCK102.6 ft. AMH - Downstream Manhole, Survey Ends - 21 0258

Observation photos (5)

  • General Observation - COCKROACHES IN MH

    0 ft. - General Observation - COCKROACHES IN MH

  • 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

  • General Observation - MAG COAT

    2 ft. - General Observation - MAG COAT

  • Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

    2 ft. - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

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

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

Observations (14)

DistanceCodeObservation
2DAGS
99.7SSS
2MGOMAG COAT
99.7SAV
102.6MGOCONNECTION AT MH 3 AND 9 O'CLOCK
99.7DAGS
0AMH21 0258A
17.3TFC
102.6AMH21 0258
0MWL
0MGOCOCKROACHES IN MH
25.8SSS
2SAV
0MWM

Properties (7)

additional_info
630069091621201
custom_field_three
SPALLING/VISIBLE AGGREGATE
custom_field_two
2
customer
1
datetime
2021-09-17T01:42:34-07:00
documentation
PRO PIPE
is_lateral_inspection
false