Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 11, 2019, 04:43 AM
  • 21 0601_21 0600 _10042019_215415.mp4

Date
04/10/2019
W/O
761818
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00786
PipeID
P15753
Time
9:43 PM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K6454
Sewer Name
21 TRI-CITIES OUTFALL TRUNK
City
POMONA
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
15
Purpose
Routine Assessment
Project
WO_761818_TV21081_APR2019
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
22 in.
Width
22 in.
Upstream MH
21 0601
Downstream MH
21 0600
Dir. of Survey
Downstream
Length Surveyed
362.2 ft.
Total Length
362.2 ft.
Structural Index
3
Structural Quick
3M2M
Structural Rating
353
O&M Index
2
O&M Quick
2M00
O&M Rating
142
Overall Index
2
Overall Quick
Overall Rating
495
Pipe schematic from manhole 21 0601 to 21 0600
MH: 21 0601MH: 21 0600downstream0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. MGO - General Observation - ACTIVE CONNECTION AT MH 3 O' AND 9'0 CLOCK0 ft. AMH - Upstream Manhole, Survey Begins - 21 06010 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 COATING THROUGHOUT 60%2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start3 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start178.6 ft. TB - Tap Break-In, at 02 o'clock, -, within 8 inches of joint: NO, 6"186.7 ft. TBA - Tap Break-In Active, at 11 o'clock, -, within 8 inches of joint: NO, 6"270.6 ft. TBA - Tap Break-In Active, at 02 o'clock, -, within 8 inches of joint: YES, 6"359.2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish359.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish362 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish362.2 ft. MGO - General Observation - ACTIVE CONNECTION AT MH 3 O'CLOCK362.2 ft. AMH - Downstream Manhole, Survey Ends - 21 0600

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

  • General Observation - MAG COATING THROUGHOUT 60%

    2 ft. - General Observation - MAG COATING THROUGHOUT 60%

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

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

Observations (16)

DistanceCodeObservation
362SSS
186.7TBA
178.6TB
0MWL
2DAGS
270.6TBA
362.2MGOACTIVE CONNECTION AT MH 3 O'CLOCK
0MGOACTIVE CONNECTION AT MH 3 O' AND 9'0 CLOCK
2MGOMAG COATING THROUGHOUT 60%
3SSS
0AMH21 0601
359.2SAP
359.2DAGS
0MWM
362.2AMH21 0600
2SAP

Properties (6)

additional_info
SC366222
custom_field_two
2
customer
LACSD
datetime
2019-04-10T21:43:28-07:00
documentation
PRO PIPE
is_lateral_inspection
false