Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Feb 24, 2016, 11:45 AM
  • 21 1142_21 1141_20160224_050404.mp4

Date
02/24/2016
W/O
552368
Weather
Dry
Operator/Surveyor
J. HARTOOG
Sewer ID
Z00780
PipeID
P16236
Time
3:45 AM
Certificate
U-507-03-3386
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K3206
Sewer Name
21 POMONA BOULEVARD INTERCEPTOR TRUNK
City
POMONA, CA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
15
Purpose
Routine Assessment
Project
WO_552368_TV21019_FEB2016
Sewer Type
GRAVITY
Material
Reinforced Concrete Pipe
Shape
Circular
Height
33 in.
Upstream MH
21 1142
Downstream MH
21 1141
Dir. of Survey
Downstream
Length Surveyed
620.6 ft.
Total Length
620.6 ft.
Structural Index
1
Structural Quick
1W00
Structural Rating
122
O&M Index
2
O&M Quick
2W00
O&M Rating
244
Overall Index
2
Overall Quick
Overall Rating
366
Pipe schematic from manhole 21 1142 to 21 1141
MH: 21 1142MH: 21 1141downstream0 ft. MWM - Water Mark, 45 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 11420 ft. MWL - Water Level, 10 %of cross sectional area2 ft. MGO - General Observation - MAGNESIUM H.O. START 75%7 ft. SRI - Surface Roughness Increased, from 09 to 03 o'clock, within 8 inches of joint: YES, Start7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start617.3 ft. SRI - Surface Roughness Increased, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish617.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish620.6 ft. MGO - General Observation - LATERAL AT MH 3 OCLOCK620.6 ft. AMH - Downstream Manhole, Survey Ends - 21 1141

Observation photos (5)

  • Water Mark, 45 %of cross sectional area

    0 ft. - Water Mark, 45 %of cross sectional area

  • General Observation - MAGNESIUM H.O. START 75%

    2 ft. - General Observation - MAGNESIUM H.O. START 75%

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

    7 ft. - Surface Roughness Increased, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

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

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

  • General Observation - LATERAL AT MH 3 OCLOCK

    620.6 ft. - General Observation - LATERAL AT MH 3 OCLOCK

Observations (10)

DistanceCodeObservation
2MGOMAGNESIUM H.O. START 75%
0MWM
0AMH21 1142
620.6MGOLATERAL AT MH 3 OCLOCK
7SRI
0MWL
620.6AMH21 1141
617.3SRI
617.3DAGS
7DAGS

Properties (7)

additional_info
SC225544
custom_field_two
4
customer
LACSD
datetime
2016-02-24T03:45:39-08:00
documentation
PRO-PIPE
is_lateral_inspection
false
year_laid
19841228