Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 25, 2016, 06:01 AM
  • 21 0775_21 0774_20160324_231436.mp4

Date
03/24/2016
W/O
557615
Weather
Dry
Operator/Surveyor
J. HARTOOG
Sewer ID
Z00773
PipeID
P15888
Time
11:01 PM
Certificate
U-507-03-3386
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K3236
Sewer Name
21 LA VERNE TRUNK, SECTION 3
City
POMONA, CA
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
09
Purpose
Routine Assessment
Project
WO_557615_TV21048_2016MAR
Sewer Type
GRAVITY
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Upstream MH
21 0775
Downstream MH
21 0774
Dir. of Survey
Downstream
Length Surveyed
237.8 ft.
Total Length
237.8 ft.
Structural Index
2
Structural Quick
2100
Structural Rating
2
O&M Index
2
O&M Quick
2111
O&M Rating
3
Overall Index
2
Overall Quick
Overall Rating
5
Pipe schematic from manhole 21 0775 to 21 0774
MH: 21 0775MH: 21 0774downstream0 ft. MWL - Water Level, 15 %of cross sectional area0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MGO - General Observation - LATERAL AT MH 7 OCLOCK0 ft. AMH - Upstream Manhole, Survey Begins - 21 07750 ft. MGO - General Observation - ROOTS AT MANHOLE2 ft. RFJ - Roots Fine Joint, from 10 to 04 o'clock, within 8 inches of joint: YES10.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start15 ft. MGO - General Observation - DEBRIS96.5 ft. MMC - Material Change, Cast Iron - SLIGHT TUBERCULATION OF CIP121 ft. MMC - Material Change, Vitrified clay pipe133.8 ft. MWLS - Water Level, Sag in pipe, 20 %of cross sectional area, Start191.1 ft. MWLS - Water Level, Sag in pipe, 20 %of cross sectional area, Finish235.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish237.8 ft. AMH - Downstream Manhole, Survey Ends - 21 0774

Observation photos (5)

  • Roots Fine Joint, from 10 to 04 o'clock, within 8 inches of joint: YES

    2 ft. - Roots Fine Joint, from 10 to 04 o'clock, within 8 inches of joint: YES

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

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

  • Material Change, Cast Iron - SLIGHT TUBERCULATION OF CIP

    96.5 ft. - Material Change, Cast Iron - SLIGHT TUBERCULATION OF CIP

  • Material Change, Vitrified clay pipe

    121 ft. - Material Change, Vitrified clay pipe

  • Water Level, Sag in pipe, 20 %of cross sectional area, Start

    133.8 ft. - Water Level, Sag in pipe, 20 %of cross sectional area, Start

Observations (14)

DistanceCodeObservation
15MGODEBRIS
10.6DAGS
0MWL
0MWM
121MMC
133.8MWLS
0MGOLATERAL AT MH 7 OCLOCK
0AMH21 0775
0MGOROOTS AT MANHOLE
237.8AMH21 0774
2RFJ
96.5MMCSLIGHT TUBERCULATION OF CIP
191.1MWLS
235.4DAGS

Properties (4)

additional_info
SC305327
custom_field_two
4
customer
LACSD
datetime
2016-03-24T23:01:02-07:00