Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jun 15, 2016, 07:47 AM
Date
06/15/2016
W/O
0563397
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00787
PipeID
P15794
Time
12:47 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
G6714
Sewer Name
21 TRI-CITIES OUTFALL RELIEF 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
20160615MDM_TRI_CITIES_OUTFALL_RELIEF_TRUNK
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Upstream MH
21 0642
Downstream MH
21 0641
Dir. of Survey
Downstream
Length Surveyed
141.7 ft.
Total Length
141.7 ft.
Structural Index
2
Structural Quick
2300
Structural Rating
6
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
2
Overall Quick
Overall Rating
8
Pipe schematic from manhole 21 0642 to 21 0641
MH: 21 0642MH: 21 0641downstream0 ft. AMH - Upstream Manhole, Survey Begins - 12:50AM0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MWM - Water Mark, 20 %of cross sectional area9.2 ft. MGO - General Observation - 18" VCP9.3 ft. MGO - General Observation - STEEP ELAVATION DROP19.4 ft. FC - Fracture Circumferential, from 01 to 04 o'clock, within 8 inches of joint: YES - SLIGHT20.9 ft. FC - Fracture Circumferential, from 07 to 10 o'clock, within 8 inches of joint: YES - SLIGHT74.9 ft. MWL - Water Level, 10 %of cross sectional area87.6 ft. MWM - Water Mark, 30 %of cross sectional area121.7 ft. MGP - General Photograph124.9 ft. DSGV - Deposits Settled Gravel, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES135.1 ft. FC - Fracture Circumferential, from 09 to 10 o'clock, within 8 inches of joint: YES - SLIGHT141.2 ft. MGO - General Observation - MH CONN ACTIVE 9:00141.7 ft. AMH - Downstream Manhole, Survey Ends - 1:10AM

Observation photos (2)

  • General Observation - 18" VCP

    9.2 ft. - General Observation - 18" VCP

  • General Photograph

    121.7 ft. - General Photograph

Observations (14)

DistanceCodeObservation
0AMH12:50AM
141.7AMH1:10AM
9.2MGO18" VCP
0MWL
141.2MGOMH CONN ACTIVE 9:00
0MWM
124.9DSGV
9.3MGOSTEEP ELAVATION DROP
135.1FCSLIGHT
121.7MGP
19.4FCSLIGHT
20.9FCSLIGHT
87.6MWM
74.9MWL

Properties (4)

custom_field_three
3 SLIGHT CIRCUM FRACTURES
custom_field_two
3
customer
LACSD
datetime
2016-06-15T00:47:46-07:00