Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 24, 2016, 06:40 AM
  • 21 0788_21 0787D_20160323_235101.mp4

Date
03/23/2016
W/O
557615
Weather
Dry
Operator/Surveyor
J. HARTOOG
Sewer ID
Z00773
PipeID
P25944
Time
11:40 PM
Certificate
U-507-03-3386
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K3235
Sewer Name
21 LA VERNE TRUNK, SECTION 3
City
POMONA, CA
Loc. details
Parking Lot
Location Code
G
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
09
Purpose
Routine Assessment
Project
WO_557615_TV21048_2016MAR
Sewer Type
SIPHON
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Upstream MH
21 0788
Downstream MH
21 0787D
Dir. of Survey
Downstream
Length Surveyed
140.9 ft.
Total Length
140.9 ft.
Structural Index
4
Structural Quick
4100
Structural Rating
4
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
6
Pipe schematic from manhole 21 0788 to 21 0787D
MH: 21 0788MH: 21 0787Ddownstream0 ft. MWL - Water Level, 5 %of cross sectional area0 ft. MGO - General Observation - LATERAL AT MH 9 OCLOCK0 ft. MWM - Water Mark, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 07880 ft. MGO - General Observation - LATERAL AT MH 3 OCLOCK9.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start106.9 ft. TB - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: NO, 4"137.2 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES137.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish140.9 ft. AMH - Downstream Manhole, Survey Ends - 21 0787D

Observation photos (3)

  • Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start

    9.6 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start

  • Tap Break-In, at 10 o'clock, -, within 8 inches of joint: NO, 4"

    106.9 ft. - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: NO, 4"

  • Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

    137.2 ft. - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

Observations (10)

DistanceCodeObservation
9.6DAGS
0MWL
0MGOLATERAL AT MH 9 OCLOCK
0MWM
0AMH21 0788
0MGOLATERAL AT MH 3 OCLOCK
140.9AMH21 0787D
137.2FM
106.9TB
137.2DAGS

Properties (7)

additional_info
SC305326
custom_field_two
4
customer
LACSD
datetime
2016-03-23T23:40:12-07:00
documentation
PRO-PIPE
is_lateral_inspection
false
year_laid
20061201