Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jan 19, 2016, 08:44 AM
  • 20 0021_20 0020_19012016_064200.mp4

Date
01/19/2016
W/O
547093
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00734
PipeID
P18943
Time
12:44 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K3076
Sewer Name
20 AVENUE "P-8" TRUNK
City
PALMDALE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
07
Purpose
Routine Assessment
Project
WO_547093_TV20018_JAN2016
Material
Reinforced Concrete Pipe
Shape
Circular
Height
21 in.
Upstream MH
20 0021
Downstream MH
20 0020
Dir. of Survey
Downstream
Length Surveyed
375.6 ft.
Total Length
375.6 ft.
Structural Index
3
Structural Quick
3N00
Structural Rating
222
O&M Index
2
O&M Quick
4131
O&M Rating
157
Overall Index
3
Overall Quick
Overall Rating
379
Pipe schematic from manhole 20 0021 to 20 0020
MH: 20 0021MH: 20 0020downstream0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. MGO - General Observation - ACTIVE CONNECTION AT MH 9 O'CLOCK0 ft. AMH - Upstream Manhole, Survey Begins - 20 00210 ft. MWM - Water Mark, 50 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start3.1 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Start375.6 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish375.6 ft. MSA - Survey Abandoned - DUE TO DEBRIS/DEPOSITS.375.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish375.6 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES - BELOW WATER LEVEL.

Observation photos (2)

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

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

    3.1 ft. - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

Observations (10)

DistanceCodeObservation
0MWL
375.6SAV
375.6MSADUE TO DEBRIS/DEPOSITS.
375.6DAGS
0MGOACTIVE CONNECTION AT MH 9 O'CLOCK
0AMH20 0021
2DAGS
375.6DSZBELOW WATER LEVEL.
0MWM
3.1SAV

Properties (5)

additional_info
SC225453
custom_field_two
5
customer
LACSD
datetime
2016-01-19T00:44:30-08:00
sewer_category
GRAVITY