Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 23, 2018, 09:56 AM
  • 20 0072_20 0071_23032018_030754.mp4

Date
03/23/2018
W/O
690552
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18993
Time
2:56 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K5497
Sewer Name
20 TRUNK "A"
City
PALMDALE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
02
Purpose
Routine Assessment
Project
WO_690552_TV20023_MAR2018
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
20 0071
Downstream MH
20 0072
Dir. of Survey
Upstream
Length Surveyed
166.1 ft.
Total Length
166.1 ft.
Structural Index
3
Structural Quick
3F00
Structural Rating
99
O&M Index
2
O&M Quick
2F00
O&M Rating
66
Overall Index
3
Overall Quick
Overall Rating
165
Pipe schematic from manhole 20 0071 to 20 0072
MH: 20 0071MH: 20 0072upstream0 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish0 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish0 ft. MSA - Survey Abandoned - DUE TO DEBRIS, SLUDGE. WILL COMPLETE REVERSAL FROM U/S MH.40.3 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 4"93.6 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 4"140.2 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 4"164.1 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - SLUDGE, DEBRIS.164.1 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start166.1 ft. AMH - Downstream Manhole, Survey Begins - 20 0071166.1 ft. MWL - Water Level, 5 %of cross sectional area

Observation photos (3)

  • Deposits Settled Other,  10 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start - SLUDGE, DEBRIS.

    2 ft. - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - SLUDGE, DEBRIS.

  • Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    2 ft. - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • Survey Abandoned - DUE TO DEBRIS, SLUDGE. WILL COMPLETE REVERSAL FROM U/S MH.

    166.1 ft. - Survey Abandoned - DUE TO DEBRIS, SLUDGE. WILL COMPLETE REVERSAL FROM U/S MH.

Observations (10)

DistanceCodeObservation
166.1SAP
166.1DSZ
166.1MSADUE TO DEBRIS, SLUDGE. WILL COMPLETE REVERSAL FROM U/S MH.
72.5TFC
25.9TFC
125.8TFC
2DSZSLUDGE, DEBRIS.
2SAP
0AMH20 0071
0MWL

Properties (4)

additional_info
SC358505
custom_field_two
2
customer
LACSD
datetime
2018-03-23T02:56:18-07:00