Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 19, 2018, 11:21 AM
  • 20 0073_20 0072_19032018_051600.mp4

Date
03/19/2018
W/O
690552
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18994
Time
4:21 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K5490
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 0072
Downstream MH
20 0073
Dir. of Survey
Upstream
Length Surveyed
168.7 ft.
Total Length
168.7 ft.
Structural Index
3
Structural Quick
3F2F
Structural Rating
165
O&M Index
2
O&M Quick
2F00
O&M Rating
66
Overall Index
2
Overall Quick
Overall Rating
231
Pipe schematic from manhole 20 0072 to 20 0073
MH: 20 0072MH: 20 0073upstream0 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish0 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish0 ft. MSA - Survey Abandoned - REVERSAL COMPLETE.0 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish35.8 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 4"84 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 4"135.5 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 4"163.4 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - MAG COATING163.4 ft. MGO - General Observation - 60% MAG COATING THROUGH OUT164.5 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start164.5 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start168.7 ft. MWL - Water Level, 5 %of cross sectional area168.7 ft. AMH - Downstream Manhole, Survey Begins - 20 0072

Observation photos (3)

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

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

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

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

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

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

Observations (13)

DistanceCodeObservation
33.2TFC
4.2SAP
5.3DSZMAG COATING
168.7DSZ
168.7SSS
0MWL
0AMH20 0072
168.7MSAREVERSAL COMPLETE.
168.7SAP
4.2SSS
132.9TFC
84.7TFC
5.3MGO60% MAG COATING THROUGH OUT

Properties (4)

additional_info
SC358498
custom_field_two
3
customer
LACSD
datetime
2018-03-19T04:21:28-07:00