Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 3, 2015, 09:03 AM
  • 20 0041_20 0040_20150303_024301.mp4

Date
03/03/2015
W/O
491612
Weather
Dry
Operator/Surveyor
N.ZAHREDDINE
Sewer ID
Z00742
PipeID
P18962
Time
1:03 AM
Certificate
U-109-7948
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K2139
Sewer Name
20 TRUNK "A"
City
PALMDALE
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
03
Purpose
Routine Assessment
Project
WO_491612_TV20026_2015FEBRUARY
Sewer Type
GRAVITY
Material
Reinforced Concrete Pipe
Shape
Circular
Height
24 in.
Upstream MH
20 0040
Downstream MH
20 0041
Dir. of Survey
Upstream
Length Surveyed
381.2 ft.
Total Length
381.2 ft.
Structural Index
0
Structural Quick
0000
Structural Rating
0
O&M Index
3
O&M Quick
3J00
O&M Rating
171
Overall Index
3
Overall Quick
Overall Rating
171
Pipe schematic from manhole 20 0040 to 20 0041
MH: 20 0040MH: 20 0041upstream0 ft. AMH - Upstream Manhole, Survey Ends - 20 00412.9 ft. MGO - General Observation - Magnesium hydroxide coating 70 % finish28.5 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: YES, 6"87.9 ft. DSGV - Deposits Settled Gravel, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish133 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: YES, 6"229.6 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: YES, 6"283.1 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: YES, 6"340.6 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: YES, 6"370.9 ft. DSGV - Deposits Settled Gravel, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start379.2 ft. MGO - General Observation - Magnesium hydroxide coating 70% start381.2 ft. MWL - Water Level, 15 %of cross sectional area381.2 ft. MWM - Water Mark, 30 %of cross sectional area381.2 ft. AMH - Downstream Manhole, Survey Begins - 20 0040

Observation photos (1)

  • Deposits Settled Gravel,  15 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

    10.3 ft. - Deposits Settled Gravel, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

Observations (13)

DistanceCodeObservation
0MWL
352.7TFC
98.1TFC
378.3MGOMagnesium hydroxide coating 70 % finish
293.3DSGV
248.2TFC
40.6TFC
2MGOMagnesium hydroxide coating 70% start
0MWM
10.3DSGV
0AMH20 0040
381.2AMH20 0041
151.6TFC

Properties (4)

additional_info
SC207715
custom_field_two
4
customer
LACSD
datetime
2015-03-03T01:03:32-08:00