Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 2, 2015, 11:29 AM

  • 20 0051_20 0050_20150302_045602.mp4

Date
03/02/2015
W/O
491612
Weather
Light Rain
Operator/Surveyor
N.ZAHREDDINE
Sewer ID
Z00742
PipeID
P18972
Time
3:29 AM
Certificate
U-109-7948
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
K2138
Sewer Name
20 TRUNK "A"
City
PALMDALE
Loc. details
Light Highway
Location Code
C
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 0051
Downstream MH
20 0050
Dir. of Survey
Downstream
Length Surveyed
342.9 ft.
Total Length
342.9 ft.
Structural Index
3
Structural Quick
543J
Structural Rating
179
O&M Index
2
O&M Quick
2J00
O&M Rating
106
Overall Index
3
Overall Quick
—
Overall Rating
285
Pipe schematic from manhole 20 0051 to 20 0050
MH: 20 0051MH: 20 0050downstream0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. MGO - General Observation - CONNECTION AT THE MH 9 O' CLOCK0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 00512 ft. MGO - General Observation - Magnesium hydroxide coating 80% start30.8 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: YES, 6"44.1 ft. SRC - Surface Reinforcement Corroded, from 11 to 12 o'clock, within 8 inches of joint: YES63.5 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: YES, 6"67.5 ft. SRC - Surface Reinforcement Corroded, from 10 to 12 o'clock, within 8 inches of joint: YES76.3 ft. SAV - Surface Aggregate Visible, from 10 to 02 o'clock, within 8 inches of joint: YES, Start76.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start111.2 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: YES, 6"125.1 ft. TFA - Tap Factory Made Active, at 10 o'clock, -, within 8 inches of joint: YES, 8"145.9 ft. SRC - Surface Reinforcement Corroded, from 10 to 11 o'clock, within 8 inches of joint: YES167.5 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: YES, 6"215.2 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: YES, 6"238.9 ft. SRV - Surface Reinforcement Visible, from 10 to 11 o'clock, within 8 inches of joint: YES263.4 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: YES, 6"319.8 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: YES, 6"339.4 ft. SAV - Surface Aggregate Visible, from 10 to 02 o'clock, within 8 inches of joint: YES, Finish339.4 ft. MGO - General Observation - Magnesium hydroxide coating 80% finish339.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish342.9 ft. AMH - Downstream Manhole, Survey Ends - 20 0050

Observation photos (6)

  • Surface Reinforcement Corroded, from 11 to 12 o'clock, within 8 inches of joint: YES

    44.1 ft. - Surface Reinforcement Corroded, from 11 to 12 o'clock, within 8 inches of joint: YES

  • Surface Reinforcement Corroded, from 10 to 12 o'clock, within 8 inches of joint: YES

    67.5 ft. - Surface Reinforcement Corroded, from 10 to 12 o'clock, within 8 inches of joint: YES

  • Surface Aggregate Visible, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

    76.3 ft. - Surface Aggregate Visible, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

  • Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

    76.7 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

  • Surface Reinforcement Corroded, from 10 to 11 o'clock, within 8 inches of joint: YES

    145.9 ft. - Surface Reinforcement Corroded, from 10 to 11 o'clock, within 8 inches of joint: YES

  • Surface Reinforcement Visible, from 10 to 11 o'clock, within 8 inches of joint: YES

    238.9 ft. - Surface Reinforcement Visible, from 10 to 11 o'clock, within 8 inches of joint: YES

All inspections of P18972Work order 491612

Observations (23)

DistanceCodeObservation
0MWM—
67.5SRC—
0MGOCONNECTION AT THE MH 9 O' CLOCK
44.1SRC—
76.7DAGS—
238.9SRV—
0MWL—
0AMH20 0051
263.4TFC—
339.4SAV—
111.2TFC—
145.9SRC—
2MGOMagnesium hydroxide coating 80% start
339.4MGOMagnesium hydroxide coating 80% finish
215.2TFC—
339.4DAGS—
30.8TFC—
319.8TFC—
342.9AMH20 0050
63.5TFC—
76.3SAV—
167.5TFC—
125.1TFA—

Properties (4)

additional_info
SC207714
custom_field_two
2
customer
LACSD
datetime
2015-03-02T03:29:31-08:00