Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0May 28, 2016, 03:55 PM

  • 30 0082_30 0081_5282016_085819.mp4

Date
05/28/2016
W/O
0568757
Weather
Dry
Operator/Surveyor
MIRANDA
Sewer ID
Z00878
PipeID
P17790
Time
8:55 AM
Certificate
U-1014-06022542
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
G7134
Sewer Name
30 SOUTH BAY CITIES MAIN TRUNK
City
REDONDO BEACH
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 30
Page No.
05
Purpose
Routine Assessment
Project
20160528AM_SOUTH_BAY_CITIES_MAIN_TRUNK
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Upstream MH
30 0081
Downstream MH
30 0082
Dir. of Survey
Upstream
Length Surveyed
395.9 ft.
Total Length
395.9 ft.
Structural Index
3
Structural Quick
5137
Structural Rating
33
O&M Index
2
O&M Quick
2312
O&M Rating
8
Overall Index
2
Overall Quick
—
Overall Rating
41
Pipe schematic from manhole 30 0081 to 30 0082
MH: 30 0081MH: 30 0082upstream0 ft. AMH - Upstream Manhole, Survey Ends - 9:50 AM1.9 ft. MGO - General Observation - SLIGHT GREASE THROUGHOUT THE REACH1.9 ft. MGO - General Observation - HAIRLINE CRACKS THROUGHOUT THE REACH51.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 08 to 09 o'clock, , within 8 inches of joint: YES52.1 ft. TFA - Tap Factory Made Active, at 12 o'clock, -, within 8 inches of joint: YES, 6"52.1 ft. RFL - Roots Fine Lateral, at 12 o'clock83.5 ft. B - Broken, from 08 to 04 o'clock, within 8 inches of joint: YES - BROKEN PIECES STILL IN PLACE83.6 ft. MGO - General Observation - CHIPPING ALL AROUND THE JOINT86.7 ft. MGO - General Observation - CHIPPING ALL AROUND THE JOINT87.8 ft. TFD - Tap Factory Made Defective, at 12 o'clock, -, within 8 inches of joint: YES, 6" - ACTIVE, 40% ROOTS88.1 ft. RFL - Roots Fine Lateral, at 12 o'clock - 10%91.8 ft. JOL - Joint Offset Large91.8 ft. JSL - Joint Separated Large91.8 ft. MGO - General Observation - CHIPPING ALL AROUND THE JOINT92.9 ft. JSM - Joint Separated Medium95.3 ft. CM - Crack Multiple, from 09 to 02 o'clock, within 8 inches of joint: YES112.2 ft. TB - Tap Break-In, at 01 o'clock, -, within 8 inches of joint: NO, 4" - OPEN154 ft. RTL - Roots Tap Lateral, at 01 o'clock, 5 %, within 8 inches of joint: NO154 ft. TBA - Tap Break-In Active, at 01 o'clock, -, within 8 inches of joint: NO, 4"168.3 ft. CM - Crack Multiple, from 08 to 01 o'clock, within 8 inches of joint: YES176.1 ft. CM - Crack Multiple, from 09 to 02 o'clock, within 8 inches of joint: YES258.7 ft. CM - Crack Multiple, from 09 to 03 o'clock, within 8 inches of joint: YES289.1 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES315.1 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES330.4 ft. CL - Crack Longitudinal, at 12 o'clock, within 8 inches of joint: YES382.6 ft. FL - Fracture Longitudinal, at 01 o'clock, within 8 inches of joint: YES395.9 ft. MGO - General Observation - ACTIVE CONN. INSIDE THE MH. @ 11 O'CLOCK395.9 ft. MWL - Water Level, 30 %of cross sectional area395.9 ft. MWM - Water Mark, 35 %of cross sectional area395.9 ft. AMH - Downstream Manhole, Survey Begins - 8:57 AM

Observation photos (12)

  • Water Mark, 35 %of cross sectional area

    0 ft. - Water Mark, 35 %of cross sectional area

  • Downstream Manhole, Survey Begins - 8:57 AM

    0 ft. - Downstream Manhole, Survey Begins - 8:57 AM

  • Fracture Longitudinal, at 01 o'clock, within 8 inches of joint: YES

    13.3 ft. - Fracture Longitudinal, at 01 o'clock, within 8 inches of joint: YES

  • Roots Tap Lateral, at 01 o'clock, 5 %, within 8 inches of joint: NO

    241.9 ft. - Roots Tap Lateral, at 01 o'clock, 5 %, within 8 inches of joint: NO

  • Joint Separated Medium

    303 ft. - Joint Separated Medium

  • Joint Offset Large

    304.1 ft. - Joint Offset Large

  • Joint Separated Large

    304.1 ft. - Joint Separated Large

  • Roots Fine Lateral, at 12 o'clock - 10%

    307.8 ft. - Roots Fine Lateral, at 12 o'clock - 10%

  • Tap Factory Made Defective, at 12 o'clock, -, within 8 inches of joint: YES, 6" - ACTIVE, 40% ROOTS

    308.1 ft. - Tap Factory Made Defective, at 12 o'clock, -, within 8 inches of joint: YES, 6" - ACTIVE, 40% ROOTS

  • General Observation - CHIPPING ALL AROUND THE JOINT

    309.2 ft. - General Observation - CHIPPING ALL AROUND THE JOINT

  • General Observation - CHIPPING ALL AROUND THE JOINT

    312.3 ft. - General Observation - CHIPPING ALL AROUND THE JOINT

  • Broken, from 08 to 04 o'clock, within 8 inches of joint: YES - BROKEN PIECES STILL IN PLACE

    312.4 ft. - Broken, from 08 to 04 o'clock, within 8 inches of joint: YES - BROKEN PIECES STILL IN PLACE

All inspections of P17790Work order 0568757

Observations (30)

DistanceCodeObservation
13.3FL—
308.1TFDACTIVE, 40% ROOTS
304.1JOL—
0MGOACTIVE CONN. INSIDE THE MH. @ 11 O'CLOCK
137.2CM—
241.9RTL—
394MGOSLIGHT GREASE THROUGHOUT THE REACH
312.4BBROKEN PIECES STILL IN PLACE
283.7TBOPEN
0MWL—
312.3MGOCHIPPING ALL AROUND THE JOINT
227.6CM—
309.2MGOCHIPPING ALL AROUND THE JOINT
394MGOHAIRLINE CRACKS THROUGHOUT THE REACH
65.5CL—
0MWM—
303JSM—
106.8CM—
219.8CM—
241.9TBA—
395.9AMH9:50 AM
80.8CM—
300.6CM—
304.1JSL—
304.1MGOCHIPPING ALL AROUND THE JOINT
343.8TFA—
343.8RFL—
0AMH8:57 AM
344.5DAGS—
307.8RFL10%

Properties (2)

customer
LACSD
datetime
2016-05-28T08:55:47-07:00