Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 11, 2016, 07:49 AM
  • 29 0370_29 0369_8112016_050305.mp4

Date
08/11/2016
W/O
0580529
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z01018
PipeID
P24407
Time
12:49 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H0232
Sewer Name
29 21ST STREET TRUNK
City
SIGNAL HILL
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 29
Page No.
03
Purpose
Routine Assessment
Project
20160811MDM_21ST_STREET_TRUNK
Material
Vitrified Clay Pipe
Shape
Circular
Height
8 in.
Upstream MH
29 0370
Downstream MH
29 0369
Dir. of Survey
Downstream
Length Surveyed
220.8 ft.
Total Length
220.8 ft.
Structural Index
3
Structural Quick
3525
Structural Rating
25
O&M Index
2
O&M Quick
2500
O&M Rating
10
Overall Index
2
Overall Quick
Overall Rating
35
Pipe schematic from manhole 29 0370 to 29 0369
MH: 29 0370MH: 29 0369downstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 4:55AM0 ft. MGO - General Observation - Conn. @ Mh, 3 O' Clock. Active0 ft. MWM - Water Mark, 20 %of cross sectional area2 ft. MMC - Material Change, Concrete pipe (non-reinfored) - PIPE IS NRCP NOT VCP2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - MODERATE AGG2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG SPORATIC5.9 ft. MGO - General Observation - DEEP CORRIS0N AT 11:008.2 ft. TFD - Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: YES, 6" - Open-80% GREASE10 ft. FC - Fracture Circumferential, from 11 to 01 o'clock, within 8 inches of joint: YES - SLIGHT22.9 ft. FC - Fracture Circumferential, from 11 to 01 o'clock, within 8 inches of joint: YES - SLIGHT22.9 ft. FC - Fracture Circumferential, from 02 to 04 o'clock, within 8 inches of joint: YES - HAIRLINE38.4 ft. FC - Fracture Circumferential, from 11 to 01 o'clock, within 8 inches of joint: YES - SL51.7 ft. FL - Fracture Longitudinal, at 12 o'clock, within 8 inches of joint: YES - SL55.1 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG72.8 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SEVERE AGG SPORATIC109.5 ft. TFD - Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: YES, 6" - OPEN-90% GREASE116.3 ft. FL - Fracture Longitudinal, at 12 o'clock, within 8 inches of joint: YES - SLIGHT148.1 ft. TFD - Tap Factory Made Defective, at 10 o'clock, -, within 8 inches of joint: YES, 6" - Open-50% GREASE168.2 ft. FC - Fracture Circumferential, from 11 to 01 o'clock, within 8 inches of joint: YES - SL200.8 ft. DSGV - Deposits Settled Gravel, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES207.8 ft. TFD - Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: YES, 6" - Open-70%GREASE218.8 ft. MGO - General Observation - DROP CONN218.8 ft. MGO - General Observation - ZOOM 2'220.2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SEVERE AGG220.2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - MODERATE AGG220.8 ft. AMH - Downstream Manhole, Survey Ends - 5:30AM

Observation photos (7)

  • Material Change, Concrete pipe (non-reinfored) - PIPE IS NRCP NOT VCP

    2 ft. - Material Change, Concrete pipe (non-reinfored) - PIPE IS NRCP NOT VCP

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

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

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

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

  • General Observation - DEEP CORRIS0N  AT 11:00

    5.9 ft. - General Observation - DEEP CORRIS0N AT 11:00

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

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

  • General Observation - DROP CONN

    218.8 ft. - General Observation - DROP CONN

  • General Observation - ZOOM 2'

    218.8 ft. - General Observation - ZOOM 2'

Observations (27)

DistanceCodeObservation
55.1SAPSEVERE AGG
218.8MGODROP CONN
168.2FCSL
38.4FCSL
220.8AMH5:30AM
72.8SAPSEVERE AGG SPORATIC
200.8DSGV
220.2SAPSEVERE AGG
22.9FCSLIGHT
22.9FCHAIRLINE
218.8MGOZOOM 2'
2MMCPIPE IS NRCP NOT VCP
0MWL
0AMH4:55AM
0MGOConn. @ Mh, 3 O' Clock. Active
207.8TFDOpen-70%GREASE
5.9MGODEEP CORRIS0N AT 11:00
0MWM
51.7FLSL
148.1TFDOpen-50% GREASE
109.5TFDOPEN-90% GREASE
10FCSLIGHT
116.3FLSLIGHT
8.2TFDOpen-80% GREASE
2SAPMODERATE AGG
220.2SAPMODERATE AGG
2SAPSEVERE AGG SPORATIC

Properties (5)

additional_info
PIPE IS NRCP NOT VCP
custom_field_three
PROJECTING SEVERE AGG
custom_field_two
3
customer
LACSD
datetime
2016-08-11T00:49:12-07:00