Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 9, 2019, 08:57 AM
Date
04/09/2019
W/O
0765242
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00635
PipeID
P25912
Time
1:57 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
H1179
Sewer Name
15 TYLER AVENUE RELIEF TRUNK
City
EL MONTE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 15
Page No.
17
Purpose
Maintenance Related
Project
201904MDM_TYLER_AVENUE_RELIEF_TRUNK
Material
Vitrified Clay Pipe
Shape
Circular
Height
24 in.
Upstream MH
15 1166
Downstream MH
15 1165
Dir. of Survey
Downstream
Length Surveyed
308.8 ft.
Total Length
308.8 ft.
Structural Index
2
Structural Quick
2600
Structural Rating
12
O&M Index
0
O&M Quick
0000
O&M Rating
0
Overall Index
2
Overall Quick
—
Overall Rating
12
Pipe schematic from manhole 15 1166 to 15 1165
MH: 15 1166MH: 15 1165downstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 2:00AM0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MGO - General Observation - Conn. @ Mh, 9 O' Clock. Active2.7 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, - BLISTERING17.7 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - FLAKING BLISTERING SURFACE19.1 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: NO - FLAKING AWAY PIPE MATERIAL41.3 ft. TF - Tap Factory Made, at 12 o'clock, -, within 8 inches of joint: YES, 6" - Open60.2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: NO - VERY SLIGHT FLAKING103.3 ft. SSS - Surface Spalling, from 09 to 01 o'clock, within 8 inches of joint: NO - FLAKING AWAY PIPE SURFACE OUTER LAYER108.6 ft. TF - Tap Factory Made, at 12 o'clock, -, within 8 inches of joint: YES, 6" - Open131 ft. MGP - General Photograph179.7 ft. TF - Tap Factory Made, at 12 o'clock, -, within 8 inches of joint: YES, 6" - Active192.1 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: NO - MORE SEVERE SPALLING259.3 ft. TF - Tap Factory Made, at 12 o'clock, -, within 8 inches of joint: YES, 6" - Open308.3 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - FLAKING PIPE OUTER SURFACE308.8 ft. AMH - Downstream Manhole, Survey Ends - 2:40AM

Observation photos (7)

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

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

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

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

  • Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: NO - FLAKING AWAY PIPE MATERIAL

    19.1 ft. - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: NO - FLAKING AWAY PIPE MATERIAL

  • Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: NO - VERY SLIGHT FLAKING

    60.2 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: NO - VERY SLIGHT FLAKING

  • Surface Spalling, from 09 to 01 o'clock, within 8 inches of joint: NO - FLAKING AWAY PIPE SURFACE OUTER LAYER

    103.3 ft. - Surface Spalling, from 09 to 01 o'clock, within 8 inches of joint: NO - FLAKING AWAY PIPE SURFACE OUTER LAYER

  • General Photograph

    131 ft. - General Photograph

  • Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: NO - MORE SEVERE SPALLING

    192.1 ft. - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: NO - MORE SEVERE SPALLING

All inspections of P25912Work order 0765242

Observations (17)

DistanceCodeObservation
0MWL—
308.3SSSFLAKING PIPE OUTER SURFACE
192.1SSSMORE SEVERE SPALLING
259.3TFOpen
2.7SSSBLISTERING
0AMH2:00AM
0MWM—
17.7SSSFLAKING BLISTERING SURFACE
179.7TFActive
0MGOConn. @ Mh, 9 O' Clock. Active
108.6TFOpen
19.1SSSFLAKING AWAY PIPE MATERIAL
131MGP—
41.3TFOpen
60.2SSSVERY SLIGHT FLAKING
308.8AMH2:40AM
103.3SSSFLAKING AWAY PIPE SURFACE OUTER LAYER

Properties (3)

additional_info
VCP CORROSION MONITORING
customer
LACSD
datetime
2019-04-09T01:57:48-07:00