Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 28, 2017, 03:23 PM
  • 21 1297_21 1296 _28082017_083751.mp4

Date
08/28/2017
W/O
659584
Weather
Dry
Operator/Surveyor
KYLE A.
Sewer ID
Z00763
PipeID
P25688
Time
8:23 AM
Certificate
07009000
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K4806
Sewer Name
21 DISTRICT #21 OUTFALL TRUNK
City
CITY OF INDUSTRY
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
28
Purpose
Routine Assessment
Project
WO_659584_DISTRICT_21
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
36 in.
Width
36 in.
Upstream MH
21 1297
Downstream MH
21 1296
Dir. of Survey
Downstream
Length Surveyed
186 ft.
Total Length
186 ft.
Structural Index
3
Structural Quick
3E11
Structural Rating
94
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
96
Pipe schematic from manhole 21 1297 to 21 1296
MH: 21 1297MH: 21 1296downstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 12970 ft. MWL - Water Level, 10 %of cross sectional area28.4 ft. SAV - Surface Roughness & Spotting Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start51.9 ft. DSF - Deposits Settled Fine, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: NO69 ft. MGO - General Observation - POSSIBLE INFILTRATION (ENCRUSTATION PRESENT) @ JOINT - 8 TO 9 O'CLOCK73 ft. MGO - General Observation - POSSIBLE INFILTRATION (ENCRUSTATION PRESENT) - 3 TO 4 O'CLOCK113.6 ft. MGP - General Photograph149.3 ft. SRI - Surface Roughness Increased, from 01 to 02 o'clock, within 8 inches of joint: NO182.9 ft. SAV - Surface Roughness & Spotting Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish186 ft. AMH - Downstream Manhole, Survey Ends - 21 1296

Observation photos (4)

  • Surface Roughness & Spotting Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    28.4 ft. - Surface Roughness & Spotting Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • Deposits Settled Fine,  5 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: NO

    51.9 ft. - Deposits Settled Fine, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: NO

  • General Photograph

    113.6 ft. - General Photograph

  • Surface Roughness Increased, from 01 to 02 o'clock, within 8 inches of joint: NO

    149.3 ft. - Surface Roughness Increased, from 01 to 02 o'clock, within 8 inches of joint: NO

Observations (11)

DistanceCodeObservation
73MGOPOSSIBLE INFILTRATION (ENCRUSTATION PRESENT) - 3 TO 4 O'CLOCK
113.6MGP
51.9DSF
28.4SAV
0MWM
0AMH21 1297
149.3SRI
186AMH21 1296
182.9SAV
69MGOPOSSIBLE INFILTRATION (ENCRUSTATION PRESENT) @ JOINT - 8 TO 9 O'CLOCK
0MWL

Properties (7)

additional_info
SC353036
custom_field_two
4
customer
LACSD
datetime
2017-08-28T08:23:54-07:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
38809