Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 23, 2017, 06:01 AM
  • 21 0616_21 0615 _08222017_230149.mp4

Date
08/22/2017
W/O
646223
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00786
PipeID
P15768
Time
11:01 PM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K4720
Sewer Name
21 TRI-CITIES OUTFALL TRUNK
City
POMONA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
15
Purpose
Routine Assessment
Project
WO_646223_TV21082_JUL2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
21 0616
Downstream MH
21 0615
Dir. of Survey
Downstream
Length Surveyed
481.6 ft.
Total Length
481.6 ft.
Structural Index
3
Structural Quick
3N21
Structural Rating
230
O&M Index
2
O&M Quick
2R00
O&M Rating
190
Overall Index
2
Overall Quick
Overall Rating
420
Pipe schematic from manhole 21 0616 to 21 0615
MH: 21 0616MH: 21 0615downstream0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 06160 ft. MWL - Water Level, 20 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start39.4 ft. CM - Crack Multiple, from 09 to 12 o'clock, within 8 inches of joint: YES92.2 ft. CS - Crack Spiral, from 12 to 03 o'clock, within 8 inches of joint: YES102.4 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start479.5 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish479.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish481.6 ft. AMH - Downstream Manhole, Survey Ends - 21 0615

Observation photos (4)

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

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

  • Crack Multiple, from 09 to 12 o'clock, within 8 inches of joint: YES

    39.4 ft. - Crack Multiple, from 09 to 12 o'clock, within 8 inches of joint: YES

  • Crack Spiral, from 12 to 03 o'clock, within 8 inches of joint: YES

    92.2 ft. - Crack Spiral, from 12 to 03 o'clock, within 8 inches of joint: YES

  • Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    102.4 ft. - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

Observations (10)

DistanceCodeObservation
0MWM
479.5CM
2DAGS
39.4CM
0AMH21 0616
481.6AMH21 0615
102.4CM
0MWL
479.5DAGS
92.2CS

Properties (5)

additional_info
SC345722
custom_field_two
3
customer
LACSD
datetime
2017-08-22T23:01:12-07:00
sewer_category
Gravity