Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 21, 2017, 05:43 AM
  • 21 0425_21 0424 _03202017_234237.mp4

Date
03/20/2017
W/O
624444
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00762
PipeID
P15632
Time
10:43 PM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K4414
Sewer Name
21 DIAMOND BAR TRUNK
City
DIAMOND BAR
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
36
Purpose
Routine Assessment
Project
WO_624444_TV21006_MAR2017
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
21 0425
Downstream MH
21 0424
Dir. of Survey
Downstream
Length Surveyed
338.3 ft.
Total Length
338.3 ft.
Structural Index
2
Structural Quick
4125
Structural Rating
14
O&M Index
2
O&M Quick
423B
O&M Rating
190
Overall Index
2
Overall Quick
Overall Rating
204
Pipe schematic from manhole 21 0425 to 21 0424
MH: 21 0425MH: 21 0424downstream0 ft. MWL - Water Level, 30 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 04250 ft. MGO - General Observation - CONNECTION AT MH 3 O'CLOCK0 ft. MWM - Water Mark, 50 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start23 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"31.3 ft. CS - Crack Spiral, from 08 to 12 o'clock, within 8 inches of joint: YES51.8 ft. CS - Crack Spiral, from 02 to 04 o'clock, within 8 inches of joint: YES73.2 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"124 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"175 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"183.3 ft. CS - Crack Spiral, from 08 to 10 o'clock, within 8 inches of joint: YES213.7 ft. CS - Crack Spiral, from 10 to 02 o'clock, within 8 inches of joint: YES219 ft. CS - Crack Spiral, from 01 to 04 o'clock, within 8 inches of joint: YES225.8 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"259 ft. RMJ - Roots Medium Joint, from 09 to 03 o'clock, 10 %, within 8 inches of joint: YESR, Start282 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"305.4 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES317.2 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"324.5 ft. RBJ - Roots Ball Joint, from 09 to 03 o'clock, 55 %, within 8 inches of joint: YESR336.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish336.5 ft. RMJ - Roots Medium Joint, from 09 to 03 o'clock, 10 %, within 8 inches of joint: YESR, Finish338.3 ft. AMH - Downstream Manhole, Survey Ends - 21 0424

Observation photos (8)

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

  • Crack Spiral, from 08 to 12 o'clock, within 8 inches of joint: YES

    31.3 ft. - Crack Spiral, from 08 to 12 o'clock, within 8 inches of joint: YES

  • Crack Spiral, from 02 to 04 o'clock, within 8 inches of joint: YES

    51.8 ft. - Crack Spiral, from 02 to 04 o'clock, within 8 inches of joint: YES

  • Crack Spiral, from 08 to 10 o'clock, within 8 inches of joint: YES

    183.3 ft. - Crack Spiral, from 08 to 10 o'clock, within 8 inches of joint: YES

  • Crack Spiral, from 10 to 02 o'clock, within 8 inches of joint: YES

    213.7 ft. - Crack Spiral, from 10 to 02 o'clock, within 8 inches of joint: YES

  • Crack Spiral, from 01 to 04 o'clock, within 8 inches of joint: YES

    219 ft. - Crack Spiral, from 01 to 04 o'clock, within 8 inches of joint: YES

  • Roots Medium Joint, from 09 to 03 o'clock, 10 %, within 8 inches of joint: YESR, Start

    259 ft. - Roots Medium Joint, from 09 to 03 o'clock, 10 %, within 8 inches of joint: YESR, Start

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

    305.4 ft. - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

Observations (23)

DistanceCodeObservation
219CS
336.5DAGS
0MWL
31.3CS
0AMH21 0425
225.8TFC
124TFC
73.2TFC
282TFC
305.4FM
51.8CS
175TFC
0MGOCONNECTION AT MH 3 O'CLOCK
338.3AMH21 0424
23TFC
0MWM
213.7CS
317.2TFC
259RMJ
183.3CS
324.5RBJ
336.5RMJ
2DAGS

Properties (6)

additional_info
SC306979
custom_field_two
3
customer
LACSD
datetime
2017-03-20T22:43:27-07:00
documentation
PRO PIPE
is_lateral_inspection
false