Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Dec 12, 2017, 07:43 AM
  • 05 2254_05 2253_12112017_234316.mp4

Date
12/11/2017
W/O
673969
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00475
PipeID
P07377
Time
11:43 PM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K5246
Sewer Name
05 LOMITA TRUNK EXTENSION RELIEF
City
TORRANCE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 05
Page No.
31
Purpose
Routine Assessment
Project
WO_673969_TV05298_DEC2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
05 2254
Downstream MH
05 2253
Dir. of Survey
Downstream
Length Surveyed
219 ft.
Total Length
219 ft.
Structural Index
4
Structural Quick
4300
Structural Rating
12
O&M Index
2
O&M Quick
312H
O&M Rating
93
Overall Index
2
Overall Quick
Overall Rating
105
Pipe schematic from manhole 05 2254 to 05 2253
MH: 05 2254MH: 05 2253downstream0 ft. AMH - Upstream Manhole, Survey Begins - 05 22540 ft. MWL - Water Level, 25 %of cross sectional area0 ft. MWM - Water Mark, 40 %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, Start2.8 ft. RMJ - Roots Medium Joint, from 09 to 10 o'clock, 10 %, within 8 inches of joint: YESR15.4 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start31.4 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish42 ft. TB - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: NO, 6"54.2 ft. TFA - Tap Factory Made Active, at 02 o'clock, -, within 8 inches of joint: YES, 6"59.4 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"144 ft. TF - Tap Factory Made, at 10 o'clock, -, within 8 inches of joint: NO, 6"205.5 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS217.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish217.2 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish219 ft. AMH - Downstream Manhole, Survey Ends - 05 2253

Observation photos (3)

  • 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

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

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

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

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

Observations (15)

DistanceCodeObservation
54.2TFA
205.5DSZDEBRIS
0AMH05 2254
2DAGS
31.4FM
15.4FM
0MWL
2.8RMJ
42TB
217.2DAGS
59.4TFC
144TF
219AMH05 2253
0MWM
217.2DSZ

Properties (6)

additional_info
SC346417
custom_field_two
3
customer
LACSD
datetime
2017-12-11T23:43:11-08:00
sewer_category
Gravity
year_laid
28144