Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 12, 2017, 08:31 AM
  • 05 1771_05 1770_12092017_012608.mp4

Date
09/12/2017
W/O
651628
Weather
Dry
Operator/Surveyor
B.FUGATE
Sewer ID
Z00473
PipeID
P06998
Time
1:31 AM
Certificate
U-508-7069
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K4870
Sewer Name
05 LOMITA TRUNK EXTENSION
City
TORRANCE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 05
Page No.
32
Purpose
Routine Assessment
Project
WO_651628_TV05200_AUG2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
05 1771
Downstream MH
05 1770
Dir. of Survey
Downstream
Length Surveyed
420.5 ft.
Total Length
420.5 ft.
Structural Index
3
Structural Quick
413O
Structural Rating
241
O&M Index
2
O&M Quick
2O1C
O&M Rating
184
Overall Index
2
Overall Quick
Overall Rating
425
Pipe schematic from manhole 05 1771 to 05 1770
MH: 05 1771MH: 05 1770downstream0 ft. MGO - General Observation - CONNECTION AT MH 3 O'CLOCK0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 05 17718.9 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Start8.9 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES13.7 ft. CM - Crack Multiple, from 08 to 03 o'clock, within 8 inches of joint: YES37.7 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start259 ft. RFJ - Roots Fine Joint, from 08 to 04 o'clock, within 8 inches of joint: YES, Start320 ft. FM - Fracture Multiple, from 08 to 05 o'clock, within 8 inches of joint: YES - SEVERE359.2 ft. RFJ - Roots Fine Joint, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish419 ft. MGO - General Observation - SPALLING THROUGHOUT THE REACH FROM 08 TO 04 O'CLOCK420.5 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish420.5 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Finish420.5 ft. AMH - Downstream Manhole, Survey Ends - 05 1770

Observation photos (6)

  • Deposits Settled Other,  5 %of cross sectional area, at 06 o'clock,  , within 8 inches of joint: YES, Start

    8.9 ft. - Deposits Settled Other, 5 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Start

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

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

  • Crack Multiple, from 08 to 03 o'clock, within 8 inches of joint: YES

    13.7 ft. - Crack Multiple, from 08 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

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

  • Roots Fine Joint, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    259 ft. - Roots Fine Joint, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • Fracture Multiple, from 08 to 05 o'clock, within 8 inches of joint: YES - SEVERE

    320 ft. - Fracture Multiple, from 08 to 05 o'clock, within 8 inches of joint: YES - SEVERE

Observations (15)

DistanceCodeObservation
8.9DSZ
0MGOCONNECTION AT MH 3 O'CLOCK
419MGOSPALLING THROUGHOUT THE REACH FROM 08 TO 04 O'CLOCK
37.7CM
420.5CM
0MWL
420.5DSZ
259RFJ
320FMSEVERE
8.9CM
420.5AMH05 1770
0MWM
0AMH05 1771
13.7CM
359.2RFJ

Properties (5)

additional_info
SC345929
custom_field_two
2
customer
LACSD
datetime
2017-09-12T01:31:00-07:00
sewer_category
Gravity