Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Dec 6, 2017, 12:33 PM
  • 20 0230_20 0522_12062017_043337.mp4

Date
12/06/2017
W/O
673996
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00736
PipeID
P19440
Time
4:33 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K5238
Sewer Name
20 AVENUE "Q" EXTENSION TRUNK
City
PALMDALE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
07
Purpose
Routine Assessment
Project
WO_673996_TV20035_DEC2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
20 0522
Downstream MH
20 0230
Dir. of Survey
Upstream
Length Surveyed
47.7 ft.
Total Length
47.7 ft.
Structural Index
0
Structural Quick
0000
Structural Rating
0
O&M Index
2
O&M Quick
2900
O&M Rating
18
Overall Index
2
Overall Quick
Overall Rating
18
Pipe schematic from manhole 20 0522 to 20 0230
MH: 20 0522MH: 20 0230upstream0 ft. MGO - General Observation - COCKROACHES IN MANHOLE0 ft. MGO - General Observation - CAPPED CONNECTION AT MH 12 O'CLOCK0 ft. MGO - General Observation - STOP LOG CONNECTION AT MH 9 O'CLOCK0 ft. AMH - Upstream Manhole, Survey Ends - 20 02300.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish1.7 ft. MGO - General Observation - SPALLING THROUGHOUT THE REACH, FROM 08 TO 04 O'CLOCK45.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start47.7 ft. MWL - Water Level, 10 %of cross sectional area47.7 ft. MGO - General Observation - ACTIVE CONNECTION AT MH 2 O'CLOCK47.7 ft. MWM - Water Mark, 20 %of cross sectional area47.7 ft. AMH - Downstream Manhole, Survey Begins - 20 0522

Observation photos (1)

  • 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

Observations (11)

DistanceCodeObservation
0MWL
47.7MGOCOCKROACHES IN MANHOLE
2DAGS
0MGOACTIVE CONNECTION AT MH 2 O'CLOCK
0MWM
0AMH20 0522
47.7MGOCAPPED CONNECTION AT MH 12 O'CLOCK
46MGOSPALLING THROUGHOUT THE REACH, FROM 08 TO 04 O'CLOCK
47.2DAGS
47.7MGOSTOP LOG CONNECTION AT MH 9 O'CLOCK
47.7AMH20 0230

Properties (6)

additional_info
SC346409
custom_field_two
3
customer
LACSD
datetime
2017-12-06T04:33:16-08:00
sewer_category
Gravity
year_laid
32720