Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jun 8, 2017, 07:55 AM
Date
06/08/2017
W/O
640674
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00751
PipeID
P23484
Time
12:55 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K4573
Sewer Name
20 20TH STREET EAST RELIEF TRUNK
City
PALMDALE
Loc. details
Main Highway - Suburban/Rural
Location Code
B
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
12
Purpose
Routine Assessment
Project
WO_640674_TV20031_JUN2017
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
20 0286
Downstream MH
20 0285A
Dir. of Survey
Downstream
Length Surveyed
179.1 ft.
Total Length
179.1 ft.
Structural Index
3
Structural Quick
3F00
Structural Rating
105
O&M Index
2
O&M Quick
2F00
O&M Rating
70
Overall Index
3
Overall Quick
Overall Rating
175
Pipe schematic from manhole 20 0286 to 20 0285A
MH: 20 0286MH: 20 0285Adownstream0 ft. AMH - Upstream Manhole, Survey Begins - 20 02860 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. MWL - Water Level, 15 %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, Start2 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start3 ft. MGO - General Observation - MAG COATING 60%23.9 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"48.8 ft. TFA - Tap Factory Made Active, at 10 o'clock, -, within 8 inches of joint: NO, 6"73.1 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"97.3 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"121.7 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"149.7 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"174.3 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"177.4 ft. MGO - General Observation - COCKROACHES IN MANHOLE177.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish177.4 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish179.1 ft. AMH - Downstream Manhole, Survey Ends - 20 0285A179.1 ft. MGO - General Observation - ACTIVE CONNECTION AT MH 3 O'CLOCK

Observations (18)

DistanceCodeObservation
174.3TFC
177.4MGOCOCKROACHES IN MANHOLE
73.1TFC
3MGOMAG COATING 60%
179.1AMH20 0285A
48.8TFA
2DAGS
179.1MGOACTIVE CONNECTION AT MH 3 O'CLOCK
177.4DAGS
121.7TFC
177.4SAV
0AMH20 0286
97.3TFC
149.7TFC
0MWM
0MWL
2SAV
23.9TFC

Properties (4)

additional_info
SC345249
custom_field_two
3
customer
LACSD
datetime
2017-06-08T00:55:56-07:00