Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0May 30, 2017, 05:48 PM
Date
05/30/2017
W/O
635495
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00942
PipeID
P19964
Time
10:48 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K4534
Sewer Name
H JOINT OUTFALL H - UNIT 9C
City
COVINA
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
25
Purpose
Routine Assessment
Project
WO_635495_TV22079_MAY2017
Material
NRCP
Shape
Circular
Height
20 in.
Width
20 in.
Upstream MH
H 0770A
Downstream MH
H 1147
Dir. of Survey
Downstream
Length Surveyed
1044.3 ft.
Total Length
1044.3 ft.
Structural Index
1
Structural Quick
1g00
Structural Rating
202
O&M Index
2
O&M Quick
2j1B
O&M Rating
441
Overall Index
2
Overall Quick
Overall Rating
643
Pipe schematic from manhole H 0770A to H 1147
MH: H 0770AMH: H 1147downstream0 ft. AMH - Upstream Manhole, Survey Begins - H 0770A0 ft. MWM - Water Mark, 35 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area3.9 ft. DAGS - Deposits Attached Grease, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start9.2 ft. LL - Alignment Left, 15 %, Start34.5 ft. LL - Alignment Left, 15 %, Finish34.5 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start250.5 ft. LL - Alignment Left, 5 %, Start325 ft. LL - Alignment Left, 5 %, Finish1044.2 ft. MWM - Water Mark, 35 %of cross sectional area, Finish1044.3 ft. DAGS - Deposits Attached Grease, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish1044.3 ft. AMH - Downstream Manhole, Survey Ends - H 11471044.3 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish

Observation photos (4)

  • Deposits Attached Grease, 10 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

    3.9 ft. - Deposits Attached Grease, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

  • Alignment Left, 15 %, Start

    9.2 ft. - Alignment Left, 15 %, Start

  • Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    34.5 ft. - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • Alignment Left, 5 %, Start

    250.5 ft. - Alignment Left, 5 %, Start

Observations (13)

DistanceCodeObservation
325LL
1044.3DAGS
3.9DAGS
0AMHH 0770A
1044.2MWM
0MWM
34.5LL
0MWL
250.5LL
9.2LL
1044.3AMHH 1147
34.5SRI
1044.3SRI

Properties (5)

additional_info
SC340749
custom_field_two
4
customer
LACSD
datetime
2017-05-30T10:48:38-07:00
sewer_category
Gravity