Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Dec 11, 2019, 10:18 AM

  • 22 0376_22 0375 _12112019_023726.mp4

Date
12/11/2019
W/O
798663
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00831
PipeID
P16709
Time
2:18 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
K7185
Sewer Name
22 WALNUT CREEK TRUNK, SECTION 3
City
COVINA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
33
Purpose
Routine Assessment
Project
WO_798663_TV22066_NOV2019
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
21 in.
Width
21 in.
Upstream MH
22 0376
Downstream MH
22 0375
Dir. of Survey
Downstream
Length Surveyed
510.9 ft.
Total Length
510.9 ft.
Structural Index
2
Structural Quick
3S2U
Structural Rating
621
O&M Index
2
O&M Quick
322T
O&M Rating
214
Overall Index
2
Overall Quick
—
Overall Rating
835
Pipe schematic from manhole 22 0376 to 22 0375
MH: 22 0376MH: 22 0375downstream0 ft. AMH - Upstream Manhole, Survey Begins - 22 03760 ft. MWM - Water Mark, 15 %of cross sectional area0 ft. MWL - Water Level, 10 %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. SSS - Surface Spalling, from 08 to 04 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, Start2.5 ft. MGO - General Observation - 65% MAG COATING11.8 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start36.2 ft. TFA - Tap Factory Made Active, at 02 o'clock, -, within 8 inches of joint: YES, 4", 6"91.9 ft. MWLS - Water Level, Sag in pipe, 15 %of cross sectional area, Start133 ft. MWLS - Water Level, Sag in pipe, 15 %of cross sectional area, Finish252.5 ft. TB - Tap Break-In, at 02 o'clock, -, within 8 inches of joint: NO, 6" - OPEN260.4 ft. RML - Roots Medium Lateral, from 07 to 10 o'clock, 10 %, within 8 inches of joint: YES260.6 ft. TBD - Tap Break-In Defective, at 10 o'clock, -, , within 8 inches of joint: YES, 4", 6" - 40% ROOTS-LATERAL272 ft. TB - Tap Break-In, at 02 o'clock, -, within 8 inches of joint: NO, 6" - OPEN317.4 ft. TBC - Tap Break-In Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"332.7 ft. TB - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: NO, 6" - OPEN357.5 ft. TBC - Tap Break-In Capped, at 01 o'clock, -, within 8 inches of joint: NO, 6"419.5 ft. TB - Tap Break-In, at 02 o'clock, -, within 8 inches of joint: NO, 6" - OPEN430.8 ft. TBC - Tap Break-In Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"495 ft. TB - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: NO, 6" - OPEN508 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish508 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish509.4 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish509.4 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish510.9 ft. AMH - Downstream Manhole, Survey Ends - 22 0375

Observation photos (3)

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

    2 ft. - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

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

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

  • Roots Medium Lateral, from 07 to 10 o'clock, 10 %, within 8 inches of joint: YES

    260.4 ft. - Roots Medium Lateral, from 07 to 10 o'clock, 10 %, within 8 inches of joint: YES

All inspections of P16709Work order 798663

Observations (26)

DistanceCodeObservation
508DAGS—
2DAGS—
260.6TBD40% ROOTS-LATERAL
260.4RML—
0AMH22 0376
272TBOPEN
91.9MWLS—
510.9AMH22 0375
0MWM—
509.4SRI—
2SSS—
508SSS—
36.2TFA—
430.8TBC—
495TBOPEN
0MWL—
509.4SAV—
332.7TBOPEN
2SAV—
2.5MGO65% MAG COATING
11.8SRI—
317.4TBC—
419.5TBOPEN
133MWLS—
252.5TBOPEN
357.5TBC—

Properties (6)

additional_info
SC398425
custom_field_two
3
customer
LACSD
datetime
2019-12-11T02:18:03-08:00
documentation
PROPIPE
is_lateral_inspection
false