Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 11, 2022, 06:11 AM

  • 21 0821A_21 0821_03102022_232117.mp4

Date
03/10/2022
W/O
941465
Weather
Dry
Operator/Surveyor
M.MARTINEZ
Sewer ID
Z00772
PipeID
P15922
Time
10:11 PM
Certificate
U-115-06022794
System Owner
1
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
K9954
Sewer Name
21 LA VERNE TRUNK, SECTION 2
City
LA VERNE
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
05
Purpose
Routine Assessment
Project
RFIR_WO_941465_TV21092_MAR2022
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
21 0821A
Downstream MH
21 0821
Dir. of Survey
Downstream
Length Surveyed
76.5 ft.
Total Length
76.5 ft.
Structural Index
3
Structural Quick
4736
Structural Rating
52
O&M Index
1
O&M Quick
4121
O&M Rating
15
Overall Index
2
Overall Quick
—
Overall Rating
67
Pipe schematic from manhole 21 0821A to 21 0821
MH: 21 0821AMH: 21 0821downstream0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. MWM - Water Mark, 60 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 0821A0 ft. MGO - General Observation - CONNECTION AT MH 3 O'CLOCK2.1 ft. RFJ - Roots Fine Joint, from 08 to 10 o'clock, within 8 inches of joint: YESR2.8 ft. CL - Crack Longitudinal, at 12 o'clock, within 8 inches of joint: YES5.5 ft. CS - Crack Spiral, from 12 to 01 o'clock, within 8 inches of joint: YES, Start13.1 ft. RFJ - Roots Fine Joint, from 08 to 04 o'clock, within 8 inches of joint: YESR, Start17.9 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start17.9 ft. CS - Crack Spiral, from 12 to 01 o'clock, within 8 inches of joint: YES, Finish51.7 ft. RFJ - Roots Fine Joint, from 08 to 04 o'clock, within 8 inches of joint: YESR, Finish51.7 ft. SCP - Surface Corrosion Metal Pipe, from 08 to 04 o'clock, within 8 inches of joint: YES, Start51.7 ft. MMC - Material Change, Cast Iron51.7 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish76.5 ft. MSA - Survey Abandoned - DUE TO SAG76.5 ft. MWLS - Water Level, Sag in pipe, 50 %of cross sectional area76.5 ft. MMC - Material Change, Vitrified clay pipe76.5 ft. DAGS - Deposits Attached Grease, 10 %of cross sectional area, from 02 to 10 o'clock, , within 8 inches of joint: YES76.5 ft. SCP - Surface Corrosion Metal Pipe, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish

Observation photos (11)

  • Roots Fine Joint, from 08 to 10 o'clock, within 8 inches of joint: YESR

    2.1 ft. - Roots Fine Joint, from 08 to 10 o'clock, within 8 inches of joint: YESR

  • Crack Longitudinal, at 12 o'clock, within 8 inches of joint: YES

    2.8 ft. - Crack Longitudinal, at 12 o'clock, within 8 inches of joint: YES

  • Crack Spiral, from 12 to 01 o'clock, within 8 inches of joint: YES, Start

    5.5 ft. - Crack Spiral, from 12 to 01 o'clock, within 8 inches of joint: YES, Start

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

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

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

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

  • Surface Corrosion Metal Pipe, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    51.7 ft. - Surface Corrosion Metal Pipe, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • Material Change, Cast Iron

    51.7 ft. - Material Change, Cast Iron

  • Survey Abandoned - DUE TO SAG

    76.5 ft. - Survey Abandoned - DUE TO SAG

  • Water Level, Sag in pipe, 50 %of cross sectional area

    76.5 ft. - Water Level, Sag in pipe, 50 %of cross sectional area

  • Material Change, Vitrified clay pipe

    76.5 ft. - Material Change, Vitrified clay pipe

  • Deposits Attached Grease, 10 %of cross sectional area, from 02 to 10 o'clock, , within 8 inches of joint: YES

    76.5 ft. - Deposits Attached Grease, 10 %of cross sectional area, from 02 to 10 o'clock, , within 8 inches of joint: YES

All inspections of P15922Work order 941465

Observations (19)

DistanceCodeObservation
0MWL—
51.7RFJ—
51.7SCP—
76.5MSADUE TO SAG
5.5CS—
13.1RFJ—
17.9FM—
0MWM—
2.1RFJ—
0AMH21 0821A
17.9CS—
51.7MMC—
2.8CL—
76.5MWLS—
76.5MMC—
76.5DAGS—
76.5SCP—
0MGOCONNECTION AT MH 3 O'CLOCK
51.7FM—

Properties (7)

additional_info
630098031022201
custom_field_three
SEVERE SAG
custom_field_two
5
customer
1
datetime
2022-03-10T22:11:43-08:00
documentation
PRO PIPE
is_lateral_inspection
false