Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 23, 2017, 08:18 AM
  • 21 0613_21 0612_08232017_012036.mp4

Date
08/23/2017
W/O
646223
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00786
PipeID
P15765
Time
1:18 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K4720
Sewer Name
21 TRI-CITIES OUTFALL TRUNK
City
POMONA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
15
Purpose
Routine Assessment
Project
WO_646223_TV21082_JUL2017
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
21 0613
Downstream MH
21 0612
Dir. of Survey
Downstream
Length Surveyed
449.3 ft.
Total Length
449.3 ft.
Structural Index
3
Structural Quick
3500
Structural Rating
15
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
17
Pipe schematic from manhole 21 0613 to 21 0612
MH: 21 0613MH: 21 0612downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 06130 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, Start5 ft. CM - Crack Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES9.3 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start432.5 ft. MMC - Material Change, Concrete pipe (non-reinfored)432.5 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start446.9 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish446.9 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish446.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish449.3 ft. AMH - Downstream Manhole, Survey Ends - 21 0612449.3 ft. MGO - General Observation - ACTIVE CONNECTION AT MH 8 O'CLOCK

Observation photos (4)

  • 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

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

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

  • Material Change, Concrete pipe (non-reinfored)

    432.5 ft. - Material Change, Concrete pipe (non-reinfored)

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

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

Observations (13)

DistanceCodeObservation
432.5MMC
446.9CM
432.5SAV
0AMH21 0613
0MWM
446.9SAV
449.3AMH21 0612
446.9DAGS
0MWL
9.3CM
449.3MGOACTIVE CONNECTION AT MH 8 O'CLOCK
5CM
2DAGS

Properties (5)

additional_info
SC345722
custom_field_two
4
customer
LACSD
datetime
2017-08-23T01:18:59-07:00
sewer_category
Gravity