Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 21, 2017, 10:05 AM
  • 21 0420_21 0419A _03212017_031835.mp4

Date
03/21/2017
W/O
624444
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00762
PipeID
P15627
Time
3:05 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K4414
Sewer Name
21 DIAMOND BAR TRUNK
City
DIAMOND BAR
Loc. details
Main Highway - Suburban/Rural
Location Code
B
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
36
Purpose
Routine Assessment
Project
WO_624444_TV21006_MAR2017
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
21 0420
Downstream MH
21 0419A
Dir. of Survey
Downstream
Length Surveyed
265.1 ft.
Total Length
265.1 ft.
Structural Index
3
Structural Quick
3222
Structural Rating
10
O&M Index
2
O&M Quick
2I00
O&M Rating
104
Overall Index
2
Overall Quick
Overall Rating
114
Pipe schematic from manhole 21 0420 to 21 0419A
MH: 21 0420MH: 21 0419Adownstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 04200 ft. MWM - Water Mark, 35 %of cross sectional area0 ft. MWL - Water Level, 15 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start36.9 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"64.9 ft. CS - Crack Spiral, from 08 to 10 o'clock, within 8 inches of joint: YES79.5 ft. TBA - Tap Break-In Active, at 01 o'clock, -, within 8 inches of joint: NO, 6"87.5 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"134 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"141.4 ft. CM - Crack Multiple, from 10 to 02 o'clock, within 8 inches of joint: YES172 ft. CM - Crack Multiple, from 09 to 10 o'clock, within 8 inches of joint: YES189.2 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"234.8 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"258 ft. CS - Crack Spiral, from 09 to 10 o'clock, within 8 inches of joint: YES261.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish265.1 ft. MGO - General Observation - CONNECTION AT MH 9 O'CLOCK265.1 ft. AMH - Downstream Manhole, Survey Ends - 21 0419A

Observation photos (5)

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

  • Crack Spiral, from 08 to 10 o'clock, within 8 inches of joint: YES

    64.9 ft. - Crack Spiral, from 08 to 10 o'clock, within 8 inches of joint: YES

  • Crack Multiple, from 10 to 02 o'clock, within 8 inches of joint: YES

    141.4 ft. - Crack Multiple, from 10 to 02 o'clock, within 8 inches of joint: YES

  • Crack Multiple, from 09 to 10 o'clock, within 8 inches of joint: YES

    172 ft. - Crack Multiple, from 09 to 10 o'clock, within 8 inches of joint: YES

  • Crack Spiral, from 09 to 10 o'clock, within 8 inches of joint: YES

    258 ft. - Crack Spiral, from 09 to 10 o'clock, within 8 inches of joint: YES

Observations (17)

DistanceCodeObservation
0AMH21 0420
79.5TBA
265.1MGOCONNECTION AT MH 9 O'CLOCK
0MWM
134TFC
36.9TFC
2DAGS
141.4CM
64.9CS
172CM
258CS
0MWL
261.9DAGS
234.8TFC
189.2TFC
87.5TFC
265.1AMH21 0419A

Properties (4)

additional_info
SC306979
custom_field_two
3
customer
LACSD
datetime
2017-03-21T03:05:44-07:00