Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Oct 6, 2017, 05:05 AM
  • 16 0107_16 0106 _05102017_220645.mp4

Date
10/05/2017
W/O
663354
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00641
PipeID
P13145
Time
10:05 PM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K4995
Sewer Name
16 ALLEN AVENUE TRUNK, SECTION 5
City
SAN MARINO
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 16
Page No.
14
Purpose
Routine Assessment
Project
WO_663354_TV16009_OCT2017
Material
NRCP
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
16 0107
Downstream MH
16 0106
Dir. of Survey
Downstream
Length Surveyed
378.4 ft.
Total Length
378.4 ft.
Structural Index
1
Structural Quick
1100
Structural Rating
1
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
2
Overall Quick
Overall Rating
3
Pipe schematic from manhole 16 0107 to 16 0106
MH: 16 0107MH: 16 0106downstream0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 16 01070 ft. MWM - Water Mark, 25 %of cross sectional area3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start3.4 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start218 ft. TB - Tap Break-In, at 11 o'clock, -, within 8 inches of joint: NO, 6"378 ft. MGO - General Observation - Magnesium Hyrdroxide Coat throughout, 10 to 2 oclock, 25%378.4 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish378.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish378.4 ft. AMH - Downstream Manhole, Survey Ends - 16 0106

Observation photos (2)

  • Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

    3 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 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

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

Observations (10)

DistanceCodeObservation
378.4SRI
0MWL
378MGOMagnesium Hyrdroxide Coat throughout, 10 to 2 oclock, 25%
378.4DAGS
378.4AMH16 0106
3.4SRI
0AMH16 0107
3DAGS
0MWM
218TB

Properties (5)

additional_info
SC345987
custom_field_two
3
customer
LACSD
datetime
2017-10-05T22:05:46-07:00
sewer_category
Gravity