Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 28, 2019, 07:27 AM
  • 29 0401_29 0400B _08282019_003339.mp4

Date
08/28/2019
W/O
782451
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z01090
PipeID
P26674
Time
12:27 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K6914
Sewer Name
29 ALAMITOS PUMPING PLANT SEWER
City
SIGNAL HILL
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 29
Page No.
04
Purpose
Routine Assessment
Project
RFIR_WO_782451_TV29066_AUG2019
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
8 in.
Width
8 in.
Upstream MH
29 0401
Downstream MH
29 0400B
Dir. of Survey
Downstream
Length Surveyed
13.2 ft.
Total Length
13.2 ft.
Structural Index
1
Structural Quick
1300
Structural Rating
3
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
1
Overall Quick
Overall Rating
7
Pipe schematic from manhole 29 0401 to 29 0400B
MH: 29 0401MH: 29 0400Bdownstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 29 04010 ft. MWM - Water Mark, 15 %of cross sectional area0 ft. SRI - Surface Roughness Increased, from 07 to 05 o'clock, within 8 inches of joint: YES, Start5 ft. DAZ - Deposits Attached Other, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Start - MINERALS6.1 ft. TFB - Tap Factory Made Abandoned, at 09 o'clock, -, within 8 inches of joint: NO, 6"10.6 ft. DAZ - Deposits Attached Other, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Finish12.7 ft. MGO - General Observation - CONNECTION AT MH 9 O'CLOCK13 ft. SRI - Surface Roughness Increased, from 07 to 05 o'clock, within 8 inches of joint: YES, Finish13.2 ft. AMH - Downstream Manhole, Survey Ends - 29 0400B

Observation photos (3)

  • Upstream Manhole, Survey Begins - 29 0401

    0 ft. - Upstream Manhole, Survey Begins - 29 0401

  • Surface Roughness Increased, from 07 to 05 o'clock, within 8 inches of joint: YES, Start

    0 ft. - Surface Roughness Increased, from 07 to 05 o'clock, within 8 inches of joint: YES, Start

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

    5 ft. - Deposits Attached Other, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Start - MINERALS

Observations (10)

DistanceCodeObservation
0MWL
6.1TFB
13SRI
0AMH29 0401
10.6DAZ
5DAZMINERALS
0MWM
0SRI
13.2AMH29 0400B
12.7MGOCONNECTION AT MH 9 O'CLOCK

Properties (7)

additional_info
SC378511
custom_field_two
4
customer
LACSD
datetime
2019-08-28T00:27:30-07:00
documentation
PROPIPE
is_lateral_inspection
false
lining
CIPP