Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 2, 2019, 05:20 AM
  • 20 0293_20 0292 _01072019_223238.mp4

Date
07/01/2019
W/O
771940
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00751
PipeID
P19259
Time
10:20 PM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K6622
Sewer Name
20 20TH STREET EAST RELIEF TRUNK
City
PALMDALE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
12
Purpose
Routine Assessment
Project
RFIR_WO_771940_TV20025_JUN2019
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
20 0293
Downstream MH
20 0292
Dir. of Survey
Downstream
Length Surveyed
311.2 ft.
Total Length
311.2 ft.
Structural Index
3
Structural Quick
3K2K
Structural Rating
308
O&M Index
2
O&M Quick
312L
O&M Rating
135
Overall Index
2
Overall Quick
Overall Rating
443
Pipe schematic from manhole 20 0293 to 20 0292
MH: 20 0293MH: 20 0292downstream0 ft. MGO - General Observation - ACTIVE CONNECTION AT MH 9 O'CLOCK0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 02932 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start2 ft. SZ - Surface Other, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - 60% MAG2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start11 ft. TFA - Tap Factory Made Active, at 02 o'clock, -, within 8 inches of joint: NO, 6"38.8 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"67.1 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: YES, 4", 6" - OPEN111.2 ft. TBA - Tap Break-In Active, at 10 o'clock, -, within 8 inches of joint: NO, 6"127 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: YES, 4", 6" - OPEN172 ft. TFD - Tap Factory Made Defective, at 10 o'clock, -, within 8 inches of joint: YES, 4", 6" - 95% ROOTS/LATERAL186.7 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: YES, 4", 6" - OPEN234.7 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"234.7 ft. RTL - Roots Tap Lateral, at 10 o'clock, 20 %, within 8 inches of joint: YES - DEFECTIVE247.2 ft. TFD - Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: YES, 4", 6" - 55% ROOTS/LATERAL/ACTIVE247.2 ft. RML - Roots Medium Lateral, from 01 to 04 o'clock, 15 %, within 8 inches of joint: NO - 20% ROOTS288 ft. TB - Tap Break-In, at 11 o'clock, -, within 8 inches of joint: YES, 4", 6" - OPEN300 ft. TFD - Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: YES, 4", 4" - 45% ROOTS/LATERAL/ACTIVE300 ft. TFA - Tap Factory Made Active, at 02 o'clock, -, within 8 inches of joint: NO, 6"309 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish309 ft. SZ - Surface Other, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - 60% MAG310.2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish310.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish311.2 ft. AMH - Downstream Manhole, Survey Ends - 20 0292

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

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

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

  • Roots Tap Lateral, at 10 o'clock, 20 %, within 8 inches of joint: YES - DEFECTIVE

    234.7 ft. - Roots Tap Lateral, at 10 o'clock, 20 %, within 8 inches of joint: YES - DEFECTIVE

  • Roots Medium Lateral, from 01 to 04 o'clock, 15 %, within 8 inches of joint: NO - 20% ROOTS

    247.2 ft. - Roots Medium Lateral, from 01 to 04 o'clock, 15 %, within 8 inches of joint: NO - 20% ROOTS

Observations (27)

DistanceCodeObservation
247.2TFD55% ROOTS/LATERAL/ACTIVE
38.8TFC
0MGOACTIVE CONNECTION AT MH 9 O'CLOCK
11TFA
234.7TFC
127TFOPEN
172TFD95% ROOTS/LATERAL
2SSS
2SZ60% MAG
309SSS
186.7TFOPEN
300TFD45% ROOTS/LATERAL/ACTIVE
0MWM
247.2RML20% ROOTS
310.2SAP
288TBOPEN
2DAGS
234.7RTLDEFECTIVE
0MWL
111.2TBA
67.1TFOPEN
309SZ60% MAG
311.2AMH20 0292
2SAP
310.2DAGS
300TFA
0AMH20 0293

Properties (6)

additional_info
SC378188
custom_field_two
2
customer
LACSD
datetime
2019-07-01T22:20:55-07:00
documentation
PRO PIPE
is_lateral_inspection
false