Date 08/31/2016
W/O 0591703
Weather Dry
Operator/Surveyor MIRANDA
Sewer ID Z00726
PipeID P15173
Time 8:59 AM
Certificate U-1014-06022542
System Owner LACSD
Date Cleaned —
Pre-Cleaning Not Known
Media Label G7221
Sewer Name 19 NORWALK BOULEVARD TRUNK
City CERRITOS
Loc. details Light Highway
Location Code C
Use of Sewer Sanitary Sewer
District District 19
Page No. 04
Purpose Routine Assessment
Project 20160830AM_NORWALK_BOULEVARD_TRUNK
Material Vitrified Clay Pipe
Shape Circular
Height 21 in.
Upstream MH 19 0204
Downstream MH 19 0203
Dir. of Survey Downstream
Length Surveyed 500.4 ft.
Total Length 500.4 ft.
Structural Index 0
Structural Quick 0000
Structural Rating 0
O&M Index 2
O&M Quick 2100
O&M Rating 2
Overall Index 2
Overall Quick —
Overall Rating 2 Pipe schematic from manhole 19 0204 to 19 0203 MH: 19 0204 MH: 19 0203 downstream 0 ft. AMH - Upstream Manhole, Survey Begins - 9:08 AM 0 ft. MWL - Water Level, 15 %of cross sectional area 0 ft. MGO - General Observation - ROACHES INSIDE THE MH. 0 ft. MWM - Water Mark, 25 %of cross sectional area 18.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - POSSIBLE SCALE AS WELL 113.1 ft. TFC - Tap Factory Made Capped, at 01 o'clock, -, within 8 inches of joint: NO, 4" 211.5 ft. TFC - Tap Factory Made Capped, at 01 o'clock, -, within 8 inches of joint: NO, 4" 314.9 ft. TFC - Tap Factory Made Capped, at 01 o'clock, -, within 8 inches of joint: NO, 4" 412.8 ft. TFC - Tap Factory Made Capped, at 01 o'clock, -, within 8 inches of joint: NO, 4" 415.2 ft. MWL - Water Level, 20 %of cross sectional area 498.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - POSSIBLE SCALE AS WELL 498.4 ft. MGO - General Observation - ACTIVE CONN. INSIDE THE MH. @ 03 O'CLOCK 498.4 ft. MGO - General Observation - ROACHES INSIDE THE MH. 500.4 ft. AMH - Downstream Manhole, Survey Ends - 9:27 AM Observation photos (5) 0 ft. - Water Level, 15 %of cross sectional area
0 ft. - General Observation - ROACHES INSIDE THE MH.
0 ft. - Water Mark, 25 %of cross sectional area
18.1 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - POSSIBLE SCALE AS WELL
415.2 ft. - Water Level, 20 %of cross sectional area