Date 08/31/2016
W/O 0591703
Weather Dry
Operator/Surveyor MIRANDA
Sewer ID Z00726
PipeID P15174
Time 8:20 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 0205
Dir. of Survey Upstream
Length Surveyed 319.1 ft.
Total Length 319.1 ft.
Structural Index 0
Structural Quick 0000
Structural Rating 0
O&M Index 2
O&M Quick 2300
O&M Rating 6
Overall Index 2
Overall Quick —
Overall Rating 6 Pipe schematic from manhole 19 0204 to 19 0205 MH: 19 0204 MH: 19 0205 upstream 0 ft. AMH - Upstream Manhole, Survey Ends - 8:43 AM 1.3 ft. MGO - General Observation - ACTIVE CONN. INSIDE THE MH. @ 03 O'CLOCK 1.3 ft. MGO - General Observation - ROACHES INSIDE THE MH. 1.7 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 11.4 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 11 o'clock, , within 8 inches of joint: YES - COMING OUT OF THE LATERAL 12.4 ft. TFC - Tap Factory Made Capped, at 11 o'clock, -, within 8 inches of joint: YES, 4" 109.4 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 11 o'clock, , within 8 inches of joint: YES - COMING OUT OF THE LATERAL 110.2 ft. TFC - Tap Factory Made Capped, at 11 o'clock, -, within 8 inches of joint: YES, 4" 213.9 ft. TFC - Tap Factory Made Capped, at 11 o'clock, -, within 8 inches of joint: YES, 4" 311 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 319.1 ft. MWL - Water Level, 25 %of cross sectional area 319.1 ft. MGO - General Observation - ROACHES INSIDE THE MH. 319.1 ft. AMH - Downstream Manhole, Survey Begins - 8:21 AM 319.1 ft. MWM - Water Mark, 25 %of cross sectional area Observation photos (2) 8.1 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
209.7 ft. - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 11 o'clock, , within 8 inches of joint: YES - COMING OUT OF THE LATERAL