Date 08/30/2016
W/O 0591703
Weather Very Dry
Operator/Surveyor MIRANDA
Sewer ID Z00726
PipeID P15177
Time 1:35 PM
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 0208
Downstream MH 19 0207
Dir. of Survey Downstream
Length Surveyed 150.5 ft.
Total Length 150.5 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 0208 to 19 0207 MH: 19 0208 MH: 19 0207 downstream 0 ft. MWL - Water Level, 15 %of cross sectional area 0 ft. MWM - Water Mark, 20 %of cross sectional area 0 ft. MGO - General Observation - ROACHES INSIDE THE MH. 0 ft. AMH - Upstream Manhole, Survey Begins - 1:39 PM 24.3 ft. TFC - Tap Factory Made Capped, at 01 o'clock, -, within 8 inches of joint: NO, 4" 34.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - GREASE/DEBRIS 82.2 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 01 to 04 o'clock, , within 8 inches of joint: NO - COMING OUT OF THE LATERAL 82.2 ft. TFC - Tap Factory Made Capped, at 01 o'clock, -, within 8 inches of joint: NO, 4" 147.8 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES 147.8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - GREASE/DEBRIS 148.4 ft. MGO - General Observation - ROACHES INSIDE THE MH. 148.4 ft. MGO - General Observation - ACTIVE CONN. INSIDE THE MH. @ 03 O'CLOCK 150.5 ft. AMH - Downstream Manhole, Survey Ends - 1:52 PM Observation photos (3) 34.2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - GREASE/DEBRIS
82.2 ft. - Deposits Attached Encrustation, 5 %of cross sectional area, from 01 to 04 o'clock, , within 8 inches of joint: NO - COMING OUT OF THE LATERAL
147.8 ft. - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES