Date 09/03/2016
W/O 0591703
Weather Dry
Operator/Surveyor MIRANDA
Sewer ID Z00726
PipeID P15161
Time 8:43 AM
Certificate U-1014-06022542
System Owner LACSD
Date Cleaned —
Pre-Cleaning Not Known
Media Label G7224
Sewer Name 19 NORWALK BOULEVARD TRUNK
City LAKEWOOD
Loc. details Light Highway
Location Code C
Use of Sewer Sanitary Sewer
District District 19
Page No. 07
Purpose Routine Assessment
Project 20160902AM_NORWALK_BOULEVARD_TRUNK
Material Vitrified Clay Pipe
Shape Circular
Height 21 in.
Upstream MH 19 0192
Downstream MH 19 0191
Dir. of Survey Downstream
Length Surveyed 401.2 ft.
Total Length 401.2 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 0192 to 19 0191 MH: 19 0192 MH: 19 0191 downstream 0 ft. MGO - General Observation - ROACHES INSIDE THE MH. 0 ft. MWL - Water Level, 10 %of cross sectional area 0 ft. MWM - Water Mark, 15 %of cross sectional area 0 ft. AMH - Upstream Manhole, Survey Begins - 8:43 AM 38.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 07 to 05 o'clock, , within 8 inches of joint: YES, Start - POSSIBLE CALCIUM/GREASE 371.7 ft. MWL - Water Level, 20 %of cross sectional area 371.7 ft. MWM - Water Mark, 25 %of cross sectional area 399.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Finish - POSSIBLE CALCIUM/GREASE 399.7 ft. MGO - General Observation - ROACHES INSIDE THE MH. 399.7 ft. MGO - General Observation - ACTIVE CONN. INSIDE THE MH. @ 09 O'CLOCK 401.2 ft. AMH - Downstream Manhole, Survey Ends - 8:57 AM Observation photos (3) 0 ft. - Water Level, 10 %of cross sectional area
38.3 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 07 to 05 o'clock, , within 8 inches of joint: YES, Start - POSSIBLE CALCIUM/GREASE
371.7 ft. - Water Mark, 25 %of cross sectional area