Date 01/25/2018
W/O 0686418
Weather Dry
Operator/Surveyor MARTIN
Sewer ID Z00366
PipeID P05081
Time 4:19 AM
Certificate U-1014-06022543
System Owner LACSD
Date Cleaned —
Pre-Cleaning Not Known
Media Label H0731
Sewer Name 03 LOS COYOTES DIAGONAL TRUNK
City ARTESIA
Loc. details Light Highway
Location Code C
Use of Sewer Sanitary Sewer
District District 03
Page No. 09
Purpose Maintenance Related
Project 20180125MDM_LOS_COYOTES_DIAGONAL_TRUNK
Material Vitrified Clay Pipe
Shape Circular
Height 15 in.
Upstream MH 03 0060
Downstream MH 03 0059
Dir. of Survey Downstream
Length Surveyed 308.8 ft.
Total Length 308.8 ft.
Structural Index 0
Structural Quick 0000
Structural Rating 0
O&M Index 3
O&M Quick 4121
O&M Rating 6
Overall Index 3
Overall Quick —
Overall Rating 6 Pipe schematic from manhole 03 0060 to 03 0059 MH: 03 0060 MH: 03 0059 downstream 0 ft. AMH - Upstream Manhole, Survey Begins - 5:25AM 0 ft. MWM - Water Mark, 20 %of cross sectional area 0 ft. MWL - Water Level, 10 %of cross sectional area 0 ft. MGO - General Observation - MH CONN 9:00 ACTIVE 4.7 ft. MGO - General Observation - 15" VCP 39.3 ft. TF - Tap Factory Made, at 12 o'clock, -, within 8 inches of joint: YES, 6" - Active 90.7 ft. DAE - Deposits Attached Encrustation, 10 % TO 20% of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES - THROUGHOUT REACH 144.1 ft. TF - Tap Factory Made, at 12 o'clock, -, within 8 inches of joint: YES, 6" - Active 199.9 ft. TF - Tap Factory Made, at 12 o'clock, -, within 8 inches of joint: YES, 6" - Active 232.9 ft. MWM - Water Mark, 30 %of cross sectional area 232.9 ft. MWL - Water Level, 20 %of cross sectional area 281.8 ft. MWL - Water Level, 40 %of cross sectional area 281.8 ft. MWM - Water Mark, 50 %of cross sectional area 300.4 ft. TF - Tap Factory Made, at 12 o'clock, -, within 8 inches of joint: YES, 6" - Active 308.4 ft. MGO - General Observation - MH CONN ACTIVE 9:00 308.8 ft. AMH - Downstream Manhole, Survey Ends - 5:45AM Observation photos (2) 4.7 ft. - General Observation - 15" VCP
90.7 ft. - Deposits Attached Encrustation, 10 % TO 20% of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES - THROUGHOUT REACH