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Video Inspection Manual Joseph P. Ellis 3/5/2009

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Video Inspection Manual Joseph P. Ellis 3/5/2009
Video Inspection Manual
Joseph P. Ellis
[email protected]
3/5/2009
1
I t d ti
Introduction





3/5/2009
Video Inspection required for all
Storm Drain Pipes and U-drain
612529 – Pipe Video Inspection
715000 – Perforated Pipe U-drain
Subdivision Manual
CCTV Manual
2
Hi t
History


Used for Sanitary Sewers
DelDOT’s p
problems with sinkholes

1990’s
 $1,000,000.00

Rte 4
 $300,000.00

+ 3 months
Current Cost
 $2
3/5/2009
/ year
mil / year
3
Hi t
History



3/5/2009
1996 – Video required in
subdivisions
Crossroad pipes
All pipes
4
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5
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6
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7
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8
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9
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10
STORM SEWER
CCTV MANUAL
FOR
STORM SEWER
ASSESSMENT
AND
3/5/2009
ACCEPTANCE
11
STORM SEWER
CCTV MANUAL
FOR
STORM SEWER
ASSESSMENT
AND
ACCEPTANCE
3/5/2009
deldot.gov / info-pubs /_forms-manuals / pipe video12
•INTRODUCTION
•PREPARATION
•INSPECTION
INSPECTION
PROCEDURES
•DEFECT TERMS
•PIPE JOINT ACCEPTANCE
CRITERIA
STORM SEWER REPAIR
•STORM
TECHNIQUES
•CALIBRATION
3/5/2009
13
P
Preparation
ti



3/5/2009
Number pipe runs
Number Drainage Inlets &
Manholes
Flush pipes if needed
14
P
Preparation
ti



3/5/2009
GPS all new structures
Proper traffic control
Flow control
15
I
Inspection
ti P
Proceedures
d

Schedule inspection



3/5/2009
Prior to top coat of pavement
Follow confine space rules
Inspector must be present
16
I
Inspection
ti P
Proceedures
d

Schedule inspection



Follow confine space rules
Inspector must be present

3/5/2009
Prior to top coat of pavement
48 hour notice
17
I
Inspection
ti




3/5/2009
Flush upstream & video
downstream
Slow – stopping at every joint
Control Lighting
Identify all potential defects
18
P t ti l Defects
Potential
D f t

Defect Terms

Close consistency with
 NASSCO


3/5/2009
/ PAPC
Specifically describing storm sewer
conditions
Operators should become familiar
w/ these terms
19
2/9/2009
2/9/2009
3/5/2009
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21
20
CRACK
Ci l
Circular
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21
CRACK longitudinal
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FRACTURE
23
BROKEN
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HOLE
25
HOLE
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DEFORMED
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27
D f
Deformed
d Pipe
Pi



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Flexible pipe w/ deflection greater
than 5% must be corrected
Determined by visual inspection
Can be challenged w/ GO-NO-GO
mandrel or direct measurement
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COLLAPSE
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COLLAPSE
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JOINT
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Offset
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JOINT - Open
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MASONRY - Displaced
33
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Pi JJoints
Pipe
i t A
Acceptance
t
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
Joints greater than manufacturer
tolerances are not watertight

Chapter 7 describes how to
measure joints
35
R
Reports
t

Written report & DVD

3/5/2009
List form w/ footage
36
R
Reports
t
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37
R
Reports
t

Written report & DVD
List form w/ footage
 Map of pipe run in plan view or
cross-sectional view

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R
Reports
t

DVD
Mpeg format
 Commentary

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41
R
Reports
t

GPS Report

2 dimensional coordinates
 Northing
and Easting
Drainage Inlets, Manholes and
intake or outlet ends of pipe
 NPDES database

3/5/2009
42
R i Techniques
Repair
T h i


Replace or repair
Trenchless technology
gy
Chemical Grouting
 Cure-in-place lining
 Fold-N-Form Pipe
 Slip Lining

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43
THANK
YOU
http://www.deldot.gov/information/pu
bs_forms/manuals/pipe
p p _video/video
_pipe_manual_optimized.pdf
3/5/2009
44
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