pipe bursting cmw
TRANSCRIPT
-
7/25/2019 Pipe Bursting CMW
1/31
Potable Water Pipe Rehabilitation with Static PipeBursting Methodology -Consolidated Mutual Water
Company in Lakewood, CO
Dave Holcomb
TT Technologies, Inc.
Richard (Bo) Botteicher, PE
Underground Solutions, Inc.
http://www.tttechnologies.com/index.html -
7/25/2019 Pipe Bursting CMW
2/31
22
The pipe bursting process visually:
Pipe Bursting Basics The Process
New
Product
Pipe
-
7/25/2019 Pipe Bursting CMW
3/31
33
Positioning launch & exit pits
Traffic flow
Safety
Good communication
Minimal disruption
JOB SITE LAYOUT
Pipe Bursting Basics The Process
-
7/25/2019 Pipe Bursting CMW
4/31
44
Cast iron Clay
Concrete RCPPVC Asbestos cement
Truss Liners
Corrugated pipe
Ductile Iron
Steel
HOST PIPE
Pipe Bursting Basics The Process
-
7/25/2019 Pipe Bursting CMW
5/31
55
LENGTH OF RUN
Manhole to manhole
Through manholesLonger runs possible
Pipe Bursting Basics
-
7/25/2019 Pipe Bursting CMW
6/31
66
Original backfill
Expandable clayLoose cobble
Beach & running sand
Densely compacted clay
Sandstone
SOIL CONDITIONS
WORST
EST
I
F
U
L
T
Y
Pipe Bursting Basics
-
7/25/2019 Pipe Bursting CMW
7/3177
Small diameter, good soil
Medium diameter
Large diameter
Large diameter, poor soil
BENTONITE LUBRICATION
LW YS
M Y E
U
S
Pipe Bursting Basics
-
7/25/2019 Pipe Bursting CMW
8/3188
GRUNDOMUDD
Bentonite Mixing & Delivery System
Pipe Bursting Basics
-
7/25/2019 Pipe Bursting CMW
9/31 99
UPSIZING ABILITY
Pipe Bursting Basics
Soil conditions
Original trenchwidth
Expand enoughto overcut
Burst depth =10x upsizediameter
-
7/25/2019 Pipe Bursting CMW
10/31 1010
See it to believe it
Rely only on current video
Never burst blind
Communication between all parties
IMPORTANCE OF VIDEO
Pipe Bursting Basics
-
7/25/2019 Pipe Bursting CMW
11/31 1111
Fusion or Electro Fusion Welding
Insert-a Tees
Strap-on Service Saddles
Traditional Corp. StopPE Ball Valve
SERVICE CONNECTIONS
Pipe Bursting Basics
-
7/25/2019 Pipe Bursting CMW
12/31 1212
2 Major Categories of Bursting:
Pneumatic
Fracturable pipes (Cast Iron, VCP)
HDPE Installations
Static Hydraulic
Ductile pipe (Ductile Iron, Steel)Fracturable pipe
Multiple product pipe options
TOOL SELECTION
Pipe Bursting Basics Equipment Considerations
-
7/25/2019 Pipe Bursting CMW
13/31 1313
Pipe Bursting Basics Pnuematic Bursting Head
-
7/25/2019 Pipe Bursting CMW
14/31 1414
Static Pull System
Hydraulically Operated
Roller Cutting Blades Split Pipe
Quick-Lock Bursting Rods
Burst Ductile Iron & Steel + Fracturable
Pull in Numerous Product Pipe Options
STATIC BURSTING
Pipe Bursting Basics Static Bursting Equipment
-
7/25/2019 Pipe Bursting CMW
15/31 1515
STATIC PULL STEP #1
Pipe Bursting Basics Static Bursting Steps
-
7/25/2019 Pipe Bursting CMW
16/311616
STATIC PULL STEP #2
Pipe Bursting Basics Static Bursting Steps
NewPipe
-
7/25/2019 Pipe Bursting CMW
17/311717
STATIC PULL STEP #3
Pipe Bursting Basics Static Bursting Steps
NewPipe
-
7/25/2019 Pipe Bursting CMW
18/311818
Pipe Bursting Basics Static Bursting Steps
-
7/25/2019 Pipe Bursting CMW
19/31
1919
Volatile Subject
Stumbling Block to the use of Pipe BurstingMany Utilities Wont Consider certain Pipe Materials
Vested in one Type
Because of Familiarity, History, etc.
PIPE MATERIAL
Pipe Bursting Basics Product Piping
-
7/25/2019 Pipe Bursting CMW
20/31
2020
HDPE Most Commonly Used for Pipe Bursting
Considerable Interest in other Pipe Material optionsOther Options are Available
Bursting Equipment & Pipe Manufacturers WorkingTogether
Developing Real World Solutions
PIPE MATERIAL
Pipe Bursting Basics Product Piping
-
7/25/2019 Pipe Bursting CMW
21/31
2121
Typical Pipe Characteristics
SectionalJointed
Gasketed
Allows for Some Level of Flexibility
PIPE MATERIAL
Pipe Bursting Basics Product Piping
-
7/25/2019 Pipe Bursting CMW
22/31
2222
Typical Bursting Application:
Static ProcessHydraulic Puller
Cutting Blade
Expander
Quick Lock Bursting Rods
PIPE MATERIAL
Pipe Bursting Basics Product Piping
-
7/25/2019 Pipe Bursting CMW
23/31
2323
Client: Consolidated Mutual Water Company
Pipe Bursting in Lakewood, CO
22,000 LF of 6and 8 Fusible C-900 for potable water
Replacing 4 and 6existing cast iron and ductile iron lines
Construction complete for 2010 (April through September)
PipeBursting
Static Hydraulic
-
7/25/2019 Pipe Bursting CMW
24/31
2424
Client: Consolidated Mutual Water Company
Pipe staging area and fusion process
PipeBursting
Static Hydraulic
Pipe Bursting in Lakewood, CO
-
7/25/2019 Pipe Bursting CMW
25/31
2525
Client: Consolidated Mutual Water Company
Moving pipe from staging area to install location
PipeBursting
Static Hydraulic
Pipe Bursting in Lakewood, CO
-
7/25/2019 Pipe Bursting CMW
26/31
2626
Client: Consolidated Mutual Water Company
Pipe Bursting machine
TT Technologies - Grundoburst
PipeBursting
Static Hydraulic
Pipe Bursting in Lakewood, CO
-
7/25/2019 Pipe Bursting CMW
27/31
2727
Client: Consolidated Mutual Water Company
Pipe bursting pull head/expander
Existing cast iron pipe
New pipe 6 Fusible C-900
PipeBursting
Static Hydraulic
Pipe Bursting in Lakewood, CO
-
7/25/2019 Pipe Bursting CMW
28/31
2828
Client: Consolidated Mutual Water Company
Installation details:High residential areaService connection pits with temporary by-pass lines set upNo driveways blocked - minimal exception during pull-in (couple of hours)Pulled pipe every Tues & Wed for 4.5 months
Pull lengths approximately 640, half street per day
PipeBursting
Static Hydraulic
Pipe Bursting in Lakewood, CO
-
7/25/2019 Pipe Bursting CMW
29/31
2929
Client: Consolidated Mutual Water Company
Reduced public impact
small street patches, driveways and landscape not torn up
roads and driveways not blocked for extended periods of time
Used space of existing line
no room to install w/out removing utility
no abandoned lines left in ground to take up more space
PipeBursting
Pipe Bursting in Lakewood, CO
-
7/25/2019 Pipe Bursting CMW
30/31
3030
Open Cut
1128' 6" PVC
Pipe Burst
1160' 6" PVC
Fees: Denver Water $2,831.00 $2,789.00
Permit Fees $601.22 $600.00
Traffic Control & Barricades $0 $0
Labor & Overhead $27,156.00 $29,775.75
Materials $12,411.00 $11,882.20
Road Cut Repairs, Asphalt ETC. $37,759.25 $3,321.23
Pipe Bedding Material $1,401.43 $196.00
Asphalt Cutting $0 $0Pot Hole Utilities $0 $0
Trucking $3,665.80 $0
Compaction Tests $535.00 $0
Cold Mix Asphalt $594.00 $264.00
Engineering & Design $4,712.50 $2,575.00
Misc. Temp. Toilet, etc. $185.63 $233.24
Sweeping $620.00 $0
Road Base $131.75 $0
CHANGEOVERS
Labor $7,832.00 $5,698.50
Material $1,735.15 $1,490.60
TOTAL JOB COST $102,171.73 $58,825.52
Pipe Bursting in Lakewood, CO
Overall Cost is 50% of opencut
Materials similar in cost
Restoration cost
difference Less spoils/select
material and costs
Efficiency is key
Process of temporarywater lines, service
disconnect, install,testing, reconnect wasmaximized for efficiency
http://www.tttechnologies.com/index.html -
7/25/2019 Pipe Bursting CMW
31/31
Potable Water Rehabilitation with Static PipeBursting Methodology with Consolidated Mutual
Water Company in Lakewood, CO
Thank you for your attention