Pilot Tube or Guide Boring Method for Pipe Ramming Guidance With Case Histories

Pilot Tube or Guide Boring Method for Pipe Ramming

Guidance

With Case Histories

Pilot Tube or Guide Boring Method for Pipe Ramming

Guidance

With Case Histories

AGENDAAGENDA• Pipe Ramming• Drill Stem Recovery • Pipe Removal / Bore Salvage• Case Study: EJM Pilot Tube Pipe Ram• Pipe Ram Slick Bore• Case Study: Slick Bore• Case Study: Railroad Culvert Undercrossing• Questions

• Pipe Ramming• Drill Stem Recovery • Pipe Removal / Bore Salvage• Case Study: EJM Pilot Tube Pipe Ram• Pipe Ram Slick Bore• Case Study: Slick Bore• Case Study: Railroad Culvert Undercrossing• Questions

Pipe RammingPipe RammingPipe RammingPipe Ramming

PIPE RAMMINGPIPE RAMMING

Pipe RammingPipe RammingPipe RammingPipe RammingBASICS

• 4-in through 147-in casings

• 118-in, 122-in, 138-in & 147-in casings Successfully Rammed

• Eliminates Slump or Rise

• Tools Configure to a Range of Casing Diameters

• 4-in through 147-in casings

• 118-in, 122-in, 138-in & 147-in casings Successfully Rammed

• Eliminates Slump or Rise

• Tools Configure to a Range of Casing Diameters

STANDARD RAMMING

THE PROCESS:Typical Pipe Ramming ConfigurationTHE PROCESS:Typical Pipe Ramming Configuration

ROUTINEROUTINE12” Thru 36”12” Thru 36”

CHALLENGINGCHALLENGING36” Thru 80”36” Thru 80”

ADVANCEDADVANCED80” Thru 144”80” Thru 144”

DRILL STEM RECOVERYDRILL STEM RECOVERY

• Rammer Fitted with Special Sleeve

• Drill Stem Welded to Back of Sleeve

• Percussion Frees Stuck Drill Stem

• Push Through or Pull Out

• Rammer Fitted with Special Sleeve

• Drill Stem Welded to Back of Sleeve

• Percussion Frees Stuck Drill Stem

• Push Through or Pull Out

TECHNIQUES

Drill Stem RetrievalDrill Stem Retrieval

PIPE REMOVAL/ BORE SALVAGEPIPE REMOVAL/ BORE SALVAGE

• Rammer Attached to Product Pipe

• Percussion Removes Pipe from Bore

• Salvage Job

• Bore Again

• Rammer Attached to Product Pipe

• Percussion Removes Pipe from Bore

• Salvage Job

• Bore Again

TECHNIQUES

Product Pipe Removal/Bore Salvage-Job SiteProduct Pipe Removal/Bore Salvage-Job Site

CASE STUDY:CASE STUDY:EJM PILOT TUBE-EJM PILOT TUBE-

PIPE RAMPIPE RAM

GBM BACKGROUNDGBM BACKGROUND• On Grade & Alignment Installation

• Highly Accurate Installations

• Theodolite Guidance System

• Video Monitoring of Illuminated Target

• Angled Steering Head Similar to HDD

• On Grade & Alignment Installation

• Highly Accurate Installations

• Theodolite Guidance System

• Video Monitoring of Illuminated Target

• Angled Steering Head Similar to HDD

Pipe RammingPipe RammingPipe RammingPipe RammingCASE STUDIES

GBM BACKGROUNDGBM BACKGROUND• 1. Pilot Tubes Installed behind Steering Head • 2. Auger Head Tube Sections Installed• As Auger Sections Installed, Pilot Tube

Sections Removed at Exit Pit• Pipe Adapter Installed • Product Casing Attached to Adapter• 3. Thrust into Place

• 1. Pilot Tubes Installed behind Steering Head • 2. Auger Head Tube Sections Installed• As Auger Sections Installed, Pilot Tube

Sections Removed at Exit Pit• Pipe Adapter Installed • Product Casing Attached to Adapter• 3. Thrust into Place

GBM BACKGROUNDGBM BACKGROUND• Not All Soil Conditions or Pipe Diameters

Favorable for total GBM Installation • Pipe Ramming Assist• After Pilot Tubes Installed on Line & Grade• Special Ramming Adapters• Rammer takes place of Auger• Installation remains on Line & Grade

• Not All Soil Conditions or Pipe DiametersFavorable for total GBM Installation

• Pipe Ramming Assist• After Pilot Tubes Installed on Line & Grade• Special Ramming Adapters• Rammer takes place of Auger• Installation remains on Line & Grade

PROJECT BACKGROUNDPROJECT BACKGROUND• EJM Pipe Services- Lino Lakes, MN

• Project Location: Chaska, MN

• Along the Minnesota River

• Spring Thaw

• Flood Stage River Levels

• EJM Pipe Services- Lino Lakes, MN

• Project Location: Chaska, MN

• Along the Minnesota River

• Spring Thaw

• Flood Stage River Levels

PROJECT BACKGROUNDPROJECT BACKGROUND• Sanitary Sewer Main • 36-inch Diameter inside 54-inch Casing• 160 feet in length• New Development• Under Concrete Creek Channel• Creek runs through town• Feeds into MN River

• Sanitary Sewer Main • 36-inch Diameter inside 54-inch Casing• 160 feet in length• New Development• Under Concrete Creek Channel• Creek runs through town• Feeds into MN River

PROJECT BACKGROUNDPROJECT BACKGROUND• Grade Sensitive Project • Avoid slump & disturbance of concrete

channel• Unstable, saturated ground conditions • Engineer utilized slump monitoring equip.

• Grade Sensitive Project • Avoid slump & disturbance of concrete

channel• Unstable, saturated ground conditions • Engineer utilized slump monitoring equip.

PROJECT SPECSPROJECT SPECS• Began @ 1% Downhill Grade

• 4-inch Pilot Tube

• Began @ 1% Downhill Grade

• 4-inch Pilot Tube

PROJECT SPECSPROJECT SPECS• Installed 4-inch to 24-inch Adapter

• Pushed into place

• Installed 4-inch to 24-inch Adapter

PROJECT SPECSPROJECT SPECS• Installed 24-inch to 54-inch Adapter

• Installed 24-inch to 54-inch Adapter

PROJECT SPECSPROJECT SPECS• Remove Auger

• Weld 54-inch by 20-ft casing to adapter

• Set up pipe rammer

• Cut out steel bulk head

• Loose material & water flow

• Sandbags & Underlayment fabric to lessen flow

• Remove Auger

• Weld 54-inch by 20-ft casing to adapter

• Set up pipe rammer

• Cut out steel bulk head

• Loose material & water flow

• Sandbags & Underlayment fabric to lessen flow

PROJECT RESULTSPROJECT RESULTS• 1st Section Installed without incident

• Next section added and rammed in place

• Subsequent casing sections rammed in place

• 1st Section Installed without incident

• Next section added and rammed in place

• Subsequent casing sections rammed in place

PROJECT RESULTSPROJECT RESULTS• 4- to 24-inch Adapter Removed

• Final Casings installed to 160 feet

• 4- to 24-inch Adapter Removed

• Final Casings installed to 160 feet

PROJECT RESULTSPROJECT RESULTS• Casing installed on grade

• 24-in to 54-in Adapter Removed

• Spoil removed with auger

• Ramming Times: 20-50 Min/20-ft section

• Casing installed on grade

• 24-in to 54-in Adapter Removed

• Spoil removed with auger

• Ramming Times: 20-50 Min/20-ft section

PROJECT RESULTSPROJECT RESULTS• Slump Monitoring Results:

• Front of Launch Pit Levee Edge- 2 ½ inches

• Under Channel- ½ inch

• Receiving Pit Levee Edge- 1 ¼ inches

• All within tolerance

• Less slumping than anticipated

• Slump Monitoring Results:

• Front of Launch Pit Levee Edge- 2 ½ inches

• Under Channel- ½ inch

• Receiving Pit Levee Edge- 1 ¼ inches

• All within tolerance

• Less slumping than anticipated

CASE STUDY CASE STUDY REVIEWREVIEW

PIPE RAM SLICK BOREPIPE RAM SLICK BORE• Ram in Reusable Bore Pipe

• Clean Out Spoil

• Weld Product Pipe to Back End of Bore Pipe

• Remove Bore Pipe with Winching Device

• Pull in Product Pipe while Removing Bore Pipe

• Use Bore Pipe Again

• Ram in Reusable Bore Pipe

• Clean Out Spoil

• Weld Product Pipe to Back End of Bore Pipe

• Remove Bore Pipe with Winching Device

• Pull in Product Pipe while Removing Bore Pipe

• Use Bore Pipe Again

Pipe RammingPipe RammingPipe RammingPipe RammingTECHNIQUES

Slick Bore Step #1Slick Bore Step #1

Slick Bore Step #2Slick Bore Step #2

Slick Bore Process OverviewSlick Bore Process Overview

CASE STUDY CASE STUDY SLICK BORESLICK BORE

PROJECT BACKGROUNDPROJECT BACKGROUND

• MinnCan Pipeline project is a 303.75 mile 24” crude oil pipeline

• From the Minnesota-Canada border to the Flint Hills Resources Refinery in Rosemount, MN

• Pipeline is owned by Natural Resources Group, Inc., Minnesota Pipeline Company, and Universal Ensco, Inc

• MinnCan Pipeline project is a 303.75 mile 24” crude oil pipeline

• From the Minnesota-Canada border to the Flint Hills Resources Refinery in Rosemount, MN

• Pipeline is owned by Natural Resources Group, Inc., Minnesota Pipeline Company, and Universal Ensco, Inc

CASE STUDIES

• Two Sections:

• Northern 150.41 mile section from the Canadian border to Clear brook, MN

• Southern 153.34 mile section from Clearbrook, MN. to the refinery in Rosemount, MN

• Total of 303 road crossings and 19 horizontal directionally drilled crossings

• Two Sections:

• Northern 150.41 mile section from the Canadian border to Clear brook, MN

• Southern 153.34 mile section from Clearbrook, MN. to the refinery in Rosemount, MN

• Total of 303 road crossings and 19 horizontal directionally drilled crossings

CASE STUDIES

• MN Limited- Southern Section

• 156 road crossings

• MN Limited- Southern Section

• 156 road crossings

CASE STUDIES

EQUIPMENT LISTEQUIPMENT LIST• Goliath Grundoram pipe rammer

• BP 500 bentonite pump for lubrication

• 24” pipe ramming accessories

• Pig launcher and pipe pigs for clean out

• Reusable bore pipe

• Goliath Grundoram pipe rammer

• BP 500 bentonite pump for lubrication

• 24” pipe ramming accessories

• Pig launcher and pipe pigs for clean out

• Reusable bore pipe

CASE STUDIES

SLICK BORINGSLICK BORING• The reusable bore pipe is rammed in place

• Bentonite or polymers are used to lubricate the bore hole and the soil inside the bore pipe

• The soil is expelled from the bore pipe

• Line pipe will then be welded to the bore pipe

• The reusable bore pipe is rammed in place

• Bentonite or polymers are used to lubricate the bore hole and the soil inside the bore pipe

• The soil is expelled from the bore pipe

• Line pipe will then be welded to the bore pipe

SLICK BORINGSLICK BORING• Utilizing a sideboom tractor and winch

• The bore pipe is pulled out of the bore hole

• While the line pipe,welded to the bore pipe, is pulled into place

• Utilizing a sideboom tractor and winch

• The bore pipe is pulled out of the bore hole

• While the line pipe,welded to the bore pipe, is pulled into place

ON THE JOBON THE JOB• Stearns County Road 23 northwest of

Richmond, MN

• 95 ft. bore

• Bore pipe:115 ft. of 0.500-in wall x 24-in diameter pipe

• 0.750” bentonite supply line welded to the pipe

• Stearns County Road 23 northwest of Richmond, MN

• 95 ft. bore

• Bore pipe:115 ft. of 0.500-in wall x 24-in diameter pipe

• 0.750” bentonite supply line welded to the pipe

ON THE JOBON THE JOB• 115 ft. bore pipe was lifted into position with a

sideboom & an excavator

• Rammer positioned and supported by an excavator

• Air compressor and bentonite pump are mounted to a semi-tractor trailer for mobility

• Positioned on the right-of-way at the edge of the open ditch next to the bore pit

• 115 ft. bore pipe was lifted into position with a sideboom & an excavator

• Rammer positioned and supported by an excavator

• Air compressor and bentonite pump are mounted to a semi-tractor trailer for mobility

• Positioned on the right-of-way at the edge of the open ditch next to the bore pit

ON THE JOBON THE JOB• Typical bentonite or polymer application

approx. 900 gallons for a 95 ft. bore

• Ramming times varied from 30 to 60 minutes per bore

• Three bores of 95 ft. length were completed the first week

• At the week two the crew had completed five bores of 95 to 100 ft. in length and one bore 240 ft. in length

• Typical bentonite or polymer application approx. 900 gallons for a 95 ft. bore

• Ramming times varied from 30 to 60 minutes per bore

• Three bores of 95 ft. length were completed the first week

• At the week two the crew had completed five bores of 95 to 100 ft. in length and one bore 240 ft. in length

ON THE JOBON THE JOB• By the time they completed Phase 3 they were

doing 8 bores per week in a six day work week • By the time they completed Phase 3 they were

doing 8 bores per week in a six day work week

Case Study:Railroad Culvert Undercrossing

ARBARB• Union Pacific Railroad Culvert

• Failed Culvert Replacement • 48- & 65-inch Culverts• 24-inch Grundoram Taurus• Access • Emergency Ram

• Union Pacific Railroad Culvert

• Failed Culvert Replacement • 48- & 65-inch Culverts• 24-inch Grundoram Taurus• Access • Emergency Ram

NOTEABLENOTEABLE

LOCATION LOCATION • Feather River Canyon

• East-West Rail Corridor

• Northern Nevada & Northern California

• Sierra Nevada Mountains

• Feather River Canyon

• East-West Rail Corridor

• Northern Nevada & Northern California

• Sierra Nevada Mountains

BACKGROUND BACKGROUND • Early 2006- Significant Drainage Problems

• Runoff Culverts - Failed & Collapsed

• Emergency Crews 24 hr pumping

• Train traffic slowed 10 mph

• Relieve pressure on saturated soils

• Early 2006- Significant Drainage Problems

• Runoff Culverts - Failed & Collapsed

• Emergency Crews 24 hr pumping

• Train traffic slowed 10 mph

• Relieve pressure on saturated soils

PROJECT SPECSPROJECT SPECS• Difficult Soil Conditions

• Ramming ideal solution

• Difficult access

• Equipment brought in on rail cars

• Elevation 4,500-5,000 feet

• Difficult Soil Conditions

• Ramming ideal solution

• Difficult access

• Equipment brought in on rail cars

• Elevation 4,500-5,000 feet

PROJECT SPECS PROJECT SPECS • Install 48- & 65-inch culverts

• Pipe Ramming

• 24-inch diameter rammer

• ### lbs dynamic energy

• (2) 1,600 CFM Air Compressors

• Install 48- & 65-inch culverts

• Pipe Ramming

• 24-inch diameter rammer

• ### lbs dynamic energy

• (2) 1,600 CFM Air Compressors

Arntzen SteelRockford, Ill.

LESSONS LESSONS • Deteriorating infrastructure not limited to cities

municipalities or utilities

• Deteriorating Rail Culverts pose serious threat

• Potential for major accident

• Problem needs immediate attention

• Deteriorating infrastructure not limited to cities municipalities or utilities

• Deteriorating Rail Culverts pose serious threat

• Potential for major accident

• Problem needs immediate attention

Questions?Questions?

ThankYou!

Pilot Tube or Guide Boring Method for Pipe Ramming Guidance With Case Histories

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