Efficient Trenchless Pipe Installations for Cost-Effective Solutions
Discover the benefits of trenchless pipe installations over traditional methods. Avoid road closures, detours, and additional costs while ensuring a smoother process. Save on installation costs and provide a seamless experience for the traveling public.
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Presentation Transcript
Trenchless Pipe Installations By Paul Janke, PhD, PE Regional Hydrologist April 23, 2019
Trenchless Pipe Installations 2 Pipe installation methods that use a traditional open-cut method require a road closure and/or a detour.
Trenchless Pipe Installations 3 A detour that takes a long time to traverse can add significant cost to the traveling public.
Trenchless Pipe Installations 4 Trenchless pipe installations: Do not require a road closure. Do not require a traffic detour. Do not add time or cost to the traveling public.
Trenchless Pipe Installations 5 In the lower 48 states, the average trenchless pipe installation cost is 20% to 30% less than a traditional open-cut method.
Trenchless Pipe Installations 6 In Central Region, contractors use an open cut pipe installation unless required to use another method. Bid documents normally do not require a pipe installation method.
Trenchless Pipe Installations After a contractor provides submittals that show a certain pipe installation method, an alternate method must be approved by DOT&PF and cost savings shared. These are value engineering requirements in the specifications. 7
Trenchless Pipe Installation 8 It is recommended that Central Region require the pipe installation method that has the lowest total cost for the pipe installation and the traveling public.
Trenchless Pipe Installation 9 If this strategy is adopted, the plans and/or specifications used for bidding and construction must require a pipe installation method.
Trenchless Pipe Installations There are about 90 technologies for trenchless pipe installations. Some are new but others have been used for many years. 10
Trenchless Pipe Installations If trenchless pipe installation is required, an engineer licensed in Alaska knowledgeable about trenchless methods should assist during the design and construction until in-house expertise is developed. 11
Trenchless Pipe Installations 12 This engineer should be asked to do the following. Ensure adequate geotechnical data are available. Assist with the design for the trenchless work.
Trenchless Pipe Installations 13 Assist with the specifications for the trenchless work. Assist the trenchless construction as needed.
Trenchless Pipe Installations 14 In order to ensure an adequate trenchless installation, specifications may require minimum contractor qualifications and/or minimum equipment characteristics.
Words of Wisdom from George Vernon, PE, Trenchless Consultant 15 Educate yourself. What you do not know can waste time and money. Do it right the first time or do it over. Find the right people to solve the problem. The extra cost could save time and money.
