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Earthwork (31)  

Tunnel Excavation (31 71 00)

Tunnel Excavation (31 71 00)

Tunnel Excavation (31 71 00)
Code	Description
31 71 13	Shield Driving Tunnel Excavation
31 71 16	Tunnel Excavation by Drilling and Blasting
31 71 19	Tunnel Excavation by Tunnel Boring Machine
31 71 23	Tunneling by Cut and Cover

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Other Companies for Tunnel Excavation

Other Companies for Tunnel Excavation
RFI	Company	Description	City, state
	Alabama Metal Industries Corp.	Manufacturers of security metal mesh products including fences and cages.	Birmingham, AL
	American Blast Clean Concrete Restoration Inc.	QUALITY\u0085 Will it be beneficial to all concerned? American Blast Clean will always use quality equipment and materials in our efforts to provide you the best possible end result for your project. You can rest assured that your project will be co...	Hawthorne, NJ
	Elastizell Corp. of America	Manufacture cellular lightweight concrete and lightweight fills.	Ann Arbor, MI
	Smith-Midland Corp.	Suppliers of quality precast concrete products.	Midland, VA

For other relevant searches, you might want to try: robotic processes; rock excavation by boring machine, drill, and blast; moles and tunnel-boring machines.