Projects & Experience
L & M Underground, Inc. was founded in 2000. Our crews bring more than 25 years of utility construction experience to every job, ensuring thorough planning, safety and quality performance. Our knowledgeable crew leaders have experience with directional boring in diverse environments including residential, congested roadways, railroad crossings and highways. We have a proven track record of completing large scale projects.
New Electric Service Installation - Steamboat Springs, CO
L & M Underground was contracted to execute a precision utility bore for a new electrical service line serving a residential and agricultural property in Steamboat Springs, Colorado.
Completed September 2026 - Learn More
Colfax Bus Regional Transport (BRT)
More details coming soon. - Learn More
Golf Course Water Main Replacement - Cherry Hills, Colorado
The golf course required replacement of 4200 of 8” waterline to upgrade the facility's existing irrigation infrastructure.
Completed December 2026 - Learn More
New Cell Tower Site - Dairy Farm Greeley, Colorado
L & M Underground works with cell tower construction contractor to lay the groundwork for a new cell tower at a Dairy Farm in Greeley. We utilized directional boring to install the 900 linear feet of 3” electrical conduit and 1300 linear feet of 4” communication conduit needed to feed the new cell tower.
Completed August 2025 - Learn More
Church Ranch Event Center Fire Line - Westminster, Colorado
L & M directional drill crews utilized horizontal directional boring to install two 4” fire lines for 200 ft.
Completed March 2025 - Learn More
Vail Pass - New Bridge Construction
L & M performed boring, trenching, bridge attachment, and fiber pulling for 12,000' of CDOT fiber backbone.
Completed Fall 2023 - Learn More
Town of Frisco - Nordic Center Fiber
Bored 1,000' of fiber along Nordic trail horizontal to Nordic Center.
Completed June 2023 - Learn More
HDD River Crossing - Grand County
Bored (100') under river and trenched remaining 900' to place 4" electrical conduit under river for hydroelectric.
Completed May 2023 - Learn More
Chilled Water System - CU Boulder
Bored and installed 8" and 10" HDPE as well as 14" TR Flex ductile iron crossing University of Colorado in Boulder's critical infrastructure.
Completed Fall 2022 - Learn More
American Civil Constructors Retreat Land at Lone Rock (RLLR), Bailey
Bored 9000’ and placed 2” and 3” conduit in solid rock using Rock Hammer
Completed October 2020 - Learn More
EV Charging Station - Hertz DIA
Bored and installed electrical conduit providing power to Hertz's electric vehicle charging stations.
Completed July 2022 - Learn More
City of Delta Vehicle Detection Traffic Systems
Bored and installed 100 ft of fiber and electrical conduit.
Completed June 2022 - Learn More
Lumen Bigfoot 4.1
10 miles of boring and fiber placement spanning Highlands Ranch, Centennial, Greenwood Village, Cherry Hills, Englewood, Sheridan and Denver, including work along CDOT right of ways on Belleview, C470 and Hampden.
Completed May 2022 - Learn More
Fox Hollow Golf Course Bores
Bored and installed approximately 600 ft irrigation line size 6”, 8” and 10” on golf course including small creek crossing.
Completed April 2021 - Learn More
Denver University HDPE for Chilled Water System
Bored and places 940 linear ft of two 14” fused HDPE for chilled water for HVAC system. Installed 4 manholes and 16 gate valves from 2” to 16” .
Completed September 2021 - Learn More
St. Mary’s Waterline
Bored and installed 1300 linear ft of 4” and 6” water main. Approximately 700’ was placed using the rock hammer due to solid rock conditions.
Completed October 2021 - Learn More
CDOT Vail pass
7000’ of trenching along I-70 at top of Vail Pass to install fiber optics.
Completed June 2021 - Learn More
City of Broomfield Sheridan Boulevard
Fiber Interconnect, a 3 mile boring and fiber placement project.
Completed Fall 2020 - Learn More
CDOT PPSLI-70 Idaho Springs
Installed 13,000’ of 2” and 3” conduits for fiber and power in solid rock, cobble and boulder conditions.
Completed May 2020 - Learn More
Sonnenalp Golf Course, Edwards
Installed a variety of irrigation 8”, 10” and 12” for golf course utilizing directional boring in mountain cobble conditions.
Completed Fall 2021
City of Fort Collins
2020 – I-25 Electric Line relocation Project. 2021 Awarded on-call directional boring contractor for Fort Collins Light and Power.
Completed Spring 2020
University of Northern Colorado West Campus Non-Potable Distribution System, Greeley,
Installed approximately 1000’ of 6” conduit including tie-ins.
Completed Fall 2019
Crown Castle Fiber
Bored and installed approximately 14,000 LF of conduit, including fiber and vault placement.
Completed August – December 2018
Gallery
