The reach of our markets and services is notable because it testifies to our productivity and versatility. Though we employ accountants and lawyers, we are led by builders. Everyone, at all levels, produces and works hard.
SEMA CONSTRUCTION, INC.
SEMA understands the unique demands of airport construction, from minimizing traveler inconvenience to vigilant regard for security and safety. Our expert estimating and project management teams allow SEMA to undertake some of the most challenging and complex construction projects in the industry. We provide the highest quality construction, the most dependable project scheduling and a flawless safety record. From private and regional airstrips to major international airports, SEMA will always consider your project among our very highest priorities.
Bridges are often a key component of the civil infrastructure projects we construct, and SEMA has a reputation as a leader in this market. We are known not only for our innovation in constructing bridges, but also for building them fast. SEMA can provide a variety of alternate design and construction methods, including value engineering, design-build, and construction management, bringing greater value to our clients. Our bridges will move you.
We work closely with environmental and structural design experts to build safely and efficiently dams and reservoirs to our client’s exact specifications. Our solid experience in structural construction technologies, ground treatment, and water infrastructure developments make us a leader in the industry. Environmental impact is a key concern in dam and reservoir construction. SEMA takes into consideration all aspects of the surrounding areas prior to determining the most innovative and cost-effective solutions for the construction phase. Over the next decade, water resources management will be one of the most important issues faced by local and state governments. SEMA is committed to determining and employing the best and most suitable approach for your water infrastructure project.
SEMA is a leader in the construction of highways and bridges and has participated in the building of major roadway projects valued at over $140 million. We offer a special blend of experience and efficiency that enables us to safely construct, rehabilitate and replace civil infrastructure projects to exact specifications. SEMA has an extensive background working with a diverse range of clients including government agencies, municipalities, developers and private landowners, providing us with a measurable advantage in managing roadway projects. From local thoroughfares to major interstate highways and technically challenging road alignments, we are experts in roadway construction.
Oil, gas, and energy companies are continuously searching for new and efficient ways to create economical energy solutions. To do this, they often call upon heavy civil contractors to develop the infrastructure they need to build new plants and harvest natural resources. Enter SEMA. By providing site services such as earthwork, drainage, bridges and roadways, businesses in these fields rely on us as their partner for innovation and prompt execution. Progress is our approach.
SEMA has been serving companies in the industrial and mining fields since the early 1990s. Our involvement in these markets has included engagements with several mineral mining and waste management companies across the United States. We have provided basic site services such as earthwork, drainage, bridges and roadways, as well as more intricate construction, including waste collection and containment facilities, caps, covers and liners inhibiting waste migration, and process pads. We offer industrial strength results.
From passenger to industrial railroads, we can build your railway to meet any specific expectations. Our experience in building railway transportation systems provides us with the know-how and expertise to tackle even the most complex and challenging railroad projects. Our services include new track construction, track maintenance and rehabilitation, excavation and drainage. From heavy industry, short line railroads and class I railroads, to commuter transit lines and metro rail systems, clients choose SEMA because our turnkey solutions deliver superior results.
From potable water storage reservoirs to wastewater treatment facilities, SEMA has a proven track record of delivering functional water-related infrastructure projects that last. Overcoming the challenges of construction within congested project sites characterized by deep excavations, complex structures, and intricate yard piping has earned SEMA a reputation of commitment, innovation and integrity. With full service state-of-the-art construction capabilities, we self-perform all phases of these complex projects with a commitment to construction quality and safety. Our culture and philosophy is to understand the client’s needs and exceed their expectations in achieving project completion with competitive pricing. SEMA has the engineering expertise, combined with a history of proven construction methods, to deliver high quality water projects.
We offer variety of land development services, including overlot and general site grading. Our value engineering approach grows from a commitment to meeting specific client needs. When necessary, we propose plan modifications as a project moves along to save time and money. From the very first meeting with our clients to the final finish grading, our team approaches every task with an acute attention to detail.
Our company began on the ground—in the hard work of moving dirt. While our equipment has evolved, our work ethic has remained constant. Our projects include multiple aspects of grading, structural excavation/backfill, dewatering, surface water diversion, erosion control, and ground improvements. We have also developed and refined our understanding and mastery of soil composition, amendment, and modification techniques to enhance structural integrity. With subgrade strength assured, every road and every project is built on a more reliable and stable platform.
SEMA takes a full-service approach to all of our projects. In construction, time is money, and SEMA recognizes that expedient, accurate and cost-conscious planning combined with experienced management are critical factors to any project development. SEMA’s vast experience in construction planning and management will maximize your project’s success through an optimal blend of these factors. Whether your construction project is small, medium or large, we’ll help you build for the future.
Construction that improves and protects. We provide remediation, reclamation, and containment construction solutions to industrial, mining, commercial, and government clients. Our projects have included the construction of cap and cover containment systems, liner containment systems, collection and treatment systems, waste consolidation and relocation, heavy-metal and asbestos abatement work, and site reclamation of impacted sites.
The knowledge to build complex things safely and quickly. Bridges, box culverts, and retaining walls are a few of the structures we build. SEMA is known for having built some of the more interesting bridges in the industry. On the I-270 flyover project in Denver, for example, we designed an alternate solution to traditional steel girders: curved, precast-concrete U-girders. Each weighing 240,000-330,000 pounds, this was the first use of this type of girder anywhere in the country.
SEMA has been serving companies in the industrial and mining fields since the early 1990s. Our involvement in these markets has included engagements with several mineral mining and waste management companies across the United States. We have provided basic site services such as earthwork, drainage, bridges and roadways, as well as more intricate construction, including waste collection and containment facilities, caps, covers and liners inhibiting waste migration, and process pads. We offer industrial strength results.
