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Many contractors regularly use single point site control as a quick and convenient way to leverage their GPS machine control systems for projects that do not require formal engineering. Typically small building sites, agricultural designs, stockpile calculations, or as an ad hoc laser solution. However, single point site control has limitations that can lead to accuracy and repeatability issues if not implemented properly. If you're not entirely clear about how site control affects your grading accuracy, read our detailed blog post on The Four Principles of Site Control  to ensure you're making informed decisions on your projects. Common Pitfalls of GPS Single Point Control Here's an avoidable scenario that Quantum Land Design has encountered when a contractor is new to single point control: Initial Topographic Survey: The contractor sets up GPS with single point control and performs an initial site topo. Watch our YouTube video to learn how to perform a topographic survey . Model Creation: They send the data to Quantum, where we produce a precise 3D grading model for their design.  It might be a building site, drainage improvement or fishing pod.  So far, so good Return for Grading: Returning days, weeks, or months later, the contractor re-initializes their GPS system using the original single control point, only to find that the site model no longer matches the existing conditions—it’s rotated or tilted in an odd orientation. The problem isn't the design or initial survey; it's that a single control point isn't stable enough to reliably align your 3D model repeatedly. Unlike engineered sites with multiple control points, a single point allows your site to shift or rotate around that point, compromising accuracy significantly.   Re-read our site control principle 3 blog post for a refresher on why you need multiple control points. Reliable Single Point Control: Step-by-Step Guide If your project isn't engineered, but you'd still like to use GPS for accurate grading, follow this reliable eight-step method to establish robust single point control: Establish a Permanent Base Station: Set up your base station in a permanent and stable location. If you use a fixed height tripod, mark the location so you can find it to set up in the future. Set up single point control as you normally would.  Many contractors use 10,000, 5,000, 100 for N,E,Z coordinates - avoid negative numbers.  Verify your GPS system initializes and works as expected. Identify Reusable Control Points: Find at least four, but preferably five, locations on the outside boundary of the site you can take topo shots and return in the future to find them ( see this blog post to help determine where to place control). These areas might be a sidewalk corner, storm sewer drain, property pin, etc... You may need to drive a pin or hub in the ground if there are not any permanent features on the site boundary. It is best to mark these places with a lathe or at least paint them; you will return to them in step 6 and in the future. They must be in a location you can return to as the project progresses and are not disturbed. You will use these locations to set up new control points. Record Coordinates Carefully: Use your GPS rover to take a topo shot at those locations and save them in your controller. Write down, take a picture of or export to a text file the point #, northing, easting and elevation of those points.  FYI - it is best record the shot over a 30 second or longer observation period. We would also suggest you use three decimal places for each point, to reduce rounding errors. *** Tip: Check with your GPS vendor—some systems allow you to directly record these shots as control points, simplifying the process significantly.*** Start a New Project File: Create a completely new project file in your GPS controller. Do not reuse the single point file from the initial survey. Enter Your Control Points: Enter or import the northing, easting and elevation from the topo shots you took in step 3 as control points in your new project.   Measure Control Points: Measure in the control on the points you topoed in step 3, just as if it were an engineered project. You will see higher residual errors than on control points placed by an engineering firm. If something is way off make sure you have good GPS and radio signal at the new control locations. The slightly higher residuals are acceptable in this case as the project is now "controlled" and won't tip or rotate over time. It just won't be quite as precise as a project where a surveyor placed control with survey processes and instruments.   Perform Check Shots on Hard Surfaces: Take a few topo shots on hard surfaces and save them to your controller. When you set up in the future, in addition to checking into your control points, you can use them to verify that your system is set up right and matches your earlier work. Verify Every Visit: EVERY time you return to the site, set up your base and start the project with the control file you made in steps 4, 5 and 6. Stake out to your control points and the topo checks from step 7 to verify everything is working correctly. This graphic should help you understand how how to layout your control points. Why Avoid Single Point Control for Engineered Sites? The above method should never  be used on engineered sites. We always suggest that you hire the Project Engineer's surveyor to set up site control for engineered projects. Here's why: Your machine control model must align to the Project Engineer's data.  Detailed explanation in this blog post.    Engineered projects require that your work align to the previous and following contractor's work. Misalignment to the Project Engineer's coordinate system will lead to costly rework and delays. The Project Engineer's surveyor has authoritative knowledge and can ensure accuracy. Real-World Example: The Cost of Mistakes One contractor client of ours learned the "Single Point" lesson the hard way on a pond project in North Dakota: This contractor set up single point control without any additional checks. He returned a couple months later with a pond design file, started his job up on the old single point control and started grading.  When he was close to done with the dam, it became obvious that something was not right. The entire design was tilted nearly 3 feet from one side of the project to the other. The design file was not the issue, single point control was. It took a redesign and significant re-work to fix the problem. Had he taken the time to set up his control properly, he would never have had to suffer through the expense and wasted time caused by the tilted site. Ready to topo your projects and have Quantum help with the design? Email us or call 515-505-3510 ex:702. Our team is here to help ensure your grading projects run smoothly and accurately every time.

Over the years, Quantum Land Design has refined a standard layer and surface naming convention tailored for GPS machine control models. This standard is designed to enhance clarity, reduce errors, and promote seamless communication between project management teams and field crews. Our approach employs plain language and intuitive abbreviations that are easy to understand and implement in the real-world. Field-Friendly Naming : Quantum's naming system prioritizes simplicity and functionality, ensuring that operators and project managers can quickly identify and utilize each layer. Error Reduction : Standardized names minimize miscommunication, ensuring projects run efficiently and on schedule. Visual Clarity : Defined layer colors offer immediate visual feedback, allowing teams to interpret models quickly and accurately on site. Lines (linework, polylines) 2D Lines Labeled in plain English. Layers added as necessary per project. All lines are 2D unless noted. 3D Lines Always have “-3D" prefix Examples: "-3D-Storm" or "-3D-Centerline" Projects with 2D and 3D lines will always have both line types. Projects with 3D utility model surfaces will always have a corresponding 3D line. Revisions Lines changes during revisions will be appended with the date of the revision. Example : "-3D-Storm-3-8-25" Surfaces (TTM, TN3, XML) Standard Abbreviations FG = Finish Grade RG = Rough Grade SG = Sub Grade SAN = Sanitary Sewer STM = Storm Sewer WTR = Water Line Additional 3D surfaces for structural features, underground detention systems, etc.… will be named as appropriate. 3D utility surfaces are set to plan elevations, typically flowline. Always refer to plans to verify. Revisions Surfaces changed during revisions will be appended with the date of the revision. Example: "FG-3-8-25" or "STM-12-14-25"

We are excited to announce that Taylor Eisenmann has joined the Quantum Land Design team! With a background in Construction Management and Drafting, Taylor brings valuable expertise and fresh energy to our growing family. Taylor will play a key role in machine control design and UAV flights, supporting our mission to provide cutting-edge solutions in construction technology. As Taylor prepares to earn his UAV pilot’s license, we look forward to seeing his contributions in action. Join us in wishing Taylor the best of luck on this exciting journey. Welcome aboard, Taylor!

Technology is revolutionizing the heavy civil construction industry, and Quantum Land Design is at the forefront of this transformation. From aerial data imagery captured by advanced UAVs (unmanned aerial vehicles) to precise 3D machine control systems for GPS-positioned earthmoving equipment, the possibilities are endless. At Quantum Land Design, along with our sister company AeroView Services, we offer a comprehensive suite of services designed to equip your company with cutting-edge tools. Whether you need UAV aerial data acquisition, 3D GPS machine models, or construction technology consulting, we’re here to be your competitive advantage. Discover how these integrated solutions can optimize your project timelines, enhance precision, and reduce costs. The future of heavy civil construction is here—let us help you lead the way.

Quantum Land Design was honored to present at this year’s Versaland Farmscale Permaculture Workshop, hosted by Grant Schultz. This annual gathering draws participants from around the globe to share and explore innovative permaculture techniques and principles. Our presentation focused on leveraging technology to enhance permaculture design  and sustainability. Key topics covered included: UAV Surveys : Utilizing drones to efficiently gather topographic data. Contour Map Creation : Developing maps for water management and sustainable land use. Keyline Cultivation : Implementing strategies for soil conservation and water optimization. 4D Point Clouds and Orthophotos : Advanced modeling for precise land planning. UAV Infrared Technology : Monitoring vegetation health and identifying land-use opportunities. Pond Design with CAD : Creating efficient water storage solutions for permaculture systems. Permaculture Design : Integrating ecological principles for holistic land stewardship. The workshop provided an incredible opportunity to engage with a passionate community of permaculture enthusiasts from all over the world. A heartfelt thank you to Grant Schultz and all participants for making this event a success! Here’s a glimpse of the event through some photos:

Quantum Land Design is proud to announce the addition of Orrin Lanz as our new Director of Engineering. Orrin brings a wealth of expertise to our team, solidifying our commitment to delivering cutting-edge services in construction technology. Orrin graduated with a Bachelor’s degree in Mechanical Engineering from Iowa State University and has honed his skills across various high tech industries. His proficiency in leading CAD software tools—including AutoCAD, Carlson, IntelliCAD, Creo, and SolidWorks—positions him to drive excellence in GPS machine control models for grading, 3D construction models, and earthwork analysis. In his new role, Orrin will oversee Quantum’s engineering team, manage our expanding customer base, and ensure our solutions continue to exceed client expectations. His innovative approach aligns with our mission to provide precision and efficiency for construction professionals. We’re thrilled to have Orrin on board and look forward to his contributions in advancing Quantum Land Design as an industry leader. Welcome to the team, Orrin!

The construction industry is buzzing about drones, and for good reason. They’re powerful tools for collecting topographic data at a low cost, but all the hype can make drone surveying seem overwhelming, complicated, and expensive. At Quantum Land Design, we focus on keeping things simple to make drone data collection easy, accessible and reliable. Let’s discuss what you need to know to take advantage of drone surveying technology. The Basics: What You Need To collect high-quality drone data, you only need two things: a GPS base/rover and a drone . That’s it. Forget about expensive software, costly web-based processing services, or even a high-end PC for photogrammetry processing. Keep it simple and cost-effective. GPS and Ground Control Your GPS machine control base/rover system is used to measure your ground control and check shots. Ground control is just points on the ground that can be seen in your drone photos. By using the same base/rover setup you’ve already calibrated for machine control, we ensure your drone data aligns seamlessly with your machine control model and any work the project Engineer has done or will do in the future. While RTK/PPK drone systems have been heavily marketed, a simpler setup works just as well and is often best for most contractors. The goal here is to collect reliable drone data that helps you make better management decisions—not to become an expert in complex systems. The only time you can skip the ground control points is when your drone data doesn’t need to align with your machine control model or be repeatable. Quick stockpile volume calculations or a simple orthophoto for a developer can fall into this category. Ground Control Points: Placement is Key Ground control points (GCPs) should surround the site (similar to a GPS site control layout) and be placed at roughly the highest and lowest elevations. We recommend using a minimum of five GCPs, marked with temporary targets or paint, with their coordinates recorded by your GPS rover. Check out the image below to see how the red ground control surrounds a small, uniquely-shaped project. Importance of Topo Check Shots Topo check shots are nearly as important as the control points. These are simply topographic shots collected with your rover roughly between GCPs and in key areas. When processing your photos, the drone data is aligned with the ground control, while the check shots provide an independent verification to ensure the final surface is accurate and correctly positioned. Take a look at the layout below—note how the red GCPs surround the site while the yellow check shots are positioned between the control points. Choosing the Right Drone Many contractors use DJI drones, such as the DJI Mavic 3 Enterprise. There are plenty of options on the market, but DJI models are affordable and meet the accuracy requirements for most civil projects. The drone's job is simple: fly over the site and capture overlapping photos at fixed intervals. You can use the free app included with your drone to program the flight—just draw a box around the flight area, set your parameters, and let the drone do the work. You don’t even need to fly it manually. Check out our YouTube video at the bottom of this post for a detailed walkthrough (and don’t forget to hit subscribe!). What Comes Next? That’s it—with the GPS base/rover you already own and an inexpensive drone, you can gather topo data on any project, anytime. So, what do you do with the photos and control data? That’s where Quantum Land Design steps in. Upload your photos and control data to our cloud. We'll process the data to generate a bare earth 3D surface and orthographic photo of your site that lines up seamlessly with your machine control model and any past or future surveys. Our technical team can provide volume calculations, create custom designs, or deliver the 3D surface for you to use in your preferred software—whether it’s AgTek, Trimble Business Center, Topcon Magnet, InSite or Carlson Takeoff. No need to learn any new tools or applications; our deliverables will be compatible with the software you already use and know.  Got Questions? Feel free to email or call me at 515-505-3510 ext. 702. We'll get you up and running in no time.

We’re thrilled to have met so many of you at ConExpo 2023! Whether you stopped by our booth or joined one of our education sessions, we genuinely appreciate your time and interest in advancing construction technology. Our team will be reaching out to each of you individually, but we wanted to share a brief overview of our services to answer some of your questions and help you see how we can work together to maximize your investment in construction technology. Machine Control Models We specialize in creating GPS machine control models for all project types and brands, including Trimble, Topcon, and Leica. Our streamlined process ensures fast turnaround—most models are delivered within three business days . Here’s how it works: To get request a model:  Send us the complete construction plans (PDF)  along with the matching CAD file . For a quote:  Simply email the PDF file  to us at this address . Pricing:  All projects are quoted as lump sums. Revision costs vary based on the extent of changes, up to the full model cost for major updates. Final delivery:  Models are provided in a format ready to load directly into your Trimble, Topcon, Leica or other system. 💡 Bonus:  Explore our free educational content  to learn how to optimize your machine control system and maximize productivity on the job site. Drone Services and Data Processing We offer comprehensive drone data processing for any project, regardless of your drone’s make or model. Here’s what you can expect: Simple process:  Upload your photos and ground control data, and we’ll process them into a bare earth surface  and orthophoto  for use in takeoff software. Affordable pricing:  No recurring fees or subscriptions—just per-project charges. No takeoff software?  Our team can handle volume calculations  for you. Ready to start?   Upload your drone data here . Quantum Flight Pack If you’re looking for a complete drone solution, consider the Quantum Flight Pack , featuring DJI’s cutting-edge Mavic 3E drone . This all-in-one kit includes: Extra batteries  for extended operations Hard case  for rugged durability Ground control targets  and essential accessories With the Quantum Flight Pack, you’ll have everything needed to collect accurate topographic data by drone. 💡 Learn more:  Visit our free education page  for step-by-step guidance on collecting ground control and drone topo data. Questions? Email Zach  at zach@avqld.com  for more details. We’ll be following up with each of you soon to provide more personalized responses, but don’t hesitate to reach out in the meantime—whether it’s by email, text, or phone . It was a pleasure meeting you, and we look forward to helping you achieve your goals in construction technology. Best Regards, Ryan Murguia - Machine Control - ryan@avqld.com Zach Pieper - Drone Data/Biz Development - zach@avqld.com Orrin Lanz - Machine Control - orrin@avqld.com Taylor Eisenmann- Paving and Roads - taylor@avqld.com Noah Murphy- Commercial Sites - noah@avqld.com Hunter Hill - Commercial Sites/Drone Data - hunter@avqld.com Kiley Murguia - Controller - kiley@avqld.com

Exporting topo points from the Trimble SCS900 machine control system  is a breeze! Watch the short video below for a quick guide. Why Export Topo Points? There are many reasons to export topo points, including: Sharing Ground Control Points (GCPs)  from a Quantum Flight Pack flight Exporting site topos collected with your rover Providing as-built data to clients for project documentation Getting Started with Ground Control for Drone Flights Start here to learn about setting up ground contro l for drone flights and placing it accurately in the field. Effective ground control helps ensure that your data aligns precisely with project requirements. Stay Updated on Construction Technology Tips Make your work easier by subscribing to our YouTube channel . We regularly post short videos to help you get the most out of your Trimble SCS900  and other construction technology tools.

This page is your centralized resource for DJI Mavic 3 Enterprise RTK  training videos. Gain the skills to integrate drone data with GPS machine control, helping your business improve precision and efficiency on every jobsite. Topics Covered: Topographic Survey Flight Planning: Learn efficient flight planning for accurate topographic surveys. Camera Settings: Optimize your camera for high-quality jobsite imagery. RTK NTRIP Network Setup: Establish reliable RTK connections for precise data. IMU, Gimbal, and Compass Calibration: Ensure accurate measurements and stable flights. Firmware & FlySafe Database Updates: Keep your drone up-to-date for optimal performance. Quantum Flight Pack Overview: A quick guide to just what is in the Quantum Flight Pack . Stay Updated and Grow Your Expertise Bookmark this page and subscribe to our YouTube channel  for continuous updates and advanced drone and GPS integration tips. Have Questions? Free Consultation Available Questions about drones and how you can use the data? Reach out for for a free consultation. Email or call Zach at 515-505-3510 ex: 702 Explore More Resources Check out our Education page, 3D Machine Control Models and/or Drone Data Services  for additional ways to enhance your construction technology. Topographic Survey Flight Planning Camera Settings for Topographic Flights Set up RTK NTRIP Network Connection Adjust the camera to take jobsite photos Calibrate the IMU, camera gimbal and compass Update firmware and DJI FlySafe databases Quick tailgate intro to the Quantum Flight Pack's components

Quantum's own Zach Pieper recently joined Bryan Furnace on Equipment World's YouTube series, The Dirt , to share insights on how drone data, together with with machine control, can transform construction workflows. In their conversation, they address common contractor questions and misconceptions about drones, covering topics like cost, ease of use, and impact on profitability.   Key Takeaways from the Discussion: How Drone Data Benefits Construction Management Drones offer contractors a valuable tool for gathering accurate data. They can replace and/or supplement traditional methods, like GPS surveying and laser tools, to improve decision-making on-site. With drone data, contractors can conduct pre-construction topographic surveys, verify yardage moved, and ensure accurate billing and pay applications. This data serves as proof of work completed and helps adjust production metrics for future bids. Your finish grade machine control model can also double as a reference for comparing drone data against the completed project. When Should a Contractor Use Drones? Drone usage isn’t just for massive projects. Even on smaller sites, the benefits can justify the cost. For example, a contractor working on a two-acre dam project used a series of drone flights to confirm over-excavation volumes, resulting in $250,000 in change orders that would have otherwise almost certainly been under-paid. Getting Started with Drones Contractors can choose to hire an external firm to fly and process data or invest in their own drone. Zach recommends starting with a local service provider to learn the process, then gradually transitioning to managing flights independently. For those handling flights themselves, outsourcing data processing is often a cost-effective option. Contractors can simply upload their drone photos and ground control data to an outside processor, saving time and reducing in-house tech requirements and employee demands. What Does It Cost to Use Drone Data? Typical costs for full-service drone data collection, including trave, flights and data processing, range from $1,200 to $3,000 per project, depending on site complexity and size. For contractors looking to fly their own drones, an entry-level drone with required accessories costs around $5,000. Zach notes that even with the initial investment, drones can pay for themselves quickly by preventing costly errors in yardage or volume calculations. Ease of Use Modern drones are user-friendly, with automated flight plans and GPS integration making them simple to operate. The majority of contractors can conduct a 40-acre site survey in under a couple of hours, reducing time spent on-site while providing accurate data for better project tracking. Watch the Full Episode Here Watch on YouTube Have More Questions? Quantum Land Design is here to help contractors integrate drone data into their operations. Email us to learn more about how drones can boost productivity and improve accuracy on your job sites. For more in-depth resources and guidance, visit our Education Center  to explore articles, tutorials, and insights on maximizing construction technology.

Is a wet, boggy site slowing you down? Rain days are costly and schedule slip is unacceptable to demanding general contractors who expect timelines to stay on track. At Quantum Land Design, we can help you use your machine control investment to avoid those frustrating delays—not after the fact, but with proactive planning. Here’s how.   Maintain Positive Drainage Throughout Construction When a site is finish-graded, water is directed into storm intakes, detention ponds, or nearby waterways. GPS machine control technology helps you achieve this efficiently and accurately. But why wait until the site is at finish grade? By using a machine control model that maintains drainage for key phases of construction, you can keep your site properly drained, return to work faster and avoid costly rework to correct moisture issues.   What Is a 3D Drainage Model? Many of our clients have added a drainage model to supplement their finish grade model, realizing the value of proactive water management during construction. This drainage model accounts for your earthmoving processes, site utilities, the erosion control plan and finish grade, allowing you to manage water flow on-site during every phase of construction. With proper drainage, you’ll minimize downtime and spend less money “farming” to dry material and meet compaction specs after rain events.   How It Works: Direct Water Where You Want It To prevent water from pooling in critical work areas, we create 3D models that allow you to: Divert Water Around the Working Area We design slopes or swales to channel water away from cut and fill zones, reducing saturation. Efficient Grading for Large Pads and Parking Lots By grading building pads or parking areas with a slight slope, we keep water off these areas as they’re being filled.  When done. you'll switch to the finish grade model for the final touch up.  Phase-Specific Drainage For projects with multiple cut/fill phases, we build a drainage model for each phase, ensuring effective water management throughout the earthmoving process. Erosion Control Compliance Our drainage models work within your erosion control plan, keeping your project compliant and environmentally responsible. AND keep the inspectors off your case.   Ready to Implement Drainage Models on Your Next Project?   Whether you’re planning a new project or need drainage improvements on an active site, Quantum Land Design is here to help. Contact us to discuss how a drainage model can save you time and money by keeping your site high and dry, even during wet weather.   Get in touch with Zach at zach@avqld.com or call 515-505-3510 ext. 702  to start the conversation!