Johnston Construction Company

  seem solid now, but once construction begins—grading, digging, and moving earth—rain, wind, and runoff can quickly wash it away. Erosion isn’t just messy; it can compromise foundations, landscaping, and drainage, adding cost and frustration if left unaddressed. At Johnston Construction, we know that proper  site preparation  starts with protecting the land, so your project stays on track and your home stands strong for years to come. Understand the Risks Erosion can occur when bare soil is left exposed during grading or clearing. Heavy rain can carry sediment downhill, into neighboring yards, or even into local waterways. This creates safety hazards and property damage and can also delay construction timelines if soil needs to be replaced or stabilized. Factors that increase erosion risk include: Sloped or uneven terrain Loose, sandy, or silty soil Heavy rainfall or storm events Lack of vegetation to hold soil in place By recognizing these risks early, you can take ste...

Starting a land development project in South Carolina usually begins with ideas about the finished product — a home, a commercial site, or a multi‑lot development. But before any machine touches the ground, the  land grading  plan quietly decides how water moves, how your site functions, and how smoothly construction will go. In this guide, we’ll walk through how to understand a grading plan in plain language so you can ask better questions, spot red flags early, and keep your project moving. What a Grading Plan Is (and Why It Matters) A grading plan is the roadmap for how your site will be shaped. It shows where soil will be cut or filled, how water will drain, and how your finished elevations tie into roads, sidewalks, and neighboring properties. Even if an engineer designs the plan, it still needs to be buildable. That’s where a contractor like Johnston Construction comes in. We translate lines and numbers into a site that drains properly, passes inspection, and supports ev...