Gravel, Stone, Sand and Mulch Delivery in Chesapeake, VA

Young Sand and Silt Close to Sea Level

The state geologic map places the center point of ZIP 23320 on the Tabb Formation with its Lynnhaven Member. That unit is made of sand and silt laid down in Quaternary time, the most recent chapter of the geologic record.^[1]

Height matters a great deal on ground like this. The USGS elevation service reads the center point as just 10 feet above sea level. Low, flat land made of sand and silt can hold a shallow water table, and a heavy rain may leave standing water for a day or more before it soaks away.^[1],[2]

Silt is the part to watch. It packs when dry but turns soft and slick when wet, and it can pump up into a stone layer laid directly on it. Sand drains better but shifts under load. Any gravel work on this mix starts with a firm, separated base.^[1]

The upside of sandy coastal ground is that it is easy to dig and easy to grade. A small loader or even a shovel moves it without fighting rock or hard clay. That makes trenching for drains, shaping swales and lifting a driveway grade quicker jobs than they would be on rocky inland soil, as long as each layer is compacted before the next goes on.^[1]

Sand and silt also settle when they are disturbed. A trench backfilled loosely will sink a little after the first few heavy rains, so tamp backfill in layers and leave a slight mound over any fresh dig. Topping a trench with a band of stone instead of soil hides the settling and keeps the line draining.^[1],[3]

What the Fentress Station Records

The NOAA normals station at Fentress Naas, VA, about 6 miles from the center point, averages 48.6 inches of precipitation a year. Coastal storms and summer thunderstorms both add to that total.^[3]

Winters bring more frost than many people expect so close to the ocean. Fentress averages 52 days a year with a low of 32 F or colder. Its median last spring freeze lands on March 23. The median first fall freeze there is November 18.^[3]

Freezing and thawing on wet silt can lift a thin base and loosen surface stone. Thicker, well-drained base layers and a good crown cut that risk, since frost does the most damage where water is trapped.^[1],[3]

A Driveway That Stays Firm on Flat Ground

Flat ground gives water no reason to leave, so a Chesapeake driveway has to create its own slope. Build the surface a few inches above the surrounding yard and crown it so rain runs to both edges.^[2]

Strip the turf and organic soil, then compact the sandy, silty subgrade as well as it will take. Lay a woven fabric to stop silt from rising into the stone. Add Road Base in thin, rolled lifts until the drive sits above the lawn. Top it with #57 Crushed Stone or Driveway Gravel. The angular pieces bind well and leave gaps for water to pass through.^[1]

Where runoff collects along the edge, a shallow swale lined with #4 Crushed Stone or Drain Rock gives the water somewhere to go. Virginia's transportation department lists its own base material as Aggregate Base Material, Type I, Size No. 21A, under Section 208 of its Road and Bridge Specifications (2020).^[3],[4]

Yards, Beds and Wet Spots

Lawns on low, sandy and silty ground can stay soggy after big rains. A French drain filled with Drain Rock and wrapped in fabric pulls water out of a wet corner and carries it to a ditch or a lower part of the lot.^[1],[2]

For flower and vegetable beds, raise the soil level with Garden Soil or a blend of Topsoil and Compost. A raised surface drains faster and warms sooner after the median last spring freeze of March 23. Finish beds with Black Shredded Mulch or Brown Shredded Mulch to hold moisture through summer.^[1],[3]

Pea Gravel and River Rock both work for paths and drip lines around the house. River Rock's larger stones stay put in heavy runoff, while Pea Gravel feels softer underfoot.^[3]

Drainage ditches are part of life on low land, and their banks can slump where storm flow cuts into sandy, silty soil. Riprap, the large, rough stone made for erosion control, armors the outside of a bend or the spot where a culvert empties. Set it over filter fabric so the fine soil behind it cannot wash out through the gaps.^[1],[3]

Fill Sand or Fill Dirt for a Low Lot

Raising a low spot is a frequent request on ground that sits only 10 feet above sea level. The two bulk fills do different work, and picking the right one saves trouble later.^[2]

Fill Sand drains freely and compacts well when it is spread in thin layers and wetted down. It suits pads under sheds, slabs and walkways, and it pairs naturally with the sandy part of the Tabb Formation below. Because water runs through it, it will not hold a steep side, so it needs a border or a gentle slope.^[1]

Fill Dirt carries more silt and clay, so it holds a shape and supports grass once Topsoil goes on top. It is the better choice for building up a yard grade, shaping a berm or filling a hole where a tree came out. On a wet site, keep Fill Dirt away from the area right under a driveway or patio, where its fines can soften after rain. A common plan uses both: sand where things sit, dirt where things grow.^[1]

Walks and Patios on Soft Coastal Ground

A patio on silty soil needs the same care as a driveway, only on a smaller scale. Dig out the turf, compact the ground, lay fabric, then build a firm layer of Road Base. Over that, a thin bed of Concrete Sand lets pavers sit level. Slope the finished patio away from the house so rain does not collect at the foundation.^[1]

For a simple garden walk, Walkway Gravel or #89 Crushed Stone over fabric gives a dry path without the work of pavers. Stone Dust Screenings packed over a shallow base make a smooth, firm walk that suits a wheelbarrow. Keep any path a little higher than the lawn beside it, since water lingers on flat ground after a storm.^[2]

Homes in ZIP 23320

ZIP 23320 has 26,613 housing units in the Census Bureau's American Community Survey. Detached single-family houses account for 47 percent. The median home was built in 1993. Owners live in 65 percent of the occupied homes.^[5]

Across Chesapeake, the survey counts 96,816 housing units, 67 percent of them detached houses. The city's median build year is 1989.^[5]

Gravel Valet handles driveway refreshes, new base work, bed fills and mulch for homes and businesses all over the city.^[5]