Typically, costs for installing a concrete access ramp fall between $1432 and $2377 and will vary with the size and features of construction as well as with your choice of finishes and landscaping elements.
Causes of Fingernail Ridges, Pitting and Curved Nails. 1  Longitudinal ridges (running from the cuticle to the free edge of the nail) may be due to aging and not a sign of any disease.  Nail beading, where the nail loses its smooth curvature, is also a normal part of aging.
Lack of Moisture Can Cause Ridges on Nail or Vertical Lines on Nails: This is one important factor leading to ridges on nails. Lack of moisture causes drying of the nails, cuticle and the hands and result in the ridges.