1 A new asphalt heated driveway costs $3,200-$33,500 or more. 2  This cost includes the radiant heating system, materials for the new asphalt driveway, and installation of both. 3  Removal of the old driveway is typically not included in this price. Demolishing a concrete driveway costs $50-$500 for DIY, $500-$900 for day labor assistance, and $1,000-$2,500 for work by a licensed contractor. 2  See How Much Does Concrete Removal Cost for more information and cost breakdowns. 3  All driveway heating systems add to winter utility bills.
Hollow Stem Auger - HSA boring; with 258/168 mm and 200/90 mm outer/inner diameter; Casing and sampling in one technology, this is up to date geotechnical and environmental sampling method. The HSA works as a casing, suitable for disturb or undisturbed sampling, and water sampling even in noncohesive soil conditions.
Stratified sampling is a probability sampling technique wherein the researcher divides the entire population into different subgroups or strata, then randomly selects the final subjects proportionally from the different strata.