Frogs and toads belong to the largest of the three groups of amphibians. There are more than 4,000 species of frogs and toads alive today.The earliest known frog-like ancestor is Gerobatrachus, a toothed amphibian that lived about 290 million years ago.rogs and toads belong to the largest of the three groups of amphibians. There are more than 4,000 species of frogs and toads alive today.
Engineering fees themselves can be broken down into a few categories, each making up a percentage of the overall fee. Preliminary design services should be approximately 30 percent of the fees, while final design services and paperwork should equal another 45 percent. Construction and contract administration should be 20 percent, and tender call services should make up the final 5 percent.
In our last page we noted that architects' fees for professional design services will range from 10 to 15 percent of construction costs for a new custom house and 15 to 20% for an addition/remodel (remodels are riskier and more complex).