The bulldozer is within 3/10 inch accuracy to the survey and engineering drawings.

Do an environmental survey or get a civil engineer?

Be sure you are using an experienced company that provides engineering-based studies which require site surveys inside and outside the building. 

Often times there is some sort of plot plan or survey at the town.

House staging costs, survey and city permit costs (if any),  interest paid and orig points on the private money loans (if any), attorney fees (if any)

Whereas, if you purchased an investment outside of the city limits (like Carnegie) your tenants would not be forced to pay a 3% city wage tax, only a 1% wage tax (which is required for nonresidents of Pittsburgh).I share this with you just because the prospective tenants I surveyed mentioned that sometimes that the city wage tax plays a factor in their search criteria when looking for a new rental.

surveying lot and block existing properties is highly regional.. like on the west coast we never do it I mean never.everything I ever did in Texas they surveyed the lots even though the subdivision was built in the last 20 years.In Charleston SC were everything is 100 to 200 years old U need to survey there is encroachments on virtually everything we buy there. 

We've done subdivisions that cost 6 figures.There are municipal costs, engineering costs, survey costs, soil costs, flood, wetlands, steams, and historic considerations.You need to know what the zoning actually is and what are permitted uses as well as minimum criteria like, lot size, lot width, setbacks, etc.

Offer "Pay by the hour listings/offers" vs "only pay if it sells" listings/offers then do a survey 3 months later from both groups.

1) When was this survey done, and ordered by whom?