Support for the $format Query Option. The OData protocol supports both JavaScript Notation (JSON) and Atom feeds, and OData provides the $format system query option to allow a client to request the format of the response feed. This system query option, if supported by the data service, must override the value of the Accept header of the request. WCF Data Services supports returning both JSON and Atom feeds. However, the default implementation does not support the $format query option and uses only the value of the Accept header to determine the format of the response.
1 According to RD.com, the average safe room costs $2,000 to $5,000 to build. 2  FEMA.gov claims that the average safe room can cost anywhere from $6,600 to as much as $14,300.3  The size of the safe room will be the largest determining factor in the price. If you need to have a safe room installed by the professionals, consider getting multiple quotes from contractors in your area on websites like HomeAdvisor.com. 2  For example, a 8-by-8-foot room can cost $9,000, while a 14-by-14-foot room can cost around $15,000.
The key is to choose the product best for your family.. Including an 8-by-8-foot safe room in a new home under construction can cost up to $8,700, according to FEMA. A 14-by-14-foot safe room can cost as much as $14,300.FEMA says there can be big variations in the costs, depending on the size of the safe room, its location in the home and other factors.nder these guidelines, you could expect your safe room to withstand 250 mph winds and the impact of a 15-pound plank hitting a wall at 100 mph, according to the Insurance Institute for Business and Home Safety, or IBHS.