cost to build picnic shelter
20 by 40 Dimensions in feet of the planned picnic shelter. $80,000 Cost of a smaller picnic shelter built a couple of years ago at Terrace View Park did not include demolition costs. Plans to replace an aging picnic shelter at Edgecliff Park are running into a potential obstacle.The revised cost estimate has climbed 78 percent to $116,000, prompting Spokane Valley officials to put construction of the planned 20-by-40 foot shelter on hold. The delay will give City Council members time â¦.he picnic shelter at Edgecliff Park originally was expected to be done this year at an estimated cost of about $65,000. But a consultant hired by the city to help plan the project put the total cost much higher.