Recreational uses as conducted in and identified with Little League baseball, tennis courts, outdoor swimming pools, shuffleboard and other allied recreational facilities shall be permitted on Borough-owned land at places now marked and designated as park and playground areas on the official map of the Borough provided the facilities are used and conducted on a nonprofit basis in accordance with this chapter and other applicable laws, rules and regulations and provided further that prior approval of any such facilities granted by the Mayor and Council in accordance with the terms and conditions which may be imposed by said Mayor and Council.