The Board of Trustees, after holding a public hearing, may issue a conditional use permit for a limited period of time or otherwise subject to such conditions and safeguards as shall be deemed appropriate when, in its opinion, it shall find that such proposed use and improvement will conform to the general character of the neighborhood in which the property to be used is located and that the public health, morals, safety and general welfare of such neighborhood will be secured and that it will be in accordance with the Comprehensive Plan to lessen congestion in the streets, to secure safety from fire, panic or other dangers, to prevent overcrowding of the land, to avoid undue concentration of population, to safeguard the adequate provision of water, sewage disposal, parks and other public facilities and to protect and secure the nature and character of the existing neighborhood and the values of the property therein.