Prior to construction, reconstruction, alteration or improvement of any buildings or the development or clearing of any lands located within the Steep Slope District, the owner or developer thereof shall first obtain a Steep Slope Permit in accordance with the regulations contained in this section. In the event the application is for a one or two-family dwelling, the Steep Slope Permit shall be issued by the Construction Code Official after consultation, if the Construction Code Official deems it necessary, with the Planning Board. All other Steep Slope Permit applications shall be reviewed and approved by the Planning Board as part of an application for site plan approval prior to issuance by the Construction Code Official of the Steep Slope Permit.