(a) General. Temporary signs may be erected in accordance with the conditions specified herein.
(b) Banner Signs: Banner signs may be erected in business and industrial districts for a period of time not to exceed thirty (30) days in any six (6) month period of time, to advertise public or institutional special events. The size of the sign shall not exceed 50 square feet.
(c) Portable Signs: Portable signs to designate the location of real estate of property for sale, rent or lease may be erected off-site while the property is open for inspection by the public and a realtor or his agent is available to show the property. The sign shall not exceed six (6) square feet per side.
(d) Real Estate Signs: A real estate or property for sale, rent or lease sign may be erected on site until the real estate or property has been sold, (closed), rented or leased. The sign shall not exceed six (6) square feet per side in "R" districts nor thirty-two (32) square feet per side in "GB", "VB" or "LI-HI" districts.
(e) One-Time Special Event Signs: Instructional signs erected to convey directions to the public in conjunction with a special public or institutional event may be erected for the length of time (not to exceed 30 days) the special event is open to the public and two weeks prior to the event.
(f) Construction Signs: A construction sign may be erected on-site under the following conditions:
(1) In "R" districts for single family unit construction, a sign shall not exceed six (6) square feet per side, shall not be erected more than two (2) weeks prior to the start of construction and must be removed two (2) weeks after completion of construction.
(2) In "R" districts when the construction effort involves two (2) or more units, the sign shall not exceed six (6) square feet per unit, not to exceed a total of 30 square feet, shall not be erected more than four (4) weeks prior to the start of construction and must be removed within two (2) weeks after completion of the construction.
(3) In "GB", "VB" and "LI-HI" districts, the sign shall not exceed forty-eight (48) square feet, shall not be erected for more than sixty (60) days prior to the start of construction and must be removed within two (2) weeks after completion of construction.
(g) Window Signs: Temporary window signs may be attached to the interior side of a window in any commercial district.
(h) Wall Signs: A temporary window or building sign may be attached to the exterior of a window or building. The sign shall comply with the size and conditions specified in this Regulation for permanent wall signs. The temporary sign may be used until the permanent wall sign is installed but not to exceed a period of 90 days.