Specifications include, but are not limited to: The primary purpose of trail grooming is to smooth and compact high-use trails, eliminating moguls and rough areas, and creating a safe riding surface for snowmobiles. The Bidder shall be required to provide specified trail grooming services of approximately 67 miles of trails. a) Snow groomer and towing equipment shall be capable of enduring extensive loading stress due to deep snow and mountainous terrain, with a closed, heated cab. b) Snow groomers shall be capable of grooming a path of a width of at least ten (10) feet in a single pass for the safety of snowmobilers. The blade of each groomer must be greater than the width of the groomer tracks and greater than the width of the rear tiller, compactor bar or drag, in order to be capable of pulling snow from the outside of the trail to fill depressions and irregularities. c) The tracks of the snow groomers shall each be at least thirty-six (36) inches wide for two-track machines and twenty-six (26) inches wide for four-track machines in order to provide the proper flotation in soft snow conditions. d) Snow groomers must be equipped with a tiller, drag or compactor bar. e) Snow groomer tillers, drags or compactor bars shall have a minimum width of ten (10) feet in order to achieve at least a 10-foot wide finished trail surface. Snow groomer equipment shall be equipped with at least one top-mounted rotating beacon or strobe light with a back-up rotating beacon (separately fused) and backup lights (two working together). Each snow groomer shall be equipped with at least four forward-facing halogen or LED headlights, or equivalent forward-facing headlights.