The Bidder shall provide all required supervision, skilled labor, transportation, new materials, apparatus, and tools necessary for the complete and proper execution of the work. The Bidder shall supply, maintain, and remove all equipment required for the performance of the work and be responsible for the safe, proper, and lawful construction, maintenance, and use of the same. The scope of work primarily involves maintaining traffic flow in all designated cul-de-sacs at all times, including 24-hour service on weekdays, Saturdays, Sundays, and holidays. The contractor shall provide snow removal on all cul-de-sacs listed on Attachment A. The Village will provide snow removal on all streets adjacent to these cul-de-sacs. The term "cul-de-sac" is defined as the throat or straight portion of the cul-de-sac as well as the bubble or round portion of the cul-de-sac. The contractor may also be called upon to load and haul snow from these culde-sacs when conditions warrant the removal and hauling of snow