This document provides details on a federal contract opportunity for bus overhaul services. The National Park Service Intermountain Region is soliciting bids under solicitation number 140P1521Q0003 for bus overhaul services for its Grand Canyon Region vehicles. Bids are due by the unspecified response date. The contract will require overhaul and maintenance of buses to support NPS operations in the region. Pricing, terms, and additional requirements are provided in the related PartsManual_Pages501-600_0003.pdf file.