"Yêu cầu hợp đồng" là phổ biến trong việc mua sắm các dịch vụ sửa chữa và bảo trì với lịch trình thanh toán và thủ tục để bảo trì đột xuất. Yêu cầu đối với cây trồng và bảo dưỡng định kỳ thiết bị sẽ cho phép thời gian hợp lý để phát triển một thỏa thuận thực tế bao gồm các quy định kiểm tra. | Page 55 terials contracts serve the best interests of both parties. Requirement contracts are common in the procurement of repair and maintenance services with payment schedules and procedures for unexpected maintenance. Requirements for periodic plant and equipment maintenance should allow reasonable time to develop a realistic SOW that includes inspection provisions. When the cost of such services warrants and when competition exists Purchasing then can solicit competitive bids. Warranty provisions on equipment items may require that maintenance service be purchased through the manufacturer s service organization. But as soon as this warranty period expires the feasibility of obtaining competition should be explored. As we discuss in Chapter 5 the time to establish maintenance prices for new equipment is during the competitive stage of selection of the equipment source. This is the time when the most attractive price service arrangements and warranty can be obtained. Operating Services Operating services are those services that could be performed by the organization itself but that for any of several reasons are performed under contract. Examples include janitorial and guard service grounds maintenance food service and the staffing and operation of hospital pharmacies. Private industry not-for-profit organizations and government have found that it frequently is more cost effective to purchase such services than it is to hire and supervise the required personnel. The operating services area is fast-changing. The availability and cost of suppliers can vary dramatically in the course of a year or two. The cost pattern of performing the services in-house also can fluctuate over a short period of time. Labor laws practices and costs may change. Based on the dynamic nature of this area it is recommended that a make-or-buy analysis be conducted on any significant service requirement on a semiannual basis. Again the key to the successful procurement of such services is a
