新版水利水电工程招标范本的实施,规范了招标投标工作和合同管理;建议对投标人的限制应包括项目设计单位以及监理单位参与投资的有限责任公司或股份有限公司;开标时未予宣读的价格、优惠条件在评标时不予考虑;招标人须向未中标的投标人说明原因. The implementation of the new water conservancy and hydropower project bidding model standardizes the bidding and bidding work and contract management; the proposed limit to the bidder shall include the project design company and the supervision unit participating in the investment of a limited liability company or a company limited by shares; the price not read at the time of the bid opening , The preferential conditions shall not be considered when assessing the bid; the bidder shall explain the reason to the unsuccessful bidder.