请帮我翻译一段文字。坚决不要机器翻的！而且是与建筑有关的文字，请帮忙，谢谢！满意者我定会追加高分！

Question

1. Project Solicitation
The project solicitation will consist of two phases.

Part I – Pre-Qualification of Offerors
This announcement of solicitation of pre-qualification submissions is Part I. Contractors are to advise whether they are interested in Phase 1, Phase 2 or both Phases 1 and 2 of the project. DOS will evaluate and rate the pre-qualification submissions based on the procedure and evaluation criteria set forth below. DOS may refuse to pre-qualify any Offeror receiving less than a satisfactory rating on any evaluation factor or sub-factor. Approved contractors will be invited to attend a meeting in Beijing in mid-April 2008.

Part II – Requests for Proposals from Pre-Qualified Offerors
Those Offerors determined to be pre-qualified in accordance with this notice will be issued a formal Request for Proposal (RFP) for Phase 1 and Phase 2 of the project and invited to submit proposed pricing in Part II. Each RFP will include a statement of work, standards, and criteria for the project that set out the project scope, construction process, reference drawings and specifications, codes and standards, and security requirements.

Answer 1

1. 项目邀请投标说明
本项目邀请投标由如下2个阶段组成.

阶段一 投标单位资格预审
阶段一的工作是邀请各投标单位递交投标资格预审文件. 各投标单位需告知各自所感兴趣的标段，如项目一期，项目二期或项目一期及项目二期两者一起。DOS（招标单位，应为某部门的简称Department of S...） 将依据下方的程序和评估准则对所有预审文件进行评估。任何评估结果不达标或满意度不合格的投标单位将被拒绝参与投标。评估合格的投标单位将被邀请参加2008年4月中旬在北京举行的会议。

阶段二 将招标文件授予预审通过的投标单位
预审通过的投标单位请携带本通知前来领取正式的招标文件（RFP）。该招标文件将包括项目一期和二期的具体内容。在阶段二中，各投标单位将被邀请针对项目一期和二期进行报价。每份招标文件包括工作说明，施工标准，验收标准，施工流程，相关图纸和规格参数，术语和标准，以及安全要求。