项目基坑深度大，基础深埋近40m，是目前北京市第一深坑。项目地下工程阶段技术含量高，工程桩直径大、长度长，质量控制要求高。项目工程桩基数量近900根，布置密集，跳打和间隔时间要求严格。地质条件复杂，桩身穿越两层卵石层和一层中砂层，持力层为卵石层，成孔困难且容易塌孔，施工难度极大。
“中国尊”地下室共有8层（含地下一层局部夹层），地上108层，高528米，位于北京市CBD核心区，建成后将成为北京第一高楼，未来将被规划为中信集团总部大楼。
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