Project Name Phase I Project of the Northeast Plot of Phase IV of Yipeng Relocation Housing

Nature of the Project Commercial residential building

Main Functions and Uses Residential, dormitory, and supporting commercial facilities

Project Address Yipeng Subdistrict, Qiantang District, Hangzhou City: bounded by Qingdong 1st Road to the east, Tangxin Line to the south, Planned Branch Road No. 4 to the west, and Qinglong Road to the north.

Total land area

Land area: 64,748.00 m², with a footprint of 93,109 m².

Total floor area The total gross floor area is 252,288.60 m², comprising the following: Plot DJD0508-15 has a land area of 52,462.00 m² and a total gross floor area of 234,535.60 m², with 87,642.00 m² underground; Plot DJD0508-23 has a land area of 6,318.00 m² and a total gross floor area of 8,845.00 m², with 2,527.00 m² underground; Plot DJD0508-18 has a land area of 5,968.00 m² and a total gross floor area of 8,908.00 m², with 2,940.00 m² underground. The development primarily consists of 13 high-rise residential buildings ranging from 25 to 26 stories, one two-story property management building, one four-story community center, one kindergarten spanning three to four floors, and five multi-story ancillary facilities, with one to two basement levels throughout the site.

Structural Situation A pile foundation is proposed, with a frame structural system, and the design maximum single-column load is 10,000 kN. The site elevation datum (±0.00) is set at 6.70–6.90 m relative to the National Elevation Datum of 1985.

Scope of Project Contracting The scope of work primarily includes project design, procurement, construction, and other related activities, extending through to successful acceptance inspection and completion filing, as well as the comprehensive handover of the project and the remediation of defects and warranty services during the warranty period. The contractor shall also undertake all relevant coordination, approval, and filing procedures associated with this project, thereby meeting the “turnkey” project delivery standards.

Major Subcontracted Works Excavation support and dewatering, pile foundations, earthworks, curtain walls, elevators, and other related works

Management Objective: Quality

Design Quality Standards: Meets the qualification requirements stipulated in the current national standards for engineering design quality assessment.

Construction Quality Standards: The project shall meet the qualified requirements stipulated in the current national codes and standards for construction acceptance. The entire project must pass the initial acceptance inspection on the first attempt to ensure it is awarded the West Lake Cup (Quality Structural Award).

Safety Eliminate liability accidents resulting in serious injuries or above in production safety; eliminate liability accidents causing property losses with direct economic losses exceeding RMB 300,000; keep the incidence of minor injury accidents in production safety within 3‰. Achieve a 100% compliance rate for project safety production standards and a pass rate of over 75% for excellent performance.

Construction period The total project duration is 1,010 calendar days, comprising a design period of 60 calendar days and a construction period of 980 calendar days.

Green Construction Objectives Green Construction Project in the Construction Industry of Hangzhou

Civilized construction Outstanding Construction Site for Standardized Safety Production Management in Hangzhou.

Construction Entity Hangzhou Dongpeng Construction and Development Co., Ltd.

Surveying Unit Zhejiang Provincial Engineering Geophysical Exploration Survey and Design Institute Co., Ltd.

Supervision Unit Zhejiang Rongqing Engineering Management Co., Ltd.

Design Unit China United Engineering Corporation

Construction Unit Shaanxi Construction Engineering Group Co., Ltd. and Zhejiang Mingjin Construction Co., Ltd.

Testing Organization Hangzhou Branch of Zhejiang Zhenghao Engineering Research Co., Ltd.

Quality Supervision Unit Hangzhou Qiantang District Engineering Quality and Safety Management Center