On December 21, 2021, the China Public Service Platform for Bidding and Bidding issued an announcement on the successful bidding of social investors + general contracting for the comprehensive management of coal mining subsidence areas and improvement of human settlements in Longkou City, Shandong Province, led by China Railway Construction Development Group Co., Ltd., China Railway The consortium of Jian Investment Fund Management Co., Ltd., China Railway 19th Bureau Group Co., Ltd., China Railway 21st Bureau Group Co., Ltd., and China Railway Shanghai Design Institute Group Co., Ltd. won the bid. The estimated total investment of the project is about 6.055 billion yuan.

Project Overview

The project is located in Longkou City, Yantai City, Shandong Province. The project construction site is located in the coal mining subsidence area in the northwest of Longkou City, involving Longgang Street, Xinjia Street and Xufu Street. The engineering research area is about 40 square kilometers. The main bidding content of the project includes four major projects including the ecological environment management of the coal mining subsidence area, the improvement and improvement of the residents' living environment and supporting projects, the land reclamation and the ecological restoration projects of historical mines. Keywords: engineering construction, engineering construction

The rapid development of the coal industry has greatly promoted the economic and social development of Longkou City, Shandong Province. However, at the same time, coal mining has caused a large area of subsidence, which has severely damaged the environment. In particular, the conflicts caused by the subsidence of ground farmland and housing caused by coal mining subsidence have existed for a long time. The resulting coal mining subsidence area has also caused a series of problems that have always plagued Shandong Province. Economic and social development of Longkou City. The completion of the project will create a new economic growth point for the joint industry in the collapsed area, turn disadvantages into advantages, seek a new model for the joint development of industrial and economic mining cities, rebuild the ecological balance, and discover new business opportunities. Editor/Sang Xiaomei