山东省现有在建地县矿井21对。今年一季度有9对建成投产,平均井型21万吨,建设工期46个月,吨煤投资125元。除一些矿的部分井筒及装备、地面建筑等工程是外委包建外,其余一律是自营包建。若与统配煤矿1988年同期吨煤投资202元相比,节省投资38％。自营包建,有以下几方面的优越性: 1.取费标准低,吨煤投资少。根椐原煤炭部(85)煤地方字1159号文规定,地方办 There are 21 pairs of mines in Jiandi County, Shandong Province. Nine of the first quarter of this year were completed and put into operation with an average well size of 210,000 tons and a construction period of 46 months, with an investment of 125 yuan per tonne of coal. In addition to some of the mine’s part of the wellbore and equipment, ground construction and other projects are outside the package construction, the rest shall be self-built package. If compared with 202 tons of coal invested by Tongmei Mine in the same period of 1988, it will save 38% of the investment. Self-built package, the following advantages: 1. Take the low fees, tons of coal less investment. According to the provisions of Article 1159 of Coal Land (85) Coal Bureau of the Ministry of Coal, the local government office