In this paper, the evaluation standards are discussed, such as those for waste water quality and scale of wastewater treatment plant, selection of wastewater treatment technology, sludge treatment, land occupation, running cost and capital investment of wastewater treatment plant.

The writer has taken land occupation within the Yuanshi section as an example, summed up the experience from the land use of Beijing-Shenzhen Freeway, and raised the initial countermeasures for land occupation in the project of the south to north water transfer.

Based on this point,it is necessary to choose a large capacity belt conveyer which can increase arrangement angle and substitute for the ordinary belt conveyer to save the land occupation and cost reduction.

But environmental polluyion is caused by karst leakage during its operation on residue pond of the barium salt, Based on investigating the current situation of the pollution,inspecting the process technology,and analyzing the chemical composition,solubility and soluble condition,mineral composition of the fresh and aged residues a.