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CHAPTER VII <br />ESTIMATID COSTS <br />DERIVATION OF UNIT COSTS <br />The unit costs used in the following summary of estimated project cost were <br />derived using two sources. Unit prices from previous projects of a similar <br />nature were used. Contractors familiar with the project site and materials <br />available were contacted and their comments were also used to determine the <br />unit prices. <br />All parties should be aware that the following costs were developed based <br />upon one conventional method of construction using existing available <br />geotechnical, survey and hydraulic data and could vary greatly once final <br />design is completed. Alternate methods of construction such as reinforced <br />earth of the development of a cut off trench will be considered during <br />final design. <br />SUMMARY OF ESTIMATID PROJECT COSTS <br />Description Quantitq/IInit Unit Prue Amount <br />Care of water & unwatering <br />reservoir 6 foundation Lump Sum $10,000.00 $ 10,000.00 <br />• <br /> <br />Excavation, unclassified <br />stripping, dam 6 abutments 2,000 C.Y. $ 1.10 $ 2,200.00 <br />VII-1 <br />