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, <br /> 11/22/02 � Page 2 <br /> ' <br /> TRENCH ELEVATIONS <br /> � � <br /> TRENCH FINISHED TOP OF DEPTH OF <br /> NUMBER GRADE CHAMBER TRENCH <br /> ' <br /> 1 945.80 944.80 943.47 <br /> ' 2 944.80 943.80 942.47 <br /> 3 943.60 942.60 94127 <br /> 4 942.50 941.50 940.17 <br /> ' 5 941.70 940.70 939.37 <br /> , <br /> ' <br /> ' <br /> ' <br /> ' <br /> ' <br /> , <br /> ' <br /> , <br /> , <br /> ' <br /> ' <br /> ' <br />