B-4499                                                                                
BL                                   
                                                                                  
   POINT      DESC.         NORTH              EAST         ELEVATION     L STATION       OFFSET     
---------  -----------  --------------    --------------  -------------  ------------   -----------  
B4499-1       GPS-1      783,575.0200     1,670,162.5400     714.73       OUTSIDE PROJECT LIMITS
B4499-2       GPS-2      783,314.6400     1,671,451.6500     775.84       OUTSIDE PROJECT LIMITS
1             BL-1       782,841.1900     1,672,073.7540     787.60       11+90.92        13.73 RT
2             BL-2       782,422.7610     1,672,786.5870     801.15       20+16.81        24.97 LT
3             BL-3       781,922.3360     1,673,242.1860     803.89       26+89.65        28.67 LT 
4             BL-4       781,637.8630     1,673,370.9580     811.17       OUTSIDE PROJECT LIMITS
5             BL-5       781,031.3820     1,673,748.9420     810.30       OUTSIDE PROJECT LIMITS
                                                                                
                                                
BY
                                                                                
   POINT      DESC.         NORTH              EAST         ELEVATION     Y STATION       OFFSET     
---------  -----------  --------------    --------------  -------------  ------------   -----------  
10           BY1-10      782,452.6290     1,673,183.6320     765.22       OUTSIDE PROJECT LIMITS
11           BY1-11      782,264.9900     1,672,945.9510     772.86       12+87.22        49.78 LT
12           BY1-12      782,066.0870     1,672,693.6020     771.69       16+08.50        44.93 LT