| {172 + 73.0} | 439.41 | 506.00 | 1.15 | 6/20/07 | 6/24/07 | |75 {172 + 73.0} | | | | | | | {173 + 24.0} | 490.55 | 579.00 | 1.18 | 7/8/07 | 8/25/07 | |77 {164 + 77.0} | | | | | | | {165 + 27.1} | 135.85 | 161.50 | 1.19 | 7/13/07 | 7/15/07 | |78 {168 + 83.4} | | | | | | | {169 + 18.3} | 61.82 | 73.00 | 1.18 | 7/13/07 | 7/14/07 | |80 {165 + 27.1} | | | | | | | {165 + 76.6} | 103.84 | 133.50 | 1.28 | 7/18/07 | 7/19/07 | |81 {168 + 45.6} | | | | | | | {168 + 83.4} | 204.42 | 255.75 | 1.25 | 7/20/07 | 7/23/07 | |83 {165 + 76.6} | | | | | | | {166 + 20.5} | 104.06 | 128.50 | 1.23 | 7/25/07 | 7/27/07 | |85 {166 + 20.5} | | | | | | | {166 + 64.6} | 103.70 | 144.50 | 1.39 | 7/29/07 | 7/30/07 | |87 {166 + 64.6} | | | | | | | {166 + 75.6} | 22.68 | 30.00 | 1.32 | 7/31/07 | 7/31/07 | |88 {164 + 26.3} | | | | | | | {164 + 77.0} | 308.79 | 370.00 | 1.20 | 8/8/07 | 8/11/07 | |89 {173 + 20.8} | | | | | | | {173 + 46.5} | 91.30 | 121.75 | 1.33 | 9/7/07 | 9/8/07 | |91 {180 + 74.9} | | | | | | | {180 + 92.7} | 135.44 | 203.50 | 1.50 | 11/18/07 | 11/20/0 | |92 {180 + 92.7} | | | | | | | {181 + 28.8} | 112.47 | 190.00 | 1.69 | 12/1/08 | 12/2/08 | |________________|__________|__________|______|__________|__
________|

NOTE.—­The number of cubic yards of crushed stone used in any section can be found by multiplying the figure for that section in Column 10 by 0.7778.

The number of cubic yards of sand used in any section can be found by multiplying the sum of the figures for that section in Columns 4, 6, and 10 by 0.3889.

  REMARKS.—­Section No. 47.  Part of this section was removed on account
    of damage done by blasting and was replaced by Section No. 78. 
  Section No. 52.  All of this section was removed on account of damage
    done by blasting and was replaced by Section No. 81. 
  Section No. 53.  All of this section was removed on account of damage
    done by blasting and was replaced by Sections Nos. 78 and 81.

TABLE 3a.—­Record of Retaining Wall Sections.

(1) Section No. (2) Stations. (3) Contents of section, in cubic yards. (4) Barrels of cement used for facing. (5) Cubic yards of facing mortar equivalent. (6) Barrels of cement used for bed mortar. (7) Cubic yards of bed mortar equivalent. (8) Cubic yards of embedded stone.

       Power-House.