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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />C. Drawings. <br /> <br />The drawings are generally of excellent quality and very few corrections' <br /> <br />or additions are considered necessary prior to bidding. The following comments <br /> <br />apply to details which in most cases can be added for construction issue. Com- <br /> <br />ments relating to both design and construction are included, in Section II. <br /> <br />Owi!;. No. <br />1 It is assumed that bidders will be 'given additional information <br /> <br />on the potential gravel borrow area shown on the drawing. <br /> <br />2 <br /> <br />Camber is normally proportional to dam height at each station. <br /> <br />The constant 2-foot camber shown may result in a hump at Sta. 16+50. <br /> <br />Details of slope changes to construct the camber should be shown, <br /> <br />4 <br /> <br />Cutoff collars. See Section II <br /> <br />Outlet Works. Embankment fill surrounding the gate shaft will <br /> <br />probably settle, creating a void below the slab at El. 9584. <br /> <br />Although above normal high water, the void should be grouted <br /> <br />through the slab, preferably as one of the last items in the contract. <br /> <br />Gate Chamber. It appears that the floor drain is too low to gravity <br /> <br />flow toward the stilling basin, <br /> <br />Intake. The second stage concrete should be keyed into the first <br /> <br />stage concrete along the conduit invert to avoid a feather edge <br /> <br />which may spall out under high velocities, <br /> <br />9 <br /> <br />The note regarding design of the bridge deck and anchorage may need <br /> <br />amplification in the specifications, No reference to contractor <br /> <br />design was noted. <br />