discussed Cited "see, e.g." Sunshine Construction & Engineering, Inc. v. United States Co. v. United States, 347 F.2d 509 , 535, 171 Ct.Cl. 324 , 367 (Ct.Cl.1965) (quoting Schmoll v. United States, 91 Ct.Cl. 1, 28 , 1940 WL 4133 (1940)), rev’d on other grounds, 385 U.S. 138 , 87 S.Ct. 350 , 17 L.Ed.2d 249 (1966); see also United States v. United Eng’g & Constructing Co., 234 U.S. 236, 242 , 49 Ct.Cl. 689 , 34 S.Ct. 843 , 58 L.Ed. 1294 (1914) (holding that in order to enforce liquidated damages clause, party assessing damages must not prevent performance under contract, and that if it does, even if completion is “delayed by the fault of the contractor, the rule of the origi…