APPENDIX B. 



SPECIFICATIONS. 



IN the following pages will be found examples of specifications relating to the 

 construction of works pertaining to the improvement of rivers.* They have been made 

 comprehensive, so as to include as far as practicable those points about which experi- 

 ence has shown that disputes are liable to arise, as well as those requiring a special 

 description of method. 



Certain clauses are usually included in all Government formal contracts; these 

 are given under the heading of "General Instructions for Bidders," and "General 

 Conditions," preceded by the "Advertisement." 



ADVERTISEMENT. 



U. S. ENGINEER OFFICE, , 19... 



Sealed proposals for building will be 



received at this office until , standard time 19. . ., and then publicly 



opened. Information will be furnished on application to , Corps 



of Engineers, U. S. A. 



SPECIFICATIONS. 

 GENERAL INSTRUCTIONS FOR BIDDERS. 



1. The attention of bidders is especially invited to the Acts of Congress approved 

 February 26, 1885, and February 23, 1887, as printed in vol. 23, page 332, and vol. 24, 

 page 414, United States Statutes at Large, which prohibit the importation of foreigners 

 and aliens, under contract or agreement, to perform labor in the United States or Terri- 

 tories of the District of Columbia. 



2. Preference will be given to articles or materials of domestic production, condi- 

 tions of quality and price being equal, including in the price of foreign articles the 

 duty thereon. 



* These specifications have been compiled from recent contracts made under direction of the 

 Corp? of Engineers. U. S. Army, and are reproduced by permission of the Chief of Engineers. 



