BRIDGES AND CULVERTS. 39 



not permitted, except when absolutely required for drainage 

 on account of the character of material used for ballasting. 



SUPERVISION. 



The engineer will furnish all necessary elevations, stakes 

 and notes and will make frequent inspections during the prog- 

 ress of track laying in order to insure compliance with the 

 specifications, promptly reporting defects to the roadmasters 

 and superintendents. 



V. 



Bridges and Culverts. 



INSPECTION. 



The division engineers Vill make occasional examinations 

 of the condition of all important bridges and culverts. In 

 an emergency they will, on their own authority, report such 

 repairs as they may deem necessary for safety, to the division 

 superintendent for immediate attention. In other cases they 

 will make their reports to the chief engineer, who will decide 

 on the amount and character of the work to be done. 



Great care must be taken by division engineers and super- 

 visors of bridges and buildings, to whom the security of 

 structures is intrusted, to make such inspections so thorough 

 and the records thereof so complete as to convey definite and 

 precise knowledge of the condition of each and every structure 

 at the time of the last inspection. 



There will be two regular inspections each year, as follows: 



1. In January, by the supervisor of bridges for each division, 

 of all truss and large trestle bridges. 



2. In September, by the division engineers and supervisors 

 of bridges, of all bridges, culverts, waterways, etc. 



In addition the supervisors of bridges must at all times make 

 such other inspections as may be necessary to insure safety. 



The September inspection must be made with special refer- 

 ence to obtaining information for estimating the cost of re- 

 newals and repairs, and for the material required for the en- 

 suing year. 



The supervisors of bridges will forward the report of these 



