 | George Leonard Vose - Railroad engineering - 1878 - 1086 pages
...the payment of the monthly estimate next after such work shall have been performed. SUB-CONTRACTS. The contractor will be required to perform the work...sufficient authority from the principal contractor. TIME OF COMMENCING WORK. On the acceptance of a proposal, the chief engineer will give notice thereof... | |
 | Lewis Muhlenberg Haupt - Engineering - 1878 - 366 pages
...the payment of the monthly estimate next after such work shall have been performed. Sub-Contracts. The contractor will be required to perform the work...shall be paid to any such sub-contractor for work or mateiials, without sufficient authority from the principal contractor. Time of Commencing Work. On... | |
 | Lewis Muhlenberg Haupt - Engineering - 1900 - 362 pages
...the payment of the monthly estimate next after such work shall have been performed. Sub-Contracts. The contractor will be required to perform the work...the president of the company, and no moneys shall be p^jd to any such sub-contractor for work or mateiials, without sufficient authority from the principal... | |
| |
... allowed, unless a written order to perform such work shall have been given by the engineer ; or unless the work be subsequently certified by him, and the certificate produced at the time of demanding the payment of the monthly estimate next after... 