NATIONAL FOEEST MANUAL. 35 



ART. 3. To file, within six months after the completion of each part of the 

 project works, as required in article 5 hereof, in the manner prescribed for 

 original maps of location, maps showing the final location of such part of the 

 project works as constructed, if such final location varies from that shown upon 

 maps originally filed or upon approved amendments thereof; and to file also 

 within six months of the completion of each part of the project works as 

 aforesaid, in such manner as may be prescribed by the Secretary, detailed work- 

 ing plans of each part of the project works as constructed, except of such parts 

 as have been constructed in compliance with the plans originally filed or ap- 

 proved amendments thereof. 



Beginning and completion of construction and beginning of operation. 



ART. 4. 1 To begin the construction of the aforesaid project works within the 



period of months from the date of execution of the permit and thereafter 



diligently and continuously to prosecute such construction, unless such con- 

 struction is temporarily interrupted by climatic conditions or by some special or 

 peculiar cause beyond the control of the permittee. 



ART. 4 1 . To begin the construction of the following several parts of the afore- 

 said project works within the several periods in this article provided, which 

 periods shall begin on the date of execution of the permit and thereafter dili- 

 gently and continuously to prosecute such construction, unless such construction 

 is temporarily interrupted by climatic conditions or by some special or peculiar 

 cause beyond the control of the permittee. 



(1) Within months, part 1, consisting of 



ART. 5. 1 To complete the construction and begin the operation of the afore- 

 said project works within a period of mouths from the date of execution 



of the permit. 



ART. 5. 1 To complete the construction and begin the operation of the following 

 several parts of the aforesaid project works within the several periods in this 

 article provided, which period shall begin on the date of execution of the permit. 



(1) Within months, part 1, consisting of 



ART. 6. That it is understood, if at the date of the termination of any one 

 of the periods specified in article 4 hereof, unless such period is extended by 

 the written approval of the Secretary, after a showing by the permittee satis- 

 factory to the Secretary that such beginning of construction of that part of the 

 project works required to have been begun within such period has been pre- 

 vented by the act of God, or by the public enemy, or by engineering difficulties 

 that could not reasonably have been foreseen, or by other special and peculiar 

 cause beyond the control of the permittee, that thereupon the permission to occupy 

 and use National Forest lands for all parts of said project works, the construc- 

 tion of which has not been begun on said date shall terminate and become 

 void; and that the permit, in so far as such parts of said project works are 

 concerned, shall become of no effect. 



ART. 7. That it is understood that the periods specified in article 5 hereof for 

 the completion of construction and the beginning of operation of the several 

 parts of the project works will be extended only upon the written approval of 

 the Secretary, after a showing by the permittee satisfactory to the Secretary, 

 that the completion of construction and beginning of operation has been pre- 

 vented by fche act of God, or the public enemy, or by engineering difficulties that 

 could not reasonably have been foreseen, or by other special and peculiar cause 

 beyond the control of the permittee ; and if such extension be not approved, that 

 thereupon the permission to occupy and use National Forest lands for such 

 parts of said project works shall terminate and become void; and that the 

 permit, in so far only as such parts of said project works are concerned, shall 

 become of no effect. 



ART. 8. That, except when prevented by the act of God, or by the public 

 enemy, or by unavoidable accidents or contingencies, the permittee will, after the 



1 Use the first form of articles 4 and 5 when but one complete power project is to be 

 constructed and it is inadvisable to separate it into two or more units of construction. 

 When several distinct power projects are involved, or where it may be desirable to divide 

 a single power project into two or more units of construction, use the second form of 

 articles 4 and 5. Cancel form not used. 



