206 HOW TO PLAN THE HOME GROUNDS 



by reason of any claim or demand against him, the said contractor ; 

 and that should any lien, attachment, or incximbrance be placed or filed 

 upon said materials, the said contractor shall not, until such lien, 

 attachment, or other incumbrance shall be removed, satisfied, and dis- 

 charged, be entitled to claim, demand, or receive any payment whatever 

 under or by virtue of this contract. 



Seventh : The contractor further agrees that the plans, drawings, 

 and specifications hereinbefore mentioned are intended to cooperate 

 so that any matter or thing contained or shown by one and not by the 

 other shall be of the same force and effect as if contained in and 

 shown by both ; and that he will perform any work and furnish all 

 materials shown by either without extra charge, claim, or demand 

 whatsoever. 



Eighth : The contractor further agrees that the owner may, at any 

 time during the progress of the work, alter, change, deviate from, and 

 add to said drawings and specifications, and that any such alteration, 

 change, deviation, or addition shall in no way affect the validity of 

 this contract. Provided, that if such alterations, changes, devia- 

 tions, or additions shall decrease the aggregate cost of said work and 

 materials, then the amount of such decrease in cost shall be deducted 

 from the said sum of $ , and the said owner shall only be liable to 

 pay to the contractor the balance remaining after making said deduc- 

 tions as aforesaid ; and provided further, that if such alterations, 

 changes, deviations, or additions shall increase the aggregate cost of 

 said work and materials beyond said balance remaining after making 

 the deductions aforesaid, then the said owner shall pay to the said 

 contractor the amount of such excess in cost, with ten per cent, on 

 the said excess in addition to said balance. 



Ninth : And the contractor further agrees that he shall not be 

 entitled to claim, demand, or receive any pay for extra work, unless 

 the necessity for such extra work shall be certified to by the said 

 , or his successor or successors, in writing ; and the price 

 to be paid for such extra work shall have been fixed and determined 

 before the same shall have been performed, by a written memorandum 

 ordering the extra work to be done, and stating the price to be paid 

 therefor, signed by the owner. 



Tenth : The contractor further agrees that if he shall at any time 

 neglect or refuse to supply a sufficient number of workmen of requisite 

 skill, or to furnish materials of the kind and quality called for by this 



