SPECIFICATIONS FOR TAPPING 437 



No subordinate forest officer has, or wiU be given authority for this purpose. If re- 

 quired as a guarantee of a faithful performance of the conditions of this permit we 

 will submit a bond in the sum of $500, which bond, together with all moneys paid or 

 promised under this contract, upon failure on our part to fulfill all and singular the 

 conditions and requirements herein set forth, or made a part thereof, shall become the 

 property of the United States as liquidated damages and not as penalty. 



CONTRACT STIPULATIONS 



In the dunes of the Gironde and the Landes, the following contract stipulations must 

 be followed by contractors : 



Chapter I. — General Rules. — Fixation and Maintenance of Dunes. 



Art 1. — The dunes are fixed according to plans by the director of works, (a) by 

 sowing with ground cover or (b) by the plantation of maram grass {Psamma arenaria), 

 and (c) by broadcast sowing or transplanting in the waterholes between the dunes. 



SOWING WITH COVER AND TRANSPLANTING 



Art. 2. — Contractors shall use per acre of dune: (a) The amounts of maritime pine 

 seed, genista or gorse, and maram specified in the plans; (6) the number of brush fagots 

 properly called "bourees" likewise to be determined by the plan (80 to 400 per acre) and 

 according to the conditions detailed in Art. 9 which follows. The transplanting of the 

 water-hollows between the dimes shall be at the rate of (except upon contrary stipulation) 

 3.5 poimds of pine seed and 1.7 pounds of genista or gorse seed per acre. 



PLANTATION OF MARAM (gOURBET) 



Art 3. — When maram is planted the tufts are placed in quincunx, spaced 1.6 feet 

 apart; the spacing of the clumps may be, however, on order of the director of works, 

 reduced to 8 inches or increased to 3.3 feet. The maram shall be planted in conformity 

 with the rules in Art. 10. 



PALISADES, BARRIERS 



Art. 4. — Contractors shall use for each 328 linear feet (109 yards) of palisades an 

 average of 500, 5.2 feet in length, 1.2 inches thick, and between 6.7 and 8.6 inches in 

 width. The stakes for the woven barriers shall, according to the orders of the local 

 agents, have a length between 8.2 feet and 29 inches. For each 328 linear feet of barrier 

 the following stakes and fagots shall be set: 200 stakes 8.2 to 4.9 feet in length, 80 fagots; 

 200 stakes 4.1 feet in length, 60 fagots; 200 stakes 3.3 feet in length, 40 fagots; 200 

 stakes 29 inches in length, 20 fagots; per 328 linear feet of simple barrier (cordon), 70 

 fagots. 



EXCAVATIONS 



Art. 5. — The fagots for excavations shall be set in holes 16 to 20 inches in circumfer- 

 ence with a depth of 16 inches, and separated 12 to 16 inches from circumference to 

 circumference, according to the instructions of the director of works. The height shall 

 vary from 8 to 24 inches above the soil according to the locality. 



LEVELING 



Art. 6. — The places to be leveled shall be worked to a depth of 14 inches and the 

 ground shall be cleared of all vegetation and debris whatsoever which could stop the 

 movement of the sand. The green maram susceptible of being replanted will be care- 

 fully taken out, made into bundles, and heeled in; the maram which cannot be used and 

 debris of all kinds will be placed in the nearest excavations. 



