38 How to Lay Out 



running into the basin. This basin will need to be 

 out occasionally. This is done by removing the grating and 

 using a long handled shovel. The drain pipes should be laid 

 on an inclination sufficient to get good flow. 



In excavating for the drive all the topsoil and poor subsoil 

 should be removed to a depth of 2 feet if necessary, and a foun- 

 dation replaced of good clean material, gravel or refuse stone. 

 The bottom should then be brought to a rounding surface, 

 allowing for the depth of the finishing material, gravel, ma- 

 cadam, or Telford. 



If there is but little travel, a gravel drive will be satisfactory. 

 It can be built by using two layers of gravel 4 inches in thick- 

 ness. The bottom layer should contain the larger stone< <r 

 coarser part of the gravel and rolled to a fine surface. On thi? 

 layer the finishing 4 inch layer can be placed. This should 

 be good binding gravel with the larger stones raked out. Then 

 the surface should be rolled smooth and to a rounding shape 

 or crown of \ inch to the foot at the sides and round in the 

 middle. It seldom happens that gravel can bo obtained <>i the 

 required quality in the pit. If the gravel is too coarse it should 

 be screened through a 2$ inch mesh screen. A two and one 

 half ton horse ring roller is the best to use for rolling the dim- 

 on small grounds. 



If there is more driving, or there is not a good quality or 

 quantity of gravel in the neighl>orhood, a macadam drive 

 should Ix? made. This can be built by using 4 inches of ( rii-h. d 

 stone of the 1J inch size, laid and shajx'd in the same manner 

 as for the gravel drive and rolled to a firm surface. On this 

 rolled surface is next placed a 1 inch layer of smaller cm-lied 

 stone and screenings mixed. This should lx> watered and 

 rolled until a smooth hard surface is obtained. The v.-une 

 crown should l>e made in finishing as dcscril>ed for tin- 

 drive. 



If there is a great amount of use, or if there is a lame quan- 

 tity of stone on the grounds, a Telford drive can be built en a 



