HIGHWAY COST KEEPING. 41 



Repairing. — Shall include all acts of returning to a Bound Btate any road part where 



the work done is not extensive enough to be classified as reconstruction. 

 Riveting. — Shall include the uniting of two or more pieces with rivets and the heading 



of the rivets. 

 Rolling. — Shall include all compressing of roadway or surface material with a hand, 



horse, or power roller. 

 Scarifying. — Shall include the loosening or stirring up of the surface or the breaking 



of a bond of the road. This is almost synonymous with loosening. 

 Screening. — Shall include the removal of all undesirable particles from any material 



by passing it through or over a screen, or both. 

 Shaping. — Shall include all processes of bringing road parts as subgrade, shoulders and 



courses to a regular form of section. 

 Spreading. — Shall include the scattering or distributing of any materials over a large 



surface in order to form a coating or layer of uniform depth. 

 Sprinkling. — Shall include the distribution of water, in a fine coat over a surface. 

 Stripping. — Shall include all removing or taking off the cover or burden from gravel 



pits or quarries. 

 Trimming. — Shall include the cutting off of small quantities of excavation to make 



the roadway or roadside conform to a regular outline or section. 

 Washing. — Shall include the removal of any undesirable matter from a material by 



use of water. 

 Washing and screening. — Shall include, in addition to washing, the processes ex- 

 plained under screening. 

 Wasting material. — Shall include all depositing on a dump or spoil bank of excavated 



materials that can not be used in embankment. 

 Waterproofing.— Shall include all protecting from water of concrete walls, etc., by 



the use of bituminous or any other material. 

 Working on joints. — Shall include all the labor made necessary by the introduction 



of expansion or contraction joints, natural or artificial, and also the openings between 



regular sets, as the joints in a brick roadway. 

 Wrecking. — Shall include the tearing down or destroying of any structures. 



