Earth Works Road Construction

Earthworks in Road Construction

 Earthworks in road construction  can  be  defined  as  all  the  operations  involved  in  the  loosening,  removing  and depositing of earth, soil  and rock. The principal earthworks operations are :-

•    Stripping vegetation and topsoil

•    Loosening material in cutting and borrow pits

•    Excavating material

•    Loading material from cuts etc. and hauling to fills or to spoil

•    Spreading, shaping, watering, compacting and trimming the fill material.

Earthworks in road construction belong the several sections and deals with the construction of earthworks cuttings and embankments and also the cost  of  earthworks  is  a  major  part  of  the  total  job  cost,  it  is  essential  that  the  construction managers and project managers :-

(1)     has a sound knowledge of the specification requirements,

(2)     plans  and  supervises, directs  and  control ;  the  job  in  the  most  efficient  and  economical way.

(3)     gives close attention to the selection of the correct plant, and

(4)     has a sound knowledge of correct operational procedures.

The types of earthworks  plant  available, its use and its management are also required the close attention to carry job constantly.

Specification Requirements for Earthworks

Details  of  the  standard  of  work  and  the  quality  of  materials  are  contained  in  the  job specifications.  Since  the  project manager  must  always  ensure  that  the  work  for  which  he  is responsible  meets  the  standards  specified,  the  specification  requirements  must  be  fully understood.

Planning Earthworks Operation

In  order  to  obtain  satisfactory  and  economical  results  an  earthworks  job  must  be  adequately planned  by  the  consulting  engineer  and  project manager.  Broadly  speaking  planning  may  be divided into two operations, viz :

(1)     Pre-construction planning and programming which must be carried out well in advance of job  commencement  by  the  project  engineer  in  consultation  with  the  supervisor.
Though  the  engineer  is  responsible  for  drawing  up  the  works  program,  the  project manager  can  assist  him  greatly  in  this  task  by  contributing  his  knowledge  and experience.  The  consultant  will  benefit  by  becoming  thoroughly  familiar  with  the programmed plan of operations.

(2)      Construction planning  which involves the day-to-day organization and supervision of the job by the consulting supervisor.


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