<prompt> Translate the following text to EnglishSehemu za kuokoa ni pamoja na kazi kidogo ya ujenzi kwa upande wa mtendaji wa ujenzi, amri chache za mabadiliko kwa mmiliki wa kurekebisha makosa ya kubuni au kutofautisha, na gharama ya kuongeza kwa kuchelewa vipengele vya kuboresha mradi ambavyo vinapaswa kushughulikiwa katika muundo wa awali.  <response>: Areas of savings include less rework on the part of the construction contractor, fewer change orders to the owner for correction of design errors or omissions, and the cost of belatedly adding project upgrade features that should have been addressed in the original design. 