<prompt> Translate the following text to EnglishKatika hatua ya mipango ya dhana, masomo mbalimbali ya uwezekano hufanywa ili kufafanua wigo au taarifa ya kazi kulingana na matarajio ya mmiliki wa utendaji wa kituo, ubora, gharama, na ratiba.  <response>: During the conceptual planning phase various feasibility studies are done to define the scope or statement of work based on the owners expectations for facility performance, quality, cost, and schedule. 