▁In ▁these ▁circumstances , ▁upon ▁determ ination ▁by ▁the ▁general ▁contract or ▁that ▁a ▁bid ▁is ▁the ▁lowest ▁offer , ▁it ▁can ▁accept ▁the ▁bid ▁and , ▁upon ▁accept ance , ▁a ▁sub cont ractor ▁cannot ▁ren ege ▁or ▁re voke ▁its ▁offer . ▁The ▁language ▁of ▁the ▁bid ▁or ▁offer ▁can ▁impact ▁the ▁court ' s ▁determ ination ▁of ▁whether ▁the ▁sub cont ractor ▁intended ▁for ▁further ▁negoti ations ▁to ▁take ▁place , ▁or ▁whether ▁the ▁bid ▁was ▁intended ▁to ▁be ▁an ▁option ▁or ▁un il ater al ▁agreement ▁to ▁enter ▁into ▁a ▁contract ▁upon ▁accept ance ▁of ▁the ▁offer . ▁ ▁Types ▁of ▁project ▁delivery ▁( ▁Pro c ure ment ▁methods ) ▁All ▁construction ▁proc ure ment ▁methods ▁can ▁be ▁divided ▁into ▁two ▁categories . ▁▁ ▁Trad itional ▁proc ure ment ▁roots ▁ ▁Altern ative ▁proc ure ment ▁roots ▁ ▁Trad itional ▁proc ure ment ▁roots ▁ ▁There ▁are ▁three ▁types ▁of ▁Altern ative ▁proc ure ment ▁roots ▁in ▁construction ▁industry . ▁▁▁▁ ▁L ump - sum ▁contract s ▁ ▁Re - ▁meas urable ▁contract s ▁ ▁Cost ▁re imb urs ement ▁ ▁The ▁traditional ▁proc ure ment ▁method ▁is ▁the ▁most ▁common ▁construction ▁delivery ▁method . ▁This ▁process ▁begins ▁with ▁an ▁owner ▁selecting ▁an ▁architect ▁to ▁prepare ▁construction ▁documents . ▁These ▁are ▁prepared ▁using ▁draft ing ▁standards ▁such ▁as ▁the ▁Institution ▁of ▁Civil ▁Engine ers ▁I CE ▁Cond itions ▁of ▁Cont ract , ▁or ▁the ▁N EC ▁Engineering ▁and ▁Const ruction ▁Cont ract . ▁In ▁most ▁cases , ▁the ▁architect