The AISC C mmittee n Specificatin, Task C mmittee 113—Seismic Pr visi ns is resp nsible f r ng ing devel pment f these Pr visi ns. Additi nally, the AISC C mmitteen Specificati n has enhanced these Pr visi ns thr ugh careful scrutiny, discussin, suggesti n f r impr vements, and end rsement. AISC further ackn wledges thevari us c ntributi ns f several gr ups t the c mpleti n f this d cument: the Building Seismic Safety C uncil (BSSC), the Nati nal Science F undati n (NSF), the SACJ int Venture, and the Structural Engineers Ass ciati n f Calif rnia (SEAOC).