Set up a nice work area for the joists, there will be a bunch of cutting.
1) Put up the first joist to mark where the two notches go.
2) Cut the length and end profile with a circular saw.
3) Cut as much of the notch cuts with a circular saw. This will give you a cleaner cut. Finish the cut with a jig sawhttp://www.craftsman.com/shc/s/p_10155_12602_00928223000P?vName=Power+Tools+%26+Equipment&cName=Power+Tools&sName=Portable+Power+Tools&prdNo=3&blockNo=3&blockType=L3
4) After you make sure it fits, use it as a template for the other joists. ATTENTION! Do not blindly use it as a template. Variations in lumber (warping, twisting, bowing, thickness, etc.) make it necessary to check it in every position and adjust it.
5) Start placing and attaching the joists. We attached them using a pneumatic nailer. We toe nailed it on both sides, and each end of the joist.
6) After 26 joists, we were done.
7) Sink any nails that are sticking up.