2604 Solution

Don't waste too much time; the bombs will explode on schedule, whether you get out of the building in time or not.

>i. x papers. x envelope. e. e. s.

>x people. x creeper. give envelope to creeper. x watch. n.

>x hors. take knife. w. w. s. w. sw.

>x junk. open toolbox. look in it. take wrench. ne. e. e. se. 

>x cleaner. cut cord. x junk. nw. e. s. w.

>open window. x window.

>tie cord to wrench. tie cord to sink. throw cord at balcony. s.