Taken from the safety first album.
Standard tuning.

Main riff
|-----------------------------------------|
|-----------------------------------------|
|--------------------3--3-----------------|
|--3--3--3--3--3--3--------5--5--5--6--5--|

This riff is maintained throughout the entire song, (except the solo.)

The guitar just plays- (Standard tuning)

Chorus:

G5
Every day, every minute,

C5    A5   B5 A5
of my life I ask...

For the verse, the guitar plays the above riff, same timing, but only plays each chord 
The bass carries on playing the main riff.