first runnings: 3gal @ 1.069 second runnings: 4gal @ 1.030 Using cool bag for first time. Attempting to hit 62º during fermentation.
Based on boiling 7.70 gallonsliters at 1.048 for 90 minutes, this will decrease your wort by 1.50 gallonsliters, bringing your after boil OG to 1.057. You wanted an OG of 1.059. It looks like it will be under.