There will be a 8:30 Shachris during Chol Hamoed in addition to the 7:00. See schedule below

Chol Hamoed (Wed-Fri)
1st Shachris: 7:00 AM
2nd Shachris: 8:30 AM
Mincha Maariv: 6:30 PM
Maariv: 9:50 PM