Walk to the front left corner and take a running jump to the next bank without pressing Action.

The next bank is a bit to the right. You need take a running jump from the corner that points the next bank. Be careful though as you cannot hop backwards, because you will slide down. So, you need to turn in midair and either grab and pull up or land directly on it.

Now head to the end of the bank and walk to the very front corner. You need to take a running jump and land directly on the last bank, because Lara denies grabbing it. Again, you cannot hop backwards, so you need to turn in midair.