2. The fee for—
(a)each quarter hour (or part thereof) spent by a solicitor in carrying out work other than that prescribed in paragraphs 1 and 3 to 5 hereof, provided that any time is additional to the total time charged for under paragraph 1 above, shall be £8.60.
(b)each quarter hour (or part thereof) spent by a solicitor’s clerk in carrying out work other than that prescribed in paragraphs 3 to 5 hereof shall be £4.30.