after the regular shift, Employees called to work shall receive a minimum of four. 4) hours' pay at the prevailing overtime rates; provided however, that the Employee has reported to the jobsite in person, in a competent condition to carry out his duties, and providing adequate notice has not been given not to report to work. Adequate notice shall be construed as follows: Employees accommodated in camp shall be given one (1) hour's notice prior to starting time. Employees accommodated other than in camp shall receive a minimum of two (2) hours' notice prior to starting time by telephone or pre-arranged radio broadcast or some other mutually acceptable means. Each Employee shall provide the Employer with his telephone number where he may be reached, and the Employer shall fulfill the obligations of the above paragraph by contacting that telephone number. The Employer shall only be required to pay an Employee covered by this Agreement in accordance with the following. Such payment shall be processed at the otherwise prevailing straight time or overtime rate. > Worked in excess of 4 hours but less than 6 hours: pay for 6 hours *> Worked in excess of 6 hours: pay for 8 hours *> Work suspended due to inclement weather: pay for actual hours worked * In order to qualify for such payment the Employee must be available for work and in a competent condition to carry out his duties. If the Employee works more than four (4) hours on a Saturday, Sunday, or General Holiday, he shall receive a minimum of eight (8) hours' pay at the prevailing overtime rates.