Article 7
7.01
Construction work is hereby defined as erecting and assembling of apparatus as enumerated in Article 4 of this Agreement, except general repairs and modernization as defined in Article 8.02 and 8.05. Construction work shall be exclusively performed by mechanics and helpers.
7.02
It is agreed that the regular working day shall consist of eight (8) hours, between 8 a.m. and 5 p.m., five (5) days per week, Monday to Friday, inclusive. The above hours may be changed by mutual agreement as provided by Article 20.
7.03
Work performed on a Sunday or a holiday shall be classified as ovel'time and paid for at double the rate of single rate. All other time worked before and after the regular working day as scheduled shall be paid for at double the rate of single rate.
Not legal advice. Verify the cited article against the signed agreement.