Most construction work in general is covered by a general agreement for each trade negotiated through Construction Labour Relations Alberta. Please check the various endorsements to the agreement. The General Construction (Carpenters) CBA is here: CARP – 2015 – 2019 Collective Agreement 2018-05-06 To see which projects and areas of work are under the GPMC, click here. . Salary Plan – Craft Carpenter Standard Commercial Institutional – From May 1, 2020 Floor Coverers Standard Agreement and Wage Schedules The National Maintenance Council for Canada (NMA) Agreement is here. nma-alberta-province-wide-2017-19.