alter table HSSE_ConstructionRisk add SubUnitDutyPerson nvarchar(50) null
alter table HSSE_ConstructionRisk add MainUnitDutyPerson nvarchar(50) null
alter table HSSE_ConstructionRisk add MainUnitCheckPerson nvarchar(500) null
GO
alter table [dbo].[HSSE_ConstructionRiskCheck] alter column [Rectification] nvarchar(500) null
GO
alter table [dbo].[HSSE_ConstructionRiskControl] alter column Measures nvarchar(500) null
GO