ALTER TABLE HazardFactor_Safety
ALTER COLUMN Hazard NVARCHAR(2000);

ALTER TABLE HazardFactor_Safety
ALTER COLUMN NetRiskControlMeasures NVARCHAR(2000);

ALTER TABLE HazardFactor_Safety
ALTER COLUMN AdditionalControlMeasures NVARCHAR(2000);

ALTER TABLE HazardFactor_Safety
ALTER COLUMN ProjectId NVARCHAR(50) null;

ALTER TABLE HazardFactor_Safety
ADD UnitId NVARCHAR(50) null;
ALTER TABLE HazardFactor_Safety
ADD UnitProjectName NVARCHAR(200) null;




ALTER TABLE HazardFactor_OccHealth
ALTER COLUMN Hazard NVARCHAR(2000);

ALTER TABLE HazardFactor_OccHealth
ALTER COLUMN NetRiskControlMeasures NVARCHAR(2000);

ALTER TABLE HazardFactor_OccHealth
ALTER COLUMN AdditionalControlMeasures NVARCHAR(2000);


ALTER TABLE HazardFactor_OccHealth
ALTER COLUMN ProjectId NVARCHAR(50) null;

ALTER TABLE HazardFactor_OccHealth
ADD UnitId NVARCHAR(50) null;
ALTER TABLE HazardFactor_OccHealth
ADD UnitProjectName NVARCHAR(200) null;