F6

		F6 Surface of high importance. Alignment, apperance very important	F5 Structural surfaces of importance. Frequent close scrutiny	F4 Structural surfaces of importance observed frequently	F3 Exposed surfaces not subjected to close scrutiny	F2 Keying surfaces for plaster and other thick coatings	F1 Roughness permitted: fill tieholes, defects. Colour Variation permitted.
		Architectural or feature panels. High velocity water channels.	Walls, panels, columns, beams, piers, soffits, parapets, railings, offices, foyers, public areas	Walls, panels, columns in secondary areas (e.d. basements, car parks)	Building and engineering structures viewed from afar	Interior and exterior surfaces to be coated	Concealed surfaces. Foundations, lined walls, upstream dam surfaces
Surface plane variation	Sample reference panels required	R	R	R
	Abrupt (mm)	1 3	3	4	6	6
	Gradual (mm)	4	6	6	6	6
Colour	Discolouration	P	P	P
	Contamination	P	P	P
	Dusting	P	P	P	P	P
	Retardation	P	P	P
	Efflorescence	P	P	P	P	P
	Acceptable shade range*	*	*	*
Physical Irregularities	Blowhole Limits	2	3	4	5	7	7
	Formwork Deflection	2mm 1/360	3mm 1/270	3mm 1/270
	Grout loss/scour	E	P	P	P
	Form tie	A	A	A
	Sheet location	A	A	A
	Scabbling	P	P	P	P
	Chipping	P	P	P	P
	Spalling	P	P	P	P
Surface dressings	Filling composition	S	A	S
	Method	A	A	A	A
	Action	A
R=Required S = Specifier to stipulate P=Precautions to minimise effects E=Prevent occurance A=Appoval required *If specified shade range required, the finish must be designated with X suffix

Table 1. Summary of specification requirements for formed finishes.