Appendix A - Tables

Table 1 - Typical Ceiling Reflectances %

87	yellow	greyness group B
86	yellow-red	greyness group B
81	green-yellow	greyness group B
80	white emulsion on plain plaster
71	yellow	greyness group C
70	white emulsion on acoustic tiles
68	neutral	greyness group A
64	yellow	greyness group E
61	green-yellow	greyness group B
60	white emulsion on no-fines concrete
50	white emulsion on wood-wool slab
46	yellow-red	greyness group C
45	green	greyness group C

Table 2 - Typical Wall Reflectances %

80	white emulsion on plain plaster
80	white glazed tiles
70	white gault brick
65	pink plaster
40	white asbestos cement
40	light-grey brick
40	smooth Portland cement
35	stainless steel
30	fletton brick
25	light-grey concrete
25	rough Portland cement
25	London stock brick
25	light-oak & mahogany timber panelling
20	medium-oak & teak timber panelling
20	dark-grey concrete
15	blue engineering bricks
05	black-painted chalkboard

Table 3 - Typical Floor Reflectances %

80	white paper
79	red	greyness group A
62	blue	greyness group B
62	red-purple	greyness group B
45	cement screed
45	cream PVC tiles
45	light-grey carpet
42	blue	greyness group C
35	birch, beech & maple timber
25	brown & cream marbled PVC tiles
25	sage-green carpet
20	medium-oak timber
20	polished cork tiles
15	blue	greyness group E
10	red or heather-brown quarry tiles
10	dark, low-maintenance carpet
10	dark-brown PVC tiles
10	dark-oak timber

Table 4 - Selection of Typical LMFs

Notes:

1. The above LMF values are examples only; use manufacturers' data if available.

2. Luminaire Types are shown below:

Maintenance Category	Typical Luminaire Type
A	Bare-Lamp Batten
B	Open-Top Reflector (Ventilated Self Cleaning)
C	Closed-Top Reflector (Unventilated)
D	Enclosed (IP2X)
E	Dustproof (IP5X)
F	Indirect Uplighter

Table 5 - Selection of Typical RSMFs

Notes:

1. Room Size

Small: K = 0.7 Medium/Large: K = 2.5/5.0 K = Room Index

Table 6 - Selection of Typical LSFs

LSF	Lamp Type	Operation Time
0.50	High-Pressure Sodium, Improved Colour	12.0
0.60	High-Pressure Sodium	22.0
0.65	High-Pressure Sodium, Improved Colour	10.0
0.68	Mercury	20.0
0.70	Metal Halide	14.0
0.75	Fluorescent Multi- and Triphosphor	12.0
0.80	Mercury	16.0
0.85	Fluorescent Halophosphate	10.0
0.92	Mercury	10.0
0.92	High-Pressure Sodium	10.0
0.93	Metal Halide	4.0
0.95	Fluorescent Multi- and Triphosphor	8.0
0.96	High-Pressure Sodium	6.0
0.97	Metal Halide	1.0
0.98	Mercury	4.0
0.99	Fluorescent Halophosphate	6.0

Notes:

1. The above LSF values are examples only; use manufacturers' data.