Surface Reflectance Furnishings scope

same question, does anyone have the answer?One more thing how do we calculated/ find information  of surface reflectance when this information is not normally published 

My read of how they interpret "work surfaces" is essentially based on what you tell the reviewer how spaces / furniture pieces are being used. The LEED language states "work surfaces include desks or other table surfaces where individuals perform tasks." So, in a typical work space I would not anticipate dining tables in a break room to be used as a work surface. But, I would classify the reception desk as a work surface since presumably someone is there working throughout the day. You can tell the reviewer how surfaces are being used and they will review the documentation accordingly.

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Strategy F says "work surfaces and movable partitions" so yes - chairs, armchairs etc. are excluded.

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Timothy, not sure if this is a very satisfying answer - but here is what the LEED Reference guide says about identifying the surface reflectance:

• Before construction begins, review manufacturers’ cutsheets to identify reflectance, typically expressed as a fraction or percentage LR (light reflectance) or LRV (light reflectance value). If manufacturers’ data do not include reflectance, measure the reflectance of product samples (before construction) or the installed product (postconstruction) using the methodology described in IES Lighting Handbook, Section 9.12.2, Measuring Reflectance and Transmittance. Or use reflectance charts, such as Lighting Guide 11, Surface Reflectance and Colour.