Natural Resources

Material name or type	Cost (£), weight(kg) and size (mm^3or mm^2)	Image	H&E + other regulations	The properties that it has.	References
one	Oak £2.40 1.4kg Greenheart £7.00 2.2kg Ekki £5.60 2.1kg Volume 2000cm^3		Timber durability BS EN 335, BS EN 350 Timber Treatment BS EN 351, BS 8417 Manual Handling & Work at Height Regulation	-wood rot -water seeping - timber Class 5 -Nature resistance -Is density and hardness great enough to have a long lifespan -Maintenance can be applied easily	(canallockgates, n.d.) (canalrivertrust, n.d.) (ecochoice, n.d.)