General Information   First approved for use by the City of Calgary Waterworks Department in 2001 due to concerns over the potential for chemicals used in pressure treated wood to enter the surrounding water table and plastic water-line Approved by Epcor Water Services in Edmonton in 2003   Features   Tough & durable plastic design ensures longer life than wooden alternatives 100% recycled material ensures no contaminates enter the surrounding water table / line Rounded edges —› allows pipe to rest without causing point loading Will not rot —› permanently supports the valve & the valve assembly Bottom box can be fastened to the block with conventional screws Available Sizes (inches)   1.25 x 5.5 x 8 1.5 x 5.5 x 8 1.5 x 7.1 x 8 *Custom sizes available upon request