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SERIES 500 dRaInagE and SERvIcE ductS natIOnaL …
www.standardsforhighways.co.ukVolume 1 Series 500 Specification for Highway Works Drainage and Service Ducts dRaInagE and SERvIcE ductS 501 (05/01) Pipes for drainage and for Service ducts general 1 (11/06) Where the term drain is used in this Series it shall be deemed to include the terms sewer and piped
Specification for Road Works Series 500 - Drainage and ...
www.tiipublications.ieSpecification for Road Works Series 500 - Drainage and Service Ducts March 2015 2 Drainage and Service Ducts 501 Pipes for Drainage and for Service Ducts General Where the term drain is used in this Series it shall be deemed to include the terms sewer and piped culvert up to 2000mm internal diameter.