Part E1 Fire fighting equipmentPart E1 Fire fighting equipment (DtS)Specification E1.5 Fire sprinkler systemsSpecification E1.5a Class 2 and 3 buildings not more than 25 m in effective heightSpecification E1.8 Fire control centresPart E2 Smoke hazard managementPart E2 Smoke hazard managementSpecification E2.2a Smoke detection and alarm systemsSpecification E2.2b Smoke exhaust systemsSpecification E2.2c Smoke-and-heat ventsSpecification E2.2d Residential fire safety systemsPart E3 Lift installationsPart E3 Lift installations (DtS)Specification E3.1 Lift installationsPart E4 Visibility in an emergency, exit signs and warning systemsPart E4 Visibility in an emergency, exit signs and warning systems (DtS)Specification E4.8 Photoluminescent exit signs