Key responsibilities: Wet services design - Domestic hot and cold-water reticulation per SANS 10252-1, including hot water generation design and specification.- Internal wastewater and condensate drainage per SANS 10252-2 and SANS 10400-P.- Water supply storage and booster pump station design, including pump selection and pressure management.- Soil and wastewater pump station design.- Specification of packaged water and wastewater treatment plant requirements in coordination with process engineers.- Conditional assessments of existing building services on retrofit and refurbishment engagements.Fire engineering design - Fire-water reticulation for hydrants and hose reels per SANS 10400-W.- Sprinkler systems per SANS 10287 / BS EN 12845 / NFPA 13 as applicable.- Fire pumps and pressure management; sizing and selection.- Fire-water storage sizing and basis-of-design reporting.- Fire safety strategies and fire signage in accordance with SANS 10400-T and related codes.- Integration with detection / alarm (SANS 10139), smoke control, and means-of-escape design.Sustainability integration - Sustainable urban drainage systems (SUDS) attenuation, storage, infiltration devices, softened conveyance.- Rainwater and greywater harvesting design.- Recycling and reuse of HVAC condensate, process water, and stormwater.- Integration of groundwater (from borehole abstraction) into building-side reticulation.Documentation across all six ECSA stages - Stage 12: Inception, briefing, basis-of-design, options analysis.- Stage 34: Developed and detailed design, drawings, specifications, BoQs, tender documentation, contractor evaluation.- Stage 56: Construction administration, site inspection, commissioning, performance verification, close-out, O&M manuals.Cross-disciplinary coordination - Coordinate with architects, civil and structural engineers, mechanical engineers (HVAC), electrical engineers, process engineers (groundwater / treatment), and Company (implementation).- Resolve interface issues; produce clear deliverables for adjacent disciplines.Productisation & methodology - Codify your design work into reusable templates and design tools.- Contribute to Companies wet services and fire engineering design standards.