Lesson 1Ventilation and IAQ: outdoor air requirements per person and per floor area, demand-controlled ventilation strategies, heat recovery optionsThis part deals with ventilation and inside air quality for South Sudan offices, covering outside air amounts per person and space, need-based ventilation using CO₂ or people count, and heat saving choices to cut energy while keeping to codes.
Outdoor air rates per person and per areaVentilation effectiveness and air distributionDemand-controlled ventilation using CO₂Occupancy-based ventilation controlHeat recovery wheels and plate exchangersBalancing IAQ, comfort, and energy useLesson 2Controls strategy: zoning, thermostats, BMS basics, scheduling, occupant overrides, setpoint control and setbackThis part covers zoning plans, thermostat placing, and basic building management system functions for local needs. It explains timing, setback and setup, people changes, and linking of heat, wet air, and air flow control for comfort and energy save.
Thermal zoning by orientation and useThermostat location and sensor selectionTime schedules, setback and setup controlOccupant overrides and access limitsBMS monitoring, alarms, and trendingCoordinating temperature and ventilationLesson 3Using load estimation standards and tables (ASHRAE, CIBSE, local codes) and converting published values to building-level estimatesThis part shows using ASHRAE, CIBSE, and South Sudan local code tables for loads and air flow. It explains reading listed values, using safety adds, and changing per-space or per-person data to whole building guesses.
Key ASHRAE and CIBSE load referencesLocal code requirements for HVAC sizingInterpreting tabulated load and gain dataConverting W/m² to total kW for buildingsApplying safety and uncertainty factorsDocumenting assumptions for complianceLesson 4Simplified heating and cooling load estimation methods: using W/m², sensible/latent splits, peak factors, and diversity—typical values and published referencesThis part brings quick heating and cooling load ways using W/m², felt and hidden splits, top and overlap factors, and variety. It points out usual office values, safety edges, and how to read published table sources.
Rule-of-thumb W/m² cooling loads for officesRule-of-thumb W/m² heating loads for officesSensible versus latent load componentsPeak load factors and coincidence factorsDiversity factors for multi-zone buildingsUsing manufacturer and handbook tablesLesson 5Basic hydronic design concepts: chilled water and heating hot water Sizing, delta-T choices, pump selection principlesThis part brings water system design for cold and hot water in South Sudan, including load-based flow sizing, temp difference picks, main and side pump ideas, pump pick basics, and effects on pipe size and controls.
Chilled water and hot water loop conceptsSelecting design supply and return temperaturesDelta-T choices and impact on flow ratesPipe sizing from design flow and velocityPump head calculation and pump curvesVariable flow and differential pressure controlLesson 6Air distribution strategies: supply/return layouts, ceiling plenum vs ducted systems, displacement ventilation basicsThis part shows air flow choices, including ceiling supply and return plans, piped versus ceiling space systems, and basic push ventilation. It deals with air outlet picks, air paths, comfort, and linking with ceilings.
Ceiling supply and return layout optionsDucted versus ceiling plenum distributionDiffuser types and throw pattern basicsDraft risk, stratification, and comfortDisplacement ventilation fundamentalsCoordination with lighting and ceilingsLesson 7Selection criteria: energy performance, indoor air quality, first cost vs lifecycle cost, maintenance and acoustic constraintsThis part explains comparing HVAC choices using energy work, inside air quality, start cost, full life cost, upkeep ease, and sound effect. It brings simple check tables and common trade-offs for office works in South Sudan.
Energy efficiency metrics and benchmarksIndoor air quality and filtration needsFirst cost versus lifecycle cost analysisMaintainability and access for serviceAcoustic limits for offices and meeting roomsMulti-criteria decision and scoring toolsLesson 8Overview of HVAC system types for offices: VAV with central AHUs, VRF/VRV, fan coil units with CHW, all-air vs. all-water hybridsThis part reviews common HVAC system kinds for South Sudan offices, including VAV with main air units, VRF or VRV, fan coil with cold water, and mixed all-air or all-water systems, pointing out usual uses, goods, and limits.
VAV with central AHUs: components and useVRF and VRV systems: layout and limitsFan coil units with chilled water systemsAll-air versus all-water system conceptsHybrid systems and decoupled ventilationMatching system type to office typologiesLesson 9Noise, vibration, and acoustic integration for HVAC componentsThis part explains noise and shake problems from fans, pumps, and compressors in local settings. It covers sound power, pass paths, basic sound goals, and real steps like separation, duct cover, quieters, and machine place.
Sound power, pressure, and basic metricsNC and RC criteria for office spacesVibration isolation of fans and pumpsDuct lining, silencers, and plenum designEquipment location and room treatmentsCoordination with acoustic consultants
