HVAC - Introduction

• Introduction , basics, units,conversions
• Scope of HVAC
• Future of MEP and HVAC
• Applications of HVAC
• Standards in HVAC
• ASRAE,ISHRAE,DW144,DW142,SMACNA
• Introduction to air conditioning
• Type of Airconditioning systems
• Feasibility study
• HVAC Drawings
• Roles & responsibilities of HVAC engineers
• Detailed discussion of HVAC design
• Introduction to HVAC installation
• Introduction to HVAC maintenance
• Introduction to HVAC Testing and comissioning

HVAC - Basics, Units

• Definition of Heat
• Temperature & Conversions
• Tonne of refrigeration (TR) & Btu/hr
• Coefficient of performance (COP)
• Energy efficiency ratio ( EER, ISEER)
• Modes of heat transfer
• Saturation point concept
• Latent heat of Evaporation & Latent heat of fusion
• Enthalpy / Total heat
• Sensible and latent heat
• Vapour compression refrigeration cycle
• Types of Refrigerants
• Units - Metric and Imperial Units
• Conversions

HVAC - Psychrometry

• Introduction, uses and applications of psychrometry
• Properties of air
• Dry and Moist air
• Dry bulb temperature (DBT)
• Wet bulb temperature (WBT)
• Dew point temperature (DPT)
• Apparatus Dew point temperature (ADP)
• Humidity ratio / Specific humidity
• Relative humidity
• Specific volume
• Psychrometric chart study
• Psychometric software
• Psychometric analysis
• Cooling & Heating calculations using chart
• Humidification & Dehumidification
• Sensible heat factor
• Bypass factor & Contact factor
• Allignment circle
• Designs using Psychrometric chart
• Fresh air handling unit (FAHU) sizing using psychrometric char

HVAC - Machines

• Types of Air conditioning sysytems
• Confort air conditioning systems
• Industrial air conditioning systems
• Precision conditioning systems
• Direct expansion machines
• Split airconditioning machine
• Wall mounted split Ac
• Floor mounted split Ac
• Ceiling mounted split Ac (Cassette)
• Ducted split Ac
• Multi split Ac
• Inverter AC
• Difference between Split and Inverter AC
• Inverter AC with Dual compressor
• Unitary Systems
• Window airconditioning systems
• Packaged AC
• VRV/VRF Systems
• DX AHU / DX FAHU
• Chilled beams concept
• Radiant cooling concept
• Wrist cooling concept
• Vortex chiller concept
• Peltier cooling concept
• District cooling systems
• Desert cooler
• Air cooled chiller
• Water cooled chiller
• Cooling tower
• Fancoil units (FCU)
• Air handling unit (AHU)
• Fresh air handling unit (FAHU)
• Heat recovery unt (HRU)
• Ventilation& Exhaust fans
• Ecology unit
• Electro static precipitator
• Inline ducted exhaust fan
• Car parking exhaust fan
• Smoke exhaust fan
• Stairwell pressurization fan
• Lobby pressurization fan
• Garbage chute exhaust fan
• Kitchen exhaust fan
• Air curtain
• Constant air volume (CAV) system
• Variable air volume (VAV) system
• Single zone systems
• Multi zone systems

HVAC - Heating and Cooling load calculation

• Gathering datas
• Drawings required for analysis
• Ambient and Design conditions
• Latitude and Longitude
• Building Directions
• Land elevation w.r.t sea level
• Building sectional/elevation details
• Ventilation requirement as per (ASHRAE 62)
• Gathering U values
• Load from overhead Lights & Task lights
• Load from electrical equipments
• Load from people
• Load from Walls & roof
• Load from windows & skylight
• Load from Ceiling and floors
• Load from Infiltration and Ventilation
• Load from Partitions
• Cooling load calculation
• Heating load calculation
• Manual load calculation
• Load calculation using E20 sheet
• Load calculation using HAP Software
• Creating systems and schedules
• Generating report
• Understanding report
• Project :- Multistorey abroad BANK building

HVAC - Duct System

• Classification of duct
• Material using for duct construcion
• Duct construction standards ( SMACNA, DW)
• Duct gauge & thickness selection
• Duct aspect ratio
• Acoustic criteria for duct
• Velocity limitation for ducting
• NC values for Velocity selection
• Duct thermal insulation
• Duct acoustic insulation
• Duct Designing
• Equal friction method
• Velocity reduction method
• Static regain method
• Duct Designing Manual method
• Duct Designing using ASHRAE Chart
• Duct Designing using Software
• Duct nomenclature
• Supply Air Duct
• Return Air Duct
• Makeup air duct
• Fresh Air Duct
• Kitchen exhaust Duct
• Smoke exhaust Duct
• Toilet exhaust Duct
• Stairwell pressurization duct
• Generator exhaust duct
• Garbage chute duct
• Carpark exhaust duct
• Lobby pressurization duct
• Duct accessories
• Volume Control Damper
• Variable Air Volume
• Butterfly Damper
• Motorized Volume Control Damper
• Fire damper
• Motorized Fire Damper
• Motorized smoke Fire Damper
• Non-Return Damper
• Sound Attenuators
• Splitter damper
• Project training in duct sizing

HVAC - Machine selection

• Factors affecting machine selection
• Selection criteria of All Air conditioning Machines
• Specified data
• Proposed data
• Selecting machine as per ambient temperature
• Machine selection using Technical data sheet

HVAC- Space Air Distribution

• Primary air, Room air, Total air
• Comfort criteria
• Draft Concept
• Terminal velocity concept to prevent draft (T50)
• Throw, drop , Spread
• Noise criteria (NC) values
• Permissible delivery velocities
• Characteristic length of air terminals
• Types of air terminals
• Square diffuser
• Round diffuser
• Grilles
• Linear bar grille
• Linear slot diffuser
• Jet / Nozzle diffuser
• Displacement diffuser
• Disc valve
• Perforated diffuser
• Egg crate grille
• Fabric diffuser
• Louvers
• Fresh air louver
• Exhaust louvers
• Sand trap louvers
• Pressure drop in air terminals
• Air terminal design & selection
• Project training in air terminal selection

HVAC - Fan Selection

• Total pressure, static pressure, dynamic pressure
• Internal static pressure (ISP )
• External static pressure (ESP ) calculation Using Excel sheet
• External static pressure (ESP ) calculation using ASHRAE Software
• Fan performance
• Types of Fan
• Acoustic characteristics
• Fan power calculation
• Fan selection
• Project training in ESP Calculation and Fan selection

HVAC - Ventilation

• Toilet exhaust system
• Toilet makeup air system
• Kitchen exhaust system
• Kitchen makeup airsystem
• Car parking exhaust system
• Car parking makeup air system
• Generator room exhaust system
• Commercial kitchen hood design and selection
• Ecology unit selection
• Building fresh air system
• Building makeup air system
• Negative and positive pressure regions in buildings
• Stairwell pressurization
• Smoke exhaust system
• Lobby pressurization
• Building pressurization
• Project training in Ventilation

HVAC - Chilled Water System

• Introduction to chilled water system
• Chilled watar pipe materials
• ERW and Seamless pipes
• Pipe class
• Pipe schedule
• Chilled watar circuits
• Constant flow primary only system
• Primary secondary system
• Variable primary system
• Primary secondary tertiary system
• Direct return system
• Reverse return system
• Chilled water pipe sizing method
• Friction method
• Velocity method
• Friction Velocity combined method
• Pipe sizing using manual method
• Pipe sizing using Ashrae chart
• Pipe sizing using Pipe sizer software
• Condensate drain pump selection
• Condensate drain pipe sizing (CDP)
• Condensate drain pipe slope selection
• Drain trap sizing for condensate line
• Chilled water Valves and fittings
• Valve package for FCU, AHU, FAHU, Chiller, Pumps, Cooling tower
• 2 way motorized valve
• 3 way motorized valve
• Double regulating balancing valve (FO DRV, VO DRV)
• Pressure independent control valve (PICV)
• Strainer
• Orifice plate
• Pressure gauge, differential pressure gauge, test points
• Low DeltaT Syndrome
• Chiller Surge
• Troubleshooting of Chiller, Pumps, Cooling tower
• Project training in Chilled water pipe sizing

HVAC - Pump Selection

• Types of pumps
• Primary , Secondary, Tertiary pump selection
• Heat and Cool pump selection
• Pump flowrate calculation
• Pump head calculation manually and using software
• Pump power calculation
• Net positive suction head (NPSHr) Calculation
• Pump curves
• Variable frequency drive ( VFD / VSD )
• Pump selection using Head Vs Discharge Curve
• Project training in Pump Design & selection

HVAC - Cooling tower

• Types of cooling towers
• Natural, Forced , Induced draft cooling towers
• Cooling tower drift eliminators
• Cooling tower design and Selection
• Cooling tower pump selection
• Evaporation, Drift and COC losses of cooling tower
• Cooling tower makeup water calculation
• Chilled water expansion vessel design and selection
• Chilled water buffer tank design and selection
• Chilled water air separator design and selection
• Chilled water chemical flushing
• Chilled water Dozing system
• Project training in Cooling tower design & selection
• Project training in expansion vessel design & selection
• Project training in expansion buffer tank design & selection

HVAC - Heat Exchagers

• Plate heat exhangers (PHE)
• Heat exchanger design and selection
• Heat exchanger pump selection
• Project training in Heat exchanger design and selection

HVAC - Filters , Insulation, Acoustics

• Type of Air filters using in HVAC air side equipments
• MERV rating of filters
• HEPA and ULPA Filters
• Filter selection
• Types of thermal and acoustic insulation materials
• Insulation selection
• Acoustic insulation design and selection
• Sound attenuator design and selection
• Project training

HVAC Drafting - AutoCAD

• Learning autocad
• Introduction to AutoCAD
• Auto cad interface
• Coordinates
• Angle Measurement System
• Unit system ( SI,IPS)
• Keyboard shortcuts
• comand customization
• Draw tools
• Line, Polyline,Construction line,Spline,Multiline
• Circle, Rectangle, Ellipse,Polygon,Arc,Point,Revision Cloud
• Modify tools
• Copy , Move, Rotate, Offset, Mirror, Scale, Block,Explode
• Stretch, Join, Break, Align,Fillet, Chamfer,Trim,Extend,Reverse
• Point,Divide,Zoom
• Object Properties
• Line width, Line style, Dimensions,Dimension Style
• Single line & Multi line Text
• Layers, Laywalk, Purge,Xref, Etransmit, Audit
• Layouts,Page setup manager
• Printing & Ploting

HVAC Drafting - Preparing Layouts

• Template selection
• Setting units
• Attaching xref file
• Creating HVAC layers
• Inserting hvac blocks
• Allowance calculation as per site and ceiling
• Placing hvac equipments
• Placing air terminals
• Single line routing of supply duct work
• Single line routing of return duct work
• Making single line to 2D HVAC layout
• Creating and inserting duct fittings and accessories
• Mouth piece, Flexible duct connector
• Duct hangers, supports, vibration isolators
• Shoe piece,Collar duct,Concentric taper ,Eccentric taper
• Radius twin bend,Dovetail joint, long & Short radius elbow
• Smooth radis elbow,Mitered elbow
• Plenums,Flexible ducts
• Volume control dampers
• Thermostat
• Thermal insulation, Accoustic insulation
• Single line routing of chilled water pipe work
• Making single line to 2D chilled water pipe work
• Chilled water Valves and accessories connection
• HVAC Ventilation drawings
• Drawing legends and Notes
• HVAC Riser diagram
• Isometric drawings
• Tender drawing preparation
• IFC/GFC drawing preparation
• Working/ Shop drawing preparation
• As built drawing preparation
• Coordination
• Purging
• Binding Xref
• Etransmit
• Finding optimum sheet size for drawing
• Layouts,Page setup manager
• Title sheets
• Viewports
• Setting sheet and Scaling
• Pen assignments
• Drawing submission
• Taking printouts

HVAC - Quantity Surveying and Cost Estimation

• Introduction to HVAC Quantity surveying and estimation
• Roles of Quantity surveyour and Estimation engineer
• Pre tendering and post tendering
• Client, Consultant, Contractor
• Project Scope (sow)
• Bill of Quantities
• Specifications
• Vendors list
• Tender addendums
• Contract types
• Contract norms
• Contract standards (FIDIC)
• Request for information (RFI)
• Cost estimation
• Negotiation
• Letter of intend (LOI)
• Material Procurement
• Material submittals
• Method statement
• Confimation on Verbal instruction (CVI)
• Inspection requests (IR)
• Procurement
• DPR,WPR,MPR
• Material requesition (MR)
• All items in Air conditioning
• All items in Chilled water
• All items in Ventilation
• Planswift software
• Detailed quantity surveying using Planswift
• Quantity surveying check list
• Exporting planswift quantities in excel
• Quantity takeoff sheet preparation
• Bill of quantities (BOQ) preparation
• Additions and deletions
• Collecting material rates from suppliers as per vendors list
• Evaluating and Comparing Quotations
• Manhour calculations
• Labour rate calculations
• Considering profit
• Considering overhead
• Preliminaries
• Value engineering
• BOQ working sheet
• Rounding off cost before submission
• BOQ submission sheet
• BOQ summary and submission sheets
• Variations
• Post tendering part
• Project training in HVAC Quantity surveying
• Project training in HVAC Cost estimation

HVAC - Installation, Maintenance , Testing & comissioning

• Introduction
• Roles and Responsibilities of Site / Maintenance Engineer
• Getting familar with drawings
• Understaing sequence of a project
• Client, Consultant, Contractor
• Project Scope (sow)
• Bill of Quantities
• Specifications
• Vendors list
• Request for information (RFI)
• Procurement
• Material submittals
• Method statement
• Confimation on Verbal instruction (CVI)
• Inspection requests (IR)
• Material requesition (MR)
• Chiller Installation, o&m details
• AHU Installation, o&m details
• FCU Installation, o&m details
• Duct Installation, o&m details
• Fan Installation, o&m details
• Pipe Installation, o&m details
• Pump Installation, o&m details
• Cooling tower installation details, o&m details
• Duct work
• Chilled water pipe work
• Snag listing
• Supporting variations
• Final billing
• Project handover documentation
• As build drawings

HVAC - Final project ( implementing complete COURSE study)

SOFTWARES & TOOLS

• HAP - Heating and Cooling load Calculation
• E20 SHEET - Cooling load Calculation
• MCQUAY DUCT SIZER - Duct Sizing
• MCQUAY PIPE SIZER - Chilled water pipe sizing
• ASHRAE DUCT FITTINGS DATABASE - ESP Calculation
• AIRMASTER - Air terminal selection
• PLANSWIFT - Quantity Surveying
• MS EXCEL - BOQ, Quanity takeoff sheet, Cost Estimation
• DAIKIN VRV
• EXCEL - ESP Calculation, Pump Head Calculation
• AutoCad - Drafting
• REVIT MEP - BIM