HVAC Design, Drafting, Construction & Estimation per ASHRAE & SMACNA
Heating Ventilation & Air Conditioning – ASHRAE/ISHRAE/SMACNA
The training program deals with HVAC fundamentals/Systems/Components, system design, hvac drawings & drafting, equipment erection, project estimation, equipment maintenance & detail engineering of Central HVAC Systems including DX Air Systems & Chilled Water Systems with dedicated training sessions covering detailed applications & usage of codes & standards like ASHRAE, ISHRAE, SMACNA, ASME, ARI, DW 142, BS, & CIBSE.
WHO SHOULD ATTEND
Fresh Mechanical Engineering Graduates, Fresh Electrical Engineering Graduates, MEP Engineers, HVAC Engineers ( Project / Design / Estimation / Maintenance ), HVAC Draftsmen, MEP Draftsmen, MEP Co-coordinators, HVAC Site Supervisors, HVAC Technicians, HVAC QA/QC engineers, Design & Project Managers.
WHAT YOU WILL LEARN
Upon completion of this course the participant will be able to
· Learn to use codes & standards of HVAC industry.
· Design HVAC Systems – perform calculations, route, select equipments, estimate quantities and create hvac drawings ( Detailed & Shop Drawings )
· Perform cooling / heating load calculations for buildings.
· Design the Ventilation, DX Air & Chilled Water Distribution Systems for Residential & Commercial Buildings
· Understand the complete Design ( Air Duct , Chilled Water ) , Selection & Installation of different components & Systems used in the HVAC Systems
HOW TRAINEE BENEFITS
The participants enrolling for the training program at SkillIndiaRisingTech can look forward for a challenging position in Engineering Consulting & Construction Companies for different residential, commercial and industrial projects.
Work in multi – trillion dollar building services construction industry in India & Gulf Countries as
Design Engineers, Project/Procurement (Site Engineers), Estimation, Co-ordination Engineers,
Testing & Commissioning, Sales, QA/QC, Maintenance Engineers.
Scope of HVAC Industry with overview of Consulting & Construction industry.
Concepts of Air conditioning systems.
Codes & Standards
Types of refrigerant, Codes & Cylinder colors
Evaporating & condensing properties of refrigerant.
Refrigerant Pipe sizing methods
Darcy-Weisbach Method of Pipe sizing
Components of Vapor compression cycle
Functioning of Vapor compression cycle
Sub cooling & Super Heating Modes
Understanding of Suction Line, Discharge Line & Liquid Line
Understanding of Absorption Chilling system
a) Local cooling comfort System
Window Air conditioning
Split Air conditioning
Multi Split Air conditioning- VRF/VRV systems
Chilled water Fan coil unit
b) Centrally air conditioned system
Central Air Conditioning System/All Air System
Chilled water system/ All Water System
Properties of Air (DBT, RH, WBT, HR, DPT, ENTHALPY)
Types of Fans, Arrangement of Fans
Arrangements of Components of AHU
Basics of Heat transfer in a building envelop.
Understanding of Outdoor & Indoor Conditions.
Indoor Conditions requirements
Exposure of Wall, Latitude of Location, Daily Range etc
Factors affecting the loads estimate.
a) Heat Gain Calculation/Cooling Load Calculation
Sources of Heat Gain
External- Sun Gain through Glass/Window, Sun Gain through Roof/Wall Partition gain
Internal – People, Lights, Electrical Equipments, Motors, Kitchen Appliances
Heat gain through Infiltration air, Heat gain thorough Ventilation & By-pass air.
Heat gain through ducts.
Calculating ESHF, GTH, ADP, Dehumidified CFM.
b) Heat loss calculations
Basics of Heat loss in a building envelop. Sources of Heat loss –
Heat loss through Glass/window, Heat loss through Roof/Wall
Heat loss through Partition Glass/wall/Floor/slab, Heat loss through Infiltration air/Ventilation air & Bypass air.
Heat loss through slab on Grade
Note: Cooling & Heating Load calculation on Project (Commercial/Residential)
Understanding the need of Air Distribution System Design
a) Components of Air distribution system- Function/Selection/Installation/Maintenance
Types of Ducts, Duct Plenum, Flexible Connector, Sound Attenuator,
Duct Fittings- Duct Elbows selections (Long radius, Short radius- No throat, Throat elbows, with heel radius, throat radius & radius of elbow).
Vanes location & number of vanes required.
Duct Offset & Transition fittings site measurements methods
Dampers, Types of Diffusers, RAG, Flexible Duct, Flexible Connector, End Cap, Sound Attenuator etc.
Duct Material Calculation- GI sheet, Total sheet required in kgs. Gauge of duct & Thickness of Gauge. Hanger Spacing, Hanger Rod Diameter and Angle support Size.
Supply & Return Duct configuration, Assigning Velocity of Air (FPM) to each Section of Supply and Return Duct Low Velocity system, Medium Velocity System and High Velocity System.
Supply and Return Duct configurations & Routing methods- Extended Plenum Systems, Radial System, Trunk and Branch system
b) Duct designing methods.
Velocity reduction method.
Equal friction Method.
Static regain method.
Fan selection & Static pressure calculation
Constant Flow & Variable Flow Air distribution system
Selection & Installation of VAV’s, Diffusers, Sound Attenuator, Flexible ducts & other ducting components
Note: Air Distribution System Design on Project (Commercial/Residential)
Types of Ventilation System (Supply, Extract & Balanced)
Components of Ventilation system.
Design of Extract System for Toilets, Garbage Rooms, Warehouse Etc.
Design of Car Park Ventilation System.
Negative & Positive pressure requirements.
Restaurant and Residence Kitchen Ventilation System Design
Sizing of Hood, Number of filters required & Duct designing.
Stair Well Pressurization System Designing
Note: Ventilation System Design on Project (Commercial/Residential)
Introduction to Chilled water system, Hot water system.
a) Classification of chillers
As per Evaporator- Dx & Flooded Type
As per Condenser- Air Cooled, Water Cooled & Evaporative
As per compressor- Reciprocating, Centrifugal & Rotary/Scroll
Chiller arrangements, Cooling tower arrangement, Types of cooling tower
Expansion tank Function, Selection & Installation
Arrangement of Pumps
Pump Schemes of Chilled water system
c) Piping fundamentals
Pipe designators, piping standards.
Piping fittings- Elbows (Long Radius & Short Radius), Bends (45 Deg & U), Stub In Connections, Reducers, Olets and Components.
Valves used in Chilled water system – Gate Valve, Globe Valve, Butterfly Valve, Check or NRV Pressure Regulation & Safety, Double Regulation Valve
Automatic Valves used in Chilled water system- 2-Way & 3-Way
Piping Arrangement –Closed Loop & Open Loop, 2-Way Piping, 3-Way piping & 4-Way piping.
d) Chilled Water System Design
Water Demand calculations- Chilled Water GPM/Condenser Water GPM/Hot Water GPM calculations
Calculation Water velocity- Suction side & Discharge side, assigning velocity to different pipe sections.
Pipe routing & Pipe Sizing for Chilled water & condenser water piping
District cooling system design & installation
Friction loss calculation for the piping system
Friction Loss in Straight Pipes.
Friction Loss in Straight Pipes. Friction Loss in Fittings. Valves used in Chilled Water System
Friction Loss in Valves & Special components.
Calculating TDH for Pump (Open Piping System and Closed Piping System).
Pipe Sizing Manual Method Hazen-Williams Equation for Calculating Friction Loss.
Pump Cavitations & NPSH Calculation for Pump
AHU & FCU classification and selection.
Package Unit Selection DX- Chiller Selection.
Condenser Selection (Air cooled, Water Cooled, Evaporative).
Cooling Tower Selection Mixed Air Temperature Calculation.
HRF for Open and Closed Compressor.
Expansion Tank Selection
Understanding the tendering requirements
Final Billing & Quotations finalization
Preparation of Material submittals, Shop drawing submittals, Types of approval
Identifying the critical equipments, preparation of purchase orders, Letter of Intent, Letter of credit, Minutes of meeting
Introduction to Drafting,
Types of Drawings used in the industry,
Study & Preparation of Floor Drawings,
Builders Work Drawings,
Co- ordination Drawings &
Riser Diagram, Abbreviations & Symbols used.