Duct Design Ppt

At US Duct, ductwork design is a key part of operation. and many more programs are available for instant and free download. Excel Table MTBF MTCM MTPM Runtime StarPM PM CostCOF COD (hrs) (hrs) (hrs) (hour) (hrs) ($) ($) ($)/hr 1 Valve 1 V1 8 4 0 1 6 10 1000 606. Core-Duct Liners •Acoustic liners in the core duct need to survive in the very hot environment. These are perfect for your facility. Part Number: MT63. Can velocity In a pulse jet dust collector with the filter elements suspended from the tubesheet, can velocity is the upward air stream speed passing. 35 square feet. Sintered moisture protection coating on all duct, immersion, surface, and cable sensors protects against condensation, mechanical stress, and vibrations. 18: Class 1 Quiz - Duct Design Level 1 Fundamentals: Class 1 Chart - Round Duct Friction Loss: 10. Great deals on consumer electronics from computer parts, laptops, LED, cameras, consumer electronics, and more with great customer service. BSC and the builder developed a duct design strategy that employs a system of dropped ceilings and attic coffers for moving the ductwork from the vented attic to conditioned space. 18: Class 1 - Round Duct Friction Loss Chart: Class 2 Presentation - Coils: DX. A company’s success is made with duct tape, dry erase boards, and an inquisitive philosophy. static pressure Straight Duct Straightduct sectionsare fabricatedusing hand toolsor a groovingmachine. S & Metric Units Sheet Metal and Air Conditioning Contractors' National Association, Inc 4201 LAFAYETTE CENTER DRIVE CHANTILLY, VIRGINIA 20151-1209 HVAC SYSTEMS-DUCT DESIGN SMACNA 1990 c All Rights. PRESENTATION ON HOW TO SIZE DUCT WORK. 8, 2011 Title 41 Public Contracts and Property Management Chapters 102 to 200 Revised as of July 1, 2012 Containing a codification of documents of general applicability and future effect As of January 1, 2012. A single membership subscription to our collection entitles access to over 200+ business website templates, 140+ corporate website templates, 2500+ xhtml website templates, 2,200+ css templates, 170+ web design website templates, and many more!. All 600 amp T-bodies and 200 amp elbows will have test points. 2 Mat-faced micro-air type 475 duct boards are listed by Underwriters Laboratories as tested in systems in accordance with UL 181 Class 1– “Standard for Safety for Air Ducts”Available in 24x24 and 24x12 dimensions O. Features include 2D and 3D ductwork drafting, ductwork sizing, pressure drop calculations, and building load calculations. The software allows you to organize the layout structure of your duct system and provides detailed engineering information on a section-by-section basis making revisions and updates easier. Any fabric-backed tape will deteriorate over time. Class 1 Presentation - Duct Design: Class 1 Worksheet- Duct Sizing: 10. Mike Holt Enterprises, Inc. With smart object included you can edit the layers of the graphic canvas or remove them completely and place your own graphics inside, without worrying about perspective, light and shadow effects. Design of a test specimen is not a trivial matter. txt) or view presentation slides online. Good Ducts Start With Good Design Design - yeah, right! What constitutes design is usually a mix of after-thought, what happens to be on the truck at the moment, and the need to get the job done quickly. 003 • Don’t dimension everything. Senior Design Team an Affordable Option The students were tasked with prototyping and testing designs for easily manufactured HVAC wind turbines. Duct Fanned Shielding Design for Quadrotors Abstract The master thesis work involved the design implementation of a duct fanned shielding for Quadrotors. Learning curve is simplified by utilizing the familiar tools & tabs already within RSU, and yet with lots of bells and whistles for rainy day exploration and further fine tuning of design presentation. In air conditioning systems the duct is considered a static component of the installation through which air flows within the building, connecting all parts of the system. “While the calculator resembles a wheel similar to those used during the days of slide rules, it incorporates three new fields for equivalent duct sizing,” Chris Van Rite, developer of the calculator, said. Most duct or duck tape doesn't cut it. I found that this results from the high static pressure inside of the duct pushing the duct forward towards the front of the car. This page contains HVAC System Seminar and PPT with pdf report. Subscribe to Envato Elements for unlimited Graphic Templates downloads for a single monthly fee. Ducts can be best described as arteries of the central air-conditioning system. An Introduction to Acoustics S. CSD Rise Duct Seals. million in propertylos. Single Family Residential Energy Code Field Study. As an equation, this is written:. The study was approved by the institution’s ethics board. One important criteria for the design of transformer core, is that, it must not be saturated during the transformer’s normal operation mode. Providing Exceptional Craftsmanship for Over 75 Years. 6 8,733,319$. Duct leakage. This photorealistic PSD templates is fully editable. The intent of the information is to. Introducing Design School – our jam packed platform with its own mini search engine! Design School was made to help you learn all there is to know about fonts, graphics, templates, designs, file types, different software programs, Frequently Asked Questions and much much more. This allows you to connect as many as nine digital or analog, high-definition or standard-definition video sources, including computers, laptops, media servers, Blu-ray players and cable/satellite boxes, and rapidly switch among them. PHP engineers and manufactures roof pipe supports without penetration, flashings, or damage to the roofing material. Another phenomena is the s-duct flow, the flow in such as diffusing s-ducts Fig. Line 6: Duct Area = 0. 2 Mat-faced micro-air type 475 duct boards are listed by Underwriters Laboratories as tested in systems in accordance with UL 181 Class 1– “Standard for Safety for Air Ducts”Available in 24x24 and 24x12 dimensions O. There are also a number of compliance credits available related to duct system design. and many more programs are available for instant and free download. The blower gives us a pressure rise. DUCTWORK DESIGN MISTAKE #5: Lack of returns. Using this mockup you can have a realistic view of your design on duct tape. Because of its multipurpose uses, it's important to add a cool label and design pattern for effective promotion. • This is the desired friction loss in inches w. TEXI-DUCT suits any type of buildings thanks to its design and custom-made manufacturing: shapes, transformations, materials, colors… Construction: Shape: circular, ½ circular, ¼ circular or oblong; Textile duct: airtight fabric (M0, M1 or non-classified). • Extra strong, all-purpose and waterproof • Fixes, binds, mounts, repairs, bundles, joins, seals, reinforces, protects and identifies. TrioFour introduces us to the fantastically generic duct tape font 'Shuetsu-tai' by Shuetsu Sato. Hamilton Home Products, Inc. 18mm) Swagelok™, Male - 0. The design utilising strong and lightweight materials is a great advantage. What works in agile software development methodology also applies in introducing new business practices. 10 Dual Duct Systems 64 8. Duct Fans to 1 1/4” SP Air System Design Standard Density is 0. Fire Retardants and Truss Design Introduction Fire retardant treatments FRT weredeveloped to be applied to buildingmaterials such as dimension lumber. of equivalent length (in. com Understanding Basic Residential Ductwork Design. ASHRAE Fellow Director, IRC and HVAC&R Center Professor, University of Wisconsin-Madison 1 During this presentation Roots of refrigeration system safety Overarching goals of refrigeration system safety Standard 15 purpose, scope, and overview Current status 2. The major ducts have numerous branches, each of which ends in a terminal duct lobular unit, where milk is produced during lactation (, 5). Showcase your design with this Duct Tape Mockup. 95kPa) Differential Female - 1/8" (3. Provide balancing dampers at supply, return, and general exhaust branches when connected to larger ducts, as required, for air balancing. Learning curve is simplified by utilizing the familiar tools & tabs already within RSU, and yet with lots of bells and whistles for rainy day exploration and further fine tuning of design presentation. Armed with knowledge from real job examples, you can make informed decisions on product selection and scope resulting in more efficient, less expensive duct systems. We get 15 minutes each, so I’ll elaborate on my part a bit here. Main presenting symptom was epigastric or right hypochondrial pain (39. Duct Design Presentation by Dave Janquart This is a Power Point Presentation on the Buildings Inspectors Association website on duct design. With a staff of more than 90 professionals fabricating and installing over 500 tons of metal each year, Kaempf & Harris handles commercial, industrial and institutional projects of any size, including design/build, plan and spec, and projects requiring custom design solutions. static pressure Straight Duct Straightduct sectionsare fabricatedusing hand toolsor a groovingmachine. 2 Robertson’s Design Curve Robertson evaluated the mean values of α for many sections as given in Table 1: Table1: α values Calculated by Robertson Column type α Values Beams & Columns about the major axis. Duct Design Basics - Free download as Powerpoint Presentation (. Size Ducts from Fan Outlet to Diffusers 8. What works in agile software development methodology also applies in introducing new business practices. Before duct design. Good duct design As stated, good duct design involves sizing the ducts, determining the pressure losses, calculating the noise levels, determining the out of balance pressures and optimising this against the total cost of the system. txt) or view presentation slides online. Using Ductwork Symbols to Design P&ID In order to better understand the application of symbols, here we provide some complete P&ID examples using ductwork symbols. 6 | The STP Guide – Design, Operation and Maintenance | 7 13. Subscribe to Envato Elements for unlimited Graphic Templates downloads for a single monthly fee. Good Ducts Start With Good Design Design - yeah, right! What constitutes design is usually a mix of after-thought, what happens to be on the truck at the moment, and the need to get the job done quickly. design and performance are addressed in the following chapters: 1) early design issues, 2) zone issues, 3) VAV box selection, 4) duct design, 5) supply air temperature reset, 5) fan type, size and control, 6) coils and filters, and 7) outdoor air, return air and exhaust air. ASHRAE Fellow Director, IRC and HVAC&R Center Professor, University of Wisconsin-Madison 1 During this presentation Roots of refrigeration system safety Overarching goals of refrigeration system safety Standard 15 purpose, scope, and overview Current status 2. See full list on theengineeringmindset. Daikin Europe, Consulting sales section. The Emtelle group is the industry leader in plastic tubing for telecoms and water piping & the first high-volume producer in the world of blown fibre tubing. 2 Robertson’s Design Curve Robertson evaluated the mean values of α for many sections as given in Table 1: Table1: α values Calculated by Robertson Column type α Values Beams & Columns about the major axis. Call 1-631-273-0500, Monday – Friday, 7am to 6pm EST,. 50 EN:NA 0 100 Negative Plenum Hard duct only 1, 2 & 3 III Closed: * >0. NEBB Duct Leakage Presentation - Free download as PDF File (. This multi-format matrix switch/splitter features six HDMI inputs, as well as one each for VGA + Audio, DisplayPort and Component Video. A duct run is often kept flat on the top to keep it against the overhead. Founded in 2007, Advenser is a trusted engineering service partner to the construction industry. 6 Tips for Good Ductwork Design. 2012-1603C Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company,for the United States Department of Energy’s National Nuclear Security Administration under contract DE-AC04-94AL85000. They are a standard design. Hard duct 1, 2 & 3 II Type A1 US:0. Primarily used for plenum, enclosure, and barrier wall applications, the panels can be designed to fit in practically. The area of an 8” duct is. Duct quantities 3. DESIGN OF AXIALLY LOADED COLUMNS σc (Mpa) fy λ Euler curve Design curve with α = 0. Waves Metal Steel Fabrication Pipping Storage Tanks Cement Plants ducts, Sulaimaniya, Ar Riyad, Saudi Arabia. • The UL Classification is established in accordance with ISO- 6944,. Design Standard Electrical Manholes. ID #17143416. Design of a test specimen is not a trivial matter. Consider how many of your service agreements include the duct system. These ducts are the parts of human respiratory system. 3 Fire and Smoke Dampers. Before duct design. General and Local Exhaust Ventilation. Duct Design in Low Load Homes Author: Brad Oberg, IBACOS Subject: This presentation was delivered at the Building America Residential Buildings Energy Efficiency Meeting on July 20-22, 2010. It also eliminates the need for double wall ducts and reduces the amount of sheet metal since the effective area of the duct is increased. Results: Mean age of the sample was 43. Design of the HVAC system is the prerogative and responsibility of the engineering professional. The Medi-Duct is an ocular fluid management system designed to make irrigation with the Morgan Lens even more convenient. Lowest price and speed of installation should not be your primary concerns because duct performance impacts energy efficiency, operating costs, comfort and indoor air quality. ( Note : This article about the 10 things you should have in your presentation kit. Low system pressure drop –size ductwork for low velocity and minimize length of duct runs 4. Determine Number of Zones 2. It also eliminates the need for double wall ducts and reduces the amount of sheet metal since the effective area of the duct is increased. Field and design office plus a little shop experience is good preparation for designing or teaching. In addition, the work focused. The topics to be covered include: Rooftop Units Level I – Constant Volume, Rooftop Units Level II – VAV Rooftops, Commercial Split Systems, Central Station Air Handlers, Air Cooled Chillers, Water Cooled Chillers, Psychrometrics, Load Estimating, Duct Design. Trane, in proposing these system design and application concepts, assumes no responsibility for the performance or desirability of any resulting system design. Johns Manville - Duct Liner PM is a flexible duct liner insulation made from strong, glass fibers bonded with a thermosetting resin. Sealing your ducts properly with a $12 bucket of mastic or roll of foil tape could save you thousands in the cost of a replacement HVAC system. txt) or view presentation slides online. Whether you are a builder, a general contractor or an architect, Advenser can fulfill your project requirements with tailored and customized solutions ranging from design development to As-built BIM modeling. pptx), PDF File (. Safe Design of VRF & Other Refrigeration Systems Douglas Reindl, Ph. Optimum Design of Cross-Section of Transformer Core. Air Moves Through the Ductwork in Response to a Pressure Difference Created by the Fan The objective of duct design is to size the duct so as to minimize the pressure drop through the duct, while keeping the size (and cost) of the ductwork to a. For advanced duct tape artists looking for a challenge, this video will teach you how to create a spider-web-like design as part of a credit cmore How To : Make a duct tape dress form This how-to video covers the steps for making an exact double of your body out of duct tape to use as a dress form. Buy curl graphics, designs & template from $11. SECTION 1802 - SEQUENCE. Showcase your design with this Duct Tape Mockup. 3 Pressure Balancing. Its super-absorbent wick carries the irrigation solution away from the patient through a 24-inch tube. Method three – Plot Fan Airflow. COURSE CONTENT 1. Our collection of premium web templates covers various industries and categories. TEXI-DUCT suits any type of buildings thanks to its design and custom-made manufacturing: shapes, transformations, materials, colors… Construction: Shape: circular, ½ circular, ¼ circular or oblong; Textile duct: airtight fabric (M0, M1 or non-classified). The Medi-Duct. 2015 TABLE OF CONTENTS Pages Checklist Number of Items 1. MetroTwin (sticks) and MetroFlex (coils) are designed to meet the required compression strength to current Highways specification and are supplied in various colours and markings to suit NJUG. pptx), PDF File (. , presence of a radiant barrier. The airstream surface is protected using a durable glass mat facing that contains an EPA-registered antimicrobial agent. All 600 amp T-bodies and 200 amp elbows will have test points. | PowerPoint PPT presentation | free to view. Duct Fans to 1 1/4” SP Air System Design Standard Density is 0. “While the calculator resembles a wheel similar to those used during the days of slide rules, it incorporates three new fields for equivalent duct sizing,” Chris Van Rite, developer of the calculator, said. Showcase your design with this Duct Tape Mockup. The new design maximizes LRU accessibility, resulting in enhanced maintainability. DUCT CONSTRUCTION 9/15/99 INTERNATIONAL TRAINING INSTITUTE 6 Fiberglass Reinforced Plastic APPLICATIONS – Chemical fume exhaust, scrubbers, and underggyround duct systems ADVANTAGES – Resistance to corrosion and strength Polyvinyl Chloride (PVC) APPLICATONS – Exhaust systems for chemical fumes and hosppg yitals, underground duct systems. design and performance are addressed in the following chapters: 1) early design issues, 2) zone issues, 3) VAV box selection, 4) duct design, 5) supply air temperature reset, 5) fan type, size and control, 6) coils and filters, and 7) outdoor air, return air and exhaust air. All 600 amp T-bodies and 200 amp elbows will have test points. Most good designers throughout history have learned their profession by a combination of academic and practical work. 35 square feet, to find 140 CFM exhaust fan airflow. Then in part 2 I covered available static pressure. Most new urban developments are ventilated using these systems. The design is analysed by Finite Element Method (FEM) based HFSS Simulator Software 14. I started the series with a look at the basic physics of air moving through ducts. txt) or view presentation slides online. This will typically be:! One exemplar piece of duct tape taken from the end of the roll of duct tapp;e;! One or more evidential pieces of duct tape to be matched against the exemplar. Design of Ventilation Systems - Design procedure for ventilation systems - air flow rates, heat and cooling loads, air shifts according occupants, air supply principles Duct Sizing - Equal Friction Method - The equal friction method for sizing air ducts is easy and straightforward to use. Subscribe to the Duct Tape Marketing Podcast. Daikin Europe, Consulting sales section. PART 1 - GENERAL INSTALLATION PROCEDURES. In this medical image, we have used graphic of Thoracic duct and Left Lymphatic Duct. Static pressure 101 Static pressure is the amount of pressure a fan has to push and pull against to move air through a duct system. Right lymphatic duct empties at junction of right internal jugular and right subclavian vein. This loss causes the unit to work even harder to attain the desired household temperature. com, cad-schroer. It ensures an efficient airflow distribution according to the projects’ requirements. , presence of a radiant barrier. TEXI-DUCT suits any type of buildings thanks to its design and custom-made manufacturing: shapes, transformations, materials, colors… Construction: Shape: circular, ½ circular, ¼ circular or oblong; Textile duct: airtight fabric (M0, M1 or non-classified). Here’s a Free Duct Tape Mockup in PSD crafted to help you in designs a duct tape. Our collection of premium web templates covers various industries and categories. Perform Heating and Cooling Estimate 3. Every Air Conditioning Template you see below is very beautiful in design, fully optimized, SEO-friendly and 100% responsive. 2 Design Criteria. Then inspect your ducts regularly for signs of any further leaks. If you know your small business needs marketing, but don’t have the time or resources, look no further. Naylor Metro Class 2 Twinwall Cable Duct offers the advantages of a lightweight flexible ducting product combined with high strength and durability. A lot of time and effort can be spent following engineering procedures to design the ducts and fittings for a ventilation system. An air speed of at least 3800 feet per minute in vertical runs (known as down drops) is required to avoid clogs that block our airflow. External ducts for fibre optic and other connections between buildings shall be twin walled rigid duct, minimum 100mm diameter, externally ribbed with a smooth interior. HVAC SYSTEMS DUCT DESIGN SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION, INC HVAC SYSTEMS DUCT DESIGN 1990-Third Edition U. TrioFour is a film and documentary team based in Tokyo. Primarily used for plenum, enclosure, and barrier wall applications, the panels can be designed to fit in practically. TrioFour introduces us to the fantastically generic duct tape font 'Shuetsu-tai' by Shuetsu Sato. Most new urban developments are ventilated using these systems. Since 1998, we have been providing HVAC Shop Drawing and Solidworks services to a variety of customers. Every Air Conditioning Template you see below is very beautiful in design, fully optimized, SEO-friendly and 100% responsive. COMPANY PRESENTATION 43,000 m2 Duct, Valve, Orifice, etc. The contractor – from design to installation to service The filter manufacturer The building owner Nobody AIR FLOW TERMINOLOGY CFM Volume or Quantity of air measured in Ft3/min FPM Velocity of the air measured in Ft/min STATIC Resistance to the air flow measured in inches of water column (“w. High Performance HVAC Heating and Cooling. Law is the operating system of our society. ‎دكت ماستر Duct master‎. For more information, call 888-452-6244, or go online at www. Guidelines for Planning and Design of Biomedical Research Laboratory Facilities by The American Institute of Architects, Center for Advanced Technology Facilities Design. Most good designers throughout history have learned their profession by a combination of academic and practical work. •A total-system multi-disciplinary-optimisation design approach is required. CSD RISE cable duct seals are specified throughout the electric and water utility networks to provide protection of ducts and duct openings against the dangers of water ingress and gas migration with up to 4 hour fire resistance to the spread of flame where cables penetrate fire rated boundaries and building openings – the watertight, gastight and fire resistant seals. The intent of the information is to. This multi-format matrix switch/splitter features six HDMI inputs, as well as one each for VGA + Audio, DisplayPort and Component Video. 1is complex in nature due to effects arising from the offset between the intake plane and engine face plane. Colorful printed and patterned duct tape have also become more popular, as specific types have been developed for certain applications. Subscribe and Download now!. Duct Design: The object of duct design is to determine the dimensions of all ducts in the given system. A company’s success is made with duct tape, dry erase boards, and an inquisitive philosophy. Duct Design. (in Japanese with English subtitles) "Presentation of the Day" on July 31, 2013. This will typically be:! One exemplar piece of duct tape taken from the end of the roll of duct tapp;e;! One or more evidential pieces of duct tape to be matched against the exemplar. 15” WG Duct VP (from TABLE 5-7A at V = 4298 FPM) = 1. Static pressure 101 Static pressure is the amount of pressure a fan has to push and pull against to move air through a duct system. Fire Retardants and Truss Design Introduction Fire retardant treatments FRT weredeveloped to be applied to buildingmaterials such as dimension lumber. Our goal is to please our customers, so we understand how important it is for us to supply everything you need for your custom duct design. Features include 2D and 3D ductwork drafting, ductwork sizing, pressure drop calculations, and building load calculations. 35 square feet, to find 140 CFM exhaust fan airflow. Compact with design flexibility, these units are easily installed and require minimal ductwork, allowing greater energy efficiency while maintaining cooling and heating comfort. 11 Variable Volume Terminal Unit Procedures 66 8. Female to male ratio was 34/22. The single duct systems can provide either cooling or heating using the same duct, but not both heating and cooling simultaneously. The new design maximizes LRU accessibility, resulting in enhanced maintainability. Low-velocity design will lead to larger duct sizes, but it may be worth since, doubling of duct diameter. • This is the desired friction loss in inches w. 08 IWC / 100 ft design friction rate. The world's leading method for emergency eye irrigation. Pine Mountain Builders. EFFICIENT DUCT SYSTEM DESIGN: MAKE SEMCO SPIRAL DUCT YOUR FIRST CHOICE in performance. Patients and method: 56 patients with suspected residual bile duct stones were reviewed with regard to clinical presentation, stone profile, success rate and outcome. Tech’s disposed of all unused materials and clean area. o Another 20 dBA noise reduction in the room design can be achieved with longer duct silencers and multiple exhaust mufflers, but space requirements are substantial. Safe Design of VRF & Other Refrigeration Systems Douglas Reindl, Ph. The PHP-D model is designed to support any size of square or round duct at most any specified height above the roof surface. A company’s success is made with duct tape, dry erase boards, and an inquisitive philosophy. Duct Design The purpose of air conditioning ductwork is to deliver air from the fan to the diffusers which distribute the air to the room. Ducts that are not well designed result in discomfort, high energy costs, bad air quality, and increased noise levels. 2, Duct Design, sponsored the project. Proper Duct Design and Building Energy Efficiency The educational sessions provide a platform for discussion on the advantages and disadvantages of duct solutions currently on the market. Ductwork may seem simple on the surface, but there is a lot of planning that goes into designing efficient and effective home ventilation systems. Not providing enough returns is a common ductwork design flaw that leads to comfort complaints. Design Master HVAC is an integrated HVAC building design and drafting program that runs on top of AutoCAD. Ducts, fitting and grilles. Any fabric-backed tape will deteriorate over time. requirements and is built in accord­ ance with NEMA. • This is the desired friction loss in inches w. Where no specific duct pressure class designations are provided by the designer, the 1” water gage pressure class is the basis of compliance with these standards, regardless of. Piping design and equipment arrangement are interrelated subjects that cannot be well taught in the classroom. If you're looking for inspiration, you can reference how Raf used the duct tape in his fall 2017 presentation that served as a love letter to New York City. Start a route by creating a connection point on a plane. Waves Metal Structural Steel Fabrication & Projects Division, with its. December 7, 2015. Duct Fanned Shielding Design for Quadrotors Abstract The master thesis work involved the design implementation of a duct fanned shielding for Quadrotors. AIR DENSITY. When pulled out of the box, Raceway On-A-Roll® is in its flat design, can be cut to exact size, and snaps together into a standard duct shape. DESIGN REMARKS Air Handling Units, Fans (Supply, Return, Exhaust - 5% to + 10% Systems with filters must be tested at dirty conditions Outdoor Air 100% to 110% To obtain this accuracy requires ductwork that can be traversed Terminal Boxes ±5% Diffusers and Grilles ±10% If the design is ≤ 100 CFM ( 47 l/s) will be ±10 CFM (4. High Performance HVAC Heating and Cooling - Welcome to High Performance HVAC where we offer technical information regarding HVAC Systems including Air Conditioners, Air Handlers, Boilers, Commercial Systems, Direct Digital Controls, Heat Pumps, and many other subjects regarding heating ventilation and air conditioning. Core-Duct Liners •Acoustic liners in the core duct need to survive in the very hot environment. The first. Beckfeld, M. Number one is the heating and cooling load calculation using a protocol like ACCA's Manual J or the ASHRAE Handbook of Fundamentals. The quiet and efficient backward-curved motorized impeller is capable of developing significant pressure, and the in-line configuration simplifies installation. Primarily used for plenum, enclosure, and barrier wall applications, the panels can be designed to fit in practically. ASHRAE Table 5 - Shading Coefficients and U-Factors for Residential Windows. Central System Design Exhaust System o Locate exhaust fan outside, if possible o If exhaust fan is inside, use welded duct construction downstream of fan o Bag in/bag out prefilter/HEPA filter upstream of the exhaust fan o VFDs for the exhaust fan to adjust fan speed as filters load up o Locate fan discharge away from all. Air and gas ducts for fossil fuel power stations and industrial boiler applications are unique structures, yet structural analysis and design of ductwork are not currently referenced or governed by any national code or design standard. Duct design. Design criteria for room ventilation. –Measure air flow (CFM) needed to equalize pressure in ducts to 0 Pa. A duct run is often kept flat on the top to keep it against the overhead. pptx), PDF File (. In addition, the work focused. DESIGN REMARKS Air Handling Units, Fans (Supply, Return, Exhaust - 5% to + 10% Systems with filters must be tested at dirty conditions Outdoor Air 100% to 110% To obtain this accuracy requires ductwork that can be traversed Terminal Boxes ±5% Diffusers and Grilles ±10% If the design is ≤ 100 CFM ( 47 l/s) will be ±10 CFM (4. Every Air Conditioning Template you see below is very beautiful in design, fully optimized, SEO-friendly and 100% responsive. Although most commonly used for writing, packaging, and wrapping, it is also perfect for doing science experiments. These are perfect for your facility. Custom Duct Design Services. These systems can be further classified as: • Single duct, constant volume, single zone system;. 31 – HVAC DUCTS DESIGN AND CONSTRUCTION STANDARD D. The loop is fed by four or more ducts radiating out from the central plenum. Duct System Design Page 1. Ceiling tile barriers and light hoods reduce sound transmission and cross talk when using in ceiling grids and plenum spaces. We are ready to custom engineer your utility, co-generation, petrochemical or heavy industrial application with a complete range of bus duct products, systems and services. December 7, 2015. A dye penetrant exam, soap and air test and spot x-ray on all duct seam welds was performed prior to shipping. Test connections with pipe caps in the inlet duct, HRSG casing and outlet stack. About the Author Dr. A lot of time and effort can be spent following engineering procedures to design the ducts and fittings for a ventilation system. 18mm) Swagelok™, Male - 0. HVAC Air Ducts Market Industry Outlook 2019- CMS Global, DuctSox, Lindab etc - HVAC Air Ducts Market presents the worldwide HVAC Air Ducts market size (value, production and consumption), splits the breakdown (data status 2014-2019 and forecast to 2025), by manufacturers, region, type and application. Line 6: Duct Area = 0. Tech’s disposed of all unused materials and clean area. The high-tack rubber adhesive offers a sure grip on a variety of surfaces. This photorealistic PSD templates is fully editable. In addition, the work focused. Round duct work suction pressure collapse, in ducts over 6 feet in diameter, is prevented with rings at supports, and roughly 3 diameter centers. System 3 or System 4 from Building Regulations Part F). Before duct design. Duct efficiency is affected by the following parameters: 1. Connector Plus Flexible Duct Connector is the premium Heavy Duty manufactured flexible duct connector, offering quality unmatched by others. However, the simplest test specimens are smooth and unnotched. 6 Tips for Good Ductwork Design. 500°F (260°C) gasses into duct for 4 hours; max. had been established in 2010 in 6th October City, industrial area, Giza, Egypt, to provide a very high quality on all kinds of HVAC duct fa. Residential ductwork design starts on the drawing board. DUCTWORK DESIGN MISTAKE #5: Lack of returns. Perform Heating and Cooling Estimate 3. Using this mockup you can have a realistic view of your design on duct tape. design and performance are addressed in the following chapters: 1) early design issues, 2) zone issues, 3) VAV box selection, 4) duct design, 5) supply air temperature reset, 5) fan type, size and control, 6) coils and filters, and 7) outdoor air, return air and exhaust air. CODE OF FEDERAL REGULATIONS 29 Parts 1911 to 1925 Revised as of July 1, 2000 Labor Containing a Codification of documents of general applicability and future effect As of July 1, 2000 With Ancillaries. Following some basic, uncomplicated design guidelines can go a long way to avoiding most trouble spots. Subscribe and Download now!. Detailed specifications follow. The Manual D is a complete schematic drawing of the duct system including locations and sizes of trunk-lines, branch ducts, outlet registers, an inlet grilles. Specific conditions in the unconditioned space, e. HVAC Systems Duct Design - Free download as Powerpoint Presentation (. requirements and is built in accord­ ance with NEMA. 000 Dimensions • Add some space between covers and boxes Min. This photorealistic PSD templates is fully editable. The following are ways to design for good airflow in a whole-building ventilation system: Use the largest possible duct diameter, preferably in smooth rigid duct rather than flex duct. Limit values for humidity and air quality, e. Determining the most efficient and effective design for heating and cooling ductwork is not an afterthought to the new construction process. This must be greater than 1. Choosing the right-sized duct is critical to maintain proper air flow in the system. It also eliminates the need for double wall ducts and reduces the amount of sheet metal since the effective area of the duct is increased. More complex geometries can be used to produce conditions resembling those in actual engineering components. In comparing duct performance, two elements should be equal in the related designs. Heating, Ventilating, & Air-Conditioning: Diagnostics & Controls to Improve Air-Handling System Performance Craig Wray, P. Duct Design in Low Load Homes Author: Brad Oberg, IBACOS Subject: This presentation was delivered at the Building America Residential Buildings Energy Efficiency Meeting on July 20-22, 2010. An Introduction to Acoustics S. requirements and is built in accord­ ance with NEMA. DES-0003-A1 Rev. Determine Number of Zones 2. Design criteria for room ventilation. Jan 2003 Start installation works 16. Find, download, and install iOS apps safely from the App Store Publisher's Description. Created Date: 7/28/2010 3:34:38 PM. This loss causes the unit to work even harder to attain the desired household temperature. ‎دكت ماستر Duct master‎. While gray is the standard color, brown, clear, yellow, and gold duct tape are also common. Ducts design software found at wrightsoft. Hundreds of templates, editable with a simple, versatile tool. Keep duct tape handy for making quick and lasting repairs when fixing broken, cracked, and torn items. Duct efficiency is affected by the following parameters: 1. Start a route by creating a connection point on a plane. Buy duct graphics, designs & templates from $8. the dynamic head lost in the duct. CSD RISE cable duct seals are specified throughout the electric and water utility networks to provide protection of ducts and duct openings against the dangers of water ingress and gas migration with up to 4 hour fire resistance to the spread of flame where cables penetrate fire rated boundaries and building openings – the watertight, gastight and fire resistant seals. Learning curve is simplified by utilizing the familiar tools & tabs already within RSU, and yet with lots of bells and whistles for rainy day exploration and further fine tuning of design presentation. In air conditioning systems the duct is considered a static component of the installation through which air flows within the building, connecting all parts of the system. Proper Duct Design and Building Energy Efficiency The educational sessions provide a platform for discussion on the advantages and disadvantages of duct solutions currently on the market. Ductwork taps shall be conical or clinch collar with 45 degree or boot connections. 11/04/2017 06:31:00 PM. Design of Ventilation Systems - Design procedure for ventilation systems - air flow rates, heat and cooling loads, air shifts according occupants, air supply principles Duct Sizing - Equal Friction Method - The equal friction method for sizing air ducts is easy and straightforward to use. The Emtelle group is the industry leader in plastic tubing for telecoms and water piping & the first high-volume producer in the world of blown fibre tubing. Most good designers throughout history have learned their profession by a combination of academic and practical work. txt) or view presentation slides online. com, cad-schroer. One important criteria for the design of transformer core, is that, it must not be saturated during the transformer’s normal operation mode. Design of a test specimen is not a trivial matter. Mar 12, 2020 - Hospital BuildingHeating Ventilation and Air Conditioning duct design layout plan that shows duct Galvanized steel, insulation panel, Fiberglass duct board, Waterproofing, and various other blocks details download CAD file for free. DiBerardinis, et al. Duct Design Process Steps 1- 4 Section 4 – Duct Design Process Steps 5. Johns Manville - Duct Liner PM is a flexible duct liner insulation made from strong, glass fibers bonded with a thermosetting resin. Unique snap-on cover housing design allows for quick installation, easy commissioning, and provides NEMA 4X / IP65 protection. High Performance HVAC Heating and Cooling. 6 Tips for Good Ductwork Design. Calculate Air System Pressure Losses 9. Craftzilla Colored Duct Tape - 6 Color Multi Pack - Variety Craft Set for Kids Girls and Boys - Colorful DIY Art Kit Design Tapes – Rainbow Colors (10 Yards x 2 inch) 4. This will typically be:! One exemplar piece of duct tape taken from the end of the roll of duct tapp;e;! One or more evidential pieces of duct tape to be matched against the exemplar. On the right of the window there is a text area that allows you to enter the ratio of the exit area (Ae) to the throat area (At). 18: Class 1 - Round Duct Friction Loss Chart: Class 2 Presentation - Coils: DX. Good Ducts Start With Good Design Design - yeah, right! What constitutes design is usually a mix of after-thought, what happens to be on the truck at the moment, and the need to get the job done quickly. The major ducts have numerous branches, each of which ends in a terminal duct lobular unit, where milk is produced during lactation (, 5). Waves Metal Steel Fabrication Pipping Storage Tanks Cement Plants ducts, Sulaimaniya, Ar Riyad, Saudi Arabia. Install the ductwork in accordance with a low-profile compact duct design. com, hvac-talk. Design Standard Electrical Manholes. The new design maximizes LRU accessibility, resulting in enhanced maintainability. up duct systems than you will ever be able to correct. 18: Class 1 - Round Duct Friction Loss Chart: Class 2 Presentation - Coils: DX. This image has been designed to display the internal structure of right lymphatic duct in the immune system. Ductwork may seem simple on the surface, but there is a lot of planning that goes into designing efficient and effective home ventilation systems. Whether you are a builder, a general contractor or an architect, Advenser can fulfill your project requirements with tailored and customized solutions ranging from design development to As-built BIM modeling. But how you can you get that for yourself? This tutorial shows you how to use craft knives and cutting mats to perfectly cut your duct tape. As a consequence, appropriate design of duct-venting configuration is still a matter of debate and it's not surprising that the available guidelines for the design of ducted vents for gas explosions as those proposed by Bartknecht (1981), also reported in NFPA 68 (2002), can lead to gross errors [Russo & Di Benedetto, 2006]. The high-tack rubber adhesive offers a sure grip on a variety of surfaces. 2 Variable Volume Dual Duct Systems 66 8. HVAC Air Ducts Market Industry Outlook 2019- CMS Global, DuctSox, Lindab etc - HVAC Air Ducts Market presents the worldwide HVAC Air Ducts market size (value, production and consumption), splits the breakdown (data status 2014-2019 and forecast to 2025), by manufacturers, region, type and application. Get 1 curl, duct, and sale fonts, logos, icons and graphic templates on GraphicRiver. It helps in fixing leaky items; connect headlights to bicycles and other various ways. We are ready to custom engineer your utility, co-generation, petrochemical or heavy industrial application with a complete range of bus duct products, systems and services. 3 Fan Terminal VAV Units 67. 2633) 103 Rule 62 — 300. The blower gives us a pressure rise. We have the best reputation in our field and can prove it. At US Duct, ductwork design is a key part of operation. Limit values for humidity and air quality, e. Hamilton Home Products, Inc. General and Local Exhaust Ventilation. Sintered moisture protection coating on all duct, immersion, surface, and cable sensors protects against condensation, mechanical stress, and vibrations. It helps in fixing leaky items; connect headlights to bicycles and other various ways. ASHRAE Table 5 - Shading Coefficients and U-Factors for Residential Windows. Lowest price and speed of installation should not be your primary concerns because duct performance impacts energy efficiency, operating costs, comfort and indoor air quality. K Samarakoon and S. 2 Variable Volume Dual Duct Systems 66 8. 349 = 4928 fpm Design Procedure Line 8: Duct Velocity Pressure = 1. Very sensitive to moisture and particulates in the air stream. There are also a number of compliance credits available related to duct system design. Ducts that are not well designed result in discomfort, high energy costs, bad air quality, and increased noise levels. While gray is the standard color, brown, clear, yellow, and gold duct tape are also common. When pulled out of the box, Raceway On-A-Roll® is in its flat design, can be cut to exact size, and snaps together into a standard duct shape. design and performance are addressed in the following chapters: 1) early design issues, 2) zone issues, 3) VAV box selection, 4) duct design, 5) supply air temperature reset, 5) fan type, size and control, 6) coils and filters, and 7) outdoor air, return air and exhaust air. In this medical image, we have used graphic of Thoracic duct and Left Lymphatic Duct. equipment criteria, duct sizes and shapes, amount of flow and the temperature of material in pipes and ducts, valve types and location, floor and wall penetrations, tank construction, equipment, piping insulation, and other facets of mechanical design as are required. Jobs range from retail, hospitals, schools, restaurant and hotels. “While the calculator resembles a wheel similar to those used during the days of slide rules, it incorporates three new fields for equivalent duct sizing,” Chris Van Rite, developer of the calculator, said. Optimum Design of Cross-Section of Transformer Core. A Free blank duct tape mockup you can use in your brands, products, banners, and vector files. Duct tape: the result of a mom trying to help her sons -- and everyone else's sons -- during World War II. High Velocity Duct Systems: High-velocity (HV) duct systems are characterized by air velocities in the range of 2500 to 3500 fpm. In comparing duct performance, two elements should be equal in the related designs. This loss can be easily corrected or compensated for by proper design of the inlet duct [3]. Dual duct and multi zone systems can provide both heating and cooling simultaneously. and design the most reliable system to meet IMO Tier III regulation. represent the largestcategory of eating andestablishment fires inSaving Lives and PropertyThrough Fire and Smoke Containment 2004 IFC. tech’s sealed and installed straps to new ductwork. One important criteria for the design of transformer core, is that, it must not be saturated during the transformer’s normal operation mode. Lowest price and speed of installation should not be your primary concerns because duct performance impacts energy efficiency, operating costs, comfort and indoor air quality. ASHRAE Technical Committee 5. It helps in fixing leaky items; connect headlights to bicycles and other various ways. Design Master HVAC is an integrated HVAC building design and drafting program for AutoCAD. ! The design should be blinded. pdf), Text File (. Cardboard Duct Tape / Logo Mock-up. 5 energy is due to elevation above a reference datum and is often negligible in HVAC duct design systems. 2633) 103 Rule 62 — 300. High Performance HVAC Heating and Cooling. There is a range of colored duct tape available. On the other hand, design changes to the air-handling system are needed to control unwanted noise. Download Duct Tape Mock-up Graphic Templates by Ayashi. The following features apply to all types. the dynamic head lost in the duct. Duct Design The purpose of air conditioning ductwork is to deliver air from the fan to the diffusers which distribute the air to the room. 18mm) Swagelok™, Male - 0. Duct Design Presentation by Dave Janquart This is a Power Point Presentation on the Buildings Inspectors Association website on duct design. 18mm) Tube 0 V ~ 5 V Module Cube from Honeywell Aerospace. 2 Robertson’s Design Curve Robertson evaluated the mean values of α for many sections as given in Table 1: Table1: α values Calculated by Robertson Column type α Values Beams & Columns about the major axis. Learning curve is simplified by utilizing the familiar tools & tabs already within RSU, and yet with lots of bells and whistles for rainy day exploration and further fine tuning of design presentation. Whether you are a builder, a general contractor or an architect, Advenser can fulfill your project requirements with tailored and customized solutions ranging from design development to As-built BIM modeling. Low-velocity design will lead to larger duct sizes, but it may be worth since, doubling of duct diameter. Get 1 curl, duct, and sale fonts, logos, icons and graphic templates on GraphicRiver. Number one is the heating and cooling load calculation using a protocol like ACCA's Manual J or the ASHRAE Handbook of Fundamentals. Washington, DC. Vitellointestinal duct as abscess is rare presentation as shown in study conducted by Ali et al as well as discharging umbilical sinus but they should be considered as a differential diagnosis of discharging umbilicus as management of abscess and patent duct are different. A company’s success is made with duct tape, dry erase boards, and an inquisitive philosophy. The seamless interface of their supports with our traditional structural steel roof beams works perfectly. PPT2-0010DWG2VE – Pressure Sensor 10PSI (68. A major consideration of duct design is to minimize duct pressure losses, turbulence, as poor duct geometry, increases turbulence, and increases plant electrical usage. Connector Plus Flexible Duct Connector is the premium Heavy Duty manufactured flexible duct connector, offering quality unmatched by others. K Samarakoon and S. The 3rd dimension takes the guesswork out of interstitial duct runs, navigating dropped ceiling areas, dropped girders, etc. DuctDesigner 3D® from QuickPen provides 3D CAD software for sheetmetal contractors who want to increase profitability by providing an interoperable solution that eliminates waste and improves the design-to-field process. 1 Study Design. txt) or view presentation slides online. What works in agile software development methodology also applies in introducing new business practices. Determine Number of Zones 2. Choosing the right-sized duct is critical to maintain proper air flow in the system. The thoracic duct was visualized and enhanced by contrast in all dogs after injection of 0. 40 30 70 Negative Plenum Hard duct only 1, 2 & 3 II Type B2 US:0. Tech’s disposed of all unused materials and clean area. To begin press the 'Design Nozzle' button, which should bring up a window like that shown in the figure. The blower gives us a pressure rise. These systems can be further classified as: • Single duct, constant volume, single zone system;. The new design maximizes LRU accessibility, resulting in enhanced maintainability. Proper Duct Design and Building Energy Efficiency The educational sessions provide a platform for discussion on the advantages and disadvantages of duct solutions currently on the market. Any fabric-backed tape will deteriorate over time. per 100 ft. With a staff of more than 90 professionals fabricating and installing over 500 tons of metal each year, Kaempf & Harris handles commercial, industrial and institutional projects of any size, including design/build, plan and spec, and projects requiring custom design solutions. This must be greater than 1. View ELEC 3105 Building Services - Air Conditioning - Part 2_4d-5. More Information Less Information Close Enter the password to open this PDF file:. txt) or view presentation slides online. Law is the operating system of our society. Presentation Past history Values Aquair group News ATC in the world Downloads Textile ducts Introduction Applications of textile ducts Diffusion Types Support systems Maintenance of ducts Shapes and colors Know-how Duct system design Making Fitting and commissioning Maintenance Airneo range Airnéo Référence Airnéo Gold. HVAC HTML Website Templates Features. They utilize a narrower section of 24G to 28G G-90 galvanized steel for easy bending, is available in a variety of special fabrics and excels in isolating vibrations produced by air handling units, fans, blowers and other residential HVAC equipment. To design a heating and cooling system that works for each home generally requires three major steps: Calculate the heating and cooling loads. They are a standard design. DES-0003-A1 Rev. Features include 2D and 3D ductwork drafting, ductwork sizing, pressure drop calculations, and building load calculations. Download Free AutoCAD Blocks for HVAC Design. Right lymphatic duct empties at junction of right internal jugular and right subclavian vein. The longer the duct, the more powerful blower it will require. The loop is fed by four or more ducts radiating out from the central plenum. The design conditions were 5 psig at 300°F. design and performance are addressed in the following chapters: 1) early design issues, 2) zone issues, 3) VAV box selection, 4) duct design, 5) supply air temperature reset, 5) fan type, size and control, 6) coils and filters, and 7) outdoor air, return air and exhaust air. Select Fan and Adjust System Pressures 1. Pine Mountain Builders. Main presenting symptom was epigastric or right hypochondrial pain (39. EFD and CFD Design and Analysis of a Propeller in Decelerating Duct Article (PDF Available) in International Journal of Rotating Machinery 2012(2):1-15 · December 2012 with 630 Reads. These play an important role in keeping the whole HVAC system fit and achieving comfortable conditions throughout its life span. • HVAC Design By Manual And Hourly Analysis Program (HAP) • DUCT Design And Piping Design My Internship, I Focused On The HVAC System In The Project, At The End Of The Internship I Did presentation About Screw Chiller, It Was Great Experience. As an equation, this is written:. Install the ductwork in accordance with a low-profile compact duct design. Hirschberg Eindhoven University of Technology 7 July 2020 This is an extended and revised edition of IWDE 92-06. If the duct is relatively small and the change is only in the height of the duct, such as a 12- x 12-inch duct changing to a 12- x 6-inch duct (Figure 1), the transition is often made in two pieces. Mechanical ventilation noise is a common cause of complaints in new-build residential developments where continuously running MVHR and MEV systems are used (i. Duct Design Submitted in partial fulfillment of requiredment for the award of the degree of BACHELOR OF TECHNOLOGY IN MECHANICAL ENGINNEERING Submitted by MD ZEESHAN 13X01A0366 SANDEEP SINGH 13X01A0392 ZAFARYAB HAIDER 13X01A03C2 MD RIZWAN 13X01A0367. • Complies with the IMC’s common vented multi-story clothes dryer section relevant to duct construction and design. 3 Pressure Balancing. Most new urban developments are ventilated using these systems. Provide balancing dampers at supply, return, and general exhaust branches when connected to larger ducts, as required, for air balancing. K Samarakoon and S. 18mm) Swagelok™, Male - 0. The loop is fed by four or more ducts radiating out from the central plenum. An important feature of this method is that all the simulations are performed using STAR-CCM+ and that no third party software is required. Introducing Design School – our jam packed platform with its own mini search engine! Design School was made to help you learn all there is to know about fonts, graphics, templates, designs, file types, different software programs, Frequently Asked Questions and much much more. Female to male ratio was 34/22. The boot. requirements and is built in accord­ ance with NEMA. Introduction Needs to be considered. 18: Class 1 - Round Duct Friction Loss Chart: Class 2 Presentation - Coils: DX. Date: 1/14/2009 HRSG Terminal Points Ductwork Outlet flange of the GT outlet expansion joint. Design Friction Rate • When sizing a duct system the designer will usually choose a design friction rate. 1 Study Design. and many more programs are available for instant and free download. Find, download, and install iOS apps safely from the App Store Publisher's Description. up duct systems than you will ever be able to correct. Dual-Duct VAV Systems (average or high pressure) The circuit of the cold air ducts is calculated for 100% of the necessary flow. Provide balancing dampers at supply, return, and general exhaust branches when connected to larger ducts, as required, for air balancing. 003 200 00 1 50 100 150 Fig. Subscribe to Envato Elements for unlimited Graphic Templates downloads for a single monthly fee. Date: 1/14/2009 HRSG Terminal Points Ductwork Outlet flange of the GT outlet expansion joint. If the duct is relatively small and the change is only in the height of the duct, such as a 12- x 12-inch duct changing to a 12- x 6-inch duct (Figure 1), the transition is often made in two pieces. DUCT DESIGN. Results: Mean age of the sample was 43. Design of Dust Extraction System - authorSTREAM Presentation. Duct Fanned Shielding Design for Quadrotors Abstract The master thesis work involved the design implementation of a duct fanned shielding for Quadrotors. (Note: A good long video explaining the system can be seen via this Treehugger article) Judging from my decades of life experience there is an iron-clad rule about every room in every house ever built: The electric outlets are in the wrong place. The HVAC regulates: Room Temperature, Humidity, Air Quality and Air Flow. • Supply & exhaust systems between 500 and 28,000 design-cfm • In buildings ranging from 27,000 to 900,000 SF • Leakage fractions between 0% and 29% of measured flow rates • Average 8% duct leakage (median 5%) • Systems with prior sealing had duct leakage less than 2% • Duct leakage was 50% to 66% less than anticipated. Ducts are used to distribute conditioned air throughout the house. My Solidworks services range from machine design, enclosures, weldment. 15” WG Line 9-16 = N/A (since there are no slots) Line 17. 03 – BSL3 Design Guidelines Introduction and Basis of Design: The following BSL-3 Design Guidelines are intended to assist the Washington University School of. A duct run is often kept flat on the top to keep it against the overhead. The Manual D is a complete schematic drawing of the duct system including locations and sizes of trunk-lines, branch ducts, outlet registers, an inlet grilles. It is intended to provide a brea. Pulte Homes. Why Dryer Ducts Need to Be Cleaned. TrioFour introduces us to the fantastically generic duct tape font 'Shuetsu-tai' by Shuetsu Sato. up duct systems than you will ever be able to correct. Lowest price and speed of installation should not be your primary concerns because duct performance impacts energy efficiency, operating costs, comfort and indoor air quality. This page contains HVAC System Seminar and PPT with pdf report. I am a Mechanical engineer with over 9 years of experience in the construction industry with extensive knowledge of ASHRAE, NFPA and BC Building code (BCBC); I have had the opportunity work with various types of heating and cooling equipment, fire protection as well as with operational management, and building design techniques. Design Bulletin 14-06) January and May 2015: Updated on the Revised Policy were posted (Structures Design Bulletin 15-01 & 15-03) Since May 2015 Structure Design Office continue updating Structure Design Guidelines related Post-tensioned and segmental bridges The Policy for PT Bridges was effectively implemented since January 1, 2016. design and performance are addressed in the following chapters: 1) early design issues, 2) zone issues, 3) VAV box selection, 4) duct design, 5) supply air temperature reset, 5) fan type, size and control, 6) coils and filters, and 7) outdoor air, return air and exhaust air. As… Continue Reading. If the total bending exceeds 90 degrees, one bend shall be a metal elbow.