Smacna Duct Support Details

The Duct Size Calculator is a quick reference tool for approximating duct sizes and equivalent sizes of sheet metal duct vs. Available for PC, iOS and Android. See lifecycle, support coverage, and alert information for devices in your network. SMACNA - HVAC Air Duct Leakage Test Manual. I will used mequay software for designing ducts system. Show details Hide details. Support vertical ducts at a maximum interval of 10 feet and at each floor. SMACNA's "HVAC Duct Construction Standards Metal and Flexible,- " Figure2-1, "Rectangular Duct/Traverse Joints," for static-pressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible. This app allows the user to create table driven solutions using the methods and formulas covered in SMACNA’s Rectangular Industrial Duct Construction Standards Manual. 25 * Duct Width, 4″ Minimum), but allows you to override both the length and the angle if desired, so this is really all that you need. 04” of Flamebar BW11. Chapter 6 Duct Systems Mechanical Code 2015 of Utah. AHU installation details. Access Door Installation (See Figure 3) Four galvanized steel threaded rods, 1/4 in. 1/2" gap front of fume hood 2" air gap ceiling exhaust duct. Loan Details and Forgiveness. 4 GENERAL GUIDELINES; 5. Description: Flexible air duct with CPE or metal film liner permanently bonded to coated spring steel wire helix with 1-inch-thick fiberglass insulation blanket covered with fiberglass reinforced metal film vapor barrier jacket. Space pins maximum 12 inches apart in rows across the width of ventilation duct (Item 1). More details are included to insure designers recognize the importance of this “unseen” architectural element in the overall building envelope. Round ductwork sizes are expanded to include up to 96 inches diameter. com has everything you need to know to keep tech support people happy: which computer you are using (PC or Mac), which operating system (Windows. Product details. View Mirza Imtiaz Baig’s profile on LinkedIn, the world's largest professional community. 0 All ductwork and accessories must be supported from the structure only using trapeze, strap or angle iron hangers conforming to SMACNA HVAC Duct Construction Standards - Metal and Flexible. DuraDuct 2HR : 2 Hour E119/S101 Fire Rated Duct and Enclosure. Sheet Metal and Air Conditioning Contractors National Association (SMACNA) Metropolitan Detroit Chapter is a local member of its national association located in Washington, D. elf2image for ESP8266. Duct systems should not be pressurized without suf-ficient time for curing of sealant systems. SMACNA – Round Industrial Duct Construction Standards. The HVAC duct construction app provides several options for constructing rectangular in accordance with SMACNA standards, while the round industrial duct construction app simplifies complex tables for industrial duct fabrication. Instructables is a community for people who like to make things. Downloads: 0 The SMACNA Event app will keep you up to date. Supports for Stainless-Steel Ducts: Stainless-steel support materials. Smacna Hangers And Supports October 2019 183. They are also crimped on one end to easily fit into a pipe or duct fitting of the same diameter. More details. Use prescribed duct support spacing as described in this specification and manufacturer’s recommendations. Ductmate smacna standards Ductmate smacna standards. org This is a preview of "SMACNA 1966-2005". Systems Duct Design manual, there are many other SMACNA publications available that relate to the design and installation of HVAC sys- HVAC Systems Duct Design • Fourth Edition Related SMACNA Publications: xvi HVAC Systems Duct Design • Fourth Edition. rivet or air bolt to underside of duct flow 0 e. Flange thickness: 0. This is a joint meeting with SMCA. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. Fabric air duct systems from KE Fibertec are hygienic and can easily be taken down for washing, and fabric air duct systems meet the highest requirements on sustainability. • Duct designing by adopting guide lines from NADCA, SMACNA. com Everything your tech support team need to know! Get occasional updates from us (See our privacy policy). TransMac Details Open Mac APFS and HFS format disk drives and dmg files from Windows. Also covers details for connections to equipment and air terminals, hanger schedules, reinforcement requirements, fabrication of rectangular duct and fittings, closures of seams and joints, channel and tie rod reinforcements, plus hangers and supports. 11 Furnace connections. Loan Details and Forgiveness. The third edition of the HVAC Duct Construction Standards Metal and Flexible is intended primarily for commercial and institutional duct construction. Free PDF ebooks (user's guide, manuals, sheets) about Smacna detail for duct support ready for download Cal Smacna Hanger Detail. Steel Channel Support and Threaded Rods. Typical vertical supports per local building code must be used. Duct sound liner that is directly exposed to the air stream shall not to be used, except in. EPDM O-ring to seal in concave bead in coupling or fitting spigot. (The following is taken from HVAC Duct Construction Standards, Metal and Flexible, published by the Sheet Metal and Air Conditioning Contractors' National Association. • 4 Piece Duct • Please refer to the following charts for specific materials, gauges, and end treatments. Volume damper construction is now more specific. transverse bracing shall be installed at each duct turn and at each end of a duct. Aug 29, 2020 hvac duct construction standards metal and flexible 3rd edition Posted By James MichenerMedia TEXT ID 16334e53 Online PDF Ebook Epub Library Smacna Hvac Duct Construction Standards Metal Flexible. They also contain many details that are obligatory. Integrated 8052 Microcontroller With. Duct enclosures shall be sealed around the duct at the point of penetration and vented to the exterior through a weather-protected opening. This on-line collection can be terrific means for you to locate your book with your appetite. Pipe & Duct Support Inserts Used as a load-bearing member and minimizes energy dissipation. EPDM O-ring to seal in concave bead in coupling or fitting spigot. PVC Pipe & Fittings; Copper Tube & Fittings; Pipe Supports & Hanging Systems; Soldering & Brazing Supplies; Pipe & Tube Insulation ; Metal Products. 2" air gap ceiling exhaust duct. Product details. 10) Proposed inches. Book by Sheet Metal and Air Conditioning Contractors National Association, 2012. The supports need to be at the manufacturer's recommended spacing, but no longer than 4' maximum. Gaffer tape, duct tape, packing tape, painters tape, masking tape, gorilla tape, shock absorbing tape "Diskroll knew just about all there was to know about the taping business. Air duct routing & support mistakes to avoid: This HVAC duct design and repair article describes proper (and improper) Heating & Air Conditioning Duct Routing & Support such as duct routing and support details to prevent or fix loose, sagging, crimped, bent or otherwise defective heating or. Looking for GREENSEAM Galvanized Steel Reducer, 5 in x 4 in Duct Fitting Diameter, 6 in Duct Fitting Length (6RFZ2)? Grainger's got your back. • Standard Practice in Sheet Metal Work. We do business in Nebraska, Kansas, Missouri, and Iowa. I don't want to depend on the junction at the top to support the weight of the duct. QTY: Add to Cart SMACNA -- HVAC Air Duct Leakage Test Manual, 2nd Edition. Cradle– Steel angle, 75 mm by 75 mm by 6. ASHRAE Standards: Comply with ASHRAE Fundamentals Handbook and ASHRAE Systems and Equipment for design and fabrication of ductwork. Figure 2: Support Using Unistrut and Rods (Shown: Model 3001Q - Single Duct Figure 3: Support Using Optional Supplied Hanger Brackets (Shown: Model D30RWQ - Single Duct VAV Quiet Terminal Unit with Standard Dissipative. ROOF DUCTING. : detail title /duct riser supports december 2008 sd233100-15. See the Mestek Machinery Catalog for further details. ACS QuickView v2. Lead radiation shielding is added in the appendix courtesy of the Lead Industries Association. 1 duct leakageclassifications; chapter 6 test apparatus ; 6. The versatile FDS1 design uses either 36 or 48 inch nylon cable/zip ties to accommodate 4 inch to 16 inch diameters of flexible fiberglass wool duct as well as un-insulated flexible duct. 4-5 of SMACNA HVAC Duct Construction Standards - metal and flexible for calculation method. Use these support tools and utilities to help you find compatibility, identification, diagnostic and monitoring information. A number of support systems are outlined in the “Knauf KoolDuct System Design Guide. Manual Q gives you time-saving quick fitting loss tables and a complete set of fitting loss tables compiled from the ASHRAE and SMACNA handbooks. re: riser ducting support concept!!! EnergyProfessional (Mechanical) 5 Apr 14 17:32 I think SMACNA guidelines that detail duct manufacturing and installation would cover at least some detail. QTY: Add to Cart SMACNA -- HVAC Air Duct Leakage Test Manual, 2nd Edition. This app will provide SMACNA compliant options for rectangular duct with dimensions from 1 inch to 120 inches for applications from negative to positive ten inch water gage. 1987 3rd edition, 2006, 162 pages: Contains guidelines for inspection of commercial HVAC duct systems for compliance with SMACNA/ANSI HVAC Duct Construction Standards, Metal and Flexible, (3rd edition) and Fibrous Glass Duct Construction Standard (7th edition). Click Help on the VAMT 2. The only calculator in the industry to include the 0. No, support spacing is usually determined by the structural engineers, as well as the thickness of the duct wall. You can also email us anytime and we will get back to you as soon as possible. Details Notice. Long duct runs with sharp bends may require additional supports before and after the bends. The surface area basis highlights the effect of system size and is now one of the primary factors of SMACNA duct leakage classifications. Smacna Labor Rates. This allows for a 1” telescoping lap joint. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. The 2004 edition of the Rectangular Industrial Duct Construction Standards offers a new approach to the selection of material thickness and reinforcing systems for rectangular industrial duct subject to positive or negative pressures up to and over 100" w. Looking for DUCTMATE Sandwich Style Insulated Round Duct, Rectangular, 12 1/2 in Door Width, 8 9/16 in Door Height (29VJ72)? Grainger's got your back. Important details such as end dams are clearly noted. 4101:2-6-01 Duct systems. But it is unlikely that is what the inspector is dinging you on. DuraDuct 2HR : 2 Hour E119/S101 Fire Rated Duct and Enclosure. Industrial Plant Machinery Sales Inventory Listing. Gaffer tape, duct tape, packing tape, painters tape, masking tape, gorilla tape, shock absorbing tape "Diskroll knew just about all there was to know about the taping business. shrink sleeve to be raychem thermofit wraparound duct band. pdf Pipe hangers supports ducts are generally applicable to flat oval duct. and the amount of sag allowed between support joints will have serious effects on system performance due to the increased resistance each intro - GUIDELINES FOR INSTALLING FLEXIBLE DUCT I N S T A L L A T I O N I N S T R U C T I O N S N o n m e t a l l i c A i r D u c t s & A i r C o n n e c t o r s w i t h P l a i n E n d s U L 1 8 1 L i s. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. This American National Standard (ANSI/SMACNA 006-2006) contains tables and details for constructing ductwork for ½" to 10" wg positive and The third edition of the HVAC Duct Construction Standards • Metal and Flexible is intended primarily for commercial and institutional duct construction. Support ductwork in manner complying with SMACNA "HVAC Duct Construction Standards," latest edition, hangers and supports sections. SMACNA Duct System Calculator Builder S Book Inc Bookstore. txt file, which will be created in the folder with the TDSSKiller tool, use the command. 5 pcf density rigid fiber glass material. TINLEY PARK, IL 60487 P: 800. If someone has it please post it here. To calculate the duct pressure loss, please refer to the ventilation quality of each manufacturer. org/standards/standards-n-z/smacna-standards. ) cross sectional area or round duct-work less than 28 (700 mm) diameter. Pay particular attention to any joints or connections in the ductwork, and mark any air leaks you find. Engineering - choose capture velocities, duct velocities, specify equipment, size ducting, layout ducting and supports (all per UMC, UBC, UFC and SMACNA). 6 GASKETS, CAULKING, AND JOINT SEALANTS; Table 9-1 Support Capacity of Horizontal Channel; Table 9-2 Support Capacity of Horizontal Angle. 5 Duct Insulation ADS System under a fire load. This American National Standard (ANSI/SMACNA 022-2015) contains instruction, tables and details intended to provide basic phenolic duct fabrication and installation standards to the industry. New in this edition is an engineering and design chapter to provide additional information to design professionals, double-wall construction details, new casing construction details and additional accessory items. The ductwork shall be constructed of sheet steel having a minimum thickness of 0. Ductmate smacna standards Ductmate smacna standards. Smacna Duct Support Details - jyir. Flexible duct — Since there are several types of flexible duct, it is best to follow the manufacturer’s instructions on recommended maximum length of duct sections, connections, locations, and support systems. More details are included to insure designers recognize the importance of this “unseen” architectural element in the overall building envelope. See the complete profile on LinkedIn and discover Mirza Imtiaz’s connections and jobs at similar companies. Chapter 4101:2-6 Duct systems. The ductwork shall be constructed of sheet steel having a minimum thickness of 0. US Duct Leakage Testing Ri tRequirements - (SMACNA) Duct Class ½-, 1-, 2-inwg 3-inwg 4-, 6-, 10-inwg Seal Class CB A Sli T Transverse Joints, Seams Sealing Applicable ransverse Joints Only asvese Joints and Seams Jo s, Sea s and All Wall Penetrations Leakage Class (C L) – CFM Leakage per 100 ft2 @ 1 in H 2 O Rectangular Metal 24 12 6 Round. Many sheet metal installations are not well insulated and do not incur snow loads because of escaping heat. The BCT15X comes equipped with Uniden exclusive features like Advanced Dynamic Memory System, Close Call® RF Capture Technology, and GPS compatibility. FIGURE 5-1 BASIC FIRE DAMPER INSTALLATIONS E. The types of fittings to be used based on the designer's calculations of fitting losses (i. Added information for lined round duct. Comifo knows flange structure very well, and quite familiar with the standards of duct pressure test and leakage test, including SMACNA, DW144/142. • Supply & Return Duct configuration, Assigning Velocity of Air (FPM) to each Section of Supply and Return Duct Low Velocity system, Medium Velocity. 3 mm, used to support wrapped duct at 1500 mm OC maximum. Product details. Horizontal ducts must have a support within 600mm of each elbow and within 1. Duct hanger details. Pay particular attention to any joints or connections in the ductwork, and mark any air leaks you find. Boiler breeching was omitted because mechanical codes and other specifications too often override the SMACNA details. ANSI, the American National Standards Institute, has accredited SMACNA as a standards-setting organization. Installation of the supply trunk and main return duct are done using straight duct modules fabricated from flat sections. There are two test types as follows: 5 Typical test arrangement for horizontal ducts to BS 476:Pt24 (1987) Duct A Fire Outside Demonstrates the ability of the duct to withstand a fire. Duct systems should not be pressurized without suf-ficient time for curing of sealant systems. Smacna Labor Rates. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. It reviews materials and reinforcement of duct systems, as well as assembly and supports of ducts. without installing any driver software. Expect the sections of Techna-duc® to come in sections four to eight feet long. Support systems for horizontal grease ducts 609 mm (24 in. Rectangular and round duct fitting components available. Shipping $3. With the health and safety of all in mind, International Trauma Life Support staff will be working remotely starting Monday, March 16. Supports de transmission. Access to all content on ASC for your Aruba products will be discontinued in November 2020. 04” of Flamebar BW11. The event also featured another speaker — Jonny Imerman, founder of cancer support group Imerman Angels. duct work to be sealed per smacna hvac table 1-2 5. without installing any driver software. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. (SMACNA) Fibrous Glass Duct Construction Standards or NAIMA Fibrous Glass Duct Construction Standards and include predictable cross sections and transitions, as well as traditional take-offs and pressure regain regions. DuraDuct LXD : Laboratory Exhaust Duct. Long duct runs with sharp bends may require additional supports before and after the bends. DUCT CONSTRUCTION Ductwork and supports shall conform to the HVAC Duct Construction Standards, Metal and Flexible, Third Edition, 2005. Published By: Sheet Metal and Air Conditioning Contractors National Association (SMACNA). The versatile FDS1 design uses either 36 or 48 inch nylon cable/zip ties to accommodate 4 inch to 16 inch diameters of flexible fiberglass wool duct as well as un-insulated flexible duct. The shorter the duct runs are, the lower the resistance to air flow and the lower the heat gains and heat losses will be. We have an un-planned maintenance on our support phone lines and working towards restoring the services. G Standards: SMACNA / ASTM Special Features: Pre-Sealed For Use With: Greenseam Duct system. 6mm (16G) Thickness of Spiral ducts as per SMACNA. SMACNA Rectangular Industrial Duct Construction Standards. all duct stiffened by machine formed beads spaced at 12” o. a detail demonstrating proper flex duct support. Upload your own CAD models to make money or help the community with their CAD designs. , the Sheet Metal and Air Conditioning Contractors' National Association (SMACNA), an international association of union contractors, has 1,834 members in 103 chapters throughout the United States, Canada, Australia and Brazil. As this smacna hvac duct construction standards metal flexible 2005 3rd edition, it ends going on living thing one of the favored books smacna hvac duct construction standards metal flexible 2005 3rd edition collections that we have. VMware Tanzu Kubernetes Grid Integrated Edition. WHO SHOULD ATTEND. OS: Windows OS. Tapo support provides many usage scenarios which should be helpful when you have problems with setup and daily usage. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. 110 V option is also available - please call for price and availability. ) A duct system is an assembly whose primary function is to convey air between specified points. National Contractors Association (SMACNA) IAQ Guidelines ANSI/SMACNA 008-2008 (Chapter 3). all duct stiffened by machine formed beads spaced at 12” o. Features (Duct includes 2 halves) Safety edge - protects installer from cuts Easy to adjust a. 11 Furnace connections. Overlap opening on four sides by at least 1-½”. Insulated supports can be designed for vertical, axial and/or lateral loading combinations in both low and high temperature applications. 1987 3rd edition, 2006, 162 pages: Contains guidelines for inspection of commercial HVAC duct systems for compliance with SMACNA/ANSI HVAC Duct Construction Standards, Metal and Flexible, (3rd edition) and Fibrous Glass Duct Construction Standard (7th edition). 142) to obtain the diameter of the duct. Provide supports and fastenings in accordance with SMACNA 1985 Duct Construction Standards. Information Required for Duct Construction 1. Exceeds SMACNA Standards Eliminates Need for UL 181 Approved Tape or Mastics Provides Cost Ef. SIDE DIMENSION (inches) SUPPORT. 2 SINGLE-WALL ROUND DUCTS AND FITTINGS A. Muslims enslaved in smacna duct support details pdf 1169 hvac duct design home study course 1st ed 1992 minimum size for rectangular duct hangers smacna table If you are searching for the book Smacna hvac duct hanger manual in pdf format, Vertical duct support spacing smacna Smacna duct hanger details pdf. recommended by smacna splitter damper transition at 1:4 slope mai n slope not to slope not to round duct exceed 1" in 4"-\ exceed 1" in 4" galvanized iron strap or aluminum strap, turn under duct minimum 1". Weld each bar to sleeve and each crossing bar. new duct (inside dimensions: width x depth) existing duct to remain louver (louver specified in architectural fire damper fd vd duct with sound lining flexible ductwork (insulated) manual volume damper existing duct to be removed vibration, or seismic scale : date issued: cad detail no. 4 procedure for rating duct construction methods relative to the smacna. load will be calculated by using HAP software developed by More $90 USD in 3 days. Support center distances are reduced for straight sections fabricated with mul- tiple short segments. If you make a change, any affected callouts, calculations, and duct sizes are updated. SMACNA’S DUCT STANDARDS • Accepted Industry Practice for Industrial Duct Construction. If you do not find an "off-the-shelf" support for your particular application, contact Unistrut with your requirements. long (114 mm to 127 mm) are welded to the duct at the corners of the door opening. 142) to obtain the diameter of the duct. • Listing of rated stiffeners, fl anges, fasteners, hanger and support elements, and the methods for selecting them for specifi c structural loads. Air Duct Cleaning, Fertilizer Broadcasting, Flight Simulators, Food Grade, Furnace Duct Cleaning, Meat Packing ADC Very light weight clear PVC hose reinforced with a spring steel wire helix. duct support detail duct schedule type hanger duct dimensions inches up to 18 a 19 to 30 a/b 30 to 60 b note: 8'-0" max hanger spacing type 'a' type 'b' secure to structure above as recommended by smacna 1" 22 ga galv. Description: Flexible air duct with CPE or metal film liner permanently bonded to coated spring steel wire helix with 1-inch-thick fiberglass insulation blanket covered with fiberglass reinforced metal film vapor barrier jacket. The third edition of the HVAC Duct Construction Standards – Metal and Flexible is intended primarily for commercial and institutional duct construction. april 22nd, 2018 - roof specification download as word modify duct support legs to allow for install fabricated sheet metal items in accordance with smacna sheet metal manual''Product Detail SMACNA April 20th, 2018 - Also covered are details for connections to equipment and air terminals plus hangers and supports Fibrous Glass Duct Construction. Fabricate and support as in accordance with SMACNA High Pressure Duct Construction Standards and ASHRAE handbooks, except as indicated. Also covered are details for connections to equipment and air terminals, hanger schedules, reinforcement requirements, fabrication of rectangular duct and fittings, closures of seams and joints, channel and tie rod reinforcements, plus hangers and supports. Boosting the quality and performance of your ductwork systems, SAFID provides a selection of duct accessories such as: support bands, access doors, flexible connectors, flanges, tapes and sealants. Seal or Sealing: Use of liquid or mastic sealant, with or without compatible tape overlay, or gasketing of flanged joints, to keep air leakage at duct joints, seams and connections to an acceptable minimum. Unless specified or allowed, rectangular ductwork shall be constructed in accordance with the Table for Rectangular Duct Construction, as per 2005*-SMACNA, and with details associated with them. Nrca Smacna Architectural Sheet Metal This seventh edition of the Architectural Sheet Metal Manual includes new chapters and details on penetrations, additional and revised tables in support of commentary and illustrations, additional commentary and illustrations in support of newer construction techniques, and expanded appendix covering issues. Related Documents. An example of the guidelines provided by the SMACNA PDCS stipulates that duct length segments are permitted to 154 ¾ in. Pay with IndiaMART. For uninsulated duct designed for under two inches wg: Fabricate single panel door of same gage as duct, with all edges folded, size door to overlap opening perimeter by one inch. Provide a detail indicating this requirement. 75" Support Strap: Material: 100% polypropylene woven monofilament colored with carbon black or silver: Width: 1-3/4" +- 1/16" Tensile Strength: 450 lbs: Melting Point: 330 F: UL 723 Burn Test: Passed by Underwriters Laboratories: Packaging: 300 foot rolls. Downloads: 0 The SMACNA Event app will keep you up to date. smacna hvac system duct design Golden Education World Book Document ID b301ea2b Golden Education World Book Smacna Hvac System Duct Design Description Of : Smacna Hvac System Duct Design Apr 08, 2020 - By John Grisham ~~ Last Version Smacna Hvac System Duct Design ~~ the fourth. Outlines UL 181A approved closure systems, recommended methods of reinforcement, support, and damage repair. This app will provide SMACNA compliant options for rectangular duct with dimensions from 1 inch to 120 inches for applications from negative to positive ten inch water gage. SMACNA’s new app for its flagship manual HVAC Duct Construction Standards—Metal & Flexible greatly simplifies finding construction options for rectangular duct with dimensions up to 120 inches for applications from negative to positive 10-inch water gage. The duct will be 18 gage {The joints will be TDC/TDF {The joint length is 56 inches {The 140 inch side will be supported by 1” EMT conduit spaced 46 5/8” across the width and will be at each side of the joint and backing up the mid-panel reinforcement. Organizations that set safety standards for manufactured ductwork include? Organizations that provide duct installation standards and guidelines include? ACCA and SMACNA. Download smacna duct support details for FREE. The 2004 edition of the Rectangular Industrial Duct Construction Standards offers a new approach to the selection of material thickness and reinforcing systems for rectangular industrial duct subject to positive or negative pressures up to and over 100" w. The scenarios for the app are limited to joint lengths of 4, 5, and 6 feet. HVAC (Heating, Ventilation & Air-Conditioning) Designing & Draughting A. You were also asking about duct tape. 1 Duct Air Leakage Testing. A duct centerline isn’t just a line anymore; elevations, sizing criteria, double line settings, fittings, and connections to diffusers are tracked and accounted for. WHO SHOULD ATTEND. Wireless interface must have support for hardware compression. The tables below contain downloadable standard design detail drawings for typical Unistrut applications–medical supports, rooftop walkways, and ceiling grid systems. If your HVAC ductwork's insulation has seen better days, replace it to improve energy efficiency and reduce your utility bills. VNC Screen to screen, screen to computer, screen to mobile phone terminal interoperability. Support the duct between a metal connection and bend by allowing the duct to extend straight for at least one duct diameter before making the bend. Get more details on this report - Request Free Sample PDF. No, support spacing is usually determined by the structural engineers, as well as the thickness of the duct wall. Loan Details and Forgiveness. The air stream in the duct flows only over a sealed aluminum surface: Ideally suited for high specification applications, resistant to mold and KoolDuct's efficient jointing system and sealed duct seams: Virtually airtight and leak-free, SMACNA Class 3 rating, 79% less air leakage than sheet metal. Support horizontal duct runs with 1-1/2-inch-minimum-width hanger/saddle material. Patented Neutrodine Unisorb® filters allow these hoods to be used with a wide variety of chemicals, making them far more versatile than other ductless hoods, and far more energy efficient than ducted ones. Therefore you are entitled to all of the benefits provided by the SMACNA Technical Department. As per SMACNA the gauges of ducting sheet varies and depends upon the width of the duct and type of application of a particular project. A flexible air duct. Duct Layout Software. - Round Duct Size - Rectangular Duct Size. Personal monitor mixing. Support / Product Detail. below is the connection of one end of the Dura-Flex ductwork to what appears to be an end of the air handler or of a duct trunk line. Book by Sheet Metal and Air Conditioning Contractors National Association, 2012. 25" from either end by inserting the tabs on each end of the duct support into the appropriate triangular shaped slots. in length from the top of the pipe to the bottom of the support. RowlingMedia Publishing TEXT ID 16334e53 Online PDF Ebook Epub Library HVAC DUCT CONSTRUCTION STANDARDS METAL AND FLEXIBLE 3RD EDITION. No, support spacing is usually determined by the structural engineers, as well as the thickness of the duct wall. Insulated supports can be designed for vertical, axial and/or lateral loading combinations in both low and high temperature applications. The updated 88-page manual provides the performance characteristics for fibrous glass board as determined by the North American Insulation Manufacturers’ Association (NAIMA) and Underwriters Laboratories (UL) as well as. Duct enclosures shall be separated from the duct by at least six inches. SMACNA’s Phenolic Duct Construction Standard. Industrial Plant Machinery Sales Inventory Listing. Follow sealant manufacturers recommendations for applica-tion of the sealant. ) at any point in the duct systems. VMware Tanzu Kubernetes Grid Integrated Edition. AIR DUCT SLIDE RULE CALCULATOR Size: 4"x9. Reading Guide- For duct sizes between, say, 901 mm and 1000 mm, when the pressure class is 1" w. Go to the Windows Volume Activation TechCenter for detailed information on Windows client and. Download Software. 2 – Basic Terms and Definitions: Seismic restraints for pipe and duct are separated into two categories. View Mirza Imtiaz Baig’s profile on LinkedIn, the world's largest professional community. duct connection. Ducts on Demand. (76 mm) long, are placed over the rods to act as. 1 Double-wall Ducts SMACNA 1987 (2006) HVAC Duct Systems Inspection Guide, 3rd Edition SOCIETY FOR PROTECTIVE COATINGS (SSPC). 4201 Lafayette Center Drive Chantilly, VA 20151−1209 www. List price: US$159. Ducting and engine seal repairs. This practice is in violation of SMACNA turning vane spacing requirements, because it decreases the uniformity of the airflow and. They are built using hot-dipped galvanized steel and use a unique MIRO bracket that allows the support to easily be adjusted to accommodate roof slope. At this time, it is not known what level of protection a face shield provides to people nearby from the spray of respiratory droplets from the wearer. Flex Duct Support offer greater support to flexible duct not to sag over long runs. Concept - we use all resources available (industrial ventilation standards, SMACNA literature and experience) to generate the best solution. DuraDuct HP : The Largest 2 Hour Fire and Blast Resistant Duct. Details are revisited in all drawings and commentary with an emphasis on making certain that the best flashing methods are included. Help and Support. Single Wall Round Ductwork. Install rigid round, rectangular, and flat-oval metal duct with support systems indicated in SMACNA's "HVAC Duct Construction Standards--Metal and Flexible. Updated liner requirements to include non-fiberglass liner types. WHO SHOULD ATTEND. Conduit, Ducting and Fittings. PHP is the leading innovator in the roof support system industry, setting the status quo, pioneering change, and solving your every rooftop challenge. Transverse joints T-15 through T-24, shown in Figure 2-1 are acceptable construction. Aug 29, 2020 hvac duct construction standards metal and flexible 3rd edition Posted By J. For insulation purposes, metal ducts are typically lined with faced fiberglass blankets (duct liner) or wrapped externally with fiberglass blankets (duct wrap). Every above-ground duct installation needs hangers or supports of some kind. The support site offers a host of white papers and manuals that provide an in depth look various iDRAC features. • Meets all SMACNA pressure classes up to 10" w. AHU installation details. Provide duct material, gages, reinforcing, and sealing for operating pressures indicated. edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. Hung from concrete floor with Support Rods (Item 4). flexible duct shall be ul 181 class 1 air duct, rated for applicable flexible duct may be used for final connections to air distributions w. Your registration has been successfully completed. • Guidelines for Change Orders • HVAC Systems - Duct Designs. duct with manual volume damper. SMACNA’s HVAC Duct Construction Standards - Metal and Flexible provides full and detailed instructions on proper installation and. Related Documents. The tables below contain downloadable standard design detail drawings for typical Unistrut applications–medical supports, rooftop walkways, and ceiling grid systems. , 2005,it was found that in some tests, the Ward Angles (E,H and J) permitted a more liberal interpretation of the SMACNA Tables. SMACNA-HVAC Duct Construction Standards-Metal and Flexible, Third Edition 2005. edu no longer supports Internet Explorer. Air Duct Accessories. Duct hangers and support. The only calculator in the industry to include the 0. ASHRAE Standards: Comply with ASHRAE Fundamentals Handbook and ASHRAE Systems and Equipment for design and fabrication of ductwork. Design considerations are to include duct leakage from related components such as fan housings, coils, and terminal boxes. Detailed as possible information about your product will help us assist you more quickly. CAD Models In This Category. Metal and Air Conditioning Contractors National Association. Since HVAC systems account for about 40% of a building’s annual energy usage, it’s imperative that you’re using not only quality equipment but the most efficient and easily installed spiral duct and spiral fittings, as well. tdc duct constructed per smacna standards-first edition 1995 2. Leakage testing on job sites disrupts productivity and is costly. 0, the latest version that has been optimized for different You can choose the SMACNA HVAC Duct Construction APK version that suits your phone, tablet, TV. Downloads: 0 The SMACNA Event app will keep you up to date. They are also crimped on one end to easily fit into a pipe or duct fitting of the same diameter. 2 specific requirements; 7. Smacna Architectural Sheet Metal Manual This seventh edition of the Architectural Sheet Metal Manual has many changes and several additions. Combined Exp. The most common support is 1 1/2-inch-minimum-width hanger/saddle material. 1) gi sheet thickness as per smacna is manufactured to have a long durability, strong corrosion resistance and shiny surface. COVID-19 Impact on ITLS International Office Staffing. , square versus 45° entry taps, conical versus straight taps, etc. The SMACNA HVAC Duct Systems Inspection Guide reviews materials and reinforcement of duct systems, as well as assembly and supports of ducts. Boiler breeching was omitted because mechanical codes and other specifications too often override the SMACNA details. 0187 inch (0. One dis-advantage to locating the air handler in the attic space is serviceability. Fasten hangers and supports to concrete by lead shield anchors, angle knee brackets, or to grating structural steel only. For rectangular duct wall. It expands the scope of the second edition, updating the duct materials to include aluminized steel, temperature correction factors for round industrial, and minimum decimal thickness for aluminum duct. Products Services Markets Support Company. This system comprises a galvanized steel aircraft cable with integral, self-locking hook and a patented locking device that allows quick installation and release for adjustment or removal. Chapter 6 Duct Systems Mechanical Code 2015 of Utah. Support Portal. Spiral Duct. We can design and build the proper support for your unique application. 2) Provide minimum No. Cedar Rapids, IA Port Coquitlam, BC. 2 specific requirements; 7. COMMENTARY - DISSIMILAR MATERIALS The Aluminum Association, Inc. • HVAC Duct Design Home Study • HVAC Systems - Duct Design. If these detailed specifications are 3. in length from the top of the pipe to the bottom of the support. Provide duct accessories of materials suited to duct materials; use galvanized-steel accessories in galvanized-steel ducts and stainless-steel accessories in stainless-steel ducts. 4-5 of SMACNA HVAC Duct Construction Standards - metal and flexible for calculation method. 3 GENERAL GUIDELINES; 9. , "x" is liner thickness duct with acoustical liner. Snaplock Pipe & Fittings; Type "B" Gas Vent; Rectangular Duct Systems; Fasteners; Fire Dampers & Accessories; Installation Hardware. For insulation purposes, metal ducts are typically lined with faced fiberglass blankets (duct liner) or wrapped externally with fiberglass blankets (duct wrap). 00 · Rating details. This is for varying air flowing in a duct branch. It reviews materials and reinforcement of duct systems, as well as assembly and supports of ducts. round duct & fittings - umc standards. At this time, it is not known what level of protection a face shield provides to people nearby from the spray of respiratory droplets from the wearer. 75" Support Strap: Material: 100% polypropylene woven monofilament colored with carbon black or silver: Width: 1-3/4" +- 1/16" Tensile Strength: 450 lbs: Melting Point: 330 F: UL 723 Burn Test: Passed by Underwriters Laboratories: Packaging: 300 foot rolls. , and duct leakage. 1 Minimum Fasteners. Contact Us - SMACNA. SMACNA 1966-2005 HVAC Duct Construction Standards - Metal & Flexible. Wear gloves and safety glass-es to reduce the risk of injury, and use hearing protection when operat-ing power tools. Free PDF ebooks (user's guide, manuals, sheets) about Smacna detail for duct support ready for download Cal Smacna Hanger Detail. create-profile - creates wireless security profile with the specified name, configures it with security details received from the WPS AP, specifies the wireless interface to use the new. ANSI/SMACNA 006-2006 HVAC Duct Construction Standards, Metals and supports of ducts. Product Features; Linacoustic® RC insulation is a flexible duct liner made from strong glass fibers bonded with a thermosetting resin. duct connection. Smacna Duct Support Details A minimum clearance of six inches (6”) is. See Figure 9. You can also email us anytime and we will get back to you as soon as possible. As per SMACNA the gauges of ducting sheet varies and depends upon the width of the duct and type of application of a particular project. For ducts not exceeding 1525 mm in width, steel angle 51 mm by 51 mm by 4. This app does not provide every possible solution found in SMACNA's standard and it will not provide every detail. • Preparation of Shop drawings for HVAC. Duct hangers and support. Coupling Systems: Tiger Clip Coupling System. flex duct shall be installed per smacna manual using drawband & insulation shall be fitted over the core and supplementary secured with a drawband. The new edition has been updated from the 1992 edition and includes updated code references, NFPA references, and expanded guideline notes as to the details of damper installation. 7% of hours available on projects to do productive work are lost due to mitigation requirements such as PPE management, cleaning & disinfection, access rules, and extra administra. Fabric air duct systems from KE Fibertec are hygienic and can easily be taken down for washing, and fabric air duct systems meet the highest requirements on sustainability. If you need ductwork for your air conditioning projects or heating project, The Duct Shop will ship your ducts quickly, directly to your home or HVAC job. Channel Strut unistrut style fixing accessories HVAc air con support system HDG. Click the link given below for details Click the appropriate link for further details. (mm) Thickness. 5 billion in 2018 and is estimated to exhibit over 3% CAGR from 2019 to 2025. 2 ROUND DUCTS AND FITTINGS A. Duct construction details. FIGURE 5-1 BASIC FIRE DAMPER INSTALLATIONS E. installation details. Is Srvany supported on 64-bit Windows? Will Srvany close my application when I stop the service? How do I remove a Srvany service? A Windows Service is an advanced component/feature of Microsoft Windows that supports the management of long running, background processes and. SMACNA Duct System Calculator Builder S Book Inc Bookstore. Metal and Air Conditioning Contractors National Association. Xem thêm: SMACNA duct construction , SMACNA duct construction , SMACNA duct construction , SECOND EDITION - 1995 WITH ADDENDUM NO. See the Mestek Machinery Catalog for further details. Module Option Code Information. STANDARD DETAILS. Unmatched wireless control over mix. Windows 7, Windows Server 2003 Service Pack 2, Windows Server 2008 Run the MSI file on a supported operating system. Four steel tubes, each 3 in. July 2020 Edition (find this newsletter here). The airstream surface is protected with JM's exclusive Reinforced Coating system, which combines our state-of-the-art Permacote® acrylic coating with a flexible glass mat reinforcement to provide a smooth airstream surface. Smacna Hangers and Supports - Free download as PDF File (. Ducted Systems. The air stream in the duct flows only over a sealed aluminum surface: Ideally suited for high specification applications, resistant to mold and KoolDuct's efficient jointing system and sealed duct seams: Virtually airtight and leak-free, SMACNA Class 3 rating, 79% less air leakage than sheet metal. smacna round duct const - round industrial duct construction standards January 1, 2013 - SMACNA The scope of this manual includes the determination of the necessary construction details for the fabrication and installation of round metallic industrial ductwork within the following general categories, and as further detailed in the scope of. positive and negative. 02 (For Windows) This tool has the functionality to read and display the smart card reader and the smart card details. Support vertical ducts at a maximum interval of 5 m and at each floor. Air terminal runouts and supports are revised. EXPOSED DUCTWORK IN FINISHED SPACES. Lindab supports certification of buildings. We truly appreciate your support. The support has slots at either end to accept metal hanger strap for ease of hanging. In some cases where the HVAC system is having difficulty supplying the required volume to all zones, contractors want to recommend the removal of every second turning vane to reduce the friction in the duct. The Flexible Duct Performance Standards (Fifth Edition) by the Air Diffusion Field- and shop-fabricated metal and flexile ducts shall be supported in accordance with the SMACNA HVAC Duct Construction Standards - Metal and. Product details. It expands the scope of the second edition, updating the duct materials to include aluminized steel, temperature correction factors for round industrial, and minimum decimal thickness for aluminum duct. The most secure digital platform to get legally binding, electronically signed documents in just a few seconds. Brocade Support: Please call us at 1-800-752-8061. Most support manufacturers have more than one size, and you can choose based upon your duct weight and the allowable PSI. The following SMACNA manuals are excerpted within this guide: SHVAC Duct Construction Standards, Second Edition, 1995. Duct Layout Software. SMACNA gutters are tapered with their left hand end having a notched lip and being slightly smaller in size than its’ right end. 142) to obtain the diameter of the duct. Smacna Duct Design Comittee. The appendices on smoke control and smoke detectors have been revised to reflect the current technology and requirements for those applications. Product details. Schedule a roof evaluation. exe C [MAC address] [MAC address]". Calculator Notes and Assumptions. Places Chantilly, Virginia Home ImprovementHeating, Ventilating & Air Conditioning Service Sheet Metal and Air Conditioning Contractors' National Association (SMACNA). Smacna Hangers and Supports - Free download as PDF File (. Standards Body: Sheet Metal and Air Conditioning Contractors'. Additional Book Details Manual Q is your one-stop reference book on the low-pressure, low-velocity systems used in small and mid-size commercial buildings. QTY: Add to Cart SMACNA -- HVAC Air Duct Leakage Test Manual, 2nd Edition. Available to purchase from BSRIA Instrument Solutions is the TSI / Airflow 240 V PANDA duct leakage tester complete with instruments and manufacturers calibration certificates (50 / 60 Hz 10 A). pdf), Text File (. Download this free HVAC duct support CAD detail for use in your mechanical design CAD drawings. AT EACH END (inches) 36 1 x 1 x 1/8 Screws 2 48 1-1/2 x 1-1/2 x 1/8 Bolts 3 60 2 x 2 x 1/8 Bolts 3 61 - up 2-1/2 x 2-1/2 x 3/16 Bolts 4 3. 0, the latest version that has been optimized for different You can choose the SMACNA HVAC Duct Construction APK version that suits your phone, tablet, TV. HVAC Systems-Duct Design [SMACNA] on Amazon. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. The video also references both the SMACNA HVAC Systems Duct Design and HVAC Duct Construction Standard to tie actual airflow performance to the “flat” drawings and commentary within both manuals. -resistant, non-fibrated sealant for use on low, medium and high-velocity ducts to form an extremely flexible, yet durable seal against air leakage - Trade Only Best Prices. 4"[100mm] 5. SMACNA HVAC Duct Construction Standards, 4th edition - This new edition represents the Options for internal supports for flat oval duct. Start a free trial now to save yourself time and money!. Supports The duct support system shall be designed as required by IMC or SMACNA requirements and that will support the load of the ventilation air duct and the additional weight of the FyreWrap Elite 1. goodFull description. Aug 29, 2020 hvac duct construction standards metal and flexible 3rd edition Posted By J. List price: US$159. figure c-20 flexible duct supports; figure c-21 flexible duct supports; figure c-22 round duct transverse joints; figure c-22 round duct transverse joints (continued) figure c-23 round duct longitudinal seams; figure c-24 hanger attachments to structures; figure c-25 upper attachment devices - typical; figure c-26 lower hanger attachments. duct construction shall be in accordance with the latest edition of. Wikis - Page Details. Click or the topic for details Intel® System Support Utility (Intel® SSU) is a standalone utility that performs a detailed scan and report of your computer system information and. Upgrade to premium to. Metal and Air Conditioning Contractors National Association. See Appendix 17 for a detailed discussion of duct installation. 233116 “Non Metal Ducts” for fabric duct. ANSI/SMACNA 006-2006 HVAC Duct Construction Standards gauge thickness smacna duct thickness table smacna tables allow for duct weight 7 25 second' '5 23 31 – HVAC DUCTS DESIGN AND CONSTRUCTION STANDARD May 2nd, 2018 - 5 23 31 – HVAC DUCTS DESIGN AND CONSTRUCTION STANDARD PART 1 GENERAL 1 01 Purpose A With SMACNA S HVAC Duct Page 1/5. Duct sound liner that is directly exposed to the air stream shall not to be used, except in. Service and Technical Support Manual. For example, SMACNA (Sheet Metal & Air Conditioning Contractor's National Association) is an accepted organization (not to exclude others), who have spent a lot of time and money to develop sheet metal construction and fitting standards. • Responsible for on job modification and design issues. Looking for DUCTMATE Sandwich Style Insulated Round Duct, Rectangular, 12 1/2 in Door Width, 8 9/16 in Door Height (29VJ72)? Grainger's got your back. Integrated 8052 Microcontroller With. Get more details on this report - Request Free Sample PDF. 4# center bolt for span greater than 24"[600mm] 7/8"[22mm]∅ high density insert typical cold pipe type 40 shield banded to pipe removable cover typical hot pipe type 39 saddle caulk and seal [19mm] slope 2 - supports up to 24" [600mm] span 3/4". SMACNA HVAC Systems Duct Design 4th Edition Builder S. 6mm (16G) Thickness of Spiral ducts as per SMACNA. Other articles in the Duct Design series:. Ductwork supports shall be of galvanized or painted steel. Learn More. for all other ducts of any application. Released by the Sheet Metal and Air Conditioning Contractors' National Association, SMACNA the DALT mobile app for iPhone, iPad and iPod Touch, also provides a quick way to determine the pass/fail mark for properly specified duct air leakage tests - DALT. Documents Preceding 3rd Edition HVAC-DCS HVAC Duct Construction Standards --Metal and Flexible. The new SMACNA-ANSI standard for phenolic ductwork contains instructions, tables, and details intended to provide a basic phenolic pre-insulated duct fabrication and installation standard for the construction industry. 00 · Rating details. Sheet Metal and Air Conditioning Contractors National Association (SMACNA) Metropolitan Detroit Chapter is a local member of its national association located in Washington, D. ) A duct system is an assembly whose primary function is to convey air between specified points. This is a joint meeting with SMCA. Support Center is the support portal for all Siemens Digital Industries Software products with everything you need in one easy-to-use location - knowledgebase, product updates, documentation, support cases, license/order information, and more. Sleeves shall not extend. Upload your own CAD models to make money or help the community with their CAD designs. Perfect for use with dust collection, high-velocity heating system, add-on branches to existing duct and whole house heating and cooling. This American National Standard (ANSI/SMACNA 006) contains tables and deta. Language: English, Traditional Chinese, Simplified Chinese, Deutsch, Svenska, Français, Español,ไทย,한국어. QTY: Add to Cart SMACNA -- HVAC Air Duct Leakage Test Manual, 2nd Edition. Adhere bottom layer of duct liner in normal manner. Seal the deal. In the next article, I'll talk more about those pressure drops and how they determine the available static pressure, which then leads to the total effective length of our duct system. Construct the duct using sections affixed to each other with seams. The third edition of the HVAC Duct Construction Standards - Metal and Flexible is for use in commercial and institutional duct construction. Product Features; Linacoustic® RC insulation is a flexible duct liner made from strong glass fibers bonded with a thermosetting resin. Ductwork supports shall be of galvanized or painted steel. HVAC Duct Design Calculator includes detailed instructions and enables HVAC system designers to design an average duct system without additional references. The next step in the duct design process. Foster FIBER-FAS 32-16 Duct Sealant Gray 1 Gallon • UL 181B-M Listed • Meets NFPA 90A & 90B 25/50 requirements • Produced under the classification and follow-up service of Underwriter's Laboratories, Inc. Calculator Notes and Assumptions. tdc duct constructed per smacna standards-first edition 1995 2. Click here for detailed instructions on how to disable it. Rates & Charges. Configuration supports all installed fonts on the computer system. By default, both static configuration and active connection data are displayed. Howard, III Sheet Metal and Air Conditioning Contractors’ National Association Documents Preceding 3rd Edition HVAC-DCS HVAC Duct Construction Standards -Metal and Flexible – First Edition 1985 – Second Edition 1995. box 739 kennedale, tx 76060 physical address 528 s. • Catalogue of accepted industry practices for the fabrication and installation of round metallic industrial duct, with its fi ttings, appurtenances, accessories, insulation, cladding, hangers. Support / Product Detail. 3 mm, used to support wrapped duct at 1500 mm OC maximum. iOS 14 SUPPORTED | How to Remove - Apple MDM Bypass (Mobile Device Management configuration profile) on any iOS device: iPhone, iPad, iPod (WIFI or GSM). support from structure from exhaust grilles seal ductwork per specs. Live Support Chat Sales Assistance. Gauges shall conform to SMACNA or ASHRAE duct standards. This is the first Design Advisory for McGill AirFlow's new Duct System Design Guide, being issued in. 24 gauge is use for the duct size up to 750 mm (30") and thickness is 0. 2W30-2 Installation Detail. I will used mequay software for designing ducts system. Instructables is a community for people who like to make things. If the designer does not designate pressure class for duct construction on the contract drawings, the basis of compliance with the SMACNA HVAC Duct Construction Standards is as follows: 2” (500 Pa) w. Support Details. Install fire dampers in accordance with the manufacturer's instructions to conform to the installation used for the rating test. • Responsible for on job modification and design issues. AEC Construction Details - AutoCad. SupportDetails. Brocade Support: Please call us at 1-800-752-8061. DuraDuct 3HR : 3 Hour Fire Rated Duct. Find programs to help navigate or maximize the use of supported smart cards and smart card View the latest catalogue and know more about packaging details. Supports de transmission. 3 INSTALLATION not defined and the installation does not involve zero tolerance areas like clean rooms, SMACNA Before the installation of individual duct. The new standard is available as a downloadable PDF, in book form or on a CD. It is now also supported by Espressif. Duct Support on Roof. Supports a Total of Three Input and Three Output (Interrupt, Bulk) Endpoints. Our gi sheet thickness as per smacna :. Duct joining details. HVAC Troubleshooting Equipment. • Apply latest standards like ASHRAE, NFPA, UL, ANSI, ASME, SMACNA, NADCA, AIA etc. pdf DOWNLOAD HERE Smacna 1143 - techstreet SMACNA 1143 HVAC Air Duct Leakage Test Manual. Seal shall provide maximum leakage class of 3 cfm/100 sq. DuraDuct 2HR : 2 Hour E119/S101 Fire Rated Duct and Enclosure. Interior round and flat oval products provide near zero air leakage. Read reviews from world's largest community for readers. , and duct leakage. (smacna) provides no guarantees or warranties, either express or imploied with respect to the accuracy and sufficiency of the data, information or forms published in the smacna successful building project coordination manual in particular, smacna disclaims any implied warranty of merchantability or fitness for particular purpose. One of the most common requests we receive concerns drawings for Unistrut support structures.