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Showing Results 1551 - 1600 of 2446

Book

Residential Comfort Systems Installation Standards Manual

This revised manual addresses three new areas: Hydronic heating systems, multistory HVAC systems, and residential commissioning. Appendix chapters provide overviews of methods for including crawlspaces in the conditioned space and the HVAC accessories, such as UV lights, zoning, and advanced air filtering methods to enhance indoor environmental quality (IEQ) for occupants. More detailed information and new concepts are induded for earth energy heat exchanger methods for ground source heat pumps. Updated construction code requirements are reflected throughout the range of HVAC system types, along with energy efficiency and sustainable practices. Installation, operation, maintenance, and guidance for residential heating, ventilation and air conditioning systems are also included.
 


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Book

Normal Project Duration NECA #5076-04

This document is an update to an original NECA report, which was published in the early 1980's. New data and information were collected and new methods are presented to provide contractors with additional tools to track productivity using the data in this report as a baseline. Excerpts from the original Normal Project Duration report are used throughout this document. Results shown in this document indicate that electrical contractors are performing work using much shorter durations than 20 years ago. Reductions in project durations were achieved by increasing manpower and using new tools and equipment.


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Book

Overtime and Productivity in Electrical Const. NECA #5050-04

The difficulties resulting from overtime work might lead many to question the wisdom of using overtime under any circumstances. There do seem to be compelling reasons for adhering closely to the standard work week whenever possible. However, situations do arise in which there is no alternative to working a longer than standard week. In order to assist its membership in managing these situations, NECA has studied the problems associated with overtime work. This publication embodies the significant conclusions produced by the study and where appropriate, offers recommendations for coping with the issues that arise.


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Book

Residential Retrofit & Service Operations Management Program

The Residential Retrofit and Service Operations Management Program provides information on the latest methodologies to start up and run a profitable and successful residential and light commercial HVAC service and replacement department. This manual begins with an in-depth look at the financial considerations involved in this special type of work and moves into areas such as sales and operations, marketing methods, and personnel requirements. The appendices include a wealth of sample job descriptions for typical residential/light commercial personnel and very interesting "blog style" case studies offering valuable firsthand contractor advice.


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Book

Thermoset FRP Duct Construction Manual

This authoritative manual is one that design engineers, industrial engineering departments, pollution control authorities, fiberglass manufacturers and installation contractors can rely upon for the proper selection, manufacture, and installation of FRP duct systems. The American National Standard (ANSI/SMACNA 011-2017) contains language, tables and details for the construction of hand lay-up, spray-up, and filament-wound FRP ductwork from 30 in. wg negative pressure to 30 in.wg positive pressure. Round Ductwork sizes are expanded to include up to 96 in. diameter. For rectangular ductwork, new duct stiffener tables are added for easier selection. Recognizing the increased popularity of FRP ductwork, this edition is expanded to include commercial/HVAC applications. Supporting this, an underground installation section is added as well as added language on testing and balancing, duct sealing, and duct leakage. Duct hangers and support iinformation have been expanded and organized into a separate chapter which now includes: upper attachments, hanger selection tables, channel (strut) used as trapeze, riser support details, and more. Appendices in this edition cover: extended hanger spacing, general information on safe handling of thermoset fiberglass reinforced plastic duct, and allowable FRP defects.


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Book

Architectural Sheet Metal Quality Assurance Guide

Developed to provide guidance in the evaluation of exterior sheet metal building components - roofing systems, exterior walls, flashings, copings, etc. - during initial construction and for ongoing condition assessments and maintenance. The manual can assist owners/operators that may have limited knowledge and experience in the specifics of architectural sheet metal components, specification, fabrication, installation, or evaluation. The manual can also serve as a procedural inspection guide for experienced professionals who review architectural sheet metal systems regularly.


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Book

Phenolic Duct Construction Standards

This is the first edition of the SMACNA Phenolic Duct Construction Standards. 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. The standard includes model project specifications, duct performance characteristics, specifications and closures, fittings and connections, reinforcement, hangers and support, accessories, and an inspection checklist. The standard is applicable for ducts up to 80 in. x 80 in. size that operate to 4 in. wg positive pressure class and to 3 in. wg negative pressure class.
 


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Book Dec 20 2014

Energy Systems Analysis and Management

This timely document provides an overview of a variety of energy-related business opportunities for commercial, residential, and institutional buildings. Presents contractors, building owners and operators, facility managers, and system designers with the tools needed to evaluate an existing facility for energy savings potential. Addresses both new construction and retrofits. Includes energy conservation management, the energy audit and energy estimating procedures. HVAC system maintenance and indoor air quality, energy management maintenance and monitoring, energy recovery systems and energy recovery system investment analysis.


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Book

HVAC Systems Sound and Vibration Procedural Guide

The HVAC Systems Sound and Vibration Procedural Guide details methods and processes that, when followed, provide repeatable measurement and verification of sound and vibration (S&V) levels, as required by new and emerging building codes. Instrumentation standards, sound measurement procedures, vibration inspection methods, and vibration measurement procedures are included in the guide. Written for trained sound and vibration testing supervisors and technicians, this publication also is a useful aid to assist designers developing project specifications for sound and vibration testing requirements.


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OSHA & Regulatory Compliance

OSHA Confined Spaces in Construction Final Rule

The OSHA Confined Spaces in Construction final rule, issued May 4, 2015, was unclear about how it applied to attics and crawlspaces in residential construction. However, a settlement was reached between OSHA and interested parties who negotiated the rule. 

Resource

What’s in it for me? Documenting the benefits of Lean

Documenting the benefits of Lean admittedly is a challenge, because no two projects are exactly alike. However, we have a substantial body of analysis that suggests the success realized on Lean projects is real and can be duplicated from project to project. This is Part II of a two-part series that explores the benefits and challenges of lean construction. 

Video

J.F. Ahern: Prefab Time Lapse Video

J. F. Ahern Co. recently unveiled a time-lapse video that was filmed over several months, chronicling the assembly and installation of 32 multi-trade racking systems for the Froedtert CFAC project in Milwaukee.

J.F. Ahern: What is Prefabrication? Video

In this video, SMACNA member J.F. Ahern takes you through project stages including estimating, pre-planning, design/coordination, scheduling and purchasing, fabrication/assembly, quality control, and field installation to show how prefabrication works and benefits projects though improved risk, timing and cost.

New Horizons Foundation Jan 01 2016

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The HVAC and Sheet Metal Industry Futures Study Update 2016

The 2016 Futures Study Update begins with a review and analysis of the 2012 study with a focus on the viability of the predictions outlined in the earlier report. The publication offers a broad environmental sweep, an examination of unanticipated changes, and validation or modifications to the 2012 implications and emerging trends.

Business Resource Jan 01 2016

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The Business Case for BIM

SMACNA’s white paper “The Business Case for BIM” can help contractors justify the cost of investing in BIM capabilities. This research demonstrates that the benefits of BIM can be substantial ̶ increasing profitability, bidding opportunities, and manufacturing efficiency and volume.

Trustee Resources

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Is Your Trust Fund Ready or Not?

Emergencies can come in the form of a natural disaster affecting an entire region or be brought on by something like a fire or catastrophic equipment failure affecting only your fund’s office.

Labor Agreements

Memo and Consolidated National Agreement for Industrial Construction

March 2015 memorandum from SMACNA Labor Relations that outlines key aspects of the Consolidated National Agreement for Industrial Construction, unilaterally developed by SMART. The Industrial Agreement is between individual contractors and the SMART International Union, making it  a national agreement, and  covers conditions of employment for industrial projects beyond the territorial limits of the home local union jurisdiction. 

Business Resource Jun 01 2014

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Legal Implications of Building Information Modeling

This article will not focus on the technical aspects of BIM, but rather will analyze the legal implications and challenges facing projects using BIM. This article will examie the copyright/intellectual property issues, indemnity/liability issues, management and conflict issues, and will provide a brief conclusion regarding the future legal prospects for BIM.

Round Industrial Duct Construction Standards

The American National Standard (ANSI/SMACNA 005-2013) expands the scope of the 1999 version, updating the duct materials to include aluminized steel, temperature correction factors for round industrial and minimum decimal thickness for aluminum duct selection tables. Offers a standardized, engineered basis for design and construction of industrial ducts of Classes 1 to 5 air. Includes a spiral duct chapter for Classes 1 and 2 air that covers design pressures ranging from 30 in. wg negative to 50 in. wg positive, plus carbon and galvanized steel tables. Expanded tables for stainless steel and aluminum, expanded tables for duct sizes up to 96 in. diameter, introduction of a new Duct Class 5 for systems handling corrosives and spiral lockseam pipe.
 


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