Comparing FSC and Cradle to Cradle Pathways

Comparing FSC and Cradle to Cradle Pathways

Understanding the Landscape of Sustainable Building Material Certifications

FSC and Cradle to Cradle: Comparing Paths to a Better World


FSC, or the Forest Stewardship Council, and Cradle to Cradle, while both aiming for a more sustainable future, approach the problem from different angles. Imagine them as two trails leading up the same mountain, each with its own unique landscapes and challenges. FSC focuses primarily on responsible forest management. Think of it as ensuring the forest is healthy and thriving. They set standards for how forests are logged, ensuring biodiversity is preserved, worker rights are respected, and the interests of local communities are considered. When you see the FSC label on a wood product, you can be reasonably sure it comes from a well-managed forest.


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Cradle to Cradle, on the other hand, has a much broader scope. Its not just about managing resources responsibly, but about designing products and systems that are inherently beneficial. The core idea is to eliminate the concept of waste by designing products that can be either safely returned to the environment (biological nutrients) or re-used endlessly in industrial cycles (technical nutrients). It's about thinking about the entire lifecycle of a product, from its raw materials to its eventual fate.


So, while FSC is like a really effective forest ranger, ensuring the health and longevity of our forests, Cradle to Cradle is more like an architect designing a building that not only minimizes its environmental impact but actually contributes positively to its surroundings.


The two approaches arent mutually exclusive, though. In fact, they can complement each other. A piece of wood certified by FSC could theoretically be used to create a product designed according to Cradle to Cradle principles. The FSC certification ensures the wood came from a responsible source, while the Cradle to Cradle design ensures the product is designed for a closed-loop system. Both are striving for a world where our consumption doesnt come at the expense of the planet, just using different, yet potentially synergistic, pathways to get there.

Okay, lets talk about choosing building materials and how two big certifications, FSC and Cradle to Cradle, can help us make better choices. Basically, were comparing their approaches to building supply material assessment.


FSC, or Forest Stewardship Council, is all about responsible forestry. When you see that FSC label on wood or paper products, it means the forest where that material came from is managed in a way that protects biodiversity, respects the rights of workers and indigenous communities, and ensures the forest can keep providing resources for future generations. So, FSC is focused on the source of the material and how its harvested. Its a crucial certification for ensuring that our buildings arent contributing to deforestation or unsustainable logging practices.


Cradle to Cradle, on the other hand, takes a much broader, holistic view. It looks at the entire lifecycle of a product, from its design and manufacturing to its use and eventual end-of-life. The goal is to create products that are either completely biodegradable and can return safely to the environment (biological nutrients) or can be perpetually recycled and reused in closed-loop systems (technical nutrients). Cradle to Cradle evaluates materials based on things like material health (are they toxic?), material reutilization (can they be recycled or composted?), renewable energy use, water stewardship, and social fairness. Its a much more comprehensive assessment of a products environmental and social impact.


So, which one is "better"? Well, it depends on what youre trying to achieve. If your primary concern is ensuring responsible forestry, FSC is the way to go. If youre looking for a more comprehensive assessment that takes into account a wide range of environmental and social factors throughout the entire product lifecycle, Cradle to Cradle is a better choice.


Ideally, youd want to consider both. Think of it this way: FSC ensures the wood is responsibly sourced, while Cradle to Cradle ensures that the manufacturing process is clean, the chemicals used are safe, and the product can be reused or recycled at the end of its life. They complement each other really well. Ultimately, choosing building materials is about balancing different priorities and making informed decisions that minimize our impact on the planet.

Decoding Certification Labels: What Do They Really Mean?

In todays global economy, where the origins and impacts of products are increasingly under scrutiny, supply chain transparency and traceability have become paramount. Two leading certification systems that aim to enhance these aspects are the Forest Stewardship Council (FSC) and Cradle to Cradle Certified™. A comparative look at these pathways reveals distinct approaches and outcomes in fostering responsible production and consumption.


The FSC standard focuses primarily on forest products, aiming to promote environmentally appropriate, socially beneficial, and economically viable management of the worlds forests. FSC certification provides a transparent chain of custody from the forest to the consumer, ensuring that wood and paper products come from responsibly managed forests. This system not only helps consumers make informed choices but also drives companies to adopt sustainable practices throughout their supply chains. The traceability offered by FSC is particularly robust, with detailed tracking systems that enable stakeholders to verify the origin of certified products.


On the other hand, Cradle to Cradle Certified™ adopts a broader approach, emphasizing the entire lifecycle of products across various industries. This framework evaluates materials for health and safety, material reutilization, renewable energy use, water stewardship, and social fairness. By focusing on circularity and continuous improvement, Cradle to Cradle encourages manufacturers to design products that can be reused or recycled indefinitely without losing quality. While this system may not offer the same level of product-specific traceability as FSC, it promotes a holistic view of sustainability that can lead to more systemic changes within supply chains.


Both systems contribute significantly to supply chain transparency but in different ways. FSC's strength lies in its detailed tracking and verification processes specific to forest products, which directly address deforestation and promote sustainable forestry practices. In contrast, Cradle to Cradle's comprehensive assessment criteria encourage innovation in product design and material use across multiple sectors, potentially leading to broader environmental benefits.


In conclusion, while both FSC and Cradle to Cradle Certified™ enhance supply chain transparency and traceability, they do so through different lenses and methodologies. FSC excels in providing clear pathways for sustainable forest management with precise tracking mechanisms. Meanwhile, Cradle to Cradle pushes for a wider adoption of circular economy principles across diverse industries. Choosing between them depends on specific sustainability goals-whether focused on forest conservation or overall product lifecycle management-but both play crucial roles in advancing responsible business practices worldwide.

Decoding Certification Labels: What Do They Really Mean?

Matching Certifications to Project Goals and Building Types

Okay, so when we talk about being kinder to the planet and making stuff thats, well, less awful for it, two names often pop up: FSC and Cradle to Cradle. Think of them as certifications that try to guide businesses toward better environmental choices. But they approach the problem from slightly different angles, and understanding that difference is key.


FSC, or the Forest Stewardship Council, is all about forests. Seriously, its laser-focused on making sure our woodlands are managed responsibly. Theyre concerned with things like preventing deforestation, protecting biodiversity, and ensuring the rights of workers and indigenous communities who depend on forests. So, if you see the FSC logo on a piece of furniture or paper, you can be reasonably sure that the wood came from a forest thats being looked after in a sustainable way. Its a big deal for preventing clear-cutting and promoting ethical forestry practices.


Cradle to Cradle, on the other hand, is a much broader concept. Its about rethinking the entire lifecycle of a product. The idea is to design products so that at the end of their useful life, their materials can be safely and completely recycled or composted, essentially creating a closed-loop system. Instead of "cradle to grave" (make, use, dispose), its "cradle to cradle." They look at things like material health (are there nasty chemicals?), material reutilization (can it be recycled or composted?), renewable energy use, water stewardship, and social fairness. Its far more holistic than FSC, aiming for a truly circular economy.


So, whats the takeaway? FSC is great for ensuring responsible forestry practices. Cradle to Cradle is a bigger picture approach aimed at designing products that are inherently less wasteful and harmful from the outset. They arent mutually exclusive, though. You could have a wood product thats both FSC certified (meaning the wood was sustainably sourced) and Cradle to Cradle certified (meaning the product as a whole is designed for recyclability or compostability). Theyre different tools in the toolbox for building a more sustainable future. Choosing which one to focus on really depends on what specific environmental problem youre trying to address.

The Cost Factor: Balancing Sustainability and Budget

When comparing the Forest Stewardship Council (FSC) and Cradle to Cradle (C2C) certification pathways, building professionals must carefully consider both cost implications and market accessibility. These factors play a crucial role in determining the feasibility and potential benefits of adopting either certification.


In terms of cost implications, FSC certification tends to be more straightforward and potentially less expensive for building professionals. The process primarily focuses on ensuring that wood products used in construction come from responsibly managed forests. This involves chain-of-custody certification and periodic audits, which can be managed within a reasonable budget. On the other hand, C2C certification is often more comprehensive and costly. It requires a thorough assessment of materials across five key categories: material health, material reutilization, renewable energy use, water stewardship, and social fairness. The holistic nature of C2C means that building professionals might need to invest more time and resources into achieving this certification.


Market accessibility is another critical aspect to consider. FSC-certified materials are widely recognized and available in many markets around the world, making them relatively easy for building professionals to source and incorporate into their projects. This broad acceptance can lead to increased demand for FSC-certified buildings and products, potentially offering a competitive advantage in certain markets. In contrast, while C2C certification is gaining traction, it still has a narrower market presence compared to FSC. However, as sustainability becomes a more significant factor in consumer decision-making, the demand for C2C-certified buildings may grow. Building professionals who invest in C2C early on could position themselves as leaders in sustainable construction practices.


Ultimately, the choice between FSC and C2C pathways depends on the specific goals and circumstances of each building professional. Those looking for a cost-effective way to demonstrate environmental responsibility might lean towards FSC certification due to its lower costs and wider market acceptance. Conversely, those aiming to push the boundaries of sustainability and willing to invest more upfront may find greater long-term value in pursuing C2C certification. By weighing these cost implications against market accessibility, building professionals can make informed decisions that align with their strategic objectives and contribute positively to sustainable development goals.

Sourcing Certified Building Supplies: A Practical Guide

When examining sustainable building practices, two prominent certification systems often come to the forefront: the Forest Stewardship Council (FSC) and Cradle to Cradle Certified. Both systems aim to foster environmental responsibility but approach it through different pathways, each with its unique case studies that highlight their methodologies and impacts.


Starting with FSC, this certification focuses primarily on responsible forest management. It ensures that wood products used in construction come from sustainably managed forests. A notable case study is the Bullitt Center in Seattle, Washington. Hailed as one of the greenest commercial buildings in the world, it boasts an exterior clad entirely in FSC-certified wood. This choice not only supports sustainable forest management but also showcases how such materials can be integrated into high-performance buildings. The use of FSC-certified wood helped the Bullitt Center achieve its goal of being a model for sustainable urban development.


On the other hand, Cradle to Cradle Certified takes a more holistic approach, emphasizing not just the sourcing of materials but their entire lifecycle – from production to disposal or reuse. A compelling example is the Park 20|20 office building in Hoofddorp, Netherlands. This building achieved the highest level of Cradle to Cradle certification by focusing on five key areas: material health, material reutilization, renewable energy and carbon management, water stewardship, and social fairness. The design incorporates materials that are non-toxic and fully recyclable at the end of their life cycle, thereby minimizing waste and pollution.


Comparing these pathways reveals distinct philosophies yet overlapping goals. FSCs strength lies in its targeted approach to forest resources, ensuring that every piece of wood used contributes positively to global forest management efforts. In contrast, Cradle to Cradles broader scope encourages a systemic shift towards circular economies across all building materials.


Both systems have proven effective within their frameworks; however, they cater to different needs within sustainable development. For projects where wood is a significant component and maintaining healthy forests is a priority, FSC offers clear benefits as demonstrated by projects like the Bullitt Center. Conversely, for those aiming for comprehensive sustainability across multiple dimensions – as seen with Park 20|20 – Cradle to Cradle provides a roadmap towards truly regenerative buildings.


In conclusion, while both FSC and Cradle to Cradle certifications pave different paths toward sustainability in building projects, they share a common vision of fostering environmentally responsible construction practices. By learning from these case studies, future projects can better decide which certification aligns more closely with their sustainability goals and values.

Avoiding Greenwashing: Verifying Claims and Ensuring Authenticity

Okay, lets talk about FSC and Cradle to Cradle. Think of them as two well-meaning friends, both trying to make the world a better place, but with slightly different approaches. FSC, or Forest Stewardship Council, is all about responsible forestry. Its like the conscientious caretaker of our woodlands, ensuring forests are managed in a way thats environmentally sound, socially beneficial, and economically viable. So, when you see that FSC label on wood or paper products, you can generally feel good knowing that forest wasnt clear-cut to make it.


Cradle to Cradle, on the other hand, is more of a circular economy enthusiast. Its not just about minimizing harm, its about designing products with the end in mind, so they can be safely reused or recycled back into new products. Imagine a material that is designed in a way that when its lifecycle is over, it can be used to create something new without harming the environment. Thats the cradle to cradle idea.


Now, where do these two paths cross? Well, theres definitely some synergy. For example, both certifications value resource efficiency and responsible sourcing. FSC-certified forests can provide sustainably harvested materials that can then be used in Cradle to Cradle certified products. Imagine furniture made from FSC-certified wood, designed according to Cradle to Cradle principles so it can be disassembled and its materials reused at the end of its life. That's a win-win!


However, there can also be conflicts, or at least points of tension. FSC primarily focuses on the origin of the wood, while Cradle to Cradle is concerned with the entire product lifecycle, including the chemicals used in manufacturing and the products ability to be recycled or composted. A product might use FSC-certified wood but still contain harmful chemicals that would prevent it from achieving Cradle to Cradle certification. Or, a Cradle to Cradle product might not necessarily prioritize FSC-certified wood, focusing instead on other recycled or sustainably sourced materials.


Ultimately, both FSC and Cradle to Cradle are valuable tools for promoting sustainability. Ideally, companies should strive to incorporate the principles of both certifications to create truly responsible and sustainable products. Its about building bridges between these two approaches and finding ways for them to complement each other, creating a more circular and responsible economy.

A structure or towers is an enclosed structure with a roofing, walls and home windows, usually standing permanently in one area, such as a residence or factory. Structures can be found in a range of dimensions, forms, and functions, and have been adapted throughout history for countless aspects, from developing products offered, to weather, land prices, ground conditions, specific usages, status, and aesthetic factors. To better understand the concept, see Nonbuilding framework for contrast. Structures offer numerous social demands –-- occupancy, primarily as shelter from weather condition, protection, living area, privacy, to save items, and to comfortably live and work. A building as a sanctuary stands for a physical splitting up of the human environment (a place of convenience and safety and security) from the outside (an area that may be extreme and damaging sometimes). structures have been objects or canvasses of much imaginative expression. In the last few years, rate of interest in sustainable planning and building practices has actually ended up being a deliberate component of the design process of many brand-new buildings and various other structures, usually green structures.

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Construction site and equipment prepared for start of work in Cologne, Germany (2017)

Construction is a general term meaning the art and science of forming objects, systems, or organizations.[1] It comes from the Latin word constructio (from com- "together" and struere "to pile up") and Old French construction.[2] To 'construct' is a verb: the act of building, and the noun is construction: how something is built or the nature of its structure.

In its most widely used context, construction covers the processes involved in delivering buildings, infrastructure, industrial facilities, and associated activities through to the end of their life. It typically starts with planning, financing, and design that continues until the asset is built and ready for use. Construction also covers repairs and maintenance work, any works to expand, extend and improve the asset, and its eventual demolition, dismantling or decommissioning.

The construction industry contributes significantly to many countries' gross domestic products (GDP). Global expenditure on construction activities was about $4 trillion in 2012. In 2022, expenditure on the construction industry exceeded $11 trillion a year, equivalent to about 13 percent of global GDP. This spending was forecasted to rise to around $14.8 trillion in 2030.[3]

The construction industry promotes economic development and brings many non-monetary benefits to many countries, but it is one of the most hazardous industries. For example, about 20% (1,061) of US industry fatalities in 2019 happened in construction.[4]

History

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The first huts and shelters were constructed by hand or with simple tools. As cities grew during the Bronze Age, a class of professional craftsmen, like bricklayers and carpenters, appeared. Occasionally, slaves were used for construction work. In the Middle Ages, the artisan craftsmen were organized into guilds. In the 19th century, steam-powered machinery appeared, and later, diesel- and electric-powered vehicles such as cranes, excavators and bulldozers.

Fast-track construction has been increasingly popular in the 21st century. Some estimates suggest that 40% of construction projects are now fast-track construction.[5]

Construction industry sectors

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Industrial assemblage of a thermal oxidizer in the United States

Broadly, there are three sectors of construction: buildings, infrastructure and industrial:[6]

  • Building construction is usually further divided into residential and non-residential.
  • Infrastructure, also called 'heavy civil' or 'heavy engineering', includes large public works, dams, bridges, highways, railways, water or wastewater and utility distribution.
  • Industrial construction includes offshore construction (mainly of energy installations), mining and quarrying, refineries, chemical processing, mills and manufacturing plants.

The industry can also be classified into sectors or markets.[7] For example, Engineering News-Record (ENR), a US-based construction trade magazine, has compiled and reported data about the size of design and construction contractors. In 2014, it split the data into nine market segments: transportation, petroleum, buildings, power, industrial, water, manufacturing, sewage/waste, telecom, hazardous waste, and a tenth category for other projects.[8] ENR used data on transportation, sewage, hazardous waste and water to rank firms as heavy contractors.[9]

The Standard Industrial Classification and the newer North American Industry Classification System classify companies that perform or engage in construction into three subsectors: building construction, heavy and civil engineering construction, and specialty trade contractors. There are also categories for professional services firms (e.g., engineering, architecture, surveying, project management).[10][11]

Building construction

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Military residential unit construction by U.S. Navy personnel in Afghanistan

Building construction is the process of adding structures to areas of land, also known as real property sites. Typically, a project is instigated by or with the owner of the property (who may be an individual or an organisation); occasionally, land may be compulsorily purchased from the owner for public use.[12]

Residential construction

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Units under construction in Brighton, Victoria, Australia

Residential construction may be undertaken by individual land-owners (self-built), by specialist housebuilders, by property developers, by general contractors, or by providers of public or social housing (e.g.: local authorities, housing associations). Where local zoning or planning policies allow, mixed-use developments may comprise both residential and non-residential construction (e.g.: retail, leisure, offices, public buildings, etc.).

Residential construction practices, technologies, and resources must conform to local building authority's regulations and codes of practice. Materials readily available in the area generally dictate the construction materials used (e.g.: brick versus stone versus timber). Costs of construction on a per square meter (or per square foot) basis for houses can vary dramatically based on site conditions, access routes, local regulations, economies of scale (custom-designed homes are often more expensive to build) and the availability of skilled tradespeople.[13]

Non-residential construction

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Construction of the Federal Reserve building in Kansas City, Missouri

Depending upon the type of building, non-residential building construction can be procured by a wide range of private and public organisations, including local authorities, educational and religious bodies, transport undertakings, retailers, hoteliers, property developers, financial institutions and other private companies. Most construction in these sectors is undertaken by general contractors.

Infrastructure construction

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Shasta Dam under construction in June 1942

Civil engineering covers the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads, bridges, canals, dams, tunnels, airports, water and sewerage systems, pipelines, and railways.[14][15] Some general contractors have expertise in civil engineering; civil engineering contractors are firms dedicated to work in this sector, and may specialise in particular types of infrastructure.

Industrial construction

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The National Cement Share Company of Ethiopia's new plant in Dire Dawa

Industrial construction includes offshore construction (mainly of energy installations: oil and gas platforms, wind power), mining and quarrying, refineries, breweries, distilleries and other processing plants, power stations, steel mills, warehouses and factories.

Construction processes

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Some construction projects are small renovations or repair jobs, like repainting or fixing leaks, where the owner may act as designer, paymaster and laborer for the entire project. However, more complex or ambitious projects usually require additional multi-disciplinary expertise and manpower, so the owner may commission one or more specialist businesses to undertake detailed planning, design, construction and handover of the work. Often the owner will appoint one business to oversee the project (this may be a designer, a contractor, a construction manager, or other advisors); such specialists are normally appointed for their expertise in project delivery and construction management and will help the owner define the project brief, agree on a budget and schedule, liaise with relevant public authorities, and procure materials and the services of other specialists (the supply chain, comprising subcontractors and materials suppliers). Contracts are agreed for the delivery of services by all businesses, alongside other detailed plans aimed at ensuring legal, timely, on-budget and safe delivery of the specified works.

Design, finance, and legal aspects overlap and interrelate. The design must be not only structurally sound and appropriate for the use and location, but must also be financially possible to build, and legal to use. The financial structure must be adequate to build the design provided and must pay amounts that are legally owed. Legal structures integrate design with other activities and enforce financial and other construction processes.

These processes also affect procurement strategies. Clients may, for example, appoint a business to design the project, after which a competitive process is undertaken to appoint a lead contractor to construct the asset (design–bid–build); they may appoint a business to lead both design and construction (design-build); or they may directly appoint a designer, contractor and specialist subcontractors (construction management).[16] Some forms of procurement emphasize collaborative relationships (partnering, alliancing) between the client, the contractor, and other stakeholders within a construction project, seeking to ameliorate often highly competitive and adversarial industry practices. DfMA (design for manufacture and assembly) approaches also emphasize early collaboration with manufacturers and suppliers regarding products and components.

Construction or refurbishment work in a "live" environment (where residents or businesses remain living in or operating on the site) requires particular care, planning and communication.[17]

Planning

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Digging the foundation for a building construction in Jakarta, Indonesia

When applicable, a proposed construction project must comply with local land-use planning policies including zoning and building code requirements. A project will normally be assessed (by the 'authority having jurisdiction', AHJ, typically the municipality where the project will be located) for its potential impacts on neighbouring properties, and upon existing infrastructure (transportation, social infrastructure, and utilities including water supply, sewerage, electricity, telecommunications, etc.). Data may be gathered through site analysis, site surveys and geotechnical investigations. Construction normally cannot start until planning permission has been granted, and may require preparatory work to ensure relevant infrastructure has been upgraded before building work can commence. Preparatory works will also include surveys of existing utility lines to avoid damage-causing outages and other hazardous situations.

Some legal requirements come from malum in se considerations, or the desire to prevent indisputably bad phenomena, e.g. explosions or bridge collapses. Other legal requirements come from malum prohibitum considerations, or factors that are a matter of custom or expectation, such as isolating businesses from a business district or residences from a residential district. An attorney may seek changes or exemptions in the law that governs the land where the building will be built, either by arguing that a rule is inapplicable (the bridge design will not cause a collapse), or that the custom is no longer needed (acceptance of live-work spaces has grown in the community).[18]

During the construction of a building, a municipal building inspector usually inspects the ongoing work periodically to ensure that construction adheres to the approved plans and the local building code. Once construction is complete, any later changes made to a building or other asset that affect safety, including its use, expansion, structural integrity, and fire protection, usually require municipality approval.

Finance

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Depending on the type of project, mortgage bankers, accountants, and cost engineers may participate in creating an overall plan for the financial management of a construction project. The presence of the mortgage banker is highly likely, even in relatively small projects since the owner's equity in the property is the most obvious source of funding for a building project. Accountants act to study the expected monetary flow over the life of the project and to monitor the payouts throughout the process. Professionals including cost engineers, estimators and quantity surveyors apply expertise to relate the work and materials involved to a proper valuation.

Financial planning ensures adequate safeguards and contingency plans are in place before the project is started, and ensures that the plan is properly executed over the life of the project. Construction projects can suffer from preventable financial problems.[19] Underbids happen when builders ask for too little money to complete the project. Cash flow problems exist when the present amount of funding cannot cover the current costs for labour and materials; such problems may arise even when the overall budget is adequate, presenting a temporary issue. Cost overruns with government projects have occurred when the contractor identified change orders or project changes that increased costs, which are not subject to competition from other firms as they have already been eliminated from consideration after the initial bid.[20] Fraud is also an issue of growing significance within construction.[21]

Large projects can involve highly complex financial plans and often start with a conceptual cost estimate performed by a building estimator. As portions of a project are completed, they may be sold, supplanting one lender or owner for another, while the logistical requirements of having the right trades and materials available for each stage of the building construction project carry forward. Public–private partnerships (PPPs) or private finance initiatives (PFIs) may also be used to help deliver major projects. According to McKinsey in 2019, the "vast majority of large construction projects go over budget and take 20% longer than expected".[22]

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Construction along Ontario Highway 401, widening the road from six to twelve travel lanes

A construction project is a complex net of construction contracts and other legal obligations, each of which all parties must carefully consider. A contract is the exchange of a set of obligations between two or more parties, and provides structures to manage issues. For example, construction delays can be costly, so construction contracts set out clear expectations and clear paths to manage delays. Poorly drafted contracts can lead to confusion and costly disputes.

At the start of a project, legal advisors seek to identify ambiguities and other potential sources of trouble in the contract structures, and to present options for preventing problems. During projects, they work to avoid and resolve conflicts that arise. In each case, the lawyer facilitates an exchange of obligations that matches the reality of the project.

Apartment complex under construction in Daegu, South Korea

Procurement

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Traditional or design-bid-build

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Design-bid-build is the most common and well-established method of construction procurement. In this arrangement, the architect, engineer or builder acts for the client as the project coordinator. They design the works, prepare specifications and design deliverables (models, drawings, etc.), administer the contract, tender the works, and manage the works from inception to completion. In parallel, there are direct contractual links between the client and the main contractor, who, in turn, has direct contractual relationships with subcontractors. The arrangement continues until the project is ready for handover.

Design-build

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Design-build became more common from the late 20th century, and involves the client contracting a single entity to provide design and construction. In some cases, the design-build package can also include finding the site, arranging funding and applying for all necessary statutory consents. Typically, the client invites several Design & Build (D&B) contractors to submit proposals to meet the project brief and then selects a preferred supplier. Often this will be a consortium involving a design firm and a contractor (sometimes more than one of each). In the United States, departments of transportation usually use design-build contracts as a way of progressing projects where states lack the skills or resources, particularly for very large projects.[23]

Construction management

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In a construction management arrangement, the client enters into separate contracts with the designer (architect or engineer), a construction manager, and individual trade contractors. The client takes on the contractual role, while the construction or project manager provides the active role of managing the separate trade contracts, and ensuring that they complete all work smoothly and effectively together. This approach is often used to speed up procurement processes, to allow the client greater flexibility in design variation throughout the contract, to enable the appointment of individual work contractors, to separate contractual responsibility on each individual throughout the contract, and to provide greater client control.

Design

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In the industrialized world, construction usually involves the translation of designs into reality. Most commonly (i.e.: in a design-bid-build project), the design team is employed by (i.e. in contract with) the property owner. Depending upon the type of project, a design team may include architects, civil engineers, mechanical engineers, electrical engineers, structural engineers, fire protection engineers, planning consultants, architectural consultants, and archaeological consultants. A 'lead designer' will normally be identified to help coordinate different disciplinary inputs to the overall design. This may be aided by integration of previously separate disciplines (often undertaken by separate firms) into multi-disciplinary firms with experts from all related fields,[24] or by firms establishing relationships to support design-build processes.

The increasing complexity of construction projects creates the need for design professionals trained in all phases of a project's life-cycle and develop an appreciation of the asset as an advanced technological system requiring close integration of many sub-systems and their individual components, including sustainability. For buildings, building engineering is an emerging discipline that attempts to meet this new challenge.

Traditionally, design has involved the production of sketches, architectural and engineering drawings, and specifications. Until the late 20th century, drawings were largely hand-drafted; adoption of computer-aided design (CAD) technologies then improved design productivity, while the 21st-century introduction of building information modeling (BIM) processes has involved the use of computer-generated models that can be used in their own right or to generate drawings and other visualisations as well as capturing non-geometric data about building components and systems.

On some projects, work on-site will not start until design work is largely complete; on others, some design work may be undertaken concurrently with the early stages of on-site activity (for example, work on a building's foundations may commence while designers are still working on the detailed designs of the building's internal spaces). Some projects may include elements that are designed for off-site construction (see also prefabrication and modular building) and are then delivered to the site ready for erection, installation or assembly.

On-site construction

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On-site foundation construction

Once contractors and other relevant professionals have been appointed and designs are sufficiently advanced, work may commence on the project site. Some projects require preliminary works, such as land preparation and levelling, demolition of existing structures (see below), or laying foundations, and there are circumstances where this work may be contracted for in advance of finalising the contract and costs for the whole project.

Typically, a construction site will include a secure perimeter to restrict unauthorised access, site access control points, office and welfare accommodation for personnel from the main contractor and other firms involved in the project team, and storage areas for materials, machinery and equipment. According to the McGraw-Hill Dictionary of Architecture and Construction's definition, construction may be said to have started when the first feature of the permanent structure has been put in place, such as pile driving, or the pouring of slabs or footings.[25]

Commissioning and handover

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Commissioning is the process of verifying that all subsystems of a new building (or other assets) work as intended to achieve the owner's project requirements and as designed by the project's architects and engineers.

Defects liability period

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A period after handover (or practical completion) during which the owner may identify any shortcomings in relation to the building specification ('defects'), with a view to the contractor correcting the defect.[26]

Maintenance, repair and improvement

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Maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, governmental, and residential installations.[27][28]

Demolition

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Demolition is the discipline of safely and efficiently tearing down buildings and other artificial structures. Demolition contrasts with deconstruction, which involves taking a building apart while carefully preserving valuable elements for reuse purposes (recycling – see also circular economy).

Industry scale and characteristics

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Economic activity

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Helicopter view of the Atacama Large Millimeter/submillimeter Array (ALMA) Operations Support Facility (OSF) construction site

The output of the global construction industry was worth an estimated $10.8 trillion in 2017, and in 2018 was forecast to rise to $12.9 trillion by 2022,[29] and to around $14.8 trillion in 2030.[3] As a sector, construction accounts for more than 10% of global GDP (in developed countries, construction comprises 6–9% of GDP),[30] and employs around 7% of the total employed workforce around the globe[31] (accounting for over 273 million full- and part-time jobs in 2014).[32] Since 2010,[33] China has been the world's largest single construction market.[34] The United States is the second largest construction market with a 2018 output of $1.581 trillion.[35]

  • In the United States in February 2020, around $1.4 trillion worth of construction work was in progress, according to the Census Bureau, of which just over $1.0 trillion was for the private sector (split roughly 55:45% between residential and nonresidential); the remainder was public sector, predominantly for state and local government.[36]
  • In Armenia, the construction sector experienced growth during the latter part of 2000s. Based on National Statistical Service, Armenia's construction sector generated approximately 20% of Armenia's GDP during the first and second quarters of 2007. In 2009, according to the World Bank, 30% of Armenia's economy was from construction sector.[37]
  • In Vietnam, the construction industry plays an important role in the national economy.[38][39][40] The Vietnamese construction industry has been one of the fastest growing in the Asia-Pacific region in recent years.[41][42] The market was valued at nearly $60 billion in 2021.[43] In the first half of 2022, Vietnam's construction industry growth rate reached 5.59%.[43][44][45] In 2022, Vietnam's construction industry accounted for more than 6% of the country's GDP, equivalent to over 589.7 billion Vietnamese dong.[46][47] The industry of industry and construction accounts for 38.26% of Vietnam's GDP.[48][49][50] At the same time, the industry is one of the most attractive industries for foreign direct investment (FDI) in recent years.[51][52][53]

Construction is a major source of employment in most countries; high reliance on small businesses, and under-representation of women are common traits. For example:

  • In the US, construction employed around 11.4m people in 2020, with a further 1.8m employed in architectural, engineering, and related professional services – equivalent to just over 8% of the total US workforce.[54] The construction workers were employed in over 843,000 organisations, of which 838,000 were privately held businesses.[55] In March 2016, 60.4% of construction workers were employed by businesses with fewer than 50 staff.[56] Women are substantially underrepresented (relative to their share of total employment), comprising 10.3% of the US construction workforce, and 25.9% of professional services workers, in 2019.[54]
  • The United Kingdom construction sector contributed £117 billion (6%) to UK GDP in 2018, and in 2019 employed 2.4m workers (6.6% of all jobs). These worked either for 343,000 'registered' construction businesses, or for 'unregistered' businesses, typically self-employed contractors;[57] just over one million small/medium-sized businesses, mainly self-employed individuals, worked in the sector in 2019, comprising about 18% of all UK businesses.[58] Women comprised 12.5% of the UK construction workforce.[59]

According to McKinsey research, productivity growth per worker in construction has lagged behind many other industries across different countries including in the United States and in European countries. In the United States, construction productivity per worker has declined by half since the 1960s.[60]

Construction GVA by country

[edit]
List of countries with the largest construction gross value added in 2018
Economy
Construction GVA in 2018 (billions in USD)
(01)  China
 
934.2
(02)  United States
 
839.1
(03)  Japan
 
275.5
(04)  India
 
201.2
(05)  Germany
 
180.5
(06)  United Kingdom
 
154.7
(07)  France
 
138.7
(08)  Canada
 
125.4
(09)  Russia
 
121.2
(10)  Australia
 
111.8
(11)  Indonesia
 
109.7
(12)  South Korea
 
93.0
(13)  Brazil
 
92.6
(14)  Mexico
 
89.0
(15)  Spain
 
80.0
(16)  Italy
 
78.9
(17)  Turkey
 
55.3
(18)  Saudi Arabia
 
40.2
(19)  Netherlands
 
39.5
(20)  Poland
 
39.4
(21)  Switzerland
 
36.3
(22)  United Arab Emirates
 
34.5
(23)  Sweden
 
33.3
(24)  Austria
 
27.2
(25)  Qatar
 
27.0

The twenty-five largest countries in the world by construction GVA (2018)[61]

Employment

[edit]
Ironworkers erecting the steel frame of a new building at Massachusetts General Hospital in Boston
A truck operator at Al Gamil, the largest construction company in Djibouti

Some workers may be engaged in manual labour[62] as unskilled or semi-skilled workers; they may be skilled tradespeople; or they may be supervisory or managerial personnel. Under safety legislation in the United Kingdom, for example, construction workers are defined as people "who work for or under the control of a contractor on a construction site";[63] in Canada, this can include people whose work includes ensuring conformance with building codes and regulations, and those who supervise other workers.[64]

Laborers comprise a large grouping in most national construction industries. In the United States, for example, in May 2023, the construction sector employed just over 7.9 million people, of whom 859,000 were laborers, while 3.7 million were construction trades workers (including 603,000 carpenters, 559,000 electricians, 385,000 plumbers, and 321,000 equipment operators).[65] Like most business sectors, there is also substantial white-collar employment in construction - out of 7.9 million US construction sector workers, 681,000 were recorded by the United States Department of Labor in May 2023 as in 'office and administrative support occupations', 620,000 in 'management occupations' and 480,000 in 'business and financial operations occupations'.[65]

Large-scale construction requires collaboration across multiple disciplines. A project manager normally manages the budget on the job, and a construction manager, design engineer, construction engineer or architect supervises it. Those involved with the design and execution must consider zoning requirements and legal issues, environmental impact of the project, scheduling, budgeting and bidding, construction site safety, availability and transportation of building materials, logistics, and inconvenience to the public, including those caused by construction delays.

Some models and policy-making organisations promote the engagement of local labour in construction projects as a means of tackling social exclusion and addressing skill shortages. In the UK, the Joseph Rowntree Foundation reported in 2000 on 25 projects which had aimed to offer training and employment opportunities for locally based school leavers and unemployed people.[66] The Foundation published "a good practice resource book" in this regard at the same time.[67] Use of local labour and local materials were specified for the construction of the Danish Storebaelt bridge, but there were legal issues which were challenged in court and addressed by the European Court of Justice in 1993. The court held that a contract condition requiring use of local labour and local materials was incompatible with EU treaty principles.[68] Later UK guidance noted that social and employment clauses, where used, must be compatible with relevant EU regulation.[69] Employment of local labour was identified as one of several social issues which could potentially be incorporated in a sustainable procurement approach, although the interdepartmental Sustainable Procurement Group recognised that "there is far less scope to incorporate [such] social issues in public procurement than is the case with environmental issues".[70]

There are many routes to the different careers within the construction industry. There are three main tiers of construction workers based on educational background and training, which vary by country:

Unskilled and semi-skilled workers

[edit]

Unskilled and semi-skilled workers provide general site labor, often have few or no construction qualifications, and may receive basic site training.

Skilled tradespeople

[edit]

Skilled tradespeople have typically served apprenticeships (sometimes in labor unions) or received technical training; this group also includes on-site managers who possess extensive knowledge and experience in their craft or profession. Skilled manual occupations include carpenters, electricians, plumbers, ironworkers, heavy equipment operators and masons, as well as those involved in project management. In the UK these require further education qualifications, often in vocational subject areas, undertaken either directly after completing compulsory education or through "on the job" apprenticeships.[71]

Professional, technical or managerial personnel

[edit]

Professional, technical and managerial personnel often have higher education qualifications, usually graduate degrees, and are trained to design and manage construction processes. These roles require more training as they demand greater technical knowledge, and involve more legal responsibility. Example roles (and qualification routes) include:

  • Architect – Will usually have studied architecture to degree level, and then undertaken further study and gained professional experience. In many countries, the title of "architect" is protected by law, strictly limiting its use to qualified people.
  • Civil engineer – Typically holds a degree in a related subject and may only be eligible for membership of a professional institution (such as the UK's ICE) following completion of additional training and experience. In some jurisdictions, a new university graduate must hold a master's degree to become chartered,[a] and persons with bachelor's degrees may become Incorporated Engineers.
  • Building services engineer – May also be referred to as an "M&E" or "mechanical, electrical, and plumbing (MEP) engineer" and typically holds a degree in mechanical or electrical engineering.[a]
  • Project manager – Typically holds a 4-year or greater higher education qualification, but are often also qualified in another field such as architecture, civil engineering or quantity surveying.
  • Structural engineer – Typically holds a bachelor's or master's degree in structural engineering.[a]
  • Quantity surveyor – Typically holds a bachelor's degree in quantity surveying. UK chartered status is gained from the Royal Institution of Chartered Surveyors.

Safety

[edit]
At-risk workers without appropriate safety equipment

Construction is one of the most dangerous occupations in the world, incurring more occupational fatalities than any other sector in both the United States and in the European Union.[4][72] In the US in 2019, 1,061, or about 20%, of worker fatalities in private industry occurred in construction.[4] In 2017, more than a third of US construction fatalities (366 out of 971 total fatalities) were the result of falls;[73] in the UK, half of the average 36 fatalities per annum over a five-year period to 2021 were attributed to falls from height.[74] Proper safety equipment such as harnesses, hard hats and guardrails and procedures such as securing ladders and inspecting scaffolding can curtail the risk of occupational injuries in the construction industry.[75] Other major causes of fatalities in the construction industry include electrocution, transportation accidents, and trench cave-ins.[76]

Other safety risks for workers in construction include hearing loss due to high noise exposure, musculoskeletal injury, chemical exposure, and high levels of stress.[77] Besides that, the high turnover of workers in construction industry imposes a huge challenge of accomplishing the restructuring of work practices in individual workplaces or with individual workers.[citation needed] Construction has been identified by the National Institute for Occupational Safety and Health (NIOSH) as a priority industry sector in the National Occupational Research Agenda (NORA) to identify and provide intervention strategies regarding occupational health and safety issues.[78][79] A study conducted in 2022 found “significant effect of air pollution exposure on construction-related injuries and fatalities”, especially with the exposure of nitrogen dioxide.[80]

Sustainability

[edit]

Sustainability is an aspect of "green building", defined by the United States Environmental Protection Agency (EPA) as "the practice of creating structures and using processes that are environmentally responsible and resource-efficient throughout a building's life-cycle from siting to design, construction, operation, maintenance, renovation and deconstruction."[81]

Decarbonising construction

[edit]

The construction industry may require transformation at pace and at scale if it is to successfully contribute to achieving the target set out in The Paris Agreement of limiting global temperature rise to 1.5C above industrial levels.[82][83] The World Green Building Council has stated the buildings and infrastructure around the world can reach 40% less embodied carbon emissions but that this can only be achieved through urgent transformation.[84][85]

Conclusions from industry leaders have suggested that the net zero transformation is likely to be challenging for the construction industry, but it does present an opportunity. Action is demanded from governments, standards bodies, the construction sector, and the engineering profession to meet the decarbonising targets.[86]

In 2021, the National Engineering Policy Centre published its report Decarbonising Construction: Building a new net zero industry,[86] which outlined key areas to decarbonise the construction sector and the wider built environment. This report set out around 20 different recommendations to transform and decarbonise the construction sector, including recommendations for engineers, the construction industry and decision makers, plus outlined six-overarching ‘system levers’ where action taken now will result in rapid decarbonisation of the construction sector.[86] These levels are:

  • Setting and stipulating progressive targets for carbon reduction
  • Embedding quantitative whole-life carbon assessment into public procurement
  • Increasing design efficiency, materials reuse and retrofit of buildings
  • Improving whole-life carbon performance
  • Improving skills for net zero
  • Adopting a joined up, systems approach to decarbonisation across the construction sector and with other sectors

Progress is being made internationally to decarbonise the sector including improvements to sustainable procurement practice such as the CO2 performance ladder in the Netherlands and the Danish Partnership for Green Public Procurement.[87][88] There are also now demonstrations of applying the principles of circular economy practices in practice such as Circl, ABN AMRO's sustainable pavilion and the Brighton Waste House.[89][90][91]

See also

[edit]
  • Agile construction – Management system in the construction industry
  • Building material – Material which is used for construction purposes
  • Civil engineering – Engineering discipline focused on physical infrastructure
  • Commissioning (construction) – Process to ensure that all building systems perform according to the "Design Intent"
  • Environmental impact of concrete
  • Impervious surface – Artificial structures such as pavements covered with water-tight materials
  • Index of construction articles
  • Land degradation – Gradual destruction of land
  • List of tallest structures
  • List of tallest structures built before the 20th century
  • Modern methods of construction
  • Outline of construction – Overview of and topical guide to construction
  • Real estate development – Process that creates or renovates new or existing spaces
  • Structural robustness – Ability of a structure to withstand physical strain
  • Umarell – Bolognese slang term

icon Architecture portal icon Engineering portal

Notes

[edit]
  1. ^ a b c In the UK, the Chartered Engineer qualification is controlled by the Engineering Council, and is often achieved through membership of the relevant professional institution (ICE, CIBSE, IStructE, etc).

References

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