Exterior Renovation Surrey

Exterior Renovation Surrey

Home layout redesign

Fortunately, contacting them is straightforward and customer-friendly. Read more about Exterior Renovation Surrey here You've set the standard for transparency and reliability in Exterior Renovation Surrey's competitive housing market. What sets Canyon Property apart is their commitment to not just meeting, but exceeding your expectations. Learn more about Canyon Property Projects Ltd. here. Whether it's a dream kitchen that caters to your culinary adventures, a bathroom that serves as a spa-like retreat, or a living room that perfectly balances style and comfort, custom renovations allow you to bring these visions to life. Alternatively, personal loans can fill the gap. Learn more about Exterior Renovation Surrey here
At Canyon Property, we've built our reputation on delivering high-quality home renovations tailored to each client's unique needs. Their job isn't done until you're completely satisfied. Beyond customizing your living spaces, Canyon Property also prioritizes incorporating sustainable building practices into their projects. You'll feel good knowing your updated space contributes to a healthier planet. Drywall installation and repair
Their team didn't just meet our expectations; they exceeded them, ensuring every detail reflected our personal style while emphasizing sustainability.'Mike and Jenna R. recount, 'We were impressed with how Canyon Property Projects managed our home addition. The feedback was overwhelming, with the owner pointing out how the house's value skyrocketed after the renovation. As you imagine a future where your home evolves with your lifestyle, Canyon Property Projects offers the first step towards making that vision a reality. Financing options for renovation Canyon stands out for numerous reasons.
You'll start by sitting down with their team, where you're encouraged to share your ideas, preferences, and the dream look for your home. As we peel back the layers of Canyon Property Projects' success story, you'll discover there's more than meets the eye, inviting you to explore how they've become a pillar in Exterior Renovation Surrey's home renovation scene. They'll keep you in the loop at every stage, ensuring there are no surprises. Canyon Property Projects Ltd. is pioneering these transformations in Exterior Renovation Surrey, ensuring your kitchen isn't just a place to cook but a centerpiece for gatherings, creativity, and comfort.

This collaborative approach ensures that every detail of your renovation is a perfect match for your vision. Communication is key. We listen, suggest, and refine, ensuring the final design reflects your personality and meets your daily needs. You've got a vision for your home, and Canyon Property Projects Ltd. is here to bring it to life. This commitment is at the heart of their service.

You'll find our services cater to a broad spectrum. Bathroom renovation These are typically unsecured, meaning they don't require your home as collateral, but might carry higher interest rates. First, you'll reach out to their team, either through a quick call or by filling out an online form on their website. Your living room, previously a cluttered, confined space, has been opened up to become the heart of your home, where light floods in, adding warmth and depth to your daily life.

Whether you're dreaming of an open-plan layout or a sophisticated entertainment area, they're equipped to bring those visions to reality. Whether you're looking to enhance your curb appeal with a new deck or patio or need comprehensive landscaping services, we've got you covered. From the initial consultation to the final walkthrough, Canyon Property Projects made us feel like our project was their top priority. Laundry room renovation It's crucial for setting the project's direction and ensuring we're all on the same page.

They're not just changing homes; they're changing the way you live, one personalized space at a time. Canyon's team was professional, efficient, and their attention to detail was remarkable.'

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It's feedback like Sarah's that highlights the dedication and quality Canyon Property Projects brings to every project. Painting and wall finishes In the ever-evolving landscape of home improvement, many have found a haven in Canyon Property Projects for their renovation needs in Exterior Renovation Surrey. They've got a knack for keeping things running smoothly, no matter how complex your vision is. Luxury home remodeling Surrey

Citations and other links

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Don't forget to check out their social media profiles. Let's explore together how Canyon Property Projects could be the missing piece in turning your property dreams into reality. By incorporating advanced insulation materials and high-efficiency HVAC systems, they're not only reducing your carbon footprint but also slashing your energy bills. It's all about understanding your vision, so don't hold back.

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Let these images inspire your next home project and imagine the possibilities.

They've got a knack for seamlessly integrating tech solutions with hands-on expertise, which means you're not just getting a contractor; you're getting a finely-tuned team dedicated to making your vision a reality without the usual stress. Sarah M. shares, 'Canyon Property transformed our outdated kitchen into a modern, energy-efficient space. From initial design consultation to the final touches, we're with you every step of the way.

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These elements not only benefit the environment but can also save you money in the long run.

What really makes us stand out is our commitment to transparency and communication. Canyon Property doesn't stop at aesthetics; they ensure that each space is optimized for comfort, energy efficiency, and longevity. Your project could be their next success story, reflecting a perfect blend of aesthetics, functionality, and sustainability. Their project management approach is hands-on and proactive.

That's exactly what you get with Canyon Property Projects. They've got a specialist for that. At Canyon Property Projects, we're not just about fresh coats of paint and new fixtures; we're about reimagining your living space with innovations that blend style, efficiency, and sustainability. You'll find their team eager to discuss your project, whether you're contemplating a simple update or a comprehensive remodel. Garage conversion

Renovation Planning Exterior Renovation Surrey
Outdoor Living Renovation Exterior Renovation Surrey

Outdoor Living Renovation Exterior Renovation Surrey

You'll notice that our designs emphasize natural light, reducing the need for artificial lighting and further decreasing energy consumption. That's why they're dedicated to not only enhancing its functionality but also its warmth and welcoming atmosphere. It's clear they're not just building or renovating homes; they're crafting spaces that homeowners are proud to live in while also respecting the earth. You're involved in the decision-making process from start to finish. The project was completed on time and within budget, which was a huge relief.' This showcases Canyon Property Projects' commitment not just to aesthetics but also to punctuality and financial transparency.

Their project management isn't just about keeping things on track. They go deeper, sourcing materials that are both sustainable and locally available, cutting down on transportation emissions and supporting the local economy. This means you get a renovation that's not just beautiful and customized but also durable and long-lasting. Best renovation experts Surrey You'll see a plethora of projects ranging from cozy kitchen remodels to expansive backyard makeovers.

You'll receive a detailed breakdown of costs and a realistic project timeline, so you know exactly what to expect. We focus on functional design, energy efficiency, and incorporating smart home technology, all aimed at enhancing your living experience. You'll notice the difference this makes the moment you step into a space transformed by Canyon Property Projects. Our team of experts specializes in transforming spaces to reflect your unique style and improve functionality.

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If you're more comfortable communicating digitally, they've got you covered with an easy-to-use contact form on their website. At the heart of every project, you'll discover that exceeding client expectations is more than a goal for Canyon Property Projects; it's a steadfast commitment. Whether you're dreaming of a modern, open-plan kitchen or a luxurious, spa-like bathroom, they've got the expertise to bring those dreams to life. You'll see their impact in the parks they've revitalized and the public spaces they've enhanced, all part of their commitment to give back.

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Low-flow toilets, showerheads, and faucets are standard in their renovations, helping you save on water bills while preserving this precious resource. Canyon Property Projects has recently broadened its array of services, promising to cater to a more diverse set of home renovation requirements. Whether it's modernizing the living areas with state-of-the-art technology or turning your bathroom into a spa-like retreat, they've got the expertise to make it happen. They understand that it's not just a house they're renovating; it's your home. Your dream home is within reach, and they're here to guide you every step of the way.

Moreover, choosing them means supporting a local business that understands Exterior Renovation Surrey's unique character and building regulations.

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Their expert project management and high-quality craftsmanship resonate well with both realtors and property owners. Choosing Canyon Property for your renovation needs means investing in unparalleled expertise and quality, ensuring your Exterior Renovation Surrey home transformation is in the best hands. So, when you choose Canyon Property Projects, you're not just upgrading your home; you're becoming part of a larger story of community enhancement and legacy building.

Choosing Canyon Property means opting for peace of mind, knowing your home is in capable hands. Understanding the busy lives of their clients, Canyon Property Projects operates with extended hours. Through volunteer projects and partnerships with local organizations, Canyon Property Projects invests time and resources into initiatives that matter to you and your neighbors. We meticulously oversee every detail, ensuring the workmanship meets our exacting standards-and yours.

Stick around to uncover how their design process and client testimonials paint a picture of a home transformation journey that you won't want to miss out on. It's the precision in our work that sets your property apart, ensuring every corner, joint, and finish reflects our dedication to excellence. We listen carefully to your ideas and concerns, ensuring that communication remains open and consistent throughout the project. You'll find our services extend to the exterior of your home as well.

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Renovation Contractor Reviews Exterior Renovation Surrey

Our commitment to excellence extends beyond the aesthetics, focusing on functionality and durability. Earning the confidence of the local community stands as a cornerstone of Canyon Property Projects' success. We're looking for anything that might affect the renovation, from structural issues to potential enhancements. We always felt informed and involved in the decision-making, making it a truly collaborative experience.' Canyon Property Projects' emphasis on client involvement ensures that the final outcome reflects the homeowner's vision, further cementing their reputation for customer satisfaction.

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  16. Trusted renovation contractors Surrey
Following this, Canyon's experts will schedule a site visit to assess your space and better understand your renovation goals.

After reimagining your kitchen, consider how a full-scale renovation by Canyon Property Projects can transform your entire home into a masterpiece of design and comfort. As we move into the construction phase, you're kept in the loop with regular updates and progress reports. Renovations can be daunting, but with the right team, you'll navigate these hurdles with ease. The Canyon Property difference lies in their commitment to tailoring every project to the individual homeowner, ensuring that no two renovations are alike.

When you're looking to transform your home, you'll find that their approach is both refreshing and highly efficient. But it's not just about ticking boxes; it's about quality. Affordable home remodeling Surrey It's not just about delivering on time and budget; it's about adding value that you hadn't even considered. You've also made significant contributions to local causes and events, further embedding yourselves within the community fabric.

We can replace windows, doors, and insulation to enhance your home's energy performance, saving you money in the long run and contributing to a healthier planet. They recognize that your home is more than just a place to live; it's a reflection of your personality and a space where memories are made. Their ability to consistently exceed expectations is what sets them apart in the competitive renovation industry. As the morning sun peeks through the misty landscapes of Exterior Renovation Surrey, it illuminates not just the natural beauty of this region but also the expert craftsmanship of Canyon Property Projects, a name that's become synonymous with excellence in home improvements.

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This isn't just about seeing your space; it's about experiencing it. Let's make your dream home a reality without breaking the bank. Unlike the one-size-fits-all solutions you might find elsewhere, they dive deep into understanding what you envision for your home. Modern home renovation Surrey They'll discuss your preferences, lifestyle, and any unique elements you want to incorporate. We're thrilled with the result and the eco-friendly approach.' This sentiment is echoed across numerous testimonials, with many praising the team's ability to blend aesthetic appeal with environmental responsibility.
Another homeowner, Mike, highlights the efficiency of the process. 'They completed our extension on time, without skimping on quality or sustainability,' he notes, emphasizing the rarity of finding such dedication. Canyon Property manages every aspect of the renovation process, ensuring a seamless transition from old to new. They keep you in the loop at every stage of the project, ensuring there are no surprises. What sets them apart is their dedication to customer satisfaction.
They're not just changing homes; they're redefining expectations, turning every project into a bespoke masterpiece that mirrors the dreams of its inhabitants. Full-service renovation Surrey They're not just contractors; they're community members dedicated to enhancing the places they live and work in. Clients rave about their experiences, highlighting not just the quality of the work, but the team's commitment to sustainable practices. Their team of skilled professionals uses high-quality materials and pays meticulous attention to detail, guaranteeing that the finished product not only meets but exceeds your expectations.
Water conservation is also a key focus, with options for low-flow fixtures and rainwater harvesting systems that can significantly reduce your household's water footprint. They don't just renovate spaces; they transform them into personalized sanctuaries that reflect who you are. Lastly, expect a more personalized renovation experience, with services tailored to your specific desires and needs. They're mindful of water conservation too, recommending fixtures that reduce water usage without sacrificing functionality.

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Basement Apartment Exterior Renovation Surrey
Polybutylene
Names
Other names
polybutene-1, poly(1-butene), PB-1
Identifiers
ChemSpider
  • none
ECHA InfoCard 100.111.056 Edit this at Wikidata
Properties
(C4H8)n
Density 0.95 g/cm3[1]
Melting point 135 °C (275 °F; 408 K)[1]
Related compounds
Related compounds
1-butene (monomer)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Polybutylene (polybutene-1, poly(1-butene), PB-1) is a polyolefin or saturated polymer with the chemical formula (CH2CH(Et))n. Not be confused with polybutene, PB-1 is mainly used in piping.[2]

Production

[edit]

Polybutylene is produced by polymerisation of 1-butene using supported Ziegler–Natta catalysts.

Catalysts

[edit]

Isotactic PB-1 is produced commercially using two types of heterogeneous Ziegler–Natta catalysts.[3] The first type of catalyst contains two components, a solid pre-catalyst, the δ-crystalline form of TiCl3, and solution of an organoaluminum cocatalyst, such as Al(C2H5)3. The second type of pre-catalyst is supported. The active ingredient in the catalyst is TiCl4 and the support is microcrystalline MgCl2. These catalysts also contain special modifiers, organic compounds belonging to the classes of esters or ethers. The pre-catalysts are activated by combinations of organoaluminum compounds and other types of organic or organometallic modifiers. Two most important technological advantages of the supported catalysts are high productivity and a high fraction of the crystalline isotactic polymer they produce at 70–80 °C under standard polymerization conditions.[4][5][6]

Characteristics

[edit]

PB-1 is a high molecular weight, linear, isotactic, and semi-crystalline polymer. PB-1 combines typical characteristics of conventional polyolefins with certain properties of technical polymers.

PB-1, when applied as a pure or reinforced resin, can replace materials like metal, rubber and engineering polymers. It is also used synergistically as a blend element to modify the characteristics of other polyolefins like polypropylene and polyethylene. Because of its specific properties it is mainly used in pressure piping, flexible packaging, water heaters, compounding and hot melt adhesives.

Heated up to 190 °C and above, PB-1 can easily be compression moulded, injection moulded, blown to hollow parts, extruded, and welded. It does not tend to crack due to stress.[dubiousdiscuss] Because of its crystalline structure and high molecular weight, PB-1 has good resistance to hydrostatic pressure, showing very low creep even at elevated temperatures.[7] It is flexible, resists impact well and has good elastic recovery.[3][8]

Isotactic polybutylene crystallizes in three different forms. Crystallization from solution yields form-III with the melting point of 106.5 °C. Cooling from the melt results in the form II which has melting point of 124 °C and density of 0.89 g/cm3. At room temperature, it spontaneously converts into the form-I with the melting point of 135 °C and density of 0.95 g/cm3.[1]

PB-1 generally resists chemicals such as detergents, oils, fats, acids, bases, alcohol, ketones, aliphatic hydrocarbons and hot polar solutions (including water).[3] It shows lower resistance to aromatic and chlorinated hydrocarbons as well as oxidising acids than other polymers such as polysulfone and polyamide 6/6.[7] Additional features include excellent wet abrasion resistance, easy melt flowability (shear thinning), and good dispersion of fillers. It is compatible with polypropylene, ethylene propylene rubbers, and thermoplastic elastomers.

Some properties:[7]

Application areas

[edit]

Piping systems

[edit]

The main use of PB-1 is in flexible pressure piping systems for hot and cold drinking water distribution, pre-insulated district heating networks and surface heating and cooling systems. ISO 15876 defines the performance requirements of PB-1 piping systems.[9] PB-1's most notable characteristics are weldability, temperature resistance, flexibility and high hydrostatic pressure resistance. The material can be classified PB 125 with a minimum required strength (MRS) of 12.5 MPa. Other features include low noise transmission, low linear thermal expansion, no corrosion and calcification.

PB-1 piping systems are no longer being sold in North America (see "Class action lawsuits and removal from building code approved usage", below). The overall market share in Europe and Asia is rather small but PB-1 piping systems have shown a steady growth in recent years. In certain domestic markets, e.g. Kuwait, the United Kingdom, Korea and Spain, PB-1 piping systems have a strong position.[8]

Plastic packaging

[edit]

Several PB-1 grades are commercially available for various applications and conversion technologies (blown film, cast film, extrusion coating). There are two main fields of application:

  • Peelable easy-to-open packaging where PB-1 is used as blend component predominantly in polyethylene to tailor peel strength and peel quality, mainly in alimentary consumer packaging and medical packaging.
  • Lowering seal initiation temperature (SIT) of high speed packaging polypropylene based films. Blending PB-1 into polypropylene, heat sealing temperatures as low as 65 °C can be achieved, maintaining a broad sealing window and good optical film properties.

Hot melt adhesives

[edit]

PB-1 is compatible with a wide range of tackifier resins. It offers high cohesive and adhesive strength and helps tailoring the "open time" of the adhesive (up to 30 minutes) because of its slow crystallisation kinetics. It improves the thermal stability and the viscosity of the adhesive.[10]

Compounding and masterbatches

[edit]

PB-1 accepts very high filler loadings in excess of 70%. In combination with its low melting point it can be employed in halogen-free flame retardant composites or as masterbatch carrier for thermo-sensitive pigments. PB-1 disperses easily in other polyolefins, and at low concentration, acts as processing aid reducing torque and/or increasing throughput.

Thermal insulation

[edit]

PB-1 can be foamed.[11] The use of PB-1 foam as thermal insulation is of great advantage for district heating pipes, since the number of materials in the sandwich structure is reduced to one, facilitating its recycling.[12]

Other applications

[edit]

Other applications include domestic water heaters, electrical insulation, compression packaging, wire and cable, shoe soles, and polyolefin modification (thermal bonding, enhancing softness and flexibility of rigid compounds, increasing temperature resistance and compression set of soft compounds).

Environmental longevity

[edit]

Plumbing and heating systems made from PB-1 have been used in Europe and Asia for more than 30 years. First reference projects in district heating and floor heating systems in Germany and Austria from the early 1970s are still in operation today.[8]

One example is the installation of PB-1 pipes in the Vienna Geothermal Project (1974) where aggressive geothermal water is distributed at a service temperature of 54 °C and 10 bar pressure. Other pipe materials in the same installation failed or corroded and had been replaced in the meantime.[8]

International standards set minimum performance requirements for pipes made from PB-1 used in hot water applications. Standardized extrapolation methods predict lifetimes in excess of 50 years at 70 °C and 10 bar.[8]

Class action lawsuits and removal from building code approved usage

[edit]

Polybutylene plumbing was used in several million homes built in the United States from around 1978 to 1997. Problems with leaks and broken pipes led to a class action lawsuit, Cox v. Shell Oil, that was settled for $1 billion.[13][14] The leaks were associated with degradation of polybutylene exposed to chlorinated water.[15]

Polybutylene water pipes are no longer accepted by the United States building codes and have been the subject[16] of class action lawsuits in both Canada and the U.S.[17][18] The National Plumbing Code of Canada 1995 listed polybutylene piping as acceptable for use with the exception of recirculation plumbing. The piping was removed from the acceptable for use list in the 2005 issue of the standard.[19]

In Australia in March 2023, the Department of Mines, Industry Regulation and Safety reported that Australian homes built in 2019-2020 that had used a certain brand of polybutylene piping, had become the subject of an enquiry due to the significance of water leaks reported.[20][21]

There is evidence to suggest that the presence of chlorine and chloramine compounds in municipal water (often deliberately added to retard bacterial growth) will cause deterioration of the internal chemical structure of polybutylene piping and the associated acetal fittings.[22] The reaction with chlorinated water appears to be greatly accelerated by tensile stress, and is most often observed in material under highest mechanical stress such as at fittings, sharp bends, and kinks. Localized stress whitening of the material generally accompanies and precedes decomposition of the polymer. In extreme cases, this stress-activated chemical "corrosion" can lead to perforation and leakage within a few years, but it also may not fail for decades. Fittings with a soft compression seal can give adequate service life.[further explanation needed]

Because the chemical reaction of the water with the pipe occurs inside the pipe, it is often difficult to assess the extent of deterioration. The problem can cause both slow leaks and pipe bursting without any previous warning indication. The only long-term solution is to completely replace the polybutylene plumbing throughout the entire building.[23]

See also

[edit]

References

[edit]
  1. ^ a b c Mark Alger, Mark S. M. Alger (1997). Polymer science dictionary. Springer. p. 398. ISBN 978-0-412-60870-4.
  2. ^ Whiteley, Kenneth S.; Heggs, T. Geoffrey; Koch, Hartmut; Mawer, Ralph L.; Immel, Wolfgang (2000). "Polyolefins". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a21_487. ISBN 978-3527306732.
  3. ^ a b c d Charles A. Harper (2006). Handbook of plastics technologies: the complete guide to properties and performance. McGraw-Hill Professional. p. 17. ISBN 978-0-07-146068-2.
  4. ^ Hwo, Charles C.; Watkins, Larry K. Laminated film with improved tear strength, European Patent Application EP0459742, Publication date 12/04/1991
  5. ^ Boo-Deuk Kim et al. (2008) U.S. patent 7,442,489
  6. ^ Shimizu, Akihiko; Itakura, Keisuke; Otsu, Takayuki; Imoto, Minoru (1969). "Monomer-isomerization polymerization. VI. Isomerizations of butene-2 with TiCl3 or Al(C2H5)3–TiCl3 catalyst". Journal of Polymer Science Part A: Polymer Chemistry. 7 (11): 3119. Bibcode:1969JPoSA...7.3119S. doi:10.1002/pol.1969.150071108.
  7. ^ a b c d Freeman, Andrew; Mantell, Susan C.; Davidson, Jane H. (2005). "Mechanical performance of polysulfone, polybutylene, and polyamide 6/6 in hot chlorinated water". Solar Energy. 79 (6): 624–37. Bibcode:2005SoEn...79..624F. doi:10.1016/j.solener.2005.07.003.
  8. ^ a b c d e Polybutylene Archived November 30, 2006, at the Wayback Machine
  9. ^ ISO 15876-1:2003 iso.org
  10. ^ T.E. Rolando (1998). Solvent-Free Adhesives. iSmithers Rapra. p. 35. ISBN 978-1-85957-133-0.
  11. ^ Doyle, Lucía (2022-03-20). "Extrusion foaming behavior of polybutene-1. Toward single-material multifunctional sandwich structures". Journal of Applied Polymer Science. 139 (12). doi:10.1002/app.51816. ISSN 0021-8995.
  12. ^ Doyle Gutierrez, Lucia (2022-12-02). A Circular Economy Approach to Multifunctional Sandwich Structures: Polymeric Foams for District Heating Pre-Insulated Pipes (Thesis thesis). HafenCity Universität Hamburg. doi:10.34712/142.35.
  13. ^ Hensler, Deborah R.; Pace, Nicholas M.; Dombey-Moore, Bonita; Giddens, Beth; Gross, Jennifer; Moller, Erik K. (2000). "Polybutylene Plumbing Pipes Litigation: Cox v. Shell Oil". In Hensler, Deborah R. (ed.). Class action dilemmas: pursuing public goals for private gain. Santa Monica, CA: RAND Institute for Civil Justice. pp. 375–98. ISBN 978-0-8330-2601-9.
  14. ^ Schneider, Martin (November 21, 1999). "Pipe problem getting fixed". The Baltimore Sun. Archived from the original on 2012-06-04. Retrieved 2010-07-29.
  15. ^ Vibien, P.; Couch, J.; Oliphant, K.; Zhou, W.; Zhang, B.; Chudnovsky, A. (2001). "Assessing material performance in chlorinated potable water applications" (PDF). Book Institute of Materials. 759: 863–72. ISSN 1366-5510. Archived from the original (PDF) on 2010-06-22. Retrieved 2010-07-30. also published as: Vibien, P.; Couch, J.; Oliphant, K.; Zhou, W.; Zhang, B.; Chudnovsky, A. (2001). "Chlorine resistance testing of cross-linked polyethylene piping materials". ANTEC 2001 Proceedings. Boca Raton: CRC Press. pp. 2833–9. ISBN 978-1-58716-098-1.
  16. ^ Pipe dream is nightmare for many, Miami Herald - September 12, 1993
  17. ^ "DuPont USA Settlement of the Canadian Class Action Lawsuits". Archived from the original on 2011-07-06. Retrieved 2010-10-01.
  18. ^ Polybutylene Plumbing Pipe Leak Relief
  19. ^ "Polybutylene (Poly-B) Pressure Water Piping" (PDF). municipalaffairs.alberta.ca. Government of Alberta. 2012-01-06. Retrieved 2019-09-09.
  20. ^ "Information for owners of new homes with polybutylene plumbing pipes" (PDF). commerce.wa.gov.au. March 21, 2023. Archived (PDF) from the original on 12 November 2023. Retrieved November 12, 2023.
  21. ^ Batajtis, Damian (27 March 2023). "Comprehensive Guide to polybutylene Piping Issues and Solutions in Australia". Wizard Leak Detection. Archived from the original on 12 November 2023. Retrieved November 12, 2023.
  22. ^ Cause of failure in polybutylene pipe & acetal fittings http://www.polybutylene.com/poly.html
  23. ^ "Polybutylene Piping". PropEx.com. Archived from the original on 2015-08-29. Retrieved 2015-07-17.

Further reading

[edit]

A contractor[1][2] (North American English) or builder (British English),[3][4] is responsible for the day-to-day oversight of a construction site, management of vendors and trades, and the communication of information to all involved parties throughout the course of a building project.[5]

In the United States, a contractor may be a sole proprietor managing a project and performing labor or carpentry work, have a small staff, or may be a very large company managing billion dollar projects. Some builders build new homes, some are remodelers, some are developers.[6]

Description

[edit]

A general contractor is a construction manager employed by a client, usually upon the advice of the project's architect or engineer.[7] General Contractors are mainly responsible for the overall coordination of a project and may also act as building designer and construction foreman (a tradesman in charge of a crew).

A general contractor must first assess the project-specific documents (referred to as a bid, proposal, or tender documents). In the case of renovations, a site visit is required to get a better understanding of the project. Depending on the project delivery method, the general contractor will submit a fixed price proposal or bid, cost-plus price or an estimate. The general contractor considers the cost of home office overhead, general conditions, materials, and equipment, as well as the cost of labor, to provide the owner with a price for the project.

Contract documents may include drawings, project manuals (including general, supplementary, or special conditions and specifications), and addendum or modifications issued prior to proposal/bidding and prepared by a design professional, such as an architect.The general contractor may also assume the role of construction manager, responsible for overseeing the project while assuming financial and legal risks.There are several types of risks can occur include cost overruns, delays, and liabilities related to safety or contract breaches.

Prior to formal appointment, the selected general contractor to whom a client proposes to award a contract is often referred to as a "preferred contractor".[8]

Responsibilities

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A general contractor is responsible for providing all of the material, labor, equipment (such as heavy equipment and tools) and services necessary for the construction of the project. A general contractor often hires specialized subcontractors to perform all or portions of the construction work. When using subcontractors, the general contractor is responsible for overseeing the quality of all work performed by any and all of the workers and subcontractors.

It is a best practice for general contractors to prioritize safety on the job site, and they are generally responsible for ensuring that work takes place following safe practices.

A general contractor's responsibilities may include applying for building permits, advising the person they are hired by, securing the property, providing temporary utilities on site, managing personnel on site, providing site surveying and engineering, disposing or recycling of construction waste, monitoring schedules and cash flows, and maintaining accurate records.[9]

The general contractor may be responsible for some part of the design, referred to as the "contractor's design portion" (JCT terminology).[10]

United Kingdom, Commonwealth and Australia usage

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In the United Kingdom, Australia and some British Commonwealth countries, the term 'general contractor' was gradually superseded by builders during the early twentieth century.[citation needed] This was the term used by major professional, trade, and consumer organizations when issuing contracts for construction work, and thus the term 'general contractor' fell out of use except in large organizations where the main contractor is the top manager and a general contractor shares responsibilities with professional contractors.

General contractors who conduct work for government agencies are often referred to as "builders". This term is also used in contexts where the customer's immediate general contractor is permitted to sub-contract or circumstances are likely to involve sub-contracting to specialist operators e.g. in various public services.

United States and Asia usage

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In the United States and Asia, the terms general contractor (or simply "contractor"), prime contractor and main contractor are often interchangeable when referring to small local companies that perform residential work. These companies are represented by trade organizations such as the NAHB.[11]

Prime contractor

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Prime contractor is a term defined in the US law.[12][13] Statutory definitions of prime contract, prime contractor, subcontract, and subcontractor are in 41 U.S.C. § 8701.[14] The prime contractor term was already defined before the 8 March 1946 passage of An Act To eliminate the practice by subcontractors, under cost-plus-a-fixed-fee or cost reimbursable contacts of the United States, of paying fees or kick-backs, or of granting gifts or gratuities to employees of a cost-plus-a-fixed-fee or cost reimbursable prime contractors or of higher tier subcontractors for the purpose of securing the award of subcontracts or orders. (Pub. L.Tooltip Public Law (United States) 79–319, 60 Stat. 37)

Licensing requirements

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Licensing requirements to work legally on construction projects vary from locale to locale. In the United States, there are no federal licensing requirements to become a general contractor, but most US states require general contractors to obtain a local license to operate. It is the states' responsibility to define these requirements: for example, in the state of California, the requirements are stated as follows:

With a few exceptions, all businesses or individuals who work on any building, highway, road, parking facility, railroad, excavation, or other structure in California must be licensed by the California Contractors State License Board (CSLB) if the total cost of one or more contracts on the project is $500 or more.

In every state that requires a license, a surety bond is required as part of the licensing process, with the exception of Louisiana, where bonding requirements may vary in different parishes. Not all states require General Contractor licenses - these include Vermont, New Hampshire and Maine, among others.

Licensing qualifications

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Some general contractors obtain bachelor's degrees in construction science, building science, surveying, construction safety, or other disciplines.

General Contractors often learn about different aspects of construction, including masonry, carpentry, framing, and plumbing. Aspiring general contractors communicate with subcontractors and may learn the management skills they need to run their own company.

Experience in the construction industry as well as references from customers, business partners, or former employers are demanded. Some jurisdictions require candidates to provide proof of financing to own their own general contracting firm.

General Contractors often run their own business. They hire subcontractors to complete specialized construction work and may manage a team of plumbers, electricians, bricklayers, carpenters, iron workers, technicians, handymans, architects and roofers. General Contractors build their business by networking with potential clients, buying basic construction tools, and ensuring that their subcontractors complete high-quality work. General Contractors do not usually complete much construction work themselves, but they need to be familiar with construction techniques so they can manage workers effectively. Other reasons include access to specialist skills, flexible hiring and firing, and lower costs.

General contractor example

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A property owner or real estate developer develops a program of their needs and selects a site (often with an architect). The architect assembles a design team of consulting engineers and other experts to design the building and specify the building systems. Today contractors frequently participate on the design team by providing pre-design services such as providing estimations of the budget and scheduling requirements to improve the economy of the project. In other cases, the general contractor is hired at the close of the design phase. The owner, architect, and general contractor work closely together to meet deadlines and budget. The general contractor works with subcontractors to ensure quality standards; subcontractors specialise in areas such as electrical wiring, plumbing, masonry, etc.

See also

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References

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  1. ^ Davies, Nikolas, and Erkki Jokiniemi. Architect's illustrated pocket dictionary. Oxford: Architectural Press, 2011. 289. Print.
  2. ^ "Collins Dictionary".
  3. ^ "Merriam-Webster".
  4. ^ "Builder vs. Construction Manager".
  5. ^ Hendrickson, Chris. & Au, Tung (2000), The Design and Construction Process. Project Management for Construction: Fundamental Concepts for Owners, Engineers, Architects and Builders, chapter 3
  6. ^ "What's the difference between a developer and a builder?". Chicago Tribune. 2005-01-23. Retrieved 2023-07-18.
  7. ^ Shekhar, R. K. (2005), Academic Dictionary of Architecture, Delhi: Isha Books, 69
  8. ^ Law Insider Inc., Preferred Contractor(s definition [sic], accessed 21 March 2023
  9. ^ Allen, Edward, & Iano Joseph (2009). Fundamentals of Building Construction Materials and Methods. 5th ed. Hoboken, N.J.: John Wiley & Sons.
  10. ^ Joint Contracts Tribunal, Intermediate Building Contract with contractor’s design (ICD), current edition 2019, accessed 7 July 2021
  11. ^ "About NAHB". www.nahb.org. Retrieved 2023-07-18.
  12. ^ Nicastro 2023, p. 1.
  13. ^ Carril & Duggan 2020.
  14. ^ Nicastro 2023, p. 1, Note 5.

Sources

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Frequently Asked Questions

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