Home Repair And Renovation Surrey

Home Repair And Renovation Surrey

Project management

Imagine installing solar panels to cut down on electricity costs or incorporating rainwater harvesting systems to reduce your water bill and impact on the environment. When you're looking to revamp your home, they're the go-to experts in Home Repair And Renovation Surrey, offering unique solutions that breathe new life into every corner of your house. You've got to dig deep into what you want your property to look and feel like, considering both its aesthetic appeal and functionality. Learn more about Canyon Property Projects Ltd. here. Whether you're dreaming of a modern kitchen makeover, a luxurious bathroom renovation, or an expansive new addition, they listen intently to understand your vision. Clients express immense gratitude, noting how the team's expertise and creativity have transformed their properties. Learn more about Home Repair And Renovation Surrey here
That's where Canyon Property Projects Ltd. steps in, offering bespoke solutions that reflect your personal style and functional requirements. You'll find that their approach isn't just about reducing waste; it's about innovating solutions that benefit both you and the planet. These visual stories not only demonstrate our skill and attention to detail but also serve as a source of inspiration for your own home improvement projects. Entertainment room renovation You'll find them catching potential issues before they become problems, ensuring that the work is on track and up to par.
Their work is truly transformative.'Another testimonial highlights the company's professionalism and customer service: 'From start to finish, the communication was clear, and the project was completed on time and within budget. Choosing Canyon Property Projects Ltd. means you're opting for a hassle-free process, quality workmanship, and a home improvement partner who listens and delivers on your vision. You're looking for a home that reflects your personality and lifestyle, and we're here to make that vision a reality. Considering the potential damage and repair costs associated with a failure, the investment in replacing these pipes is well justified. Home energy audit
This level of service, combined with the quality of work, makes it clear why Canyon Property Projects Ltd has such a strong reputation in Home Repair And Renovation Surrey. From the initial consultation to the final walkthrough, they're with you every step of the way, offering personalized solutions tailored to your unique needs and preferences. With these upgrades, you'll not only boost your home's value but also enjoy a more luxurious and comfortable lifestyle. In their commitment to eco-friendliness, Canyon Property Projects Ltd. integrates sustainable building practices into every project, ensuring your home improvement isn't just visually appealing but environmentally responsible too.

Moving beyond the glowing testimonials, the Before and After Gallery showcases the tangible transformations achieved by Canyon Property Projects Ltd.

House remodeling experts

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Canyon Property Projects Ltd. boasts a team of highly skilled professionals, each expert in their respective fields, ensuring your project's success from start to finish. With Canyon Property Projects Ltd., you're getting more than just a skilled team; you're getting craftsmen dedicated to excellence. You'll find that their approach isn't just about making changes to your home; it's about transforming your living space with meticulous attention to detail and a deep respect for your vision. From the initial consultation to the final reveal, you're involved every step of the way, ensuring the end result is as unique as you are.
Each before and after photo pairs tell a story of potential realized. You might wonder what makes their work stand out. You'll find that our work spans across various styles and preferences, whether you're looking for a sleek contemporary bathroom upgrade or a traditional living room revamp. They also emphasize recycling and the reduction of waste during their construction processes.
From solar panels to smart thermostats and LED lighting, they're all about making your home more environmentally friendly and economical to run. Read more about Home Repair And Renovation Surrey here Embarking on your home improvement project with Canyon Property Projects Ltd. begins with understanding your unique needs and vision. Garage conversion If you're living in a home built during that period, it's crucial to check if Poly B pipes are part of your plumbing system. Water conservation is another key aspect of their sustainable practices.
Embarking on your home improvement journey, the design and planning phase is where your vision starts taking shape with precise and thoughtful guidance from Canyon Property Projects Ltd.

Door installation

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For homeowners, how will your needs evolve? They understand that each renovation project is as unique as the homeowner themselves, which is why they work closely with you to ensure that your specific desires and requirements are met with precision and care. This personalized approach to pricing means you won't encounter hidden fees or surprise costs halfway through your project.

Citations and other links

Home Renovation Packages Home Repair And Renovation Surrey

Moreover, Canyon Property Projects Ltd emphasizes energy efficiency. Their commitment to exceptional project management means you can relax, knowing your home improvement project is in good hands.

Bathroom tile renovation

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  • Accessible home design
  • Exterior home renovation
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  • Local home renovators Surrey
  • Surrey heritage home restoration
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  • Surrey kitchen and bath renovations
  • Outdoor kitchen installation
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  • Modern home renovation Surrey
  • Aging-in-place renovations
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In short, Canyon Property Projects Ltd.'s project management excellence means your commercial improvements aren't just completed; they're crafted to meet your highest standards, embodying efficiency, quality, and reliability. Canyon Property Projects Ltd. emphasizes the importance of quality material selection, guiding you through the plethora of options to find what best suits your vision and budget. This foresight prevents costly adjustments down the line, saving you time and money.

Canyon Property Projects Ltd. coordinates everything, keeping you informed with regular updates. They don't just renovate kitchens; they transform them into bespoke spaces that enhance your home's value and your quality of life. House remodeling experts You'll be part of a project that values the environment as much as it does craftsmanship. From kitchen and bathroom remodels to full-scale renovations and extensions, they've got you covered.

They'll identify and rectify any imperfections early on, saving you time and money in the long run.

Roofing and gutters

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This open line ensures that your feedback is heard and acted upon, making you an integral part of the process. Initially, they conduct a detailed inspection to understand the extent of the Poly B piping issue.

Custom home remodeling

  1. Bathroom renovation
  2. Sunroom addition
  3. Exterior painting
  4. Entryway remodeling
  5. Soundproofing renovation
  6. Drywall installation and repair
  7. Fireplace remodeling
  8. Laundry room renovation
  9. Kitchen cabinet replacement
  10. Structural renovation
  11. Renovation contractors
  12. Green home remodeling
  13. Energy-efficient renovations
  14. Porch renovation
  15. Wall removal services
From upgrading insulation to installing high-efficiency windows and doors, they've got you covered.

They understand that your kitchen isn't just a place to cook; it's the heart of your home, where memories are made and shared. Imagine walking into your home and having the lights adjust to your preferred settings, the temperature set just right, and your favorite music playing softly in the background. They prioritize sustainability and efficiency, integrating eco-friendly materials and smart home technologies. From modern kitchen remodels that breathe new life into your home to expansive outdoor living spaces designed for relaxation and entertainment, we've done it all.

Home Renovation Packages Home Repair And Renovation Surrey
Affordable Renovation Home Repair And Renovation Surrey

Affordable Renovation Home Repair And Renovation Surrey

Imagine standing in the heart of your newly transformed home, where every detail reflects your unique style and needs, thanks to the bespoke services offered by Canyon Property Projects Ltd. Our team is dedicated to keeping you informed and involved, recognizing that effective communication is key to a satisfying home improvement experience. Choosing Canyon Property Projects Ltd. means you're not just renovating your house; you're creating a home that reflects your personal style and meets your lifestyle needs. They'll keep you updated with regular progress reports, so you're never in the dark about how your project is shaping up.

Just as Canyon Property Projects Ltd transforms kitchens into culinary masterpieces, they also specialize in turning bathrooms into bespoke retreats tailored to your personal taste and needs. That's why their commitment to you doesn't end when the project does. Choosing Canyon Property Projects Ltd. means partnering with a team that values your time as much as you do.

They stand by the quality of their work, guaranteeing outcomes that exceed your expectations. This team isn't just good at what they do; they're passionate about turning your vision into reality.

Door installation

  • Garage conversion
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  • Laminate flooring installation
  • Residential remodeling
  • Whole house renovation
  • Home energy audit
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  • Toilet installation
  • Home remodeling consultation
  • Staircase renovation
  • Landscaping and hardscaping
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Yet, what sets them apart in a market flooded with contractors promising the world?

Canyon Property Projects Ltd. understands that going green isn't just a trend but a responsibility. Whether you're dreaming of a sleek, modern kitchen, a cozy, traditional living room, or a bathroom that feels like a spa retreat, we've got the creativity and expertise to bring those ideas to life. Their team doesn't just oversee the logistics; they're your partners in bringing your vision to life.

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What sets us apart isn't just the breadth of our work but the depth of our expertise. Roofing and gutters Ample storage and counter space allow for a clutter-free environment, enhancing the room's overall aesthetic. So, when you're ready to redefine your home's interior, remember that Canyon Property Projects Ltd is your go-to for exceptional design and decor solutions. Whether you're dreaming of a sleek, modern design or a warm, traditional feel, they've got the expertise to bring it to life.

Fortunately, this company has you covered with solutions that aren't only good for the planet but also for your health and wallet in the long run. So, when you choose them for your home improvement project, you're choosing a future-proof investment. Investing in a luxurious kitchen transformation with Canyon Property Projects Ltd doesn't just boost your home's value; it enriches your everyday life, making every meal a celebration and every moment spent in your kitchen a pleasure.

Understanding the importance of environmental conservation, Canyon Property Projects Ltd. offers a variety of eco-friendly options to make your home renovation sustainable. Let us handle the details, from initial design to final touches, ensuring your kitchen transformation is stress-free. Residential remodeling They're keen on introducing you to technologies that reduce your carbon footprint and save on energy costs.

They're not just about adding a deck or laying down some patio stones; they're reimagining your entire outdoor space to become a seamless part of your lifestyle. They know that no two projects are the same, which is why they've ditched the one-size-fits-all approach. They're not just about making it look good; they're committed to enhancing functionality, optimizing your space for both cooking and socializing.

Mudroom design
Basement Renovation Home Repair And Renovation Surrey
Kitchen Layout Redesign Home Repair And Renovation Surrey
Kitchen Layout Redesign Home Repair And Renovation Surrey

Bathrooms, previously cramped and dated, reveal spa-like retreats with luxurious fixtures and finishes. Whether you're dreaming of a modern kitchen makeover, a luxurious bathroom remodel, or even adding an entirely new room to your home, they've got you covered.

Attic renovation

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You'll be amazed at how spaces are completely reimagined, turning outdated rooms into modern havens. To ensure your home improvement project exceeds expectations, Canyon Property Projects Ltd. implements a rigorous quality control process at every phase. Whether it's installing low-flow toilets or rainwater harvesting systems, they've got the know-how to help you save water in every corner of your home.

You'll receive clear, detailed quotes and regular updates, ensuring there are no surprises. Their attention to detail and commitment to excellence is unmatched.' This sentiment is echoed by a homeowner, who says, 'They turned our vision into reality, improving our living space in ways we didn't think possible. But what exactly sets them apart in a market flooded with home improvement options? Moreover, they're not just about making your space look better.

By setting new standards in quality, they're not just transforming spaces; they're redefining what it means to live in luxury and comfort. It's an investment in the future, both yours and the planet's. Each before and after story is a journey of transformation, showcasing not just a change in space, but a change in how you feel about your home. From custom cabinetry to modern appliances, they work to enhance your cooking and dining experience.

Attic renovation

  1. Project management
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  13. Garage conversion
  14. Electrical renovations
  15. Custom home remodeling
  16. Laminate flooring installation
  17. Residential remodeling
  18. Whole house renovation
  19. Home energy audit


You'll be greeted with friendly, knowledgeable staff ready to guide you through the process, ensuring that your project gets off to a smooth start. They select premium materials that ensure durability, aesthetics, and efficiency. Custom home remodeling You're not left in the dark; instead, you're part of the journey, from conception to completion. With Canyon Property Projects Ltd., you're not just renovating your space; you're reinventing the way you live.

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Whether it's a bold door color or stylish window frames, these details matter. Their home automation solutions integrate seamlessly with your lifestyle, offering control over lighting, heating, entertainment systems, and security features through a single, user-friendly interface. Whether you're looking for sleek modern designs or cozy traditional aesthetics, their team has got you covered. It's not just about aesthetics; it's about making your home work better for you.
It's not just about slapping on a coat of paint; it's a comprehensive approach to revamping your home's first impression. It's not just about making your property look pretty; it's about creating a welcoming atmosphere that invites people in. Whole house renovation You're not just improving your space; you're investing in a home that's both personally satisfying and appealing to the Home Repair And Renovation Surrey market.
Moreover, Canyon Property Projects Ltd. adapts their strategies to align with your vision, budget, and schedule, showing a flexibility that's rare in the industry. They're all about flexibility and adaptability, ensuring that the final outcome not only meets but exceeds your expectations.

Basement waterproofing

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This is the reality that Canyon Property Projects Ltd.

Closet renovations

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is creating for homeowners across Home Repair And Renovation Surrey.
A home that looks neglected from the outside is harder to sell, regardless of its interior charms. It's all about creating a comfortable living space that's kind to the planet. Whether you're dreaming of a luxurious island for entertaining or innovative storage solutions to keep clutter at bay, we've got you covered.

Explore Home Repair And Renovation Surrey here
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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

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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

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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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