Impact Prefabrication Technology (Pre Engineering) and Equipments on Profitability in Construction Industry

Because employing the PEB approach results in a 20% lower project cost than using the conventional way, the PEB method is more cost-effective than the latter. Compared to traditional, PEB erection takes less time. In the case of PEB, welding is not necessary because the material is transported on-site and only bolting is carried out. In PEB, tapered sections are utilised, whereas uniform sections are used in the traditional approach, requiring more steel. As a result, PEB constructions are significantly lighter than traditional steel buildings. Future growth is not conceivable with the standard technique, but it is simple to accomplish using PEB. Concept Pre-engineered and pre-fabricated steel building systems are part of the PEB concept. The PEB concept's foundation is on the provision of sections just as needed at a given area. The "Bending Moment Diagram" allows the parts to alter throughout the length. As a result, non-prismatic stiff frames with skinny parts are used. To create this design, tapered I sections composed of thin plates that have been built up are employed. Utilising the least expensive portion results in efficient cost and steel savings. You may suppose that the profile steel decking has a Young's modulus of 210 GPa and a design strength of 0.93 times the characteristic strength or specified yield strength. In PEB, decking and cladding are often made of steel or aluminium. The affordable, simple, and easy-to-install tough-fastened, lapped-seam roofing is prone to leaks because fasteners are embedded in it. Therefore, modern buildings feature standing-seam metal roofs, which are made of metal panels that run vertically on the roof deck. Each panel of a standing-seam roof has two seams that stand up vertically and are sealed by being Traditional building requires more time than PEB structure does. To finish a typical structure, a lot of money is needed, not to mention a lot of manpower. All of this is surpassed by PEB construction, which makes the job of PEB building producers simple. A PEB construction is undoubtedly the most economical option. But it is also prized for its potential to be recycled. Practically any material may be recycled. It is simple to disassemble the prefabricated building if you need to for whatever reason. There won't be much waste in it. A PEB structure may be built quickly and easily. The building frame is essentially created from scratch at the factory, and it is then put together on the construction site. As a result, PEB is the ideal choice and aids in business growth. Pre-engineered structures can be swiftly built, making them the preferred construction technique for the government's infrastructure push. The PEB technology is the best option since it is simple and produces results quickly. As a result, demand is increasing in both the public and private sectors. This comprises cold storage, multi-story buildings, industrial sheds, and storage facilities. Housing is in ever-greater demand due to the growing population. PEB saves the day since it is a quick building method and provides design flexibility. Pre- fabricated structures are becoming more and more popular all around the world, and India is no exception. In the following years, the pre-fab sector is expected to change the market. Pre-engineered structures are favoured in earthquake- prone areas since they are comparatively earthquake resistant and extremely durable. PEB structures were only utilised in a few industries, but today they are appearing everywhere. Today, all types of structures, including low rise, medium rise, and skyscrapers, employ PEB. The advantages of prefabricated constructions are displacing those of conventional construction. For steel constructions, PEB technology offers the crucial design freedom. This is significant since no other building style offers this amount of benefit.

Because of the enormous advantages that pre-engineered structures have to offer, they have become quite popular. It is simple to assemble, affordable, and according to the evidence available, dates to the late 18th century. Fire outbreaks in British cotton mills were renowned for resulting in severe damage. As a result, at the end of the eighteenth century, metal, primarily cast iron, was used to make the framework and columns of mill buildings. Standardised engineering building designs were originally sold as PEBs in the 1960s. The main frame component of a pre-engineered building has traditionally been an assemblage of I-shaped members, sometimes known as I-beams.

Pre-Engineered buildings were largely used in North America and the Middle East. Since that time, the usage of pre-engineered buildings has become increasingly common throughout Asia and Africa, where the PEB construction idea is now well-liked and respected. Pre-engineered structures are now being used by an increasing number of well-known worldwide contractors and designers who previously only selected conventional structural steel buildings. They now benefit from the quicker building cycle brought about by this approach, as well as considerable cost reductions. From excavation through occupation, no other construction method compares to the Pre-Engineered construction system in terms of speed and cost. Pre-engineered steel structures have several benefits, which are largely to blame for the industry's phenomenal rise over the past 50 years.. These advantages include: 1. Low Initial Cost 2. Superior Quality 3. Fast Project Construction 4. Functional Versatility 5. Architectural Flexibility 6. Low Maintenance Costs.[1] Present Era In the 1960s, the esoteric phrase "Pre-Engineered Buildings" was coined. The structures were referred to as "pre-engineered" because, like their forebears,

development of metal buildings due to a number of variables. Previously, the greatest clear-span capacities of metal structures were continually growing due to advancing technology. When rigid-frame construction was initially developed in the late 1940s, it could only span 40 feet. Buildings of 50, 60, and 70 feet might be constructed in a short period of time. In the late 1950s, sturdy frames with spans of 100 feet were manufactured, and ribbed metal panels were made available, allowing the structure to shed its previous, worn-out corrugated aspect.

With the introduction of computers in the early 1960s, the design possibilities nearly reached infinity. In the late 1950s and early 1960s, a new metal-building boom resulted from the interaction of all these elements. The structures might legitimately be referred to as pre-engineered as long as buyers could restrict typical designs. The term "pre-engineered building" started to be used somewhat misleadingly until the industry began to provide custom-designed metal buildings to meet the unique demands of each customer While "Pre-Engineered Building" is still a commonly used phrase, the industry now prefers to refer to their product as "Metal Building Systems." During the Second World War, portal frames' fundamental structural design was created. Although they have been utilised in spans as long as 80 metres, portal frames typically have a 30 to 40 metre span. But it is profitable when you take the utilisation of multi-bay constructions above 40 metres in span into account. Pre-engineered steel structures are ones that are designed, fully constructed in the factory, and transported to the site in a Completely Knocked Down (CKD) condition. All components are then assembled and erected at the site with nut-bolts, shortening the construction period. Additionally, steel constructions are easier to disassemble and have higher strength-to-weight ratios than Reinforced Cement Concrete (RCC). Pre-Engineered Buildings feature bolted connections and may thus be put back together after being taken apart.

anticipated to expand. Pre-fabricated construction is presently one of the most popular technologies since it has several benefits. Cost-effectiveness, speedy construction, sustainability, toughness, recyclability, and design adaptability are a few of these.  The cost and time efficiency of prefabricated structural components results in long-term financial savings. Furthermore, technological improvements have made labour incredibly simple for Indian construction organisations. Indian PEB building firms employ technology that directly benefits clients. Construction is seeing a surge as a result of the ease and rising popularity of PEBs in order to meet consumer demand.  Traditional building is a time-consuming procedure in comparison to PEB structure. To finish a typical structure, a lot of money is needed, not to mention a lot of manpower. All of this is surpassed by PEB construction, which makes the job of PEB building producers simple.  Obviously, a PEB construction is the most economical option. But it is also prized for its potential to be recycled. Practically any material may be recycled. It is simple to disassemble the prefabricated building if you need to for whatever reason. There won't be much waste in it.  Building a PEB structure is simple. The building frame is essentially created from scratch at the factory, and it is then put together on the construction site. Due to this, PEB is the best option and helps the business to expand.  Pre-engineered structures can be swiftly built, making them the preferred construction technique for the government's infrastructure push. The PEB technology is the best option since it is simple and produces results quickly. As a result, demand is increasing in both the public and private sectors. This comprises cold storage, multi-story buildings, industrial sheds, and storage facilities.  The need for homes is always rising as the population grows. PEB saves the day since it is a quick building method and provides design flexibility. Pre-fabricated structures are becoming more and more popular all around the world, and India is no exception. In the following years, the pre-fab sector is expected to change the market.  Pre-engineered structures are favoured in earthquake-prone areas since they are comparatively earthquake resistant and extremely durable. PEB structures were only medium rise, and skyscrapers, are currently constructed using PEB. The advantages of prefabricated constructions are displacing those of conventional construction.

• To study Need of PEB system in current infrastructure

• To study and analysis the engineering properties of PEB Members

• To analyze the impact on quality and tine of PEB and Conventional Structures by taking suitable case study shifted and/or expanded as per the requirements in future.

Case Study : Details: It is a well-known maker of automobile components both in India and internationally. For the last twelve years, we have been providing the two-wheeler, stationary engine and gearbox system demands of numerous local and international clients on four continents. They offer tailored solutions for our clients' designs while taking their demands and requirements into consideration. Our clientele comprises top car OEMs from countries like India, Europe, the UK, the US, and ASEAN..

TIME FACTOR

Faster building is currently the most crucial component of an industry. 'Fast-Track' initiatives are introduced with the time issue in mind. The PEB idea is highly helpful for meeting deadlines or time constraints in steel constructions. Since the structure is "State of the Art," pre-fabricated, and made of light weight steel, there is no need for welding during construction. Welding free site leads takes less time and is more accurate, improving the structure's quality. Use of low weight steel facilitates handling, maintenance, and erection. Cranes used for erection have a smaller capacity and need less time overall.As we previously stated, bolting is the primary method of PEB assembly. By employing machine screw tightening rather of welding, connecting time is cut in half. The time needed for finding, sorting, and handling was reduced since manufactured PEB members were stacked in an assembly flow manner. It prevents members from becoming lost.

Pre-engineered steel buildings are affordable, strong, long-lasting, flexible in terms of design, adaptable, and recyclable. Pre-engineered steel buildings are made mostly of steel as its primary component. It contradicts local sources. Steel is the material that best matches the requirements of sustainable development since it is endlessly recyclable. Due to the effective utilisation of steel, pre engineered structures are typically 30% lighter. The main components of the framework are tapering built-up sections. With the substantial depths in the stress-prone places. used to inform basic design. programmes for specialised computer analysis and design to optimise material are needed. Additionally, computerised drafting uses common information to reduce the need for project-specific specifics. Manufacturers provide free erection drawings and design shop detail sketches. Typically, approval drawings are generated within two weeks. Pre-engineered building designers work on pre-engineered building designs and details practically every day of the year, which helps them continuously improve their designs.simple, lightweight, and easy to assemble. Connections are straightforward, which reduces the amount of time it takes to develop a structure. Based on significant experience with comparable buildings, both costs and construction time are precisely understood. The erection procedure is simpler, quicker, and requires far less equipment. Flexible low-weight frames are more resistant to earthquake forces. The cost per square metre is 30% less than for a traditional structure. Prefabrication reduces activities involving repetitive body movements, ergonomic challenges, and ergonomic problems, according to a study of the prefabrication process. Additionally, 92% of workers reported that using prefabrication preassembly reduced material handling hazards on the job site and reduced the need for scaffolding, which would reduce the risk of falls on the job site.

1. Aizaj Ahmad Zende, A. V. Kulkarni, Aslam Hutagi (2013). ―Comparative Study of Analysis and Design of Pre- Engineered-Buildings and Conventional Frames‖, IOSR Journal of Mechanical and Civil Engineering (IOSRJMCE), Vol. 5, Issue 1, Jan. – Feb.2013 2. Aijaz Ahmad Zende, Prof. A.V.Kulkarni, AslamHutagi, ― Comparative Study Of Analysis and Design Of PEB and Conventional Frames‖, ISOR Journal of Mechanical and Civil Engineering, VOL 5, Issue 1 (Jan- Feb 2013), PP 32-43. 3. C.M.Meera, ―Pre-Engineered Building Design of an Industrial Warehouse‖, ― IJESET, June 2013, volume 5, Issue 2, pp:75-82‖ 4. C. M. Meera (2013) ―Pre-engineered building design of An industrial warehouse‖IJESET volume 5. 5. Comparitive Study of Pre-Engineered Building and Truss Arrangement Building for Varying , Roshni Ramakrishnan Department of Civil Engineering, Datta Meghe College of Engineering

University, Coimbatore, India 7. Dr. N. Subramanian, ―Pre- Engineered Buildings selection of framing system, roofing and wall materials‖, the master builder- July 2008 8. Dr. N. Subramanian (2008), ―Pre-engineered Buildings Selection of Framing System, Roofing and Wall Materials‖, The Masterbuilder, pp. 48-6 9. Jain D. Thakar, Prof. P.G.Patel, ―Comparative Study of Pre-Engineered Steel Structure By Varying Width of Structure‖ , ‗Int J Adv Tech/IV/III/ July-Sept 2013/56-62‘. 10. Ms. Darshan P. Zood, ―Evaluationn of Pre-Engineering Structure Design By IS-800 as Against Pre-Engineering Structure Design By AISC‖, ‗IJER, Volume 1, Issue 5, July 2012‘. 11. N. Subramanian, ―Pre-Engineered Buildings Selection of Framing System, Roofing & Wall Materials,‖ The Masterbuilder, July 2008 12. ―Prefabrication In Developing Countries: A Case Study Of India‖ by Ryan E.Smith & Shilpa Narayanmurthy. 13. Technical Manual, Zamil Steel, Saudi Arabia, Pre-Engineered Buildings Division

Student of Masters, JSPM Imperial College of Engineering and Research