Posts in category: Article

Expenditure in Different Sectors

New construction work often has a problem where the developer who did the construction does not offer consultancy or interior design, forcing the owner to resort to a new firm. The whole thing is time-consuming, troublesome, and in some cases expensive. To avoid this problem, the developer should choose an agency that provides all kinds of facilities in construction, consultancy, or interior design.

Does fast construction offer a way out of conventional problems? The first thing to keep in mind when constructing a new building these days is to meet the needs of investors and developers, design teams need to design the building in a way that helps the contractor to develop fast and efficient construction strategies to make the project profitable. These needs can be met through fast construction. Fast construction has become popular in our country with time. Although working with this method is very challenging and not completely risk-free, this construction method has several advantages.

Affordable

There is no room for overspending in this method as the budget is fixed before the work starts. Rather, it is possible for the owner to invest in other sectors while keeping an eye on the budget during the work. For example, in the case of health-related facilities, the owner can reduce the construction budget and instead spend on more modern medical equipment. Because of the short planning time, both the owner and the contractor can calculate what the costs will be, so they can be prepared in advance. In fast construction, you can be freed from the two situations of not collecting money in the middle or overspending of the budget. It is most cost-effective to rely on an organization that can undertake the task of completing the construction work quickly while maintaining quality standards. Normally there is a tendency to change the design or other details in the middle of the construction work, this is not the case during fast construction. Rather, in this case, all the design and planning work is fixed at the very beginning, so that there is no need to make any new changes in the middle of the work.

Profitable

The biggest advantage of fast construction system is that the commercial work can be started quickly after the construction of the building is completed. It is natural that the faster the ability to reach the market or the customer society can be achieved, the faster the organization will see the business profit. For example, in the case of telecommunication or information technology providers, it may be the case that reaching customers with services before competitors are ready. Again, in the health sector, it may be to provide the latest equipment or to acquire the ability to provide quick patient care. First of all, they need to complete the construction of the building. That’s why if the construction work can be completed as soon as possible, then it is possible for the business to enter the market quickly.

Cost Savings

Due to fast construction, incidental costs naturally come down due to faster completion of building work. Although slightly risky, fast tracking is the most effective way to reduce construction time. This method accomplishes work by starting tasks that need to be done sequentially at the same time and maintaining consistency between them. It is the responsibility of the construction manager to keep the cost figures in line with the progress of the design work.

An experienced team with good communication skills basically keeps the budget within reach. Firms experienced in fast construction provide solutions to all problems under one roof. In other words, they can easily take care of all matters as they have skilled manpower to undertake consultancy and interior designing along with building construction. And due to working together, the cost comes down a bit. Due to these reasons, fast construction is becoming popular among industrial and commercial organizations to get the best construction solution quickly within a limited budget.

Author

Md. Asaduzzaman Russel

Architecture & Civil Technology

Daffodil Polytechnic Institute

The speed of economic development of Bangladesh is increasing in keeping with the rest of the world. New business ventures and investments are constantly coming to the market, experienced entrepreneurs are also expanding their operations. All in all, Bangladesh is currently passing through the most important period in its history of economic development. The need for private offices for businesses as a base for large-scale new ventures and investments cannot be overemphasized.

However, it is a very difficult decision for everyone to build their own building or move to a new office or rebuild an old office in terms of time and funding. If the construction of each building is time-consuming and expensive at the same time, then large business companies or groups have to face thousands of problems. In today’s era, fast construction is the most modern solution to the various obstacles faced by the owner in constructing or renovating an industrial or commercial building. Before talking about that, let’s take a look at what are the most common problems in the construction work of our country.

Budget

Contingency is a very common occurrence during construction work. Most of the time the cost of new construction or renovation exceeds the predetermined budget. And sometimes the owner is not satisfied with the finished work, they think that the work is not good in proportion to the cost! Even after having the estimated cost calculation given by the contractor, the market price of the materials, all the cost calculations, when it is seen that the cost is more than the initial calculation over time or the money cannot be collected in the middle – then both the owner-contractor parties are in trouble. And the easiest way to avoid this trouble is to complete the construction work quickly while maintaining the quality.

Contractor

There are also situations where the budget is not a problem, the owner is able to afford all the construction costs, but the contractor is the ghost. Maybe they are not punctual, maybe their behavior is very unprofessional. Whatever the reason, ultimately it is the owner who bears the brunt of the mistake. Especially if you are short on time, it is better to research the company you are hiring in advance rather than run the risk of screwing up midway.

Time

Lack of time is always a major problem in construction. Usually, during the long period of construction, the office has to be relocated to a temporary location, thereby halting much needed work. Lack of manpower, inefficiency of the contractor, adverse weather conditions or any accidents during the work etc. may take more time than the scheduled construction time. Therefore, if the competent contractor can guarantee the completion of the entire work in a very short time, is it not a better decision to give them the responsibility?

Quality of materials

If there is any problem with the quality of the materials used in the construction, it is noticed by the owner months or even years after the completion of the work. After realizing that the project has been done with substandard materials, there is really nothing to do but head over heels. Therefore, before starting the work, all kinds of inquiries should be made about the quality of the materials. And if those who are entrusted with the responsibility of construction, are fully aware of this, then that can be the best solution.

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Author

Md. Asaduzzaman Russel

Head of Department

Architecture & Civil Technology

Daffodil Polytechnic Institute

Electrical engineering is a rapidly evolving field that encompasses a wide range of technologies
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Written by,
Md. Husne Fahad
Instructor, Electrical Technology
Daffodil Polytechnic Institute

Wireless Communication is the quickest developing and most lively mechanical region in the  correspondence field. Remote Correspondence is a strategy for sending data from one highlight  to another, without utilizing any association like wires, links, or any medium. We live in a Universe  of correspondence and Remote Correspondence, specifically, is a vital piece of our lives. A  portion of the regularly involved Remote Correspondence Frameworks in our day-to-day life are  Cell Phones, GPS Beneficiaries, Controllers, Bluetooth Sound, and Wi-Fi, and so on. Wireless  networks are less expensive to introduce and keep up with. Information is communicated quicker  and at a high velocity. Diminished upkeep and establishment costs contrasted with one more  type of organization. Remote organizations can be gotten to from any place, whenever. 

Main Application of wireless communication systems are Satellite system, Television remote  control, Wi-Fi, Paging system, Wi-Max, Security systems, Cellphones, Computer interface devices,  Bluetooth, GPS, GSM. The interconnection of frameworks, individuals, or things with the  assistance of correspondence media can be alluded to as an organization. The sort of  correspondence that utilizes electromagnetic waves as correspondence media for sending and  getting information or voice is called remote correspondence. The electromagnetic range is  separated into a distinct channel for information transmission. Some most attractive advantages  are mentioned here: 

1.Freedom from wires: Can be configured with any physical connection. 

2.Easy to setup: Wireless network is easy to expand and setup 

3.Better or global coverage: It provides global reach by providing networking in places such as  rural areas, battlefields, etc… where wiring is not feasible. 

4.Flexibility: Wireless network is more flexible and adaptable compared to a wired network. 

5.Cost-effectiveness: The wireless network is relatively cheaper since it is easy to install and  doesn’t require cables. 

6.Mobile and portable: Wireless network is easy to carry and re-install in another place. 7.Mobility -: It has good mobility of usage. 

Every system has some advantages and disadvantages. Wireless system also has disadvantages 1.As communication is done through open space, it is less secure. 

2.Unreliability 

3.More open to interference. 

4.Increased chance of jamming.

5.Transmission speed is comparably less. 

7.it has a limited amount of bandwidth for communication and breaches of network security. 8.Wireless networks can be easily hacked. 

9.Wireless networks require a careful radio frequency when they are installed. 

10.Wireless networks are usually inexpensive, but the cost of installation is very high, and  setting up a wireless network is very costly. 

Technical Challenges Faced In Network. Most Notably. They Are As Follows: multipath propagation 

spectrum limitations; 

energy limitations; 

user mobility; 

noise limited systems; 

interference limited systems. 

The developing interest for incredibly high-information rate administrations, along with arising  progressed Web of Things (IoT) and Industry 4.0 applications carry new specialized difficulties to  remote correspondences. New help classes, for example, ultra-HD video and multisensory  augmented reality, push for significantly higher unearthly proficiency, and the investigation of  outrageous recurrence groups. Remote correspondence frameworks are conveying a developing  measure of private data. The telecom idea of remote transmissions, notwithstanding, makes the  sent data powerless against snooping. To actually uphold different profoundly mysterious  delicate applications, novel transmission advancements ought to apply to work with or even  improve data mystery. For instance, the secure execution of remote transmission could be  improved by investigating remote engendering attributes, as in actual layer security technology.  The challenge is the manner by which to maximally profit from such investigation while regarding  the protection of genuine clients. Inventive transmission answers for mystery and protection  improvement are of incredible proceeding with interest to the remote local area. 

The range appropriate for remote interchanges is turning out to be progressively scant, which  persuades the investigation of new range groups, including millimeter-wave and tera-Hertz (THz).  While getting a charge out of bigger data transfer capacity, the inclusion region over these higher  RF groups is by and large a lot more modest because of their higher proliferation misfortune. The  most famous relief arrangement is to apply directional beamforming transmission innovation.  One more answer for address range shortage is to work on the use of the current range through  mental radio transmission. Optional access to under-used radio range can oblige IoT applications with a less severe nature of administration prerequisites. In the meantime, the achievement 

sending of optional framework depends upon proficient range detecting and channel assessment  calculations for asset compelled IoT gadgets. 

Figure: Wireless system 

Another direction to accommodate the growing demand for wireless services is to improve  system resource utilization with a novel system structure. A large-scale collaborative cell-free  network structure can overcome the limitations of static resource allocation of traditional cellular  systems. The test is the means by which to understand the potential exhibition gains with  adequate framework intricacy and execution cost, related to continuous channel assessment,  synchronization in time and recurrence areas, and joint handling at completely associated base  stations. 

Compelling remote access methods are crucial for people in the future of remote  correspondence frameworks to in a general sense meet the rigid necessities, which incorporate  extremely high phantom effectiveness, exceptionally low idleness, enormous gadget network,  extremely high reachable information rate, ultrahigh dependability, fantastic client decency, high  throughput, backing to different nature of-administration (QoS), energy proficiency, and a  sensational decrease in the expense. Future remote organizations are imagined to have powerful  geography in nature in light of organization densification, wherein clients will have numerous  associations so client affiliation choices will turn into a precarious part. Describing the climate  elements to guarantee that the framework makes the most of this new geography will be urgent  in the up-and-coming age of remote organizations 

New coding and adjustment plans are significant in future remote organizations to guarantee  that the reachable additions anticipated by the hypothesis can be acknowledged by and by. In  particular, high-level channel coding and regulation plans along with space-air-ground submerged coordinated organizations can serve to genuinely satisfy the enormous network all  over the place and like clockwork. Besides, to give a lot higher unearthly effectiveness in future  remote organizations, a decent technique is to embrace better balance and channel coding plans  or new regulation assets.

To help different arising applications, new assets and impedance the board plans are normal in  future remote organizations. From this point of view, AI-based methods have drawn colossal  interest because of their capacity to further develop framework execution and lessen the  computational expense. 

Numerous specialized difficulties are to be addressed to fulfilling severe and clashing  prerequisites for future remote frameworks, including exceptionally high ghostly proficiency,  extremely low idleness, enormous gadget network, extremely high feasible information rate,  super high dependability, magnificent client decency, high throughput, different nature of 

administration, energy productivity, and an emotional expense decrease. The field of remote  correspondences will observe many energizing mechanical leaps forwards soon. 

Tithy Chakrabartty 

Instructor 

Department of Telecommunication