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This assignment is designed to test the following learning outcomes which are derived from the module descriptor:
Demonstrate a working knowledge of the construction of low and high-rise buildings both commercial and residential.
Report competently on strategic issues in relation to environmental and sustainable construction methods.
Demonstrate critical knowledge of building regulations and building control procedures.
Demonstrate the ability to competently specify the building technologies involved in the construction of complex structures.

Roofing System

The portal refers to the method of constructing and designing structures in which the two-dimensional rigid frames with the basic properties of the rigid joint are placed between the beam and the column for proper utilization. The major reason for using this particular technique for the design and the construction is to ensure that there is a proper deduction in the bending moments in the beam. This application allows the frame to be used as one structural unit. When this kind of the application is put in place, the size of the structural element can be possibly lowered while allowing for the increase of the span for the same size of the structural elements. As a result of this kind of the technique, the portal frame is regarded as the most reliable and efficient method of the construction for those buildings with the long span(Nowak and Collins 2012).

The portal frame is normally used in the low rise structures that are made up of the beam, pitched rafters and columns that are connected by the moment resisting connections. The resistance to the lateral and the vertical actions is normally provided by the suitable haunch or the deepening of the sections of the rafters. This kind of the structure of the continuous frame is normally stable in its plane and it provides a clear span that is never obstructed by the bracing. In most of the cases, the application of the  construction of the portal frame is at the single level structures band it is normally seen in the construction of the factories, bans, warehouse and other places where large open spaces are required at cheaper prices and there is acceptance of the pitched roof

A portal frame is normally made up of the transverse frames that are in series and are braced longitudinally. The primary steelwork is made up of the columns and the rafters that make the form bracing and the portal frame. The light gauge secondary steelwork comprises the side rails which are used for the walls and the purlins that are applied for the roof. The study focuses on the elements of the building identified in London as the warehouse and other high-rise buildings.

Cladding Of the System

A rooftop is a piece of a building envelope. It is the covering on the highest piece of a building or sanctuary which gives protection from creatures and climate, quite rain or snow, yet in adding warmth, wind and daylight. The word likewise means the encircling or structure which underpins that covering. The girts and purlins offer support for rooftop sheeting and cladding. The purlins are normally chilly steel areas and in most cases are associated with beam utilization projection which can be blasted or welded on the crossbeam amid the procedure of manufacture concept. The purlin is typically rushed to the fitting. Girts and security work is situated among purlins and rooftop sheeting.

Girts allude to the chilly steel segments that are rushed to the spikes of the segments within the entrance rafters guaranteeing support for the wall cladding. The girts and purlins in the chosen building unit are the 'C' sections. The 'C' areas are butt jointed. The purlins rely upon the cladding to counterbalance the avoidance and winding because of the arrangement of the purlins, yet a solitary column of the standard connecting pieces is typically required. The qualities of a rooftop are needy upon the motivation behind the building that it covers, the accessible roofing materials and the close conventions of construction. This provides more extensive ideas of engineering structure and practice and may likewise be administered by neighborhood or regional implementation.

 In many nations, a rooftop secures principally against rain. A verandah might be roofed with material that ensures against daylight, however, concedes alternate components. The top of the commercial structure shields places nearby from cold, wind, and rain, however much it concedes light.

The material congregations were used for the roofing of the building under the study were checked constantly for 15 days, starting on April thirteenth to Nov 27th, 2018. The observing time frame was amid what might be thought about spring season for the zone. An aggregate of 6 Elitech LCD USB temperature data loggers was set at the outside rooftop surfaces and inside the storage room of every module to measure temperatures. The data loggers were customized to record temperatures at 5- minute interims. The figure illustrated below shows or represents the area of every datum data loggers. Encompassing temperature, relative moistness, sky conditions, wind bearing, and wind speed recorded at 8– minute interims were gotten from the closest climate station in the areas, accessible on an online database (NOAA's National Centers for Environmental Information, 2018). For examination of the field estimations, temperatures were found the middle value of over every hour interim.

In order to ensure that there is an improvement on the performance of the roofing system, the material that is used for the roofing should be replaced on the regular basis. The recorded high temperatures on the rooftop imply that the material used should have a higher reflective capacity.

The cladding is any material used to cover a structure's external surface. Picture a defensive layer over a surface like a rooftop or outside divider. Similarly, as your skin secures inside bones and organs, cladding ensures against the components and shields against ecological conditions. Cladding doesn't need to be waterproof, yet it frequently controls how components hit or fall on a surface. Consider how a shiny cap enables rain to slide off of you instead of splashing your dress. Cladding can likewise serve a beautifying capacity, to conceal a more auxiliary yet maybe not alluring substrate (which is more grounded material that underlies a surface and goes about as a stabilizer).

The cladding has been utilized in design for quite a while. Over the ages, materials have fluctuated. From antiquated occasions through the nineteenth century, it was generally a hard substance like cedarwood or stone, or a material impervious to consumption like copper, metal, and bronze. Such metals will respond with the components (copper turns green, for instance), however, regardless they secure what's underneath them.

How was cladding connected to a building under study? It regularly included an outside layer of individual blocks, earth tiles, or covering shingles, which could be held set up by a layer of mortar, or by wood or metal pegs. Once in a while the tiles or blocks were covered or potentially layered against a segment of trim, a bit of wood or other material put at the convergence of corners, a rooftop edge, or other section to fill in as a cladding material(Naert and Leeflang 2013).

The top of the commercial unit which was chosen for study is cladded by utilization of disguised settled Cladco products.  These are solid, powerful and adaptable wall and rooftop cladding materials. This kind of materials more often than not consolidates the shrewd fluted skillet, the quality of steel and the bolt activity rib which cooperate with the securing, empowers its utilization on the applications from low pitched which is as low as 1-degree rooftops to the even and vertically ribbed walling. The figure beneath demonstrates the rooftop covers that are utilized in the modern unit under the study.

he zinc/aluminum composite covered steel. The second grade of Cladco products of steel is the shading bond prepainted steel. Both of this evaluations have a metal thickness of 0.48mm

A ceiling refers to the overhead interior that covers the upper limit of the building or room. The components of the ceiling are never considered as the structural element. It is normally regarded as a finished surface that conceals the underside of the roof structure. The ceiling can be possibly decorated to provide taste. The building under study exhibited two particular plan difficulties: the first started from the customer's prerequisites – how to expound a building relationship and develop limits between the different capacities. The second turned into a more profound addressing of how to approach structure with regards to a legacy building. The multifaceted nature of the project required a high level of ceiling between the different regions. Some portion of the flood zone was to be assigned for lasting Crew Collective workers and was to contain meeting rooms and in addition other commercial uses(Lee,Jung, Park,  Lee and Yoon 2013). Different zones were to be leased to independent laborers either constantly or continuously, with these specialists additionally requiring access to meeting rooms. In summary, brief specialists or people, in general, could likewise utilize the bistro and the work areas for a couple of hours, have Wi-Fi access, and lockers for their very own PCs as required. These conditions were intended to make a stream and empower associations between constant and experienced specialists. The perfect ceiling was therefore considered one of the attractive features of the building(Thompson, Macfarlan and Lorincz  2016).

The plan was intended to encourage this stream by making straightforward and translucent ceiling between the different office spaces and commercial rooms. An intricate arrangement of glass walls was raised between the different zones, with a characterized access to mirror level of permanency for every user group. Unique bank employee stands, going once again from the old design, must be held. As a result, they turned into a characteristic outskirt between the bistro space and the meeting rooms that, thus, made a partition between the more open spaces and the constant operation to support users. Transparent ceiling with lots of reflection allowed for daily operation with the use of natural light sources.

Metal plated steel was chosen for most ceiling components in areas to differentiate the current metal teller stands and metal suspended light apparatuses(Kirby et al 2015). The new metal plated steel segments are basic and geometric; subsequently, exceptionally contemporary. The study was to characterize an intercession that would fit in well, yet offer something new.

Improvement means

Confronted with this legacy mood, the structure must be adjusted to express, reuse and regard the current highlights, and additionally at the same time permitting a contemporary, watchful mediation for the contemporary personality of the firm to exist. The new structure coordinated metal plated steel all through, settled to square-shaped negligible nooks, with the end goal to associate yet additionally add the difference to the current resplendent metal components. The meeting rooms were separated by walls secured with metal plated steel and encased with glass allotments an FGN and an even plane of a roof. By occurrence, they wound up identifying with the paper compartments in the old unattached teller stands where stores were noted.

The recommended ceiling should include: 'regarding different materials, solid boards, hot-moved steel, rock, and white oak. These are wealthy on the surface, example, shading, and patina. They are preferred since they are not static and each piece has its very own identity. The structures are contemporary, yet the materials are to some degree durable. The new plan remains a sort of auxiliary component, enabling the first working to be the essential tasteful. It is just by being in the space for a specific measure of time that visitors can truly welcome the new changes in the ceiling.

Door/Window and Mechanical System Usage

The building that was under the study used the approach of mechanical systems alongside windows and doors for the ventilation processes. The ventilation parameters that were specifically used included the following:

  • Doors and window
  • Mechanical appliances and exhaust fans
  • Cooling systems/Forced air heating.

Use of windows and Doors

The users of the building under the study were asked which windows and doors, assuming any, they use for ventilation. Composed logs and a composition utensil were put on the glass or board, close where the window or door was opened. The users of the building utilized these logs to record the time, length, and frequency of the window or door use. The windows or doors that were confirmed as failing to be utilized were not furnished with window composed logs. The building users were likewise requested to recognize the two windows or doors that were most every now and again utilized for ventilation(Ma et al 2012). Attractive state lumberjacks were taped to these two windows or doors to record the time and period that the window or door was opened. Estimations of all window and door greatest opening space in the building were gathered. The opening width and stature were estimated utilizing a measuring tape.

Use of Mechanical Exhaust Systems

For washroom or pantry deplete fans, ac?field information lumberjacks were set over the deplete grille in the region of the fan engine for the two fans that the mortgage holders distinguished as utilized the most. For these fumes fans with information lumberjacks, no composed logs were introduced. For any extra fumes fans, past the two outfitted with information lumberjacks, composed logs and a composition gadget were put close to the fan switch/clock for the mortgage holders to log the use. For washroom and pantry deplete fans that are implied to keep running consistently, for example, HRVs, the property holder was addressed about the use and for those HRVs that were accounted for to work discontinuously, either a composed log or an ac?field information lumberjack was introduced.

 For garments dryer debilitate machines, an ac?field information lumberjack was snared straightforwardly onto the control line of the dryer utilizing a zip?tie, and electrical tape if necessary, or an ac?field sensor was clasped to the power rope and connected specifically to the information lumberjack. For kitchen go hood deplete fans, composed logs, and composition gadgets were set on the walls or microwave close to the fan switch for the property users to log the use and fan speed(Galetakis, Alevizos and Leventakis 2012).

 All washroom and pantry debilitate fan wind current rates were resolved to utilize a balometers flow hood. Where the fumes channel was available along the outside mass of the building, kitchen run hood debilitate fan wind stream rates were resolved to utilize a balometers flow hood. For those homes where the fumes conduit was not available, the normal airspeed was estimated at the hood air channels and the channel measurements were gathered utilizing a measuring tape. Where the fumes conduit was open along the outside mass of the building the dryer debilitate wind stream rate was resolved to utilize a barometer flow hood. The identified exhaust system of the building as per the study was as shown below.

There were two kinds of DOA frameworks identified in the field study: those with manual dampers and those with programmed dampers and fan cycles. The activity of the DOA frameworks with manual dampers is combined with the activity of the FAU, so the utilization was gathered by the ac?field lumberjack that checked the FAU fan activity. The DOA frameworks with programmed dampers and fan cycles were checked utilizing a hand-off and state lumberjack mix. An attractive tape or zip?tie was utilized to anchor the information lumberjack with a hand-off to the damper control and lead wires were affixed with gator clasps to the damper 24 VDC engine wiring associations. The methodology used to compute the wind flow rates of DOA frameworks was to quantify the normal velocity through the outside air conduit with a 29 velocity measurement gadget while the FAU is working and after that to decide the conduit measurements with a measuring tape.

Warmth recuperation ventilators that were recognized included two?fan frameworks; ordinarily one fan/channel framework debilitates air from restrooms and clothing/utility rooms to the outside, and another fan/pipe framework supplies open air to the sitting room. The exhausts and open-air streams are ducted through an air?to?air warm exchanger with the goal that the outside air is warmed by the hot air amid the warming season and cooled by the fumes air amid the cooling season. The HRVs were ordinarily worked constantly and were accordingly not checked with either an information lumberjack or composed log. The clients of the building were interviewed about use, and for those HRVs that were accounted for to be worked irregularly, either a composed log or an ac?field data logger was introduced utilizing a zip?tie or tape to anchor the data logger. The methodology used to quantify the wind flow rates of HRVs was a barometer flow hood. The HRV open-air wind flow rates were estimated at the single outside air supply and air diffuser. There were two sorts of nightmare cooling ventilation frameworks experienced in the field study: WHF frameworks and FAU RAD frameworks. The methodology used to quantify the wind stream rates of the RAD frameworks was a barometer stream hood at the arrival air flame broil.

In order to improve the performance of the cooling and the ventilation system, several measures can be put into use. The methodology used to gauge the wind current rates of the WHF frameworks was to quantify the normal velocity over the air flow in the places with a hot wire anemometer and duplicate the velocity by the fumes consumption measurements. This methodology was utilized for the WHF frameworks as opposed to the barometer stream hood, as a result of the lot higher wind current rates related with the WHF frameworks. There was likewise one room with a window fan comprising of a versatile fan framework that is embedded specifically into the window and one home with an evaporative cooling (EC) framework. The EC framework was discrete from the FAU framework and comprised of a rooftop mounted fan framework that pulled open air through evaporative cooling cushions and conveyed the air to a focal supply air grille. The window fan framework use was checked utilizing composed logs and the EC framework utilization was estimated as portrayed for the WHF frameworks. The wind flow rates of the window fan framework and the EC framework were estimated as depicted for the WHF frameworks (Cuéllar and Azapagic 2012).

Fire is one of the real concerns while breaking down the potential dangers of buildings. To confront undesired circumstances usually is to introduce fire security frameworks in an approach to forestall fire event or to ensure structures are protected against such occasions. In these cases, it is normal to have all around structured frameworks and in addition great establishment methods. Anyway, the issue depends after this phase where it is required some regard for issues identified with test and support that are not met(Cole, Dhakal and Turner 2012). This article addresses this issue showing the danger of not recognizing very proper ways that will keep the safety hindrance of having an effective activity when it will be required in a genuine fire circumstance. It has likewise demonstrated the significance of having a test and protective arrangements and how to set up the recurrence of those exercises.

In the event that one considers fire protection estimates that are normally present in substantial structures usually to check the presence of security measures whatever dynamic or uninvolved or physically or consequently impelled, the safety becomes the priority. Actually, because of enactment objectives or individual security concerns these frameworks are introduced to ensure the building and its contents are protected from the dangers of fire. The building that was under the study had fire protection system sample like the one shown below.

In this particular structure, a few measures and directions have been produced to guarantee a legitimate structure, establishment, support, and task of such frameworks and maintain a strategic distance from, limit or alleviate fire occasions. In this specific viewpoint, a reference ought to be done to the Conventional Fire Protection Association (CFPA) that has been for over a century the pioneer on innovative work of gadgets and on the production of models and direction about fire safety.

Typically these frameworks remain idle for extensive stretches or if there should arise an occurrence of programmed frameworks, in a lethargic mode. The alleged concealed failure is just frequently identified through occasional investigations or tests and subsequently, it is imperative to guarantee such methodology in an approach to ensure high fire safety levels. Concerning fire security frameworks it is seen that the building plan and establishment are not an issue within the structure under the study. In light of this, the designer of this building focused on the rest of the existence time of such gear and on their successful task(Breeding, Basile,  Smith,Black  and Mahendra 2015).

Fire hazard assessment is the procedure in which the likelihood of an undesired occasion and its results are assessed in a safety point of view. The right reception of security estimates will diminish hazard. In this specific angle, fire chance relies upon all preventive and defensive measures introduced which influence the likelihood of an event. In any case, it is key to guarantee that these measures stay operational for the duration of the time(Breiding, Basile, Smith, Black and Mahendra 2015). Identified with this problem most scholars allude an investigation completed in Switzerland for a time of around 10 years detailing around 335000 fire cases in structures. Just in Berna's canton happened 1538 fires in modern structures equivalent to 45070 million dollars loss. Another examination performed in Great Britain [2] alludes that around 800 people die and around 15000 are harmed every year because of fire incidences. These and different tributes are adequate to comprehend the effect of fire protection and the presence of a fire hazard evaluation(Olivieri et al 2014).

In the chosen building under the study, a few measures have been set up to guarantee that occurrences of fire are limited for example there are latent fire security measures, dynamic fire insurance measures and fire caution and recognition framework. The latent fire security frameworks are the measures that have been set up to guarantee that the spread of smoke and fire is controlled. That is accomplished as a rule by the utilization of hindrances which have qualities which don't permit the additional spread of fire.

The dynamic fire security measures are the ones whereby the firefighting equipment is set up to guarantee safety if there should be an occurrence of fire. The fire can be rapidly put off in such events. In the chosen building there were fire quenchers, sprinklers and another component which help to battle the fire(Aaker 2012).

  • The following can be done to improve the fire protection services
  • Fire alarm system to be conducted von the weekly basis
  • Testing of the emergency lighting
  • Servicing of the fire extinguishers at least after every six months
  • Clearance of the escape routes.

Conclusion

In conclusion, a commercial low rise and high rise outline structure more often than not include a progression of transverse casings which are propped longitudinally. The essential steelwork is comprised of rafters and sections, which makes the shape gateway casings and supporting. The peak edge can be either an entrance outline or a propped plan of sections and rafters. The variables which are normally put into thought amid the plan of the balancing framework are; kind of the structure, the soil conditions, monetary elements, basic loadings, development issues and the proposed construction time frame. Of every one of these components, basic stacking and the soil condition are the most fundamental amid the structure procedure of the cladding in terms of reflection. The roofing framework which is appropriately planned can fundamentally diminish or limit the differential settlement which happens when the heaviness of the structure focuses on the soil.

The light check optional steelwork is comprised of the side rails which are utilized for the walls and the purlins that are utilized for the rooftop. The optional steelwork offers support to the building cladding, yet it likewise assumes an extremely critical job in controlling the essential steelwork. The wall cladding and the rooftop isolates the building surface from the outside condition and additionally offering acoustic and warm protection.

References

Aaker, D.A., 2012. Building strong brands. Simon and Schuster.

Breeding, M., Basile, K.C., Smith, S.G., Black, M.C. and Mahendra, R.R., 2015. Intimate partner violence surveillance: uniform definitions and recommended data elements. Version 2.0.

Cole, G.L., Dhakal, R.P. and Turner, F.M., 2012. Building pounding damage observed in the 2011 Christchurch earthquake. Earthquake Engineering & Structural Dynamics, 41(5), pp.893-913.

Cuéllar-Franca, R.M. and Azapagic, A., 2012. Environmental impacts of the UK residential sector: life cycle assessment of houses. Building and Environment, 54, pp.86-99.

Fokaides, P.A., Kylie, A. and Kalogirou, S.A., 2015. Phase change materials (PCMs) integrated into transparent building elements: a review. Materials for Renewable and Sustainable Energy, 4(2), p.6.

Galetakis, M., Alevizos, G. and Leventakis, K., 2012. Evaluation of fine limestone quarry by-products, for the production of building elements–An experimental approach. Construction and building materials, 26(1), pp.122-130.

Kirby, M.A., Burdo, R., Keating, V.W., Ozaki, E.T., Mangan, M.J. and Von Novak, W.H., Qualcomm Inc, 2015. Wireless power transfer for furnishings and building elements. UK. Patent 9,184,632.

Lee, J.W., Jung, H.J., Park, J.Y., Lee, J.B. and Yoon, Y., 2013. Optimization of building window system in UK regions by analyzing solar heat gain and daylighting elements. Renewable energy, 50, pp.522-531.

Leferink, A., Schipper, D., Arts, E., Vrij, E., Rivron, N., Karperien, M., Mittmann, K., van Blitterswijk, C., Moroni, L. and Truckenmüller, R., 2014. Engineered Micro?Objects as Scaffolding Elements in Cellular Building Blocks for Bottom?Up Tissue Engineering Approaches. Advanced materials, 26(16), pp.2592-2599.

Lumantarna, E., Lam, N. and Wilson, J., 2013. Displacement-controlled behavior of asymmetrical single-story building models. Journal of Earthquake Engineering, 17(6), pp.902-917.

Ma, Z., Cooper, P., Daly, D. and Ledo, L., 2012. Existing building retrofits: Methodology and state-of-the-art. Energy and buildings, 55, pp.889-902.

Naert, P.A. and Leeflang, P.S., 2013. Building implementable marketing models. Springer Science & Business Media.

Nowak, A.S. and Collins, K.R., 2012. Reliability of structures. CRC Press.

Olivieri, L., Caamaño-Martín, E., Moralejo-Vázquez, F.J., Martín-Chivelet, N., Olivieri, F. and Neila-Gonzalez, F.J., 2014. Energy saving potential of semi-transparent photovoltaic elements for building integration. Energy, 76, pp.572-583.

Ramli, N.H., 2012. Re-adaptation of Malay house thermal comfort design elements into modern building elements– a Case study of Selangor traditional Malay house & low energy building in Malaysia. Iranica Journal of Energy & Environment, 3, pp.19-23.

Thompson, P.J., Macfarlan, T.S. and Lorincz, M.C., 2016. Long terminal repeats: from parasitic elements to building blocks of the transcriptional regulatory repertoire. Molecular Cell, 62(5), pp.766-776.

Vintzileou, E., 2014. Testing historic masonry elements and/or building models. In Perspectives on European Earthquake Engineering and Seismology (pp. 267-307). Springer, Cham.

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