Design Factors Impacting on Building Maintenance

The factors of design that will influence the levels of future maintenance of general population complexes and works.

1. Introduction

Maintenance of general public buildings is matter for the constant development and preservation of the major infrastructure systems such as general public and private-owned buildings within the county which includes janitorial services, home heating, ventilation and air-con (HVAC), plumbing, electro-mechanical, landscaping, and backyard care services. General public works, on the other palm, handles safeguarding of sewer, sturdy misuse, drainage and parks, etc. Both general public buildings and works are grouped along and displayed by the State Administrator. Their activities are inter-connected and require cross-departmental and pre-maintenance coordination.

As the city grows constantly as time passes, the task facing the general public structures and works department at the State Council is to provide and maintain the above enough infrastructure and facilities regularly. Ensuring and completing maintenance to keep tempo with concurrency requirements for a number of works is still a huge problem for the County. The County has historically been struggling to match the necessity of culture within its premises. Although the public works is still partly funded by the united kingdom Authorities, the County's Community Works Trust Fund (PWTF) loans continued to be at near high record levels. Within this report, we will be discussing the design factors influencing the degrees of maintenance of general public properties and works.

2. Different degrees of maintenance for general population works at different zones

The State has tried to keep up a standard and consistent degree of maintenance throughout, for example, the more important and visible landscaped areas and parks around general public and private-owned properties. Under County Council regulations, it can only use funds accumulated from neighbourhood property owners and private agencies within a area for costs associated directly and within that given zone. In a few area areas, the evaluations allowed for legal reasons have never been sufficient to pay for basic maintenance costs, so essentially, some areas have been less funded for maintenance coverage. This is especially true when considering the costs essential to replace dying plant life and trees and shrubs, replace or repair vandalized equipment or refurbish more aged parks and irrigation systems [1]

Decisions for financing in certain areas were based on mailed ballots while others were not in favour of paying for extra maintenance and repair masks. Therefore, in order to keep the maintenance budget balanced, reductions and reductions have been made in the occurrence and kind of maintenance being performed in each of the under-funded areas. Essentially, the maintenance levels (or criteria) are different consequently of the variance in available money. Property owners and businesses will continue steadily to visit a difference in the levels of maintenance being provided throughout the many zones in the County.

The Council has developed priorities for services that a lot of affect the community, particularly when finances are small. In those zones where financing is not sufficient to pay for all of the maintenance required, the State Council has placed the following degrees of maintenance: low, medium and high, predicated on maintenance priorities: (i) protection items considered first and main, (ii) keeping parks safe, wide open and open to the general public, (ii) responding to vandalism, (iii) keeping turf and vegetable materials in healthy condition and (iv) eliminating, but not replacing, dead and dying herb materials and (v) thinning and scaling back again landscaping to lower maintenance requirements [2].

The County will also be making some improvements to lots of median landscaped areas. The aim is to make a one-time improvement, including the installation of low-maintenance surface covering. These work will eventually reduce future maintenance costs and help all zones to remain within their own costs.

3. Factors of design for open public buildings: A Case-Study Approach

Successfully designing, building and functioning high-performance buildings requires the building owner and all members of the look team to set goals to reduce future degrees of maintenance via minimization of energy use and environmental impact. The team should build these goals as early as possible in the design process and maintain them through the building occupation. One technique for obtaining high-performance building goals is to check out the energy design process. This technique commences in the pre-design stage and continues following the building is commissioned and occupied. Understanding which strategies are suitable for the building site and function, placing aggressive energy focuses on early and relying on advanced computer simulations to judge building design options are essential to the overall reliability process. The building envelope is designed first to reduce energy intake. The mechanical, electrical power and control systems are designed after optimizing the envelope design. Detailed specifications must accurately reflect the design intent. After engineering, the building is commissioned, the dog owner and providers are instructed on the perfect operation of the building and building operation documents are given for future maintenance guide. A case-study on an actual high-performance building shows how to use the look process to all public buildings of the future This building incorporates energy-efficient and alternative energy design features including day-lighting, unaggressive heating and cooling and better thermal envelope. All of this energy saving factors has been intentionally put in location to significantly reduce future maintenance needs and increase dependability of building functionalities [5]

In a traditional design process, the architectural team determines the building form and articulation of the faade, including orientation, shade, windowpane area and home window location. This architectural design is then handed off to the anatomist team, who designs the heating, ventilating, and air-conditioning (HVAC) system, ensures conformity with appropriate energy codes, and ensures appropriate degrees of environmental comfort for building occupants. From an engineer's perspective, energy dependability occurs by enhancing the look of the HVAC system. It really is then your engineer's goal to build a competent system within the context of the building envelope that is previously designed-the architectural decisions have been finalized and few changes can be produced to the envelope design [4]

For successful realization of low-energy buildings which are less vunerable to failures, an efficient design team must establish a cost-effective energy goal. Once a commitment to energy minimization has been made, the energy-design process can be used to guide the team towards good decision making and trade-off evaluation without sacrificing the building's programmatic requirements. The building must combine disaster immune (e. g. , in a position to function if no grid-power can be found). The design should meet or surpass all the functional and comfort requirements of the building. Low-energy design does not imply building occupants undergo conditions that are considered undesirable in traditional buildings.

The design team evolves a thorough understanding of the building site and building practical requirements. A qualitative analysis of these issues early on in the design process often contributes to later alternatives for minimizing potential building maintenance needs Many design strategies are applicable to most complexes however, each building is exclusive, and thus, will have unique trustworthiness design solutions [9].

Simulation of an base-case style of the building is done to identify maintenance minimization opportunities via low energy utilization using an hourly building simulation computer tool. This computer model simulates annual loads and optimum demands for heat, cooling, lighting, plug loads as well as for HVAC system fans and pumps to determine the energy-use account and the likelihood of possible failures of the base-case building.

The design team brainstorms possible solutions to dependability problems. At this time, the emphasis is on solutions associated with building geometry. Simulations are performed on variations of the base-case building relating to the list of possible solutions. Conditions that will have a deep affect on the architectural areas of the building are quantitatively explored prior to the conceptual design period. The power impact of every variant depends upon comparison to the original base-case building and also to the other variants. Computerized design tools bring all the architectural and anatomist pieces jointly to predict how the building's components will communicate. In other words, day-lighting systems, thermal issues and building control strategies may be attended to by different

building disciplines but successful included building performance can only be achieved by analyzing the interrelation between these components.

The conceptual design is the most challenging area of the building design process. It is vital that the stability features be built-into the architecture of the building. The objective is by using the architectural and envelope features to reduce energy charges for heating, cooling down, and lamps. Often, energy features that result the visual impact of the building can also provide as the main architectural aesthetic features, thereby saving costs. In the event the addition of an energy feature substantially escalates the building cost, it is evaluated with the cost-effectiveness conditions already established [6]

After the architectural features impacting energy use have been established, the computer model simulating the performance of the proposed building is updated to echo those decisions. A couple of simulations is then performed to steer decisions regarding the HVAC system and associated settings. These simulations are generally to optimize annual dependability of building lighting functions and the occupant comfort. The simulations may also be used to help properly size the equipment. Low-energy properties defy the industry norms used for equipment sizing. First cost benefits in substantially downsized equipment can frequently be used to pay for increased envelope energy features. At this time, you will see some iteration or trade-off between mechanical system decisions and architectural features; however, it is advisable to enhance the architectural features first. However the energy design process may boost the cost to design the building set alongside the traditional design process, the increased design cost is often offset by reductions in mistakes and decreased mechanised system cost. Fewer mistakes occur because attention was paid throughout the look process and even more effort is positioned on checking and review. Also, small mechanical systems require less space in the building (requiring less building to be built), and for that reason, lower capital costs.

Once the simulation work has been completed, occasional simulations will need to be performed as needed in response to unanticipated circumstances. This might are the need to ascertain if an alternative component really fits the energy related requirements or review of a construction details that must definitely be modified because of a problem on the development site. Scheduled plan reviews and site inspections are necessary to ensure that given details omitted from the ideas do not compromise the power design. A specific communication path between the constructor, building operator and the look team will help ensure that components are installed properly [10] Oftentimes, once building on a particular area is incorrectly completed, it can't be reinstalled and the building owner is compelled to live with the stability performance consequences.

The commissioning process includes examining all subsystems in the building to ensure that they operate as supposed. For example, inadequately calibrated economizer adjustments can bring excessively air or badly calibrated daylight receptors may not switch off the lamps, thus causing failure to the equipments. Periodic simulations will be required to help solve problems that emerge in this final phase and also to react to changes in building use that may occur after the building is occupied. The key would be that the controls function with the look purpose of the building. An excellent building quickly becomes a bad building with incorrect control strategies. In addition, it's important to educate the building owner, occupants and the maintenance staff to properly use the building systems as conceived by the design team. The building's performance can only be optimized if folks operating the systems understand how the systems interact. This would save cost of system errors resulting in malfunctions and would eventually reduce the need for future building maintenance.

4. Conclusion

Good construction procedures provide protection and minimum amount maintenance required for existing high-tech complexes and other features. Continued good appearance of these buildings depends upon the extent and quality of maintenance. The decision of materials and their use, alongside the types of surface finishes and other protective measures should be conducive to easy maintenance and upkeep.

An built in design procedure for private powerful buildings have been mentioned from engineering to commission. A minimal energy cost reduction was ideally proven early and retained throughout the look process. A set of alternatives for architectural design and energy efficiency was driven, including comprehensive day-lighting, natural ventilation, evaporative cooling down and unaggressive solar radiant warming. It's important to design a building that works together with the environment in which it is located to minimize the need for maintenance in the long run. The building architecture was formed based on the programmatic and energy goals for the project. High vertical elements are by natural means preferred to harmonize the building with the encompassing natural environment. The towers were also used to passively cool the building. An HVAC system was designed to work with the building. A PV system was installed to provide emergency ability and supplemental electric power when utility power can be obtained. The building development and energy costs was significantly less and much more reliable than a conventional one. This implies that sustainable buildings need not cost more without level maintenance requirements

REFERENCES

[1] A. H. Molof, C. J. Turkstra (1984). Infrastructure, maintenance and repair of general public works. New York Academy of Sciences.

[2] A. P. Chrest (2001). Car parking Structures: Planning, design, development, maintenance and repair. Kluwer Academics Publishers.

[3] Aia Pr (1993). Confronting the changes: New things to consider in the design and management of public-sector facilities.

[4] B. Chanter and P. Swallow (2000). Building Maintenance Management. Blackwell Knowledge.

[5] D. Hunns (1986). Human Factors in Trustworthiness and the Mindset of Marketing communications. International Journal of Quality and Stability Management, pp 22-37.

[6] E. D. Mills (1980). Building maintenance and preservation: a guide for design and management. Boston, Butterworths.

[7] E. Teicholz (2001). Service Design and Management Handbook. Mc-Graw Hill Companies.

[8] M. Ruff (1998). Sewer, gas and electric: THE GENERAL PUBLIC Works trilogy. Grove/Atlantic Press

[9] R. Lee and P. Wordsworth (2000). Lee's Building Maintenance Management. Blackwell Web publishers.

[10] S. B. Birch, Jr, Craftsman Reserve Co, R. Price and L. Nicholson (2001). General public Works Inspector Manual. Building News.

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