Performance Evaluation of Thermal Bridge Reduction Method for Balcony in Apartment Buildings

Most apartment buildings in South Korea use internal insulation systems to reduce building energy demand. However, thermal bridges such as balcony slabs in apartment buildings still lead to significant heat loss in winter, because the internal insulation system is not continuous in the balcony slab structure, and floor heating systems are commonly used in residential buildings. Therefore, this study investigates two types of thermal break elements, namely thermal break (TB) and thermal break-fiber glass reinforced polymer (TB-GFRP), to improve the thermal resistance of a balcony thermal bridge. To understand the effects of balcony thermal bridges with and without thermal break elements, the linear thermal transmittances of different balcony thermal bridges were analyzed using Physibel simulations. Then, the heating demand of a model apartment under varying thermal bridge conditions was evaluated using TRNSYS simulations. To understand the effect of insulation systems on heat loss through a balcony thermal bridge, apartments with internal and external insulation systems were studied. Whether the apartment was heating was also considered in the thermal transmittance analysis. Thus, the linear thermal transmittance of the thermal bridges with thermal break elements was reduced by more than 60%, and the heating energy demands were reduced by more than 8%.

Analysis of the condition of apartment buildings

These technical conditions of multi-apartment buildings are a huge digital array for making important management decisions both within the boundaries of individual territories of the municipality, and for planning budget expenditures within the municipality, the subject of the federation and the country as a whole. Aspects of the formation of data on apartment buildings in various information systems are considered. The basics of ensuring the reliability of the presented data are considered. It is noted in the work that for many years, during the transition from a planned economy to a market economy, the requirements of technical regulations and normative documents for the maintenance and operation of apartment buildings are not fully complied with by the operating organizations. The deadlines for replacing systems and equipment that have worked out the deadline are not met. It is noted that federal legislators and the Government of the Russian Federation have not determined a general procedure for monitoring the technical condition of apartment buildings and have not formed a general approach to assessing their technical condition, the obligation of owners of premises of apartment buildings to finance these works, their frequency has not been determined. It was revealed that the data obtained during the monitoring of the technical condition of apartment buildings combined in federal and regional information systems would be an objective marker in the formation of state and municipal programs in the field of reducing the housing stock unsuitable for living. financing of monitoring.

AN EVALUATION OF VISUAL PRIVACY LEVEL IN RESIDENTIAL UNIT'S LAYOUTS IN KHARTOUM, SUDAN

Visual privacy is one of the vital aspects of Islamic house designs. This paper aimed to analyze the level of visual privacy in the layout of different residential apartment unit samples in Khartoum, Sudan based on Islamic values and Sudanese culture and how modern apartment unit designs respond to these needs. Models included four units from courtyard-villas and two units from apartment buildings. The architectural layout plans, spatial relation, functions, and space zoning were applied to assess the level of visual privacy of each unit. Findings showed that the courtyard-villas had a higher degree of privacy and cultural values, reflecting more of the Sudanese lifestyle than the apartment units, even though the design of the apartment units pays more attention to the nuclear family privacy. This study would assist designers in enhancing the visual privacy in apartment unit layouts by highlighting factors that diminish or enhance the visual privacy level to create appropriate designs for Sudanese Muslims and Muslims in general.

MANAGEMENT OF APARTMENT BUILDINGS IN RUSSIA BEYOND BUDGETING

В статье рассматривается 12 принципов Beyond Budgeting, предложенные Дж. Хоупом и Р. Фрейзером, и особенности их применения к управлению многоквартирными домами. Анализируется возможность внедрения Beyond Budgeting не только в управляющих организациях, но и при непосредственном управлении многоквартирными домами и создании товариществ собственников жилья. Результаты внедрения принципов Beyond Budgeting (изменение организационной культуры) анализируются по модели McKinsey 7S. Рекомендации по внедрению Beyond Budgeting даются в рамках теории организационных изменений М. Бира и Н. Нориа. Положительный опыт внедрения принципов Beyond Budgeting в ООО УК «Маяк» позволяет рекомендовать управление за рамками бюджетирования другим организациям, осуществляющих предпринимательскую деятельность по управлению многоквартирными домами в России. The article examines the 12 principles of Beyond Budgeting , proposed by J. Hope and R. Fraser, and the peculiarities of their application to the management of multi-apartment buildings. The possibility of introducing Beyond Budgeting is analyzed not only in management organizations, but also in the direct management of apartment buildings and in creation of a homeowners' association. The results of the implementation of the principles of Beyond Budgeting (change in organizational culture) are analyzed according to the McKinsey 7S model. Recommendations for the implementation of Beyond Budgeting are given in the framework of the theory of organizational change by M. Beer and N. Noria. The positive experience of implementing principles of Beyond Budgeting at OOO Management Company ‘Mayak’ allows us to recommend Beyond Budgeting management to other organizations carrying out entrepreneurial activities in the management of apartment buildings in Russia.

TECHNICAL AND METHODOLOGICAL JUSTIFICATION OF THE ORGANIZATION OF SELECTIVE COLLECTION OF MUNICIPAL SOLID WASTE IN A RESIDENTIAL DEVELOPMENT

Проведен анализ ситуации, сложившейся при совмещенном вывозе твердых коммунальных отходов (ТКО). В связи с тем, что используемые на сегодняшний день конструкции мусоропроводов не предназначены для селективного (раздельного) сбора ТКО, исследована возможность реновации и модернизации мусоропровода и мусоросборной камеры для селективного сбора ТКО в существующем многоквартирном доме. Авторами предложен вариант модернизации существующей системы сбора мусора, заключающийся в следующем: в мусоросборной камере располагается несколько контейнеров, вместо патрубка и шибера устроена единая конструкция на все контейнеры, оснащенная заслонками, которые открываются для нужного вида отходов при нажатии соответствующей кнопки на блоке управления. Для домов, в которых нет мусоропроводов, рассмотрена возможность организации уличной контейнерной площадки, предназначенной для селективного сбора ТКО. Для вычисления размеров необходимых контейнеров было проведено исследование по определению масс и объемов разных фракций ТКО, приходящихся на одного человека. По результатам исследования был выполнен расчет по подбору размеров контейнеров по всем видам отходов для мусоросборной камеры и для уличной контейнерной площадки, с определением периодичности вывоза ТКО. Разработан алгоритм по селективному сбору ТКО в существующей жилой застройке. We carried out the analysis of the situation with the combined disposal of solid municipal waste (SMW). Due to the fact that the designs of waste chutes used today are not intended for selective (separate) collection of SMW, the article examines the possibility of renovation and modernization of the waste chute and waste collection chamber for selective collection of SMW in the existing apartment buildings. The authors offer a variant of modernization of the waste collection chamber, which consists in the following: in the waste collection chamber there are several containers, instead of a branch pipe and a gate, a single apron is arranged for all containers, equipped with flaps that open for the desired type of waste when the corresponding button is pressed on the control unit. The possibility of organizing street container platform for selective collection of SMW was considered for the apartment buildings which do not have waste chutes. To calculate the size of the required containers, we conducted a study to determine the mass and volume of different SMW fractions per person. According to the results of the study, a calculation was made for the selection of container sizes for all types of waste for the waste collection chamber and for the street container site, with the determination of the frequency of SMW removal. An algorithm for selective collection of SMW in existing residential buildings has been developed.

METHODOLOGICAL APPROACHES TO IMPROVING THE REGULATORY AND METHODOLOGICAL FRAMEWORK IN THE FIELD OF DESIGN AND CAPITAL REPAIR OF APARTMENT BUILDINGS

The design and execution of works on capital repair of apartment buildings are regulated by the current normative legal and normative-technical documents. Their actualization is conditioned by the development of technologies, new forms of work organization in repair-construction production as well as by the necessity to remove administrative barriers to intensify the processes of designing and execution of works on major repair in specific conditions without residents' resettlement in order to provide safety conditions, comfortable living environment and, as a result, to prolong the periods between repairs in the process of buildings operation.

Complementary Building Concept: Wooden Apartment Building: The Noppa toward Zero Energy Building Approach

Increasing the construction of wooden apartment buildings has its place as part of preventing climate change. This chapter aims to explore the possibilities of expanding the construction of wooden apartment buildings on plots owned by the City of Helsinki in the Mellunkylä area by developing a series-produced wooden apartment building concept suitable for complementary construction—The Noppa concept. The sustainability of this approach is considered from the perspective of materials, construction methods, adaptability of the designed spaces, and housing design flexibility. In this study, the Noppa wooden apartment building concept with cross-laminated timber (CLT) elements has been developed varying in its facilities and architectural design features through architectural modeling programs to be used for complementary construction. The research findings are based on a theoretical approach that has not yet been practically tested but is proposed considering existing construction practices that need further investigation. It is believed that this chapter will contribute to the spread of wooden apartments to achieve a low-carbon economy as one of the key tools in tackling climate change problems. Particularly, proposed architectural design solutions will contribute to decarbonization of buildings as well as zero energy building (nZEB) approach.

INDIVIDUAL DISTRIBUTION OF THERMAL ENERGY CONSUMPTION IN AN APARTMENT BUILDING: PRACTICAL EXPERIENCE

The cost of thermal energy production is constantly growing, on average, tariffs in the regions of Ukraine have tripled in recent years. The component of payment for heating in utility costs is the main one for most apartment buildings, but due to the peculiarities of district heating systems, residents do not have an impact on heat consumption, and there is a problem of uneven heat distribution: some rooms are overheated, others unheated. The normative documents of Ukraine indicate the installation of metering and regulation of energy consumption as one of the main measures to increase the level of energy efficiency of buildings. Modernization of heating engineering systems with the installation of thermostats and heat distributors is one of the most discussed energy saving measures at the general meeting of condominiums, which is of interest to most residents of buildings in operation. Experience shows that after the installation of such devices, the consumption of thermal energy by buildings is reduced, which leads to a reduction in heating costs. The relevance of the topic of this article is to study modern methods of individual distribution of thermal energy in apartment buildings, in particular in houses with a vertical heating system. The object of the study is an existing apartment building in Kyiv, where, starting in 2019, thermal energy distributors were put into operation. The subject of the study is the methods of heat distribution between apartments and the analysis of the practical results of the implementation of such a project in the existing serial building in Kyiv. The following research tasks were set: collection of general information about thermal energy distributors, their types and principles of operation; analysis of the current regulatory framework regarding the problem of individual accounting of thermal energy; analysis of the method of heat energy distribution adopted in Ukraine with identification of the main problems that arise during its application; analysis of practical results of thermal energy distribution in an apartment building in Kyiv.