• International conference on construction engineering and project management
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• 2009.05a
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• pp.1433-1439
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• 2009

Best value is the ultimate goal of the owner and can thus have diverse meanings according to the project characteristic, owner's purpose, user groups' payment capability, etc.. Recently, resettlement problems of the marginalized members in the urban regeneration area have been issued in Korea because they have no capability to purchase (or lease) redeveloped housing (or apartment). It means that a minimized production cost for reducing supply price of housing is a key factor in establishing the best value of the marginalized members. The lowest-price bidding system serves the purpose of ensuring a minimized production cost, but due to the low-cost investments, it creates various problems, such as sloppy construction, lowered quality, an increased LCC, and worsening profitability for builders. Thus, to help them resettle, it is necessary to supply affordable housing geared towards a certain appropriate quality and minimum construction costs. Towards this end, this study aimed to propose a cost reduction bidding system based on a technical proposal. The proposed technical-proposal-based cost reduction bidding system consists of the following components: work-unit-based, project-unit-based, and construction-period-reducing technical proposals. These components are evaluated to select the best bidder for a given project. The technical proposal based cost reduction bidding system proposed herein is expected to provide facilities with appropriate supply prices and appropriate quality levels, to bolster the technological competitiveness of builders.

• Journal of Information Technology Services
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• v.20 no.6
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• pp.17-43
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• 2021

Currently, various discussions are underway to establish a more advanced management system for public rental housing. Also, it calls for improvement methods for problems arising in management of the current rental housing system. In this regard, this study aims to evaluate determinants that affect user acceptance intention of blockchain technology to implement a new system that complements drawbacks of the current public rental housing system. The study uses the Unified Theory of Acceptance and Use of Technology (UTAUT) as a theoretical model; the study model utilizes three UTAUT variables -performance expectancy, social influence, and Facilitating conditions-, applies security, availability, and reliability that are perceived from blockchain technology as external parameters to facilitate understanding of user acceptance intention of blockchain technology, and evaluates whether innovativeness can regulate the influence of performance expectancy, social influence, and Facilitating conditions on user acceptance intention of blockchain technology. Based on the significant survey result where 274 IT technicians participated, the study applies structural equation modeling to explore structure of user acceptance intention in the blockchain-based management system for public rental housing. As a result, security-reliability and availability are found to factors as determinants for user acceptance intention, affecting implementation of the public rental housing management system, while innovativeness shows no significant statistical results related to regulation effect. This study has implications in that it understands characteristics of blockchain and empirically analyzes the relationship between the characteristics and acceptance intention to enable blockchain's contribution to activate the public rental housing management system in the future.

• Journal of the Korean housing association
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• v.24 no.5
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• pp.77-88
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• 2013

This study is to find out how community facilities of 10-year public rental apartments are currently managed and to propose a new community program management plan by analyzing key characteristics and program needs of tenants. Site visits and questionnaire surveys have been conducted at five different complexes producing 469 results that can be summarized as follows; 1) There were significant differences in the use of facilities and vitality of community among five complexes depending on tenants' participation and efforts of management staff. It was advisable to dispatch specialists, such as housing welfare workers, who were dedicated to managing facilities and supporting community programs; 2) There were high demanded for communication facilitation programs and environmental activities. Development of communication contents and distribution of manuals to inform and educate tenants about various environmental programs will be helpful; 3) The number of community facilities in each complex should be reduced those with high demand and the regional community center should be more vitalized with supporting programs and staff.

• International conference on construction engineering and project management
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• 2015.10a
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• pp.411-414
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• 2015

The purpose of this study is to conduct a comparative analysis between Korea and the United States of the supply process of unit modular housing at both the factory production phase and the transportation and lifting phase, as part of an attempt to invigorate the unit modular housing market in Korea. Unlike the practice in the United States, one of Korea's unique characteristics is that the floor is constructed with reinforced concrete and hot water heating system. To do this, the wet method in Korea is used that includes concrete placement, curing and constructing hot water floor heating system at the factory production phase, which results in a longer production time and also requires the lifting of heavier loads. In the United States, interior and exterior finishing works of modular housing are performed by different companies, and the distance between the unit module factory and the construction site is quite far. This kind of dualized production structure may cause confusion when it comes to schedule management, procurement management, and stock management. Moreover, problems caused by external environmental factors such as wind and rainfall were reported in the course of long-distance transportation. The results of this case comparison are expected to provide fundamental data that will reduce the amount of trial and error in the unit module production, transportation and lifting work in Korea, which has a comparatively small number of unit modular housing cases.

• International conference on construction engineering and project management
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• 2015.10a
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• pp.44-48
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• 2015

Housing price is a key indicator of housing demand. Actual Transaction Price Index of Apartment (ATPIA) released by Korea Appraisal Board is useful to understand the current level of housing price, but it does not forecast future prices. Big data such as the frequency of internet search queries is more accessible and faster than ever. Forecasting future housing demand through big data will be very helpful in housing market. The objective of this study is to develop a forecasting model of ATPIA as a part of forecasting housing demand. For forecasting, a concept of time shift was applied in the model. As a result, the forecasting model with the time shift of 5 months shows the highest coefficient of determination, thus selected as the optimal model. The mean error rate is 2.95% which is a quite promising result.

• Journal of the Korean housing association
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• v.19 no.4
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• pp.21-29
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• 2008

The purpose of this study is to evaluate preferences for spatial composition by urban design guidelines of detached housing areas using CG simulation, with the aim of contributing to the improvement and management of residential townscapes. The list of urban design guidelines for detached housing areas was derived from an analysis of urban design guidelines and landscape regulations from the U.S.A, Japan, and Korea. These guidelines comprise building guidelines, landscape guidelines, street guidelines, and sign guidelines. Through the preferences revealed by CG simulation, an optimum presentation method for the urban design guidelines was determined. Based on the results of preferences, an appropriate management system and regulation standards were proposed. In conclusion, the efforts carried out on the study and legislation of a management system and regulation standards for the urban design guideline will accomplish the amenity of residential environments.

• Journal of the Korean housing association
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• v.9 no.3
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• pp.47-57
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• 1998

The purpose of this study is to find out the residents' attitudes for the shared community space (SCS) according to various housing sizes (60㎠, 85㎠, 102㎠, 135㎠). The major findings are as follows: 1) The residents' overall trends for the SCS showed that the satisfaction rate and requirement rate according to housing size didn't show a significant difference, but there was a considerable difference among the using rates for each category of housing sizes. 2) The kinds of common facilities that residents required were recreational facilities, car-wash facilities, children's play centers, facilities for separation/sanitation for garbage and recyclable materials and lounging facilities in that order. The common facilities that require tenant-management were recreational facilities, car-wash facilities and lounging facilities in that order. The common facilities that require participation in tenant-management were study/reading facilities, recreational facilities and hobby/lecture facilities in that order. 3) With regard to the residents' needs, the tenant-management and participation in it, the kinds of common facilities were differentiated according to housing size (60㎠, 85㎠, 102㎠, 135㎠).

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2002.11a
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• pp.209-214
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• 2002

This research analyzes the types of resident's satisfaction and the preferred rental housing types in Gwangju. The results are summarized as follows : This study devided the characters of resident's satisfaction into four factors and classified the types of residents into three specific groups by the factors of resident's satisfaction : high dwelling density and management improvement demanding type, medium size and general satisfaction type, environmental improvement demanding type The first type includes the lowest income group and relatively high income group coincidently. They need wider living space or want improvement of the level of management service. The second type omnipresently satisfies not only medium sized living space but also other items. This type will be regarded as the inducement standard for the rental housing policy. The third type includes the lowest group in economic and physical level who wants the general upgrade of living space and management level. And, residents need long-term rental housing and wider housing area by 5 pyong.

• Journal of the Korean Home Economics Association
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• v.49 no.1
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• pp.41-53
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• 2011

The purpose of this paper was to examine the management of Environmentally Friendly Planning Features(EFPF) in condominium with Green Building Certification(GBC). A questionnaire survey was conducted among management office staff and residents on six housing estates in Seoul. The data from 200 respondents were analysed using descriptive statistics and t-tests. The main findings were as followings : 1) Most of the staffs considered that garbage collection and recycling, and green spaces were well-managed. 2) The residents indicated that garbage collection and recycling, and green spaces were properly handled, but they failed to recognize these as EFPF. 3) Residency duration was unrelated to the residents' perceptions of the EFPF and their management. In conclusion, neither the residents nor the staff were aware of the GBC system or that their housing estates were built using EFPF. To remedy this, it can be assumed the residents' lack of appreciation of the EFPF can be resolved if they participate in the management of these features. So the residents will need education, and the management staff will require professional training.

• Proceedings of the Korea Water Resources Association Conference
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• 2005.09b
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• pp.1122-1123
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• 2005