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The Saudi 2030 Housing Program Vision aims to increase the population of Riyadh City, the capital of the Kingdom of Saudi Arabia, to between 15 and 20 million people. This paper aims to predict the demand for residential units in Riyadh City by 2030 in line with this vision.

This paper adopts a statistical modeling approach to estimate the residential demands for Riyadh City. Several population growth models, including the nonlinear quadratic polynomial spline regression model, the sigmoidal logistic power model and the exponential model, are tested and applied to Riyadh to estimate the expected population in 2030. The growth model closest to the Kingdom’s goal of reaching between 15 and 20 million people in 2030 is selected, and the paper predicts the required number of residential units for the population obtained from the selected model. Desktop database research is conducted to obtain the data required for the modeling and analytical stage.

The exponential model predicts a population of 16,476,470 in Riyadh City by 2030, and as a result, 2,636,235 household units are needed. This number of housing units required in Riyadh City exceeds the available residential units by almost 1,370,000, representing 108% of the available residential units in Riyadh in 2020.

This study provides valuable insights into the demand for residential units in Riyadh City by 2030 in line with the Saudi 2030 Housing Program Vision, filling the gap in prior research. The findings suggest that significant efforts are required to meet the housing demand in Riyadh City by 2030, and policymakers and stakeholders need to take appropriate measures to address this issue.

This study aims to investigate whether the correlation between Saudi Arabia’s social and economic reforms, urban megaprojects and sustainable urbanism can lead to an increased quality of life (QoL) in the capital, create a comprehensive lifestyle setup for Riyadh’s residents while also aiming to attract foreign investment.

This research examines five government-sponsored mega-destinations and their master plans against the objectives of Saudi Arabia’s Vision 2030’s Quality of Life Program. Furthermore, the author analyzed to what extent the proposed projects fulfill global mandates of sustainable urban development and how they might help raise the QoL for Riyadh’s residents. The author’s methodology rests primarily on detailed policy evaluation proposed by Vision 2030, literature research and data collected from proposed urban development plans. In parallel, the author conducted informal conversations with people living in affected areas and architectural offices who are involved in the design of the five megaprojects. After collecting the data for each project, the author compared the QoL Program criteria to the data of the proposed megaprojects to examine to what extent the proposed designs implement the QoL criteria of Vision 2030. In the last step, the author evaluated whether and how the proposed plans adhere to globally established guidelines of sustainable urban revitalization by studying possible overlaps and contingencies on an urban level.

The analysis reveals that although each case study project targets one or more specific lifestyle domains, the projects combined fulfill all lifestyle categories specified in Saudi Arabia’s QoL program. In addition, each project contributes measures to improve livability in the categories of urban design and environment, infrastructure and transport, social engagement and safety while also providing a range of economic and educational opportunities for different demographics. In terms of sustainable development criteria, the analysis demonstrates that all case studies provide ample measures to enhance Riyadh’s mobility by providing greenways for pedestrians and cyclists, which connect to public transport. Furthermore, when strategically combined as a series of urban layers, the projects demonstrate potential to form urban synergies among different lifestyle domains that could positively affect existing and proposed neighborhoods, particularly when extended through an inclusive, participatory planning framework, which, in turn, could significantly raise the QoL for a broad socioeconomic demographic.

This research reveals the complex role of megaprojects as change agents for socioeconomic reforms, as signifiers of livability and as planning frameworks to implement sustainable urbanism in Saudi Arabia’s capital, while also creating a lifestyle infrastructure for Riyadh’s residents.

With their sensitive approach to climate, ecologically driven landscape projects and regionalist architecture inspired by the traditional Arab city, these case study projects may serve as an example to other countries in hot arid zones on sustainably revitalizing their urban environments.

This study demonstrates how social and economic reforms intertwine with sustainable urban planning and placemaking to create a comprehensive lifestyle setup for Riyadh’s residents that has not previously existed. On the planning side, this includes creating a massive public infrastructure that encourages walkability and residents’ active participation in recreational, cultural, entertainment and sports activities. However, as the analysis has also revealed, while offering a large number of public facilities, the projects do not embrace a mixed-income project model, which would allow low-income families to live within a market-rate environment. In addition, one of the projects entails the displacement of benefit low-income and migrant communities. Although the government has a separate program that specifically aims at providing affordable housing in other areas of the city, these model destinations primarily target luxury tourists and affluent Saudis, potentially cementing existing socio-spatial divides in the city. Consequently, the megaprojects demonstrate Saudi Arabia’s conflicted response to the logic of entrepreneurial neoliberalism: on the one side, progressive attempts to promote an egalitarian approach to urban livability; on the other, strategic efforts to use megaprojects as spectacular showcases in the global marketplace.

The correlation between Saudi Arabia’s socioeconomic reforms, megaprojects and sustainable urbanism in Riyadh has not been previously explored. Compared to Western countries’ cities, few attempts have been made to investigate the role of livability in the context of emerging countries’ fast-growing urban areas. This paper presents a considerable case study in Saudi Arabia that ties into a more extensive debate on cultural globalization where cities, particularly in the developing world, use megaprojects as change agents to reconstruct their urban territories according to standardized livability indices to elevate their image in the global marketplace.

The purpose of this paper is to explore the planned urban renewal and re-scripting of Riyadh’s downtown as part of the capital’s aim to become a globally recognized city. Specifically, this paper examines in how far internationally established values and narratives are leveraged in the creation of an urban mega-destination that seeks to attract a transnational class of knowledge workers and tourists. The question is explored, in how far and to what extent urban heritage sites and iconic architectural projects are used as strategic tools to promote a process of cultural and economic transformation and in how far the resulting symbolic capital is leveraged to create a status of singularization that appeals to a national and international audience. This study investigates several neighborhoods in the area, analyzing how these will be transformed by Riyadh’s plan to turn the downtown into a commercially viable mixed-use destination by means of designated heritage destinations and iconic architecture.

This paper examines the views and experiences of governmental agencies, architects, developers and residents who are directly or indirectly involved with the planned restructuring of Riyadh’s historical downtown. In total, 40 semi-structured interviews were drawn from this stakeholder group to investigate their current understanding of the downtown associated with the effort to convert Riyadh’s historical downtown into a profitable urban destination. Five of these interviews were conducted with involved planning offices, and 35 with current residents in the area. In addition, a detailed site survey was conducted through a series of maps to reveal existing land uses, building typologies, states of disrepair, activity levels, pedestrian and car circulation patterns, as well as landmarks, and public spaces in each of the areas.

The subsequent data show that despite many positive outcomes in terms of commercial redevelopment, the adaptive reuse of the existing urban fabric is not considered, nor the preservation of underutilized or abandoned buildings along with its resident diverse communities, activities and milieus, many of which carry on evolving traditions.

This is significant because this paper presents a massive case study that ties into a larger debate on cultural globalization where similar practices around the world entail a spatial reorientation of urban districts to attract a transnational cosmopolitan middle class along with a simultaneous displacement of diverse and migrant communities, albeit on a much larger scale. While highlighting the rationale and effectiveness of this approach to create a well-packaged commodity, this paper also underscores the ambiguous consequences of this strategy, which entails the loss of a layered urban fabric that documents the city’s evolution through different economic periods, along with the dispersal of migrant communities and their vernacular practices.

Within this context, the current cultural value of the downtown as a heterogeneous, dynamic and multilayered fabric is debated, which documents the socio-economic conditions of the times in which these layers were formed. Departing from the UNESCO’s 2011 Recommendation on the Historic Urban Landscape and globally accepted sustainability standards, this study contrasts the proposed top-down tabula rasa approach proposed by the local authorities with an inclusive bottom-up approach, which would focus on the adaptive reuse of existing structures by taking into consideration the social meanings of belonging that heritage has for contemporary communities while fostering a more inclusive understanding of heritage as an ongoing cultural process.

The implications of the planned conversion of Riyadh’s historical downtown into an urban destination have not been previously explored and as a result, there is a conflict of interest between the creation of a marketable image, the preservation of heritage values, sustainable urban practices, social inclusion and Riyadh’s aim to become a globally recognized city.

This paper explores the employment of urban renewal and city branding within the context of Riyadh’s aim to become a world city. Within this framework, the paper examines the capital’s plan to convert the historic downtown into a mega-destination for the country’s middle class and national and international tourists.

Riyadh, the capital of Saudi Arabia, has been witnessing rapid urban transformation processes during the 20th century, which have had various kinds of impact on the evolution of its urban identity. This paper therefore attempts to investigate how the new urban concepts, which were introduced by modernization and globalization, caused a conflict of identities and how this has resulted in dividing Riyadh into opposing urban entities. The main challenge in establishing a cohesive urban identity in Riyadh is based on the long-term conflict between traditional forms of urbanism and modern ways of urban development. The paper thus investigates the urban transformation of Riyadh from the beginning of the twentieth century until the present day. The main objective of this historic analysis is to capture the various ways inhabitants have perceived surrounding urban environments and how this has been influencing urban planning activities. The applied methodologies include the evaluation of historic documents, such as official reports and plans.

The purpose of this paper is to explore the people’s perceptions of sustainable housing in Saudi Arabia using Riyadh as a case study. Riyadh was chosen as a case study for two reasons: it is the capital city of Saudi Arabia and the largest city in the country; and there are no major differences between the characteristics of people in Riyadh and other major Saudi cities.

The questionnaire survey technique was used in this study to achieve the main purpose. The study used descriptive statistics (frequency, percentage) with the aid of the Statistical Package of Social Science Software (SPSS) to analyze the data.

The findings reveal that there is a lack of people’s awareness about the sustainable housing. However, it shows a positive response regarding people’s willingness to live in sustainable housing in the future as well as to adjust their current houses to be more environmentally friendly houses.

The thoughts of stakeholders who are involved in the housing field, including policymakers and real estate developers, are very significant, however, due to the time limitation it has not been explored in this study. Therefore, future research is recommended to investigate the opinions of different stakeholders to have better insights for delivering sustainable housing.

The study contributes to exploring the people’s perceptions of sustainable housing in Saudi Arabia using Riyadh as a case study. Only a few studies have discussed this issue, so this study was conducted to bridge this research gap and build upon the literature.

Simple Triage and Rapid Treatment (START) is a unique triage system used by prehospital providers during disasters to quickly categorize and prioritize patient care according to severity. This study aims at evaluating knowledge about the START triage system among field emergency medical service (EMS) personnel working at the Saudi Red Crescent Authority (SRCA) in the stations of the city of Riyadh.

This is a cross-sectional study that examined data collected from August 2019 to January 2020. The statistical population is from all field EMS personnel working in the SRCA located in Riyadh, Saudi Arabia. Using simple random sampling, 239 field EMS personnel were assessed, and 235 completed the study (98.3% response rate). Data were collected electronically using demographics and 15 multiple choice emergency scenarios based on the START protocol.

The mean correct score is 8.21 ± 3.36 out of 15 questions of triage knowledge (score of 0–15 points), indicating that those respondents have moderate knowledge levels on the START triage tool. Physicians and paramedics have higher mean scores (10.13 ± 3.42 and 9.07 ± 3.22, respectively), which are significantly higher than emergency medical technicians and nurses (7.25 ± 3.15 and 5.63 ± 2.72, respectively; p < 0.05). The providers who attended the training course had higher mean scores (p < 0.05).

Based on the results of the study, field EMS personnel did not reflect full knowledge of START triage tool. An interdisciplinary approach that adopts reinforcement education and periodical training courses is highly recommended to improve the respondents' performance and productivity. Moreover, there was a noticeable correlation between performance of respondents on the one hand and their education levels and prior training on the other hand.

Surface hydrology studies are becoming more important for environmentalists and design engineers in arid regions where climate elements, particularly rainfall, are severe, sporadic and difficult to forecast. The main purpose of this study is to analyse elements of surface hydrology in the northwest of Riyadh City as part of environmental quality characterization for urban development.

The study area lies within a typical arid zone in the Arabian desert, and forms an integral part of Riyadh City extension. Field observations, collection and analyses of meteorological data, identification and analyses of the drainage network were the main approaches used in this study. The study made use of SPOT 4 satellite images, published topographic maps and Digital Elevation Model (DEM) from Shuttle Radar (SRTM).

Drainage analyses show four sub‐dendritic systems in northwest Riyadh. The study area lies within the middle sub‐catchment with a total area of 11‐5 km². Average annual rainfall is 125 mm. It occurs in the months of November‐February with a standard deviation of 17‐25.5 for monthly rainfall and a standard deviation of 3.2‐8.8 for maximum daily rainfall. Annual relative humidity is 34.4 percent, annual solar radiation is 477 cal/cm² per day, prevailing wind direction is NE and N with an average speed of 5.1 km/hr, and average annual evaporation is 2910 mm. Runoff peak flow varies from 2.73‐4.67 m³/sec.

Planners, design engineers, decision makers can use these findings for urban environmental development. The results of this study can help to prepare safeguard settlements from any unforeseen events.

The study indicates the importance of environmental quality chacterization for urban development.