scholarly journals Bahareque as a Sustainable Construction System: Analysis of Unit Prices

2021 ◽  
Vol 1203 (3) ◽  
pp. 032118
Author(s):  
Andrés Palacios ◽  
Pedro Angumba
Keyword(s):  
System Analysis ◽  
Cost Benefit Analysis ◽  
Research Problem ◽  
Raw Material ◽  
Unit Price ◽  
Sustainable Construction ◽  
Analysis Tool ◽  
Advantages And Disadvantages ◽  
The Cost ◽  
Construction System

Abstract The bahareque is a form of vernacular construction that, with the help of modern materials with adequate techniques and knowledge, constitute an alternative to provide housing solutions. Despite this, the lack of knowledge and technical processes in relation to costs, gives rise to a research problem. Thus, this document presents a set of technical strategies based on the Cost-Benefit analysis of using bahareque as a raw material and structuring a unit price analysis tool to guide construction professionals. The study had a qualitative and quantitative approach, surveys were applied to the population and professionals in the construction area that allowed to approach the reality of the construction system in the city of Cuenca-Ecuador. It is evident that people know about the construction system, but show some resistance to its application because they are unaware of the advantages and disadvantages of the vernacular technique. With the cost analyzes carried out, it is concluded that a typical house of 130 m2 has a cost of $ 36,387.72 dollars; which, starts from concrete foundations, which support a reinforced masonry assembly that raises the wooden frames, associated with meshes that erect the walls with mortar and finally covered with roofs with a mixed material of wood and tile fired with clay.

scholarly journals Valuation of ecosystem services of guadua bamboo (Guadua angustifolia) forest in the southwestern of Pereira, Colombia

Caldasia ◽  
2020 ◽  
Vol 43 (1) ◽  
pp. 186-196
Author(s):  
Juliana Muñoz-López ◽  
Juan Carlos Camargo-García ◽  
Catalina Romero-Ladino
Keyword(s):  
Ecosystem Services ◽  
Soil Water ◽  
Carbon Storage ◽  
Cost Benefit Analysis ◽  
Urban Expansion ◽  
Cost Benefit ◽  
Raw Material ◽  
Benefit Analysis ◽  
Financial Feasibility ◽  
The Cost

Agriculture and urban expansion have caused fragmentation of the remaining forests located along the Otún and Consotá river watershed in the municipality of Pereira, Department of Risaralda, Colombia. These forests are dominated by the guadua bamboo species Guadua angustifolia Kunth, which provided raw material for different purposes and additionally fulfills important ecological functions. The aim of this study was to evaluate ecosystems services associated with these forests such as carbon storage, soil water storing capacity, and the financial feasibility related to guadua culms commercialization. The carbon storage was estimated from the aboveground biomass and soil organic matter; soil water storing capacity was associated with physical soil properties. Whereas the provisioning ecosystem service was assessed through a cost-benefit analysis performed with different production scenarios. The carbon stock was found to be 672.3 t C / ha (22 % in biomass and 78 % in the soil at a depth of 45 cm). The average soil water storing capacity was 292.4 m3 / ha. The cost-benefit analysis evidenced the financial feasibility for the scenarios when projected sales are more than 3 % than current. Bamboo forests provide ecosystem services that are yet another justification for better economic compensation and a medium to promote balance between ecosystem services and the financial situation of producers, who derive their incomes from its production.

scholarly journals Costing, Adobe Technique as a Sustainable Construction System in the City of Cuenca

2021 ◽  
Vol 1203 (3) ◽  
pp. 032115
Author(s):  
Verónica Molina ◽  
Pedro Angumba
Keyword(s):  
Unit Price ◽  
Sustainable Construction ◽  
Rural Sector ◽  
Market Prices ◽  
Construction Activity ◽  
Price Analysis ◽  
The City ◽  
Real Costs ◽  
Over Time ◽  
Construction System

Abstract Adobe is an old material used in construction but over time, this construction system has lost space and preference among population. Hence, the need to seek alternatives as professionals in the construction area to encourage the use of the Adobe technique has raised. Thus, the present study made a cost of the items involved in the construction of houses from the adobe based on the theoretical references. In addition, it established a unit price analysis that identifies the particularities of this system focusing on an analytical, descriptive-conclusive methodology whose data are analysed from the results of applying a survey (n = 96) to the inhabitants of the rural sector of Cuenca and construction experts (n = 11). The average price of the construction of houses with Adobe is $ 38,357.23 dollars for a house of 150 m2 taking into account that the real costs and the construction activity are sensitive to changes in the population and market prices.

scholarly journals ANALISIS BIAYA PENGENDALIAN PERSEDIAAN BAHAN BAKU DALAM MENINGKATKAN VOLUME PRODUKSI PADA PERUSAHAAN AGAR-AGAR CAP APEL

2021 ◽  
Vol 2 (1) ◽  
Author(s):  
Revanti . ◽  
Arga Sutrisna
Keyword(s):  
Linear Regression ◽  
Linear Regression Analysis ◽  
Secondary Data ◽  
Raw Material ◽  
Analysis Tool ◽  
Production Volume ◽  
Simple Linear Regression ◽  
Close Relationship ◽  
Calculation Results ◽  
The Cost

AbstrakTujuan penelitian ini adalah untuk mengetahui dan menganalisis hubungan variabel biaya pengendalian persediaan bahan baku dalam meningkatkan volume produksi. Metode penelitian yang digunakan adalah metode kualitatif dan data yang digunakan adalah data sekunder yang diperoleh langsung melalui wawancara dengan pemilik perusahaan. Dalam penelitian ini, pengambilan sampel menggunakan pendekatan data berkala dengan skala bulanan yaitu 36 bulan. Apa yang diteliti oleh penulis terdiri dari satu variabel bebas dan satu variabel terikat maka alat analisis yang paling tepat adalah regresi linier sederhana. Berdasarkan hasil analisis regresi linier sederhana diketahui bahwa biaya pengendalian persediaan bahan baku memiliki pengaruh signifikan terhadap volume produksi. Hali ini juga dapat dilihat dari data perusahaan bahwa setiap kenaikan pada biaya pengendalian persediaan bahan baku maka volume produksi juga mengalami peningkatan. Hasil perhitungan menunjukkan bahwa terdapat hubungan yang sangat erat antara variabel biaya pengendalian persediaan bahan baku dalam meningkatkan volume produksi.Kata kunci: Biaya pengendalian persediaan bahan baku, volume produksiAbstractThe purpose of this study was to determine and analyze the relationship between the cost of controlling raw material inventory variables in increasing production volume. The research method used is a qualitative method and the data used is secondary data obtained directly through interviews with company owners. In this study, sampling used a periodic data approach on a monthly scale, namely 36 months. What the writer examines consists of one independent variable and one dependent variable, so the most appropriate analysis tool is simple linear regression. Based on the results of simple linear regression analysis, it is known that the cost of controlling raw material inventories has a significant effect on production volume. This can also be seen from company data that each increase in the cost of controlling raw material inventories, the production volume also increases. The calculation results show that there is a very close relationship between the variable costs of controlling raw material inventories in increasing production volume.Keywords: Cost of controlling raw material inventory, production volume 

scholarly journals EVALUASI PENGENDALIAN PERSEDIAAN BAHAN BAKU DENGAN METODE MATERIAL REQUIREMENT PLANNING PADA HOME INDUSTRYSARANA BERSIH “LIMA”

2018 ◽  
Vol 4 (2) ◽  
Author(s):  
Sugeng Pramono
Keyword(s):  
Inventory Control ◽  
Raw Material ◽  
Analysis Tool ◽  
Control Material ◽  
Total Cost ◽  
Inventory Costs ◽  
Material Requirement Planning ◽  
Material Requirement ◽  
Control Evaluation ◽  
The Cost

The purpose of this study is to determine the results of Raw Material Inventory Control evaluation with Material Requirement Planning method in May 2014, so the company Home Industry Sarana Bersih " Lima "can minimize inventory costs. Analysis tool used is a method of inventory control with materials requirement planning (MRP) engineering approach. MRP method is a mathematical method or technique that is used to assist managers in making decisions regarding the amount of inventory, production planning schedule, the schedule ordering, and inventory costs. Based on the analysis by using the method of Material Requirement Planning it can be seen that the results of the cost incurred by the company on the stock in May is 1.220.000 rupiah. There are savings of 293.400 rupiah of the total cost of 1.513.400 rupiah.Keywords: Inventory, Inventory control, Material Requirement Planning.

scholarly journals Methanol and Ethanol as Alternative Fuels for Shipping

2019 ◽  
Vol 31 (3) ◽  
pp. 321-327
Author(s):  
Radoslav Radonja ◽  
Dragan Bebić ◽  
Darko Glujić
Keyword(s):  
Alternative Fuels ◽  
Catalytic Reduction ◽  
Cost Benefit Analysis ◽  
Emission Control ◽  
Cost Benefit ◽  
Control Area ◽  
Shipping Industry ◽  
Liquefied Petroleum Gas ◽  
Advantages And Disadvantages ◽  
The Cost

Over the past decade regulatory emission control has been adopted and even stricter emission reductions are being considered. In order to comply with the present and future regulations the ship owners and engine manufacturers are facing a difficult task. The shipping industry is presently offering multiple choices such as scrubbers and Selective Catalytic Reduction (SCR), dual fuel engines, Liquefied Natural Gas / Liquefied Petroleum Gas (LNG/LPG) powered engines, and lately the introduction of methanol and ethanol as alternative fuels. This work presents a short overview of the possible use of methanol and ethanol as lternative fuels in shipping. The first part of this work deals with physical properties of methanol and ethanol, production and availability, as well as advantages and disadvantages in comparison with other fuels. In the second part the cost perspective is presented together with the cost-benefit analysis, which is the most important aspect in the ship owner’s decision whether to invest into the new alternative. Methanol and ethanol are not magical solutions, but rather another alternative which, from the cost perspective, offers a potential under certain circumstances. These circumstances are competitive prices in comparison to Marine Gas Oil (MGO) and time spent in Emission Control Area (ECA) which should be a large portion of the total sailing time. In this paper the scientific methodology was followed by using the method of compilation, the descriptive and the comparative methods.

A Cost Benefit Analysis Tool (CBAT) for the Management of User Interface Design and Evaluation Tasks

1994 ◽  
Vol 38 (15) ◽  
pp. 940-940
Author(s):  
Charles Bowen
Keyword(s):  
User Interface ◽  
Interface Design ◽  
Cost Benefit Analysis ◽  
Cost Benefit ◽  
User Interface Design ◽  
Analysis Data ◽  
Management Tool ◽  
Analysis Tool ◽  
Benefit Analysis ◽  
The Cost

A user interface cost benefit analysis is an examination of the estimated costs associated with user interface design and evaluation tasks against the potential benefits to the software product. The Cost Benefit Analysis Tool (CBAT) is a human factors management tool written in SuperCard™. The tool is based on research by Mayhew (1993) and Mantei and Teorey (1988). CBAT supplements previous research efforts by the addition of more user interface tasks during typical software development lifecycle phases. The main cost benefit form is completed by means of electronic worksheets which are used to estimate both the costs and the benefits used in the overall analysis. Both cost and benefit estimates can be tailored to individual organizational needs. The tool provides the capability to print out data used to perform the cost benefit analysis and on-line help is provided for all worksheets. Future enhancements to CBAT are suggested in the following areas: additional user interface cost tasks and benefit estimates, the saving of analysis data into individual files, the inclusion of a graphic scheduling capability, and improvements to the software performance and flexibility.

Cost-Benefit Analysis for Ship Automation Retrofit: The Case of Icebreaker Frej

2005 ◽  
Vol 42 (02) ◽  
pp. 113-124 ◽  
Author(s):  
D. V. Lyridis ◽  
H. N. Psaraftis ◽  
N. Ventikos ◽  
P. Zacharioudakis ◽  
K. Dilzas
Keyword(s):  
Net Present Value ◽  
Cost Benefit Analysis ◽  
Cost Benefit ◽  
Advanced Technology ◽  
Benefit Analysis ◽  
Costs And Benefits ◽  
Present Value ◽  
Factors Affecting ◽  
Advantages And Disadvantages ◽  
The Cost

A detailed cost-benefit analysis of a retrofit of the Advanced Technology to Optimise Maritime Operational Safety (ATOMOS) platform on board icebreaker Frej is presented. After accurately determining the relationship between the costs and benefits, an analysis is implemented in order to assess the most basic advantages and disadvantages of the suggested retrofitting action in monetary terms. A two-step approach is adopted. The first step is to define the major categories of the ship operational aggregate costs and benefits (for example, the actual cost of the ATOMOS platform and of equipment not part of the ATOMOS platform but still necessary for its installation and operation, or the expected crew decrease because of the higher degree of automation). The second step is to examine the various basic components of these categories (for example, administration and training cost, required automatic radar plotting aid [ARPA] and electronic chart display and information system [ECDIS] equipment acquisition cost, fuel benefits, and insurance benefits). The cost-benefit analysis performed is followed by a sensitivity analysis of the most important factors affecting the net present value of the investment. It is shown that it takes about 5 years for the ATOMOS retrofit to be fully paid back by the annual savings it offers and it takes about 6.5 years for the net present value of the investment to turn positive. This coupled by the increased vessel safety justifies the decision to retrofit Frej with the ATOMOS platform. Furthermore, it is found that the cost of the ATOMOS platform, the benefits from crew decrease, and the interest rate are those factors that essentially determine the profitability of the investment. In the case of Frej, it is concluded that the retrofit is worth undertaking for the majority of future scenarios.

A Conceptual Prototyping Framework for Integrating Human Factors Early in Product Design

2020 ◽  
Author(s):  
Salman Ahmed ◽  
H. Onan Demirel
Keyword(s):  
Cost Benefit Analysis ◽  
Cost Benefit ◽  
Analysis Tool ◽  
Benefit Analysis ◽  
Human Factor Engineering ◽  
User Input ◽  
Hands On ◽  
Systematic Selection ◽  
The Right ◽  
The Cost

Abstract A knowledge-base that integrates human factor engineering (HFE) principles and prototyping best-practices for the design of human-centered products does not exist. This study fills this gap by proposing a prototyping framework to unify HFE principles and prototyping guidelines along with a prototyping toolbox. The framework is based on the House of Prototype Guidelines (HOPG), which introduces “Prototyping Categories and Dimensions” that are used for understanding the prototyping requirements and identifying the specifications that can be used to build a prototype. Additionally, a prototyping toolbox is introduced to classify tools and technologies to build the proposed prototype. The HOPG and prototyping toolbox are integrated via an MS Excel User-form, which proposes a systematic selection filter based on user input. The overall goal of this framework is to guide the prototyping activities in the right direction before the actual hands-on prototyping activity starts. Additionally, in this study, a cost-benefit analysis tool is proposed to calculate the value of the prototype by measuring the information gained and the resources spent. The cost-benefit analysis helps designers in narrowing down the prototyping options. A prototyping problem taken from the literature is used as a case study to demonstrate the usability and efficacy of the framework.

Hostile Takeovers and Anti-takeover Defenses in the Russian Corporate Market

2007 ◽  
pp. 70-84 ◽  
Author(s):  
E. Demidova
Keyword(s):  
Cost Benefit Analysis ◽  
Cost Benefit ◽  
Benefit Analysis ◽  
Costs And Benefits ◽  
Hostile Takeovers ◽  
Russian Market ◽  
Takeover Defenses ◽  
The Cost ◽  
European Markets

This article analyzes definitions and the role of hostile takeovers at the Russian and European markets for corporate control. It develops the methodology of assessing the efficiency of anti-takeover defenses adapted to the conditions of the Russian market. The paper uses the cost-benefit analysis, where the costs and benefits of the pre-bid and post-bid defenses are compared.

Resource efficiency in deinked pulp production: a review

TAPPI Journal ◽  
2014 ◽  
Vol 13 (11) ◽  
pp. 37-43 ◽  
Author(s):  
LIISA KOTANEN ◽  
MIKA KÖRKKÖ ◽  
ARI ÄMMÄLÄ ◽  
JOUKO NIINIMÄKI
Keyword(s):  
Waste Disposal ◽  
Resource Efficiency ◽  
Raw Material ◽  
Ecological Strategy ◽  
Recycled Paper ◽  
Paper Production ◽  
Recycled Pulp ◽  
Current State ◽  
The Cost ◽  
Pulp Production

The use of recovered paper as a raw material for paper production is by far the most economical and ecological strategy for the disposal of waste paper. However, paper production from recovered paper furnish generates a great amount of residues, and the higher the demand requirements for the end product, the higher the amount of rejected material. The reason for this is that the selectivity of the deinking process is limited; therefore, some valuable components are also lost in reject streams. The rejection of usable components affects the economics of recycled paper production. As the cost of waste disposal continues to increase, this issue is becoming more and more severe. This paper summarizes the current state of the resource efficiency in recycled pulp production and provides information on the volumes of rejected streams and the usable material within them. Various means to use these reject streams are also discussed, including the main findings of a recent thesis by the main author. This review summarizes current internal and external use of reject streams generated in the deinking operations.

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