Bid preparation for earthmoving operations

2002 ◽  
Vol 29 (3) ◽  
pp. 517-532 ◽  
Author(s):  
Mohamed Marzouk ◽  
Osama Moselhi
Keyword(s):  
Computer Simulation ◽  
Indirect Cost ◽  
Computer System ◽  
The Cost ◽  
Earthmoving Equipment ◽  
Bid Preparation ◽  
Cost Components

This paper presents a computer system developed to assist earthmoving contractors in preparing proposals. It can also be used by owners and (or) their agents to plan and estimate the cost and duration of earthmoving projects. This is particularly useful for large projects where owners need to define a feasible scope of work that suits their budgets and operating plans. The system has been developed utilizing computer simulation. This paper provides an overview of the developed system and briefly describes its basic components, focusing primarily on the development of the system's database and the procedure used to account for indirect cost components of this class of projects. The paper also demonstrates the capabilities of the developed system in selecting most-suitable equipment fleets, from available equipment, that meet the terms and conditions outlined in bid documents. A project example is analyzed to demonstrate the essential features of the developed system.Key words: bid preparation, earthmoving, equipment database, indirect cost, computer simulation.

scholarly journals Hospital Construction Cost Affecting Their Lifecycle: An Italian Overview

Healthcare ◽  
2021 ◽  
Vol 9 (7) ◽  
pp. 888
Author(s):  
Leopoldo Sdino ◽  
Andrea Brambilla ◽  
Marta Dell’Ovo ◽  
Benedetta Sdino ◽  
Stefano Capolongo
Keyword(s):  
Healthcare Services ◽  
Construction Cost ◽  
Design Stage ◽  
Quality Healthcare ◽  
Healthcare Facilities ◽  
Early Design Stage ◽  
Hospital Facility ◽  
Italian Context ◽  
The Cost ◽  
Cost Components

The need for 24/7 operation, and the increasing requests of high-quality healthcare services contribute to framing healthcare facilities as a complex topic, also due to the changing and challenging environment and huge impact on the community. Due to its complexity, it is difficult to properly estimate the construction cost in a preliminary phase where easy-to-use parameters are often necessary. Therefore, this paper aims to provide an overview of the issue with reference to the Italian context and proposes an estimation framework for analyzing hospital facilities’ construction cost. First, contributions from literature reviews and 14 case studies were analyzed to identify specific cost components. Then, a questionnaire was administered to construction companies and experts in the field to obtain data coming from practical and real cases. The results obtained from all of the contributions are an overview of the construction cost components. Starting from the data collected and analyzed, a preliminary estimation tool is proposed to identify the minimum and maximum variation in the cost when programming the construction of a hospital, starting from the feasibility phase or the early design stage. The framework involves different factors, such as the number of beds, complexity, typology, localization, technology degree and the type of maintenance and management techniques. This study explores the several elements that compose the cost of a hospital facility and highlights future developments including maintenance and management costs during hospital facilities’ lifecycle.

Penetapan Tarif Ambulans Untuk Evakuasi Medis Berbasis Unit Cost

2021 ◽  
Vol 7 (1) ◽  
pp. 167-173
Author(s):  
Kelvin Riupassa ◽  
Narizma Nova ◽  
Endah Lestari ◽  
Sri Juniarti Azis ◽  
Wahyu Sulistiadi
Keyword(s):  
Recovery Rate ◽  
Unit Cost ◽  
Cost Recovery ◽  
Maintenance Costs ◽  
Total Cost ◽  
Medical Evacuation ◽  
Operational Costs ◽  
Emergency Ambulance ◽  
The Cost ◽  
Cost Components

Background: An ambulance is a vehicle designed to be able to handle emergency patients, provide first aid and carry out intensive care while on the way to a referral hospital. Ambulance operations require a large amount of funds obtained from APBD funds through tariffs that were passed through the DKI Jakarta Governor Regulation five years ago. For this reason, a new tariff is required to adjust to current conditions. Objectives: The purpose of this study is to calculate the unit cost of ambulance services in DKI Jakarta to be a consideration in the tariff setting policy in DKI Jakarta province. Research Metodes: This study uses a quantitative descriptive approach to obtain information about the unit cost of the Jakarta ambulance production unit. The method used is the calculation of real cost using the basis of the causes of costs. This research was conducted at the DKI Jakarta Emergency Ambulance using secondary data on investment costs, operational costs and maintenance costs in 2018. Results: The total cost of emergency ambulance in 2018 is known that the proportion of three cost components, namely operational costs, is 76%, followed by investment costs of 20% and maintenance costs of 3%. The calculation of the total cost of medical evacuation using the double distribution method is Rp. 98,915,016,805.00 divided by the number of medical evacuations in 2018 of 37,564 activities, the unit cost of medical evacuation for the AGD of DKI Jakarta Health Office is Rp. 2,633,215.00 without subsidies. APBD costs, while if the subsidy component is included in the calculation, the unit cost for one trip to the AGD of the Health Office is Rp. 604,071.00. This is still far above the current tariff of Rp. 450.00, so the cost recovery rate (CRR) is still below. 100%. Conclusion: From the three cost components consisting of investment, operational and maintenance costs,the largest proportion was operational costs at 76%. The Cost Recovery Rate has not reached 100% so that the existing rates have not covered the costs incurred.   Keywords: ambulance; price fixing; unit cost

A Model of Secure Functioning of Computer Systems

2021 ◽  
Vol 12 (3) ◽  
pp. 150-156
Author(s):  
A. V. Galatenko ◽  
◽  
V. A. Kuzovikhina ◽  
Keyword(s):  
Lower Bound ◽  
Computer System ◽  
Finite Automaton ◽  
Nonnegative Integer ◽  
The Other ◽  
Shannon Function ◽  
Security Breaches ◽  
System Functioning ◽  
The Cost ◽  
The Given

We propose an automata model of computer system security. A system is represented by a finite automaton with states partitioned into two subsets: "secure" and "insecure". System functioning is secure if the number of consecutive insecure states is not greater than some nonnegative integer k. This definition allows one to formally reflect responsiveness to security breaches. The number of all input sequences that preserve security for the given value of k is referred to as a k-secure language. We prove that if a language is k-secure for some natural and automaton V, then it is also k-secure for any 0 < k < k and some automaton V = V (k). Reduction of the value of k is performed at the cost of amplification of the number of states. On the other hand, for any non-negative integer k there exists a k-secure language that is not k"-secure for any natural k" > k. The problem of reconstruction of a k-secure language using a conditional experiment is split into two subcases. If the cardinality of an input alphabet is bound by some constant, then the order of Shannon function of experiment complexity is the same for al k; otherwise there emerges a lower bound of the order nk.

scholarly journals Air Temperature Control System in a Building on the Basis of Mathematical Modelling

2018 ◽  
Vol 155 ◽  
pp. 01041 ◽  
Author(s):  
Aleksandr Pilipenko ◽  
Sergei Petrov
Keyword(s):  
Computer Simulation ◽  
Control System ◽  
Mathematical Modelling ◽  
Mathematical Models ◽  
Air Temperature ◽  
Temperature Control ◽  
Automated System ◽  
Temperature Control System ◽  
Heating Systems ◽  
The Cost

In the article the authors solve a crucial objective of reducing the cost of heating services through the introduction of a system, controlling boilers and heating devices, based on modelling of the building and predicting heating systems functioning and operation. The authors describe the method of mathematical modelling of heating systems of the building and represent the developed mathematical models, pledged and installed into the developed automated system. The authors have offered an automated system of dispatch control of the boilers with the elements of computer simulation and modelling.

scholarly journals Epidemic risk and insurance coverage

2017 ◽  
Vol 54 (1) ◽  
pp. 286-303 ◽  
Author(s):  
Claude Lefèvre ◽  
Philippe Picard ◽  
Matthieu Simon
Keyword(s):  
Insurance Coverage ◽  
Infection Rates ◽  
Insurance Plan ◽  
Sir Epidemic ◽  
Epidemic Size ◽  
Actuarial Methods ◽  
Premium Calculation ◽  
The Cost ◽  
Epidemic Risk ◽  
Cost Components

AbstractIn this paper we aim to apply simple actuarial methods to build an insurance plan protecting against an epidemic risk in a population. The studied model is an extended SIR epidemic in which the removal and infection rates may depend on the number of registered removals. The costs due to the epidemic are measured through the expected epidemic size and infectivity time. The premiums received during the epidemic outbreak are measured through the expected susceptibility time. Using martingale arguments, a method by recursion is developed to calculate the cost components and the corresponding premium levels in this extended epidemic model. Some numerical examples illustrate the effect of removals and the premium calculation in an insurance plan.

scholarly journals Trend Analysis of Cost Components in Select Pharmaceutical Companies

2019 ◽  
Vol 8 (4) ◽  
pp. 2289-2298
Keyword(s):  
Pharmaceutical Industry ◽  
Trend Analysis ◽  
Health Benefits ◽  
Annual Reports ◽  
Pharmaceutical Companies ◽  
Manufacturing Costs ◽  
Operating Profit ◽  
The Future ◽  
The Cost ◽  
Cost Components

The purpose in this paper is to identify the cost components which are vital in consideration towards manufacturing especially in pharmaceutical companies. The manufacturing costs are significant in total expenses in pharmaceutical industry. In this study, a thorough investigation on the cost components and the trend in expenses and operating profit of pharma companies are studied, giving due regard to cost components to have understanding and to find out how they may differ among various types of pharma companies. The data published in the annual reports from 2009 to 2018 of top five pharmaceutical companies based on their annual revenues has been selected for further diagnosis. The analysis reveals that manufacturing costs are different for all the five companies. The study also reveals that there is a considerable indication that the companies are conscious on the much-needed health benefits to the society in the future at an affordable cost

scholarly journals Economic Burden of Diabetes in Urban Indians

2014 ◽  
Vol 8 (1) ◽  
pp. 91-94 ◽  
Author(s):  
Pablo Chandra ◽  
Bageshri Gogate ◽  
Parikshit Gogate ◽  
Nilesh Thite ◽  
Abhay Mutha ◽  
...  
Keyword(s):  
Indirect Cost ◽  
Direct Cost ◽  
Economic Burden ◽  
Significant Proportion ◽  
Class Iii ◽  
Lower Middle Class ◽  
Average Percentage ◽  
Diet Control ◽  
The Cost ◽  
Class Iv

Purpose : To find out the average economic burden of medical care on a patient with diabetes in Pune, India Methods : A semi-open ended questionnaire followed by interview was conducted with patients attending diabetes and ophthalmic out-patient departments. They were asked regarding the duration of diabetes, methods undertaken for blood sugar control and the amount they spend on consultations, laboratory tests, medicines and procedures if any within past year. Expenditure was classified as direct cost (cost of medicines, doctor’s fees, investigations, lasers and surgery) and indirect cost (travel, diet control, health classes and loss of wages). Data was collected regarding the socioeconomic status according to Kuppaswamy classification. Results : 219 patients participated of whom 129 were males (58.9%). Average annual direct cost of diabetes treatment was Rs 8,822 of which 52.1% was spend on medicines, 3.2% was spend on lasers, 12.6% was spend on surgical procedures, 11.6% spent on investigations and 10.4% was spend on clinician fees. Average annual indirect cost was Rs. 3949 of which 3.4% was spend on travelling purpose, 0.4% was spent on health classes, 4.9% was spent on diet control and 91.3% was loss of wages. Average expenditure done by lower middle class was 23.7% of their income. Average percentage of income for direct and indirect cost was 3.6% and 1.4% respectively. The cost of the treatment formed1.3% of the annual income for those in Socio-economic class I, 1.7% in class II, 3.7% in class III and 23.7% in class IV. Conclusion : The cost of managing diabetes was a significant proportion of the patients’ income, especially for those on lower socio-economic scale (class IV).

Animal production studies in Jamaica. IV. The costs of developing and maintaining pangola grass pastures

1964 ◽  
Vol 62 (2) ◽  
pp. 179-186 ◽  
Author(s):  
B. L. Nestel
Keyword(s):  
Indirect Cost ◽  
Direct Cost ◽  
Inverse Relationship ◽  
Indirect Costs ◽  
Animal Production ◽  
Direct And Indirect Costs ◽  
Production Studies ◽  
Total Range ◽  
The Cost

The cost of developing and maintaining pangola grass pastures has been examined under a range of conditions. The direct cost of improving pastures to the stage where they were established as 5–10 acre, fenced, watered units of pangola grass was about £30 per acre. Under favourable conditions this cost could be reduced to £20, but with difficult land or poor techniques the cost could rise to £40 or more per acre. In addition to the direct cost of establishment there was an indirect cost due to land being out of use or stock numbers having to be reduced. This indirect cost appeared to be highest on lands where planting costs were least. It was suggested that there might be an inverse relationship between direct and indirect costs which tended to narrow the total range of establishment costs.

Enterprise Inventory Management and Simulation

2014 ◽  
Vol 933 ◽  
pp. 874-878
Author(s):  
Yun Rui Wang
Keyword(s):  
Computer Simulation ◽  
Supply Chain ◽  
Inventory Management ◽  
Simulation Software ◽  
Total Cost ◽  
The Third ◽  
Inventory Strategy ◽  
One Year ◽  
The Cost ◽  
Operation Cost

Inventory is an important link in supply chain, according to characteristics and objectives of inventory control, the reasonable safety inventory, order point, the highest inventory and inventory strategy were determined based on historical sales data. Using Witness simulation software, the optimal strategy was selected from nine inventory strategies by running simulation model for one year. If goods shortage was allowing, the seventh schemes (72000,158100) was better ,the minimum total cost was 888158 yuan ; considering allowing a small amount of shortage, the cost of eighth schemes ( 82000,158100) was least of 1095167; the third scenarios (92000,138100) was selected if without shortage, and the minimum total cost was 1254909 yuan. This shows, the application of computer simulation to assist in the management of inventory is scientific and feasible, it can help enterprises to save the order and operation cost.

Finding Minimum Cost Tool Grouping Schemes on Machining Systems

1997 ◽  
Author(s):  
Derek Yip-Hoi ◽  
Debasish Dutta
Keyword(s):  
Tool Life ◽  
Minimum Cost ◽  
Good Tool ◽  
Machining Center ◽  
Grouping Strategy ◽  
Cost Strategy ◽  
Grouping Strategies ◽  
Machining System ◽  
The Cost ◽  
Cost Components

Abstract Changing worn tools is a major concern in planning operations on machining systems. Strategies for replacing tools range from changing each tool as it reaches its projected tool life, to changing all tools when the tool with the shortest life on the machining system is expended. Intermediate strategies involve changing tools in groups. Each of these strategies has two cost components associated with it: (1) the cost of lost production due to machine tool stoppage, and (2) the cost of unused tool life. The best tool grouping strategy minimizes the combined cost of lost production. In this paper we present an approach for finding good tool grouping strategies from inputs that include the tool utilization for a given machining application, and the tooling and machining system costs. A genetic algorithm is used as the underlying optimization paradigm for finding the minimum cost strategy. An example is presented for a part produced on a machining center.

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