Abstract
The paper deals with the development of electricity production in the Czech Republic and its consumption in the construction industry. The research specifies individual types of appliances - electric motors, lighting, heating, water heating and information technology in a selected newly constructed building. Construction machines with electric motors have been taken out of the itemized budget of the construction, their electric power input and time of their use have been determined. In order to determine other consumption, the equipment of a construction site, individual electrical appliances, their power input, number and time of their use have been proposed. Methods of consumption measuring and its division into the implementation costs of constructions in the way usual in the Czech Republic are presented. Furthermore the possibilities of optimizing electricity consumption costs within the project management by choosing a supplier and discussing other possible measures during the construction process have been considered.
Highlights
The place where construction projects are implemented is the construction site
The payment of electricity prices has two sources in the system used. They are 1a – basic budgetary costs (BBC), where the price of construction work includes the price of consumed electricity. This applies to large construction machines with electric motors. 1b – BBC, where the overhead of production includes electricity consumed by small mechanisms and information technology 2 – ancillary budgetary costs (ABC), where the price of construction site equipment includes the price of electricity used for lighting, heating, water heating and other appliances not mentioned elsewhere Within the construction of the electrical connection, the construction site is equipped with a single meter of consumption - an electricity meter
It can be concluded from the numerical valuation of the electricity price on the price of used construction that the percentage share of the electricity price is very low (0.60%)
Summary
The place where construction projects are implemented is the construction site. Its total area is given by the sum of the built-up areas of all construction objects and by the area of land on which the facilities used for construction are located These include production, storage, communication and social facilities. It is used in the purchase, production, processing and recycling of building materials and in the transport of materials to the construction site. The research divides the electricity consumption on the construction site according to its use. Financial resources for the payment of its price, which are based on the usual budgeting process of construction works in the Czech Republic, are described.
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