Introduction This report was written to provide information to a client and provide advice on the integration of mechanical and electrical building services into a 2-building office building plans. The building also has basement space available for plant allocation. The areas which have been requested to be considered are: Mechanical heating, ventilation and air conditioning systems Heat load calculation Lighting provision Fire and security systems Each section will be accompanied by a series of sketch drawings showing methods and installation locations within the building. Evidence from external sources must be used to strengthen the document. References to the proposed building plans can be found in the appendix Mechanical HVAC Services If it is any building, some services need to be considered in the design stage to enable the occupants to have reasonable conditions and a comfortable working environment. HVAC systems (heating, ventilation and air conditioning systems) are used to provide buildings with odorless and cool "air conditioning", as well as ensuring that the temperature, humidity and air flow are within a certain range of attractive comfort for the occupants. Figure 1 on page 5 is a diagram that explains a basic design process when designing a heating or ventilation system for a building. Heating Systems According to the Institute of Building Services Engineers 'a successful heating system design will result in a system that can be installed and commissioned to provide the required internal temperatures for the customer.' (CIBSE Guide B 2004) a heating service should also be designed to maintain its original performance capabilities throughout its intended life with little need for maintenance... half paper... working environment and minimal maintenance is required both at system than to the installation area. It is necessary to take into account the delay of water in transport to the system, a quote from CIBSE Guide E states that "the velocity of water in the event of a fire should be carefully considered". respected the suggestion of a maximum pipe volume of 2.5 m3 or a supply of water to the sprinkler within 60 seconds" (CIBSE Guide E 2004). This will need to be incorporated into the final designs. By law a sprinkler system within a building must have its own water supply. A proposed water tank should be installed within the plant room for the use of the system and shall be incorporated with the water heating system. In case of emergency, the connection to the municipal aqueduct will be made, further costs will have to be discussed with those responsible.