This document discusses the roles and responsibilities of different specialists in the construction industry and how they work together to build a school. It also covers the main stages of construction and the use of BIM in the process. Additionally, it explores how BIM can help reduce the running costs of a school.
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1 CONSTRUCTION PRACTICE AND MANAGEMENT By Name Course Instructor Institution Location Date
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2 Question 1 The current construction industry requires a different specialist. All the specialist companies which will take part in the development of the project will be tasked to carry out specific roles and responsibilities1. For the project to be implemented, there must be a team of practitioners such as architects, engineers, quantity surveyors, contractors, construction managers, town planners among. Also, there will different specialist companies such as structural engineering, mechanical engineering, electrical engineering, plumber companies, woodworkers'painters, etc. Who will be involved in the design and construction of the Junior school. How different trades work together to build the school. 1Herbert Robinson,Design Economics for the Built Environment: Impact of Sustainability on Project Evaluation,Chicago, John Wiley & Sons,2015
3 Question 2 a)How the construction of a junior school on the site of an old factory building would involve the skills and specialisms. All the specialists and practitioners who will take part in the construction of the junior school will use their expertise and experience to perform their roles and responsibilities. As follow; The surveyor will be the custodian of all land information. The size, topography, site features, location and the features which are beneath the land upon which the project will be developed. If this kind of information which is expected from the surveyor is there will be adequate, proper, accurate and effective planning, designing and implementation of the proposed junior school will be achieved. The town planner will be responsible for the orderliness in the developmental layout which will show different land used. The town planner will be responsible for developing the master plan, a layout which will take into consideration the culture, population, social economic, infrastructure, human needs, and political factors. During the construction stage, the Town planner will ensure that the orderliness in the master plan is not distorted and that all the approvals which were given are strictly adhered to. The architect will be responsible for assisting the client to formulate the project requirements in a much understandable way while bearing in mind any statutory condition which may apply. The engineers who will part in the project implementation include; the civil engineers, the structural engineers, the mechanical engineers, and the electrical engineers. Engineers will be very essential members of the design team, their responsibility will be to assist the overall design of the project within the scope of their specialist fields. Engineers such as the structural,
4 mechanical will conduct some analyses and calculations before arriving at the final design solution for the project2 The builder who is also referred to a contractor is a professional who will be at the center of the physical construction of the project. The main role of the builder in this given project will be constructing the project. The builder will construct the project by taking charge of all the activities which are carried out in the construction site. The builder will also be responsible for translating the design, schedules, working drawings and specifications into a physical structure. The builder will make application of his or her management knowledge, together with the available resources such as manpower, materials, and the machinery in the construction site to execute the project. The project manager will be responsible for inspecting materials on site and the workmanship of the work being carried out. The project manager will be presenting the interests of the client on site by inspecting material, project components specified by the architect and also the project manager will be responsible in checking the dimensions of the project to ensure that the builder does not alter the drawings generated by the architect and the engineer b)Main stages of the construction from tendering through to hand over The overall construction process involves the following stages: Stage 1: Planning Stage 2: Design Stage 3: Tendering 2Burns Thomas,Real World Applications of BIM in Construction,Chicago, John Wyatt Publishing,2017
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5 Stage 4: construction Stage 5: Handover Stage 6: Evaluation From tendering to hand over the construction process involves the following: During tendering the following takes place; oPreparation of the tender documents with sufficient details to enable a tender or a number of tenders to be obtained for the construction of the project. oAt this stage, the quantity surveyor prepares the bill of quantities oAt this stage the client with other practitioners involved in the project to select the contractor oAt this stage, the responsibilities of different parties in the project will be considered. During the construction process the following activities will take place; oSite preparation which will include the provision of the site amenities, vegetation clearing, and construction of access paints. oExcavation of the foundation oConstruction of the substructure to ground floor level. oPouring of the sub-floor concrete oConstruction of walls oConstruction of the roof oPlastering of all the internal and external walls. oInstallation of the secondary fixtures such as doors, radiators, skirting, etc.
6 oCleaning and testing oHand over. c)Specialisms would be employed during each of the main stages of the construction from site clearance through to hand over Stagespecialist Site preparationoBuilder oProject manager oTown planners oArchitect oSurveyor Excavation of the foundationoStructural engineer oBuilder oSurveyor oArchitect Construction of the substructureoBuilder oProject manager oStructural engineer Pouring of the sub-floor concreteoStructural engineer oBuilder oProject manager Construction of wallsoBuilder oProject manager
7 Construction of the roofoArchitect oProject manager oBuilder oStructural engineer Plastering of all the internal and external walls oBuilder oProject manager Installation of the secondary fixturesoElectrical engineer oArchitect oProject manager oCarpenters oMechanical engineers oBuilders3 Handing overoProject manager Main factors which differentiate between construction companies, contracts and tendering Construction companies are companies which are involved in the execution of the construction projects. The construction companies are divided into different categories depending on the type of jobs they are involved in some of the construction companies include; General construction companies, renovation construction companies, real estate developers, builders and profession construction consultants while construction contracts are mutual agreements between two parties 3Issa, Raymond,Building Information Modeling: Applications and Practices,Kiev, American Society of Civil Engineers,2013
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8 in the construction industry based on the condition and policies documented in a form. There are different types of construction contracts such as; Cost plus fixed fee contract, special contracts, lump sum, and scheduled contracts and percentage rate contract. Question 3 a)Main concerns that the local council would include in any tender document The tender documents will be means through which the work requirements will be communicated to the tendering constrictors. The local council will include the following in the tender documents; oThe scope of the project oThe conditions under which the project (school) will be constructed oThe project specifications oBill of quantities of the project oThe works requirements oThe preliminary health and safety plan4 oThe pricing documents All the above-mentioned concerns will enable the tendering contractors to understand the scope and nature of the work to be carried out. b) How BIM helps the council to select the design of the school 4Kelleher Thomas,A Practical Guide for the Construction Professional,London, John Wiley & Sons,2011
9 The information which was gathered and stored in the BIM repository during the planning stage will govern the design selection of the project. The main aim during the primary design is to ensure that the development of design and construction documents which are required during the project delivered will be functional, liveable, secure, safe and sustainable. All the decisions which will be made during the design stage should make consideration of the constructability, operational and maintainability of the proposed project sharing at the design stage5 BIM plays a very crucial role during the designing stage of the project since it will be used in authoring of all professionals who will be involved in the project design. The authoring of the professionals who took part in the project design will enable to track, the errors or any other confirmations that might require some clarification. During design, BIM will also be used to carry out the structural analysis of the project. This will involve the structural design of the structural, elements such beams and columns which will be used in the construction of the bridges. It will be much easier to carry out the structural analysis with the use of BIM since the standards and specifications can be easily be fed into BIM and generate a structural for the elements, this will include the reinforcements which will be used in the construction of the structural elements. During design will greatly depend on making the application of BIM to attain the illumination required for given elements within the project. This will guide the electrical engineers regarding the types of lamps they will use for the given project (Kaneko, 2013, p. 651). Application of BIM in the construction stage 5Reddy Pramod,BIM for Building Owners and Developers: Making a Business Case for Using BIM on Projects,London, John Wiley & Sons, 2016
10 BIM will provide a collaborative environment for the information and the knowledge which will be required during the construction process. BIM will play a very vital role in site utilization and designing. This will involve the position of all the support facilities that will be required, construction of diversions, site clearing, and construction of storage facilities and provision of services such as water. Building information modeling (BIM) will also play a very important role in the designing of the construction system. This will involve the construction of the false work and the scaffoldings where they will be required. The formwork will first be designed in BIM before it is constructed on site. During the construction of the project, BIM will enable a powerful visualization which will facilitate the construction-specific time frames as planned well. By viewing the construction process and planning for it in advance it greatly helps in detection of the problems which were likely to be encountered during the actual construction process6 BIM will be of great help in the digital fabrication of the construction components. For instance, in the fabrication of the steel beams and column which will be required for the construction of the project will be achieved through the application of BIM. The specification of the elements will be fed into the BIM database whereby they will be used to fabricate the elements automatically. The automatic fabrication of the building elements will make the project delivery to be much faster and efficient which on the other hand will save a lot of time and resources. Which will be channeled to other facilities within the project. 6Guggemos Angela,Environmental Impacts of On-site Construction Processes,Chicago, University of California, Berkeley,2016
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11 c)Factors would be taken into consideration by the main contractor when looking for small local companies who could act as sub-contractors. Some of the factors that will be considered before the selection of the local subcontractor include; i)On-time delivery The contractor will select a local subcontractor who will be able to deliver on time. Usually delay in construction projects are very expensive. ii)Communication The selected local subcontractor must have open communication with the main contractor. All the concerns which arise should be effectively communicated to the main contractor. iii)Quality of work. The main contractor will check the quality of work which is given by the subcontractor. The main contractor will select a subcontractor who will be able to deliver high-quality work. iv)Track records of the subcontractor. The contractor will select a subcontractor with a good track record since this will give an idea of the experience the subcontractor. Other factors which will be considered include; oConflict management skills oCooperation oTeamwork
12 Question 4 a)Application of BIM from the very early stages to control the building process During the project planning, BIM will be used to break down the project into phases and then plan on how the stages will be implemented. The project phases will be further broken down into manageable components which will ensure easy design and construction of the project. The project will be broken down into the implementation stages i.e. the planning, designing, construction, operation, and maintenance. Also, those stages of project implementation will also be broken down for easy planning and implementation7. During planning, BIM will be used to carry out site analysis whereby the site will be analyzed before the design and construction of the project. BIM will be used in the analysis of the site topography by the surveyor, also during site analysts, different elements will be analyzed for instance the climate of the area will be analyzed and conclusions will be made on how it affects the implementation and operations of the project. The human activities carried out within the proposed project site and the neighborhood will also be analyzed with the use of BIM. During project planning, BIM will also be used in the preparation of the project program on how the project will run from, the design stage to maintenance. The breakdown of the project which was done initially will also be used in the preparation of the program. BIM plays a very crucial role during the designing stage of the project since it will be used in authoring of all professionals who will be involved in the project design. The authoring of the 7Lancaster Patricia,Construction in Cities: Social, Environmental, Political, and Economic Concerns, Chicago, CRC Press,2010
13 professionals who took part in the project design will enable to track, the errors or any other confirmations that might require some clarification. b)How BIM will reduce the running costs of the school BIM will be able to deliver real-time data and specifications regarding the operations and maintenance the school requires. Having BIM in place it will eliminate a lot of reliance on the paperwork (Documents) on school utility systems, buildings and data about the tools and equipment. BIM enables enhanced work which will be able to detect the potential problems and also offering the necessary alerts on the maintenance updates and ensuring that there are proper repair and maintenance. The use of BIM in the management of the school will lead an organized approach to preventive maintenance, more equipment uptime and it will bring about transformative changes through revenues and the likely reduction of the annual running costs8 BIM will enable effective specification of the plan which will be required for construction of the school. With BIM during the drafting of the plans, it gives choices of the materials that can be used for the construction of different elements of the school. With that, it will be possible to select the right products at the right price, which will in turn help in the reduction of the construction cost of the project. With the use of BIM in the school, it will be possible to reduce the staff costs, this is because there is a lot of time which is saved by eliminating the data re-entry. By specifying, estimating and designing at the same time. Not only time will be saved but also unnecessary steps and expenses which were to be incurred. 8James Balogh,Environmental Issues,London, CRC Press, 2014
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14 BIM will play a very crucial role in avoiding errors and the loss of information. Usually, human errors are associated with losing a lot of money. With BIM it will be possible to reduce human errors which will be occurring when the school will be operating9. c)How BIM will ensure safety and health both during the building and when the building is eventually in use. BIM will greatly contribute to ensuring that there are safety and health during the construction of the school in the following ways; With the application of BIM during construction, it can facilitate Model-driven fabrication and off-site fabrication. Building components such as windows, doors, steel beams, and columns, will be done outside the site in a much controlled and safe environment. BIM will present an automated ability to check against a set of rules or codes which have to be adhered to during the construction and operation of the school. Scenario planning will be possible with the use of BIM during the construction of the school. The contractors will be able to construct the school virtually before the actual construction. With that, it will be possible for the contractor to explore a number of scenarios which might be hazardous during the actual construction of the project. BIM will offer clash detection, whereby it will be possible to identify the collisions which might occur during the actual construction and then control than before construction commences. d)Role of CDM in the construction process 9Kotaji Shpresa, Life-cycle Assessment in Building and Construction, Chicago, SETAC, 2017
15 The role of CDM in the construction of the junior school will be ensuring that the health and safety issues are properly considered during the construction of the school so that the risks of harm to the workers and other parties involved in the construction of the school is reduced. The rule that only companies with good safety records will be observed during the selection of the contractor and the subcontractors. This will be achieved by considering if they have met the required health and safety standards10. References Angela, Guggemos, Environmental Impacts of On-site Construction Processes,Chicago, University of California, Berkeley, 2016 James Balogh,Environmental Issues,London, CRC Press, 2014 10Gresham Smith, A Handbook for Addressing Water Resource Issues Affecting Airport Development Planning, Texas, Transportation Research Board, 2018
16 Issa, Raymond,Building Information Modeling: Applications and Practices,Kiev, American Society of Civil Engineers, 2013 Patricia, Lancaster, Construction in Cities: Social, Environmental, Political, and Economic Concerns, Chicago, CRC Press, 2010 Pramod, Redd, BIM for Building Owners and Developers: Making a Business Case for Using BIM on Projects,London, John Wiley & Sons, 2016 Robinson, Herbert,Design Economics for the Built Environment: Impact of Sustainability on Project Evaluation,Chicago, John Wiley & Sons, 2015 Shpresa, Kotaji, Life-cycle Assessment in Building and Construction, Chicago, SETAC, 2017 Smith, Gresham , A Handbook for Addressing Water Resource Issues Affecting Airport Development Planning, Texas, Transportation Research Board, 2018 Thomas, Burns,Real World Applications of BIM in Construction,Chicago, John Wyatt Publishing, 2017 Thomas, Kelleher,A Practical Guide for the Construction Professional,London, John Wiley & Sons, 2011
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