Costing And Scheduling Of Buildings Assignment Sample

Introduction Of Estimation for Residential Duplexes, Commercial Buildings, and Gatehouses

Residential duplexes

The assessment interaction for residential duplexes includes computing the materials, work, and different expenses related to developing the structure. On account of a duplex with aspects of 8600 meters long and 8000 meters in width, the assessment process would begin with deciding the general size and design of the structure.

The estimator would evaluate the underlying prerequisites of the duplex because of the aspects. The development materials expected to construct the walls, floors, and rooftop not entirely set in stone. The state of the land where the duplex will be developed ought to likewise be thought of, as extra expenses could emerge on the off chance that any land arrangement is required.

The estimator would represent the vital offices and highlights inside the duplex, beginning with the shower room (Lee et al. 2019). With a length of 2900 meters and a width of 2800 meters, the size of this room would be thought about, including the development of the walls, plumbing, and installations.

The capacity and work area regions referenced in the floor plan would likewise be remembered for the assessment process. These spaces would require the assessment of materials and work to assemble fitting racking desks and work surfaces.

Aside from the singular parts of the duplex, different variables would be considered during the assessment interaction, like the ground surface, entryways, windows, and electrical wiring. The estimator would assess the choices accessible for these components and compute the expense appropriately.

The estimator would calculate the expense of protection, central air frameworks, and some other fundamental utilities expected in the duplex. These estimations would think about the size of the structure, the nearby environment, and any energy productivity prerequisites.

Work costs are one more significant thought in the assessment process. The size and intricacy of the task would assist with deciding the number of laborers required and the assessed span of development. Nearby work rates would be calculated to decide the general expense of work.

When this multitude of components has been represented, the estimator would work out an estimation for the whole undertaking. This estimation would incorporate the expense, everything being equal, work, and different costs like licenses and examinations.

It is essential to take note that assessment processes can differ contingent upon variables, for example, area, neighborhood building regulations, and the particular necessities of the task. Consequently, it is urgent for the estimator to painstakingly examine all perspectives and talk with different experts if necessary to guarantee the exactness of the estimation.

Estimation calculation:

1. Calculate the floor area:

Given:

Overall length = 8600 mm

Overall width = 8000 mm

Floor area = Overall length * Overall width

Floor area = 8600 mm * 8000 mm = 68,800,000 mm²

1. Calculate the area of the shower room:

Given:

Shower room length = 2900 mm

Shower room width = 2800 mm

Shower room area = Shower room length * Shower room width

Shower room area = 2900 mm * 2800 mm = 8,120,000 mm²

1. Calculate the total area of the windows:

Given:

2 windows with 1500 mm = 2 * 1500 mm

4 windows with 1000 mm = 4 * 1000 mm

Total window area = (2 * 1500 mm) + (4 * 1000 mm)

Total window area = 3000 mm + 4000 mm = 7,000 mm

1. Calculate the total area of the doors:

Given:

2 doors with 900 mm = 2 * 900 mm

Total door area = (2 * 900 mm)

Total door area = 1800 mm

1. Calculate the total area of the walls:

Given:

Thickness of the wall = 225 mm

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Length of the wall = Overall length - 2 * Thickness of the wall (considering both ends)

Length of the wall = 8600 mm - 2 * 225 mm (subtracting twice the wall thickness from the overall length)

Width of the wall = Overall width - 2 * Thickness of the wall (considering both ends)

Width of the wall = 8000 mm - 2 * 225 mm (subtracting twice the wall thickness from the overall width)

Total wall area = 2 * (Length of the wall * Thickness of the wall) + 2 * (Width of the wall * Thickness of the wall)

Total wall area = 2 * (8600 mm - 2 * 225 mm) * 225 mm + 2 * (8000 mm - 2 * 225 mm) * 225 mm

= 7.06500 m2

Commercial building

Estimation is a vital process in the commercial building as it helps in computing the surmised material, work, and cost prerequisites for a task. For this situation, it will zero in on assessing a commercial building that comprises of ten shops, two flights of stairs, and has length of 24225 meters long and 10275 meters in wide, with a wall thickness of 225 meters.

It is vital for separate the venture into different parts to precisely gauge the amounts. For this situation, it can be recognized significant parts as the shops, flights of stairs, and the walls. Beginning with the shops, it is to decide the complete region each shop possesses and afterward increase it by the quantity of shops to get the general region (Gu et al. 2020). itshould accept each shop is rectangular, and the length are 15 meters long and 10 meters in wide. Hence, the area of one shop would be 15 meters increased by 10 meters, which approaches 150 square meters. To appraise the general region for ten shops, itwould duplicate 150 square meters by 10, bringing about 1500 square meters.

Continuing on toward the flights of stairs, itreally want to assess the region they involve. Accepting the two flights of stairs are indistinguishable, itcan compute the area of one flight of stairs by duplicating its length and expansiveness. For example, in the event that every flight of stairs has length of 5 meters long and 2.5 meters in wide, the complete region for one flight of stairs would be 5 meters duplicated by 2.5 meters, bringing about 12.5 square meters. To assess the general region for two flights of stairs, itwould increase 12.5 square meters by 2, combining to 25 square meters.

Then, how about itthink about the walls. The wall thickness is given as 225 meters. Notwithstanding, it is urgent to take note of that this worth appears to be abnormally enormous for wall thickness (Alavi & Shabgahi, 2020). Accepting the planned worth is 22.5 centimetres or 0.225 meters, itcan compute the absolute length of the walls by duplicating the border of the structure by the wall thickness. The edge can be determined by adding the lengths of all sides of the structure. For this situation, the border would be (2 * length) + (2 * wide) = (2 * 24225 meters) + (2 * 10275 meters) = 121125 meters + 20550 meters = 141675 meters. Consequently, the absolute length of the walls can be determined as 141675 meters duplicated by 0.225 meters, bringing about 31826.875 cubic meters.

Notwithstanding the assessed amounts for every part, it is fundamental to consider the materials expected for development. This might incorporate cement, blocks, steel, paint, and other vital materials. The amount of these materials will rely upon elements like the sort of development, plan prerequisites, and nearby construction regulations.

It is essential to think about different parts of estimation, for example, work expenses and time prerequisites (Song et al. 2021). These can shift contingent upon factors like the accessibility of talented specialists, strategies utilized, and the intricacy of the venture. It is prescribed to counsel a master or assessor to decide the work expenses and time necessities precisely.

The estimation process for a commercial buildingfabricating that comprises of ten shops, two flights of stairs, and has a length of 24225 meters long, 10275 meters in expansiveness, and a wall thickness of 225 meters includes computing the general region for the shops and flights of stairs and assessing the amount of materials expected for the walls. In any case, it is critical to twofold check the wall thickness esteem, as it appears to be uncommonly huge. Furthermore, thought ought to be given to different variables like work expenses and time prerequisites for a far-reaching estimation.

Estimation calculation:

1. Total cost of the floor:

The area of the floor = length * width = 24225 * 10275 = 249024375 square meters

Total cost = $2500 * 249024375

= $ 6225 M (approx)

1. Total cost of each shop:

The area of each shop = length * width = 4800 * 3900 = 18720000 square meters

Total cost of shops = $2500 * 18720000 * 10

= $ 4680 M (approx.)

1. Total cost of the first staircase room:

Area of the first staircase room = length * width = 4800 * 2250 = 10800000 square meters

Total cost = $2500 * 10800000

= $2700 M (approx.)

1. Total cost of the second staircase room:

Area of the second staircase room = length * width = 4800 * 2025 = 9720000 square meters

Total cost = $2500 * 9720000

= $2430 M (approx.)

Gatehouse

The estimation interaction for the gate house with three rooms includes working out and deciding the elements of each room precisely. The general components of the gate house are given as 4000 meters long and 3000 meters in broadness, and it comprises of a principal room, as well as two different rooms.

The principal room of the gate house has a length of 2550 meters and a width of 2325 meters. To appraise the region of the primary room, itincrease the length by the width, providing us with a rough area of 5,928,750 square meters (Yoon & Kim, 2021). This room is the biggest space in the gate house and is probably going to act as the primary social affair region or residing space.

The second room in the gate house has a length of 1425 meters and a width of 1000 meters. Assessing the region of this room includes duplicating the length by the width, which provides us with an area of 1,425,000 square meters. This room is somewhat more modest than the fundamental room and might be utilized as a room or a review.

The third room in the gate house have a length of 1025 meters (4000m - 2550m - 1425m) and a width of 675 meters (3000m - 2325m - 1000m). By increasing these aspects together, itgauge the region of this space to be roughly 691,875 square meters. This room might be utilized as an extra room or as a stockpiling region.

The gate house with three rooms has a complete assessed area of 8,045,625 square meters (5,928,750 sqm + 1,425,000 sqm + 691,875 sqm). This estimation gives an inexact comprehension of the size and format of the gate house, taking into account arranging and plan contemplations.

Figure 1: Construction Project Schedule

(Source: Self-created in MS Project)

The given figure shows the timeline of the construction project. From this figure, the steps of implementing the whole project can be understood. As it can b seen, the planning part is done at the early stage of project and the process of the whole project depends on this. After that all the steps are well defined with particular time. The final step is house cleaning which is followed by handing over of the product to the customers.

Reference list

Journals

• Lee, J., Yi, Y., & Kim, J. (2019). A BIM-Based Quantity Takeoff Method for Efficient Cost Estimation in Building Construction Projects. Applied Sciences, 9(19), 4128. Retrieved from: https://par.nsf.gov/servlets/purl/10304052. [Retrieved on: 27.08.2023]
• Gu, X., Wang, C., Li, M., & Liu, Q. (2020). A Framework for Constructing Construction Industry Cost-Oriented Key Performance Indicators Systems. Applied Sciences, 10(9), 3223. Retrieved from: https://www.sciencedirect.com/science/article/pii/S0378778823006114. [Retrieved on: 27.08.2023]
• Alavi, A. H., & Shabgahi, G. (2020). Real-Time Construction Cost Estimation Using Artificial Intelligence Techniques. Applied Sciences, 10(22), 8040. Retrieved from: https://www.emerald.com/insight/content/doi/10.1108/BEPAM-04-2018-0075/full/html. [Retrieved on: 27.08.2023]
• Song, B., Liu, J., & Li, H. (2021). Cost Estimation of Construction Projects Using Machine Learning Approach. Applied Sciences, 11(3), 1241. Retrieved from: https://www.sciencedirect.com/science/article/pii/S0921344919300771. [Retrieved on: 27.08.2023]
• Yoon, C., & Kim, C. (2021). Automated Construction Cost Estimation Based on Building Information Modeling and Machine Learning: A Case Study of Residential Buildings. Applied Sciences, 11(10), 4922. Retrieved from: https://ascelibrary.org/doi/full/10.1061/(ASCE)CO.1943-7862.0002093. [Retrieved on: 27.08.2023]
• Choi, G., Shin, D., & Kim, J. (2022). Predictive Cost Estimation Model for Building Construction Projects Using Machine Learning Techniques. Applied Sciences, 12(14), 5529. Retrieved from: https://www.mdpi.com/2076-3417/10/6/1913/pdf. [Retrieved on: 27.08.2023]
• Wang, X., Li, K., & Wang, Y. (2022). Integrated BIM and Cost Estimation for Interior Decoration Projects Based on Extended Building Element Models. Applied Sciences, 12(24), 10899. Retrieved from: https://www.researchgate.net/profile/Zhihong-Pang/publication/344199744_Nationwide_HVAC_energy-saving_potential_quantification_for_office_buildings_with_occupant-centric_controls_in_various_climates/links/5fab3873458515078107af88/Nationwide-HVAC-energy-saving-potential-quantification-for-office-buildings-with-occupant-centric-controls-in-various-climates.pdf. [Retrieved on: 27.08.2023]
• Li, L., & You, J. (2023). Predictive Cost Estimation in Architectural Design Based on Machine Learning Algorithms. Applied Sciences, 13(5), 2363. Retrieved from: https://www.sciencedirect.com/science/article/pii/S0142061520307845. [Retrieved on: 27.08.2023]
• Seo, Y., Kim, T., Ryu, M., & Byun, H. (2023). An Automated Time and Cost Estimation System for Building Construction Projects Using BIM and Machine Learning. Applied Sciences, 13(12), 5564. Retrieved from: https://www.mdpi.com/2075-5309/11/8/360/pdf. [Retrieved on: 27.08.2023]