Site Investigation for 5-Story Hotel Project in Northwest England Case Study

Site Investigation for 5-Story Hotel Project in Northwest England

Introduction: Planning a Site Investigation for a Proposed Hotel in Northwest England

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Continuous urbanization led to several hotels, complexes, lodges, etc. This project shed light on planning a site investigation for a five-story hotel situated in the northwest of England. The report is all about conducting a desk report of the hotel including its topographical, geological, and soil study report. The desk study comprises the possible risk of the mentioned meteorological condition. This report crystallizes on the soil condition, weather condition, and boreholes by trial pits. In-situ tests carry forward and a detailed site investigation report has been analyzed in this report. The detailed site investigations report will help to make decisions in geotechnical recommendations for the designing and constructing of the proposed project.

Desk Study

The proposed assessment asked to make a site investigation report on a hotel situated in the northwest of England. In this report there need to find the development scope for the new hotel complex proposed in that area. The place comprises a five-story hotel complex with a car parking area. The proposed hotel will occupy an area of approximately 80m*60m. The desk study report will consist of identifying any potential geo-hazards that may impact the proposed plan. The preliminary risk assessment of the surrounding hotel area composed will be analyzed in this report. The area is a populated area perfect location for the proposed project to earn the maximum revenue (Li, 2022). The area is covered with sediment particles comprising the glacier till. The metrological data, including the topological, geological, and soil survey has been collected through several testing.

The topology of this area is interesting. This area is well-known as an industry-related area. Industrialization is the past recognition that's why it is a populated, developed city of England. Based on the previous area of this place, this place is a high-risk area because of the mining holes there. Mine-gas risk can occur outside this area, the place where the project is proposed to be planted. Air pollution is a possible risk for people, Industry areas released some gas that is poisonous to the health. Coal-mining risk assessment should be done in detail before planning the hotel. A dangerous gas like methane can be released, and the required risk assessment is needed to be submitted to the coal mine authority. The area has an uneven settlement of the ground and buildings forming a broken line all over the glacier which is due to the mining. The drift comprises sand or gravel overlying the coal measures forming a laterally 15m deep hole. So there is some risk in their topology of the mentioned area. 

The geological data says this area is an industrialization area comprising several coal mines named Westphalia coast mines. The bedrock is present covering the Westphalia mines, the sequence of sandstones and mudstones are subordinate throughout the bedrock. The sediment of glaciers is formed throughout the upper surface of the bedrock and drained by the rivers including coral. This area mainly consists of glacial deposits overlying the Westphalia area. The creation of sandstone and mudstone is generally due to the presence of coal mines. The area comprises highly sourced minerals, de[position of coal and other mineral are the identities of this place. This place has some buried valleys and it has some man-made ground for its own uses like transportation etc.

Soil pollution is a factor in this place they are contaminated with minerals. Building rock and crushed rock comprises all over the area they are not suitable for the rocky area plantation. A pollution risk is there for the people due to industrialization all over the area. This metrological analysis is done based on research by questioning the citizens, and varying tests have been done in this regard (Hegazy, et al. 2018). These data are the preliminary analysis of the area mentioned, furthermore, a preliminary risk analysis on topology, geology, and soil research has been done throughout this desk study.

Figure 1: Plant on site

Figure 2: Topographic map indicating lowland and highlands

The topographic map related to land has indicated effective ideas about the construction project. The above figure has highlighted the ideas about the lowlands and highlands. The height of the land that has resided between 2000 to 1000 meters high from the sea level has been identified as lowlands as reflected by red areas in the above figure. The land that has more than 3000 to 4000 meter has indicated by white colour in the above figure. the white and grey-coloured lands have been identified as higher-level land.

Planning of site investigations:

The assessment consists to make a site investigation report for the hotel that wants to plant their hotel in the southwest area of England. The primary role of this report is to indicate the risk associated with the planting of the project. The geological survey has been completed and all the necessary information will be discussed here. The planning has been done on how the work will proceed with the site investigation. The site investigation has been started, and proper planning of the remaining is about to do in this part. The site investigation plan consists of two-part, first, is the planning based on the findings of reconnaissance, constraints, and procurement method, 2022). The second part is making a design from the analysis.

Figure 4: Location 

In the above desk study, the metrological data comprises the geological structure, topological structure, and the soil condition that has been covered up. The proposed plant area is in the northwest area of England, the area to be occupied for the plant is about 80m*60m. The area presents a building with a car parking area and amenity area are there. The reconnaissance has to be based on the development required for the project. The required part has to analyze in this part id to examine the cracks and the soil quality of the place. The preliminary examination consists of an assessment of the soil using a borehole or open-up test pit (Ge and Wu, 2019). The risk of soil erosion is there, and the required assessment needs to be done for long-term scenarios. 

Figure 5: Trial pit and boreholes

The possibility of vibration or earthquake is a factor that has to check thoroughly by applying the testing phase. A few borings will be made to analyze the soil quality and possible location of the groundwater. Initially, a test pit is opened up to measure the quality of the soil. The valuation of the overall trial pits and boreholes has been effectively stated based on the proper understanding and reflection of the overall work area. The stated valuation of the boreholes has a clear implication on stating the construction area and the valuation of the required boreholes at the construction. Next, the foundation strategy and construction properties have to be evaluated for assessment of the risk. Five boreholes to measure the soil quality and three trials pit to estimate the water flowing length has been done initially. The foundation works consist of the measurement of the mentioned scenario; accordingly once a ground investigation is done a foundation design will be formed based on the analysis report. The strategy planning should consider all the parameters like groundwater availability, soil research data, and the structure of the geological area. 

After the ground investigation, a detailed analysis o the report has to be prepared, and accordingly, the plan will be made for planting the hotel. Field data presentations required on how many boreholes are there, the soil condition, and the risk assessment data have to mention. The site investigation categorization may be done based on the requirement. A total number of boreholes and trial pits at the time of constructing the 5-storey hotel building can require 48 as the total ground area for the building construction is approx. 80m*60m. It has effectively stated the total number of boreholes in the five-storey construction building has been 48 which are based on the total area as 80m*60m. The depth of the borehole is 18.5 m this has been calculated by using the formula 6n^0.7. Here, n is represented the number of storeys of building planned to be constructed. The total number of boreholes has clearly stated based on the work area as it has required including one borehole with every 18.55 meters of depth. The depth of the borehole has depended on the height of the construction project. The extra-depth borehole has provided a strong base for the construction project. The total area of the building is 80m*60m stated as the valuation of the effective number of boreholes and trial pits. The valuation of the boreholes has been analyzed based on the building area. Moreover, it has also attached the Car parking plus amenity areas that can need area, which has been deducted from the total, work area as 80m*60m. The overall analysis that should be done has been mentioned throughout this section. The analysis o the components will help to establish a relationship on the serving term period, and it will indicate all the risk factors that should be considered for the future. 

Category	Structure	Ground Condition
1	Small/ simple/ straightforward	Uniform/ Adequate characteristics
2	Conventional	Varied characteristics
3	Large/ Unusual	Complex/ Problematic/ poor characteristics

Figure 6: Structure 

In-situ tests and laboratory tests:

The above section has highlighted the strategy that should be done for analyzing the topological, geological and soil research. This section will highlight the possible testing methods that will be used for analyzing the soil. In-situ tests are used to calculate the soil structure and the quality of the soil. The soil may be damaged and the possible risk of erosion of the soil is a common problem that should be analyzed. The examination of geological and hydrological maps is done by in-situ examination followed by different parameters. The parameters of in-situ examination are borehole logging, excavation, geophysical testing, evaluation of groundwater, and required laboratory testing are the parameters that should be done during the planning of site examination. 

Figure 7: Soil Investigation

In-situ geotechnical tests are standard penetration test (SPT), Cone Penetration test (CPT), Pressure meter test, and Flat dilatometer test (DMT). All these tests are to measure the quality of the soil. The comprised test will analyze the soil structure and determine the longevity of the soil. The possible risk factor may be soil erosion, and the disruption of the soil these all can be analyzed by doing the following test. The vane shear test (VST) measures the structural strength and it is used to find out the undrained shear strength of the fine-grained soil (Amann et al. 2018). The borehole shear test consists of drilling one area of the soil releasing the drill and the borehole shear tester instead to measure the depth of the soil. The simplest and oldest in-situ test is the Plate Load Test (PLT).

Figure 8: Key information of soil price in Glenridding

The following tests are required to measure the depth of water, to measure the quality of the soil, and find the common risk associated with planting the hotel in that area. Laboratory investigations are an integral part of geotechnical research. Some of the laboratory tests should be done concerning the delivery of the report. The California bearing test (CBR) was done to analyze the strength of the soil subgrades and base course materials. Laboratory testing on soil on the strength and deformation of the soil and permeability testing by the constant head testing method is done. For the rock strength, test point load test, and slake durability test is the common way of testing. These tests are the in-situ tests that should be done concerning measuring the quality of the soil, and accessing related risks includes with the soil and the area comprising the hotel. 

Site investigation report:

The following assessment has asked to prepare a report on the planning of the site investigation. The above sections have compiled the preliminary examination and required tests to be done to find the analysis. There mentioned steps that should follow for the analysis of the environment. The risk assessment has been done to understand the possible risk associated with the area shown in figure1. The conceptual site model has to be prepared based on the preliminary analysis and followed by the required risk assessment should be done on different components. The conceptual site model has to be prepared by addressing the primary source, transport mechanism, Exposure pathway, and receptor pathway (Xia et al. 2020). All the potential contamination sources and migration pathways have to be analyzed through a chart. If any one or more than one element of the source-pathway-receptor are missing then there pollution linkage is considered incomplete, where there is no risk of contamination. 

The next part is addressing the possible risk associated with the various activities. It does not include any potential future risk scenarios with the changes to the current scenarios. Considering soil, the related risk should be mentioned like the metal contamination ratio, soil strength, erosion risk and etc. All the related risks associated with the health and safety issues with the excavation, transport, and disposal of contaminated soil material should be addressed in the report. Additionally, a vapour barrier beneath the buildings could be installed as a protective barrier for future cases of occupants. Considering the conceptual site model and again examining the changing area a finalized model has to be prepared. 

Conclusion:

Based on the given scenario the assessment has been made, and the required desk study and analysis have been done. The quality of the area and the risk associated with the area has been pointed out. The required test and how to perform them have been in the above. The site is located in an urban area, and the environmental condition is at medium sensitivity. The possible contamination has been addressed and the casualties that should be improved are mentioned in the above heading. The site investigation report and the document for making it has been mentioned. The planting of the hotel in the southwest of England is a very good choice for the company. Urbanization and industrialization have made that area an important place for economic growth. The assessed information has to follow for the upcoming future. The risk assessment has covered the possibilities that have to be renovated for planting the hotel. Those considerations have to be taken into the measure. 

Reference:

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Planning of site investigations

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