Site Investigation and Evaluation Techniques Assignment Help

  • Unit Code:20029J Construction Technology in Quantity Surveying
  • Course title BTEC HND in Quantity Surveying and Construction Cost Management
  • Unit number and title Unit 3-Construction Technology in Quantity Surveying
  • Assignment title Site Investigation and Evaluation Techniques


Site Investigation and Evaluation Techniques


Site analysis is the process of studying the contextual forces that influence the erection of the building, layout and orient its spaces, shape and articulate its enclosure and establish its relationship to the landscape. Any site analysis begins with the gathering of physical site data.

The integrity of a building structure depends ultimately on the stability and strength under loading of the soil or rock underlying the foundation. The stratification, composition and density of the soil bed, variations in particle size and presence or absence of ground water are all critical factors in determining the suitability of a soil as a foundation material. When designing buildings, it is advisable to have a geotechnical engineer to undertake a soil investigation.


The Baddagana Wetland Park is located in Baddegana area of Ethulkotte, close to back end of Rampart Road. Directly outside the main part of the Greater Colombo City, lie the suburbs of Rajagiriya and EthulKotte. The area was once the location of the Kotte Kingdom, centuries ago, and remains the seat of the power with the country's parliament being locatedin the area. In 198 five- the Sri Lankan Department ofwild Life conservation took into consideration the biodiversity in the area and declared the 18 hectare area a Wildlife Sanctuary. Then in 2013, the Metro Colombo Urban Development Project (MCUDP) redesigned the area as a wetland park where people could enjoy nature and have some healthy recreation. It was opened in 201six - Today the park also serves to protect the flora fauna in the area, while help in control the flooding that occurs from any overflows from the DiyawannaLake.  Some of the other benefits are lowering the city temperature, providing a place for students & researchers to conduct biodiversity studies, and providing recreational area for lovers of nature,

At present the wetland is managed by Sri Lanka Department of wildlife conservation  and Board of directors  has made a decision to expand visitors facility by  erecting a new building to accommodate new lecture halls,  E-Library,  including recreational activities, etc. It is expected to provide facilities for 50 students at a time.    

Assignment Brief

Assume that you are appointed as the built environment consultant to the proposed Task of SLDWLC   project. As specialist, you are supposed to investigate the selected site based on various physical, environmental, social and functional aspects and prepare a comprehensive site investigation report. The Google Map of the location and its context is given. You are free to obtain information and data from the relevant authorities and departments regarding the matter.


Task 1

Evaluate the various methods of site investigationtechniquesand select the appropriate technique to be used for specified construction work above. (LO1-1.1) 

Task 2

Analyze the classification of soils based on their chemical composition and determine their effects on the design of substructureof the building. (LO1-1.2)  

Task 3

Discuss the relevant use of construction plant and machinery used for earthworks in substructurefor above building construction work.(LO1-1.3) 

Task 4

Introduce the possible sub structural methods (foundations of both shallow and deep types) and evaluate the applicability of the same in deciding an appropriate foundation type for the proposed building. Compare and appraise them by use of details and the associated temporary works.




You are supposed to carry out a comprehensive site investigation of the given site by paying attention to the following factors;

  • Indicate the required setbacks and existing easements, rights of ways and valuable trees in the site plan.
  • Analyze the ground slopes and subsoil conditions to locate the areas suitable for construction and outdoor activities.
  • Determine the elevation of the water table. 
  • Table the climatic conditions such as sun path, wind direction and expected amount of rain fall.
  • Study of possible accessible points from public roadways.
  • Ascertain the availability of utilities such as water mains, sewer lines, electrical power lines, gas lines, telephone and cable lines, etc.
  • Identify the scope of desirable views and objectionable views
  • Consideration of possible congestion and noise
  • Evaluate the compatibility of adjacent, existing and proposed land uses
  • Evaluate the condition of existing buildings
  • Map the proximity to public, commercial, medical and recreational facilities

Each student will prepare a report covering all aspects given in the assignment. The document must be in the form of a word processed report and can incorporate any sketches or diagrams to illustrate the answer. The report must have an introduction, body and summary. The document must contain all references according to the Harvard referencing system.

Pass Descriptors

LO1 - 1.1

Evaluate site investigation techniques for construction works in differing applications

LO1 - 1.2

Evaluate groundwork solutions for a range of applications

LO1 - 1.3

Evaluate appropriate solutions in selection of construction plant and methods used in earthworks

LO1 - 1.4

Justify foundations and substructure methods for a range of construction works








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