What are preliminaries in building construction?

The preliminary costs of a construction project include the erection of scaffolding and the installation of site services. The preliminaries of a bill of quantities are the section that provides a description of the project, the contractor’s general obligations, general facilities, and setup and running costs.

What are preliminary construction costs?

Preliminary costs are expenses that will be incurred during construction, which are directly related to the running of the project and have not been included in the materials, labour or overheads. Preliminary costs are often referred to as prelims.

What’s included in preliminaries?

It contains a definition of preliminaries which includes items such as site establishment, security, safety, site records, cleaning, insurances, bonds, guarantees and warranties— preliminaries are items which cannot be allocated to a specific element of the works.

What is preliminaries in bill of quantities?

The preliminaries section in bill quantities is one of the most important sections that require being priced preliminaries, describing and consisting of informations of project, requirements related to project, services and facility that need to be prepared, contract conditions and so forth.

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What are contingencies in construction?

A contractor contingency is a fund into the contractor’s anticipated price for the project to account for various risk factors that cannot otherwise be accounted for in a schedule of values. This money is set aside to account for any errors that occur on behalf of the contractor.

What are the uses of preliminaries?

The purpose of preliminaries is to describe the works as a whole, and to specify general conditions and requirements for their execution, including such things as subcontracting, approvals, testing and completion. NBS defines this in detail for all the commonly used forms of contract, listed in the Scope And Contents.

What are preliminary expenses examples?

Examples of Preliminary Expenses are:

  • Expense in connection with a marketing survey or feasibility study.
  • Legal charges paid before incorporation.
  • Professional and consulting charges paid for the incorporation of company.
  • Company Marketing Costs such as Logo Design and Brand.

How are preliminary costs calculated?

Contractors normally give the unit cost (like cost per square foot) to the client and it can be multiplied by the whole footprint of building to compute the preliminary estimate. For multi-story buildings, the cost per floor is multiplied by the total number of floors.

How do you prepare a preliminary estimate?

Prepare Preliminary Estimate and Schedule

  1. Work Tasks. Develop Preliminary Cost Estimate – Deliverable.
  2. Estimating Based On Major Cost Groups.
  3. Sources for Unit Costs.
  4. Lump-Sum Items.
  5. Contingency and Escalation.
  6. Other Related Costs.
  7. What is included in the Preliminary Construction Schedule?
  8. Activity – An element of work performed during the course of a project.
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Why are preliminaries important?

Preliminaries provide essential details for the smooth execution of the project. They also provide the goal that should be achieved at the completion of the project such as the completion date and budget.

What is included in preliminaries and general?

The preliminaries and general section of the contract should cover: documentation, compliance issues, nominated suppliers and so on. site roles and responsibilities. owner occupation of the building.

What is preliminary work?

Preliminary works refer to all the activities that are involved in a construction site before the actual work commences, such as demolition, site clearance, site survey, soil survey, planning, designing, and cost estimation.

Who prepares a bill of quantities?

A bill of quantities (commonly known as BOQ or BQ) is a document prepared by a quantity surveyor or cost consultant to define the quality and quantity of works required to be carried out by the main contractor to complete a project.

What is P and G in construction?

P&G stands for Preliminary & General ( construction industry)

What are the components of bill of quantities?

Composition of Bills of Quantities

  • Form of Tender (including certificate of bona fide tender)
  • Summary (or Main Summary)
  • Preliminaries, comprising two main section as follows:
  • Information and requirements; and.
  • Pricing schedule.
  • Measured works (incorporating the contractor designed works eg.
  • Risks;
  • Provisional sums;

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