Provisional sums

Provisional sums are included in bills of quantities for items of work which cannot be fully described or measured in accordance with the rules of the method of measurement at the time of tender. where these details cannot be supplied,the work is classified as undefined and the contractor will be deemed not to have made any allowance in programming,planing and pricing preliminaries

The following information must be provided with the provisional sum.

The nature of the work

How and where it is to be fixed

Quantities showing the scope and extent of the work

Limitations on method. Sequence and timing.

Example of provisional sum for works.

Provide Provisional sum for construction management services (details of services to be provided by the contractor should be in accordance with minimum requirements specified in the conditions of tender)

Provide  Provisional sum for giving notices, obtaining permits & the payment of fees,deposits (excluding for temporary works & connections), connecting charges incompliance with the requirement of governmental, local authority or other public authorities. The necessary approvals shall be obtained by the Contractor.

Provide Provisional sum for telephone & other services required for carrying out of the works including temporary telephone facility to the Engineer's office.

Provide Provisional sum for Name Board.

Provide Provisional Sum for office accommodation and separate sanitary accommodation including facilities specified in the tender for the use of the Engineer.

Provide Provisional sum for Temporary work and encountered during the construction period and as decided by the Engineer.

What are the preliminary items included in BOQ?

Project particulars: - Name, nature and location Names and addresses of Employer and Consultants

Drawings: - List of drawings that form pan of the Contract.

Site and access:- Location of site and access are described with limitation on working times and access.

Scope and description of the works:- General description of the works to be undertaken and the total gross floor area provided.

Firms employed direct or executed by Statutory Undertakers:- Details of crossovers by local authority and consideration of statutory services on the site.

Supervision/Staffing/Site management

Temporary telephones

Temporary screens

Temporary fencing, hoardings, etc.

Name board

Setting out

Form of Contract

Conditions of Contract and insurances:- The contract documents to provide a complete list of relevant conditions of contract.

Details of the terms of the bond or guarantee shall be set out:- The obtaining of such bond or guarantee and the cost is to be at the expense in all respects of the Contractor. The approved  bond or guarantee shall be presented prior to the first payment under this Contract.

Safety, health and welfare:-  The Contractor is to provide suitable safety, health and welfare measures and amenities to comply with all the current Statutory Regulations and the Code of Welfare conditions of the  National Joint Council for the Building Industry.

Access and scaffolding:- Access to the works is heavily influenced by the design of the finished project, but the decision  on which method to employ rests almost entirely with the contractor.

Safeguarding the works:- The Contractor is to safeguard the works, materials and plant against damage and theft and all watching and lighting for the security of the works and the protection of the public and the Employer.

Site accommodation:-The Contractor is to allow for providing and maintaining temporary site accommodation for  Architect and Contractor including removal on completion.

Deleterious materials:- The Contractor is not to use or permit to be used any of the described deleterious materials in the execution of the works.

Protecting, drying and cleaning the works:- The Contractor is to allow for protecting the works from inclement weather, providing all  temporary screening to openings, providing for all costs in connection with drying and  controlling the humidity of the works, protecting the whole of the works and removing all rubbish.