Online Systems Development

 
Case Study - Blacktop (Estimating)
 

The Blacktop Estimating System is written in Microsoft Access and uses information on labour, plant and material to populate a make-up sheet and produce a priced bill of quantities. Extensive routines exist to adjust the prices and margins to recalculate the bill of quantities. The bill of quantity with terms and conditions is converted into a letter or fax which may be sent directly to the client.

(Click on any of the forms for a more detailed view)

Estimating Operation

 

Enter the Enquiry and Price the Work

The form opposite is completed and the system allocates a unique reference number. Information entered includes the title, the type of work, geographical area, due date and the client. This information with a price (if estimated) produces a set of reports to replace the conventional enquiry or quote register.

The program makes extensive use of a library of standard information e.g. Clients, Types of Work are pre-defined and are selected from lists to minimise errors and reduce typing.

Fields in yellow allow a "double click" to access the library directly and to add to an existing list new information without leaving the current form

 

 
 

 

Define the Bill Sections, Materials and Add Items

If the enquiry is not priced a "We Regret" letter is automatically produced which may be posted, faxed or emailed to the Client.

If the enquiry is to be priced one or more bill sections are created using the form opposite and a list of materials with supplier and price produced using the form below.

Any change to material price or global margin will re-price the bill of quantity.

Once bill items have been entered the tonnages are reviewed and the appropriate gangs are selected to undertake the work.

 

 

The form opposite is used to enter the Gang which inputs the labour and plant elements automatically and using the library any elements of external plant, subcontract or other materials are then added to derive the prime cost.

A full summary is available once all the items have been entered.

Once priced, a standard letter with a Bill of Quantities is produced which may be posted, faxed or emailed to the Client.

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