Required Estimating needs and information




 
Estimating Needs Engineering Information Process Information



Estimating Needs
  • A written scope of work under consideration the more detailed the information, the greater the influence on estimate accuracy
  • Type of estimates that will be required and anticipated estimate accuracy
  • Schedule for Estimate (time allotted to prepare estimate and consolidate costs)
  • Estimate completion scheduled date
  • Is labor union or open shop? Productivity at site, compared to Midwest
  • Location of project example (Midwest U.S.A.)
  • Engineering information if available
  • Architectural/Civil information:
    • Site Description
    • Overall Plot Plans
    • Process Flow Diagrams
    • Equipment List with Specifications, by size and materials
    • Building and structures by size and type of construction
    • Existing building or new building
    • Civil and Structural Description
    • Process Piping by size, quantities and specifications
    • Utility Requirements Quantities (steam, water, electrical)
    • Electrical/Instrumentation
    • Environmental/Regulatory Requirements
    • Specifications

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Engineering Information
  • Demolition work
  • Dust collection system
  • Ventilation, make-up air and exhaust system
  • Type of unit heaters or central heating system
  • Office modules within plant area
  • Washroom consideration - and requirements for handicapped washrooms
  • If existing building, type of wall modifications
  • Windows and doors
  • Hazardous and flammable considerations
  • Description of new building or modifications
  • Parking and drainage
  • Roof requirements
  • Type of lighting x foot candles
  • Exterior lighting
  • Electrical service, x volts
  • Type of floors within the plant
  • Painting requirements
  • Hazop requirements including asbestos abatement, PCB's and other hazardous material and disposal
  • Fire protection sprinkler system

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Process Information
  • Process Flow Diagrams, Specifications:
    Process flow sheet or layout showing process piping by size, quantities and specifications
    Utility requirements - steam, water, electrical, instrumentation, routing and equipment connection requirements. Design for waste and utility drainage requirements
  • Equipment List with Specifications:
    Equipment air requirements, steam, water, electrical. Equipment installation requirements, such as concrete pads, structural steel
  • Specifications and Scope for:
    Painting, insulation, HVAC, telephone and computer cable requirements

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E-Mail: costengineering@sbcglobal.net
Phone: (630) 971-8200
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