ESTIMATING

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ESTIMATING

• By
• Laith Jacob

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INTRODUCTION TO ESTIMATING

• Estimating is an approximation that defines the
  Cost of construction Activity or activities prior
  to commencement of work VS the cost of work
  during and after construction, which is the
  Actual cost.
• Activity Cost in general is basically the cost of
  material, labor and equipment.

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PROCEDURES AND STEPS

• Advertisement Section 00030
• Purchase of Bidding Documents.
• Site Tour and pre-bid meeting
• Questions and clarifications addenda
• Meet bid date and time dead line delivery of
  bid.

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SECTION 00030 ADVERTISEMENT

• Bid date and time
• Project description
• Bidding documents
• Bid Security
• Any local requirement
• Contract time

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BIDDING DOCUMENTS

• Specifications
• Drawings
• Addenda

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SITE TOUR AND PRE-BID MEETING

• Site Accessibility
• Temporary construction roads
• Staging area
• Storage area
• Security
• Site conditions and finishes

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QUESTIONS AND CLARIFICATIONS

• Clarify any existing site condition that we feel
  could affect the estimate (underground utilities
  not shown on documents, any dewatering and
  discharge, construction power and water
  needs.etc.
• Any conflict between the drawings and
  specifications.
• Ask for any missing detail or specification
  section.

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TYPES OF ESTIMATES

• Conceptual Estimate
• Construction Management Estimate
• GMP (Guaranteed Maximum Price) Estimate
• Design Build Estimate
• Lump Sum Estimate
• Lump Sum Unit Prices

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COST ESTIMATING

• Reading the Front End Documents (Division 0 1)
• Division 0 Administrative and Advertisement
• Instruction to Proposer (Pre-Bid Meeting and Site
  tour, Questions, Clarifications Concerns,
  Delivery of Bids (time location and number of
  copies)
• Information to Bidders
• Bid Forms
• Bid Bonds
• Bidder Qualification for certain type of projects
  and broker Contractors
• Form of Agreement
• General Conditions (Indirect Cost, e.g. Staging
  area, Access roads, Construction Building Access,
  Temporary offices, Daily/Weekly and Final Clean
  up, Temporary Power and Water Utilities,
  Safety..etc)
• Supplementary Conditions

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COST ESTIMATING (CONT.)

• Division 1 General Requirements
• Administrative Provisions (Scope of work,
  Alternates, Coordination..)
• Progress Meeting
• Construction Schedules and procurement of
  Equipment
• Submittals
• Quality Control (testing for soil, concrete,
  paving..etc.)
• Construction Facilities and Staging area
• OM manuals and Training.

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COST ESTIMATING (CONT.)

• Understand the Details of the Drawings and Scopes
• Generate The Scope of Work for each Trade and
  coordinate with the project construction
  schedule.
• Generate General Conditions Cost.
• Take off of different trades and price it, as
  needed.
• Generate the Bid Day Scope Check Sheets Green
  Sheets.
• Generate The Posting Sheets.
• Generate Bid day strategy and responsibilities

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COST ESTIMATING (CONT.)

• Risk Factors
• Know the Owner
• Type of work
• Location of the project
• Competitive Edge Meetings
• Know your competitors.
• Their weaknesses.
• Educate the market through questions to the
  Owner/Designer and Subcontractors.
• Know the Market

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COST ESTIMATE AND BID SUMMARY SHEET

• Direct Cost, Subcontractors bids, self perform
  work
• Indirect cost, General Condition (Field cost,
  Safety, Permits, Clean upetc) Insurance, Bond
  cost and Overhead Fee.

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