ID 34013 Lecture Notes - Lecture 5: Astm International
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Published on 13 Mar 2018
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Course
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1/31/18: Contract Documents and Specifications: Chapter 12
Contract Documents
• All of the construction drawings, specifications and contracts or agreements between the
designer and the owner
• May or may not include FFE drawings
Contract Drawings
• Contract documents
o Construction agreement: agreement between owner and contractor
o Conditions of the contract
o Construction documents
o Modifications: addenda and change orders
• Construction drawings
o Drawings
o Specs
o Schedules
• Bid documents
o Invitation to bid
o Instructions to bidders
o Bid form
o Bid reference
o Construction documents
Specifications
• The written instructions to the general contractors and vendors
• Vary in complexity. Residential to commercial, bid or not
• Written word takes precedence over drawings
• Compliment the drawings, don’t duplicate them
Key Terms
• Closed Spec: a specification that is written for a product such that no other product can
be substituted
• Open Spec: the owner is willing to consider substitutions for what was originally
specified
• “Or Equal”: products that are the same, or very close to, what has been specified
Types of Specs
• Proprietary
o Names the products and materials by manufacturer’s name, model number, or
part number
o Closed spec: no substitutions are permitted
o Advantages:
▪ Easiest to write
▪ Accurate drawings
▪ Max product control
▪ Shorter schedule
▪ Competitive bid concept more fully realized
o Disadvantages:
▪ Not enough bidders given market area to provide products
▪ Limits competition
▪ Or equals lead to longe evaluation times
▪ Not permitted in government work (unless “or equal” is stated)
• Descriptive
o Doesn’t use a manufacturer’s name or trade name for the goods being specified
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