They concluded that a prescriptive specification
requiring 35 percent cement replacement by volume with fly ash will reduce the damage due to calcium oxychloride formation.
Typically, when writing a prescriptive specification, the engineer must know exactly how the product should be installed and what is expected for the finished product.
Like prescriptive specifications, performance specifications are very detailed but eliminate unnecessary "how to" and "review/approve all steps and processes" and allow the Contractor to provide the best means and methods for completing the project on time and on budget.
A prescriptive specification
describes a product predominantly by its composition, while a performance specification describes how well a product must perform.
For that reason, the specifications for I-15 project are generally a blend of performance specifications and prescriptive specification
In this case, the state hopes doing so will help it avoid overly prescriptive specifications
and encourage innovation and a broader range of solutions on the part of proposers.
MATERIALS TESTING IS A CRITICAL ISSUE FOR PLASTICS COMPOUND AND MASTERBATCH PRODUCERS WHO MUST FULFIL CUSTOMER REQUIREMENTS AND DEMONSTRATE THAT THEIR PRODUCTS SATISFY PRESCRIPTIVE SPECIFICATIONS.
of more standard column and slab mixes, is sure to instill confidence in prospects open to Breckenridge Material's case for performance versus prescriptive specifications
Construction codes for concrete today are based largely on prescriptive specifications