addendum

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addendum

1. the radial distance between the major and pitch cylinders of an external screw thread
2. the radial distance between the pitch circle and tip of a gear tooth

Addendum

Written or graphic document issued before the receipt of bids that modifies or interprets the bidding documents, by additions, deletions, clarifications, or corrections. They usually become part of the final contract documents.

addendum

[ə′den·dəm]
(design engineering)
The radial distance between two concentric circles on a gear, one being that whose radius extends to the top of a gear tooth (addendum circle) and the other being that which will roll without slipping on a circle on a mating gear (pitch line).

addendum

A written or graphic instrument issued prior to the execution of the contract which modifies or interprets the bidding documents, including drawings, and specifications, by additions, deletions, clarifications or corrections; becomes part of the contract documents when the construction contract is executed.
References in periodicals archive ?
The Addendums will be included in all school versions at no additional cost, ranging in price from $49.
The Mexican RMBS Addendum further differentiates foreclosure frequency expectations between Peso and UDI - denominated loans.
Plan Express will scan and digitize BB-Bid users' printed plans, specifications, bid documents and addendums (or upload digital files) and host online viewing for the users' invited vendors.