Seabees' Planners and Estimator's Handbook

Keywords estimation handbook planning planning and estimation

The estimator needs a thorough knowledge of the project drawings and specifications, and be alert to the various areas where estimating errors may occur.

a. Examination of Drawings
Accurate estimating requires a thorough examination of the drawings. Information found on drawings is the main basis to define the required activities and to measure quantities. All notes and references should be carefully read and all detail and reference drawings examined. Dimensions shown or drawn should be used in preference to scaling. If it is necessary to scale dimensions, a scale rule should be used and the graphic scale on the drawings should be checked for expansion or shrinkage of the drawing. When there is disagreement between the plans, elevations, and details, the detail drawing normally is followed. When there is disagreement between the specifications and the drawings, the specifications normally are followed.

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Good construction planning and estimating procedures are essential to the ability of the Naval Construction Force (NCF) to accomplish quality construction that is responsive to Fleet operational requirements. This handbook contains information which can be used to plan and estimate construction projects normally undertaken by Seabees; it is designed to be a helpful reference, not to establish procedures. The procedures described herein are suggested methods that have been proven with use, and can result in effective planning and estimating. How and when these procedures are applied is left to the discretion of the user. The tables are helpful references and are not intended to establish production standards. The tables must be used with sound judgment and modified as the user's experience suggests. Manhour tables are based upon direct labor and do not include allowances for indirect or overhead

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