PLANNING, ESTIMATING, AND SCHEDULING
LEARNING OBJECTIVE: Interpret the different types of construction drawings
and specifications used within the Naval Construction Force (NCF), and identify
the requirements needed to plan, estimate, and schedule using the Critical Path
Method (CPM) and Engineered Performance Standards (EPS).
Good construction planning and estimating
procedures are essential for any Seabee. They provide
quality construction to the customer. This chapter gives
you helpful information for planning, estimating, and
scheduling construction projects normally undertaken
by Seabees. This information will help you understand
the concepts and principles and is NOT intended to be a
reference or to establish procedures. Planning,
estimating, and scheduling can be done through
various techniques. This chapter describes suggested,
proven methods that result in effective planning and
estimating. Your responsibilities are to decide how and
when to apply these techniques.
To plan any project, you must first be familiar with
the construction drawings and specifications. The
construction of any structure or facility is described by
a set of related drawings that gives the Seabees a
complete sequential graphic description of each phase
of the construction process. In most cases, a set of
drawings shows the location of the project, the
boundaries, the contours, and the outstanding physical
features of the construction site and its adjoining areas.
Succeeding drawings give further graphic and printed
instructions for each phase of construction.
TYPES OF CONSTRUCTION
Drawings are generally categorized according to
their intended purposes. Some of the types of drawings
commonly used in military construction are covered
in this section.
MASTER PLAN DRAWINGS
MASTER PLAN DRAWINGS are commonly
used in the architectural, the topographical, and the
construction fields. They show sufficient features to
be used as guides in long-range area development.
They usually contain section boundary lines,
horizontal and vertical control data, acreage, locations
and descriptions of existing and proposed structures,
existing and proposed surfaced and unsurfaced roads
and sidewalks, streams, rights-of-way and
appurtenances, existing utilities, north point indicator
(arrow), contour lines, and profiles. Master plan and
general development drawings on existing and
proposed Navy installations are maintained and
constantly upgraded by the Resident Officer in Charge
of Construction (ROICC) and by the Public Works
PRESENTATIONS DRAWINGS present the
proposed building or facility in an attractive setting in
its natural surroundings at the proposed site. These
often consist of perspective views complete with
colors and shading. Presentation drawings are actually
used to sell an idea or a design concept.
SHOP DRAWINGS are drawings, schedules,
diagrams, and other related data used to illustrate a
material, a product, or a system for some portion of the
work prepared by the construction contractor,
subcontractor, manufacturer, distributor, or supplier.
Product data include brochures, illustrations,
performance charts, and other information by which the
work will be judged. As a BU, you may be required to
draft shop drawings for minor shop and field projects,
but, on the other hand, let the EAs do these drawings.
A WORKING DRAWING (also called project
drawing) is any drawing that furnishes the information
the craftsmen requires to manufacture a machine part
or a builder crew requires to erect a structure; it is
prepared from a freehand sketch or a design drawing.
Complete information is presented in a set of working