Other specific labeling requirements are provided in the NAVSUPINST5100.27 (series). All supervisors should carefully review the contents of this instruction.

HAZARDOUS MATERIAL STORAGE

The safest practice concerning hazardous material is to draw only the amount of material that can be used that day. Storing hazardous materials on the jobsite requires the use of approved storage containers. These containers must be placed a minimum of 50 feet away from any ignition device or source. Plan for the delivery of proper storage equipment before having hazardous materials delivered to the jobsite. Since many hazardous materials require separate storage containers (as an example, corrosives and flammables cannot be stored together), consult your safety office

HAZARDOUS MATERIAL

TURN-IN Any excess material must be disposed of through an authorized hazardous material disposal facility. Proper labeling of hazardous materials is critical. Properly labeled, waste can be disposed of for a relatively low price. Unidentified material must first be analyzed, which is extremely expensive. Anytime you turn-in hazardous material, an MSDS must accompany the material and ensure the MSDS is ledgeable. This will save valuable time and expense and make the job easier for supply.

Avoid mixing unlike types of waste. Do not mix waste paint thinner in a waste oil drum. The Navy sells uncontaminated waste oil for a profit. If only minor amounts of any other substance are present in the waste oil, the Navy must pay high prices for analysis and disposal. The best method for disposal is properly labeling the materials and returning them, unmixed, to the supply department. Each container must be clearly labeled, preferably with the BM line item or other supply tracking documentation. It is always best to check with the battalion MLO staff or safety office for proper disposal procedures.

PLANNING AND ESTIMATING (P&E)

Good construction planning and estimating procedures are essential for any Seabee. This section is intended to give crew leaders helpful information for planning, estimating, and scheduling construction projects. This material is designed to help you understand the concepts and principles and is NOT intended to be a reference or establish procedures. There are Special Construction Battalion Training classes (SCBT) specifically for Steelworker P&E as well as C-1 Advanced P&E school (NEC 5915) for Seabees.

NOTE: There are various techniques for planting, estimating, and scheduling. The procedures described herein are suggested methods that have been proved with use and result in effective planning and estimating.

PLANNING

Planning is the process of determining requirements and devising and developing methods and actions for constructing a project. Good construction planning is a combination of many elements: the activity, material, equipment, and manpower estimates; project layout; project location; material delivery and storage; work schedules; quality control; special tools required; environmental protection; safety; and progress control. All of these elements depend upon each other. They must all be considered in any well-planned project. Proper planning saves time and effort, making the job easier for all concerned.

ESTIMATING

Estimating is the process of determining the amount and type of work to be performed and the quantities of material, equipment, and labor required. Lists of these quantities and types of work are called estimates.

Preliminary Estimates

Preliminary estimates are made from limited information, such as the general description of projects or preliminary plans and specifications having little or no detail. Preliminary estimates are prepared to establish costs for the budget and to program general manpower requirements.

Detailed Estimates

Detailed estimates are precise statements of quantities of material, equipment, and manpower required to construct a given project. Underestimating quantities can cause serious delays in construction and even result in unfinished projects. A detailed estimate must be accurate to the smallest detail to quantify requirements correctly.