3. Concrete. Precast and cast-in-place concrete,formwork, and concrete reinforcing.4. Masonry. Concrete masonry units, brick,stone, and mortar.5. Metals. Includes such items as structural steel,open-web steel joists, metal stud and joist systems,ornamental metal work, grills, and louvers. (Sheet-metal work is usually included in Division 7.)6. Wood and Plastics. Wood and wood framing,rough and finish carpentry, foamed plastics, fiber-glassreinforced plastics, and laminated plastics.7. Thermal and Moisture Protection. Includessuch items as waterproofing, dampproofing, insulation,roofing materials, sheet metal and flashing, caulking,and sealants.8. Doors and Windows. Doors, windows, finishhardware, glass and glazing, storefront systems, andsimilar items.9. Finishes. Includes such items as floor and wallcoverings, painting, lathe, plaster, and tile.10. Specialties. Prefabricated products anddevices, such as chalkboards, moveable partitions,fire-fighting devices, flagpoles, signs, and toiletaccessories.11. Equipment. Includes such items as medicalequipment, laboratory equipment, food serviceequipment, kitchen and bath cabinetwork and countertops.12. Furnishings. Prefabricated cabinets, blinds,drapery, carpeting, furniture, and seating.13. Special Construction. Such items asprefabricated structures, integrated ceiling systems, andswimming pools.14. Conveying Systems. Dumbwaiters, elevators,moving stairs, material-handling systems, and othersimilar conveying systems.15. Mechanical Systems. Plumbing, heating, airconditioning, fire-protection systems, and refrigerationsystems.16. Electrical Systems. Electrical service anddistribution systems, electrical power equipment,electric heating and cooling systems, lighting, and otherelectrical items.Each of the above divisions is further divided intosections. You can find a discussion of the requiredsections of Division 1 in Policy and Procedures forProject Drawing and Specification Preparation,MIL-HDBK-1006/1. The Division 1 sections,sometimes referred to as “boilerplate”, are generallycommon to all projects that are accomplished under aconstruction contract.Divisions 2 through 16 contain the technicalsections that pertain to the specific project for which thespec writer has prepared the specification. Thesetechnical sections follow the CSI-recommendedthree-part section format. The first part, General,includes requirements of a general nature. Part 2,Products, addresses the products or quality of materialsand equipment to be included in the work. The third part,Execution, provides detailed requirements forperformance of the work.GuidanceUsually, the engineer or spec writer prepares eachsection of a specification based on the appropriate guidespecification listed in the most recent edition ofEngineering and Design Criteria for Navy Facilities,MIL-BUL-34. This military bulletin (issued quarterlyby the Naval Construction Battalion Center, PortHueneme, California) lists current NAVFACENGCOMguide specifications, standard specifications anddrawings, definitive drawings, NAVFAC designmanuals, and military handbooks that are used as designcriteria.As discussed earlier, when writing the specifica-tions for a project, you must modify the guidespecification you are using to fit the project. Portions ofguide specifications that concern work that is notincluded in the project will be deleted. When portionsof the required work are not included in a guidespecification, then you must prepare a suitable sectionto cover the work, using language and form similar tothe guide specification. Do not combine work coveredby various guide specifications into one section unlessthe work is minor in nature. Do NOT reference the guidespecification in the project specifications. You must usethe guide spec only as a manuscript that can be editedand incorporated into the project specs.The preceding discussion provides only a briefoverview of construction specifications. For additionalguidance regarding specification preparation, youshould refer to MIL-HDBK-1006/1.MATERIAL ESTIMATINGA material estimate is a listing and description ofthe various materials required to construct a given5-4
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