METAL BUILDING SYSTEMS:THE PROCESS OF BUYING A METAL BUILDING.pdf
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1、CHAPTER 9 THE PROCESS OF BUYING A METAL BUILDING 9.1THE START 9.1.1Before It All Begins: A Note to Owners In this chapter we talk about the many things that have to happen between your decision to build and getting the keys for a newly constructed facility. Once the decision to build or expand is ma
2、de, you need to establish building dimensions, shape, and clear height. No matter how well everything else goes, if these fundamentals are not properly thought through, the project will not be successful. If a critical piece of machinery does not fit by a few inches, what was the point of building?
3、We strongly recommend that you let an experienced architect perform programming and prelim- inary design of your building:Architects are trained to analyze owners needs and to offer solutions. Many years spent with architects under one roof have convinced the writer of tremendous improve- ments thes
4、e design professionals can make to the original plans conceived by their clients. An archi- tect often comes up with a completely differentand betterbuilding layout. Unless you need a small basic rectangle of a building or must suit a preestablished equipment layout, let designers, not contractors,
5、help you make design decisions. (Of course, the architect you select should be experi- enced in specifying metal building systems or at least should have read this book.) The architect will help you identify your immediate and future space needs, prepare a preliminary cost estimate, and propose a ti
6、metable for construction. On your part, you have to determine whether adequate financing is available, a budget appropriated or planned, and the members of your in-house planning team are in agreement on what needs to be done. 9.1.2Selecting the Site After the programming phase, the project moves in
7、to schematic design. By this time a prospective location might have already been selected. If several sites are still being considered, it is best to focus on one or two choices before proceeding further, since many building parameters such as height, size, and type of construction may be affected b
8、y surrounding buildings and by local zoning codes. As usual in such transactions, prior to purchase a prospective buyer performs title and easement search, zoning check, site survey, and environmental investigation. The site should be large enough to allow for all required property setbacks, parking
9、, access roads, and future expansion needs. If time is of the essence, it is best to stay away from protected areas such as wetlands. Ideally, the site already has or can be economically served with all the necessary utility hookups. Sewer requirements might be tightly controlled by the community an
10、d need to be specifically inves- tigated, and any site drainage problems addressed. 271 Now is the time to hire a reputable local engineer and a soil boring contractor to perform a soils investigation. Is the soil good enough to allow for economical shallow foundations? The question is not idle, bec
11、ause in many industrial areas the best land has long been developed, and only the less desirable parcels are leftoften those deemed uneconomical to build upon by others. Poor soils may require expensive deep foundations such as piles and caissons; the added cost could push the budget beyond the acce
12、ptable limits. Some other site preparation costs include demolition of any present structures, lot clearing, excavation, fill, and paving. 9.2THE ROLE OF THE DESIGN PROFESSIONAL 9.2.1The Basic Responsibilities After schematic design is completed, either by the owners in-house personnel or by an outs
13、ide archi- tect, and the site is selected, the owner can start thinking about methods of construction delivery. With a set of schematic plans and specifications in hand, an owner can pursue any one of the three basic construction methods: conventional (design and bid or negotiate), design-build, or
14、contracting directly with a preselected manufacturer of metal building systems. In both conventional and pre-engineered construction, the owner can be represented by an inde- pendent architect; in a design-build mode, the architect is a part of the builders team. Since we are specifically interested
15、 in metal building systems, and since the manufacturers staff rarely includes architects, the best course for the owner to follow is to hire an independent design team. One of the first priorities of the design team is to develop a site-plan package for review and approval by a local planning and zo
16、ning board. The package will demonstrate how the owner intends to comply with federal, state, and local regulations. It may address such issues as wetland protection, increased traffic, pollution, sewage flow, parking, and appearance. While some localities are devel- opment-friendly, others might no
17、t be; occasionally, obtaining all the permits may take longer than the design and construction time combined. In order to prepare the site package, the design team undertakes a comprehensive code review. (It goes without saying that the intimate knowledge of complex code provisions is a good enough
18、rea- son to retain an architect in the first place!) By submitting a set of documents in compliance with the local code and all the local regulations, the owner can save a lot of valuable time and lower con- struction loan interest charges. Design development and final design can proceed while the s
19、ite package is being reviewed. The goal is to produce a set of contract documents that adequately communicate design intent without being overly specific and prescriptive. In broad terms, the design professional is responsible for selecting the design criteria, for any items not normally carried by
20、the metal building manufacturer, and for overall coordination. The items not commonly available from the manufacturers are listed in the MBMAs Common Industry Practices, and include foundations, insulation, fireproofing, finishes, cranes, electrical and mechanical equip- ment, overhead doors, and mi
21、scellaneous iron. The Practices specifically state that ventilation, condensation, and energy conservation issues are beyond the manufacturers responsibility and therefore are to be included in the design profession- als scope of services. The design team should examine the effects of the proposed b
22、uilding on adjacent structures, such as a possibility of snow drifting onto a lower existing roof. The manufacturer should not be expected to perform this purely engineering task, because some smaller manufacturers might not even have a full-time engineer on staffonly a technician who punches the nu
23、mbers into a computer program. (Most owners are not aware of this fact, because the term pre-engineered building implies the pres- ence of an engineer.) The owners, on their part, should help the design professionals establish the appropriate project design criteria by supplying them with adequate d
24、ata describing the details of the current and prob- 272CHAPTER NINE able future operations. These data might include, for example, the dimensions and weight of the equipment that will be housed in a metal building system and any crane requirements. Major indus- trial and government clients should al
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