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Products [Pre-Engineered Metal Building]
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A Pre-Engineered Building (PEB) is designed by a manufacturer to be fabricated
using a pre-determined inventory of raw materials and manufacturing methods that
can efficiently satisfy a wide range of structural and aesthetic design requirements.
Within some geographical industry sectors these buildings are also called Pre-Engineered
Metal Buildings(PEMB) or, as in becoming increasingly common due to reduced amount
of pre-engineering involved in custom computer-aided designs, simply Engineered
Metal Buildings (EMB).
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Comparison between Pre-engineered Building and Conventional structure.
Pre Engineered Steel Buildings
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Conventional Structure
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1. Foundation
Simple design, easy to construct and lightweight.
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1. Foundation
Extensive heavy foundation required
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2. Weight
About 30% lighter through the efficient use of steel. Primary framing members are
designed with tapered built-up sections with the most steel in the areas of highest
stress, using high strength steel. Secondary members are light gauge cold formed
"z" or "c" shaped members. Members are roll-formed for minimum weight and labour
cost.
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2. Weight
Steel member sizes must be selected from standard hot rolled sections, which in
many cases are heavier than what is actually required by design. Members are the
same cross-section along the entire length, regardless of local stress magnitude.
Secondary members are from standard hot rolled “I” and “c” sections. In many cases
members are heavier than required, and therefore are not as economical as cold formed
members.
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3. Erection
Easy, fast, step by step. Erection costs and time are accurately known, based upon
extensive experience with similar buildings.
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3. Erection
Slow, extensive field labour required. Typically 20% more expensive than pre-engineered
steel buildings. In most of the cases, the erection cost and time are not estimated
accurately.
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4. Sourcing and Coordination
Building is supplied complete with cladding and all accessories, including erection
if required, all from one source of supply.
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4. Sourcing and Coordination
Many sources of supply. Project Management time required to co-ordinate suppliers
and sub-contractors.
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5. Changes
Very flexible, tailor made, accepts changes and revisions easily. Future expansion
simple, easy and cost effective. One supplier to coordinate changes.
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5. Changes
Changes, revisions and additions can be difficult due to extensive redesign and
coordination among suppliers and subcontractors.
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Pre-engineered building features:
- Easy integration of all traditional construction materials such as brick work, glazing,
timber. Etc.
- Optimization in accordance with customer’s requirement.
- Addition of canopies as a direct continuation of the roof line or at a lower level
with positive or negative roof slopes.
- Addition of parapets, partially or completely around the building.
- Optimized design of steel thereby reducing weight, while meeting all design criteria
requirements.
- Quality design, manufacturing and erection. Easy integration of all traditional
construction materials
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