November 2001
Current Building Construction Methodology
Broadband Implementation Special Report - Part 3 of 8
By Steve Downing
Facility Manager's Guide to Implementing a Broadband Strategy
· Introduction
(Part 1 of 8)
· Commercial
Office Building Broadband Infrastructure
(Part 2 of 8)
· Current
Building Construction Methodology
(Part 3 of 8)
· Financial
Benefits of Pre-Installation of the Telecommunications Infrastructure
(Part 4 of 8)
· Telecommunications
Infrastructure Design Process (Part 1)
(Part 5 of 8)
· Design
Process (Part 2)
(Part 6 of 8)
· Design
Process (Part 3)
(Part 7 of 8)
· Conclusion
(Part 8 of 8)
About The Strategis Group
The Strategis Group, a
C7 company, with offices in Washington, London, and São Paulo, is the
leading global telecommunications research and consulting firm. Founded in 1964,
The Strategis Group publishes in-depth industry research reports, provides customized
consulting services and supplies continuous information solutions to the broadband,
wireless, cable, satellite, competitive telephony and Internet industries.
For more information, please
contact The Strategis Group at 1.202.530.7500 (voice), info@StrategisGroup.com
(email), or visit their website at www.StrategisGroup.com.
The current practice in commercial office building design and construction
has not changed in many years. Typically, the developer or owner of the site
defines the scope of the project and publishes a Request for Quotes from general
construction companies and architects. Once a construction contractor and architect
have been selected, plans are drawn up, budgets are finalized and construction
can begin. The general contractor will typically publish Requests for Proposals
from a number of subcontractors for various sub-systems of the building, including
the plumbing, air-conditioning and heating, security systems, electrical systems,
elevator systems, flooring, and many other subsystems.
In some cases, buildings are "built to suit", or built to the specifications
of the intended tenant, in which case the amenities provided in the building
are installed at the request of the tenant. In most cases, however, the amenities
are designed by the architect and often include only basic space allocations
for the telecommunications infrastructure. Historically, the telecommunications
infrastructure has been left for the individual tenants to design and install.
Table 3 shows the Subsystems of a building that typically fall under the responsibility
of the general contractor and various sub-contractors.
|
Function
|
Responsible
Party
|
| Site
Investigation |
General
Contractor |
| Site
Layout |
Architect |
| Excavations
and Excavating Equipment |
General Contractor |
| Foundation
Layout |
General
Contractor |
| Foundations |
General
Contractor |
| Formwork |
Sub-Contractor |
| Concrete
Work |
General
Contractor |
| Structural
Timber Frame |
General
Contractor |
| Reinforced
Concrete Frame |
General
Contractor |
| Structural
Steel Frame |
General
Contractor |
| Floor
Systems and Industrial Flooring |
Sub-Contractor |
| Roof
Systems and Industrial Roofing |
Sub-Contractor |
| Masonry
Construction |
General
Contractor |
| Curtain
Wall Construction |
General
Contractor |
| Building
Insulation |
Sub-Contractor |
| Finishing |
Sub-Contractor |
| Electrical |
Sub-Contractor |
| Plumbing |
Sub-Contractor |
| HVAC |
Sub-Contractor |
| Telecommunications |
Sub-Contractor/Tenant |
|
Table
3. Commercial Office Building Construction Responsibilities
|
Broadband Building Design Methodology
In order for building owners to realize the full value of the broadband telecommunications
infrastructure they must also own as much of the telecommunications infrastructure
as is practical. Such ownership allows the owner to make residual income, by
leasing the cabling, the rooftop, the conduits and the telecommunications closets
to the service providers and the tenants. In order to achieve this return, the
building owner should include the design of the telecommunications infrastructure
in the architecture and structural design phase of the project. Telecommunications
should become another of the building sub-systems, as are the electrical infrastructure,
the environmental and security systems, and any other sub-systems. Many building
owners recognize this value, butfew have implemented this methodology into their
construction practices, due to several major reasons:
1. Historical relationships and methods
2. Unproven revenue models
3. Confusion about the future of telecommunications service providers and industry
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