How Green Are You? - Keys to Sustainable Construction

There are as many definitions of  “green”manufacturers that are members of the Unites
as there are shades of color. Wikipedia defines aStates Green Building Council (USGBC) such as T.Clear
green building, also known as a sustainable building asCorp of Hamilton  Ohio. Their ProTec® CSIP
“ a structure that is designed, built, renovated,building system  provides less skilled labor, reduces
operated, or reused in an ecological andwall construction time to a matter days verses
resource-efficient manner.”months and is competitively afforadble when
Dade County Florida's Website reads that,compared to block or conventioanl construction
“Sustainable building practices go beyond energytechniques. The company literature states the panels
and water conservation to incorporateare “framing, sheathing, insulation and interior wall
environmentally sensitive site planning, resourcesurface all in one. This equates to building more
efficient building materials and superior indoorhomes in les time with fewer associated costs and
environmental quality.” The website lists five keywaste.
benefits of sustainable construction that seems toEnhanced Health and Productivity
concisely capture the “spirit” of the greenClean water, fresh air, low VOC and no off-gasing
building concept.products should be the benchmark for homes built
- Lower electric and water utility costsunder the “green” design concept. Energy
- Environmentally effective use of building materialsconservation and eco-friendly homes do not happen
- Enhanced health and productivityby accident, it takes planning and design guidelines to
- Long-term economic returnsensure homes provide comfort, style and are also
- Reduced environmental impactaffordable. Choosing off the shelf products that are
The need to reduce costs associated with energyeco-friendly minimize costs and help descrease the
production and  importing building materials,  thetime required to source specialized products that add
importance of conserving water and naturaltime and expense to the construction process.
resources and minimizing environmental impact areDespite the misconception, “green homes”
challenges that are even more paramount within ourcan be stylish, affordable and built on a reduced
island communities. Green  initiatives provide excellenttimeline.
benefits but carry a pricetag asociated withThe Protec® Building System is currently used by
implementation. We've looked at the benefits and theHDC Development Corp  within the Bahamas to build
challenges, but what are the affordable solutions?as it describes, “Net Zero Energy Homes”.
Lower Eletric and Water Utility costsThin-film solarRecently receing apporavel from The Bahamas
and Atmospheric Water Generation are twoMinistry of Works, the Protec Building System®  is
affordable technolgies that fit expectioannly well inmeticuoslesy engineered to design loads of up to 150
the Caribbean region. With the abundance of sunshinemile per winds. According to the information from the
we receive intermingled with overcast days, it is stillcompany's website, these “Net Zero Energy
estimated that a solar radiation of 4-5 hours per dayHomes” gerernate more energy than they
is typical for the region. Using lighweight thin-film solar,consume, have minimal environmental impact, resist
with a capacity of an estimated 5 watts/sq ft. ahigh winds and are very compatiable to developers
typical 1,200 sq ft home could easily support a roofseeking higher construction productivity rates.
laminted 3,000 Watt solar power system. A systemLong-term Economic Returns
of this size would generate an estimated 12-15kWhUnfortunately, when green initiatives are initially
per day.  By reducing electiical lighintg, cooling, andintroduced into some regions for the first time,
appliance loads to less than 4k the solar system cantypically there exists an entense amount of
also be recued in size.resistance  as traditional stakeholders, with 
How do we reduce our electrical load calculations?entrenched concepts and methods are challenged by
Design and retrofit with L.E.D. Lighting,  A typicalthe new technology. However, for the greater good
home using high efficiency L.E.D. lighting would useof the entire Caribbean  region, traditional
just under 250 Watts for the entire lighting circuit andbeauracratis “red tape” needs to be pierced
provide equal or higher lumen output than convenienalso that a new generation may benefit from the
incandescent or CFL lighting systems. Heat pumpadvances in proven  technology and ensure our
water heating technologies provide an estimatesregions continued success in the renewable energy
7,000 btu output and a max water temp of 135 whileamd sustainable development sectors.
using less than 800 watts nominal. Air ConditioningOpenminded acceptance of proven “green
units using proven ductless-split DC Invertertechnologies” will bring investment, trainig, jobs
technologies provide remote controlled zoned coolingand prosperity to the Caribbean region. The region is
while using as little as 1,200 watts for a 11,000btuideal to capture the full potential of clean solar and
system. Energy efficient appliances are readilywind power generation. Long-term economic growth
available and help to reduce overall electrical loadsis the fruit that's harvested when we plant the seeds
A very natural solution for clean water production inof green initiavtes today.
the Caribbean has been around since the beginning ofReduced environmental impact
time. Atmospheric Water Generation (AWG) systemsWaste reduction, resource conservation and
use the natural humidity in the air to produce up tomatinainting pure water inventories are important
6gallons per day of pure filtered drinking waterissues that face any region, but even more so here
without the need for any plumbing or realated in the Caribbean islands. As our population grow so
infrastructure. Dispensing 99.9% pure water, thedoes the need to pay more strict attention to the
AWG system can be operated directly from solarsubject of  waste management and recycling.
power or plugs into a standard household outlet. Education and acceptance of recycling is the key.
With a built in water heating element the unitsConservation is an adopted lifestyle and the
dispense hot or cold water on demand without thepopulation must see it as a benefit in order to
need for maintaining an inventory of bottled water.embrace it. Tangible incentives such as reductions in
Production costs are estimated between $0.06 -0.14Waste Collection rates for househgolds that recycle,
per gallon of water.reduced utility rates for homes with  Solar  or wind
Environmentally Effective use of Building MaterialsPower Generation systems and reduced municipal
What's needed is a building system that can resistwater rates for households with Atmospheric Water
high winds, is versatile, structural, provides a high levelGenerators would go a long way to helping the large
of insulation, minimim waste and is affordable.public adopt and embrace “going green”. 
Concrete Structural Insulated Panels (CSIP) provideLets hope the islands of the Caribbean region can by
an excellent alternative to conventional concretecareful and wise use of our startegic natural 
block construction in the Caribbean. Proven andresources become the worldwide leader in the
accepted throughout the United States, CSIP's areadoption and implemntation of proven green
pre-designed, pre-cut, professionally engineered,technologies. It is clear we have the most to gain and
insulated, provide a strucural frame and exterior andsuccess will equate to increased toursim, investment,
interior concrete fire resistant surfaces for finishing.training, jobs and prosperity for our region.
These lighweight concrete panels are produced by