The document summarizes a proposal for integrating Bangkok's mass transit system with its historic core districts to promote urban vitality and social cohesion. It begins by outlining the current fragmented conditions between the large-scale MTS and local urban fabric. The proposal then focuses on two districts located in an "urban dead void" that could potentially integrate with the historic core if redeveloped properly. Different types of streets and networks within the districts are analyzed. The vision is to use the MTS and underutilized streets to reconnect the districts, introducing mixed-use development and public transport options while preserving local heritage and networks. This would help balance development between the east and west sides of the river and address issues of segregation, sprawl
CSU ShortCourse Biomass And Bioenergy Jan 2008 Mpmmpattonmallory
This document discusses woody biomass utilization and sustainability. It provides an overview of forest resources and climate change, bioenergy production, biobased products, and ensuring sustainability. The key points are that biomass can help address climate change by displacing fossil fuels; various federal and state policies aim to promote biomass energy and products; and effective policy is needed to achieve sustainable use of forest resources for bioenergy and products while protecting environmental values.
This document summarizes key points about engaging sales people. It discusses how talent management consists of attracting, identifying, developing, engaging, retaining, and deploying high-potential individuals. It notes that economic pressures may lead to high employee turnover in 2010. Tools like assessments can help reduce hiring risks and increase reliability. The document also discusses the concept of psychological contracts between employers and employees and how these contracts influence retention. Finally, it discusses the business case for employee engagement, noting that engaged employees are more motivated, higher performing, and longer tenured.
The document describes the implementation of Advanced Access scheduling at Triangle Family Practice. They were previously seeing 300 new patients per month with a 90 day wait for annual physicals. They decided to pilot Advanced Access to address high no-show rates, low patient and staff satisfaction, and inefficiencies. They closed to new patients and worked through the backlog. They changed policies to focus on same-day access and maximizing what is done at each visit. This improved access to providers, increased appointment acuity, and freed up future schedule space.
Green Packaging Asia provides green and sustainable packaging solutions. It has a team of designers and printers that work to create packaging with reduced environmental impact. The company aims to make the world more sustainable by partnering with customers on green packaging projects.
This document provides a chart summarizing various feline vaccines. It lists the vaccine product names, manufacturers, and which diseases or pathogens the vaccines protect against such as distemper, calicivirus, panleukopenia virus, feline leukemia virus, and rabies. It also includes information on packaging and lot codes for each vaccine product.
International Trade Compliance Strategy Responsibility MatrixGHY International
A quick reference tool that supports the white paper, The Case for an Integrated Trade Compliance Strategy. It shows a road map of relationships, owners, and tasks that are intertwined when an organization is active in international trade. This road map can assist an organization to benchmark their current practice versus that proposed with an Integrated Trade Strategy.
Social Media presentation on digital branding from Social Media speaker and trainer Dawn Raquel Jensen of Virtual Options Coaching & Training. @virtualoptions , @dawnrjensen
For more information about Dawn visit http://www.dawnonfacebook.com or http://www.dawnraqueljensen.com
The document summarizes a proposal for integrating Bangkok's mass transit system with its historic core districts to promote urban vitality and social cohesion. It begins by outlining the current fragmented conditions between the large-scale MTS and local urban fabric. The proposal then focuses on two districts located in an "urban dead void" that could potentially integrate with the historic core if redeveloped properly. Different types of streets and networks within the districts are analyzed. The vision is to use the MTS and underutilized streets to reconnect the districts, introducing mixed-use development and public transport options while preserving local heritage and networks. This would help balance development between the east and west sides of the river and address issues of segregation, sprawl
CSU ShortCourse Biomass And Bioenergy Jan 2008 Mpmmpattonmallory
This document discusses woody biomass utilization and sustainability. It provides an overview of forest resources and climate change, bioenergy production, biobased products, and ensuring sustainability. The key points are that biomass can help address climate change by displacing fossil fuels; various federal and state policies aim to promote biomass energy and products; and effective policy is needed to achieve sustainable use of forest resources for bioenergy and products while protecting environmental values.
This document summarizes key points about engaging sales people. It discusses how talent management consists of attracting, identifying, developing, engaging, retaining, and deploying high-potential individuals. It notes that economic pressures may lead to high employee turnover in 2010. Tools like assessments can help reduce hiring risks and increase reliability. The document also discusses the concept of psychological contracts between employers and employees and how these contracts influence retention. Finally, it discusses the business case for employee engagement, noting that engaged employees are more motivated, higher performing, and longer tenured.
The document describes the implementation of Advanced Access scheduling at Triangle Family Practice. They were previously seeing 300 new patients per month with a 90 day wait for annual physicals. They decided to pilot Advanced Access to address high no-show rates, low patient and staff satisfaction, and inefficiencies. They closed to new patients and worked through the backlog. They changed policies to focus on same-day access and maximizing what is done at each visit. This improved access to providers, increased appointment acuity, and freed up future schedule space.
Green Packaging Asia provides green and sustainable packaging solutions. It has a team of designers and printers that work to create packaging with reduced environmental impact. The company aims to make the world more sustainable by partnering with customers on green packaging projects.
This document provides a chart summarizing various feline vaccines. It lists the vaccine product names, manufacturers, and which diseases or pathogens the vaccines protect against such as distemper, calicivirus, panleukopenia virus, feline leukemia virus, and rabies. It also includes information on packaging and lot codes for each vaccine product.
International Trade Compliance Strategy Responsibility MatrixGHY International
A quick reference tool that supports the white paper, The Case for an Integrated Trade Compliance Strategy. It shows a road map of relationships, owners, and tasks that are intertwined when an organization is active in international trade. This road map can assist an organization to benchmark their current practice versus that proposed with an Integrated Trade Strategy.
Social Media presentation on digital branding from Social Media speaker and trainer Dawn Raquel Jensen of Virtual Options Coaching & Training. @virtualoptions , @dawnrjensen
For more information about Dawn visit http://www.dawnonfacebook.com or http://www.dawnraqueljensen.com
1. The document outlines a "Singles Lifecycle" with four stages: Post-Trauma, Thrill, Stagnation, and Surrender.
2. Each stage is associated with a "single type" - for example, in the Post-Trauma stage the types are "Dumper" and "Dumpee," and in the Thrill stage the types are "Relationship seeker" and "Self actualizer."
3. The document describes the strategy employed by each single type to deal with their stage in the lifecycle. For example, Dumpers explore possibilities after a breakup while Dumpees cope with feelings of victimization.
This document discusses different types of retail store designs. There are chain stores that sell a standardized set of products across many locations with consistent branding and staff training. There are also single-branded stores that focus on one type of product. Meanwhile, mom and pop stores tend to be more personalized with a smaller and more diverse selection of items. Store design aims to tailor the shopping experience to the target customer base through elements like layout, signage, and product presentation.
Whirlpool completed the acquisition of Maytag Corporation on March 31, 2006 for $2.8 billion. The combined company has over $18 billion in annual sales, holds the #1 position in global market share and brand recognition, and offers products for all major appliances categories across 6 of the top 100 global brands. The acquisition expanded Whirlpool's consumer reach and is expected to generate significant cost efficiencies and innovation through increased scale.
This is is a representation of the kabbalistic Tree of Life. The sefirot/pathway arrangement is based on my interpretation of the Sefer Yetzirah (as explained in my books Formation of the Tree of Life and Sefer Yetzirah + Magic).
Enterprise Collaboration: Can You Connect Social Learning and Business Perfor...Human Capital Media
How’s your social learning initiative going? If you are like most companies, you can easily match your situation with one of the following categories.
Category 1: We are just getting started and are unsure of how to proceed.
Category 2: We have started using social media for learning, but we don’t really have a strategy for how to leverage it.
Category 3: We have mastered the technology and its adoption and are seeing daily benefit.
If your situation falls into either Category 1 or Category 2, this session is a must for you. Learn how to put social learning into context and into action in your organization. If your situation is closest to Category 3, we encourage you to attend this session to share the successes of your experience with your peers. Either way, this session promises to connect you.
Eric Bruner, Chief Technologist, RWD Technologies
The Joetsu Line is a railway line in Japan operated by East Japan Railway Company (JR East). It connects Tokyo and Niigata Prefecture. The line runs along the southern edge of the Japan Alps and provides access to several mountain towns and ski resorts in Nagano Prefecture.
The document discusses open data in Manchester and how the city can become a leader in open data initiatives. It notes that open data is changing the world as governments and cities make more of their data freely available online. Manchester has the opportunity to be at the forefront of 21st century cities that innovate using open data. The document provides examples of open data cities initiatives and highlights legislation supporting open data. It outlines the business case for open data in areas like transportation and across local authorities. Five stars of open data are described and examples are given of hackdays and challenges using open data from Manchester.
This summary provides an overview of the key points from an issue of the Wood News publication:
- The lead article discusses Hadley's speedster cycling efforts for Nikki Forsyth's charity and includes a message of support.
- Another article previews upcoming party plans at Westminster and notes some unusual guest appearances.
- The issue also includes community updates on local parking issues, garden renovations, and farewell messages for those moving away from the area.
Idenitifying the fit for perennial forage options in a crop-livestock system:...Joanna Hicks
The document describes using a whole-farm optimization model called MIDAS to evaluate the profitability and environmental impacts of incorporating forage shrubs into a typical 3000 hectare crop-livestock farm in Australia's low rainfall Mallee region. The model simulates over 200 crop-pasture rotations across 7 different land management units and considers interactions between enterprises. Model results show that incorporating up to 10% forage shrubs has little impact on whole-farm profit, but above 10% profit sharply declines. Higher shrub biomass production and nutrient levels increase potential profitability. Changes to commodity prices also impact the optimal shrub allocation.
The document shows inventory levels and units in stock for different product categories, with the highest levels of inventory being for beverages at 559 units, meats at 165 units, and condiments at 507 units. It also includes two charts, one comparing inventory levels across categories and another showing number of customers by country with the United States having the most at 13 customers.
It’s 2013; do you know where your HCAHPS scores really come from? Join us to learn about which aspects of the patient experience have the greatest impact on the HCAHPS survey. Identify the “cornerstones of care” that can change the outcome of your scores. Learn strategies and tactics to offer intelligent, efficient care. Ensure that your facility obtains the maximum Value-Based Purchasing reimbursement possible.
This document summarizes strategies for increasing revenues from Materials Recovery Facilities (MRFs) presented at the 2012 County Forum on Innovative Waste Management. It discusses the evolution of MRFs and single-stream recycling, the importance of understanding commodity markets and the recyclables stream, and contracting strategies like revenue sharing models and long-term contracts. Key points emphasized include understanding the value of recyclables, tracking packaging trends, optimizing cart programs, and negotiating assertively but flexibly with MRF operators.
The document discusses blue whales and their conservation. It notes that blue whales were nearly hunted to extinction but their numbers are slowly increasing thanks to international bans on commercial whaling. The future of blue whales remains uncertain and dependent on environmental protections and cultural changes.
The telephone has had a long history of development. Ancient Greeks and Chinese used systems like flashing mirrors to communicate over long distances, while Samuel Morse invented the telegraph in the 1830s. Alexander Graham Bell is credited with inventing the first practical telephone in 1876. His telephone allowed people to talk to each other over wires for the first time. Now telephones are very common and allow easy communication between family members even when separated by long distances. The telephone has had a big impact on modern life by making communication more convenient.
This document describes an agricultural facility called Alpha Farm. It includes several components such as solar panels, a lightweight steel frame, venting systems, a chicken run, bee hives, and spaces for auxiliary growth, storage, and education. The primary growing space utilizes hydroponics and aeroponics. There is also an external growing space with reflective mirrors. The facility aims to be sustainable by including algae production, duckweed, protozoa, plankton, shrimp, and a fish farm. It also has systems for composting and oxygen circulation.
The document provides instructions for three physics problems:
1) Calculate the resistance of a lamp when the current is 0.20 A.
2) Complete a table showing how voltage, current, and resistance change when adjusting a rheostat.
3) Calculate the current drawn and resistance of a fluorescent lamp rated at 15W, 120V.
OpenID Foundation Japan Chapter AnnouncementDavid Recordon
The document discusses the growing adoption of OpenID as a single sign-on protocol for user authentication on the internet. It notes that over 10,000 websites now support OpenID login and that there are well over 250 million OpenIDs in use. OpenID allows users to log into multiple websites using a single digital identity and prevents websites from having access to user's login credentials. The OpenID Foundation was established to promote and develop OpenID as the framework for user-centric identity on the web.
1. The document outlines a "Singles Lifecycle" with four stages: Post-Trauma, Thrill, Stagnation, and Surrender.
2. Each stage is associated with a "single type" - for example, in the Post-Trauma stage the types are "Dumper" and "Dumpee," and in the Thrill stage the types are "Relationship seeker" and "Self actualizer."
3. The document describes the strategy employed by each single type to deal with their stage in the lifecycle. For example, Dumpers explore possibilities after a breakup while Dumpees cope with feelings of victimization.
This document discusses different types of retail store designs. There are chain stores that sell a standardized set of products across many locations with consistent branding and staff training. There are also single-branded stores that focus on one type of product. Meanwhile, mom and pop stores tend to be more personalized with a smaller and more diverse selection of items. Store design aims to tailor the shopping experience to the target customer base through elements like layout, signage, and product presentation.
Whirlpool completed the acquisition of Maytag Corporation on March 31, 2006 for $2.8 billion. The combined company has over $18 billion in annual sales, holds the #1 position in global market share and brand recognition, and offers products for all major appliances categories across 6 of the top 100 global brands. The acquisition expanded Whirlpool's consumer reach and is expected to generate significant cost efficiencies and innovation through increased scale.
This is is a representation of the kabbalistic Tree of Life. The sefirot/pathway arrangement is based on my interpretation of the Sefer Yetzirah (as explained in my books Formation of the Tree of Life and Sefer Yetzirah + Magic).
Enterprise Collaboration: Can You Connect Social Learning and Business Perfor...Human Capital Media
How’s your social learning initiative going? If you are like most companies, you can easily match your situation with one of the following categories.
Category 1: We are just getting started and are unsure of how to proceed.
Category 2: We have started using social media for learning, but we don’t really have a strategy for how to leverage it.
Category 3: We have mastered the technology and its adoption and are seeing daily benefit.
If your situation falls into either Category 1 or Category 2, this session is a must for you. Learn how to put social learning into context and into action in your organization. If your situation is closest to Category 3, we encourage you to attend this session to share the successes of your experience with your peers. Either way, this session promises to connect you.
Eric Bruner, Chief Technologist, RWD Technologies
The Joetsu Line is a railway line in Japan operated by East Japan Railway Company (JR East). It connects Tokyo and Niigata Prefecture. The line runs along the southern edge of the Japan Alps and provides access to several mountain towns and ski resorts in Nagano Prefecture.
The document discusses open data in Manchester and how the city can become a leader in open data initiatives. It notes that open data is changing the world as governments and cities make more of their data freely available online. Manchester has the opportunity to be at the forefront of 21st century cities that innovate using open data. The document provides examples of open data cities initiatives and highlights legislation supporting open data. It outlines the business case for open data in areas like transportation and across local authorities. Five stars of open data are described and examples are given of hackdays and challenges using open data from Manchester.
This summary provides an overview of the key points from an issue of the Wood News publication:
- The lead article discusses Hadley's speedster cycling efforts for Nikki Forsyth's charity and includes a message of support.
- Another article previews upcoming party plans at Westminster and notes some unusual guest appearances.
- The issue also includes community updates on local parking issues, garden renovations, and farewell messages for those moving away from the area.
Idenitifying the fit for perennial forage options in a crop-livestock system:...Joanna Hicks
The document describes using a whole-farm optimization model called MIDAS to evaluate the profitability and environmental impacts of incorporating forage shrubs into a typical 3000 hectare crop-livestock farm in Australia's low rainfall Mallee region. The model simulates over 200 crop-pasture rotations across 7 different land management units and considers interactions between enterprises. Model results show that incorporating up to 10% forage shrubs has little impact on whole-farm profit, but above 10% profit sharply declines. Higher shrub biomass production and nutrient levels increase potential profitability. Changes to commodity prices also impact the optimal shrub allocation.
The document shows inventory levels and units in stock for different product categories, with the highest levels of inventory being for beverages at 559 units, meats at 165 units, and condiments at 507 units. It also includes two charts, one comparing inventory levels across categories and another showing number of customers by country with the United States having the most at 13 customers.
It’s 2013; do you know where your HCAHPS scores really come from? Join us to learn about which aspects of the patient experience have the greatest impact on the HCAHPS survey. Identify the “cornerstones of care” that can change the outcome of your scores. Learn strategies and tactics to offer intelligent, efficient care. Ensure that your facility obtains the maximum Value-Based Purchasing reimbursement possible.
This document summarizes strategies for increasing revenues from Materials Recovery Facilities (MRFs) presented at the 2012 County Forum on Innovative Waste Management. It discusses the evolution of MRFs and single-stream recycling, the importance of understanding commodity markets and the recyclables stream, and contracting strategies like revenue sharing models and long-term contracts. Key points emphasized include understanding the value of recyclables, tracking packaging trends, optimizing cart programs, and negotiating assertively but flexibly with MRF operators.
The document discusses blue whales and their conservation. It notes that blue whales were nearly hunted to extinction but their numbers are slowly increasing thanks to international bans on commercial whaling. The future of blue whales remains uncertain and dependent on environmental protections and cultural changes.
The telephone has had a long history of development. Ancient Greeks and Chinese used systems like flashing mirrors to communicate over long distances, while Samuel Morse invented the telegraph in the 1830s. Alexander Graham Bell is credited with inventing the first practical telephone in 1876. His telephone allowed people to talk to each other over wires for the first time. Now telephones are very common and allow easy communication between family members even when separated by long distances. The telephone has had a big impact on modern life by making communication more convenient.
This document describes an agricultural facility called Alpha Farm. It includes several components such as solar panels, a lightweight steel frame, venting systems, a chicken run, bee hives, and spaces for auxiliary growth, storage, and education. The primary growing space utilizes hydroponics and aeroponics. There is also an external growing space with reflective mirrors. The facility aims to be sustainable by including algae production, duckweed, protozoa, plankton, shrimp, and a fish farm. It also has systems for composting and oxygen circulation.
The document provides instructions for three physics problems:
1) Calculate the resistance of a lamp when the current is 0.20 A.
2) Complete a table showing how voltage, current, and resistance change when adjusting a rheostat.
3) Calculate the current drawn and resistance of a fluorescent lamp rated at 15W, 120V.
OpenID Foundation Japan Chapter AnnouncementDavid Recordon
The document discusses the growing adoption of OpenID as a single sign-on protocol for user authentication on the internet. It notes that over 10,000 websites now support OpenID login and that there are well over 250 million OpenIDs in use. OpenID allows users to log into multiple websites using a single digital identity and prevents websites from having access to user's login credentials. The OpenID Foundation was established to promote and develop OpenID as the framework for user-centric identity on the web.
ePortfolios: Documenting Life Long Learning of Professionals to Reflect Practice Excellence. Watson M. eHealth week 2010 (Barcelona: CCIB Convention Centre; 2010)
This document is a psychrometric chart that shows temperature and humidity information at sea level under normal and low temperature conditions. It displays lines and scales for dry bulb temperature, wet bulb or saturation temperature, relative humidity, enthalpy, moisture content, and sensible heat factor.
The document provides a summary of the evaluation of EU public procurement directives. It finds that the directives are effective in increasing transparency and competition, resulting in estimated savings of 2.1-4% of contract values. However, cross-border procurement remains low and there are differences in implementation among member states. The directives are also found to be relevant, efficient and consistent with other EU policies, but with room for improvement regarding costs and unintended consequences. Overall, the directives are seen to provide EU added value by facilitating the single market, though greater coordination is still needed due to implementation differences.
This document discusses OpenID, a single sign-on protocol for the web. OpenID allows users to log into multiple websites using a single digital identity and is decentralized, with no single point of failure. The document provides information on how OpenID works, the basic roles of OpenID providers and relying parties, and how to enable OpenID on a website using one's own server and URL.
This document provides a breakdown of the costs associated with developing and delivering a Moodle-based distance education program. Development costs total $2670, including $1000 for a development team and $500 for equipment. Delivery costs total $1270, with the largest portions going to a server ($200) and power/internet ($320). Support costs after launch include maintenance, content updates, and a call center.
This document provides a breakdown of the costs associated with developing and delivering a Moodle-based distance education program. Development costs total $2670, including $1000 for a development team and $500 for equipment. Delivery costs total $1270, with the largest portions going to a server ($200) and power/internet ($320). Support costs after launch are estimated to be $1270 annually.
Liaison Faculty09 - Research for NHS Clinicians [Workshop]Alex J Mitchell
This is a workshop from 19-Mar-09 presented at the Royal College of Psychiatrists Liaison Faculty AGM in Prague. It is aimed at helping NHS clinicians getting published and understanding the pitfalls in publishing. Includes an analysis of productivity by medical colleagues in liaison psychiatry annoymised in this version)
A Moon Township woman perished in the 1990s at the center of the assisted-suicide storm caused by Dr. Jack Kevorkian helping terminally ill patients end their lives. Kevorkian helped over 100 people die and was eventually convicted of second-degree murder for administering a lethal injection to a patient on television. The woman from Moon Township was one of the first people Kevorkian helped die, thrusting the issue of physician-assisted suicide into the national spotlight.
Virginia Update on Solar Energy Policies and ProgramsMDV-SEIA
Ken Jurman shares the latest incentives and policies for solar energy available in the state of Virginia.
Ken Jurman is the Renewable Energy Director at the Virginia Department of Mines, Minerals and Energy.
This presentation was given December 4, 2009 at the Solar Energy Focus Conference: Fall 2009 hosted by the Maryland, DC, Virginia Solar Energy Industries Association (MDV-SEIA) in Gaithersburg, MD.
To learn more please visit:
www.mdvseia.camp7.org
Green Turbine Ivey Presentation November 18, 2009robsklein
Green Turbine has developed a patented technology that converts waste heat into electricity. Their system captures heat emitted by industrial customers and uses it to power a turbine and generate electricity. This process turns what would otherwise be pollution into a revenue stream. They are seeking $5 million in financing to commercialize their 1-50 kW product offering and expand their business. Their financial projections show rapid revenue and unit sales growth, reaching profitability in 2013. Management has extensive experience in cleantech startups and building successful businesses.
Designing learning spaces to meet the changing needs and expectations of stud...Dan Munnerley
This document discusses a case study of the University of Canberra's project to design new learning spaces to meet the changing needs of students and staff. It overviews the $3.7 million project funded by the Education Investment Fund to create a staff commons, student commons, and teaching and learning center over 16 months. Floor plans are provided for the staff commons designed to encourage exchange of teaching ideas and the student commons expanding facilities for collaborative learning spaces.
This document appears to be a list of 17 projects funded by the Comenius 2012 program. It includes the project number, title, participating organizations, grant amount awarded in Euros for each project. The projects focus on topics like folk music, environmentalism, art, education, traditions, and rural life. The total amount of funding awarded for the 17 projects is €357,000.
U.S. Renewable Energy Market And GrowthBrookeHeaton
This document summarizes a presentation on renewable energy in the United States given in Berlin, Germany on December 1, 2009. It discusses current US energy consumption and sources, which are dominated by fossil fuels. Renewable energy makes up around 9% of total energy supply. The presentation then covers various renewable energy resources in the US and recent growth in the renewable energy market. It also describes state-level policy tools like renewable portfolio standards and incentives that have supported this growth. Finally, it discusses federal policies including tax credits that have driven renewable energy development.
This document discusses different types of community support, including proximity, sharing experiences, and modeling identity. It focuses on providing comfort through spiritual, emotional, intellectual, and practical support in a context of shared humanity, morality, and security.
The document summarizes major changes made to income tax and wealth tax in India's 2009-2010 budget. Key points include:
- Exemption limits for personal income tax were raised for senior citizens, women taxpayers, and all other individuals.
- Deduction limits for dependent medical care were increased. Surcharge on various direct taxes will be phased out, starting with a 10% surcharge on personal income tax.
- Benefits for export profits were extended by one year. Fringe benefit tax was abolished starting in 2010-2011. Scope of weighted deduction for in-house R&D was expanded.
The document provides examples of branding and logo design work, including case studies. It showcases logos created for various clients over the past 12 months in different industries like property development, sports, and IT consulting. Case studies demonstrate the logo design process from initial concepts to final designs. Examples also include subsequent branding elements like brochures and websites developed based on the logos. Email marketing designs for a property client promoting individual development sites are also presented. The document aims to highlight the author's skills in logo and visual identity design, conceptualization, and implementing full brand systems.
Similar to Solar Space Heating in New Construction (20)
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Procrastination is a common challenge that many individuals face when it comes to completing tasks and achieving goals. It can hinder productivity and lead to feelings of stress and frustration.
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In this article, we will explore the causes of procrastination, how to recognize the signs of procrastination in oneself, and effective strategies for overcoming procrastination and boosting productivity.
As we navigate through the ebbs and flows of life, it is natural to experience moments of low motivation and dwindling passion for our goals.
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You may be stressed about revealing your cancer diagnosis to your child or children.
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Solar Space Heating in New Construction
1. Professional design, installation and service of renewable energy systems
Renewable Heating System Options in New Construction
Choosing the right renewable energy system for your project is a personal and highly specific
task. We believe our job is to recommend high quality technologies that are proven to be
reliable and environmentally friendly, and then collaborate with you to determine what will best
suit your specific project goals. There are two aspects to any heating system; source and
distribution. The source is what creates the heat and the distribution is how that heat is
dispersed through the building. Understanding the heating requirements unique to your project
is the first step in figuring out how to meet them.
Home Envelope Performance:
The first question to answer is just how much heat do we need to keep the house nice and
comfortable. Obviously this heat load varies both with the size of the building and the
performance of the building envelope. One metric we find useful to compare the heating
performance of various buildings of different sizes is the specific annual heat energy demand.
We calculate it in units of: BTU/sf per year.
A typical Maine home built conventionally to the present building standards (5.5” of fiberglass
insulation, double-pane windows and decent, but not exceptional, workmanship) will require
about 50kBTU/sf per year. In other words, each square foot of conditioned space requires
50,000 BTUs in a typical heating season to keep it warm. As an example, a typical 2,000 sf
home built to this standard would require about 800 gallons of heating oil in the heating
season. The house would probably use another 200-250 or so gallons of oil in the non-heating
season for domestic hot water.
With some attention to detail in air-sealing, window selection and placement, a somewhat
better wall (like cellulose in the cavity and a 1-2 inch rigid layer to stop thermal breaks), we’ve
found it is relatively easy, when building new, to get into the range of 25-35,000 BTU/sf/yr.
Imagine that; for just a little effort in the wall system, you can essentially halve your heating
load (and bill).
As building insulation improves, more and more of the heat load for a house comes in the form
of energy required to heat fresh air, which is needed to keep the house healthy and
comfortable. To keep healthy air while continuing to reduce infiltration and achieve specific
heating loads of less than 25,000BTU/sf/yr tends to require an HRV or ERV, which is a
mechanical ventilation system that recycles the heat that would otherwise leave the house as
fresh air comes in (http://en.wikipedia.org/wiki/Heat_recovery_ventilation).
Finally, as you continue to drive the building performance up, you eventually reach a point
where the heating load is so small that it hardly even justifies a boiler or furnace anymore.
We’ve had the pleasure of working on several of these super high performance homes
throughout Maine whose heat load is in the range of 12-15kBTU/sf/yr. And we are currently
working on a handful more that are trying to reach the German Passivhaus standard, which is
a very challenging 5kBTU/sf/year http://en.wikipedia.org/wiki/Passive_house
Bangor Liberty Portland Portsmouth
207-570-4222 207-589-4171 207-221-6342 603-486-7170
www.revisionenergy.com
2. Professional design, installation and service of renewable energy systems
Typical Heat load by construction type
50000
Specific Annual Heating demand
45000
40000
35000
(BTU/sf/yr)
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25000
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Determining the Annual Load
Now that you know the specific annual heat load for the house you are building, we can get an
idea of total annual load by multiplying the square footage by that specific annual heat load.
If you’ve got a 1,500 sf home that you wish to go all out with insulating, including a Heat
Recovery Ventilator, so you achieve a specific annual heat load of 25,000 BTU/sf/yr, your total
annual heat load will be in the 35 to 40 Million BTU range.
If you do just a decent job insulating, without mechanical ventilation on a larger, 3,000 sf
house and achieve 45,000 BTU/sf/year, you’ll need more like 130 Million BTUs each year.
Choosing a heating system option:
If you made it this far in the document, we take it as a given that you are interested in installing
a heating system fueled partially (or mostly) by a renewable energy source. There are a
number of ways to tackle this problem and which one is right for you depends not only on the
size of the total load, but also on your personal preference and lifestyle.
While it would be impossible to describe every possible renewable heating system in detail in
this document, below are descriptions of four different systems which all achieve the goal of a
renewable energy heating system for Maine’s climate.
Bangor Liberty Portland Portsmouth
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3. Professional design, installation and service of renewable energy systems
Solar Space Heating & Domestic Hot Water System Options
System option 1: Solar Space Heating with High Efficiency Gas Backup
If your goal is to get a substantial fraction of the home’s active space heating requirements
from the sun, then we recommend a medium to large-sized evacuated tube solar hot water
collector array (180 to 360 Apricus tubes), one or two super-insulated solar storage tanks (160
to 320 Gallons) and backup heat supplied by a high efficiency, wall hung, modulating and
condensing propane boiler such as the Triangle Tube Prestige.
The solar hot water system is designed to supply both domestic water heating and
supplemental space heating. The Prestige, with just seven parts, provides reliable backup and
is easily serviced. The collectors will be mounted on stainless steel lift kits and elevated to
approximately 60 degrees to optimize wintertime performance. With an acceptable orientation
range from 155 to 245 degrees on the compass, the collectors will be installed facing
southward, either on the roof or ground of the home. The solar storage tanks are ideally
located in the boiler room, near the boiler and other mechanicals.
On a good sunny day, the solar system will produce a 60-70 degree temperature rise in the
storage tank(s) and will be sufficient to provide virtually all of your domestic hot water needs
throughout the year. In addition, during the shoulder seasons (early fall and late spring), the
system will have excess heat capacity and this capacity will be used to heat low temperature
distribution (typically a radiant slab). During the coldest months of the year, when less solar
energy is available, the boiler will automatically come on as necessary to supply supplemental
space heat and domestic hot water. The solar thermal system will typically supply somewhere
between 20-40% of the space heating load, and 95% of the domestic hot water load on an
annual basis. A well designed, 180 tube solar hot water and space heating system will
produce more than 29 Million BTUs of clean renewable heat energy and, by reducing the
amount of fossil fuel that your household will burn to heat water, it is estimated to eliminate
more than 6,000 lbs. of CO2 emissions each year.
Bangor Liberty Portland Portsmouth
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4. Professional design, installation and service of renewable energy systems
When the sun can’t get the domestic hot water or space heating job done, it is backed up by a
Triangle Tube Prestige Excellence boiler.
(http://www.triangletube.com/PDF/Prestige%20Cond_Boiler/Excellence_Lit.pdf)
This heating system will be engineered and installed to provide optimum response and
efficiency. The Triangle Tube Excellence 110 heating appliance is one of the most
sophisticated, well-constructed boilers currently manufactured. Triangle Tube boilers, although
rated at 93% AFUE efficiency, are capable of better than 95% combustion efficiency in low-
temperature applications, and can modulate down to 25% of the rated input. An outdoor reset
control supplied with the boiler matches its supply water temperature to the seasonally-variable
heat loss of the building. All of this means that Triangle Tube boilers are among the very
lowest in fossil fuel consumption among all other boilers on the market.
A schematic representation of the boiler and its integration in the heating system is included
below:
The solar portion of this system costs roughly $16,000 for 180 tubes to $28,000 for 360 tubes,
from which you can subtract the 30% federal tax credit and possibly an additional $1,000 state
rebate (though funding for the state rebate is limited).
The boiler and heating system installation will cost roughly $9-12k, which includes everything
you see in the schematic above except the heat distribution. (the boiler may qualify for an
additional $1500 tax credit as well as additional rebates from your utility or gas supplier).
Bangor Liberty Portland Portsmouth
207-570-4222 207-589-4171 207-221-6342 603-486-7170
www.revisionenergy.com
5. Professional design, installation and service of renewable energy systems
System option 2: Wood boiler with Storage and Solar Hot Water (Flat Plates)
In our climate, it is challenging to rid yourself of an active heating system altogether. If you
really want to eliminate fossil fuels from your home, and shrink your carbon footprint, we
believe one solution is to efficiently burn sustainably harvested cord wood or wood pellets.
Wood and wood pellets are a local resource and provide a virtually carbon neutral fuel
because remaining trees in a stand will absorb the CO2 emitted by the burned trees. We like to
think of wood (and pellets) as nature’s solar energy storage. The tree absorbs energy from the
sun throughout its life, and that energy is then released into your home when the tree is
burned.
The best way to burn wood is in a gasifying wood boiler with thermal storage. Unlike traditional
outdoor wood boilers, which are polluting and facing strict controls, the gasifying wood boiler
combusts every molecule of the wood, enabling it to achieve very high efficiency and nearly
smokeless operation. The boiler not only burns the wood, but also combusts the resulting
woodsmoke in a secondary chamber at temperatures up to 2,000 degrees F. Adding a large
thermal storage tank to the system greatly reduces the work involved in using wood fuel
because it lets you build one hot fire a day (or every other day in the spring and fall) to heat the
600 gallon tank and then gradually use the energy stored in the tank to heat the house
throughout the whole day. This system allows you to burn wood into the shoulder seasons
when a wood boiler without storage becomes impractical to run because of its tendency to
overheat the house.
Bangor Liberty Portland Portsmouth
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6. Professional design, installation and service of renewable energy systems
When paired with a thermal storage tank, the wood boiler we recommend is the Tarm Solo
Innova (http://www.woodboilers.com/product-detail.aspx?id=45). The final benefit of this option
is that since you really can go nearly 100% to wood, and the fossil boiler becomes a backup
which is rarely used (maybe only when you are on vacation or just don’t feel like loading the
boiler), it might make sense to use a slightly less efficient (but also less expensive) boiler than
the one proposed in option 1 above. In these cases, we often recommend and install the Biasi
Riva boiler (http://www.qhtinc.com/riva.html).
Installed cost for the Tarm Solo Innova with thermal storage tends to start around $18,000.
This includes integration with the heating system and propane boiler (though not the propane
boiler installation itself) for a fully automatic system. Installation of the Biasi Riva adds about
$5k to that.
In many cases, when we install wood boilers with storage, we’ll also install a solar hot water
system. In this case, the goal of the solar hot water system is to keep the storage tank hot in
the summer so that you don’t have to burn wood for domestic hot water only, and so that the
oil boiler never comes on. These systems are fairly large (for DHW systems) as far as collector
area goes (typically four 4x8 collectors), but pretty reasonable in cost because you don’t need
to buy an extra tank. In this case, we recommend flat plate collectors because typically you are
relying on the solar in the warmer months of the year, when the flat plate performance is very
good. Rough cost for the solar system is roughly $10-11k (less the 30% federal tax credit).
At left is a photo of four flat plate solar hot
water collectors which are ground-mounted
on a rack adjacent to an existing home.
This home in Ogunquit is heated by a Tarm
wood boiler with storage and the solar
thermal system assists with the space
heating load in the spring and fall, and
carries the entire DHW load throughout the
non-heating season
To the right, is a photo of four flat plate
solar hot water collectors which are roof-
mounted, along with a 2 kilowatt solar
electric array.
This home in Brunswick is heated by a
Tarm wood boiler with storage and the
solar thermal system assists with the space
heating load in the spring and fall, and
carries the entire DHW load throughout the
non-heating season
Each cord of firewood produces roughly 20 Million BTUs when burned dry in a Solo Innova
wood boiler with thermal Storage. A 2,000 SF house built to decent standards, without a Heat
Recovery Ventilator might only require 3 cords of wood for the entire year.
Bangor Liberty Portland Portsmouth
207-570-4222 207-589-4171 207-221-6342 603-486-7170
www.revisionenergy.com
7. Professional design, installation and service of renewable energy systems
System option 3: Pellet Boiler with Solar Hot Water System
Pellet boilers fall somewhere between a gas boiler and a wood boiler both in terms of cost of
the fuel, and also in terms of the interaction required from the homeowner. Typically pellet
boilers have been supplemental boilers which are backed up by another heat source (much
like the wood boiler above). The boilers are fed from a pellet hopper which the homeowner has
to keep full. This requires that every two to three days, the homeowner fill the hopper with 40
lb. bags of pellets and possibly to clean out some ash.
The pellet boiler we install most often is the impressive Tarm MultiHeat
http://www.woodboilers.com/product-detail.aspx?id=54
The MultiHeat is a highly efficient boiler with an exceptional reputation and a strong company
standing behind them. A full install of a MultiHeat costs roughly $16 to 20k, plus the cost of the
backup boiler.
The 2,000 sf house built to high, but not the very best standards (30,000 BTU/sf/year) would
require about 4 tons of pellets per heating season.
Bangor Liberty Portland Portsmouth
207-570-4222 207-589-4171 207-221-6342 603-486-7170
www.revisionenergy.com
8. Professional design, installation and service of renewable energy systems
System option 3a: Automatic Pellet Boilers
Another exciting pellet boiler option, which is new to the U.S. but has been available for years
in Europe, is a fully automatic, cold start, self-cleaning pellet boiler, like the Frohling P4
(http://www.woodboilers.com/product-detail.aspx?id=40).
These boilers essentially operate like an oil or gas boiler in that they require very little
homeowner interaction at all. Cleaning is annual and they draw their own fuel supply from a
bulk storage bin, which can be filled by a delivery truck, just like an oil tank. Unlike the
MultiHeat or the wood boiler, these fully automatic boilers do not require a backup boiler and
can be installed as the sole heat source for a house. We’re excited about this technology and
plan to install one of the first automatic pellet boilers in Maine in our own Portland workshop in
2009.
The automatic pellet boilers tend to be a bit more expensive than their bag fed siblings, but
eliminate the cost of a backup boiler. We expect to be able to install them for between $20k
and 25k. Automatic pellet boilers require bulk delivery, which is just coming on line this year
with a number of different suppliers offering delivery into our largest Maine Cities; Bangor,
Portland, Lewistion/Auburn, Rockland and Brunswick.
If you pursue either of the pellet boiler options, the solar domestic hot water system which we’d
pair with it is a more conventional, dual coil tank with two or three collectors. This can be either
evacuated tube or flat plates and both work very well. Typical cost of that installation might be
$10-11k (less the 30% federal tax credit and possibly the state rebate of $1k).
Bangor Liberty Portland Portsmouth
207-570-4222 207-589-4171 207-221-6342 603-486-7170
www.revisionenergy.com
9. Professional design, installation and service of renewable energy systems
System 4: Electric Heat powered with Grid tied Photovoltaics
Electric heat has a bad reputation, and mostly it deserves it. Electricity tends to be expensive
and when you get it from the grid it is environmentally filthy. On the other hand, because a grid
tied solar electric (photovoltaic) system allows you to generate renewable electricity during the
long days of the sunny summer months and carry that credit forward to the winter heating
season, electric heating systems can be one good way of achieving the goal of a home with
truly zero carbon footprint.
Since electricity is an expensive, premium energy source, we always want to use it as
efficiently as possible. One way to do this is with a Ground Source Heat Pump. Ground
source heat pumps are also frequently called ‘Geothermal Heat Pumps’ though that name is a
bit misleading as it leads people to associate it with hot springs and molten lava, neither of
which you’ll find under your property here in northern New England. In fact, the way a ground
source heat pump works is to take advantage of the nearly constant 50 degree temperature in
the soil and using a refrigeration cycle, to use that energy to heat your house. Doing this
requires a substantial amount of electricity for circulating pumps and especially for the
refrigeration compressor, which is why we categorize heat pumps under the heading ‘electric
heat’ , because that is what it is. When you heat with a heat pump, you are essentially heating
with electricity, though at an exceptionally high efficiency. The factor of efficiency over simple
resistive electric heat is frequently expressed as a C.O.P., or the Coefficient of Performance.
A heat pump with a COP of 3 uses electricity 3 times as efficiently as resistive electricity to
produce the same amount of heat.
In Maine, each 1,000 watts (1kW) of installed capacity of grid-tied PV can produce roughly
1,350 kw-hr of electricity each year. If a heat pump is producing heat at a COP of 3, it means
that each kW of PV provides enough electricity to make 14 Million BTUs for space heating.
This exceptionally well
designed and built building is
heated by an air source heat
pump powered by a
photovoltaic array.
The solar thermal system (in
the center of the roof) provides
hot water and does some of
the base load heating for the
space.
Ground source heat pumps powered by PV make sense when the load is fairly large and when
there is also an air conditioning load (as the ground source heat pump handles air conditioning
with a very high efficiency). Unfortunately, their performance is rather site specific and they
tend to be expensive to install. If the total building’s load is somewhat smaller another
alternative to consider is an air source heat pump. Although they tend to have lower annual
COP’s compared to ground source heat pumps, they are also much less expensive to install.
Bangor Liberty Portland Portsmouth
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www.revisionenergy.com
10. Professional design, installation and service of renewable energy systems
A 1,500 sf house with 15,000 btu/sf/year heating requirement only needs 22 Million BTUs per
year. An air source heat pump with a COP of just 2.5 would require less than 2,000 watts of
PV to handle the heating load, and a 5,000 watt system should handle the entire energy
budget of the home, at a cost of roughly $40,000 minus the 30% federal tax credit. A simple,
single unit, mini split air source heat pump adds only $7-8 k.
An environmental aside about electric heat: Electricity is dirty. Even though heat pumps use
electricity more efficiently, electricity is a dirtier fuel in terms of lbs. of CO2 emitted per BTU of
energy delivered , even when put through a heat pump. In our opinion, heat pumps start to
make environmental sense only when they are powered by renewable electricity. If you are
going to buy filthy, fossil fuel derived grid electricity to power a heat pump for heat, you are
better off burning the fuel yourself in a boiler or furnace and skipping all the complicated
energy conversion steps in the process.
When the required backup heat load gets really small, either because the house is super tight,
the homeowner decides to burn wood in a wood stove or because a solar themal system
carries a substantial fraction of the heating load, the final option to consider for electric heat is
good old fashioned resistive electric heat. This can either be a simple electric baseboard or
panel radiators, or the heat can be delivered through a low temperature hydronic system like a
radiant floor. These systems use an electric boiler which can be installed with a relatively low
up front cost and are simple and reliable. Installed cost for the boiler tends to be between $5
and 7k. The PV system cost varies according to size, but tends to be between $8 and 9 per
installed watt (minus the federal tax credit and any available state incentive).
This super insulated and beautiful home,
built in Woolwich, ME, relies primarily on
a wood cook- stove for heat during the
winter.
A ReVision Energy solar thermal system
provides domestic hot water and some
heat to the radiant floor, while the balance
of the heat is provided by an electric
boiler powered by the awning mounted
solar electric system, which is also
strategically located to provide passive
shading to the building in the summer.
Any of the above electric based renewable space heating options can be combined with a
solar thermal system. At the very least, the thermal system should be sized to carry the
majority of the domestic hot water load, but very frequently, the system is actually somewhat
larger and contributes to the space heating load in the shoulder seasons (spring and fall) so
that the electric backup can be smaller and used less often. We’d be happy to discuss the
optimum combination of solar thermal and PV powered electric heat for your particular home.
Bangor Liberty Portland Portsmouth
207-570-4222 207-589-4171 207-221-6342 603-486-7170
www.revisionenergy.com