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Biotown. Staff: James Caraher Justin Mauck Sean McCaffrey Nathaniel Pedue Louis Ruggio Brandon Reece David “Chi Chi” Truong. COO: Laura Heverly Sub team Leaders: Peter Brinson Adam Ralph

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biotown

Biotown

Staff: James Caraher

Justin Mauck

Sean McCaffrey

Nathaniel Pedue

Louis Ruggio

Brandon Reece

David “Chi Chi” Truong

COO: Laura Heverly

Sub team Leaders: Peter Brinson

Adam Ralph

Dan Rozsahegyi

project scope
Project Scope
  • Energy efficient affordable green home design
  • Green training for homeowners and building construction
  • Habitat for Humanity
  • Home design is to be delivered May 2009.
  • Training methods delivered Fall 2009 (after construction)
past work
Past Work
  • LEED research
    • Most feasible
    • How to attain points
  • Products/Practices most beneficial
    • Cost-effective, highest return on the dollar
  • Revised LEED research
    • Similar, with more points
    • Demographic research on Reynolds, Indiana
  • Conferences
    • Tacoma, WA – Evergreen Standard
    • Indianapolis, IN - NGBS
semester goals
Semester Goals
  • Green rating systems & standards
  • Disbanded recently to focus on other areas
green rating systems
Green Rating Systems
  • Energy Star
    • Funded for HFH by city of Lafayette
  • LEED, Leadership in Energy and Environmental Design
    • Several LEED accredited professionals within HFH and Purdue community
  • NGBS, National Green Building Standard
    • NAHB, National Association of Home Builders
    • Rating system popular in Indiana
    • Simplified compared to LEED, contractor friendly
    • HFH Construction Manager familiar with this system
leed research
LEED Research
  • Comprehensive approach at energy design
    • Looks at current homeowner energy use
    • Looks at energy use after built
    • Looks at lasting imprint of house
slide8
LEED
  • Divided into teams
  • Review sections among team
  • Reviewed applicability of LEED to our project
construction manual brochure
Construction Manual Brochure
  • Used for techniques and products
  • Included in brochure
    • Cost
    • Payback
    • Typical vendors
    • Sources of information (resources)
    • Installation
    • Pros/Cons
    • Myths
    • Picture/Diagram
construction manual layout
Construction Manual Layout
  • Table of Contents
    • Interior finishes
    • Orientation and design
    • Foundations
    • Wall systems
    • Roof
    • Landscaping
  • Documented & created during/after construction
homeowners manual objectives
Homeowners Manual Objectives
  • Properly inform them of appropriate measures that need to be taken
  • Consider level of homeowner’s education into consideration when designing level of detail
elevations
Elevations

North Face

elevations1
Elevations

East Face

West Face

elevations2
Elevations

South Face

design considerations
Design Considerations
  • Orientation
    • Living spaces on south
    • Bedrooms on east
    • Kitchen/garage on northwest
  • Natural day lighting in living spaces
  • Accessible bathrooms
  • Centralize plumbing
  • Flow between public/semi public/ private
  • Handicap accessible
  • Minimize hallways
  • Natural Ventilation
energy modeling
Energy Modeling
  • Monthly and yearly totals
    • Heat load (kWh)
    • Electric load (kWh)
  • Size equipment
  • Analyze effectiveness of materials and systems
semester goals1
Semester Goals

Material selection and construction methods

  • Create home design with design team
  • Work with HFH CM, John Sears
  • Material details (i.e. dimensions) for design
  • Select materials
    • Justification
section breakdown
Section Breakdown
  • Plans broken into sections
    • Work through the home design plans step-by-step
    • Organizes progress
  • Section 1
    • Home layout
    • Foundation details
    • Zoning and building permit information
  • Section 2
    • Material selections (insulation, windows, doors)
    • Roof pitch & overhang
  • Section 3
    • Material selections (paint, flooring)
    • Attic
slide24

Raised heel truss

  • Allows full-height insulation over the exterior wall
  • Added height requires additional materials, increases cost
  • Beneficial due to payback

in heating/cooling costs

slide25

Water Heater

  • 40-gallon tank
  • Most cost effective
  • Tankless conserves water;

higher electric bill

  • Our site has a well, therefore

water conservation does not

benefit the homeowner

slide26

Insulation

  • Spray foam: ½” along interior wall
    • Seals wall from air infiltration
  • Batt Insulation: R13 along

interior wall on top of spray foam

    • Provides “meat” of insulating power
  • Foam sheathing: ½” along exterior wall
    • Radiant and vapor barrier
    • R3 insulator
siding
Siding
  • Vinyl:
    • Inexpensive, $2-3/sq. ft.
    • Low maintenance
    • Easy to install
  • Fiber cement:
    • Long life span
    • Low maintenance
    • Costs more than vinyl, $3-4/sq. ft.
    • More difficult to install (delicate handling)
  • Fireproof
  • Heat/cold resistant
alternative heating
Alternative Heating
  • Geothermal:
    • Water pipes run through yard
    • Heat/cool home
    • Expensive installation/maintenance
    • Additional method of heating in winter
  • Masonry heating:
    • Centralized furnace
    • Heats fluid through masonry twice a day
    • Wood burning, expensive installation
slide29
HVAC
  • Air-to-air heat exchanger
    • $500-600
    • Pre-heat/cool air
    • Replaces stale air
    • High electricity load
  • Air filtration system
    • $300+
    • Some portable models
    • Filters air, misses larger particles
future project work
Future Project Work
  • Complete material list
    • Format: Component

Application

Cost

Green justification

Pros & Cons

  • Local suppliers
  • Using resources