Why Buildings? Why Buildings? A way to transport a dry Mediterranean - - PDF document

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Why Buildings? Why Buildings? A way to transport a dry Mediterranean - - PDF document

May 11, 2023 33 likes •144 views

Top 10 Issues in Building Science Terry Brennan Camroden Associates Why Buildings? Why Buildings? A way to transport a dry Mediterranean climate to every god forsaken spot on the planet (and space as it turns out) Keep out

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Top 10 Issues in Building Science Terry Brennan – Camroden Associates

Why Buildings? Why Buildings?

  • A way to transport a dry Mediterranean

climate to every god‐forsaken‐spot on the planet (and space as it turns out)

  • Keep out annoying creatures
  • A place to put my stuff
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Top 10 Issues in Building Science Terry Brennan – Camroden Associates

Make a building

  • Make an enclosure
  • Add Heating, cooling, dehumidifying,

humidifying

  • People (and their stuff) move in and the fun

begins

Still moldy after all these years

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Top 10 Issues in Building Science Terry Brennan – Camroden Associates

Studies Link Dampness and Mold to Significant Respiratory Problems and to High Costs of Medical Treatment

  • Meta‐Analyses of the Associations of Respiratory

Health Effects with Dampness and Mold in Homes

  • Public Health and Economic Impact of Dampness

and Mold ‐ Indoor Air Journal

  • 30 percent to 50 percent increase in respiratory and

asthma‐related health outcomes.

  • ~4.6 million of the 21.8 million reported cases of (21

percent) linked to dampness and mold in homes.

  • ~ $3.5 billion to treat asthma linked to dampness

and mold in homes.

  • Keep it dry.

Make Existing Houses Energy Efficient

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SLIDE 4

Top 10 Issues in Building Science Terry Brennan – Camroden Associates

Indoor ozone – it brings good things to life

  • Breaks double carbon bonds – turns some VOCs

into more VOCs

  • In airplane study people were the biggest source
  • f ozone reaction VOCs – Wargocki
  • 3 meta‐studies – 0.85% increase mortality for

each 10ppb increase ozone – Weschler

  • BASE analysis links ozone to 33% ‐ 45% reported

symptoms – Apte

  • Unpainted gyp board soaks up ozone
  • Ozone plus VOC ‐ bad

Off Shore Products

  • Lead paint – toys, toys, toys
  • Illegal pesticides – still out there
  • Formaldehyde – 10 ply plywood
  • 130 ppb – 350 ppb closets – 900

ppb highest – Bailey

  • CARB study ‐ offerman
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Top 10 Issues in Building Science Terry Brennan – Camroden Associates

Sanitizers, disinfectants and pesticides

  • EPA and pesticide use in ductwork
  • 39,000 injuries from household bleach 2oo4

Poison Control Centers

  • Resistant staph
  • Guidelines for Environmental Infection

Control in Health‐Care Facilities ‐ CDC

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Top 10 Issues in Building Science Terry Brennan – Camroden Associates

Maintenance‐cleaning

Windows are not a reliable source of ventilation – bud offerman

Survey of Ventilation Behavior and Housing Characteristics in New California Houses

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Top 10 Issues in Building Science Terry Brennan – Camroden Associates

Radon and humidity control ‐ brad

20 40 60 80 100 120

1 / 1 5 / 5 1 1 / 1 4 / 5 1 2 / 1 4 / 5 1 / 1 3 / 6 2 / 1 2 / 6 3 / 1 4 / 6 4 / 1 3 / 6 5 / 1 3 / 6 6 / 1 2 / 6 7 / 1 2 / 6 8 / 1 1 / 6 9 / 1 / 6 1 / 1 / 6 1 1 / 9 / 6 1 2 / 9 / 6 1 / 8 / 7

Block Wall Equilibrium RH (%) Interior Core Thru Wall ASD Full (On/Off) ASD Single-Pipe (On/Off)

Combustion from unvented fireplaces

  • P. Francisco

7 of 15 houses greater than 250 ppb NO2 (Canadian threshold) 11 of 15 greater than 110 ppb (WHO threshold)

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Top 10 Issues in Building Science Terry Brennan – Camroden Associates

CO and generators Filters

  • Filter efficiency (MERV)
  • MERV applies to media filters
  • Filter bypass – if it doesn’t go through the

filter it doesn’t get filtered

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Top 10 Issues in Building Science Terry Brennan – Camroden Associates

Cures consumption, shakes, rheumatis’ and foul humours of the blood…

  • Fine Particles
  • a 10 mg/m3.rise in PM10 is associated with a

1% increase in mortality

  • 10 mg/m3 rise in PM10 hospital admissions

for asthma rise by ~2%

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Top 10 Issues in Building Science Terry Brennan – Camroden Associates

Activities and Resuspended Particles

from Ferro et al Environmental Science and Technology 2004, 38

10 20 30 40 50 60 70 80 90 1 2 3 4 5 Time (hours) Particle Concentration (ug/m3)

Dance on rug Walk on rug Dance on wood

10 20 30 40 50 10 20 30 40 50

Vacuum dust curve-kasara

Bag Weight (Grams) Time (minutes)

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Top 10 Issues in Building Science Terry Brennan – Camroden Associates

Border Communities Miller ‐ Shaughnessy – Turk