Certified Projects Database
No. |
1129 |
Project |
Ivy City Passive House Block B |
Status |
Certified |
Lead CPHC |
Barbara Gehrung
|
Builder |
Habitat for Humanity, Washington D.C. |
Location |
Washington D.C., DC |
QA/QC Rater |
Chris Conway |
Architecture Planning |
Zavos Architecture & Design |
Mechanical Systems Designer |
L.S. Grimm Inc. Consulting Engineers |
Constr. Type |
Mixed timber-masonry |
Bldg. Function |
Multifamily |
Floor Area |
3747 |
Project Type |
New Construction |
HERS Index |
|
LEED Rating |
|
Energy Star Rating |
|
Heating Degree Days |
4706 |
Cooling Degree Days |
1549 |
Units |
3 |
Certification Type |
PHIUS+
|
Certification Date |
January 19, 2017 |
Exterior Wall |
Gypsum Board
2x4, 16" o.c. w/Roxul comfort batt insulation, load bearing structure (balloon framing)
MDF structural sheathing (air-control layer)
10" vertical tji w/dense-pack cellulose
Buildright wood-fiber sheathing
air space
brick / fiber-cement cladding |
Floor |
Marmoleum/engineered wood flooring
OSB subfloor
10" tji w/densepack cellulose
4" concrete slab on grade |
Roof |
Gypsum Board
DB Intello Membrane
10"TJI's
OSB structural decking (air-control layer)
Polyiso Board Insulation
TPO/EPDM membrane roof |
Window Frame |
Either
a) Serious 525 fiberglass
b) Zola uPVC
c) Klearwall uPVC |
Window Glazing |
Klearwall Triple Glazing - final SHGC tbd |
Entrance Door |
Klearwall door
or
Zola uPVC door |
Ventilation |
Zehnder Comfoair 200 |
Heating System |
Ductless Mini-Split System per Specs
w/ air-share transfer fans |
Submitter |
Barbara Gehrung |
Air-tightness |
0.24 ACH50 |
Cooling System |
Ductless Mini-Split System per Specs
w/ airshare transfer fans |
Additional Consultants |
Michael Bonsby/Bonsby Heating and Air |
Additional Notes |
Please find specs for Mechanical Equipment, if not part of the provided drawing sets in the folders of Project 1122, Ivy City Block A.
Please see e-mail explaining shading calculations |