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Runoff volumes

NC-2009 SSc6.1: Stormwater design - quantity control
posted by Gregory Hurst on Sep 21, 2009, 6:50 pm

The key for volume calculation is knowing the 1 and 2-year, 24 hour storm depth. This is calculated fordifferent locations and it is a long process and it is not the same as calculating runoff...

Last reply: Jean Marais, Sep 28, 2010, 2:53 am

Packaged terminal heat pumps

NC-2009 EAc1: Optimize Energy Performance
posted by V. Miller on Sep 23, 2010, 3:45 am

Does anybody know why the baseline COP's for Packaged Terminal HVAC equipment (HVAC systems 1-2 for residential) are less for larger capacities and lower for smaller capacities i.e. Using the...

Last reply: Michael Tillou, Sep 27, 2010, 10:28 pm

Heat Recovery in Baseline Model

NC-2009 EAc1: Optimize Energy Performance
posted by V. Miller on Sep 23, 2010, 6:18 am

Does anyone know what the official line is on baseline heat recovery is for constant volume HVAC systems with more than 5000cfm?

ASHRAE 90.1 G3.1.2.10 Exhaust Air Energy Recovery states...

Last reply: Michael Tillou, Sep 27, 2010, 10:12 pm

Glare Control for CS project

CS-2009 IEQc8.1: Daylight and views - daylight
posted by Michelle Raigosa on Sep 18, 2010, 9:34 pm

Has anyone had any luck requiring the tenant to provide interior shading devices (interior blinds or shades) in order to achieve this requirement of the credit? I have a...

Last reply: Eddy Santosa, Sep 24, 2010, 6:24 pm

Anti-termite Treatment

NC-2009 IEQc3.1: Construction IAQ management plan - during construction
posted by Keerthi Ratnayake on Sep 24, 2010, 12:49 pm

Is there any ruling in LEED related to this activity which generally happens once the sub-...

Last reply: Allison Beer McKenzie, Sep 24, 2010, 1:54 pm

Life Support Systems factored in to EAp2 or EAc1?

NC-2009 EAp2: Minimum Energy Performance
posted by Lance Collins on Sep 23, 2010, 4:14 pm

How should projects that feature life-support systems for medical purposes account for their energy loads to comply with the prerequisite? These are 24/7 systems that also require redundancy so...

Last reply: Marcus Sheffer, Sep 24, 2010, 1:49 pm

Base element vs fixture, furniture and FF&E

NC-2009 IEQc4.4: Low-emitting materials - composite wood and agrifiber products
posted by Vivian Wan on Jun 29, 2010, 10:51 pm

Is there any solid definition for base elements and fixture/furniture/FF&E? Are Acoustic Panel, Timber Veneer, Plastic Laminate to Wall and movable openable wall panel defined as base...

Last reply: Tristan Roberts, Sep 24, 2010, 9:13 am

Pilot Credit 1 & Eco Calculator Questions

Pilot-Credits PC1: Life-Cycle Assessment (LCA) of Building Assemblies and Materials 
posted by Dirk Kestner on Sep 14, 2010, 4:46 pm

I am preparing my quantities for a project pursuing this credit and have a few questions about how much “massaging” the USGBC would like us to with our data when it doesn’t quite fit the options...

Last reply: Dirk Kestner, Sep 23, 2010, 6:24 pm

Waste Hauler sorts off-site

EBOM-2009 MRc6: Solid waste management - waste stream audit
posted by Kevin Kelly on Apr 1, 2010, 4:33 pm

The project that I am working on has one single waste hauler. As per NYC regulations all the trash and recycling are in separate bags, but other than that everything is sorted off site. We have...

Last reply: Tristan Roberts, Sep 23, 2010, 5:49 pm

Is it a roof-2?

NC-2009 SSc7.2: Heat island effect - roof
posted by on Apr 29, 2010, 6:36 pm

Similar question as above, but this time it's roof slab, a foot of soil, another slab and 4" of water above mechanical space. One space is not conditioned at all, the other space is barely...

Last reply: James Weiner, Sep 23, 2010, 4:47 pm