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rainwater recovery at inside boundary, store at outside boundary, Can it be used as a calculation of potable water reduction?

NC-v4 WEp1: Outdoor water use reduction
posted by Ray Hsing Chen on Oct 1, 2018, 3:37 am

Paula Melton Editorial Director BuildingGreen, Inc. LEEDuser Moderator 144 thumbs up December 18, 2018- 11:29 am Hi, Ray! In this prerequisite, the use of rainwater does not come into play. Can you please re-post your question in this forum about the credit? Then I will see if the credit expert can answer this tricky question. Log in or register to post comments ...

Last reply: Paula Melton, Dec 18, 2018, 11:29 am

Kitchen faucet nominal flow rate vs maximum flow rate

CI-v4 WEp1: Indoor water use reduction
posted by shashank gangil on Oct 11, 2018, 9:52 pm

We are doing a CI project in Hong Kong and going to select a kitchen faucet for installation in the pantry. The Manufacturer data mentions 3.4 lpm as"nominal" flow rate of the fixture, which is ...

Last reply: shashank gangil, Oct 12, 2018, 8:04 pm

USGBC rainfall events calculator

NC-v4 SSc4: Rainwater management
posted by Leanne Niu on Nov 29, 2017, 11:01 pm

We could not get the 10 years of the historic daily rainfall data, if we could leave the sheet of historical data blank? and how we calculate the total runoff we need to control on site? 

Last reply: CBRE Sustainable Building Advisory, Sep 17, 2018, 1:59 pm

Paints for Artwork

CI-v4 EQc2: Low emitting materials
posted by Felicity Lee on Jul 26, 2018, 3:49 am

Hi All,

I have a small office project where we are going to do wall artwork and to be painted by artists on-site. 

It is highly uncommon to have artists' paints tested for...

Use of Pavegen as permanent entryway system

CS-2009 IEQc5: Indoor Chemical and Pollutant Source Control
posted by Kollsman Chan on May 20, 2018, 11:04 pm

Hi LEED experts,

I am currently designing a project in Hong Kong that tries to use pavegen with carpet coating at the entrance. I'm wondering if the slots of pavegen can fulfill the IEQ5...

Last reply: Emily Purcell, May 21, 2018, 10:24 am

one product both meet two criteria in option2.

CI-v4 MRc4: Building product disclosure and optimization - sourcing of raw materials
posted by Renaud Gay on Feb 24, 2017, 2:00 am

from a LEED tech team lead in this forum? Log in or register to post comments Michelle Rosenberger Partner ArchEcology LEEDuser Premium Member 444 thumbs up April 21, 2018- 11:16 am Hi all, Since...

Last reply: Allison Smith, Apr 22, 2018, 3:09 pm

drainage area for sediment basin

NC-2009 SSp1: Construction Activity Pollution Prevention
posted by Hongyun Zhou on Jun 9, 2016, 12:14 pm

when calculating the volume of sediment basin, what is the drainage area? Should I use footprint of the building or total land area of LEED boundary?

Last reply: Ward Miller, Feb 12, 2018, 5:06 am

How to calculate the Tank size

NC-v4 SSc4: Rainwater management
posted by Patrick Y P Lui on Jan 31, 2018, 3:35 am

I am working a hotel project with 6090 sq.m greenery + 14210 sq.m pavement and willing to get 3 points by Percentile of rainfall events (Option 1) - Path 2 98th Percentile.

Information I...

Item C Filtration under Option 1.

CI-v4 EQc1: Enhanced indoor air quality strategies
posted by Hannah Wong on Nov 28, 2017, 1:49 am

The requirement mentioned that ventialtion system that supplies outdoor air to occupied spaces must has particle filters or air-cleaning device that has filtration media meeting...

Calculating the surrounding density

CI-v4 LTc2: Surrounding density and diverse uses
posted by Yee Ting Wong on Nov 22, 2017, 11:14 pm

For the requirement of combined...