standards or programs voluntarily that address responsible sourcing criteria Standard could mean ISO20400 Sust Procurement. Program could mean supplier baseline audit? or voluntary initiative such as CIRIA...

I wonder if/how thermal bridging of joints/egde between constructions should be included in the U-value of the construction? Example of such joins are corners, wall joints with roof or ground constructions, window (frames) in walls, balkonys, columns in a wall or areas in front of the internal ceilings when the ceiling is penetrating the wall insulation. These losses can be calculated using the standard "ISO 10211- Thermal bridges in building constructions" among others. If these effects of connections should be included into the U-values of the construction, how should the loss be spread between...

LEEDuser Expert 530 thumbs up September 22, 2020- 12:46 pm this one has been a bit of struggle for us as well.  Laboratory's that conduct the tests must be accredited under ISO/IEC 17025... and/or... organizations that certify manufacturer's claims must be accredited under ISO Guide 17065. This is what the LEED reviewer is looking for. Statements and product data from manufacturers is no longer accepted...

health can be explained in GWP (kg-CO2e) in LCA as we all know. Also, the social aspects can be expressed in LCA based on social LCA according to ISO14075. Water deprivation can be quantified by using...

analysis if furniture impact data is available to conduct the LCA and LCA data sets are compliant with ISO 14044. Note that Step 2 includes a list of materials that are typically included in an interiors...

stream.  Reuse of materials includes rework, regrind, or scrap product (ISO 14021); these count as preconsumer recycled  only if they are used in a different product than the one whose production generated...

submital documents for facade material- silicone sealant. i have a test report of VOC content based on ISO 11890-2. is it acceptable?  another question, is it madatory required to submit the "3rd party test...

who regulalry works with the required testing methods, knows how to handle the sampling process and works with an ISO accredited lab. I'd be very hesitant to hand this off to a mechanical...

Douglas Flandro Sustainability Design Leader, Exhibit Designer, Associate CambridgeSeven LEEDuser Premium Member 9 thumbs up June 26, 2024- 10:37 am There are guidelines in the reference guide. Page 689: STEP 1. DETERMINE AIR-TESTING LOCATIONS Select testing locations with the least ventilation but the greatest concentration of Vocs and other  contaminants. testing must be completed by an appropriately accredited professional. use current  versions of astM or iso methods. the number of testing locations depends on the size of the building  and number of ventilation systems but must include all...

Pellegrino Technical Director Centek Laboratories, LLC LEEDuser Basic Member 16 thumbs up June 25, 2024- 10:11 am Depending on the size of the building you can do the IAQ testing from a certified ISO...