ASHRAE 62.1, Section A1.2.2 states:

Er is less than 1.0 for plenum return systems with secondary recirculation (e.g. fan-powered...

Hi everyone and thanks in advance for your attention and support.
I am following the design of a manufacturing building, inside the building there are two pressurized elevator and stariwell...

A high-rise mixed-use project with two levels of office and multiple levels of residential is in EPA Zone 1 for radon. All the codes addressing radon mitigation listed in the prerequisite...

There is a labor accomodation project with the no cooking facilities whatsoever. There will be centralised kitchen facility for the project. Do we still need to have CO sensors one per unit? If I...

The pre-requisite criteria speaks of having Carbon monoxide monitors installed in each dwelling unit. 

However, it is not common for dwelling units in Malaysia/Singapore to have such...

Hello everyone,

My question is related to major renovation projects. Are the spaces not undergoing renovation and out of scope of renovation work exempt from the credit requirements?

In some of our projects, we are providing outdoor air to some spaces which do not require outdoor air supply as per ASHRAE 62.1. For example, water tank room, some storages etc.
 

...

In a Mall project, it has multiple kitchens/restaurants which have ecology units that exhaust air (fume hoods). One Makeup Air Handling Unit (MAHU) is provided in each of these spaces to 'makeup...

Hello,

We have submiited...

Hi, 

I am supporting the design team for an hospitality building, rooms will be mechanically ventilated and will be composed by a bedroom, a living area and a bathroom.

Mechanical...