[Equest-users] Texas OPERATIONAL Ventilation Requirements - eQuest Related

[Chris Jones]

A quick search reveals that the State of Texas adopted the IECC 2009 
code effective April 2011.  This document may provide some directions 
as to OA control.
http://www.seco.cpa.state.tx.us/tbec/comres.php

At 01:25 PM 06/06/2012, John Aulbach wrote:
>Gang:
>
>I am trying to find where in the Texas Health and Safety Code where 
>is says you must OPERATE ventilation in a certain manner, not just 
>design a system to provide such ventilation. Tells me if i can 
>reduce or eliminate exhaust air during certain times of the day (eQuest EEM).
>
>California Title-24, Subchapter 3, Section 121.c.1 specifically states:
>
>1. Times of occupancy. The minimum rate of outdoor air required by 
>Section 121(b)2 shall be supplied to each
>space at all times when the space is usually occupied.
>EXCEPTION 1 to Section 121(c)1: Demand control ventilation. In 
>intermittently occupied spaces that do not
>have processes or operations that generate dusts, fumes, mists, 
>vapors or gasses and are not provided with local
>exhaust ventilation (such as indoor operation of internal combustion 
>engines or areas designated for unvented
>food service preparation), the rate of outdoor air may be reduced if 
>the ventilation system serving the space is
>controlled by a demand control ventilation device complying with 
>Section 121(c)4.
>EXCEPTION 2 to Section 121(c)1: Temporary reduction. The rate of 
>outdoor air provided to a space may be
>reduced below the level required by Section 121(b)2 for up to 5 
>minutes each hour if the average rate for each
>hour is equal to or greater than the required ventilation rate.
>NOTE: VAV must comply with Section 121(c)1 at minimum supply airflow.
>
>I am trying to find a similar edict for the State of Texas.
>
>Any takers?
>
>John R. Aulbach, PE, CEM
>Senior Energy Engineer
>
>Partner Energy
>2154 Torrance Blvd, Ste. 100, Torrance, CA 90501
>W: 888-826-1216, X254| D: 310-765-7295 | F: 310-817-2745
><http://www.ptrenergy.com/>www.ptrenergy.com 
><mailto:|%20jaulbach at ptrenergy.com>| jaulbach at ptrenergy.com
>
>
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 >>
Christopher Jones, P.Eng.
Suite 1801, 1 Yonge Street
Toronto, ON M5E1W7
Tel. 416-203-7465
Fax. 416-946-1005
email cj at enersave.ca
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