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Unformatted text preview: 6.2 Workshop, Factories, and Offices - 1.20 cubic meters of air space per person; 6.3 Habitable Rooms - 14.00 cubic meters of air space per person. 7. Window Openings:
7.1 Rooms intended for any use, not provided with aritificial ventilation system, shall be
provided with a window or windows with a total free area of openings equal to at least
ten percent of the floor area of the room, provided that such opening shall be not less than
one (1) square meter. However, toilet and bath rooms, laundry rooms and similar rooms
shall be provided with window or windows with an area not less than one-twentieth of the
floor area of such rooms, provided that such opening shall be not less than 240 sq. mm.
Such window or windows shall open directly to a court, yard, public street or alley, or
open water course.
Exception. Required windows may open into a roofed porch where the porch
a) b) 8. has a celing height of not less than 2.70 meters. c)
7.2 abuts a court, yard, public street or alley, or open water course and other public
open spaces. has one of the longer sides at least 65 percent open and unobstructed. Eaves over required windows shall be not less than 750 millimeters from the side and rear
property lines. Vent Shafts:
8.1 Ventilation or vent shafts shall have a horizontal cross-sectional area of not less than 0.10
square meter for every meter of height of shaft but in no case shall the area be less than
1.00 square meter. No vent shall have its least dimension less than 600 millimeters. 8.2 8.3 9. Skylights - Unless open to the outer air at the top for its full area, vent shafts shall be
covered by a skylight having a net free area or fixed louver openings equal to the
maximum required shaft area.
Air ducts shall open to a street or court by a horizontal duct or intake at a point below the
lowest window opening. Such duct or intake shall have a minimum unobstructed crosssectional area of not less than 0.30 square meter with a minimum dimension of 300
millimeters. The openings to the duct of intake shall be not less than 300 millimiters
above the bottom of the shaft and the street surface or level of court, at the respective
ends of the duct or intake. Ventilation Skylights:
Skylights shall have a gross not less than that required for the windows that are replaced. They
shall be equipped with movable shashes or louvers with an aggregate net free area not less than
that required for openable parts in the window that are replaced or provided with approved
artificial ventilation of equivalent effectiveness. 10. Artificial Ventilation:
10.1 Rooms or spaces housing industrial or heating equipment shall be provided with artificial
means of ventilation to prevent exessive accumulation of hot and/or polluted air. 10.2 Whenever artificial ventilation is required, the equipment shall be designed and
constructed to meet the following minimum requirements in air changes:
CUBIC METER CEILING HEIGHT, METER USE OR OCCUPANCY PER MINUTE PER PERSON
3.00 3.70 4.50
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This note was uploaded on 09/22/2013 for the course ARIDBE AR taught by Professor Any during the Fall '12 term at Mapúa Institute of Technology.
- Fall '12