2018-02-12-minutes-cds-study-session

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DEFINITIONS [RBJ MASONRY, SOLID. Masonry consisting of solid masonry units laid contiguously with the joints between the units filled with mortar. [RB] MASONRY UNIT. Brick, tile, stone, architectural cast stone, glass block or concrete block conforming to the requirements specified in Section 2103 of the Tnterriational Building Code. Clay. A building unit larger in size than a brick, composed of burned clay, shale, fire clay or mixtures thereof. Concrete. A building unit or block larger in size than 12 inches by 4 inches by 4 inches (305 mm by 102 mm by 102 mm) made of cement and suitable aggregates. Glass. Nonload-bearing masonry composed of glass units bonded by mortar. Hallow. A masonry unit with a net cross-sectional area in any plane parallel to the loadbearing surface that is less than 75 percent of its gross cross-sectional area measured in the same plane, Solid. A masonry unit with a net cross-sectional area in every plane parallel to the loadbearing surface that is 75 percent or more of its cross-sectional area measured in the same plane. [RE] MASS WALL. Masonry or concrete walls having a mass greater than or equal to 30 pounds per square foot (146 kg/ml, solid wood walls having a mass greater than or equal to 20 pounds per square foot (98 kg/ml, and any other walls having a heat capacity greater than or equal to 6 Btu/fe • °F 1123 J/(rn' - K)]. [RB] MEAN ROOF HEIGHT. The average of the roof eave height and the height to the highest point on the roof surface, except that eave height shall be used for roof angle of less than or equal to 10 degrees (0.18 rad). MECHANICAL DRAFT SYSTEM. A venting system designed to remove flue or vent gases by mechanical means, that consists of an Induced draft portion under nonpositive static pressure or a forced draft portion under positive static pressure. Forced -draft venting system. A portion of a venting sys- tem using a fan or other mechanical means to cause the removal of flue or vent gases under positive static pres- sure. Induced draft venting system. A portion of a venting system using a fan or other mechanical means to cause the i. removal of flue or vent gases under nonpositive static vent pressure. Power venting system. A portion of a venting system using a fan or other mechanical means to cause the removal of flue or vent gases under positive static vent pressure. MECHANICAL, EXHAUST SYSTEM. A system for removing air from a room or space by mechanical. means. MECHANICAL JOINT. 1. A connection between pipes, fittings or pipes and fit- tings that is not welded, brazed, caulked, soldered, sol- vent cemented or heat -fused. 2. A general form of gas- or liquid -tight connections obtained by the joining of parts through a positive hold- ing mechanical construction such as; but not limited to, flanged, screwed, clamped or flared connections. MECHANICAL SYSTEIVI. A system specifically addressed .d and regulated in this code and composed of components, devices, a_ppllances_and egument. _. [RB] METAL ROOF PANEL. An interlocking metal sheet having an installed weather exposure of not less than 3 square feet (0.26 nil per sheet. [RB] METAL ROOF SHINGLE. An interlocking metal sheet having an installed weather exposure less than 3 square feet (0.28 mper sheet. [RB] MEZZANINE, An intermediate level or levels between the floor and ceiling of any story. [RB] MODIFIED BITUMEN ROOF COVERING. One or more layers of polymer modified asphalt sheets. The sheet materials shall be fully adhered or mechanically attached to the substrate or held in place with an approved ballast layer. [RB] MULTIPLE STATION SMOKE ALARM. Two or more single station alarm devices that are capable of inter- connection such that actuation of one causes all integral or separate audible alarms to operate. [RBI NAILABLE SUBSTRATE. A product or material such as framing, sheathing or furring, composed of wood or wood -based materials, or other materials and fasteners pro- viding equivalent fastener withdrawal resistance. NATURAL DRAFT SYSTEM. A venting system designed to remove flue or vent gases under nonpositive static vent pressure entirely by natural draft. [RBJ NATURALLY DURABLE WOOD. The heartwood of the following species with the exception that an occasional piece with corner sapwood is permitted if 90 percent or more of the width of each side on which it occurs is heartwood. Decay resistant. Redwood. cedar, black locust and black walnut. Termite resistant. Alaska yellow cedar, redwood, Eastern red cedar and Western red cedar including all sapwood of Western red cedar. [RBI NONCOMBUSTIBLE MATERIAL. Materials that pass the test procedure for defining noncombustibility of ele- mentary materials set forth in ASTM E 136. [RB] NOSING. The leading edge of treads of stairs and of landings at the top of stairway flights. [RB] OCCUPIED SPACE. The total area of all buildings or structures on any lot or parcel of ground projected on a hori- zontal plane, excluding permitted projections as allowed by this code. OFFSET. A combination of fittings that crakes two changes In direction, bringing one section of the pipe out of line and into a line parallel with the other section. ON-SITE NONPOTABLE WATER REUSE SYSTEMS. Water systems for the collection, treatment, storage, distribu- tion, and reuse of nonpotable water generated on site, includ- 20 2015 INTERNATIONAL RESIDENTIAL CODE* C.opyriEhtq=aIa ICC_ ALL RIG1iT5 RESERVED. Accreacd hY MisBad Flory on Mar 4,20145 a:3954 PM pursuant 10 11xnse Agreemrnt with [CC No further rejaaductlunm diatrihud" aulhariml. ANY UNAUI-HOR120) REPRODUMON OR DISTRIBUMON IS A V101.ATION OF THE FWERALCOPYRIGHT ACT ANDTHE 110ENSE AC.RIT,W-KT,ANOSIIBJRC TOCN1LANDC-RUMINALPENALTIESTHF.REUNDF"i.