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TABLE 93A, MATERIALS FOR PLUMBING INSTALLATIONS 100 ASA ASTM FS Others Remarks 1V ON-1VIETALLIC PIPE Asbestos-Cement Sewer Pipe ~ J 4-, 5-, and 6- SS-P-351 ~ inch sizes only Bituminized-Fiber Pipe CS116 Clay Sewer Pipe (Standard Strength) C13 SS-P-361a Clay Sewer Pipe (Extra Strength) C200 Concrete Sewer Pipe C14 SS-P-371 non-reinf. Type I FERROUS PIPE AND FITTINGS Cast-Iron Soil Pipe and Fittings A40.1 A74 ' WW-P-401 Cast-Iron Threaded Pipe A40.5 WW-P-356 Cast-Iron Water Pipe A44 WW-P-421 AWWA 0100 Cast-Iron Screwed Drainage Fittings B16.12 WW-P-491a Cast-Iron Screwed Fittings B16.4 WW-P-501b Wrought-Iron Pipe A72 WW-P-441a • `• Steel Pipe A120 WW-P-406 Types I & II Operi-Hearth Iron Pipe A253 WW-P-406 Type III Malleable Iron B16.3 Screwed Fittings (1501b) WW-P-521b NON-FERROUS PIPE AND FITTINGS Mercurous nitrate Brass Tubing B135 WW-T-791 test required ~ . Brass Pipe B43 WW-P-351 Brass or Bronze Screwed Fittings B16.15 WW-P-460 Seamless Copper Tubing B75 WW-T-797 Copper Water Tube B88 Cast Brass Solder-joint Fittings B16.18 Brass Fittings for Flared Copper Tubes A40.2 Lead Pipes and Traps WW-P-325 MISCELLANEOUS Air Gap Standards A40.4 Backflow Preventors A40.6 Calking Lead B29 QQ-L-156 Sheet Lead QQ-L-201 (Grade A) Min, wt. 4 psf B36 Sheet Brass ~ B121 QQ-B-611a , Sheet Copper B152 QQ-C-501a ' Leaded Brass and Strip B152 QQ-C-501a Galvanized Iron or Steel JA163 QQ-I-716 Sheets 1A93 , Galvanized Pipe and Fittings A120 WW-P-406, Sec. D-6 Cement Lining A21.4 WW-P-406, Sec. D-7 Coal Tar Enamel Protective Coating AWWA 0204 Soft Solder t Fi tti C S d B32 QQ-S-571b HH C ~ • x ure e ng ompoun - -536 25 Defmitions and Abbreviations § 1517,24 tures not greater than 550 F at the outlet of the draft hood. Type C Gas Vent. Gas vent piping of non- combustible, corrosion-resistant material, which meets the requirements specified in Chapter 59. 1517.22 Letter "U." Unit, fixture. See Fixture unit. Unit heater. A heating appliance, other than a floor-mounted space heater, which con- sists of a heat emitting element and fan contained within a common enclosure, de- signed and installed for delivery of warm air for space heating directly into the space. See also Ceiling-type unit heater; Direct-fired unit heater. Utilities. See Public utility. 1517.23 Letter "V." Vacuum breaker. See Backflow preventer, Vent, gas. See Gas Vent. Vent stack. A vertical vent pipe installed primarily for the purpose of providing cir- culation of air to or from any part of the drainage system; sometimes called a main vent. Vent system. A pipe or pipes installed to provide a flow of air to or from a drainage system or to provide a circulation of air within such system to protect trap seals from siphonage and back pressure. Vertical pipe. Any pipe or fitting which is installed in a vertical position or which makes an angle of not more than 45° with the vertical. 1517.24 Letter "~'V." Wall: Bearing-. A wall which supports any vertical load in addition to its own weight. C¢vity -. A wall built of masonry units or plain concrete or a combination of these materials, so arranged as to provide an air space within the wall, and in which the facing and backing of the wall are tied together with metal ties. Common -. A wall owned by one person but jointly used by two persons. Curtain -. An exterior nonbearing wall between columns or piers but not sup- ported at each story. Enclosure -. An exterior nonbearing wall in skeleton construction anchored to col- umns, piers, or floors, but not necessarily built between columns or'piers. Faced -. A masonry wall faced on one or both sides usually with a material different from the body of the wall, in which the facing and the body are bonded so that they will act as a unit under loads. Fire -. A wall which subdivides a build- ' ing to restrict the spread of fire and starts at the foundation and extends continuously through all stories to and above the roof. Fire-division -. A wall which subdivides a building to restrict the spread of fire but not necessarily continuing through all stories nor extending through the roof. Foundation-. Any bearing wall below the first-floor construction. Hollow - o f masonry. A wall built of masonry units so arranged as to provide an air space within the wall, and in which the facing and backing of the wall are tied together with metal ties. Nonbearing -. A wall which does not support any vertical load other than its own weight. Panel -, A nonbearing wall in skeleton construction built between columns or piers and wholly supported at each story. Parapet -. That part of an exterior, party, or fire wall extending above the roof line. Party-. A wall used jointly by two per- sons under an agreement or being jointly owned and erected at or upon a line sepa- rating two parcels of land that are held under different ownership, Compare: Wall, common. ' Retaining-, Any wall subjected to lateral pressure other than wind pressure, usually supporting a bank of earth. Veneered-. A wall with masonry or other facing, which is attached to but not bonded so as to form an integral part of the wall for purposes of load bearing and sta- bility. Compare: Wall: faced. Wallboard. Wood pulp, vegetable fiber, gypsum, or similar materials made into large rigid sheets that may be fastened to the frame of a building to provide sheath- ing or asurface finish. Warm air heating panel. A plenum or cham- ber through which heated air is circulated and of which one or more surfaces are exposed to the space or spaces to be heated. Warm air heating system. A heating system which utilizes warm air as a heat trans- mitting and distributive medium and shall be deemed to include all appliances and equipment used for heating and condition- ing the air and for transmitting and dis- tributing it, including the furnace, heat ex- changer, fan, filters, humidifiers, controls, supply and return ducts and fittings, regis-