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2. Concealed Fully Recessed: Central Royal Flush GB4, • <br /> white coverplate. <br /> 3. Semi-Recessed: Central GB. <br /> B. Pendent heads in ceilings and horizontal sidewall heads shall have <br /> one-piece, nonadjustable escutcheons. Two-piece or slip <br /> escutcheons shall not be accepted. This does not apply to semi- <br /> recessed heads. <br /> C. Provide one (1) sprinkler cabinet with 12 extra sprinkler heads and <br /> sprinkler wrench for emergency use, or in Building Engineer's <br /> office. <br /> PART 3 - EXECUTION <br /> 3.1 COORDINATION <br /> A. Coordinate installation with other Divisions to insure there are�no <br /> conflicts. Fire protection piping shall not take priority in routing <br /> over HVAC ductwork. <br /> 3.2 PIPE INSTALLATION • <br /> A. Attached hangers to structural steel work by clamping or other <br /> approved methods, except that structural work shall not be drill.ed <br /> and punched. Wherever necessary, furnish, install, and securely <br />' anchor to or between building members suitable angle iron or o�ther <br />' steel members to support sprinkler work. <br /> B. Provide support for grooved piping in conformance with <br /> requirements of MSS-SP-69, "Pipe Hangers and Supports - <br /> Selection and Application". In addition to these requirements, <br /> leave no horizontal pipe unsupported between any two couplin�s <br /> nor shall any pipe be left unsupported whenever a change in � <br /> direction of flow takes place. Provide supports meeting the <br /> requirements stated above,but ensure that the distance between. <br /> supports does not exceed the following: <br /> PIPE SIZE MAXIMUM SPAN <br /> BETWEEN HANGERS <br /> 1 Inch 8 Feet � • <br /> 1-1/4 through 2 Inch 10 Fee t , <br /> ICT 99184 <br /> 15300 -4 <br />