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Section 08710

    • C.

      Alliocksets and cylinders shall be keyed to the instructions as provided by the Architect/Owner.

    • D.

      Key Required: as directed by Owner or Architect Grand master, master and change keys shall be stamped with their respective set symbol.

      • 2.05

        CYLINDRICAL TYPE LOCKSETS

    • A.

      Alliocksets and latch sets shall have steel cylindrical cases with interior parts made of steel or brass. Latch retractors shall be made of forged steel materials. NO STAMPED STEEL LATCH RETRACTORS WILL BE ALLOWED AT HEAVY DUTY LOCKS. No plastic, die cast or aluminum mechanisms will be allowed.

    • B.

      All steel parts shall be bronze plated or coated with zinc-dichromate to resist rusting and corrosion.

    • C.

      Locksets and cylinders shall have six pins.

    • D.

      Furnish wrought boxes will all lock strikes. Strikes lips shall not project more than 118: beyond the frame at single doors or face of the inactive leaf at pairs ofdoors.

      • 2.06

        DEADLOCKS

    • A.

      Deadlocks shall be cylindrical type with interior parts made of steel or bronze. All steel parts shall be bronze-plated or coated with zinc-dichromate to resist rusting and corrosion.

      • 2.07

        CLOSER AND DOOR CONTROL DEVICES

  • A.

    Surface type door closers shall be fully hydraulic, full rack and pinion action with one piece forged steel piston 1-112" minimum diameter, and have a cast iron or cast aluminum case with a 10-year warranty. Hydraulic fluid shall be of a type requiring no seasonal adjustments for temperatures from 120 degrees F to -30 degrees F. Pinion shaft shall be a minimum of 5/8" diameter. Barrier-free where designated. All door closers shall have hold-opens. Closers at fire rated doors shall be fitted with fusible links.

  • B.

    Separate adjusting valves shall be provided for closing speed, latching speed and backcheck.

  • C.

    Adjusting valves shall be made of metal material with v-slot regulating valve, concealed and adjustable only with special wrench and shall be seated with "0" type rings.

  • D.

    All outswinging doors to be supplied with HEAVY DUTY parallel arm Closers must be certified by B.H.M.A. and ANSI as Grade 1 closers.

Section 08710 4

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