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Historic Preservation - Technical Procedures

Spectitle:

Replacement Of Damaged Wood Doors

Procedure code:

0821003R

Source:

National Capitol Region Specifications - Fed Trade Commiss

Division:

Doors And Windows

Section:

Wood Doors

Last Modified:

04/11/2014

Details:

Replacement Of Damaged Wood Doors



REPLACEMENT OF DAMAGED WOOD DOORS


PART 1---GENERAL

1.01 SUMMARY

    A.   This procedure includes guidance on the removal and
         replacement of deteriorated or damaged wood doors with
         new to match original historic doors.  It also includes
         the removal, storage and reinstallation of original door
         hardware.

    B.   See 01100-07-S for general project guidelines to be
         reviewed along with this procedure. These guidelines
         cover the following sections:

         1.   Safety Precautions

         2.   Historic Structures Precaution= s

         3.   Submittals

         4.   Quality Assurance

         5.   Delivery, Storage and Handling=

         6.   Project/Site Conditions

         7.   Sequencing and Scheduling

         8.   General Protection (Surface and Surrounding)

         These guidelines should be reviewed prior to performing
         this procedure and should be followed, when applicable,
         along with recommendations from the Regional Historic
         Preservation Officer (RHPO).

1.02 REFERENCES

            A.  Architectural Woodwork Institute (AWI)         www.awinet.org

1.03 System Description

            A.

                        1. Architectural Woodwork Standards http://www.awinet.org/aws/index.cfm
    
         2.   Take all required field measurements and verify
              installation conditions for work.

1.04 SUBMITTALS

    A.   Shop Drawings:

         1.   Indicate general construction, jointing methods,
              hardware locations and cut-outs for glazing and
              vents.

         2.   Indicate opening identifying symbol (room number),
              sizes, door type and grade, and show elevation,
              swing, light and grill cut-out sizes, locations and
              undercuts.

    B.   Samples:

         1.   Submit sectional sample of door construction
              indicating grade and species.

         2.   Submit sample of stain and finish for approval of
              Contracting Officer.

1.05 PROJECT/SITE CONDITIONS:

    A.   Field Measurements: Take all required field measur= ements
         and verify installation conditions for work of this
         section.


PART 2---PRODUCTS

2.01 MATERIALS

    A.   Wood doors, premium grade, to match existing species face
         and edge grain.

2.02 FABRICATION

    A.   Moisture content shall be 12% maximum at time of
         fabrication for all wood material.

    B.   Fabricate doors in accordance with requirements of AWI
         Quality Standards to match existing in construction and
         quality.

    C.   Allowable Tolerances for Fabrications of Doors:

         1.   Size: Plus or minus 1/16" overall dimensions.

         2.   Maximum warp: 1/4"

         3.   Squareness: Length of diagonal measured on face of
              door from upper right corner to lower left corner
              between length of diagonal measured on upper left
              corner to lower right corner - maximum difference
              of 1/4".

         4.   Factory finish thickness: Minimum 1 mil., cured.

         5.   Show-through (photographing): 1/100" deviation from
              true plane in any 3" span on door face.

    D.   Provide doors with minimum 1/2" thick edge strips (Door Stops); often found at 1 inch to 1 1/2 inch wide and 3/8 inch thick.

    E.   Make cut-outs and provide stops for glass in original
         locations using profiles matching the original.

    F.   Bevel strike edge of single acting doors 1/8" (3 mm) in
         2" (51 mm).

    G.   Strike doors to receive hardware.  Hardware locations to
         match its location on original doors.


PART 3---EXECUTION

3.01 PREPARATION

    A.   Protection: Remove all non-original door louvers, panels
         and transom panels taking care not to damage the
         remainder of the door, frame or paneling.

    B.   Replace the non-original elements with new wood which
         matches the species of the original wood and which
         matches the detailing of the original millwork.

3.02 ERECTION, INSTALLATION, APPLICATION

    A.   Carefully remove existing damaged and altered doors to be
         replaced and label with location.

    B.   Remove all hardware from doors and store. New non-
         compatible hardware should be discarded and replaced with
         hardware matching the original.

    C.   Remove all glazing and vents and restore to original
         condition.

    D.   Fitting and Machining:

         1.   Fit doors for width by planing; for height by
              sawing.

              a.   3/8 inch maximum from bottom.

              b.   1/8 inch maximum from top.

              c.   Bevel lock and hinge edges, 1/8" to 2".

         2.   Machine doors for Hardware.

         3.   Cut doors for glazing and vents. Cuts in
              replacement doors shall match size and location of
              openings cut in original doors.

         4.   Refinish all job site cut surfaces before final
              hanging of doors.  See 08210-07-R for guidance on
              refinishing wood doors.


   
E.   Install doors in accordance with requirements of AWI
         Standard and as indicated.

         1.   Clearances:

              a.   Allow maximum of 1/8" at jamb and head for fit
                   doors.

              b.   Allow maximum of 3/16" over threshold or
                   saddle.

              c.   Allow maximum of 3/8" over decorative floor
                   coverings.

         2.   Install, using original hardware in original
              locations. Replace any damaged, incompatible, or
              missing hardware with that which is as close as
              possible to original.

         3.   Install original glazing and vents in original
              locations.

3.03 ADJUSTING/CLEANING

    A.   Replace or rehang doors which are hinge bound and do not
         swing or operate freely.

    B.   Refinish or replace job-finished doors damaged during
         installation.

                         END OF SECTION
 


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