Specifications - Section 08300/08 34 49
Lead Lined Steel Doors & Frames
Part 1 - General |
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1 . 1 |
Work included Supply only of: |
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. 1 |
Pressed steel frames Lead lined, fire labelled or non-labelled. |
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Hollow metal doors Lead lined, fire labelled or non-labelled.
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1 . 2 |
Related Work |
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Building frames into walls. |
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Installation of doors and hardware. |
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Drilling and tapping of doors and frames for surface mounted hardware. |
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Caulking of joints between frames and other building components. |
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Finish hardware. |
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Finish painting. |
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Fasteners for frame product in previously placed concrete, masonry or structural steel. |
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Glass and glazing.
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1 . 3 |
Requirements of Regulatory Agencies |
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. 1 |
Install fire labelled steel door and frame products in accordance with NFPA-80, current edition, except where specified otherwise.
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1 . 4 |
Warranty |
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. 1 |
Material and workmanship shall be warranted by the manufacturer for a period of five (5) years from the date of supply. Warranty shall apply to replacement or retrofit of product only.
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1 . 5 |
Approved Manufacturers |
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. 1 |
Ambico Limited
1120 Cummings Avenue
Ottawa, Ontario, Canada,
K1J 7R8
Phone (613) 746-4663
Fax (613) 746-4721
Toll Free Phone (North America): 888 423-2224
Toll Free Fax (North America): 800 465-8561
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Part 2 - Products |
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2 . 1 |
Materials |
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Steel: Commercial grade, zinc coated steel to ASTM A653. |
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Door core material to be the following:
A : Honeycomb:Structural small cell (1" max) kraft paper "honeycomb".
B : Lead: Rolled pure sheet lead meeting ASTM B749 current edition. Weight and thickness of lead as required to shield against radiation as determined by specifier.
C : Balance of core materials used in the door core shall be in accordance with manufacturer's proprietary design. |
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Primers: Rust inhibitive touch-up only.
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2 . 2 |
Fabrication |
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General:
A : Doors and frames shall be swing type with provision for glass where required.
B : Frames and doors shall be blanked, reinforced, drilled and tapped for mortised, templated hardware.
C : Frames and doors shall be reinforced, where required for surface mounted hardware. Drilling and tapping shall be by others, on site, at time of installation.
D : Provide factory-applied, touch-up primer at areas where zinc coating has been removed during fabrication.
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2 . 3 |
Fabrication - Frames, Welded Type |
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Frame product shall be accurately mitred and securely welded on the inside of the profile. |
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Welded joints shall be ground to a smooth, uniform finish. |
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Floor anchors shall be securely attached to the inside of each jamb profile. |
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Weld in two (2) temporary jamb spreaders per frame to maintain proper alignment during shipment. |
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Glazing stops shall be accurately fitted, butted at corners and fastened to frame sections with counter-sunk, oval head, sheet metal screws. |
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Lead shall be securely attached to inside of frame profile from jamb return to jamb stop on the door side of frame only.
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2 . 4 |
Fabrication - Doors |
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General
A : Doors shall be swing type, flush, with provision for glass openings as indicated on schedules.
B : Longitudinal edges shall be (mechanically inter-locked) (seamless). Seams shall be (visible) (welded, filled and ground smooth).
C : Top and bottom of doors shall be provided with inverted, recessed, spot welded channels. Exterior doors shall be provided with flush steel top caps.
D : Each face sheet shall be formed from (16)(18) gauge sheet with honeycomb core laminated to door core.
E : Lead shall be securely attached to the inside of the door face.
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Part 3 - Execution |
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3 . 1 |
Site Storage and Protection of Materials |
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All materials shall be thoroughly inspected upon receipt and all discrepancies, deficiencies and/or damages shall be immediately reported in writing to the supplier. |
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All materials shall be properly stored on planks or dunnage, out of water and covered to protect them from damage from any cause.
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3 . 2 |
Installation |
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Set frames plumb, square, level and at correct elevation. |
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Fire labelled frames shall be installed in accordance with NFPA-80, most current edition. |
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Secure anchorages and connections to adjacent construction. |
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Install doors and hardware in accordance with hardware templates and manufacturer's instructions. |
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Install glazing and door silencers in accordance with standard industry procedures.
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