Doors and Access Panels

As per current NATSPEC except as follows: 

2.1 Frames
 

GUIDE NOTE: Add the following information to the  clause “Steel Frames.” in NATSPEC Building Template.

Steel frames
Sections: Rebates: Incorporate rebates or double rebates where required for side hung doors or glazed transoms.

Minimum sheet steel thickness:

• Generally 1.4mm
• Fire rated door sets: 1.5mm
• Category "E" and "D" security doors: 2.5mm

Assembly methods: Do not use mechanical assembly.

Hinges: Recess frames for screw fixing hinges to 150 x 45 x 6 mm thick backing plates fully welded to frames at hinge points.  Drill and tap backing plates to suit machine thread screws for hinges.

Hinge reinforcement:  For door leaf widths over 1000 mm wide, reinforce the top hinge backing plate with 250 x 40 x 5 mm M.S. plate and spacers all fully welded to backing  plate and frame.

Weather moulds:  Form from 1.4 mm steel sheet as detailed for external doors, fix to frames on site to suit reveal openings.

2.2 Doors
 

GUIDE NOTE:

Delete"flush doors" nominated in NATSPEC Building Template/ Worksection and include the following

Flush door – laminated veneered lumber
Type: Flush laminated veneer internal/external door. 40mm thick (nominal) solid flush door comprising of laminated veneer timber strips to required width.

• Veneer layers: Radiata Pine species, nominal thickness 4mm
• Moisture content (nominal): 4 to12%
• Bonding: Glue veneers using MUF or UF in the lay-up with 2 veneers used as cross band
  • Bond: Type “A” or “B” to AS/NZS 2271
• Strips
  • Hardwood edge strip glued with XPVA to give required panel width
  • Butt jointed or finger jointed for the required length then edge glued as above
• Finishing: Sanded to a 120 grit finish undertaken by the manufacturer prior to delivery

Flush door – medium density fibreboard

Type: Laminated medium density fibreboard (MDF) internal door. 40mm thick (nominal) solid flush door comprising a single 32mm core sheet of MDF with 3mm thick MDF sheet laminated to both faces of the core.  Provide 0.5mm paint grade veneer to both faces of the door. 

Requirement: Do not use for external locations or internal wet locations.

• Glue line: “B” Bond
• Edge Strip: Hardwood edge-glued to give required panel width
• Marking: In addition to the requirements of AS 2688 - 1.10 the construction of the flush door shall be marked (LA).  (See AS 2688 1.10 (d).

Flush door – blockboard core

Type: Flush blockboard core internal/external door. Core plate of timber strips laid edge to edge, fully bonded to each other and to facings each side no less than two sheets of timber veneer.

Blockboard core:  To AS 2688 – Section 5

Sanding: Cross band veneer pressed to core plate and flush sanded to minimise core plate show through before pressing face veneer.

Face material:

• Internal locations: Paint quality 3mm plywood
• External locations: Paint quality external grade 4mm plywood with A bond gluelne

Face veneer: Close grain face veneers must be used to enable a high quality paint finish to be achieved.

Construction

Door thickness:

• General: 40mm.
• External doors and doors over 900mm wide: 40mm.

2.3 Doorsets
 

Aluminium doorsets
General

• Construction:  Construction and finish generally as for windows and as detailed.

Finish: Refer to SG / WINDOWS AND GLAZED DOORS

2.4 Ancillary Material 

Seals generally

• Provide purpose made proprietary seals to meet requirements for weather, draught, smoke and acoustic sealing.  Seals must not hinder the normal operation of the door.  Door closers must be able to close the door at normal latching speeds and for the doors to latch effectively without being obstructed by the seal.

Acoustic seals
Proprietary acoustic seals to doors and door surrounds.

• Jambs and heads: Adjustable door stop seal capable of producing a continuous seal around the door frame.
  • Tested to AS 1191, AS 1045 and AS/NZS ISO 717.1.
  • Seal material: Closed cell EPDM
  • Frame/carrier: Clear anodised aluminium
• Bottom of door: Heavy duty automatic door bottom seal, spring loaded to lift clear as the door leaf is opened.
  • Tested to AS1191, AS 1045, AS/NZS ISO 717.1.
  • Seal material: EPDM sponge
  • Frame/carrier: Clear anodised aluminium
• Overlapping door stiles: Astragal seals (pair) designed for plain or rebated meeting stiles of timber doors.
  • Tested to AS1191, AS 1045, AS/NZS ISO 717.1..
  • Seal material: Flexible PVC
  • Frame/carrier: Clear anodised aluminium

Refer to the SG / DOOR HARDWARE worksection.

Hinged shutters (doorsets) in two leaves - Canteen
Fix a proprietary heavy duty clear anodised aluminium “T” section for the full height to one leaf.  The metal “T” strip must be of sufficient strength to provide an effective deterrent against forced leverage.  Fixed to stile with compatible countersunk screws through pre drilled fixing holes.

• Dimensions (minimum): 40 x 25 x 3mm thick

2.5 Glazing

GUIDE NOTE: Insert Job Specific Locations. Refer to the Educational Facilities Standards and Guidelines. 

Location: 

Viewing panel: 600 x 100mm.

Refer to SG / GLAZING

2.6 Security (Grille) Gate - Heavy Duty
 

Location
>

Fabrication
Mild steel frame with vertical rails at even spacing not exceeding 100 mm drilled for mid stiffening rail and pivots all welded together and hot dip galvanised after fabrication as shown on the drawings.

Pivots:  Top and bottom as detailed on the drawings, with grease nipples.

Frame:   65 mm x 35 mm x 3.0mm R.H.S.

Vertical Rails:  25 mm x 25 mm x 3.0mm S.H.S.

Mid Rail:  12 mm diam.

Shoot Bolts:  20 mm hardened surface steel.

Pipe Ferrules
Location:  Set in ground and ceiling to locate gate security in the open and closed position.

Size:  25 mm internal diameter x 30 mm long.

GUIDE NOTE: Alternative head fixing with 10mm masonry anchors by bolting 150mm x 150 x 10mm steel angle cleat to brickwork drilling 25mm diameter holes for top pivot and shoot bolt. 

Fixing
Ensure no gaps greater than 125 mm and smaller than 25 mm occur between gate and adjoining surfaces.

Lock Box
Stainless steel welded to gate to permit locking in both the open and closed position.

Master Keying
As specified in Door hardware.

Manufacturer/Installer

The installation must be carried out by a company and installer holding relevant licences issued by the Security Licensing & Enforcement Directorate (SLED) of the NSW Police Force.

Certification
Hand to the Principal’s Authorised Person / Principal’s Representative a certification that the security gate/s have been manufactured and installed by holders of current appropriate licenses in accordance with the latest Security Industry Regulations and Security Industry Acts.

2.7 Mesh Gate - Light Duty
 

Fabrication
Mild steel frame with steel mesh, mid stiffening rail and pivots, all welded together and hot dip galvanised after fabrication as shown on the Drawings.  All rough edges to be removed to give the gate a smooth finish.

Frame
Rails:  35 x 35 x 3.0mm R.H.S.

Stiles:  65 x 35 x 3.0mm R.H.S.

Mesh:  5.6mm diam. x 100mm(vertical) x 100mm(horizontal)  max. spacings.

Pivots:  Top and bottom as detailed on the drawings, with gunmetal bearing washers.  Apply water resistant bearing grease to top and bottom pivot hinge assemblies

Pad Bolts
Heavy duty pad bolt as shown on drawings.

Installation:  Pad bolt to be installed to permit locking in both the open and closed position.

Fixing:  Ensure no gaps greater than 75mm and smaller than 25mm occur between gate and adjoining surfaces.

Bolt Keeper:  100 x 100 x 10mm bolt keeper for door to be locked in closed position.

10 mm angle bracket for door to be locked in open position.

Location:  Securely bolted to wall to locate gate security in the open and closed position.

Master Keying
As specified in Door Hardware.

2.8 Air Relief Grilles

Assembly
Fit extruded aluminium telescopic louvres with chevron grille to frame, screw fix all and colour anodize.

Frame Size:  32mm aluminium flange.

Free Area:  70%

2.9 Security Air Relief Grille

Location
>

Door grilles to external doors and in high security locations

Description
32 x 6mm mild steel louvres all welded into a mild steel flanged frame with mesh backing.

Protective finish: Red oxide primer and paint finish to match door.

Fixing: One way screw fixing or countersunk coach screw

2.10 Insect Screen Doors, Including Canteen

Metal Framed Screens
Aluminium extruded section with channels for mesh fixing similar or equal and approved to Crimsafe or Amplimesh Supascreen

Mesh Finish: Black

Frame finish: To match windows unless otherwise specified.