The external level access doors indicated on the drawings will be manufactured by Stertil-Stokvis reference Thermadoor model 545 and are electrically operated (with manual over ride facility), vertical lift doors with spring support by door supplier at low level for ease of maintenance and K.A. continuous thermal break is to be provided between inner and outer skins.  Size 4000mm wide x 4800mm high (Note structural steel size 4140mm wide x 4870mm high), with neutral acrylic double glazed vision panels as indicated on the drawings.  Doors complete with sliding bolts electrically interlocked and anti-fall devices.

The doors will be of composite construction comprising galvanised steel inner and outer faces with door panels filled with polyurethane foam insulation to achieve an optimum “U” value of 0.4 w/m2k.  EPDM seals to be fitted to the top, bottom and sides of the door to prevent rain penetration and minimise draughts.  To BS EN 12425 and compliant with building regulations April 2002-04-30.  Compliance with BS EN 12453: 2001 (requirement for safety in use of power) and BS EN 12604: 2000 (mechanical aspects).  Finger trap protection to panel joints inside and out.  The surface finish to the external face of the doors will be  polyester colour RAL  9006 or to our standard range of colours with internal face RAL 9002.

3.07    DOCK ACCESS DOORS AND EQUIPMENT

Where shown on the drawings, doors as manufactured by Stertil-Stokvis reference Thermadoor model 545 or and are electrically operated (with manual over ride facility), vertical lift doors with spring support by door supplier at low level for ease of maintenance and K.A. continuous thermal break is to be provided between inner and outer skins.  Size 2860mm wide x 3000mm high (Note structural steel size 3000mm wide x 3070mm high), with neutral acrylic double glazed vision panels as indicated on the drawings.  Doors complete with sliding bolts electrically interlocked and anti-fall devices.

The doors will be of composite construction comprising galvanised steel inner and outer faces with door panels filled with polyurethane foam insulation to achieve an optimum “U” value of 0.4 w/m2k.  EPDM seals to be fitted to the top, bottom and sides of the door to prevent rain penetration and minimise draughts.  To BS EN 12425 and compliant with building regulations April 2002-04-30.  Compliance with BS EN 12453: 2001 (requirement for safety in use of power) and BS EN 12604: 2000 (mechanical aspects).  Finger trap protection to panel joints inside and out.  The surface finish to the external face of the doors will be polyester colour RAL  9006 or to our standard range of colours with internal face RAL 9002.

To each dock access door location will be fitted a Stertil-Stokvis reference HS 2520 (2500mm long x 2000mm wide x 650mm deep) fully hydraulic dock leveller with 500mm long self-cleaning swing lip for heavy duty use.   Rated capacity 6000kg single axle loading (100% to be calculated on front axle, eg 3000kg on each of the front wheels acting over two 150mm x 150mm contact areas at 1m lateral centre distance) with top plate, lip and ‘reinforcement cross beams manufactured from FE- 510D high tensile steel.  Automatically operated TWIN cross traffic safety support legs supporting the unit without reliance on lip saddles/cradles. Operating range of 300mm above dock and 300mm below dock.  Panic stop facility to prevent freefall in the event of vehicle pull away. Emergency stop. Full range safety toe guards, all fully compliant to EC directive EN1398 and adjustable integral pit frame for suspended type dock levellers in conjunction with pre-cast tail lift arrangement.

Finish RAL 9011 Black. Perimeter brush seals to reduce draughts and interlock safety device to prevent door from operation when dock leveller is in the raised position.

To each dock access door location will be fitted a Stertil-Stokvis reference WL 574 heavy duty collapsible dock shelter 600mm projection from building line with 3mm thick (3500gm/m2) PVC front flaps and top section of shelter designed to assist rain water drainage.  External Dormer type 240v DC 140mm dia red and green LED traffic light with shroud and reflectors behind LEDs to give wider view angle.  To be fitted between each dock shelter on reversing drivers side compliant to BS 873 standard with mimic/repeater light fitted internally.  For illumination to inside of trailers Internal anglepoise dock light reference K 1070 with transformer to reduce from 240v supply, bulb to be halogen long life low voltage 70w/12v.

Below each dock access fit 2-energy absorbing Polyethylene low friction PE 450 dock bumpers 150mm projection incorporating rubber shock absorbers to reduce collision damage.  The special front face to be manufactured from ultra high molecular polyethylene, which can be simply rotated on site and interchanged/reversed to give four times the life of each bumper.  All fixing to be located in the rear plate to ensure a flat front surface is free of fixing holes and is not vulnerable to damage from impacting vehicles.  A special bumper plate will be provided in the dock leveller package, angled over the front retaining wall and cast into the finished dock floor surface for added strength to the bumpers .

Below each dock access cast into external floor 1-pair of  2000mm long x 168mm dia high profile galvanised tubular steel wheel guides with FLARED entrance for ease of parking.