Combination: roof hatch type RHT and ladder type EL/OL

Specification

The combination is TÜV certified according to EN 131, with label ''Baumuster geprüft''

Roof hatch type RHT, standard
Standard size / Weight:
RHT7090: 700 x 900 mm / 33 kg
RHT9090: 900 x 900 mm / 39 kg
RHT7014: 700 x 1400 mm / 64 kg
RHT1212: 1200 x 1200 mm / 72 kg
RHT1015: 1000 x 1500 mm / 78 kg
RHT1020: 1000 x 2000 mm / 86 kg
RHT9024: 900 x 2400 mm / 94 kg
(Longest side is hinge side)
Gorter® - completely assembled, surface mounted

Thermal separated and insulated aluminium construction
Counterbalancing system for assisted opening and controlled closing
Double sealing for weather and water tightness
Fully opened cover engages automatically, with release button
Diagonal handrail to safely enter and leave roof hatch
Cylinder lock (31 x 60 mm) with 3 keys, in- and outside operation, from opening length 1400 mm with 3 point lock

Performance:

Insulation value (EN-ISO10077-1/2): 3,2 (m².K)W; U-value; 0,31 W/m2.K
Sound reduction (EN-ISO140-3): 27 dB
Wind and water tightness (EN1027/EN1873): 650 Pa
Construction strength (EN1026/EN1027): ± 3000 Pa
Air tightness (EN 1026): 0,5 m³/hm1
Snow load EN 1991-1/5): 200 kg/m²

Standard powder coating:

Aluminium: RAL7047 (outside) and RAL9010 (inside)

Safety Ladder
Type EL- single and OL - double or triple, depending on height.
Standard features:
Ladder supplied in anodized aluminium. Two hooks on top to be hooked over a fixed step to safely enter and leave roof hatch. Hooks can be locked (padlock by others) to prevent ladder from misuse.
Ladder can be stored in the 2 wall suspension brackets, 1 with padlock hasps (padlock by others).
Step to be fixed (by others) into roof opening near access side
Height: ........ mm
to be specified from floor to top of roof (without insulation and covering), max 7200 mm
Width:
depending on length and type from 360 - 490 mm
Distance between rungs:
250 mm
Material:
Aluminium
Included in supply:

2 Fixed hooks, one provided for padlock
1 Step with brackets
2 Suspension brackets, 1 provided for padlock

Options

Gorter® - Electrical Operation of Roof Hatches and Floor Doors

electrical_operation Depending on door type, cover weight and other requirements we can install one or more rack-and-pinion drives. These drives are available in 24 Vdc or 230 Vac
Operation and control 230Vac
This system is controlled with a surface mounted or built-in switch. Operation of two drives through one switch is possible.
Operation and control 24Vdc
Operation of one or more drives is controlled by a control box with rectifier that is connected to the electricity network.
Features

communication with central alarm system
emergency switch
certified for smoke vent system / fire resisting system
programmable
operation control of other objects
control by automatic detectors - smoke, rain, wind, fire etc.
automatic sequence control of two covers that are overlapping
automatic stop in case of unequal load or overload
etc.

Depending on the features we will recommend a suitable control box type.
Emergency hatches and doors:
It is of life importance that an emergency door opens after a break down of the electrical system. For those reasons a control box can be provided with a built-in emergency power pack.
If the emergency situation is very critical it advisable to apply doors that can be manually operated after a total break down of electrical network system and the emergency power pack.
Electrical installation:
Roof Hatches and Floor Doors will be supplied with drives installed together with required options as control box, switches, detectors, installation drawings and electrical diagrams. Electrical installation should be carried out by an electrical contractor.

Specification Gorter® Safety Railing

safety_railing Partition and marking of safe area on the roof
Components: