Kee WALK Step Over Manuale
KEE WALK Step Over Operation & Maintenance Manual
SAFETY AT THE HIGHEST LEVEL
CONTENTS PAGE
System Overview 1
Checking the Step Over System’s Components 3
Platforms for the Major Roof Types 6
Assembling the Step Over 8
Finished Step Over 13
Kee Walk Mini Step Over 14
Assembling and xing the Mini Step Over - Fixed Version 15
Assembling and xing the Mini Step Over - Free standingg 16
Kee Walk Step Over System Recertication 17
Contents
System Overview
1
Step Over
KEE WALK®Step Over is a complete range of safety Step
Overs designed specically to provide permanent safe access
for areas on roofs or in warehouses where regular access for
maintenance and inspection is required.
A KEE WALK®Step Over system is designed to provide a
safe means of access up and over obstructions present in a
designated walkway as part of a safe roof access system or
as a standalone item used internally (I.e warehousing) when
access is required. Can be combined with KEE WALK, or as a
stand alone item when access or egress is required over an
obstruction.
The Step Over system provides both a demarcation route for
at roofs which are not accessible to the public, where access
is still required for the purpose of carrying out repairs and
maintenance. They can also be used within a warehousing
environment or internal application where access up and over
plant or equipment is required in order to provide safe passage
from point to point.
APPLICATION
KEE WALK®Step Over has been designed to be fully adjustable
and can accommodate heights from 600mm up to 1400mm.
DURABILITY
KEE WALK®Step Over is available in a range of high quality
nishes. The components are supplied with a galvanised
nish carried out to BS EN ISO 1461 and ASTM A53: Hot Dip
Galvanised Coatings Specication and Testing Methods, giving
an average coating of between 65-85 microns. All cast clamps
have Threadkoat applied to all tapped holes. All grub screws are
carbon steel and have Kee Koat protection applied to ensure
minimal maintenance.
COMPONENT BASED SYSTEMS
All products consist of high quality tubing that seamlesly
complements our existing safety portfolio. KEE WALK®Step
Over mounts easily to all variants of the KEE WALK Walkway &
KEEGUARD systems as well as Safe Access Solutions such as
Mobile Access Platforms & Static Access Platforms.
VERSATILE SYSTEMS
The KEE WALK®Step Over range has been specially designed
with different heights and foot styles to accommodate all levels
and roof types. The exibility of the KEE KLAMP design allows
the systems to be used on plant congested or complex detailed
roofs. The product range has been extended to suit specic
requirements and includes the standard design and bespoke
solutions.
System Overview
2
TESTING & CERTIFICATION
Tested in accordance with the following
(See Specication Section for full details) :-
EN ISO 14122: 2016 Part 3
KEE WALK® Step Over systems do not require physical xing
to the building’s structure. The complete system’s design,
manufacture, testing and installation have been internally
assessed and designed in accordance with EN 14122-3
European Standards.
OFFICIAL DOCUMENTATION
All Systems comply with the following: - Work at Height
Regulations.
- HSG-33, Health & Safety in Roof work
- HSE INDG 284- Working on Flat Roofs
- BS EN 516: 2006
AESTHETICS
The smooth lines of the standard galvanised nish can be
further enhanced by the application of powder coating to EN
13438.
MATERIALS
Steel tubing to EN 10255. 42.4mm diameter tube x 3.2mm wall
thickness. All steel components galvanised to BS EN ISO 1461.
All xings are hot dipped galvanised to BS EN ISO 1461.
All cast clamps have Threadkoat applied to all tapped holes.
All grub screws are carbon steel and have Kee Koat protection
applied to ensure minimal maintenance.
Where tubing is cut on site zinc rich paint is applied to the cut
end of the tube.
Powder Coating to EN 13438.
KEE WALK tread is manufactured in high grade nylon/
aluminium incorporating raised textured sections. Open tread
design ensures water drains away
SYSTEMS DISTRIBUTORS
KEE WALK®Step Over is available as a supply and installation
service or component supply only. Products are available from
Kee Safety directly or one of its licensed distributors.
Checking the Step Over System’s Components
3
10-7
325-7
62-7
440-7
10-76
326-7
63-7
KGTF1
29-7
45-7
69-7
TB3-7
55-7
74-7
77-7
TB150
C50-77
199-6
105-7
TRSTEPASSY
3. Designation and function of the components for standard systems
The Step Over system consists of the following pre-assembled modules & individual components. The exact number of individual components depends upon the length and construction of a specic
system. All ttings are cast from malleable cast iron to BS EN 1562 and galvanised to BS EN ISO 1461 and full part numbers for reference are detailed below. Aluminium toe board is 6062-T6 grade.
Note: A complete list of all parts and details on the total weight of the Step Over system is provided with the delivery. The load-bearing capacity of the roof must be equal to or exceed the capacity specied.
Checking the Step Over System’s Components
4
Weighted foot assembly Front guardrail upright Step module guardrails
Bridge module guardrails Toe board assembly
Bridge module Back upright assembly Stair tread assembly
A B C
D E H
FG
Checking the Step Over System’s Components
5
Exploded view of system layout and location of components and sub-assemblies:
A
B
C
D
E
H
F
G
Platforms for the Major Roof Types
6
Roof Type Obstacle Height (mm) Obstacle Width (mm) Foot Type Part Number
Membrane/Asphalt/PVC 600 1000 440-7 STMB600
Membrane/Asphalt/PVC 800 1000 440-7 STMB800
Membrane/Asphalt/PVC 1000 1000 440-7 STMB1000
Membrane/Asphalt/PVC 1200 1000 440-7 STMB1200
Membrane/Asphalt/PVC 1400 1000 440-7 STMB1400
4. The Kee Safety Step Over modules are available to suit all major roof types
The Step Over range consists of a number of different congurations to suit the major at roof types. Membrane and concrete roof type platforms are standard units, whereas metal prole roofs are
bespoke to the particular application, requiring a survey and semi-bespoke base plate layout design. This will ensure a perfect t and other height/width/length variables can be accommodated as a
bespoke solution - contact Kee Safety for further information.
Step Overs for Membrane/Asphalt/PVC roofs
Step Over shown with 440 base feet for Membrane/Asphalt/
PVC roofs.
Platforms for the Major Roof Types
7
Roof Type Obstacle Height (mm) Obstacle Width (mm) Foot Type Part Number
Concrete 600 1000 62-7/63-7 STCR600
Concrete 800 1000 62-7/63-7 STCR800
Concrete 1000 1000 62-7/63-7 STCR1000
Concrete 1200 1000 62-7/63-7 STCR1200
Concrete 1400 1000 62-7/63-7 STCR1400
The Kee Safety Step Over modules are available to suit all major roof types
The Step Over range consists of a number of different congurations to suit the major at roof types. Membrane and concrete roof type platforms are standard units whereas metal prole roofs are bespoke
to the particular application, requiring a survey and semi-bespoke base plate layout design. This will ensure a perfect t and other height/width/length variables can be accommodated as a bespoke
solution - contact Kee Safety for further information. Where access is limited on a roof, or within a warehouse environment, we can offer the below solution.
Concrete floors/restricted access roofs*
*Concrete slab and elastomeric pad to be used on membrane/asphalt/PVC roofs to spread the imposed load from the platform.
Assembling the Step Over
8
STEP 1
Assembling back leg upright with weights and cross rail
Take both back upright assemblies (Part G) to the position of the obstacle, along with the weighted
foot assemblies (Part A).
Starting with the left-hand side back upright assembly, up end the upright such that it is orientated
with the 10-7 tting at the bottom. Pick up the weight cross rail, and feed through into the lower
tting of the upright, and slide the right-hand side towards the left.
Insert the cross rail at mid-point to connect both uprights together.
Insert the 74-7 ttings into the 440-7 weights and add the weights to either end of the tube, ensuring
the weights are inserted fully. Tighten the 74-7 grub screws to 39Nm.
Manoeuvre the assembled rear upright into position at the point of install.
Tighten all grub screws to the required 39Nm torque setting.
5. Installation should only be carried out once the design has been verified in the Step Over
Configurator and the installer has been fully trained by Kee Safety.
Tool list:
Ratchet
Hex key socket screw sized 5/16”AF
Torque wrench 10-60Nm
Electric/battery drill
Electric/battery impact driver
Selection of drill bits – including 8.5mm diameter bit
Tape measure
Line and level
Full metric socket set
Fell set metric spanners
Full set of metric Allen keys
Full set of imperial Allen keys
Copper/rubber mallet
Rags and cleaning uid
STEP 1
STEP 1
Indice
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