L
LA
AD
DD
DE
ER
R S
SP
PA
AN
N E
ER
RE
EC
CT
TIIO
ON
N M
MA
AN
NU
UA
AL
L
W
WIIT
TH
H 4
4 R
RU
UN
NG
G S
ST
TA
AR
RT
TE
ER
R FFR
RA
AM
ME
ES
S
L
LA
AD
DD
DE
ER
R S
SP
PA
AN
N E
ER
RE
EC
CT
TIIO
ON
N M
MA
AN
NU
UA
AL
L
W
WIIT
TH
H 5
5 R
RU
UN
NG
G S
ST
TA
AR
RT
TE
ER
R FFR
RA
AM
ME
ES
S
A
AL
LL
L T
TO
OW
WE
ER
RS
S
S
SP
PA
AN
N T
TO
OW
WE
ER
R W
WIIT
TH
H C
CL
LIIP
P IIN
N V
VE
ER
RT
TIIC
CA
AL
L
L
LA
AD
DD
DE
ER
RS
S E
ER
RE
EC
CT
TIIO
ON
N M
MA
AN
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AL
L
Notes. The above schedule includes for:-
1. i)
1 working level with span trap platform,
toeboards and handrails at 1m and 0.5m.
ii) A span trap platform and handrails at 0.5m
and 1m as rest platform every 2m. To con-
vert a rest platform to a working platform
add a single toeboard.
2. Maximum working load on a 0.61m wide x
1.8m long platform is 2kN/m
2
which is 212kgs.
3. Maximum working load on a 0.61m wide x
2.7m long platform is 2kN/m
2
which is 324kgs.
4. Maximum load on a tower (including the self
weight of the tower) should not exceed
2500kgs.
5. Maximum horizontal force when using hand
tools, etc, should not exceed 30kgs.
6. Stabilisers must be fitted.
7. WGT KGS = Total self weight of tower.
8. MAX PLATS = Maximum No. of working
platforms.
PLATFORM HEIGHT
METRIC
2.4
3.4
4.4
5.4
6.4
7.4
DESCRIPTION
IMPERIAL
7’10”
11’2” 14’5” 17’9” 21’0” 24’3”
1.8 m x 0.8 m SPAN
CODE
COMPONENT SCHEDULE
SINGLE WIDTH SPAN TOWERS WITH CLIP-IN VERTICAL LADDERS
TO EN 1004-3-8/12
Using the 3T (Through the Trap) Assembly method
INTERNAL & EXTERNAL USE
INTERNAL USE
2230 4
4
4
4
4
4
2065 1
1
1
1
1
1
2015 2
2
2
2
2
2
2016 -
2
2
4
4
6
2017 2
-
2
-
2
-
2040 6
10
10
14
14
18
2041 3
3
4
4
5
5
2050
1
2
2
3
3
4
2056
4
4
4
4
4
4
2057 -
-
-
-
-
-
2060
1
2
2
3
3
4
132
175
188
229
240
283
1
2
2
3
3
4
4
4
4
4 4
1
1
1
1
1
2
2
2
2
2
6
8
8
10
10
2
-
2
-
2
18
22 22
31
31
6
6
7
12
131
1
4
5
5
6
6
-
-
-
-
-
4
4
4
4 4
4
5
5
6
6
302
344
355
401
415
4
5
5
4
4
8.4 9.4 10.4
11.4 12.4
27’7” 30’10” 34’1”
37’5” 40’8”
150mm Adjustable Castors
1.8m x 0.6mToeboard
Single Base Frame
Single Main Frame
Single G.R. Frame
1.8m Brace
2.69m Brace
1.8m Trap Platform
Small Stabiliser
Large Stabiliser
Vertical Ladder
TOTAL SELF WEIGHT OF TOWER (KGS)
MAX. No. OF WORKING LEVELS
SAFETY NOTES
1. Before erecting check ground is level
unobstructed and is suitable for the
purpose. Also ensure area is clear of
overhead obstructions, particularly
power cables.
2. Check that brakes are applied and the
tower is stable before use.
3. Do not ride on the tower or attempt to
move a loaded tower.
4. Always climb the tower from the inside.
5. Do not overload the tower. Maximum
platformloads 200 kg/m
2
(2kN/m
2)
.
Maximum tower load 2500kg mobile.
Maximum horizontal force at platform
30kg.
6. When moving a tower, reduce the
height to a maximun of 4m. Check that
there are no power lines or other
obstructions overhead.
7. Mobile towers must be moved by
pushing at the base only. Beware of
soft or uneven ground, drains or
potholes and overhead obstructions,
especially power cables. Stabilisers
may be raised to a maximum of 25mm
above the ground. Immediately after
moving, apply the brakes and check
that the tower is upright and stable and
stabilisers returned to ground level.
8. Never remove components from a
tower whilst it is erected. Dismantling
must always be performed from the
top. Failure to observe this rule will
seriously reduce the strength and
safety of the tower.
9. Do not use damaged components.
Check all components before use and
periodically lubricate all moving parts
and wipe off surplus oil.
10. Beware of high winds. Secure the
tower when in exposed positions and
when left unattended.
11. Do not lean ladders against towers or
use ladders on top of platforms.
12. At heights where components cannot
be passed up or down by hand, a
rope should be used for securing to
components to aid safe raising and
lowering.
13. Never work from, or build or dismantle
the tower from an unguarded platform.
14. Legislation now calls for inspection
and recording of assembled towers.
See HSE guidance note 10 (revision 4)
for further details.
Span towers with clip in vertical ladders are built in exactly the same way as ladder span towers
with 5 rung starter frames (page 2).
Where a ladder frame is shown on page 2, use a plain frame and then clip a 2m vertical ladder onto
the horizontals on the inside of the frame, ensuring that the spring loaded pins on the ladder locate
under the rung.
Note. You cannot use 3 rung frames with clip in vertical ladders. See also illustration 14.
1
1.. These towers should be erected by at least 2
competent persons. Contact your supplier for details
of appropriate training. Check you have the correct
equipment and it is in working order. Apply brakes
and fit adjustable castors into both 5 rung frames
ensuring that spring loaded pin is engaged in hole
provided (see detail 1A).
2
2.. Make sure pegs on frame head fitting always
point towards middle of tower (see detail 2B). Fit
two short horizontal braces to vertical tubes of one
of the frames ensuring spring loaded pin faces
outwards (see detail 2A).
3
3.. Fit opposite ends of short braces to other 5 rung
base frame ensuring pegs on frame head fitting point
towards middle of tower.
4
4.. 1) Fit two long braces diagonally in opposite direc-
tions as close to the frame vertical tube as possible.
2) Fit a temporary platform on the third rung down from
the top of the frame and, working through the trap fit
short braces as temporary handrails onto frame
uprights above top rungs of frames. At this stage level
the tower by adjusting collar on castors (see notes).
5
5.. Fit appropriate stabilisers (see schedule on back
page) to each corner of the tower to increase the
effective base dimensions A & B. They must be fitted
so that when viewed from above the largest square is
formed. Ensure the wing nuts are tight so that it is not
possible to move stabilisers without slackening the
wing nuts.
9
9.. FFO
OR
R T
TO
OW
WE
ER
RS
S
U
US
SIIN
NG
G 2
2 R
RU
UN
NG
G
FFR
RA
AM
ME
ES
S..
Working from
a temporary platform add a 2 rung
ladder frame to the 5 rung ladder
frame by locating onto head fitting with peg,
engaging into hole provided. Repeat the process at
the other end using a 2 rung frame. Add a diagonal
brace to the top rung of the 2 rung frame on one
side of the tower. Fit short braces to form guardrails
as before. Remove temporary platform and relocate
onto 5th rung of base frame.
6
6.. FFO
OR
R T
TO
OW
WE
ER
RS
S
N
NO
OT
T U
US
SIIN
NG
G 2
2 R
RU
UN
NG
G FFR
RA
AM
ME
ES
S..
Working from a platform add a 4 rung ladder frame
to the 5 rung lader frame by locating onto head fitting
with peg engaging into hole provided. Repeat the
process at the other end using a 4 rung main frame.
1
10
0.. FFO
OR
R T
TO
OW
WE
ER
RS
S
U
US
SIIN
NG
G 2
2 R
RU
UN
NG
G
FFR
RA
AM
ME
ES
S..
Working from
platform add a 4
rung ladder
frame to 2 rung
ladder frame by
locating onto head fitting with peg
engaging into hole provided. Repeat
the process at the other end using a 4 rung main
frame. Working through the trap fit 4 short braces as
guardrails fit two braces diagonally in opposite direc-
tions as close to the frame vertical tubes as possible.
1
11
1.. A
AL
LL
L T
TO
OW
WE
ER
RS
S
Fit a trap
platform on third
rung down from
top of frame and
working through
trap fit short braces horizontally on top
rung of frame between pegs provided.
Still using a platform & braces to aid safe erection,
continue building the tower repeating the bracing
pattern until the required platform
height is reached.
1
12
2.. T
TO
OW
WE
ER
RS
S FFIIN
NIIS
SH
HIIN
NG
G W
WIIT
TH
H 4
4 R
RU
UN
NG
G FFR
RA
AM
ME
ES
S..
Erect as shown up to (9), then:- Still using a
platform & braces to aid safe erection fit platform on
the third rung down in the same way as shown in (9).
Working through the trap fit two short braces horizon-
tally on to top rung of frames between pegs provided
and two on first rung down over outside pegs.
1
13
3.. T
TO
OW
WE
ER
RS
S FFIIN
NIIS
SH
HIIN
NG
G W
WIIT
TH
H 3
3 R
RU
UN
NG
G FFR
RA
AM
ME
ES
S
Still using a temporary platform & braces to aid safe
erection erect tower as shown up to (11). Repeat (11)
but use 3 rung frame and use either blue braces or black
braces provided. Fit trap platform on the third rung
down in the same way as shown in (9). Working
through the trap fit two short braces horizontally onto
top rung of frames between pegs provided and two on
first rung down over outside pegs.
1
1.. These towers should be erected by at least 2
competent persons. Apply brakes and fit adjustable
castors into one 4 rung ladder frames and one 4
rung main frame,ensuring that spring loaded pin is
engaged in hole provided (see detail 1A).
2
2.. Make sure pegs on frame head fitting always
point towards middle of tower (see detail 2B). Fit
two short horizontal braces to vertical tubes of one
of the frames ensuring spring loaded pin faces
outwards (see detail 2A).
3
3.. Fit opposite ends of short braces to other 4 rung
frame ensuring pegs on frame head fitting point
towards middle of tower.
7
7..
FFO
OR
R T
TO
OW
WE
ER
RS
S N
NO
OT
T
U
US
SIIN
NG
G 2
2 R
RU
UN
NG
G FFR
RA
AM
ME
ES
S..
Fit one long diagonal brace as close to one of
the frame vertical tubes as possible.
8
8..
FFO
OR
R T
TO
OW
WE
ER
RS
S
N
NO
OT
T U
US
SIIN
NG
G 2
2
R
RU
UN
NG
G FFR
RA
AM
ME
ES
S..
Working from
the guarded
platform
locate a trap platform on the 3rd
rung down from the top of the tower.
Working through it’s trap, fit short braces horizontally
as guardrails. Continue building the tower repeating
method from 6 until the required platform height is reached,
then onto box 12, 13 or 14 (whichever is applicable)
Rest platforms must be fitted every 2m and consist
of a trap platform and guardrails at 0.5m and 1m as
shown. Remember to always close trapdoor immedi-
ately after climbing through.
R
RE
ES
ST
T P
PL
LA
AT
TFFO
OR
RM
MS
S
WARNING:
never work from or build, or dismantle
the tower from an unguarded platform.
WARNING
X
PLATFORM HEIGHT
METRIC
2.4
3.4
4.4
5.4
6.4
7.4
DESCRIPTION
IMPERIAL
7’10”
11’2” 14’5” 17’9” 21’0” 24’3”
2.69 m x 0.8 m SPAN
CODE
INTERNAL & EXTERNAL USE
INTERNAL USE
2230 4
4
4
4
4
4
2067 1
1
1
1
1
1
2015 2
2
2
2
2
2
2016 -
2
2
4
4
6
2017 2
-
2
-
2
-
2041 6
10
10
14
14
18
2042 3
3
4
4
5
5
2051
1
2
2
3
3
4
2056
4
4
4
4
4
4
2057 -
-
-
-
-
-
2060
1
2
2
3
3
4
149
202
214
265
277
330
1
2
2
3
3
4
4
4
4
4 4
1
1
1
1
1
2
2
2
2
2
6
8
8
10
10
2
-
2
-
2
18
22 22
31
31
6
6
7
12
131
1
4
5
5
6
6
-
-
-
-
-
4
4
4
4 4
4
5
5
6
6
349
401
413
401
415
4
5
5
4
4
8.4 9.4 10.4
11.4 12.4
27’7” 30’10” 34’1”
37’5” 40’8”
150mm Adjustable Castors
2.6m x 0.6mToeboard
Single Base Frame
Single Main Frame
Single G.R. Frame
2.69m Brace
3.35m Brace
2.69m Trap Platform
Small Stabiliser
Large Stabiliser
Vertical Ladder
TOTAL SELF WEIGHT OF TOWER (KGS)
MAX. No. OF WORKING LEVELS
1
14
4.. T
TO
OW
WE
ER
RS
S
FFIIN
NIIS
SH
HIIN
NG
G W
WIIT
TH
H
G
GU
UA
AR
RD
DR
RA
AIIL
L
FFR
RA
AM
ME
ES
S
Guardrail frames
can be used at the top of the tower instead of 2 rung
frames lower down, but they will need the intermediate
platforms to be rearranged before forming the top
platform. Using a temporary platform & braces to aid
safe erection fit two G.R. frames (2 rung) by locating
onto head fitting with peg engaging into hole provided.
Fit two short braces horizontally onto top rungs of frames
between pegs provided and two on first rung down over
outside pegs. Fit one long brace diagonally from top rung
of frame as close to the frame vertical tubes as possible.
Relocate the top platform into its final position.
CONSTRUCTION NOTES
1. Follow the erection manual to ensure that the
correct erection procedure is used.
2. Ensure that sufficient equipment is available
to construct the tower and is in working
order.
3. Do not extend castor jacks more than is nec-
essary to level the tower. Adjustable swivel
base jacks are available for use on stepped,
steeply sloped or soft ground conditions.
4. Use a Spirit level to check that the tower is
upright.
5. The peg on the head fitting must always
point inwards.
6. Fit the first two horizontal braces to the ver-
tical frame tube. This prevents the frame
from falling over during erection and dis-
mantling.
7. All diagonal braces are fitted as close as
possible to the upright.
8. Observe all height limits (fig.5) and fit stabilisers
to increase the safe working height to the
tower. Towers may also be tied to a suitable
rigid structure using standard scaffolding tubes
and fittings (see tying in).
9. Fit toeboards to all working platforms
and ensure that all platforms are
adequately guarded.
10. The dismantling sequence is the reverse
order of the erection process.
11. For special or unusual applications
contact your supplier for further
technical data sheets and expert advice.
12. During erection and dismantling any tempo-
rary platform used for building the tower,
should be treated as a working platform with
guard rails at 0.5m and 1.0m above platform.
NOTE: Arrangement shown in fig. D is considered to be a friction device and should not exceed
¹⁄₂
the total number of scaffold ties in any area.
When friction devices are used the connection to the scaffold must be made onto both vertical
uprights. Ties should be at no more than 4m intervals.
Beware of high winds: If high winds are forecast do not erect the tower or leave up overnight.
Wind-
Beaufort- Speed in Speed in
Description
Beaufort-Scale
No. in mph m/sec
Medium Breeze Raises dust and loose
4
13 - 18
5.5 - 8 Safe to work on
paper small branches
the tower.
sway.
Strong Breeze Large branches in motion,
6
25 - 31
11 - 14
Tie the tower
telegraph wires whistle.
onto a solid
Structure. Do not
work on tower
Gale Force
Twigs snap off, walking is
8
39 - 46
17 - 21 Towers should
difficult.
on no account
be erected in
these conditions.
Beware of open ended building which can cause a funnelling effect.
TYING IN
TIE T
O
SC
AFFO
LD
TIE T
O
SCAFFO
LD
TIE
TO
SCAFFO
LD
TIE T
O
SC
AFFO
LD
WEDGES
COLUMN
SECURED TO SCAFFOLD
PLAN
WEDGES
COLUMN
fig. A
TIE TO
SCAFFOLD
SECURE TO EMBEDDED
TIES IN CONCRETE
fig. B
STUB TUBE
5
/
8
”
(16mm
DIA. BOLT
6
”
MIN
(152mm)
RIGHT ANGLE
COUPLERS
SECURE AT WINDOW
OPENING
WEDGES
fig. C
SPIGOT BASE
TUBE
TIMBER
REVEAL JACK
SECURE TO REVEAL PROP.
fig. D
4
4..) Fit two blue or black braces
(for a 1.8m tower fit blue and a 2.7m tower fit black)
diagonally in opposite directions as close to the frame
vertical tube as possible. 2) Fit a temporary platform on
the third rung down from the top of the frame and
working through the trap fit four short braces horizon-
tally onto top rungs and second rungs of frames
between pegs provided. At this stage level the tower by
adjusting collar on castors (see construction notes).
Continue as (5-14) on opposite page.
platform
Single RevEd3 New Logo 11/5/09 14:59 Page 4
