Siemens ST950 User manual

ST950/ Plus+

Controller Cabinet Stool

Installation Method

Statement

Sept-19

Issue 1

Controller Cabinet Stool Installation

Method Statement

Controller Cabinet Stool Installation

Method Statement

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Change History

Rev

Date

Change

Author

Dec 2019

First Issue

Neil Atkinson

The electronic version of this handbook can be found on the Siemens website

www.siemens.co.uk/traffic in the Handbooks section under Downloads.

SAFETY INFORMATION

Safety of Road Users

It is important that all personnel are aware of the dangers to road users that could arise during repair and

maintenance of traffic control equipment.

Ensure that the junction area is coned and signed where necessary to warn motorists and pedestrians of any

dangers and to help protect the personnel working on the site.

CONTENTS

Change History .....................................................................................................2

SAFETY INFORMATION .......................................................................................... 2

1Introduction ......................................................................................................... 3

1.1 Purpose .....................................................................................................3

1.2 Contact Us.................................................................................................3

2Installation of the Standard Siemens Mobility Controller Stool................................. 4

2.1 Installation of Standard Stool Frame............................................................4

2.2 Back-fill and In-fill the Stool ........................................................................5

2.3 Sealing the Base.........................................................................................6

3Installation of a Plus+Controller Stool..................................................................... 7

3.1 Installation of a Plus+ Cabinet Stool Frame ..................................................7

3.2 Installation of a Plus+ Sealed Cabinet Base.................................................11

3.3 Bringing street cables into the cabinet (earthing and sealing cables)...........12

Controller Cabinet Stool Installation

Method Statement

Controller Cabinet Stool Installation

Method Statement

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1INTRODUCTION

1.1 Purpose

The purpose of this handbook is to describe the approved Siemens installation procedures for the

ST900/ ST950 stool product range manufactured by Siemens, this includes the standard stool and

the Plus+stool.

Status of Development

Ongoing development means that some of the delivered items may differ in detail from the photographs

included in this handbook.

1.2 Contact Us

If you have any comments on this handbook, or need any further information, you can contact us at

trafficwebmas[email protected].

Controller Cabinet Stool Installation

Method Statement

Controller Cabinet Stool Installation

Method Statement

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2INSTALLATION OF THE STANDARD SIEMENS MOBILITY CONTROLLER STOOL

2.1 Installation of Standard Stool Frame

1. Excavate a pit in the ground to suit the stool size. Refer to Figure 1.

2. Locate and prepare the ducting to enter the controller base in a suitable position.

3. Create a flat level base layer either with concrete or a flagstone of at least 900mm x 600mm

embedded securely at the bottom of the hole. Note - Ensure that enough clearance is left

around the stool to enable the fitting of the outer case fixings.

Installation on a Slope

If the controller is being installed on a slope, allowance must be made for the opening of the door adjacent

to the uphill side.

4. Place the controller stool in the centre of the level base layer / flagstone with the top surface

between 50 and 75 mm above the final ground level. Note - It is essential that the stool be

fitted the correct way around with the holes positioned so that the front of the stool is

the cabinet door side, as shown in Figure 1. Adjustment may be required to ensure that

the outer case sides are vertical; this should be checked using a spirit level on the stool

mounting surfaces.

5. Mix up a stiff mixture of concrete (mix: 1 cement, 3 sand, 4 coarse aggregate (20mm) with

no excess water) and cover the flagstone or level base to a height approximately 100mm (4")

above the bottom of the stool. The concrete must be sloped to provide a run up for the cables.

Note - Any cables already entering the pit must be held away from the wet concrete.

Where there is a risk of freezing, then a suitable antifreeze additive shall be

incorporated in the concrete mix to ensure proper curing.

Controller Cabinet Stool Installation

Method Statement

Controller Cabinet Stool Installation

Method Statement

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Figure 1 - Stool Installation with flagstone

2.2 Back-fill and In-fill the Stool

On completion of the cable installation and testing the controller cabinet and stool can be back-filled

by using the appropriate material for the site layout. Once the back-fill is completed in-fill with kiln

dried sand, taking care that the compacted sand is at ground level when finished.

If any of the cables were replaced or moved during the installation of the controller cabinet then the

kiln dried sand in-filling must be made good before the sealing compound is introduced.

NOTE: The back-fill must be brought to a level such that once the decorative top surface is

completed the finish is at the surrounding ground level, particularly paying attention to any

hard standing around the controller base.

Apply silicone sealant

between stool and case

996/4/22026/100

Apply silicone sealant

between stool and case

996/4/22026/100

Controller Cabinet Stool Installation

Method Statement

Controller Cabinet Stool Installation

Method Statement

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2.3 Sealing the Base

To prevent condensation and infestation in the controller cabinet the base MUST be sealed as soon

as possible after the controller has been installed. If any of the cables were replaced or moved during

the installation of the controller the kiln dried sand in-filling must be made good before the sealing

compound is introduced.

Siemens base seal kit part number 667/1/20214/000 OR GB7:4/MC3584 SEALANT ISP PC5882-BLACK

is recommended for sealing the base.

The sealant should be poured all around the cables and to a height which, when the sealant is set,

gives a total covering not less than 6.5mm thick over the base of the controller cabinet base. Use

between 2.0 to 3.0 litres of approved epoxy resin for the large controller cabinet base and 2.0 Litres

for the small controller cabinet base this will give an adequate and even cover.

This will act as a preventative barrier against the ingress of moisture and animal/insect infestation.

A concrete fillet around the outside of the stool may be completed before or after the epoxy sealing

to suit site conditions.

Guidance for In-Filling

The in-filling, kiln dried sand, must be brought to ground level or above and compacted. Make sure that the

kiln dried sand is level or slightly sloped down where it meets the cables so it will not prevent the sealant

meeting the cable.

Protection of Circuits

Should the controller cabinet base/stool NOT be in-filled with kiln dried sand and sealed with an approved

epoxy resin the controller electronics/electrical circuits may be damaged.

Controller Cabinet Stool Installation

Method Statement

Controller Cabinet Stool Installation

Method Statement

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3INSTALLATION OF A PLUS+CONTROLLER STOOL

3.1 Installation of a Plus+ Cabinet Stool Frame

1. Refer to Figure 2 for the general method of installation and dimensions.

2. Excavate a pit in the ground approximately 100cm long x 70cm wide x 450cm deep.

3. Locate and prepare the ducting to enter the controller base in a suitable position, Figure 3.

4. Create a flat level base layer either with concrete or a flagstone of at least 900mm x 600mm

embedded securely at the bottom of the pit.

5. Remove the Sealed Base Kit, Step 1 Figure 2 from the top of the stool and set to one side

being careful not to damage any studs or lose any fixings and keeping the kit in the protective

bag provided.

6. Place stool into the centre of the level base layer. Note - It is essential that the stool is fitted

at the correct height and that the access door can be accessed. Make sure that the stool

door is facing the same way as the cabinet door will open. Adjustment may be required

to ensure that the outer case sides are vertical; this should be checked using a spirit

level on the stool surfaces.

7. Mix up a stiff mixture of concrete (mix: 1 cement, 3 sand, 4 coarse aggregate (20mm) with

no excess water) and cover the base layer/ flagstone and stool legs to a height approximately

100mm (4") above the bottom of the stool. Note - Cables already entering the pit must be

held away from the wet concrete. Where there is a risk of freezing, then a suitable

antifreeze additive shall be incorporated in the concrete mix to ensure proper curing.

8. Using suitable sized cut paving slabs or similar, shutter all around the stool to prevent

concrete from entering the area within the stool, Figure 4.

9. Backfill around the stool with more concrete or other suitable material substrate, Figure 5.

10. Make good up to the surface level with asphalt or other material to match original surface.

11. If the cabinet is not going to be installed to the stool at the same time then the stool must be

capped to ensure it is safe to leave by bolting the Sealed Base Kit back to the stool, Step 3

Figure 2. Note - Ensure that the studs are facing downwards. If the Sealed Base Kit

Guidance for Stool Height

The stool has dimples on the side to indicate recommended install height with ground level

Guidance for Stool Height

If the controller is being installed on a slope, allowance must be made for the opening of the door adjacent

to the uphill side.

Controller Cabinet Stool Installation

Method Statement

Controller Cabinet Stool Installation

Method Statement

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cannot be fixed with the studs facing downwards then the Temporary Plus+ Cabinet

Stool Lid can be used (667/2/53028/000).

Figure 2 –Plus+ Stool Installation

Controller Cabinet Stool Installation

Method Statement

Controller Cabinet Stool Installation

Method Statement

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Figure 3 –Example of ducting -

This installation example uses flexible utility duct to redirect existing ducts

Figure 4 –Shuttering in place

Controller Cabinet Stool Installation

Method Statement

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Figure 5 –Showing ducting routes and back fill

Figure 6 –Checking door opening for finished surface

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