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DIRECT BOLLARDS LTD | UNITS 31-32 | THURROCK ENTERPRISE CENTRE | MAIDSTONE RD | GRAYS | ESSEX | RM17 6NF

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STANDARD TELESCOPIC SECURITY BOLLARDS.


The tools you will need: Cable avoidance tool (CAT scan) - Stone cutting power saw with blade - Concrete breaker - Post hole borer - A long bar with a shovel blade attached ( Rabbit bar) - Small magnetic spirit levels - Hand tools to finish (trowel - pointing tool etc)

Materials you will need: 20mm shingle - Ballast - Cement (rapid cure or ordinary) - Cement colour additive - Kiln sand (block paving)


1. Determine where the bollard is to be situated.

2. Check for utilities and perform a visual inspection for any obvious obstructions. Scanning the location for live cables and underground services will be necessary.Once you have identified where you will be locating the bollard mark out the area to be excavated.

3. Excavate a surface cube in the substrate according to the bollards specification. A normal cube measuring 300mm x 300mm is suitable for any standard telescopic with an in ground depth of up to 800mm. The larger spec anti ram raid telescopic bollards will need a cube measuring approx 350mm x 350mm  with a depth allowance of up to 1200mm.

4. For a concrete or tarmac surface a stone cutting saw with a diamond blade will need to be used to cut out your surface cube.For block paving consider the finished install with consideration for your paved surface pattern.The blocks will need to cut around the top of the bollard after installation.

5. Excavate a hole uniform in shape to the depth of your bollard and allow for an additional stone base of 100mm beneath the outer unit. Whilst excavating the hole periodically check the depth and allow for the finished level of the bollard to be approx 10 - 20mm above ground level. Once you have reached the required depth you are now ready to begin lowering the complete unit into the ground.

6. Place a layer of clean loose 20mm stone, 50 - 100mm deep into the bottom of the hole to allow for drainage.

7. Ensure you have located the root cross bar (if one is supplied with your bollard) and that it is fitted into the base of the outer casing. Locate the outer casing of the bollard centrally in the hole and onto the loose stone whilst also ensuring that the very top of this outer casing is sitting about 10 - 20mm proud of the existing ground surface level.  

8. Raise the inner bollard up from its sleeve and locate it into the upright position. Backfill some more 20mm shingle into the hole and around the base of the outer casing to a depth of about 200mm, whilst constantly checking that the extended inner bollard is sitting vertical to all planes.

9. When you are satisfied the inner bollard is vertical to all planes, lower it back into the outer casing and raise it up again to check for smooth operation. Whilst checking for vertical at all times, backfill the hole around the outer casing with additional 20 mm shingle until approx 300mm from the top of the outer casing. Periodically compact the 20mm shingle during this stage of the backfill with a long stick or temper to ensure the stone is tight around the outer casing.

10. When you are satisfied with the alignment of the outer casing and the inner bollard, fill the remainder of the hole with a good concrete mix ( preferably with a rapid hardening agent or cement) to a medium wet slump. Now lower the inner bollard and raise it again and double check that it is still vertical to all planes. Once you are totally happy then lower the inner bollard back into the outer casing and begin to reinstate your existing surface to give a tight surface finish around your bollard.  

11.The 10 - 20mm allowance above the ground level will now need to be chamfered around the outer casing down to the surface level to leave a smooth slightly sloped finish. Ensure the finish is as smooth as possible so as to allow for good surface water run off and to eliminate any form of trip hazard.

12. Protect any concrete from inclement weather or frost until it has fully cured. The bollard should not be used until the concrete  has fully cured. Allow at least 24 hours before any vehicles are allowed to drive onto the top of the outer casing.


ANTI RAM RAID ( HEAVY DUTY ) TELESCOPIC SECURITY BOLLARDS.


Follow the instructions above but allow for the following additions.


1. The surface cube to be cut out will need to be increased to approx 350mm x 350mm square to allow for the additional excavation to a depth of up to 1200mm dependant on your bollards specification.Ram raids bollards are considerably larger and deeper than a standard telescopic bollard.

2. Consider the additional weight of the complete unit when lowering and positioning it into the excavated hole. You may need assistance..

3. Ensure you have a suitable tool capable of reaching to the deeper depths required to remove the spoil from inside the hole whilst excavating. Some bollards will require excavating to a depth of 1200mm, so be prepared for a work out.

4. Additional shingle & concrete mix will be needed as the area around the outer casing will be significantly greater than that of a standard telescopic bollard.



FIXED & REMOVABLE HOOP PERIMETER BARRIERS.


Follow the instructions for the standard telescopic bollards with the exception of the excavation dimensions which should be a 250mm x 250mm cube.


STATIC BOLLARDS & ORNAMENTAL STREET BOLLARDS.


Follow the instructions for the standard telescopic bollards and consider the following points.


1. There is no need to place loose stone into the base of the bollard as it has no operational elements to its design. Only the use of a medium slump concrete mix is used to backfill the bollard.


LIFT OUT LOCKABLE BOLLARDS & POSTS.


Follow the instructions for the standard telescopic bollards and consider the following points.


1. Place a layer of clean loose 20mm stone, 50 - 100mm deep into the bottom of the hole to allow for drainage.

2. Ensure the ground socket is vertical and level to all planes.

3. Position the bollard into the ground socket to ensure the same during backfill and check to ensure the smooth operation of the complete unit.


SPIGOT BASED ( SUB SURFACE FIX ) BOLLARDS & POSTS.


Follow the instructions for the standard telescopic bollards and consider the following points.


1. Ensure the ground socket is vertical and level to all planes. Check the socket and ensure no material has entered inside the base socket.

2. Position the bollard into the ground socket to ensure the socket is clear during backfill.

3. Remove and replace the bollard into its socket to check that no obstruction has occurred during backfill and that the bollard can be locked into the socket.


BASE PLATE SURFACE MOUNTED BOLLARDS & POSTS ( GROUND ANCHOR FIXING METHOD)


Please note that we do not supply the surface fixings for any of the surface fix bollards or barriers we supply. We recommend you only use the recommended ground anchors for the relevant surface you are fixing to. Because of the varied surfaces we can not allow for each type of material you may be fixing to. This is why we always use the Resin anchor ground system on all our surface fix installations. Click here to order from a selection of surface fixing kits.


1. Position the bollard where you intend to use it.

2. Ensure you have the correct size drill bit for the standard fixings supplied with the bollard.

3. Drilling a pilot hole through the bollards fixing holes is advised when in position.

4. Drill the hole to the required depth.

5. Fill the void with resin anchor solution and position the stud into the hole and ensure that the bollards fixing holes line up correctly.

6. When the resin solution has fully cured, Insert the fixing bolt heads and tighten.


OUR CHEMICAL RESIN AND ANCHOR STUD FIXING KITS FOR THE BOLT DOWN FIXING METHOD


1. Position the bollard, barrier or post where you intend to use it. Have the studs and stud nuts to hand and close to the work.

2. Drill a pilot hole through your products pre drilled fixing holes whilst in the correct position.

3. Drill the hole slightly larger than the stud size & to the required depth and ensure the hole is clean from dust or debris.

4. Unscrew the resin cap from the tube of resin,attach the supplied nozzle and then place the tube into a suitable mastic gun.

5. Pump the resin mixture up through the tube, discard the first mixture until the resin is of a uniform colour and consistency and slowly begin pumping the resin into the drilled hole and fill until three quarters full.

6. Insert the stud into the hole by hand using a twist & screwing action. This will dispel the air from the hole at the same time as bonding with the stud threads until you have reached your required depth. Wipe clean any excess resin, immediately from the surface.

7. Position the product onto the studs to ensure correct alignment & location of the holes and to check that the stud heads are at the correct height above ground so as to allow for the washer and stud nuts.

8. Once fully cured the stud heads can be fully tightened.


If you have purchased our tamper proof fixings fully tighten the supplied tamper proof stud heads with the matching driver socket supplied.  



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Security Bollards Direct is a trading name of Direct Bollards Limited | Company Reg No: 7807953 | VAT Reg No: 126 4198 14  

Unit 31 -32 | Thurrock Enterprise Centre | Maidstone Road | Grays | Essex. | RM17 6NF | Telephone 01375 - 373128.



Please take care with any power tools listed below and ensure you are fully aware and instructed on the operation of these power tools. Assistance may also be needed in the lifting, placement & installation of some of the heavier type bollards detailed.

If you are unsure or would like assistance or any advice then please do not hesitate to contact our installation department on 07730217556.

DIY INSTALLATION INSTRUCTIONS FOR THE SELF FITTING OF SECURITY BOLLARDS.