Manufactured from 'bi-steel' hard drawn carbon steel.  Welded into a strong lattice formation.  Galvanized to ISO EN 1461 and/or plastic coated.  The strength-to-weight ratio of the security lattice post is its principal feature, benefiting the erection handling and installation of the barrier system, and the property owner in terms of resistance to determined attack through vehicle ramming, or accidental damage, even at fencing heights up to 4.5 meters The lattice construction eliminates 'blind spots' essential in security-sensitive areas, and is compatible with all frequently specified barrier fabrics - including heavy duty chain link, welded mesh or expanded metal, in roll or panel form - as appropriate to the level of threat.  The choice of post-top configurations makes the unit ideally fitted to barbed tape, barbed wire or rotating anti-scaling measures.  Accordingly Citadel posts are manufactured for straight, single or double crank, or flexible top security extensions.  To cope with site requirements, posts may be manufactured specially to suit all foundation types. The standard Citadel post is of proven design, currently in use by British MOD, Oil and Telecommunications companies and many other security applications.  Post Installation Guidelines Reference Number Fence Height (A) Overall Post Length (B) Depth Below Ground (C) Material Finish Post Weight (kg) IP 09 900 1570 600 Hot 4.75 IP 12 1200 1870 600 dip 5.50 IP 14 1400 2070 600 galvanized 6.00 IP 15 1500 2320 750 to 6.75 IP 18 1800 2620 750 ISO EN 1461 7.75 IP 20 2000 2820 750 with 8.50 IP 21 2100 2920 750 or 8.75 IP 24 2400 3220 750 without 9.75 IP 27 2700 3520 750 plastic 13.75 IP 30 3000 4070 1000 coating 16.00 IP 33 3300 4370 1000 17.25 IP 36 3600 4670 1000 18.75 IP 40 4000 5070 1000 20.25 Unit N, Tweedale Industrial Estate Telford, Shropshire, TF7 4JR high security fencing.  Security Post-Top Configurations Vertical 45 Degree (90 Degree Also Available) V Top Rocker Bar Hi-strength Tee Posts For low security duties the CITADEL 141-STRENGTH TEE post is available and may be used with chain link, welded mesh or 'dropper wire fence types.  Utilising strong bi-steel strainers, TEE posts may be driven into the ground to reduce installation costs for long runs such as railway and highway strained wire application.  High strength Tee Posts are available in 900mm, 1200mm, 1400mm, 1500mm and 1800mm heights above ground as standard. Non-standard heights are available to Order. The part number prefixes are TP9, TP12, etc. Etc. It is recommended that High Strength Lattice Straining posts are used in this system.  High security fencing.