Foundation sizes for the UK
Foundation sizes shown below are for a maximum head load for CCTV camera equipment of - weight = 40kgs & wind surface area = 0.25m2
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Towers WITH Ladder
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Foundations sizes are W x W x D - Dimensions in metres
FOR FOUNDATION SIZES:- A MINIMUM SOIL BEARING PRESSURE OF 100kN/m2 IS ASSUMED
Minimum concrete Grade C28/35
Allow 72 hours after pouring concrete before installing pole or tower
Please note that foundation sizes shown in the table above are in accordance with recommended headload andwindload capacities shown in technical specification tables. For increased headloads foundations may need to increase in size please contact us for revised foundation sizes for specific installations.
- WIND SPEED AREAS 22m/s, 24/s, 25m/s TAKEN FROM FIG 6 BS6399 - BASIC WINDSPEEDS Vb.
- SITE MEAN WINDSPEEDS (Vs) FOR AREAS A, B & C ARE:- A= 24.2m/s(100m ASL) B=26.4m/s(100m ASL) C=28.8m/s(150m ASL)
- ACTUAL WIND VELOCITY FOR THESE WINDSPEEDS (Ve) ARE:- A= 41.8m/s(93mph) B=45.6m/s(102mph) C=50m/s(111mph)
- FOR AREA ‘D’ - PLEASE CONTACT ALTRON FOR FOUNDATION SPECIFICATION
Applicable standards
Design
- Wind loading and structural design is carried out using specialist software package in accordance with BS8100 PT1,‘Code of practice for loading’ and BS8100 PT3,‘Code of practice for strength assessment of members of lattice towers and masts’
Material and Finishing
- Structural steel hollow sections EN10219 - EN10025:2004
- Steel flat angles and structural sections EN10025, EN10111, EN 10130
- Fixings: stainless steel Grade A2, galvanised Grade 4.6 Grade 8.8 BS4190, BS3692, DIN 931, 934, 601
- Hot dipped galvanising after fabrication to ISO 1461
- Painting in BS and RAL colours in accordance with BS4800
Manufacturing Processes
- Welding Procedures conform with BS EN 1011:2009, BS EN 9606-1
Support
Options
- Ladders to BS4211 class 'A'
- 'Latchway' fall arrest system
- Hooped ladder cage
- Square or circular working platforms
- Rest platforms
- Hinged padlockable ladder guard
- Ant-climb mesh panels
Part Numbering
Standard part numbers are listed below. Where additional options are required, e.g. if a hooped ladder cage and platform are needed, then we will need to specifiy the tower size and foundation size individually for the location of the tower.
For confirmation of tower type and foundation size please contact our sales office
Standard duty towers with camera mounting upstand, for servicing via cherry picker
ASST/15
ASST/20
ASST/25
Heavy duty towers with uncaged ladder and fall arrest
ASST/15/HD
ASST/20/HD
ASST/25/HD
Coming Soon
Accessories
- All Altron standard CCTV camera mounting brackets
- Mounting brackets for Microwave and Wireless links
- Mounting brackets for Lighting
- Lighting arrestor and earthing rod
