1.	The spikes should be sharper at the top ends to cause considerable damage to the intruder
2.	The galvanizing shall be done according to SA standards and according to corrosive environment on site
3.	The fasteners and their spacing shall be coordinated with precast subcontractor
4.	A 15m long mockup to be installed for proponent inspection before 8 February 2015
5.	Ensure there is no deviation from the preliminary designs provided in the IFB 
