HEALTH AND SAFETY AGENT/S ON THE PORT ELIZABETH (PE) FOR CIVIL BULK INFRASTRUCTURE UPGRADE (FOR A PERIOD OF THIRTY-SIX (36) MONTHS) AND/OR MARINE INFRASTRUCTURE UPGRADE (FOR A PERIOD OF TWENTY-FOUR (24) MONTHS) AND/OR NATIONAL FIRE SERVICES INFRASTRUCTURE EQUIPMENT UPGRADE PHASE 2A (FOR A PERIOD OF FIFTEEN (15) MONTHS)