WIRE ROPE SAFETY FENCE SPECIFICATION FOR BRIFEN WIRE ROPE SAFETY FENCE General Requirements Description of Components Component Manufacturing Requirements Installation List of European & National Standards Drawings A.2 DESCRIPTION OF COMPONENTS ROPES COMPONENT ITEM NO. DRAWING NO. DESCRIPTION Line Rope     Complete rope connecting one end anchor to the other, comprising a number of component ropes and tail ropes joined together by rigging screws. Component Rope 01 LB/02 Standard length rope fitted with threaded terminals at both ends. Non-Standard Component Rope 02 LB/02 Rope of length to suit specific application fitted with threaded terminals at both ends. Tail Rope (LH/RH) Tail Rope (RH/RH) 03 04 LB/02 LB/02 Short length of rope fitted with threaded terminals at both ends. Used to connect a component rope to an anchor frame. Tail Rope (LH) Tail Rope (RH) 03/A 04/A LB/02 LB/02 Alternative system to items 03 and 04 with a mechanical fitting at the outboard end. Safety Check Rope 07 LB/02 Used to restrain the line rope should it become disconnected from the anchor frame. It is attached to the tail rope and secured to the anchor frame by a shackle or a clevis fitting. It comprises a short length of small diameter rope with fittings on both ends. ROPE FITTINGS COMPONENT ITEM NO. DRAWING NO. DESCRIPTION Rigging Screw 10 LB/02 Hollow steel body having an internal right hand thread at one end and a left hand one at the other to suit the threaded rope terminals on the component and tail ropes. Washer, M24 05 LB/02 Fitted over the threaded terminal and between the nut and the anchor frame. Nut, M24 06 WR/02 Nut used to secure the threaded terminal to an anchor frame. Pin 08 WR/02 Steel pin in the fork terminal on the safety check rope. Split Cotter Pin 09 WR/02 Used to retain pin. Mechanical Fitting 46 LB/02 Used to connect tail rope to anchor frame. Location Peg (Bobbin) 43 LB/03 Used to locate lower ropes on line post. POSTS COMPONENT ITEM NO. DRAWING NO. DESCRIPTION Line Post ‘S’ Type Line Post ‘Z’ Type 11 12 LB/03 LB/03 Fence post having a slot in the top in which one pair of ropes is located and having locating pegs on the outside of both flanges to locate the lower ropes. Supported by a concrete foundation. Deflection Post ‘S’ Deflection Post ‘Z’ 13 14 LB/03 LB/03 Similar to a line post, but with a double width slot and a hook welded to each post flange. Used in the last two post positions before an end anchor and penultimate position before an intermediate anchor. Driven Line Post, Long ‘S’ Type Driven Line Post, Long ‘Z’ Type 15 16 LB/03 LB/03 Fence post whose top is identical to the line post with the lower part suitable for driving into the ground. Driven Line Post, Short ‘S’ Type Driven Line Post, Short ‘Z’ Type 17 18 LB/03 LB/03 Fence post whose top is identical to the line post with the lower part suitable for driving into the ground Surface Mounted Post ‘S’ Type Surface Mounted Post ‘Z’ Type 34 35 LB/10 LB/10 Line post suitable for installation on concrete surfaces. Surface Mounted Post ‘S’ Type Deflection Surface Mounted Post ‘Z’ Type Deflection 41 42 LB/03   LB/03 Fence post with two hooks welded to post flanges, Deflection post suitable for concrete surfaces. Surface Mounted Height Restraining post long ‘Z’ type Surface Mounted Height Restraining post long ‘S’ type 44   45 LB/10   LB/10 Fence post with two inverted hooks welded to the post flanges. Used to lower and restrain the ropes at interfaces with other types of safety fence. Mounted on a concrete or steel surface. (Alternative to Item 41 and 42). Precast Foundation 24 LB/04 Precast concrete foundation containing a socket to receive the line post. In-Situ Foundation 37 LB/04 In-situ concrete foundation containing a socket to receive the line post. ANCHOR FRAMES COMPONENT ITEM NO. DRAWING NO. DESCRIPTION Vertical Release Anchor   LB/117 Steel framework embedded in an anchor block. Surface mounted intermediate anchor, central reserve 38 LB/125 Steel framework for mounting on the surface of a bridge deck or other concrete surface. Situated within the fence length to which one upper rope and one lower rope are attached allowing the other ropes to pass over, maintaining the line of the fence. Surface mounted end anchor, central reserve 39 LB/125 Steel framework for mounting on the surface of bridge deck or other concrete surface. Situated at the extreme ends of the fence to which all ropes are attached. ANCHOR BLOCKS COMPONENT ITEM NO. DRAWING NO. DESCRIPTION Anchor Block – Central Reserve Anchor Block – Verge 50   51 LB/126   LB/127 In situ concrete foundation block containing an anchor frame which accommodates mechanical fitting. Situated at the extreme ends of the fence to which the ropes are attached. Intermediate Anchor Block – Central Reserve   Intermediate Anchor Block – Verge 48       49 LB/126       LB/127 In situ concrete foundation block containing an anchor frame which accommodates mechanical fitting. Situated within the fence length to which one upper rope and one lower rope are attached, allowing the other upper and lower rope to pass over, maintaining the line of the fence. OTHER ITEMS COMPONENT ITEM NO. DRAWING NO. DESCRIPTION Socket 25 LB/04 Steel or polyethylene box of rectangular cross-section embedded in the concrete foundation in which the line or deflection post is located. Excluder 27 LB/04 LD Polyethylene (black) washer containing an ‘S’ or ‘Z’ shaped slot placed at the junction of the post and the top of the foundation to reduce ingress of water and detritus. Post Cap 19 LB/04 LD Polyethylene (black) moulding placed on top of the post to cover the slot in the post. Reinforcing Ring 26 LB/04 Used to reinforce the upper part of precast and in situ concrete foundations. Galv. Washer   LB/128 Part of the Attachment System to the anchor for a threaded swage fitting. Specifications Index HOME PAGE Selection Criteria Standards Performance History Testing to International Standards Barrier Maintenance Installations in Australia Reference Articles Reference Photographs Standard Drawings Typical Site Installation Procedures Typical Procedures for Concrete Foundations