Installation / grounding R56 guidelines for Dispatch Centers,Shelters,Towers

Dispatch Centers
  • Locate and isolate relevant items that are part of the R56 audit.
  • Consolette grounded
  • Sub System Ground Bus bar (SSGB) ground conductor is appropriate gauge / length from Master Ground Bus bar (MGB)
  • Miscellaneous ground conductors are appropriate gauge / length from Sub System Ground Bus bar (SSGB)
  • Ground conductor lugs are appropriately terminated to Master Ground Bus bar (MGB) / Sub System Ground Bus bar (SSGB)
  • Cable groups have minimum 2" separation at operator station ("neat and work-man-like" cable management)

Racks are properly secured and bolted to the floor.

Equipment properly grounded using AWG #6 as required.

Secondary Surge Protection Devices (SPD) for data network circuits are installed

Properly installed Sub System Ground Bus bar (SSGB) with all conductors
Shelters
  • Locate and isolate relevant items which are part of the R56 Audit
  • External Ground Bus bar (EGB) / External Ground Bus bar (EGB) ground conductor installed and grounded appropriately
  • Coaxes have ground kits, which are correctly bonded to External Ground Bus bar (EGB)
  • Ancillary metallic items are appropriately grounded to External Ground Bus bar (EGB) / grounding electrode system
  • Ground conductors penetrating the ground are appropriately protected
  • Proper preparation of bonding terminations (scratch surface, apply conductive gel, apply appropriate anti-oxidant coating after ground conductor has been connected)
  • Generator (including chassis, support structure, fuel tank / gas line) is bonded appropriately

Grounding conductors are routed as straight as possible and protected from physical damage as required.

Air conditioner units and vent covers are properly bonded to the grounding electrode system and grounding conductors

Fencing has been properly bonded to a ground system as required. Grounding conductors are properly separated from the

Metal fuel tank supports have been properly bonded as required. Paint removed, conductive anti-oxidant applied and coated.

Generator and support skids have been properly bonded as required.

Properly bonded and painted external metal plate

Proper preparation of bonding terminations (surfaced cleaned

Properly grounded fence post and gate, ground is protected with PVC

The minimum required signage is posted at the site.

Typical ice bridge install, has good penetrations,

The another example of minimum required signage is posted

An External Ground Bus bar (EGB) of suitably

Each transmission line outer shield is properly
  • Locate and isolate relevant items which are part of the R56 Audit
  • Master Ground Bus bar (MGB) / Master Ground Bus bar (MGB) ground conductor installed and grounded appropriately
  • Coaxes have SPDs, which are correctly bonded to Master Ground Bus bar (MGB) / Sub System Ground Bus bar (SSGB)
  • Ancillary metallic items are appropriately grounded to Properly installed Internal Perimeter Grounding Bus (IPGB) / Master Ground Bus bar (MGB) / Sub System Ground Bus bar (SSGB)
  • Coaxes penetrating the cable entry port are appropriately sealed
  • Proper preparation of bonding terminations (scratch surface, apply conductive gel, apply appropriate anti-oxidant coating after ground conductor has been connected)
  • Racks, cabinets installed properly and secured properly
  • Cables maintain minimum of 2" spacing, except that transmission cables to maintain 4" separation
  • Cable tray and sections to be bonded appropriately
  • Communications equipment (mostly in racks and cabinets) are bonded only to ground bus or ground bus extension that terminates at the Master Ground Bus bar (MGB) or Sub System Ground Bus bar (SSGB)
  • TVSS installed as required

Locate and isolate relevant equipment which are part of the R56 Audit

Typical Racks

Type 1 & Type 2 Transient Voltage Surge Protection devices (TVSS) are installed as required.

Electrical piping set-screw coupled joints are properly bonded with jumpers.

Adjoining sections of cable runway system bonded together.

Properly installed Internal Perimeter Grounding Bus (IPGB).

Proper gap, also showing metal grate is properly grounded

Outlets properly labeled to show protecting circuit / breaker.

Properly labeled cable, shows connectivity of both ends

All RF transmission lines, including unused spares, tower top amplifier have coaxial RF

Master Ground Bus bar (MGB) is correctly installed with properly attached conductors.

All RF transmission lines, including unused spares, tower top amplifier have coaxial RF

Circuit breakers are labeled to identify the receptacle outlet they are protecting.

Proper clearance requirements are being observed for power panels.

Outlet boxes are permanently marked to identify their assigned circuit breakers and panels.

Each ancillary support apparatus is properly bonded to the Internal Perimeter Ground Bus (IPGB)

Bonding jumpers from RF Surge Protection Devices (SPD) have not been properly bonded to the Master Ground Bus bar (MGB).

RF Surge Protection Devices (SPDs) are correctly installed with properly attached conductors. All conductors are using

RF transmission line Surge Protection Devices (SPDs) are bonded to the Master Ground Bus Bar (MGB) or a separate

Rack Ground Bus bar (RGB) located within a cabinet or rack is properly bonded back to the Master Ground Bus bar (MGB)

Transmission line entry ports have been properly sealed.

Ancillary metallic items are appropriately bonded

Proper safety equipment installed. Remote site has properly installed

Properly installed and working Emergency backup lighting.

Metallic external ancillary equipment is properly bonded, secured and protected from damage.
Towers
  • Locate and isolate relevant items which are part of the R56 Audit
  • Each leg of tower is bonded and ground conductors protected appropriately
  • If used, confirm Tower Ground Bus bar (TGB) is installed and bonded correctly, with protected ground conductors penetrating the earth (presumed bonded to the tower ground ring)
  • Tower ground kits are properly bonded to Tower Ground Bus bar (TGB) or tower
  • Ice Bridge is minimum distance from tower and bonded properly
  • Ground conductors are appropriate gauge

Tower ground kits are properly bonded to Tower Ground Bus bar

Tower Ground Bus bar (TGB) is properly bonded with exothermic

The tin-plated Tower Ground Bus bar (TGB) meets the proper

Each ice bridge / cable support post has been properly bonded

Guyed Tower properly bonded
  • Locate and isolate relevant items which are part of the R56 Audit
  • Properly spaced and protected grounding jumpers according to the latest TIA/222 standards
  • If used, confirm Tower Ground Bus bar (TGB) is installed and bonded correctly, with protected ground conductors penetrating the earth (presumed bonded to the tower ground ring)
  • Tower ground kits are properly bonded to Tower Ground Bus bar (TGB) or tower
  • Ice Bridge is minimum distance from tower and bonded properly
  • Ground conductors are appropriate gauge

Proper mount for a Tower Ground Bus bar (TGB) on a monopole
  • Locate and isolate relevant items which are part of the R56 Audit
    • Wooden
    • Water Tanks
    • Roof-top

Properly grounded and mounted rooftop antenna system

Guy Lines are bonded appropriately with the correct hardware.

Overview of multiple guy wires properly grounded