Attachment_6_-_Grizzly_Peak_-_Layout_Drawings.pdf
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- Attached to
- GAOA Statewide Radio Infrastructure Federal contract opportunity
- Solicitation number
- 140L3624R0011
About this file
This document contains layout drawings for the Grizzly Peak communications facility, which is part of a larger Bureau of Land Management (BLM) project to remediate seven existing communications facilities across Montana. The drawings provide detailed information on the facility layout, shelter layout, and external grounding layout for the Grizzly Peak site. Key details include the location of the Grizzly Peak facility near Red Lodge, Montana, a 40-foot self-supporting tower, equipment racks, grounding requirements, and other site infrastructure. This information is intended to support an upcoming construction solicitation for the GAOA Statewide Radio Infrastructure project, which has an estimated contract value between $250,000 and $500,000. The solicitation is set-aside for Small Business Concerns and requires proposals to be submitted by a specific date.
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Text version
GRIZZLY PEAK
U.S. DEPARTMENT OF THE INTERIOR
BUREAU OF LAND MANAGEMENT
U.S. DEPARTMENT OF THE INTERIOR
BUREAU OF LAND MANAGEMENT
UNITED STATES DEPARTMENT OF THE INTERIOR
BUREAU OF LAND MANAGEMENT
FACILITY IMAGE VICINITY MAP
Directions to Grizzly Peak
From Red Lodge, MT
1. Head south on Broadway Ave (US 212) go 1.2 mi
2. Turn right on West Fork Road go 2.8 mi
3. Turn right onto Ski Run Road go 3.3 mi to Red Lodge Ski Area
4. Turn right after parking lot to locked gate
5. Follow access road to site on right go 1.0 mi
Latitude: 45°11'38.90"N
Longitude: 109°20'20.50"W
Elevation: 7,797 ft. AMSL
AREA REFERENCE MAP
SYMBOL
INTERSTATE HIGHWAY
U.S. HIGHWAY
STATE HIGHWAY
DESCRIPTIONSYMBOL
STATE CAPITOL
FACILITY LOCATION
BLM STATE OFFICE
DESCRIPTION
Grizzly Peak Grizzly Peak
Keynotes
5 Keynotes 01/03/2024
01/03/2024
Shelter Layout3 A2 01/03/2024
Title Sheet
Facility Layout
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SHEET INDEX
01/03/2024
01/03/2024
Revision Date
External Grounding Layout E3
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40-Foot Self-Supporting Tower
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FACILITY LAYOUT
Contractor to Clear and Grub Existing
Vegetation From Compound and Install
Weed Barrier Fabric and Aggregate
Existing External Grounding System
Measures 2.57 Ohms
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SHELTER LAYOUT
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R o b er t G an u n
Remove #6 AWG Grounding Conductor Between SSGB and MGB and Ground SSGB to MGM with two #2 AWG, Green-
Jacketed Grounding Conductors using Two-Hole Connectors
3Fasten Equipment Racks to the Floor Using Four Anchor Bolts
Battery
Charger
Battery
Charger
GNB
Batteries
3 Fasten Combiner Racks to the Floor Using Twelve Anchor Bolts
Remove Battery Chargers and
GNB Batteries from the Shelter
BLMMHP FBI
Ground BLM Radio Equipment to RGBs in each Equipment Rack
7 18
8 17 Provide and Install Rack Ground Bus Bar (RGB) On BLM Equipment Rack Grounded to MGB
Provide and Install Rack Ground Bus Bar (RGB) On Each Equipment Rack Grounded to MGB 8 17
SSTSST
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EXTERNAL GROUNDING LAYOUT
Existing Grounding Conductor
New Grounding Conductor - #2 AWG, Bare, Solid, Tinned Copper
LEGEND
Ground HVAC Chassis
3 Ground Tower Ground Bus Bar (TGB) Directly to Ground Ring
21 Install Ground Kits on 2 of 9 RF Cables and Bond to TGB
2Ground Internal Master Ground Bus Bar Directly to
External Ground Ring with #2 AWG, Bare, Tinned
Solid Routed Downward through new Sealed Hole
Existing External Grounding System
Measures 2.57 Ohms
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1/8" = 1'
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Remove Grounding Conductor Bonded between TGB and
Tower Leg Grounding Conductor
14 Ground 1 of 2 Ice Bridge Posts and Bond Ice Bridge to Each Post
Install Ground Kits on 9 RF Cables and Bond to Existing External Ground Bus Bar (EGB)
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DESCRIPTION KEYNOTE SECTION PARAGRAPH
Tower Ground Bus Bar Section 33 79 86 – Ground Bus Bars at Remote Facility 3.3
#2 AWG, bare solid tinned copper Conductor Section 33 79 83 – External Grounding Conductors 2.1
External Ancillary Device Grounding Section 33 79 20 – Bonding Ancillary Devices to the External Grounding System 3.1 & 3.2
Self-Supporting Ice Bridge Grounding Section 33 79 20 – Bonding Ancillary Devices to the External Grounding System 3.4
RF Cable Grounding Section 27 05 10 – Cable and Wire Installation 3.13
RF Cable Surge Protection Section 27 05 10 – Cable and Wire Installation 3.14
Spare RF Cable Termination Section 27 05 10 – Cable and Wire Installation 3.15
Master Ground Bus Bar – Remote Section 33 79 86 – Ground Bus Bars at Remote Facilities 3.4
#6 AWG, Green-Jacketed Stranded Copper Section 33 79 84 – Internal Grounding and Bonding Conductors 3.1
#2 AWG, Green-Jacketed Stranded Copper Section 33 79 84 – Internal Grounding and Bonding Conductors 3.1
Rack Ground Bus Bar Section 33 79 84.16 – Rack Ground Bus Bars ALL
Rack Mounted Equipment Grounding Section 27 11 16.23 – Equipment Installation in Racks and Cabinets 3.1
Equipment Rack Anchoring – Standard Section 27 11 16.13 – Equipment Rack/Cabinet Installation 3.3 & 3.4
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| Grizzly Peak - Layout Drawings.vsdx |
| T1 - Title Page Template |
| A1 - Facility Layout |
| A2 - Shelter Layout |
| E3 - EXTGRD |
| Keynotes |
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