Attachment_8_-_Sheep_Mountain_-_Layout_Drawings.pdf
PDF 2 MB Posted
- Attached to
- GAOA Statewide Radio Infrastructure Federal contract opportunity
- Solicitation number
- 140L3624R0011
About this file
This document contains layout drawings for the Sheep Mountain communication facility, which is part of a federal contract opportunity solicited by the Department of the Interior Bureau of Land Management (BLM) for the remediation of seven communication facilities across Montana.
The federal contract opportunity, solicitation number 140L3624R0011, is for the GAOA Statewide Radio Infrastructure project. It is a construction, firm fixed-price contract with a value between $250,000 and $500,000. The contract is set aside for small business concerns. The drawings for the Sheep Mountain facility provide details on the site location, facility layout, shelter layout, and external grounding system. Key requirements include installing a new self-supporting tower, combination meter/service disconnect panel, equipment racks, and grounding system upgrades. The solicitation requires offerors to submit proposals by the response date listed in Standard Form 1442, with questions due by April 23, 2024.
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Text version
SHEEP MOUNTAIN
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 Sheep Mountain
From Miles City, MT
1. Head east on I-94 go 34.6 mi
2. Take exit 176 for Mt-253 toward Terry go 0.2 mi
3. Turn left on MT-253/Ten Mile Rd go 23.5 mi
4. Turn left onto Big Sheep Mountain Road go 6.3 mi
5. Turn left on two-track site access road go 0.2 mi
Latitude: 47° 02'42.35"N
Longitude: 105°43'35.48"W
Elevation: 3,592 ft. AMSL
AREA REFERENCE MAP
SYMBOL
INTERSTATE HIGHWAY
U.S. HIGHWAY
STATE HIGHWAY
DESCRIPTIONSYMBOL
STATE CAPITOL
FACILITY LOCATION
BLM STATE OFFICE
DESCRIPTION
Sheep MountainSheep Mountain
Keynotes
5 Keynotes 01/03/2024
01/03/2024
Shelter Layout3 A2 01/03/2024
Title Sheet
Facility Layout
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01/03/2024
01/03/2024
Revision Date
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Electrical Service-Entrance (100-Amp) with Below Ground Power Feed
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 6.25 Ohms
37 ft. 6 in.
Rusted Meter/Service Disconnect Panel
Remove Channel Bracket Used to Support
RF Cables Between Tower and Shelter
Install new Self-Supporting Ice Bridge
Install New Combination Meter/
Service-Disconnect Panel
3/8” = 1'
0 2.4 4 80 2.4 4 8
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EXISTING SHELTER LAYOUT PROPOSED SHELTER LAYOUT
BLM BLM
18 in.
1 ft. 1.75 in.
32 in.
CountyCounty
MHPMHP
DNRC
BLM BLM
30 in.
CountyCounty
DNRC
30 in.
MHP
32 in.
30 in.
32-Inch Workspace
In Front of Electrical Panel
25-Inch Workspace
In Behind Equipment 18 in. Ingress/Egress
MHP to Relocate/Install Radio Equipment in New Equipment Rack
Procure and Install New Equipment
Rack for MHP Equipment
Cooperators to Ground Radio Equipment to RGBs in New Equipment Racks 7
Relocate BLM-Owned Equipment Racks providing 30-in. Workspace Behind Equipment Racks
Fasten All Racks to the Floor Using Four Anchor Bolts
Fasten All Racks to the Floor
Using Four Anchor Bolts
Provide and Install Rack Ground Bus Bar (RGB) On Each Equipment Rack. 8
Install Primary Type 2 Surge Protection Device at Electrical Entrance Panel
Ground BLM Radio Equipment to RGBs in each Equipment Rack7
Internal Perimeter Halo
Missing 4 in. Gap
16 Cut Halo to Provide Minimum 4 in. Gap Between Conductors
Provide 36 in. x 30 in Workspace
In Front of Electrical Panel
2 5 Ground Existing Master Ground Bus Bar (MGB) Directly to External Grounding System with #2 AWG, Bare, Tinned Solid Copper Conductor
Existing Grounding Conductor
New Grounding Conductor - #2 AWG, Bare, Solid, Tinned Copper
LEGEND
New Grounding Conductor - #2 AWG, Green-Jacketed, Stranded Copper
36 in.
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EXTERNAL GROUNDING LAYOUT
Existing Grounding Conductor
New Grounding Conductor - #2 AWG, Bare, Solid, Tinned Copper
LEGEND
14 Ground Each Support Post and Bond
Ice Bridge to each Support Post
Ground Fence Corner Posts, Fabric and Deterrent Wiring
Existing External Grounding System
Measures 6.25 Ohms
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Ground Fence Corner Posts, Fabric and Deterrent Wiring
Ground Fence Corner Posts, Fabric and Deterrent Wiring
Ground Fence Corner Posts, Fabric and Deterrent Wiring
18Ground Each Gate Post and Bond Gate to Gatepost
Install New Self-Supporting Ice
Bridge with Two Support Posts
13Ground HVAC Chassis 13 Ground HVAC Chassis
3 Install Tower Ground Bus Bar (TGB)
21 Install Ground Kit on Each RF
Cable and Bond to TGB (x3)
21 Install Missing Ground Kit on each
RF Cable and Bond to EGB (x1)
Ground Internal Master Ground Bus Bar Directly to External Ground Ring with
#2 AWG, Bare, Tinned Solid Routed Downward through new Sealed Hole
Remove Existing Grounding Conductor Routed
Up and Out the RF Entrance Bonded to the EGB
Fasten Existing RF Cables Below Ice Bridge to Trapeze Installed in 24-in. Increments
Keynotes
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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
Fence Corner Post Grounding Section 33 79 20 – Bonding Ancillary Devices to the External Grounding System 3.3 A
Fence Fabric Grounding Section 33 79 20 – Bonding Ancillary Devices to the External Grounding System 3.3 B
Fence Deterrent Wire Grounding Section 33 79 20 – Bonding Ancillary Devices to the External Grounding System 3.3 C
Fence Gate and Gatepost Grounding Section 33 79 20 – Bonding Ancillary Devices to the External Grounding System 3.3 D
New Self-supporting Ice Bridge Section 33 82 33.23 – RF Cable Ice-Bridge ALL
RF Cable Grounding Section 27 05 10 – Cable and Wire Installation 3.13
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
Internal Perimeter Ground Section 33 79 85 – Internal Perimeter Ground Bus ALL
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
New Electrical Service Disconnect Section 26 27 13 – Electricity Metering 2.2
Primary Electrical Surge Protection Section 26 43 13 – Electrical Surge Protection Devices ALL
New Equipment Rack Section 27 11 16 – Equipment Rack ALL
Equipment Rack Spacing Section 27 11 16.13 – Equipment Rack/Cabinet Installation 3.2
Equipment Rack Anchoring – Standard Section 27 11 16.13 – Equipment Rack/Cabinet Installation 3.3 & 3.4
Radio Equipment Installation in Racks/Cabinets Section 27 11 16.23 – Equipment Installation in Racks and Cabinets 3.1
Ancillary Device Installation in Racks/Cabinets Section 27 11 16.23 – Equipment Installation in Racks and Cabinets 3.2
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| Sheep Mountain - Layout Drawings.vsdx |
| T1 - Title Page Template |
| A1 - Facility Layout |
| A2 - Shelter Layout |
| E3 - EXTGRD |
| Keynotes |
File details come from the government source that posted it. Updated .