Attachment_4_-_Cohagen_-_Layout_Drawings.pdf
PDF 2 MB Posted
- Attached to
- GAOA Statewide Radio Infrastructure Federal contract opportunity
- Solicitation number
- 140L3624R0011
About this file
The document appears to be a set of layout drawings for the Cohagen communication facility, which is part of a larger federal contract opportunity. The drawings provide details on the facility layout, shelter layout, and external grounding system. The drawings indicate that the work required includes clearing and installing weed barrier fabric and aggregate, relocating and installing new equipment racks, upgrading the electrical service and grounding system, and other related facility improvements.
The related federal contract opportunity is for the "GAOA Statewide Radio Infrastructure" project, a construction contract under NAICS code 237990 with an estimated value between $250,000 and $500,000. The contract is set-aside for small business concerns, and the Bureau of Land Management is the procuring agency. Key details include a site visit requirement, a question submittal deadline of April 23, 2024, and a proposal due date per Standard Form 1442. The contract will utilize the Invoice Processing Platform (IPP) for payment processing.
View the file
Other files for this federal contract opportunity
Show all 27
On GovTribe
Work with this file on GovTribe
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
COHAGEN
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 Cohagen
From Jordan, MT
1. Head south on MT-59 go 8.3 mi
2. Turn right onto County Road go 12.3 mi
3. Take a slight right on local dirt road go 2.1 mi
4. Take a slight left on local dirt road onto private property
5. Follow dirt road through private property go 1.5 mi
6. Turn left on two track site access road for 0.1 mi
Latitude: 47° 04'22.80"N
Longitude: 106°56'7.00"W
Elevation: 3,439 ft. AMSL
AREA REFERENCE MAP
SYMBOL
INTERSTATE HIGHWAY
U.S. HIGHWAY
STATE HIGHWAY
DESCRIPTIONSYMBOL
STATE CAPITOL
FACILITY LOCATION
BLM STATE OFFICE
DESCRIPTION
Cohagen
Cohagen
Keynotes
Keynotes 01/03/2024
01/03/2024
Shelter Layout3 A2 01/03/2024
Title Sheet
Facility Layout
T1
A1
TITLESHEET NO. DWG. NO.
SHEET INDEX
01/03/2024
01/03/2024
Revision Date
External Grounding
E3
T1 1 5
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T U
N
IT
E D
S T
A T
E S
D E
P A
R T
M E
N T
O F
T H
E I
N T
E R
IO
R
B U
R E
A U
O F
L A
N D
M A
N A
G E
M E
N T
R o b er t G aN u n
/0
/2
R o b er t G aN u n
/0
/2
O R
G U
N
IT
M ile s C it y
Fi el d O ff ic e M o n ta n a
C O
H A
G E
N
ST
A
TE
T1 1 5
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T R o b er t
G aN u n
/0
/2
O R
G U
N
IT
M ile s C it y
Fi el d O ff ic e M o n ta n a
C O
H A
G E
N
ST
A
TE
A1
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T U
N
IT
E D
S T
A T
E S
D E
P A
R T
M E
N T
O F
T H
E I
N T
E R
IO
R
B U
R E
A U
O F
L A
N D
M A
N A
G E
M E
N T
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T
/0
/2
R o b er t G aN u n
A1
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T
/0
/2
R o b er t G aN u n
3/16" = 1'
0 3 5 100 3 5 10
SSTSST
Electrical Service-Entrance (100-Ampere) with Aerial Power Feed
40-Foot Self-Supporting Tower
2 5
O R
G U
N
IT
M ile s C it y
Fi el d O ff ic e M o n ta n a
C O
H A
G E
N
ST
A
TE
FACILITY LAYOUT
Contractor to Clear and Grub Existing Vegetation From
Compound and Install Weed Barrier Fabric and Aggregate
Existing External Grounding System
3/8” = 1'
0 2.4 4 80 2.4 4 8
A2 3 5
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T U
N
IT
E D
S T
A T
E S
D E
P A
R T
M E
N T
O F
T H
E I
N T
E R
IO
R
B U
R E
A U
O F
L A
N D
M A
N A
G E
M E
N T
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T
O R
G U
N
IT
M ile s C it y
Fi el d O ff ic e M o n ta n a
C O
H A
G E
N
ST
A
TE
SHELTER LAYOUT
/0
/2
R o b er t G an u n
D u p le x e r
D u p le x e r
17-Inch Workspace
Behind Equipment
21-Inch Workspace
In Front of Electrical Panel
3 ft.
3 ft. 11.25 in.
Procure and Install Two Equipment Racks for Cooperator Equipment
Relocate BLM-Owned Equipment Racks. Fasten All Racks to the Floor Using Four Anchor Bolts
B L M
B L M
BLMBLM
17 Provide and Install Rack Ground Bus Bar (RGB) On Each New Equipment Rack.
Reroute Existing Grounding Conductors for RGBs Installed on BLM Racks
Raise Existing Cable Ladder 2 inches To Accommodate Relocation of Equipment Racks
Install Rack Bases a Minimum of 36 in. providing 30-in. Workspace Behind Equipment Racks
Provide 36 in. x 30 in Workspace
In Front of Electrical Panel
Cooperator Cabinet Not
Fastened to Floor
Cooperator Cabinet and
Duplexer Not Fastened to Floor
Cooperator Cabinet
Installed on Table
EXISTING SHELTER LAYOUT PROPOSED SHELTER LAYOUT
5Cooperators to Relocate/Install Radio Equipment in New Equipment Racks
Cooperators to Ground Radio Equipment to RGBs in New Equipment Racks
Replace Green-Jacketed Halo Down Conductors with #2 AWG, Bare, Tinned Solid Conductors Bonded to Ground Ring (x4)
Install Primary Type 2 Surge Protection Device at Electrical Entrance Panel
Replace Meter with Combination Meter/ Service-Disconnect Panel
Green-Jacketed Conductors Used to
Bond Halo to External Ground Ring
4 5
E3
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T U
N
IT
E D
S T
A T
E S
D E
P A
R T
M E
N T
O F
T H
E I
N T
E R
IO
R
B U
R E
A U
O F
L A
N D
M A
N A
G E
M E
N T
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T
/0
/2
R o b er t G aN u n
E3
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T
/0
/2
R o b er t G aN u n
3/16" = 1'
0 0 3 0 5 0 10 00 0 3 0 5 0 10 0
O R
G U
N
IT
M ile s C it y
Fi el d O ff ic e M o n ta n a
C O
H A
G E
N
ST
A
TE
EXTERNAL GROUNDING
Existing Grounding Conductor
New Grounding Conductor - #2 AWG, Bare, Solid, Tinned Copper
LEGEND
SSTSST
14 Bond Ice Bridge to each Support Post3Ground Existing Tower Ground Bus Bar (TGB) to Ground Ring
Add Additional Bolt to Each Two-Hole
Ground Kit Connection to EGB x4
Replace Green-Jacketed Halo Down Conductor with #2 AWG, Bare, Tinned Solid Conductors Bonded to Ground Ring
Replace Green-Jacketed Halo Down Conductor with #2 AWG, Bare, Tinned Solid Conductors Bonded to Ground Ring
Replace Green-Jacketed Halo Down Conductor with #2 AWG, Bare, Tinned Solid Conductors Bonded to Ground Ring
Replace Green-Jacketed Halo Down Conductors with #2
AWG, Bare, Tinned Solid Conductors Bonded to Ground Ring
Replace Green-Jacketed Ground Conductor Grounding HVAC with with
#2 AWG, Bare, Tinned Solid Conductors Bonded to Ground Ring
Replace Green-Jacketed Ground Conductor Grounding HVAC with with
#2 AWG, Bare, Tinned Solid Conductors Bonded to Ground Ring
Existing External Grounding System
Keynotes
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T U
N
IT
E D
S T
A T
E S
D E
P A
R T
M E
N T
O F
T H
E I
N T
E R
IO
R
B U
R E
A U
O F
L A
N D
M A
N A
G E
M E
N T
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T
C H
K 'D
B Y
D E
S
IG
N O
F F
IC
E
D E
S
IG
N E
D B
Y
P R
O J E
C T
N O
D R
A W
N B
Y
A P
P R
O V
E D
B Y
D A
T E
U N
IT
E
D S
T A
T E
S D
E P
A R
T M
E N
T O
F T
H E
I N
T E
R
IO
R B
U R
E A
U O
F L
A N
D M
A N
A G
E M
E N
T
KEYNOTES
5 5
O R
G U
N
IT
M ile s C it y
Fi el d O ff ic e M o n ta n a
C O
H A
G E
N
ST
A
TE
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
Self-Supporting Ice Bridge Grounding Section 33 79 20 – Bonding Ancillary Devices to the External Grounding System 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
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
T e d
S u m n e rs
/0
/2
| Cohagen - 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 .