A06_Virginia_Peak_-_Layout_Drawings.pdf

Virginia Peak

U.S. DEPARTMENT OF THE INTERIOR

BUREAU OF LAND MANAGEMENT

U.S. DEPARTMENT OF THE INTERIOR

BUREAU OF LAND MANAGEMENTUNITED STATES DEPARTMENT OF THE INTERIOR

BUREAU OF LAND MANAGEMENT

Existing Cabinet VICINITY MAP

Directions to Virginia Peak

From Reno Field Office –1340 Financial Blvd, Reno, NV 89502

1. Head northeast on Financial Blvd toward Wall St 0.3 mi

2. Turn right onto Mill St 0.2 mi

3. Use any lane to turn left onto NV-659/S McCarran Blvd 1.7 mi

4. Turn left onto E Victorian Ave 0.8 mi

5. Turn right onto NV-445 N/Pyramid Way 18.5 mi

6. Turn right onto Iron Wood 4.9 mi

7. Turn right onto Amy Rd 0.4 mi

8. Turn left onto Wilcox Ranch Rd 2.4 mi

9. Turn left onto Quaking Aspen Rd 3.4 mi

10. Slight left onto Microwave Rd 4.6 mi

11. Turn right to stay on Microwave Rd 1.5 mi (existing site on left. New location is up the hill)

Degrees Minutes Seconds Decimal

Latitude: 39° 45' 19.9794" N Latitude: 39.75555 N Longitude: 119° 27' 40.464" W Longitude: 119.46124 W Elevation: 8346 ft. AMSL

Soil Resistivity Testing Layout

External Grounding Layout

Title Sheet

Facility Layout Plan

Soil Resistivity Testing Report

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TITLESHEET NO. DWG. NO.

SHEET INDEX

01/28/2021

01/28/2021

01/28/2021

01/28/2021

01/28/2021

Revision Date

AREA REFERENCE MAP

SYMBOL

INTERSTATE HIGHWAY

U.S. HIGHWAY

STATE HIGHWAY

DESCRIPTIONSYMBOL

STATE CAPITOL

FACILITY LOCATION

BLM FIELD OFFICE

DESCRIPTION

Cabinet Layout3 A2 01/28/2021

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Facility Layout

Virginia Peak

1" = 80'

0 48 80 1600 48 80 160 N

New Location for

PEPRO Cabinet

39° 45' 19.9794" N 119° 27' 40.464" W

Current

Location

PEPRO

Cabinet

(use existing)

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Cabinet Layout

39.0°

= to Lat

To TGBTo TGB

Tower Ground Bus Bar (TGB)

Rack Ground Bus Bar (RGB)

Pass-Through Bus Bar at Electrical Entrance

RF Cable Entrance

20-Foot Articulating Mast

Electrical Entrance Box

Concrete Pedestal with UFER (x4)

E q u ip m e n t E q u ip m e n t

SOLAR PANEL INSTALLATION

SOLAR PANEL GROUNDING

EQUIPMENT GROUNDING (TYPICAL)

Rack Ground Bus Bar (RGB)

#6 AWG, Stranded Green-Jacketed Grounding Conductors Using Single-Hole UL 467 Listed Connectors

Duplexer

18 Repeater

18 Battery Shelf

RGB Grounded to Pass-Through Bar with #2 AWG, Green-Jacketed Grounding Conductor Using Two-Hole UL 467 Listed Connectors

Tower Ground Bus Bar (TGB)

RF Cable Entrance

Exhaust

Air Intake

Ballast Plates

UFER Ground Pads

1- Bay Micro Cabinet

20-Foot Articulating Mast

Exhaust

Air Intake

Electrical Entrance Box

UL 1449 Surge Protection (x2)

100 Amp Filters (x4)

Wiring Entry

Pass-Through Bus Bar

Ground Each Solar Panel and Frame

Soil Resistivity Testing Report

5 10 15 20 Testing Notes

Meter Readings Ω Ω Ω Ω

1 of 2 23 26 N/A 6.7

2 of 2 22 25 N/A 6.4

Soil Resistivity Calculations

5 10 15 20 p = (Ω-cm) p = (Ω-cm) p = (Ω-cm) p = (Ω-cm)

1 of 2 22,023 49,790 N/A 25,661

2 of 2 21,065 47,875 N/A 24,512

Enter Highest Amount (Worst Case) 49,790

Grounding Enhancement Material (GEM) 85%

Calculation with GEM 42,322

Test Completed By

Date

Client/Project

Site Location Name /ID

Ground Resistance Tester

Model:

Serial Number:

Calibration Date:

Soil Description

Ambient Conditions

Top Soil Temperature:

Present Conditions (dry, rain, snow):

Date of last precipitation:

Min Average Max

590 2370 7000

340 4060 16,300

1020 15,800 135,000

59,000 94,000 458,000

NOTES

GEM Can lower the soil resistivity between 15 and

30 % depending on how much is used

TEST DATA

Test Location Spacing (Test Depth) Feet p= 191.5 x A x R p= soil reisistivity in Ω-cm

A = Distance betw een test rods (in feet)

R = Resistance obtained from tester

Test Location

Conversion to (Ω-cm) - AUTO CALCULATION

Same, with varying proportions of sand and gravel

Gravel, sand, stones with little clay or loam

Dry

Two Weeks

Typical Soil Descriptions

Ashes, cinders, brine, waste

Clay, shale, gumbo, loam

GRT300

1989519

Typical Resistivity (approx.), Ω-cm

Testing completed at multiple depths in three separate directions across the existing radio facility. 10-foot Depth shall be used for grounding system design based on 30-inch deep trench with ground rod driven vertically with 6 inches extending above trench bottom.

The highest soil resistance tested at 10-foot measuring 49,790

(Ω-cm), shall be used as a basis for adding additional ground rods to obtain a 25 Ohm or less final resistance to ground of the grounding system.

Single ground resistance is calculated at 136 Ohms. The use of ten 10-foot long, 3/4-inch diameter ground rods is required to achieve 21.2 Ohms 90 Deg. Fahrenheit

90 Deg. Fahrenheit

Robert GaNun

07/20/20

Bureau of Land ManagementT

Virginia Peak

Gravel, sand, stones with little clay or loam

4/27/2020

Extech

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Soil Resistivity Testing Layout

Virginia Peak

3/16" = 1'

N

New Location for Pepro Cabinet

39° 45' 19.9794" N 119° 27' 40.464" W

Highest Soil Resistivity Measurement: = 49,790 Ω-cm

Calculated Single Ground Rod Resistance: = 160 Ω

Grounding System Maximum Resistance: = 25 Ω

Quantity of Ground Rods Required: = 10 Ea.

Calculated Grounding System Resistance: = 21.2 Ω

With use of Grounding Enhancement Material

10 ft. Long, ¾-in. Diameter, Copper Clad Steel

Ground Rod Spacing: = 10 ft.

0 ft. 3 ft. 5 ft. 10 ft.0 ft. 3 ft. 5 ft. 10 ft.

5 ft.

10 ft.

20 ft

Each Test Line Measured at 5, 10 and 20-foot Depths

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1 1

1B1B

Ground Rod - ¾ in. Diameter 10 ft. Long Installed Horizontally Spaced 10 ft. Apart On Center (x10)

5 #2 AWG, Bare, Solid, Tinned Copper Grounding Conductor

Shelter Ground Ring #2 AWG, Bare, Solid, Tinned Copper Grounding Conductor

1B Concrete Encased Electrode Bonded to Ground Ring

20 Ground Solar Panel and Frame to TGB

3 Tower Ground Bus Bar (TGB)

Ground Ring – Ten (10) 10 ft. long x 3/4 in. Diameter Rods = 21.2 Ohms

GROUNDING SYSTEM CALCULATIONS

Soil Resistivity = 42,322 Ω-cm

Backfill with grounding enhancement material (ERICO GEM 25) and low resistance soil. Bags of GEM required to fill 12- inch wide trench 2 inches deep = 43

Rtotal = 21.2 Ω

External Grounding Layout

Virginia Peak

Ground Pass-Thru Bar in Electrical Entrance

Bond Each Pedestal (UFER) to Ground Ring

1B

1B

Ground Shelter Grounding Tab to

Ground Ring

Ground Shelter Grounding Tab to

Ground Ring

Bond Each Pedestal (UFER) to Ground Ring

Bond Each Pedestal (UFER) to Ground Ring

Bond Each Pedestal (UFER) to Ground Ring

Ground Tower Ground Bus Bar to Ground Ring

Ground RF Cable to TGB and Inside to RF Entrance

Ground Solar Panels

10 ft. x ¾- in. Ground Rod

Grade 10 ft. Horizontal Ground Rod Installation

Grounding Enhancement Material 2 in. Deep/12 in. Wide

10 ft. x ¾- in. Ground Rod

Connect Ground Rods with #2 AWG, Bare, Tinned Solid Copper Conductor using Exothermic Welds

GROUNDING SYSTEM COMPONENTS