Attachment 3 Supplamental SOW 2_19_25 buckhorn.pdf

7.1 Supplementary Statement of Work (SOW)

The contractor must provide all materials and services for work required to complete the installation of a new communications shelter at Buckhorn. The site is located on the Wallowa Valley Ranger District, Wallowa Whitman National Forest at the following coordinates: Lat 45N 45’ 19.9” Long 116W 49’ 33.86”. The work provided by the contractor shall satisfy the following:

7.1.1 Shelter Design Requirements

A. The Manufacturer of the shelter shall comply with all applicable nationally recognized building and electrical codes.

B. The shelter shall be a PEPRO LLC. 6’x6’x8’ with an integrated platform to support a 68’ lattice tower with pipe extension for antenna mounting. The mast shall articulate to allow access to the antennas while in the horizontal position.

C. The shelter shall include the following equipment.

a. (2) 19” x 84” equipment racks

b. Overhead cable ladder rack to allow for the distribution of power and RF cables from their respective entry points to the equipment rack

c. Standard 6’x6’ Pepro DC lighting fixtures with LED bulbs, connected to a 1-hour rotary timer switch installed near the shelter entrance

d. (2) Rack mounted battery trays, each capable of supporting (4) Sun Xtender PVX-

1040HT AGM batteries

e. (1) Rack mounted bus bar

f. (1) Main Ground Bus bar (MGB) installed below the RF entry panel

g. (2) Filtered DC entry port tied to the faraday cage

h. (2) Surge protection devices (SPD) for solar array connections, SPDs shall be rated for a 12VDC Solar array

i. (2) Passive ventilation ports that include hoods, louvers, and screens to prevent insects from entering the shelter

j. Previsions to mount solar panels to both the roof and south face of the shelter

k. Solar panel mounts designed to work with the building attachment points

l. The door shall be installed on the West face of the shelter

m. The integrated mast shall be attached to the East side of the shelter and shall articulate to the West over the top of the shelter

n. The manufacturer shall provide (1) 18” mount to attach (1) Telewave ANT150F2 antenna at 70’ and (2) 4” mounts to attach (1) Comprod 872F-70 ¼ wave antennas at 75’ to the mast.

D. The shelter design shall include a faraday cage to protect the equipment from transient voltage spikes

E. The shelter shall include an RF entry panel with 9 ports, the appropriate quantity of boots and cushion inserts to support (2) ½” Heliax cables. The RF entry port, boots, and cushion inserts shall be integrated into the faraday cage. The remaining unused RF entry ports shall be capped with covers that are integrated into the faraday cage.

F. The shelter design shall be such that it can be deployed on bare unimproved land without the need for excavation or foundation construction.

G. The shelter shall be grounded through Ufer pads placed on native surface; due to the no ground disturbance requirements a traditional ground system cannot be part of the solution.

H. The shelter shall be anchored to the land without the use of guy wires or stakes.

I. The shelter and mast system shall be designed on a site-specific basis and must comply with the current version of TIA-222. The mast system shall be designed to support the following antennas and feedlines:

a. Comprod 872F-70, 75’, feedline LDF4-50, 4” standoff, USFS

b. Telewave ANT150F2, 70’, feedline LDF4-50, 18” standoff, USFS

J. The roof of the shelter shall include an integrated anchor point that meets OSHA standard 29 CFR 1926.502(d)(15) capable of sustaining 5,000lbs. (22.2KN) of force.

K. The contractor shall also reference the provided PWS, BOM, Shelter Request Form, and this document for design details.

7.1.2 Shelter Delivery and Installation

A. Prior to installation the shelter shall be delivered to:

3185 11th Street Baker City, Or. 97814

B. The shelter shall be delivered at a minimum of 4 weeks prior to installation.

C. The contractor shall schedule and provide the means to safely offload the shelter at the delivery location.

D. The contractor shall schedule, coordinate, and install the new shelter at the Buckhorn communication site.

E. The road system used to access the Buckhorn communications site is in good condition.

However, the use of a lowboy to transport to and from the site may be a challenge due to tight switch backs.

F. The shelter shall be installed in the location marked out on the ground by the Forest Service Land Mobile Radio staff.

7.1.3 Demolition of Existing Shelter and Tower

A. The contractor shall demolish and dispose of (1) 6’x6’ shelter. The shelter foundation will be left in place.

B. The contractor shall demolish and dispose of the existing 100 tower. The guy anchors will be cut to 18” below the soil and backfilled with native soil. The tower foundation will be left in place.

C. The contractor shall have the existing shelter tested for asbestos prior to backhaul and disposal. The test results shall be provided to the Forest Service as a contract deliverable.

The contractor will need to present the test results at the local landfill to prove the shelter does not contain asbestos.

D. The removal of the existing telecommunications shelter will be done in a way that no damage will occur to remaining structures/equipment.

E. Any damage caused by the removal of the structure will be the responsibility of the contractor to repair.

F. Disposal of all demolition debris is the responsibility of the contractor and shall be discarded in accordance with state, federal environmental regulations as applicable.