Attachment 3 Supplemental SOW Ruby Bluff.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 Ruby Bluff. The site is located on the Yuba River Ranger District, Tahoe National Forest at the following coordinates: Lat 39N 30’ 41.08” Long 120W 50’ 42.18”. The contractor will be required to obtain construction bonding and requisite insurance sufficient to support the construction and/or demolition, as applicable. 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. 8’x12’x8’ with an integrated 52’ mast. The mast shall articulate to allow access to the antennas while in the horizontal position.

C. The shelter shall include the following equipment.

a. (6) 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 racks

c. Standard 8’x12’ Pepro DC lighting fixtures with LED bulbs, connected to a 1-hour rotary timer switch installed near the shelter entrance

d. (3) Rack mounted battery trays, each capable of supporting (2) Full River DC

1150-2 AGM batteries, trays to be installed in the rack nearest to the wall and Power entry panel

e. (1) Rack mounted bus bar installed in the rack with the battery trays

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

g. (1) Filtered DC entry port tied to the faraday cage

h. (1) Filtered AC entry port tied to the faraday cage

i. Standard 8’x12’ Pepro AC power layout

j. (1) Surge protection devices (SPD) for solar array connections, SPDs shall be rated for a 48VDC Solar array

k. (1) Surge protection devices (SPD) for AC power connections, SPDs shall be rated for a use with commercial power

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

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

n. (1) Solar panel mount kit designed to work with the building attachment points

o. The door shall be installed on the South face of the shelter

p. 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

q. The manufacturer shall provide (4) double 18” standoff mounts to attach (6)

Telewave ANT150F2 antennas and (2) Amphenol BA6110-1 antennas to the mast with two antennas at each of the following heights: 52’, 46’,40’,30’.

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 (8) ½” Heliax cables, 2 cables per boot. 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. Telewave ANT150F2, 52’, feedline LDF4-50, 18” standoff, USFS

b. Telewave ANT150F2, 52’, feedline LDF4-50, 18” standoff, USFS

c. Telewave ANT150F2, 46’, feedline LDF4-50, 18” standoff, USFS

d. Telewave ANT150F2, 46’, feedline LDF4-50, 18” standoff, USFS

e. Telewave ANT150F2, 40’, feedline LDF4-50, 18” standoff, USFS

f. Telewave ANT150F2, 40’, feedline LDF4-50, 18” standoff, USFS

g. Amphenol BA6110-1, 30’, feedline LDF4-50, 18” standoff, USFS

h. Amphenol BA6110-1, 30’, 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:

12019 Charles Drive Grass Valley, Ca. 95945

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 Ruby Bluff communication site.

E. The road system used to access the Ruby Bluff 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

A. The contractor shall demolish and dispose of (1) 6’x6’x8’ concrete shelter. Demolition shall be to 18” below grade and backfilled with certified weed free ¾” minus rock

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

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

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

E. Remove and dispose of (1) 40’ wood pole

7.1.4 Commercial Power

A. Supply and install Customer-Owned Pole IAW the PG&E Requirements for the Customer-Owned Poles.

B. The pole shall be placed no more than 8 feet from the location of the new shelter.

C. Supply and install meter base with integrated service disconnect switch and conduit with weather head IAW the PG&E Requirements for the Customer-Owned Poles.

D. Excavate a 24” deep trench between the service disconnects located on the customer owned utility pole and the new shelter location.

E. Place PVC conduit in the trench, conduit shall be adequately sized for 100-amp service.

F. Install conductors in conduit, conductors shall be adequately sized for 100-amp service.

G. Connect conduit to the base of the service disconnect and power entrance panel on the new shelter.

H. Shelter shall be placed within 8 feet of the newly installed pole.

I. Connect shelter to new electrical service and perform test of termination and conductors.