Attachment G - Addendum No. 1 Cellular Booster Kit 2020.09.01_0001.pdf
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- Attached to
- WV-NCTC DIV OF FAC CAMPUS EV CHARGING ST
- Solicitation number
- 140F0920B0004
About this file
This addendum provides clarification regarding the requirements for an electric vehicle charging station project at the National Conservation Training Center in Shepherdstown, West Virginia. It specifies that bidders must provide a complete cellular booster kit, including an approved booster, cables, antennas, wiring, and connection to power to boost a weak cellular signal for the EV charging stations. The kit must be commercially graded, UL listed, and equal in quality to the Uniden U70P 4G Cellular Booster Kit. Bidders must also conduct a field strength survey, provide outdoor Yagi directional antennas, and a two-way expansion kit with additional components. The booster must be installed in the metal panelboard enclosure and operate between -25°C to 55°C with 5-95% relative humidity. Submittals and a wiring diagram are required along with demonstrations and instructions upon project completion.
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97 Park Street, Springfield, VT 05156 802.591.4326 www.dubois-king.com
Offices in Vermont, New Hampshire, Maine and New York
ADDENDUM NO. 1
RE: USFWS EV Charging Station (F17PC00091) (D&K 525972L)
National Conservation Training Center (NCTC)
Shepherdstown, WV
DATE: September 1, 2020
Following is a list of clarifications and items that shall be part of the bid documents and shall be incorporated in the contract for the electrical work on the USFWS EV Charging Station at the National
Conservation Training Center in Shepherdstown, WV. Acknowledgement of receipt of this Addendum and its date must be indicated on the Bid Form. This Addendum consists of a total of two (2) pages.
Addendum No. 1
Item A
Provide a complete cellular booster kit at the Electrical Panelboard enclosure to provide cellular signal boosting that will be complete with an approved Cellular Booster, cables, antennas, wiring and the connection to the power source. Systems shall be equal to Uniden, Wilson Pro, HiBoost or approved equal, the equipment shall be of a commercial grade; UL listed and be designed to boost a very weak cellular signal to an acceptable signal strength to enable the EV charging stations to work properly.
A. The system shall be complete with outdoor antennas to provide cellular coverage to support the
EV charging stations as well as a Yagi (or other approved directional antenna).
B. A field strength survey shall be conducted prior to submittal of shop drawings to properly provide a suitable signal booster system.
C. The manufacturer listed has been provided for information only as to the quality. Equal to
Uniden® U70P 4G Cellular Booster Kit, U70P 4G Kit, 4020CPALK-4020CPAL-367-104-374-
103-97. Outdoor Antenna: Uniden® Outdoor Yagi Directional Antenna 11, cable (length as required), antenna mounting pole shall be HD galvanized or aluminum with all mounting hardware and fittings (height to be field determined for optimum signal strength). Provide a
Uniden® 2 Way Expansion Kit 803K-119-331-363-103 complete with cable or approved equal products: Uniden® U5D Low Loss Coaxial Cable 3 feet (1m) or equal, Splitter: Uniden® 2 Way
Splitter or equal, (2) Uniden® Outdoor Panel Directional Antennas and cables for the EV charging station signals reception.
D. Provide a 1 pole -20A, 120V breaker matching panel type & style being provided in Panel
EVBG. Utilize a 1/2”c w 2#12, 1#12G from panelboard to the booster and provide a JB for hard wired or a duplex receptacle (if unit is provided with a 120V cord). Locate the booster on the
USFWS EV Charging Station (F17PC00091) ● September 1, 2020 ● Page 2 of 2 interior backboard of the metal NEMA 4X stainless steel panelboard enclosure for the Red and
Green EV charging stations. Provide suitable exterior signal antennas for signal reception.
E. All equipment shall have a 1-year warrantee. Operating Temperature (-25 ºC ~ +55 ºC).
F. Relative Humidity - 5% - 95%. IP40 listed.
G. Provide Submittals and wiring diagram per Section 01 3300 of the specifications.
H. Operation and Adjustment of Equipment
a. As the system is put into operation, all items of equipment included therein shall be adjusted to proper working order. This shall include balancing and adjusting voltages and currents; verifying signal strengths and adjusting all operating equipment.
I. Operating Demonstration and Instructions
a. Set the various systems into operation and demonstrate to the COR that the systems function properly and that the requirements of the Contract are fulfilled.
b. Provide the COR with detailed explanations of operation and maintenance of equipment and systems.
c. A thorough review of the operating and maintenance manuals shall be included in these instructional meetings.
J. O & M Manuals shall be submitted, reviewed and approved prior to scheduling of demonstrations. A minimum of 4 hours shall be allowed for instructions to personnel selected by the COR. Instructions shall include not less than the following:
a. Show location of items of equipment and their purpose.
b. Review binder containing instructions and equipment and systems data.
c. Coordinate written and verbal instructions so that each is understood by personnel.
d. Manufacturer’s representatives for the various special and communication systems shall give separate instructions.
e. All operating demonstrations and instructions for each system shall be audio/video digitally recorded and turned over to the COR.
K. A minimum of 7 days continuous trouble-free operating time shall be acceptable to prove that the systems function properly.
Item B
Change Specification Section 262653 Part 2 2.01A. to read as follows:
A. Provide Basis of Design Product: Provide ChargePoint CT4000 family of electric vehicle charging stations for commercial applications or EV Charging Station from Siemens, or approved equal.
END OF ADDENDUM NO. 1
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