B09_Amd_1_Atch_1_-_Q_A_0001.pdf
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- Attached to
- LAKE25-0026-3 RADIO TOWERS MOD & INSTALL
- Solicitation number
- 140P8125B0014
About this file
This is a Questions and Answers addendum (Version 1) for federal contract 140P8125B0014 addressing the installation of two new communications towers and one tower extension at Hill Top Tower.
The project involves three locations: Hill Top Communications Site (Valmont tower extension), Boulder Beach Ranger Station (60-foot self-supporting tower in Clark County, NV), and Willow Beach Saddle Communications Site (30-foot self-supporting tower in Mohave County, AZ). The government is providing a 10-foot extension for the existing Valmont tower at Hill Top, while the two new towers have no manufacturer preference as long as specifications are met. All new towers must be hot-dipped galvanized and designed to national wind speed standards for their respective counties. Antenna specifications include Comprod 295-70 Yagi antennas (43 inches) and ANT-150F2 antennas at various heights, with all feedlines specified as LMR-600 cable. The 60-foot tower requires two 2-foot stand-offs at the top for antennas at 59 and 55 feet, while the 30-foot tower includes multiple antenna installations at different elevations. The Q&A clarifies that references to a "30FT Direct Embed Monopole" were in error and should be interpreted as a 30-foot self-support tower.
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Text version
TWO COMMUNICATIONS TOWER INSTALLATION AND ONE TOWER
EXTENSION AT HILL TOP TOWER
Addendum to the Specifications 140P8125B0014 Q&A Version 1
Q1: The Specifications for the Hill Top Communications Site Modification identify the existing tower as a Valmont Tower. However, the other two tower locations do not reference a specific manufacturer. Is Valmont the preferred or required manufacture for the two new self-supporting towers to be installed or will equivalent self-supporting towers from other manufacturers that meet all structural and performance specifications be considered acceptable?
A1: The Hill Top tower is specified as Valmont as the Government will be providing the 10ft extension for the existing tower. The other two new towers there are no preferred manufactures as long as specs are meet.
Q2: On page 3 of the specifications, the title references a “30FT Direct Embed Monopole” for the Willow Beach Saddle Communications Site. Given that a direct embed installation typically results in part of the pole being below grade (e.g., 5 feet or more depending on design and soil conditions). Is the 30 foot length referencing the total pole length, meaning approximately 25 feet would remain above finish grade after embedment or is the intent for the pole to have 30 feet of height above finish grade, in which case a longer pole (e.g., 35 feet overall length) would need to be provided to account for the embedment depth?
A2: The reference to a 30ft Direct Embed in the subject of this section was in error. Use the details in the spec description as it calls out a 30ft self-support tower.
Q3: Can you please confirm the wind speed design requirements for all the new tower locations specified in this project?
A3: This will be off of the national standards for Clark County NV for Boulder Beach Ranger Station and Mohave County Arizona for Willow Beach.
Q4: Can you please confirm the specified finish for the new towers? Should they be hot-dipped galvanized, weathering steel (self oxidizing/ rust-colored), or a raw/uncoated finish?
A4: Hot dipped galvanized.
Q5: For the 60’ tower, the solicitation identifies two (2) 2’ stand-offs at the top of the tower with one antenna at 59’ and one at 55’. Are the stand-offs for these two antennas?
A5: Yes, these antennas are the ones to be placed on the two top of tower stand offs.
Q6: For the 60’ tower, the solicitation identifies a 3-element Yagi @ 30’. Can you please specify a model and length?
A6: Comprod 295-70, 43 inches.
Q7: For the 60’ tower, what type and quantity of feedlines are needed at each RAD?
A7: All antenna feed lines are to be LMR-600.
Q8: For the 30’ tower, the solicitation identifies two (2) ANT-150F2 @ 30’ and @ 25ft. Is that one (1) at each height, or two (2) at each height?
A8: One at each height.
Q9: For the 30’ tower, the solicitation identifies two (2) 3- element Yagi @ 18’ and @ 25’. Is that one (1) at each height, or two (2) at each height?
A9: One at each height.
Q10: For the 30’ tower, can you please specify the model or length of the yagi antennas?
A10: Comprod 295-70, 43 inches.
Q11: For the 30’ tower, what type and quantity of feedlines are needed at each RAD?
A11: All antenna feed lines are to be LMR-600.
File details come from the government source that posted it. Updated .