Attachment 6 - Questions and Answers.pdf

FA5215-20-Q-9001

Eareckson Air Station GATR Tower Installation

Questions & Answers

Q1: Where is the government supplied tower currently located? (PWS 3.1.1.2) A1: The PWS only specifies the antennas as Government Furnished Property. The contractor is responsible for supplying the tower based on requirements listed in the PWS section 3.2.

Q2: How much does the government supplied tower weigh?

A2: SEE ANSWER TO QUESTION 1.

Q3: Are there any drawings of the tower?

A3: SEE ANSWER TO QUESTION 1

Q4: Does “Provide all Manufacturer’s assembly drawings” mean the tower assembly drawings will be provided by the supplier? (PWS 4.1.2) A4: Yes. Once the tower is procured, the contractor shall provide the government with the manufacturer’s assembly drawings.

Q5: Will any assembly drawings accompany the tower provided by the supplier of the tower?

(PWS 3.1.1.3)

A5: SEE ANSWER TO QUESTION 4

Q6: Do we design and supply the ladders? Or is that supplied by the tower supplier? (PWS 3.2.1(e))

A6: SEE ANSWERS TO QUESTIONS 1 AND 4

Q7: Does PWS 3.2.1 Section (k) refer to Section (j)?

A7: This section is referring to the bill of materials required to install all antennas on the new tower.

Q8: Can we cutting the existing utility poles at ground level or slightly below grade?

A8: The existing poles can be cut slightly below grade as long as it does not impede on construction of new concrete foundation.

Q9: Regarding transportation of workers: Does the Air Force or DoD have any scheduled flights from Alaska or mainland U.S. that we can utilize to move workers?

A9: Regularly scheduled rotator (13 seat G-IV, M/W/F during construction season, M/W during off-season) from JBER AMC Terminal to EAS Air Terminal. Cost: $1,873 (DoD, Non-DoD, FMS); $1,949 (Non-US Govt.)

Q10: Does the port at EAS allow vehicles to be driven on and off of vessels?

A10: Yes.

Q11: Does the port at EAS have a crane for unloading?

A11: No.

Q12: In the PWS Section 1.2 description, I count 6 antenna to be removed from RX-1 and reinstalled on new 50 ft steel tower. Is this correct?

A12: That is correct. The description of the antennas are listed in this section.

Q12a) Is the contractor responsible for the performance of these used antenna after reinstallation? How is it known they perform to manufacture specification prior to removal?

A12a) Not answered.

Q12b) Are we to repurpose these antennas on the new tower (remove from pole platform and reinstall on new tower)?

A12b) Correct. Section 1.2 of the PWS says that the antennas will be made available for contractor modification and installation.

Q12c) Are we able to remove all at one time?

A12c) Not answered.

Q13: Is there a barge service available for shipment of concrete material?

A13: At least one barge per year supplies the island. Some tenant companies send their own barge yearly as well. Items submitted NLT 25 Nov 20 to ASRCC to develop bulk supply list.

Q14: Is there a source for concrete materials on the island?

A14: No.

Q15: If the Government is supplying to tower, what is the tower materials shipping weight and volume?

A15: SEE ANSWER TO QUESTION 1

Q16: Who is the tower supplier? Is the Government supplying the tower? (PWS 3.1.1.3)

A16: SEE ANSWER TO QUESTION 1

Q17: Is the awarded contractor to fully remove Platform #1 and backfill pole holes? Leaving these materials stacked next to Platform #2? (PWS 3.1.1.4) A17: Yes. The awarded contractor is to salvage all good condition wood from platform 1 and place it next to platform #2.

Q18: Is there base specific requirement for the type of ob-light? (PWS 3.2.1(b)) A18: Per UFC 3-535-01 Visual Air Navigation Facilities, section 6-8.1, the requirement for obstruction lights are as follows: Obstruction lights intended for day marking must remain on at all times and have automatically selected reduced intensity levels for night operations. Other obstruction lights must be on when the northern sky illumination falls on a vertical surface to a level of not less than 35 footcandles (350 lux), or during daytime, when visibility is restricted.

The lights may be turned off when the northern sky illuminance rises to a level of 58 footcandles (580 lux) or more. If practicable, obstruction lights should be controlled from the airfield lighting control panel. Otherwise use automatic controls and provide an auxiliary manual control (that can be locked) at ground level on the exterior of the object to be lighted

Q19: The foundation design from the tower manufacturer will specify the slab on grade concrete amount. Is the contractor to quote the 25 yards or the amount in the provided design? (PWS 3.2.1(b)) A19: The contractor shall quote the amount of necessary concrete provided in the design.

Q20: Is there a specific model or size of ice bridge i.e. 12” wide? (PWS 3.2.1(c)) A20: Not answered. This is design-centric.

Q20a) The standard ice bridge channel is 10’ in length. Is the two poles for supporting two channel sections or a pole at each end of the single channel?

A20a) Not answered.

Q20b) If the length of the total ice bridge length is 10’, is it permissible to support the ice bridge channel on the tower and the building deleting the need for any ice bridge poles?

A20b) Not answered.

Q20c) Does the government expect a direct bury post or a post on pier system?

A20c) Not answered.

Q21: What is the approximate distance for cable run inside bldg. 629? (PWS 3.2.1(f)) A21: Further clarification needed. Will the run be going to the same rack that houses the radios currently?

Q22: What is the approximate distance for cable run outside bldg. 629 to base of tower cable ladder? (PWS 3.2.1(f)) A22: 47ft

Q23: Is the tower to be designed as stated OR per the EIA/TIA 222-G? (PWS 3.2.1(g)) A23: Please base design on the more stringent requirement. IF EIA/TIA 222-G has a higher wind speed and ice accumulation, please use that design parameters over the list PWS requirements.

Q24: What type of exterior wall construction is bldg. 629? What is the wall thickness and material? (PWS 3.2.1(h)) A24: 6" Concrete

Q25: Where and how many feet is the breaker panel from the building entry location? Is the J Box existing or contractor supplied? (PWS 3.2.1(i)) A25: 12 ft. Contractor supplied.

Q26: What is the purpose of the 4” conduit? Is PVC or steel required? (PWS 3.2.1(j)) A26: The conduit is for the antennas cabling and for future antenna cables.

Q27: PWS Section 3.2.1(k) is unclear. Is this for reinstalling GFE? Does this include the ½” Heliax?

A27: Yes, this is to cover the reinstallation of the GFP antennas; this includes all materials and labor to have all antennas fully operational.

Q28: Does the Government require tower grounding on this project? If so, to what specification?

A28: Yes, grounding is required. Please follow the most current AFI 32-1065 (Grounding Systems) and follow all equipment manufacture recommendations

Q29: Do the installed antenna and cabling require grounding? If so, to what specification?

A29: Yes, grounding is required. Please follow the most current AFI 32-1065 (Grounding Systems) and follow all equipment manufacture recommendations

Q30: Is this coax BOM provided by the Government?

A30: No, the contractor will need to furnish and install cabling to ensure fully operational antennas.

Q31: If contractor provided, can the contractor use factory supplied standard length jumpers of 6’ or 10’?

A31: Yes, the contract can furnish factory supplied jumpers as long as they meet UFGS requirements and meet the manufacture recommendations

Q32: What coax connectors (type and sex) are used on each end of the mainline and jumpers?

A32: Not answered. This is design-centric.

Q33: Does the WPR begin at contract award, or beginning of submittal process, or upon mobilization to jobsite? (PWS 4.3) A33: Yes, the WPR will begin when the Notice to Proceed is issued and will continue for the duration of the Period of Performance

Q34: Will any drawing be required for the interior or exterior of bldg. 629? (PWS 4.4.3) A34: If any modification are made to bldg. 629, the contractor shall show and annotate the change in the as-builts.

Q34a) Will a tower site layout drawing be required?

A34a) Yes, a site layout drawing is required, the drawing and design needs to show drainage, ground locations, utilities, etc.

Q34b) Does the Government require any drawings with Professional Engineers stamp? If so, please specify.

A34b) All drawings depicting the design of the tower shall be reviewed and stamped by a professional structural engineer.

Q35: Who/What department provides this authorization? What is the typical timeline for submittal to approval? (PWS 4.5)

A35: The 611th CES in conjunction with the base lead on site will approve the dig permit, the approval process can take up to two week to complete and get approval for the contractor.

Q36: What is the Government’s expectation of as-built drawings? (PWS 4.6) A36: The government should receive 100% complete as-built drawings during the close out process as AutoCAD files either emailed or put on a disk.

Q36a) What does the drawing package consist of?

A36a) Yes, the government requires As-Builts. Please reference and included e verything listed in UFGS 01 78 00 CLOSEOUT SUBMITTALS

Q36b) How are as-built drawings to be delivered (electronic, paper, other, quantity)?

A36b) Please reference and included everything listed in UFGS 01 78 00 CLOSEOUT SUBMITTALS. The government requires 2 hard copies and a digital copy for all submittals

Q37: Will the Government require Geotechnical-Soils reports for producing foundation design?

Or does the Government have a current report to provide?

A37: The government will provide a soils report that was completed in January 2002:

GEOTECHNICAL REPORT for the DEFENSE SATTELITE COMMUNICATIONS SYSTEM EARTH STATION EARECKSON AIR STATION, SHEMYA ISLAND, ALASKA. This is not the exact location but should provide a starting guide. If the designer feels this is not sufficient, then the designer will need to just assume worst case and base design on worst case soil conditions.