Amendment_1_-_Questions-Answers_for_Solicitation_1333NDQNB610290_v1.docx

Amendment 1 To Request For Quote 1333ND18QNB610290, Cooling Tower Roll-Up Doors

The purpose of this amendment is to respond to questions and requests for further clarifications, add two clauses to the solicitation and add two additional drawings.

The questions/answers are as follows:

1. Does NIST have a specific type door they require?

Answer: Nothing in addition to the requirements provided in the Statement of Work.

1. Do heaters on the wet door railings need to be replaced?

Answer: Yes, in accordance with section 4.9 of the statement of work

1. Do the door positioner sensors have to be reinstalled?

Answer: Yes, per section 4.5 of the SOW

1. What is the power supply and phasing of electrical to the operating motor?

Answer: 460V 3Ph. 60Hz AC (see attached drawing)

1. Do the grounds around the cooling towers have to be restored to current conditions?

Answer: Yes, any damage to the grounds shall be corrected upon completion of work. Please see the two additional clause being added to the request for quote via this amendment.

1. Does NIST require the control signals to be replaces from the control room to the cooling doors to be opened and closed?

Answer: It is preferred that the current control signals be used. If there is compelling reason that the current control scheme should be changed, justification for the change should be included in the quote.

1. Does NIST required a safety edges on all wet and dry doors?

The contractor should write their quote in accordance with industry best practice

1. What is the height of the tower?

Answer: Approximately 35feet from the gravel around the base to the top of the dry doors on the second level (see attached drawing)

The following clause is added to the solicitation:

FAR 52.236-9, Protection of Existing Vegetation, Structures, Equipment, Utilities, and Improvements (Apr 1984)

(a) The Contractor shall preserve and protect all structures, equipment, and vegetation (such as trees, shrubs, and grass) on or adjacent to the work site, which are not to be removed and which do not unreasonably interfere with the work required under this contract. The Contractor shall only remove trees when specifically authorized to do so, and shall avoid damaging vegetation that will remain in place. If any limbs or branches of trees are broken during contract performance, or by the careless operation of equipment, or by workmen, the Contractor shall trim those limbs or branches with a clean cut and paint the cut with a tree-pruning compound as directed by the Contracting Officer.

(b) The Contractor shall protect from damage all existing improvements and utilities

(1) at or near the work site, and

(2) on adjacent property of a third party, the locations of which are made known to or should be known by the Contractor.

The Contractor shall repair any damage to those facilities, including those that are the property of a third party, resulting from failure to comply with the requirements of this contract or failure to exercise reasonable care in performing the work. If the Contractor fails or refuses to repair the damage promptly, the Contracting Officer may have the necessary work performed and charge the cost to the Contractor.

(End of Clause)

FAR 52.236-12, Cleaning Up (Apr 1984)

The Contractor shall at all times keep the work area, including storage areas, free from accumulations of waste materials. Before completing the work, the Contractor shall remove from the work and premises any rubbish, tools, scaffolding, equipment, and materials that are not the property of the Government. Upon completing the work, the Contractor shall leave the work area in a clean, neat, and orderly condition satisfactory to the Contracting Officer.

(End of Clause)

The Following drawings are added as Attachments:

1. 3.21 Existing Rollup Door Design

2. 3.22 Cooling Tower Dimensions