RFP SC-21-538 Ames Lab Spedding Hall Masonry Repair Project - Addendum 2.pdf

RFP SC-21-538 Spedding Hall Masonry Repairs

Addendum No. 2 Dated 11/17/2020

• The existing HVAC ducts adjacent to the west wall of the Fan Room will remain in their current position, as they must remain operational at all times. They will not be temporarily removed.

Therefore, the contractor is to accommodate working around these ducts. Ames Laboratory understands that there may be a few locations where it is impossible to access mortar joints with a grinder. Contractor is to address these joints with smaller equipment and/or hand tools.

• Specification Section 01 51 00 – Temporary Utilities o Article 1.03 Temporary Electricity

Paragraph A: Change Cost to be “by Ames Laboratory for power consumed while connected to existing circuits provided by Ames Laboratory in Paragraph B. Any additional power necessary to accomplish the work is to be paid for by the Contractor.”

Paragraph B: Modify to read: “There is limited excess power capacity on site.

Electrical power will be provided by Ames Laboratory, up to two (2) 30amp circuits. All wire whips and connections to existing power to be provided by the Contractor. Contractor shall furnish their own portable generator and/or air compressor as required to power up all tools and equipment.”

• Approved Product Substitutions:

o Section 04 01 00-2 Article 2.04 – Water Repellant

ProSpec Concrete & Masonry Sealer WB

• Questions Submitted and Ames Laboratory Responses: No questions were submitted in writing which would require a response in this Addendum 1.