QA's_-_Paint_Exterior_Hangars_B821 _822 _870.pdf

20 March 2015

IFB#: FA6633-15-B0001

PAINT EXTERIOR HANGAR BUILDINGS 821, 822 & 870

PROJECTS: QJKL 13-0013 (BLDG 821 & 870) AND QJKL 13-0014 (BLDG 822)

QUESTIONS AND RESPONSES (Q&As):

1. QUESTION: (from Evco Painting):

How much square footage lead removal calls for and how much abrasive blasting is needed?

RESPONSE: The only abrasive type blasting that is required is identified on the drawings with key notes. The estimated square footages are included in the specifications under section 09 06 90, the amount of lead paint removal will be based off of the Lead Based Paint table at the end of the specifications and EPA guidelines. If the Lead based paint is in acceptable condition to be painted over within manufacturers standards and no abrasive blasting is called for in that location, the lead based paint can remain.

2. QUESTION: (from Paris Painting):

a. Will sand blasting be permitted and if so, what are the containment requirements?

b. Will soda blasting be permitted and if so, what are the containment requirements?

RESPONSE: According to specification section 09 90 00 3.5.2 abrasive blasting is not allowed, waterjet cleaning is however allowed in accordance with SSPC SP 12/NACE No 5.

////////////////////////////////////LAST QUESTION////////////////////////////////////////

Bids remain due on 31 March 2015, 1:00pm (CST) in building 729, room 118.