Q A Round 5.pdf

27 May 2011

Invitation for Bid (IFB) W912PQ-11-B-0002 - Squadron

Operations Building #369

Pre-Bid Questions & Answers (5):

52. Specification 10400 - PROJECT CORDINATION

Specification section 1.5 CONTRACTOR’S STAFF - A) Contractor's project manager, B) Contractor's quality control manager, C) superintendent, D) Construction Quality control Manager, E) Contractor's sub contract manager, and E) Safety manager.

Can our competent onsite Superintendent/Project Manager perform all above responsibility? If not, how many on-site project staff personnel are you looking for?

Answer: Depending on qualifications we are expecting a Job Superintendent, a quality control, and a safety Manager. If qualified the quality control and safety Manager can be the same person. The rest of the required personnel must be assigned to the project but do not have to be on-site on a full time basis, only as necessary in order to perform their duties.

53. Is there any asbestos abatement or any other hazardous material involve in existing building?

Answer: See Section 024119, Paragraph 1.9 Field Conditions, Subparagraphs D and D.1

54. Is there any contamination in existing soil for parking lot demo?

Answer: None known to the Government.

55).Specification 10050-3 special conditions - Which permits are required for constructions?

Answer: None are required.

56. Drawing C-501 section 8 (Asphalt pavement section)

Drawing call for new 6" compacted sub grade, 6" aggregate base, 2" asphalt base and 2" asphalt top. So we are removing 16" of asphaltic pavement.

Drawing CD-101 call for removal of asphalt pavement.

What is the existing asphalt pavement thickness? Is there any concrete under the asphalt?

Should new pavement match existing grade?

Answer: The compacted sub grade is not new, contractor needs to re-compact existing sub grade, provide new 6” aggregate base with 2” of asphalt base and 2” of asphalt top.

Based on the original drawings:

1. There is no information on the thickness of the existing pavement

2. There are no concrete items under the asphalt

3. New pavement shall match existing grade

57. Drawing A-301 building section 2/A-101, We could not find detail 1/A-304 and 3/A-

303. Please advise.

Answer: Disregard markings on Sheet A-301

58. Drawing A-611, Window types W-3 to W-7 shows to match existing openings.

However we found width of windows from "existing drawing for reference only", but we could not see height of windows. Please advise.

Answer: They can be found in the existing drawings A-7 and A-8

Windows W-3 and W-7 are the same 4’-4 ½” M.O., W-4 is 5’-3” M.O., and Windows

W-5 and W-6 are 7’-10 ½” M.O.

59. Drawing A-101, General note number 2 says paint all exposed steel.

Do we have to paint existing all steel or only new steel we installed?

Answer: Paint all new steel and follow room finish schedule where there is exposed ceiling that requires paint.

60. Drawing C-501 section 16, Please clarify top and bottom elevation of segmental retaining wall.

Answer: Top elevation of retaining wall is at 53.00 (3’-0” above finished floor), Bottom varies (see existing grading on C-101 and building elevations A-201)

61. What is height of the segmental block wall that makes up the raised planter around the building ?

Answer: Normal 8" block

62. Please confirm the scope of work related to column footing, foundation, In reference to structural drawing S-101 in the general note #1 say comprehensive strength for footings and foundations should be 4000 PSI, we don’t see the foundation footings details for column So please clarify?

Answer: There are no new footings, the note is in reference to the work in the

Auditorium 2.

63. As Per structural drawing S-101 there are 29 columns given inside the building and in existing wall, do we have to do something with those columns? (it shows dotted line) and in the legend note indicates existing columns, is there any new columns which we have from the foundation so please clarify?

Answer: There are no new columns