JFK RFI Q A Responses.doc

JFK Solicitation RFI’s and Responses

NAMA-09-SEM-0011

ADDITION / RENOVATION

Rev. 8.03.09

Q#1:

Please Clarify that the only item to be supplied under Section 11400 and Drawings A601 and A615:

Answer:

Work under Section 11400 is limited to the kitchen counter shown on these drawings.

Q#2:

Drawing A601 shows one bat wing shaped counter, then a space, then a straight counter. Are these two separate counters?

These are two counters separated by a structural column.

Q#3:

Please clarify if the two sinks/faucets shown on the counter are to be supplied by Section 11400. There is no reference to those sinks and/or faucets in the written specifications.

The sinks and faucets are specified in Section 15440 – Plumbing Fixtures.

Q#4:

The drawing appears to have those sinks as drop I type units. Will welded in sinks, creating a seamless counter, be acceptable?

Yes. Integral stainless steel sinks will be acceptable, pending review and approval of details and materials.

Q#5:

Re: Section 05500: Which items receive modified oil alkyd primer per sub-paragraph (A) and which items receive organic zinc rich primer per sub-paragraph (D)?

Answer: The zinc rich primer is to be used on all miscellaneous metal items exposed to the exterior. Interior metals are to be receive the alkyd primer.

Q#6:

Drawing S503: What is the spacing for the diagonal 3x4x1/4” angle braces? Detail 19 is not called out in the plans. Where does it occur?

Answer:

The L3x3x1/4 occurs at each lateral connection of the precast exterior façade to the building structure per 2/S503. The specific dimension will need to be coordinated with the precast supplier. Detail 19 occurs at locations where new openings are being cut into the existing precast exterior façade. Refer to architectural drawing A204 for locations.

Q#7:

Drawing S504, Detail 2: Where does this detail occur? It does not appear in the plans.

Detail 2/S503 may be deleted.

Q#8:

Please identify who is responsible for moving the archives files, the contractor or by others?

NARA will move all archive materials.

Q#9:

Is the Contractor required to obtain City of Boston building permits, state building permits or Certificate of Occupancy, and are the costs part of the project? In essence, there are various entities such as City of Boston Fire Department, Inspectional Services and/or city or state inspectors that may require fees or submittals. Can you identify which one will apply to this project?

Answer: No building permit or costs, but there are requirements to follow such as the DEP Orders of Conditions, and other Permits obtained on the behalf of the contractor such as the DEP Post-Closure Use Permit. Those will require the contractor to make submittals.

Q#10:

E401: What size pipe and wire is required between the existing 4,000 amp switchgear and its new TVSS?

Provide 60amp 3 pole circuit breaker with 4-#6 + 1 #10GND – 1” C. Coordinate all wiring requirements with TVSS manufacturer.

Q#11:

E401: A 60amp feed is shown from existing panel DP-EM and transformer T2, but no breaker is dedicated in the panel.

Provide a 50amp/3P circuit breaker in the panel. Refer to dry type transformer schedule on E401 for additional information.

Q#12:

E401: Transformer T4 is shown fed from Panel DH1 and from T4 to new Panel PL1. The transformer T4 is not scheduled (we assume it is a 75 KVA), nor are the primary and secondary feeders scheduled.

Transformer T4 is a 75 KVA transformer. Provide 150A/3P circuit breaker with 3-#10 + 1-#6 GND – 1-1/2” conduit on the primary side panel “DH1” and 250A/3P circuit breaker with 4-#250 KCMIL + 1-#4 GND – 2-1/2” conduit on the secondary side panel “PL1”.

Q#13:

E201a: Ductbank section AA is shown from the new generator to the life safety ATS. Will the feed to the new 400 amp optional standby ATS be accomplished in the same way?

Ductbank “A-A” shall be the same for both the life safety and optional standby automatic transfer switches. Refer to the one-line diagram on drawing E401 for feeder sizes.

Q#14:

Will the use of MI cable be required for elevator feeds?

MI cable shall be required for elevator feeders unless feeders are run in EMT under slab creating a two hour rating, as required per NEC.

Q#15:

E401: The elevator feeders are shown as #1 AWG for 175 amp. This appears to be undersized. Should these be changed to 2/0?

Answer: The elevator feeders indicated on Drawing E401 are correct.

Q#16:

E401 Riser. The following feeders are indicated, but not scheduled: 800 4G, 250 4G and 125 4G.

Answer: the following feeder sizes are as follows: 125-4G (4#1 + 1#6 GND – 1 ½”C), 250-4G (4#250 KCMIL + 1#4 GND – 2 ½” C), 800-4G (8#600 KCMIL + 2#1/0 GND – (2) 4” C).

Q#17:

There are two remote generator annunciators shown, one in the Security Office #128 and one in Life Safety Room #171. Are both required?

There is only one remote generator annunciator required – it should be located in Security Office #128.

Q#18:

There are two type R6 fixtures shown on E102a. These fixtures do not appear on the fixture schedule. Please identify.

R6 type light fixtures are recessed linear single lamp T8 (FO32/835/ECO) fluorescent uplight with GRG Cast plaster housing. Catalog number is: Engineered Lighting Products #132 T8-HITW-8x 54-277 Volt.

Q#19:

There is a lightning protection system specified in Section 16670. However, there is no system currently in place at the library. Can you provide additional prints of the existing facility so that this system can be developed?

Floor plans for all existing and new floors are shown on electrical drawings E301A through E305. The heights of the existing and new building masses are indicated on the attached key plan.

Q#20:

Standard form 1442 Solicitation indicates (360) days for completion. Section F of the RFP indicates (600) days for completion. Please clarify which is correct.

600 days (The SF1442 is a typo error).

Q#21:

The set of contract drawings we received are not stamped by A/E team. Are we to provide a proposal based upon these 6/24/09 drawings, which are not stamped?

Yes.

Q#22:

There are four unit pricing sheets included within the contract specifications. Should these be included with our bid proposal or are these to be submitted by the low bidder? Please advise.

Answer: Unit pricing to be shown on the revised Amendment 01 SECTION B Proposal Form under B5.3. only.

Q#23:

Door #121B has “Bid Alt. #1” listed in the remarks column of the door schedule. Should this be included in Option #1 pricing?

Yes.

Q#24:

Louver types L1 through L6 are listed on drawing A902 and indicated on elevation drawings. How do we determine the louver type per specification Section 10200-5, 2.4 (LV-1, LV-2 or LV-3)?

Answer:

Louver L5 (Drawing 1/A201) is to be type LV-1 per Section 10200. All other louvers are to be type LV-2. Specified louver type LV-3 is not used.

Q#25:

We have bid documents describing ADA signage, but have no drawing or message schedule for interior or exterior. Please advise.

Answer:

The project includes only interior signage. Contract prices should be based on the following quantities of signs as shown on drawing A905 – Sign Panels: 6 Type A, 7 Type B, 24 Type C, 4 Type D and 4 Type E.

Q#26:

On T401 the detail shows a double gang and single gang face plate for the same symbol. Which is used?

Answer:

Single gang face plate.

Q#27:

Drawing T600, Detail 9, shows a picture of an existing rack, but does not state which room it is in.

Telephone Room 123.

Q#28:

Drawing T105 shows (4) voice data drops on the 5th floor. Do these terminate in the 4th floor closet, room 409?

No, they terminate in Room 406.

Q#29:

Drawing T105 shows a 12-strand MM fiber and a 6-strand SM fiber to be installed in Room 406 from Room 239. Are these in addition to the fiber cables shown for Room 409, shown in the riser diagram, or are these in addition to them?

These fibers terminate in Room 406. The detail 10 on Drawing T600 is tagged for Room 409 in error.

Q#30:

Is there a print showing Room 409?

All rooms on this floor are shown on Architectural Drawing A104.

Q#31:

As per Table of Contents Specification #16749 – Security System but there is no detail specification found in Volume II?

Answer: See Amendment 01, information provided.

Q#32:

When will be site visits for GC and Subs?

Answer: No formal visit, but the specification section indicates to call the Facility Manager and schedule a visit. (See Section L)

Q#33:

This request is to obtain a copy of the Statement of Special Inspections and Tests n accordance with Chapter 17 of the International Building Code as stated in Specification section 01400 “Quality Requirements.”

Answer: Inspection will be by the government. The required testing specifically listed in the Divisions will be by the contractor and certified.

Q#34:

How can I acquire one or more samples of a “successful” subcontracting plan submitted to NARA?

NARA does not provide that type of information. All plans will be successful if they fulfill the requirements of the applicable FAR clause.

Q#35:

Is this a federal project which is tax exempt or do we need to include taxes?

This is a Federal project and sales tax exempt.

Q#36:

Have any additional Hydraulic elevator suppliers been approved for this project in addition to the ones listed in specification section 14240?

No.

Q#37:

Thyssen Krupp is an elevator installer in the Boston area. Are they approved to bid this project?

Answer: The contractor’s Proposal should be based on the firms already identified.

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