21B5501_A0001_Atch(1)_Pre-Bid_Inquiries.pdf

SOLICITATION NO. N4008421B5501

AIRFIELD IDIQ CONTRACT FOR VARIOUS PROJECTS AT U.S. MARINE CORPS AIR STATION IWAKUNI, JAPAN

GOVERNMENT PRE‐BID INQUIRY FORM Amendment 0001 Attachment (1)

Page Section Para.

1 18‐Jun‐21 3/36/539 SECTION 01 14 00 1.3.4 It is stated that "Regular working hours must consist of an 8‐

1/2 hour period established by the Contracting Officer, between 8:00 a.m. and 4:30 p.m., Monday through Friday, excluding Government holidays, unless otherwise specified in a Task Order."

Therefore, please let us know if the unit price can be to be proposed based on the working circumstance mentioned above.

2 18‐Jun‐21 3/36/539 SECTION 01 11 00 1.5.1.1 If the Night Work is required in a Task order, please let us know how the unit price we proposed on SCHEDULE OF INDIFINITE QUANTITY WORK will be modified.

3 18‐Jun‐21 4/36/539 SECTION 01 11 00 1.5.1.2 If "Phased Construction" is required for a project, please let us know how the unit price we proposed on SCHEDULE OF INDIFINITE QUANTITY WORK will be modified.

4 18‐Jun‐21 4/36/539 SECTION 01 11 00 1.5.1.2 If "On‐Site Work Limitation" is required for a project, please let us know how the unit price we proposed on SCHEDULE OF INDIFINITE QUANTITY WORK will be modified.

5 18‐Jun‐21 8/424/539

4‐5/195‐ 196/539

SECTION 32 13

13.43

SECTION 01 45

00.00 20

1.4.1 a.

1.5.1.2

It is stated that "a minimum of 1 year experience as a CQC System Manager on an airfield construction project.".[SECTION 32 13 13.43] Please remove this qualification because this is not correspond with SECTION 01 45 00.00 20/ para 1.5.1.2 Qualifications.

6 18‐Jun‐21 8/424/539 SECTION 32 13 13.43

1.4.1 b.

Please remove this qualification because we, Japanese, are not familiar with ACI Concrete Transportation Inspector at all.

7 18‐Jun‐21 8/539 SUPPLEMENTARY

EXPLANATION OF

WORK

32 13 13.43

A034 "305 Thk. High Temperature Concrete Paving (Section32 13 13.43)" should be Continuous Reinforced Concrete Pavement (CRCP).

Because of CRCP, please clarify if the work is necessary to not only demolish but also pave at least one (1) lane.

8 18‐Jun‐21 SECTION 01 11 00 Please let us know if the Government will provide the appropriate laydown area in a Task Order, or not.

9 18‐Jun‐21 SECTION 01 11 00 Please let us know if the Government will provide the appropriate site office area in a Task Order, or not.

Amend No.

Question No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

GOVERNMENT PRE‐BID INQUIRY FORM Amendment 0001 Attachment (1)

Page Section Para.

Amend No.

Question No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

10 18‐Jun‐21 4/31/539 SUPPLEMENTARY

EXPLANATION OF

WORK

Lighting (A102)

It is stated that "Provide a boat with Captain for access the approach light on the sea.".

Please let us know if the working permission form Fisheries Cooperative is required or not.

Otherwise, please let us know the procedures such as permission not only the Government but also Japanese agencies, 11 18‐Jun‐21 4/31/539 SUPPLEMENTARY

EXPLANATION OF

WORK

Lighting (A102)

Please clarify the details such as working hours and boat detail.

If the night time work required on the sea, lighting fixture replacement/installation work will be more difficult than the day time work.

12 18‐Jun‐21 4/31/539 SUPPLEMENTARY

EXPLANATION OF

WORK

Lighting (A102)

Please clarify whether the A102 includes the cost of providing approach lights for removal / restoration.

13 18‐Jun‐21 2/31/539 SUPPLEMENTARY

EXPLANATION OF

WORK

A016‐A021 Excavation and Grading

It is stated that "b. Contractor shall field verify all underground utilities and repair all damage utilities caused during construction at contractor’s expense."

Please let us know whether the Government will provide all underground utility As‐Build Drawing after Task Order..

14 18‐Jun‐21 2/31/539 SUPPLEMENTARY

EXPLANATION OF

WORK

CRACK

SEALING AND

BITUMINOUS

Regarding the repairing work, please let us know whether it is possible to set curing time and space after construction until appropriate designed strength.

15 18‐Jun‐21 2/31/539 SUPPLEMENTARY

EXPLANATION OF

WORK

Please let us know if these estimated quantity can be proposed as the minimum guaranteed quantity for each task order.

16 18‐Jun‐21 SF1442 Please extend BID proposal date because we do not have enough time to summarize the price proposal after getting the Government response for inquiries within the limited days.

Bid Opening Date is extended to 07 Jul 2021, 11:00AM. 0001

17 18‐Jun‐21 29/539 SUPPLEMENTARY

EXPLANATION OF

WORK

A‐016‐A021 Excavation and Grading f.

It states that the contractor will be directed the material unload location on the base. The contractor will consider the hauling route in the base. Let us know where will the area be directed.

18 18‐Jun‐21 29/539 SUPPLEMENTARY

EXPLANATION OF

WORK

A022‐A026 Aggregate b.

Can the aggregate be stockpiled on the laydown area near the airfield? If the material cannot be stockpiled near the work site, should we have to include extra hauling time and cost for night time delivery?

GOVERNMENT PRE‐BID INQUIRY FORM Amendment 0001 Attachment (1)

Page Section Para.

Amend No.

Question No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

19 18‐Jun‐21 425/539 SECTION 32 13 13.43

1.4.2 d.

Profilograph Operator:

There is NO certified operator in Japan. However, we can operate and collect the data properly. Please delete this sentence.

20 18‐Jun‐21 473/539 SECTION 32 13 13.43

2.1.1.3 If the existing concrete, such as runway, taxiway, VTOL pad, will have bumps or be removed and repaved, the new concrete surface shall be needed diamond grinding?

21 18‐Jun‐21 8/539 SCHEDULE OF

INDEFINITE

QUANTITY

WORK

A023 A024 A025

Please specify either M‐30‐40 or C‐30‐40, which are the basic course materials since the price proposals might be fluctuated significantly.

22 18‐Jun‐21 8/539 SCHEDULE OF

INDEFINITE

QUANTITY

WORK

A026 Please let us know the type of cement and the design additive amount.

23 18‐Jun‐21 9/539 SCHEDULE OF

INDEFINITE

QUANTITY

WORK

A030 Please let us know if temporary Edge Lights are required or not when the asphalt concrete paving work by task order is designed at shoulder area.

24 18‐Jun‐21 12/539 SCHEDULE OF

INDEFINITE

QUANTITY

WORK

01 11 00

A103 ‐A121

1.13.1

Please let us know if the replaced existing lights to should be replaced is vested in the Government Property and delivered to Bldg.7725 (Facilities Recycle Center) or not.

Oherwise please let know if it is necessasry for us to dispose the replaced existing lights.

25 18‐Jun‐21 4/31/539 SUPPLEMENTARY

EXPLANATION OF

WORK

Lighting (A102)

Please let us know what kinds of submittals are necessary to get a permission from not only the Government but also Japanese agencies.

26 21‐Jun‐21 General Will all work will be estimated as night time work for this contract?

27 21‐Jun‐21 8, 14, 22 SCHEDULE OF

INDIFINITE

QUALITY WORK‐

"A","B" & "C"

A017 B017 C017

SCHEDULE OF INDIFINITE QUALITY WORK‐"A","B" & "C",

A017,B017 & C017 states "Excavation ‐ Back‐hoe 0.45m3 With Shoring". Would you please advise the approximate excavation height for this work. Also, please advise what is the usage and specification of this shoring. This is necessary to select type of sheet piles and this will affect the proper estimation.

GOVERNMENT PRE‐BID INQUIRY FORM Amendment 0001 Attachment (1)

Page Section Para.

Amend No.

Question No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

28 21‐Jun‐21 29 SUPPLYMENTAR

Y EXPLANATION

OF WORK,

A016‐A021 Excavation and Grading.a

SUPPLYMENTARY EXPLANATION OF WORK, A016‐A021

Excavation and Grading. a states "Dispose of surplus excavated material shall be off of Government property."

Please advise the surplus excavated material shall be added to which line item of A‐016‐A021.

29 21‐Jun‐21 10, 17, 24 SCHEDULE OF

INDIFINITE

QUALITY WORK‐

"A","B" & "C"

A071 B071 C071

SCHEDULE OF INDIFINITE QUALITY WORK‐"A","B" & "C",

A071,B071 & C071 states "Sodding, fertilizing and ground leveling(Replace exist soil with new 100thk D.G)Does it include transporting existing excavated soil, decomposed granite soil, and off‐base disposal of excavated soil?

30 21‐Jun‐21 9, 16, 23 SCHEDULE OF

INDIFINITE

QUALITY WORK‐

"A","B" & "C"

A030 B030 C030

SCHEDULE OF INDIFINITE QUALITY WORK‐A030, B030 &

C030, Asphalt Concrete Paving t=50mm (Section 32 12 17) 2,000SM. Please advise if there is minimum quantity per order for proper estimation.

31 21‐Jun‐21 9,16,23 SCHEDULE OF

INDIFINITE

QUALITY WORK‐

"A","B" & "C"

SECTION 32 13

13.06

A034 A046 B034 B046 C034 C046 2.11.1

SCHEDULE OF INDIFINITE QUALITY WORK‐A034, B034 &

C034 states 305 Thk. High Temperature Concrete Paving (Section32 13 13.06) 1.0 SM. Also, A046,B046 & C046 states Sodium Silicate Coating on the High Temperature Concrete paving. The requested QTY is not realistic QTY becuase the High Temperature Concrete as per Section 32 13 13.43 is specical concrete that using aggregates which difficult to obtain here in Japan. Also, Section 32 13 13.06 Para.2. 11 .1.1 Batching and Mixing Plant Location states "Locate the batching and mixing plant off Government premises no more than 15 minutes haul time from theplacing site." There is no batch plant which can be supplied High Temperature Concrete within 15 Minutes here in Iwakuni Area.To satisfy the Specification requirements, required to have a batch plant close to Airefield. Due to above reason, please re‐ consider the requisted quantity for A034,B034,C034,A046,B046 & C046.

32 21‐Jun‐21 10,17,24 SCHEDULE OF

INDIFINITE

QUALITY WORK‐

"A","B" & "C"

A068 B068 C068

SCHEDULE OF INDIFINITE QUALITY WORK‐A068, B068 &

C068 states Reinforcing Steel QTY 3.0TON. Please provide more detailed information such as reinforcing bar diameter and specification for proper estimation purpose.

GOVERNMENT PRE‐BID INQUIRY FORM Amendment 0001 Attachment (1)

Page Section Para.

Amend No.

Question No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

33 21‐Jun‐21 General Based on above RFI concerns, please consider allowing for 1 additional week for proposal submission following receipt of Amendment with RFI Responses.

Bid Opening Date is extended to 07 Jul 2021, 11:00AM. 0001