Govt_PPI_Ans_A05.pdf

SOLICITATION NO. N4008423B5501

AIRFIELD IDIQ CONTRACT FOR VARIOUS PROJECTS AT U.S. MARINE CORPS AIR STATION IWAKUNI, JAPAN GOVERNMENT PRE‐BID INQUIRY FORM Attachment (5)

Page Section Para.

1 31‐Mar‐23 3 SECTION 01 11 00 1.5.1.1

Special Scheduling Requirement in Night Work

Is it correct to think that all work must be conducted at night?

夜間作業における特別なスケジューリングの必要性

すべての仕事は夜間に行わなければならないと考えていいのでしょうか

All construction within the airfield will be night work, unless otherwise directed

2 31‐Mar‐23 1

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A013‐A‐15

Rubber and Paint Removal

Could you clarify what the Government approved high‐pressure rubber and paint removal equipment is?

We also would like to know about " the specification" from the sentence below:

a. Remove 90 percent of all visible rubber and remove all visibly loose, flaking paint as specified in the specification

ゴムや塗料の除去

政府認定の高圧ゴム・塗料除去装置とはどのようなものなのか、明らか

にしていただけないでしょうか。

また、以下の文章から「仕様」についても教えていただきたいです： a.

目に見えるゴムの90％を除去し、目に見える緩みや剥がれのある塗料を

仕様書に従ってすべて除去する。

The specification of "high‐pressure rubber and paint removal equipment" is described in paragraph 2.2 EQUIPMENT, and the contractor is required to submit the selected equipment then the Government approves as described in the paragraph 1.2 SUBMITTALS in

SECTION 32 01 11.51. Also the equipment is commonly used in Japan for the purpose of the skid rubber removal works.

The paragraph 3.1 DEGREE OF REMOVAL in

SECTION 32 01 11.51 describes the specificaton of rubber and paint removal. To check the actual degree of removal, the

Government representative visits the project site to check the removed skid rubber or the pavement marking at the very beginning of each removal task order.

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A028&029

Crack Repair Using Polysulfide Sealer

Asphalt Concrete Paving

We are not sure what materials to use. Could you let us know them?

ポリサルファイドシーラーによるクラック補修

アスファルト・コンクリート舗装

どのような材料を使えばいいのか迷っています。教えていただけないで

しょうか。

Use a sealing material that meets the standards as specified in the specifications.

These materials are available in the local

Japanese marketplace.

4 31‐Mar‐23

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A074&075

Non‐Prepriced Labor

Non‐Prepriced Materials

Regarding the amount of A074 and A075, we think that it will be directly included in the construction cost because it is an approximate labor cost and material cost.

Therefore, is it correct to recognize that common temporary construction costs and on‐site management costs will be recorded separately?

A074及びA075の金額については、概算の労務費や材料費ということで直

接工事費に含めると思っています。

ですので、共通仮設費や現場管理費を別途で計上するという認識でよろ

しでしょうか？

Construction costs and management costs should be recorded together.

5 31‐Mar‐23

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A014

Could you tell us that Cold Application means oil‐based normal temperature paint?

常温塗布タイプとは、油性常温ペイントでよろしいですか?

Apply JIS K5665.

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A013&A014

Could you tell us what matelials used for Cold and Hot melt application?

コールド/ホットメルトとは、どのような材料ですか?

Please refer to JIS K5665.

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A049‐A065

Is it possible to tell us more specifc about PAVEMENT MARKINGS, especialy

White letters, arrow, handicapped sign, bicycle sign?

PAVEMENT

MARKINGS（特に白文字、矢印、障害者標識、自転車標識）について、

より具体的に教えていただくことは可能でしょうか。

The KTR should utilize the symbols used throughout the base (other than the airfield) to determine appropriate markings for the airfield. In addition, refer to the contract drawing "C‐17" for the "STOP" characters.

8 31‐Mar‐23 Drwaings

Although there are drawings of runways and taxiways, can you provide us with a quantity table?

滑走路、誘導路の図面はありますが、数量表もご提供いただけますか？

Quantity in the price schedule includes estimated amounts.

Amend

No.

Question

No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

GOVERNMENT PRE‐BID INQUIRY FORM Attachment (5)

Page Section Para.

Amend

No.

Question

No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

9 31‐Mar‐23 General

How many days in a year are you planning to construct for the project?

1年間で何日程度の施工を見ておられますか？

The number of projects are unforseen, therefore it is difficult to estimate the days for construction in a year.

10 31‐Mar‐23 General

Will it be a continuous construction or will it be a one‐off construction?

継続的に施工になりますか？それとも単発的に施工になりますか？

There will be multiple construction projects throughout the life of the contract.

11 31‐Mar‐23 General

Could you tell us whether or not asphalt pavement will be constructed on the runway？

アスファルト舗装を滑走路に施工することがありますか？

According to specs, paving will occur in the airfield.

12 31‐Mar‐23 SF1442 13

Could you extend the proposal due date due to consider above questions?

上記の質問を考慮いただき、提案期限を延長していただけないでしょう

か。

Amendment 03 was issued on 4 April 2023 to extend the bid opening date to 24 April 2023.

Amendment 04 extended the date from 24

April to 10 May 2023. This amendment will extend the bid opening date from 10 May to

17 May 2023.

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CONCRETE

PAVEMENT

A‐G ~033 High

Temperature

Concrete Paving t=305 (Section 32 13

13.43)

A‐G ~033 HTC Paving item's Quantity = 39.0SM. Even though the quantity is minimal, it may still result with a higher cost. Since we still need to meet the

Minimum Order Quantity, it is unfeasible to use for a small‐scale quantity, but the cost will be similar with a minimum larger quantity.

It is recommend that the item to be removed or revised for reasons above. It may be better considered as a NON‐PREPRICED MATERIAL, LABOR item.

The Government has decided to remove line items related to HTC from this contract. A

Proposed Change will be issued.

14 31‐Mar‐23

N/A GENERAL N/A Due to the extents of the scope and item requirements, Request government consider a 3‐week extension on the submission of the Bid Proposal

See Question 12.

15 16‐Mar‐23 1

SUPPLEMENTARY

EXPLANATION OF

WORK

A013‐A015 Rubber and Paint Removal

If the contractor find the damages on the existing pavement after rubber removal, can the contractor get the change order? (In case of the damaged paving will be excess of the expecting volume.)

Any damages outside the scope of work should be reported to the KO and CM immediately. A modification may be issued if merited.

16 16‐Mar‐23 2

SUPPLEMENTARY

EXPLANATION OF

WORK

A026‐A029 Crack

Sealing and

Bituminous

Plase provide the typical drawings, such as the cross section, top view, etc. Government provides site plan specific area of the asphalt paving(A029) at each task order.

The area of prime coating(A026) and tack coating(A027) can be calculated based on the asphalt paving. The crack repair(A028) method is shown in the contract drawing.

17 16‐Mar‐23 3

SUPPLEMENTARY

EXPLANATION OF

WORK

A026‐A029 Crack

Sealing and

Bituminous

The number of paving are is not match the total prime and tack coat area. We assume that the total number is 2,436 SM.

KTR may bid on the amount of paving as detailed in the SOW.

18 16‐Mar‐23 3

01 11 00 1.5.1.1 Spec stated that the on‐site work under this contract must be scheduled at night. However, other section 01 14 00 Para1.3.4 stated that the working hours can be between 0800 AM and 0430 PM. Which is correct the regular working hour?

On‐site work on the airfield must be scheduled at night but other works, for example drawing preparation or submittal preparation which can be done off‐site, may be scheduled during regular working hours.

19 16‐Mar‐23 3

01 30 00 1.6.5 Can the contractor request to the Government to have a QC training course after award?

As described in the same paragraph, this course is periodically offered by the

Government. Contact the Construction

Manager for information on the next scheduled class.

20 16‐Mar‐23 3

01 57 19.00 20 1.2.3 Spac stated that the surplus soil is defined as a solid waste. Does the contractor have to dispose them to the off‐base?

As described in paragraph 1.2 GOVERNMENT

POLICY in SECTION 01 74 19 CONSTRUCTION

AND DEMOLITION WASTE MANAGEMENT,

disposal of all removed and waste materials must be outside the U.S. Government leased property.

GOVERNMENT PRE‐BID INQUIRY FORM Attachment (5)

Page Section Para.

Amend

No.

Question

No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

21 16‐Mar‐23 7

32 13 13.43 1.3 Spec stated that the submittals of Diamond Griding Plan with G‐code will be required. If the Government will intend to conduct them, add to the item list. If this goes on, we cannot provide this kind of work due to lack of the item list.

The Government has decided to remove line items related to HTC from this contract. A

Proposed Change will be issued. 5

22 16‐Mar‐23 11

33 13 13.43 1.4.6 Does the contractor have to provide a price quote that includes trap rock testing and associated paving test section (preparation/pilot/fill‐in)?

The Government has decided to remove line items related to HTC from this contract. A

Proposed Change will be issued. 5

23 16‐Mar‐23 10

01 35 26 1.7.1.1.1 Can the contractor request to the Government to have a 24‐hour EM 385‐1‐1

Awareness Course for Contractors after award if the asigned SSHO does not have the certificate?

A 24‐hour EM 385‐1‐1 Awareness Course is offered typically once a year. If additional personnel require the certificate, the

Government may provide another iteration of the class.

24 16‐Mar‐23 1

01 31 23.13 20 1.1 Contractors have already known the eCMS, however, currently the system does

NOT work well in Japan. How can the contractors communicate to the

Government?

e.g.) submittals, project schedule data, payment request, and so forth.

In order to maintain continuity between the previous contract, eCMS will continue to be utilized for submittals. However, if the awardee does not have access to eCMS, please work with the CM or ET to securely submit documents.

25 16‐Mar‐23 3

01 11 00 1.5.1.1. d. Does the contractor have to schedule 5 days interrupption work continuously or taking apart?

The contractor does not need to expect five consecutive interruption days. The interruption can be either consecutive or inconsecutive.

26 16‐Mar‐23 23

32 13 13.43 2.3.1.2 ASR testing method is stated as ASTM C1260, however, Japanese concrete testing insutitute may not be able to conduct. Can we consider that the almost same testing method JIS A 5308 instead of ASTM C1260?

The Government has decided to remove line items related to HTC from this contract. A

Proposed Change will be issued. 5

27 16‐Mar‐23 7 01 21 13 1.3 We assume that the SF 1442 is only 2 pages on amendment 01. Please clarify. Amendment 01 is uploaded to SAM.gov as two pages of an SF 30.

28 16‐Mar‐23 7 01 21 13 1.3 Amendment 01 does NOT have SF 30. Please add. See above. 5

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EXCAVATION

AND GRADING

A‐G ~016‐019:

Excavation ‐ (Section

31 00 00)

For Bidding purposes, since the volume of Surplus Materials are not yet confirmed. Verify if 100% of the Excavated Material, can all be assumed as

Surplus Excavated Material, and should all be disposed off Government property.

The line item will be added for the disposal of surplus material(Soil.) A Proposed Change will be issued.

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EXCAVATION

AND GRADING

A‐G ~017: Excavation ‐

Back‐hoe 0.45m3

With Shoring (Section

31 00 00)

Item ~017 "Excavation ‐Back‐hoe 0.45m3 With Shoring (Section 31 00 00)" requires Shoring to be included. Provide more information on the "Shoring" such as; expected excavation depth and width, type of shoring system.

Shoring will be price per task order since excavation depth and width, as well as type of shoring system is unknown.

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A‐G ~020

Backfill/Grade at

Trench bed (Section

31 00 00, 31 23 00.00

20)

Item ~020s Unit of Measurement is in SM (Square Meter). Verify if this should not be replaced with CM(Cubic Meter). If this item should remain as SM, then provide the depth of Backfill/Grade of this item

The unit of measure is in SM . No additional soil is required for backfilling and grading. On‐ site soil will be used for grading.

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CONCRETE

PAVEMENT

A‐G ~043 Expansion

Joint with Silicone

Sealer in New

Pavement (Section 32

01 19)

Confirm if this item ~043 "Expansion Joint with Silicon Sealer in New Pavement" includes, all necessary items such as; Joint Filler, Backer Rod, and/or Bond

Breaker Tape (when necessary).

Yes, they are included.

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PAVEMENT

MARKINGS

A‐G ~049‐A065

PAVEMENT

MARKINGS

Usage Amount of the Road Marking is described in the Specification, but the

Film Thickness is not indicated. May we test the Film Thickness in accordance with TT‐P‐1952F Type II (2018)?

Testing method is not included in TT‐P‐1952F

Type II, only pavement marking is covered.

The contractor can test the thickness using

Japanese paint thickness meter or equivalent. 5

GOVERNMENT PRE‐BID INQUIRY FORM Attachment (5)

Page Section Para.

Amend

No.

Question

No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

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MISCELLANEOUS A‐G ~066‐069 Tie Bar or Dowel Bar

Verify if Chair Bars and Drilling costs are included in items ~066‐069 for tie bar and dowel bar installation

Yes, they are included.

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MISCELLANEOUS A‐G ~071‐072‐073

Sodding

Verify if items ~071‐072‐073 indicates only for New Lawn, or this item also includes removal of existing turf, plowing of excavated soil, and transport and disposal?

Transport and disposal are included. Apply sodding on bare soil area for item no.071&

072. Item 073 involves removal of existing turf and plowing of excavated soil. 5

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MISCELLANEOUS A‐G ~071‐073

Sodding

For items ~071‐073, is it necessary to install or remove the anti‐scattering net after the flight line is covered with grass? If yes, is anti‐scattering net included in the Items ~071‐073?

Anti‐scattering net may be required at some locations. It will be included in non‐priced item if needed.

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EXCAVATION

AND GRADING

A‐G ~016‐021

Excavation / Backfill

Verify if Excavation and Backfilling includes all dewatering costs due to rainwater and spring water from excavation and backfilling.

If it is not included, it is recommended to include separate Line Item to cover the Dewatering Item in Units of Measurement in values of Time (days or months)

No, dewatering cost is not included in

Excavation and Backfilling cost. If dewatering is required, it will be in non‐priced item as it is unforseen volume or time. 5

38 27‐Mar‐23

N/A GENERAL N/A Please confirm if it is necessary for the person who has AVOC license/escort to stay with the worker at all times? For example when; entering and exiting the flight line, while transporting excavated surplus soil and materials from the temporary storage site to work location inside Flight Line.

AVOC License is only for driving on the

Airfield, therefore worker should not always be with the person who has AVOC license.

Workers may be able to walk in to the Airfield

(if the construction site is close to the Airfield gate.)

But as specified in paragraph 1.11 RADIO

COMMUNICATION in SECTION 01 35 26A, the

Contractor must provide an escort/interpreter

(who speaks fluent English) that enable radio communication with air terminal control tower during the work on airfield. And the escort/interpreter must always be with workers.

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CONCRETE

PAVEMENT

A‐G ~039‐040 Spall

Repairs‐High

Temperature

Concrete... (Section

03 01 30.71)

A‐G ~039‐040 High Temperature Concrete states the use of Section 03 01 30.71, please confirm that the use of conrcete state in the said section will be use to repair High Temperature Concrete.

N/A as HTC items will be removed. A

Proposed Change will be issued.

40 27‐Mar‐23

N/A GENERAL N/A Verify if "Temporary Lighting for Night Work" items should be included and priced in this Bid Proposal, or this will be included as Non‐Priced Material, Labor?

"Temporary Lighting for Night Work" cost is included in each line item. 5