General Bid Bulletin No.12 Annex “A” Metro Manila Subway ...

General Bid Bulletin No.12Annex “A”

Metro Manila Subway Project Phase 1PACKAGE CP104: (ORTIGAS NORTH AND ORTIGAS SOUTH)

ITEM NO.

REFERENCE/CLAUSE/SECTION

QUERIES

RESPONSEVolume I Part 1: Bidding Procedures

1. 1.1.2 Equipment Section III, Page EQC-3

Listed are ten (10) construction plant and equipment to be provided by the Bidder. However,at Clause 1.1.6 (Major Plant andEquipment intended to mobilize at site) requires the Bidder to mobilize the adequate and appropriate number based onthe estimated quantities and Bid Program

Query:Shall we base ourlist of equipment,

The Bidder is required to demonstrate in its Technical Proposal adequacy and appropriateness of the Contractor’sproposed Plant and Equipment based on both 1.1.2 Equipment and 1.1.6 Major Plant and Equipment intended to mobilize at Site.If other items of Major Plant and Equipment than are listed in 1.1.2 Equipment are necessary to fulfill its obligations and scope of works under the contract, the Bidder should describe them in its Technical Proposal. 1.1.2 Equipment shows the minimum criteria for construction plantand equipment.

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ITEM NO.


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RESPONSEtype and quantity aswell as Form EQUsolely on Clause1.1.2(EquipmentList identified byDOTr/PS-DBM)and not based onClause 1.1.6?Please confirm.

Volume IA Part 1: Bidding Procedures Section IV Bidding Form-Bill of Quantities (BOQ)

2. Discrepancies Between TS and BOQ#01 We have found a number ofdiscrepancies between theSpecifications and the BOQ whichhave been raised in earlier RFC. Ouraim is to clearly understand theCP104 scope of works and theprocedure of payment.

The answers youprovide through BidBulleting No.6Annex A Item No.34, 35, 36, 37, 38,39, 40, 42, 43, 44,45, 46, 48 and 49are still ambiguousand unclear to us.Please clearlyconfirm if theseitems are includedin our scope ofworks or not.

Refer to Annex C BOQ of General Bid Bulletin up to No.10, forupdated answer and further clarification.

3. Discrepancies Between TS and BOQ For items of Refer to Annex C BOQ of General Bid Bulletin up to No.10, for

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ITEM NO.


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RESPONSE#03 We have found a number of discrepancies between the Specifications and the BOQ which have been raised in earlier RFC.

work which arenot listed in theBOQ, is itacceptable for usto either: a) add new itemsto the BOQ; or b) include theprice of suchwork amongstexisting items inthe BOQ?

updated answer and further clarification.

4. IV Bidding FormSection Bill of Quantities (BOQ), Page BOQ-230, Schedule 3Provisional Sum(PSS) Provision of Assistance forAcquisition of Right of Way (ROW)Access: This Contractor may be required to provideassistance to the Employer in acquisitionProf ROW access. This Provisional Sum isfor expenses incurred by the Contractor forsuch work. The amount of this PS item isaround PHP 250,000,000.

Please describewhat kind ofassistance isexpected from theContractor?

The Contractor is expected to undertake the followingtasks relevant to site acquisition such as but not limitedto:

1. Provision of manpower to assist the PMO on theRight-of-Way and Site Acquisition Process;

2. Additional ROW related work such as tree inventory, ground marking and design works, caused by the changes of design such as location ofentrances

3. Provision of services to support for validation/ delivery of documents / securing CNO/ PTE

4. Hiring of legal resources/ necessary cost to invite LGUs or other agencies to implement Writ of

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ITEM NO.


QUERIES

RESPONSEPossession/ Expropriation cases

5. Trucking and Hauling services (such as the cost items for removal of debris unexpected materials from surface or ground)

6. Cost for removal of unregistered ISFs /Security cost

7. Road diversion necessary for traffic managementplans;

Volume III Part 2: Works Requirements Section VI Works Requirements – General Specification (GS)

5. Warranty We noticed in the bid documents thewarranties of mostly architectural items aretoo long than the normal warranties beingoffered by the suppliers. We would like toconfirm the warranties of the followingwork description below.

The warranty periods required in theBidding/Contract Documents arereasonable for this important subwayproject.It will not be accepted, for example, steeldoors and frames, rolling up doors andraised access floor assemblies that will beout of order in 1 year or so and granitestone panels/tiles that may be broken in 2years or so.As such, the Contractor shall comply withthe warranty period requirements indicatedin the Bidding/Contract Documents.

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ITEM NO.


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RESPONSEWORK DESCRIPTION Supplier's Warranty DOTr Warranty

Manufacture Install Manufacture Install

Ceiling Works 5 Years 1 Year 5 Years 5 YearsSteel Doors and Frames 1 Year N/A 5 Years 5 YearsGlass Doors 10 Years 10 Years 10 YearsIronmongeries 1 Year N/A 3 Years

Stainless Steel Windows 10 Years 10 Years

Frame & Accessories: 12 YearsGlazing: 10 YearsMetal Finish: 15 Years

10 Years

Metal Louvers 10 Years 10 Years 5 Years 5 Years

Rolling Up Doors 1 Year 1 Year

Roll-up Shutter Door: 10 YearsMotor Control System: 5 Years

Prepainted Metal Sheets 10 Years 10 Years 5 Years 5 YearsWaterproofing 10 Years 5 Years 10 Years 10 YearsMasonry Works - Not SpecifiedGranite Stone 2 Years 2 Years 10 Years 10 YearsCeramic Tiles 10 Years 10 YearsRaised Access Floor Assembly 1 Year 1 Year 5 Years 5 YearsAccess Panel 2 Years 2 YearsGypsum Board Waiting -Phenolic Partition 5 Years 1 Year 10 Years 10 YearsStainless Steel Tactile 1 Year 1 Year 10 Years 10 YearsVinyl Tiles 10 Years 10 YearsEpoxy Coating - Dust Proofing 5 Years 5 Years

Painting, Varnishing and Other Related Works 3 Years 3 Years 5 Years 5 Years

Glass and Glazings 10 Years 10 Years 10 Years

Metal Structures & Trenches 1 Year 1 Year

Hot dip Galvanized - Not SpecifiedSS Floor Grating - 5 YearsRoof Access Hatch Cover - Not Specified

Fence and Railings 1 Year 1 Year 5 Years 5 YearsStainless Steel Skirting; 300mm 1 Year N/A 5 Years 5 Years

Signages3 Years ( Indoor )1 Year ( Outdoor )

N/A 2 Years

System Furniture 2 Years 2 YearsQuartz Counter Top & Ledge 2 Years 2 Years 10 YearsToilet Accessories 1 Year N/A 10 YearsSmoke Curtains Assembly 1 Year 1 Year 5 Years

Volume III Part 2: Works RequirementsSection VI Works Requirements Employer’s Drawings (DRW)

6. Drawing Number GEO-005, Please provide The detailed drawings of the Kalayaan Avenue Station are

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ITEM NO.


QUERIES

RESPONSEGEOTECHNICAL PLAN ANDPROFILE (5/5) in (1.GEO)8_CP104_P2_S(VI)_(WR)_6(ED)_23Dec2020_13_GEO_with Cloud.pdf

further detaildrawings atKalayaan AvenueStation for thepurpose that theContractor isable to find rightof Way (ROW) atthe Station andconsider TrafficControl Planwhen TBMarrives at thenorth end ofKalayaan AvenueStation.

not published yet. Price proposal should be consideredbased on current information.

7. Entrance-03 of ON Station Civil Drawings No. STN-CE-ON-0424Section D-D.

There is adiscrepancybetween Civildrawing andArchitecturaldrawingsregarding thestructure abovethe escalator and

Civil drawing is correct. Therefore, architectural drawingis revised. Refer to Annex C drawing No. STN-AR-A-ON-6022

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ITEM NO.


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RESPONSE

Architectural Drawings No. STN-AR-A-ON-1705, STN-AR-A-ON-2913 andSTN-AR-A-ON-6022 Section A

staircase. Pleaseclarify which oneis correct, andissue reviseddrawingsincorporating thechanges arisingout of thisdiscrepancy.

8. UT-CE-OS-0001,0003 and 0004 Reference ismade to thedrawing numberUT-CE-OS-0001,0003 and0004 Rev.2

Please follow the published drawings (Civil, structure,Architecture, MEP and Station Plaza) for the costestimation.

If there are discrepancies, Drawings of Civil, Structure,Architecture, MEP and Station Plaza shall prevail.

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ITEM NO.


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RESPONSEshowing theexisting utilitiesand relocationplan issuedunder theGeneral BidBulletin No.7dated 22February 2021.The location andprofile ofEmergencyStaircase ES-01and Entrace-02have beenrevised in thesedrawing whilstthe otherrelevantdrawings (civil,structure,Architecture,MEP and StationPlaza) stillremainunchanged.

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ITEM NO.


QUERIES

RESPONSEPlease clarify.

Others

9. BB 6 Annex A Answer No. 47Pay item for Sealants In your answer No 47 in BB^ Annex Ato the request to identify the payitems for the sealants covering thisclause 1815, your answer is that Itemis listed in TS and drawings undermiscellaneous metal work STN-AR-A-ON-0201 but not in BOQ

Please providepay items forsealants in thissection in BOQsince you aresaying, “not inBOQ”, and anaddendum. Please clarifyyour answer; wenote that nodescription in the"drawing undermiscellaneousmetal worksSTN-AR-A-ON-0201", regardingthe sealant.

Refer to Annex C BOQ of General Bid Bulletin up to No.10, forupdated answer and further clarification.

10. BB 8 Annex ARFC response No. 84.Pay Item 1031 (1) c

We have notreceived thedrawing inquestion in the

Please refer to STN-AR-A-OS-9001 in Annex C of GBB No.9.

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ITEM NO.


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RESPONSETS2: 372Glass Wool Acoustic Panel The response: “Please refer to dwg no 9001 (Typicalwall type details) in the updatedpackage”

updated packageup to GBB No.10. Please issuethe said drawingwith anaddendum.

11. BB 8 Annex ARFC response No. 181Steel restraints of block walls DWG Nos. STA-S-OS/ON-3010 TYPICAL DETAILS CONCRETE BLOCKS STN-AR-A-OS/ON-9001 TYPICAL WALL TYPE DETAILSBLK-01, BLK-02, BLK-03

The response: “Structural drawings take precedenceover Architectural drawings.”

We cannotidentify the payitems forconcrete,reinforcing steeland formworksfor the stiffenercolumns,stiffener beams,stiffener frames,lintels, trimmerand corner bars,dowels, hobs, RCup stand,capping beams,etc. May weassume thatthose areincluded in thefollowing items

No, such costs are considered incidental to the wallconstruction and should be included in the unit price forsuch wall construction. The construction shall comply withthe relevant requirements of the Philippine BuildingCodes.

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ITEM NO.


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RESPONSEin Bill No. 4: 900 900 (1) (c1)StructuralConcrete (27.6MPa) at 28 daysm3 902 902 (1) a1Reinforcing Steel(Deformed),Grade 40 kg 902 902 (2) a2Reinforcing Steel(Deformed),Grade 60 kg 903 903 (2)Formworks andFalseworks m2

Please issue anew pay itemnumber for therestraints ofconcrete blocksmade of steelangles, platesand anchor bolts

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ITEM NO.


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RESPONSEshown on DWGNos. STA-S-OS/ON-3010.

12. GBB 8 Annex ASection IV Bid Form FIR-2

Average Monthlyinvoicing OverLast Six Monthsshall becalculated usingthe monthlyinvoice amountsfor a certaincommittedcontract whichwere issuedduring six (6)months countingfrom time forpreparation ofBids

Query:Please clarify themeaning of six(6) monthscounting from

The Form FIR-2 says as follows:Average Monthly Invoicing Over Last Six Months [US$/month)]

As the bid submission date is extended to April 8, theBidder may use invoices issued during October 2020 toMarch 2021.

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ITEM NO.


QUERIES

RESPONSEtime forpreparation ofBids and the six(6) inclusivemonths forinvoicing, forclarify?

13. Volume IA Part 1: Bidding ProceduresSection IV Bidding Form-Bill ofQuantities

Shall we considerthe COVID-19related cost as aprovisional sum?

The Bidder is not required to consider COVID-19 as a provisional sum in the Bidder’s Price Bid.Such costs for COVID-19 will be discussed at the contract negotiation at the Employer’s own discretion, if necessary.

14. Volume IA Part 1: Bidding ProceduresSection IV Bidding Form-Bill ofQuantities

Is the project andthe Contractorexempted fromsecuring orpaying the LGUsMunicipal Tax?

In accordance with the Bureau of Internal Revenue (BIR)Memorandum Circular (RMC) No. 8-2017 dated 9 January 2017,Japanese contractors shall bill and pass on the 12% VAT on sales ofgoods and services to the Government or its executing agenciespursuant to the Exchange of Notes between the GOP and GOJ. Thecircular also provides that (1) VAT-registered suppliers andsubcontractors shall bill and pass on the 12% VAT to the JapaneseContractors/Companies who shall recognize input VAT and pass onto the concerned executing agency; and (2) the JapaneseContractors shall file VAT returns and pay the 12% VAT less theinput credits from purchases of goods and services from theirsuppliers or subcontractors.Refer to the Attachment A of this Annex “BIREAU OF INTERALREVENUES MEMORANDUM CIRCULAR No. 8-2017”.

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ITEM NO.


QUERIES

RESPONSE

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Attachment A

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General Bid Bulletin No.12 Annex “A” Metro Manila Subway ...

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