Page 1 of 2 ADDENDUM No. 2

ADDENDUM No. 2

for

Runway Incursion Mitigation (RIM) Project to Reconfigure Taxiways ‘P’ & ‘U’Bid # FY18-805-55

at the Manchester – Boston Regional Airport

Due to be opened 1:00 p.m., on April 25, 2018

Date: April 23, 2018

The attention of firms submitting proposals for the work named above is called to the following modifications to thedocuments as were issued.

The items set forth herein, whether of clarification, omission, addition and/or substitution, shall be included and forma part of the Proposer’s submitted materials and the corresponding contract when issued. No claim for additionalcompensation, due to lack of knowledge of the contents of this Addendum will be considered.

All Proposer’s are advised that receipt of this notice and all attached material must be duly acknowledged in the spaceprovided on the signature page of the proposal documents, and by the insertion of this sheet, signed, and submittedwith your Proposal package.

This form must be signed and attached to the original copy of your submission.

The attached sheets contain information or clarifications requested or discussed.

Receipt of Addendum No. 2 to the REQUEST FOR PROPOSALS for Runway Incursion Mitigation (RIM)Project to Reconfigure Taxiways ‘P’ & ‘U’ at the MANCHESTER-BOSTON REGIONAL AIRPORT is hereby

acknowledged.

COMPANY NAME:

SIGNED BY:

NAME AND TITLE PRINTED:

TELEPHONE: FAX:

ADDENDUM No. 2

CLARIFICATIONSAddendum Item No.1 -SUBMITTED QUESTION:Item M-007: Specs call for a woven geotextile under the Class C stone fill, but the plan sheet C2.3 calls for theClass C stone fill to sit on a non-woven geotextile. which is correct?CLARIFICATION:Woven geotextile per specification is correct.

Addendum Item No.2 -SUBMITTED QUESTION: Will the manufacturer of the frames & grates for the catch basins be required toprovide four threaded holes (typ) in the grate for the perforated aluminum sheet as well as the standard holesused to bolt the grate to the frame?

CLARIFICATION: Intent is to use the 4 standard holes used to bolt the frame to the grate to also secure thealuminum sheet. Bolt length may need to be adjusted.

Addendum Item No.3 -SUBMITTED QUESTION: Note on drawing C4.6 states AWWA C504 BFV. Can a high performance CS or SSwith replaceable seat be used?

CLARIFICATION: SS High performance valve would be an acceptable alternate.

Addendum Item No.4 -SUBMITTED QUESTION: Will stem extension be epoxy coated CS or SS?

CLARIFICATION: Stainless Steel (SS)

Addendum Item No.5 -SUBMITTED QUESTION: Please confirm class of Ductile Iron Pipe.

CLARIFICATION: Class 52 minimum.

Addendum Item No.6 -SUBMITTED QUESTION: The backfill material called for in the MSE wall specification differs from the materialMSE wall suppliers will require. Refer to NHDOT MSE wall backfill specification.

CLARIFICATION: Material requirements listed in the specification are considered minimum. Per SpecificationSection M-006-1.1B, the wall system shall be designed in accordance with the manufacturer’s requirements. If themanufacturer’s backfill requirements are more restrictive than the specification, they shall govern.

Addendum Item No.7 -SUBMITTED QUESTION: Will the lighted runway closure markers be provided by the Owner or Contractor

CLARIFICATION: The Owner will provide the lighted runway closure makers for use by the Contractor.Contractor will be responsible for transporting, placing, fueling and returning the closure markers.

Addendum Item No.8 -SUBMITTED QUESTION: Bid schedule item D-751-3 shows 13 each of 48" Ø catch basins and bid schedule itemD-751-4 shows 6 each of 72" Ø catch basins. The plan set profiles show 11 each of 48" Ø catch basins and 8 eachof 72" Ø catch basins. Which is correct?

CLARIFICATION: Bid Proposal is Correct.

ADDENDUM No. 2

SPECIFICATIONS

Addendum Item No.9 -Remove pages 13-17 of the Bid Proposal Replace with the Attached pages 13 – 17 of the Bid Proposal.

The following items have been modified or added:

L-100-1 Modifications to ALCMS Equipment (Modified)L-109-2 Constant Current Regulator Installation (Modified)L-858-6 Remove and Replace Sign Panel – 3 Mod (Modified)L-858-7 New Lighted Guidance Sign, - 5 Module (Added)L-858-8 Relocate Lighted Sign and Foundation (Added)

Addendum Item No.10 -Remove the words “or ferroresonant” from the third sentence of paragraph 109-3.9 of Specification Section L-109(Work in Lighting Vault)

Addendum Item No.11 -Add the following paragraphs to Specification Section L-858 (Runway and Taxiway Guidance Signs)

858-3.5 Sign Relocation.Contractor shall carefully remove and relocate the existing guidance sign and precast concrete foundation asshown on the Contract Drawings and as directed by the Engineer. The work item shall include the excavationand restoration of the area. The existing 5kv circuit shall be de-energized prior to performing the work. Thecable shall be removed and replaced. The Contractor shall coordinate runway closures with AirportOperations prior to scheduling the work.

858-4.4 Sign Relocation. The quantity of “Relocate Lighted Sign and Foundation” to be measured underthis item shall be the number of signs relocated, as shown on the Drawings, and accepted by the Engineer.Items shall include but are not limited to, the relocation of the sign, frangible couplings, gasket, anchor bolts,sign tether, concrete foundation, conduit within foundation, concrete encased isolation transformer housing,steel plate cover, isolation transformer, connector kits, L-823 extension cord. Work item includes excavation,backfill, removal of cable. New equipment includes crushed stone, ground rod, grounding, bolts, L-823connectors, heat shrink and restoration of the area.

Conduit and cable installed outside of the concrete foundation shall not be included for payment as part ofthis item but shall be paid for separately under other sections of these specifications.

858-5.4 Payment shall be made at the Contract unit price per “Relocate Lighted Sign and Foundation”installed and accepted by the Engineer. This price shall be full compensation for furnishing all materials andfor all preparation, assembly, and installation of these materials, restoration of the site around each locationas shown on the Plans and for all labor, equipment, tools and incidentals necessary to complete this item.

Add the following pay items to paragraph 858-5.4 of Specification Section L-858 (Runway and Taxiway GuidanceSigns)

Item L-858-7 New Lighted Guidance Sign, - 5 Module Per Each

Item L-858-8 Relocate Lighted Sign and Foundation Per Each

ADDENDUM No. 2

Addendum Item No.12 -Add the following sentence to paragraph 905-4.2 of Specification Section L-905 (Electrical Utility Services)

Lump sum cost shall be based on a maximum four-day duration. If the duration of the service outage exceeds fourdays, the Contractor shall be reimbursed for the direct costs associated with the extended duration. This shallinclude additional rental charges, fuel costs, and a maximum mark-up of 10% on these direct costs.

Plans

Addendum Item No.13 -Remove and Replace the following list of drawings with the attached drawings. Changes are indicated by revisionclouds.

E1.1, E1.3, & E1.10 LIGHTING AND SIGNAGE PLANSE2.1 LIGHTING VAULT PLANE4.4 ELECTRICAL DETAILSE5.3 LIGHT AND SIGN SCHEDULE

END OF ADDENDUM #2

PROPOSAL (BID) DOCUMENTS Page 13 of 19

Manchester-Boston Regional AirportRIM PROJECT TO RECONGIURE TAXIWAYS ‘P’ AND ‘U’

BID FORM

ITEM NO.ESTIMATEDQUANTITY/

UNIT

DESCRIPTION AND UNIT PRICE(IN WORDS)

FIGURES

UNIT PRICE EXTENSION

Dollars Cents Dollars Cents

D-751-13 2 EA

Modify Electrical Manhole

_____________________Dollars and

_____________________ Cents

D-751-14 1 EA

Modify FAA Manhole

_____________________Dollars and

_____________________ Cents

D-752-1 1 LS

Infiltration Chambers

_____________________Dollars and

_____________________ Cents

L-100-1 1 AL

Modifications to ALCMS Equipment

_Twenty five thousand___Dollars and

_______zero __________ Cents

25,000 .00 25,000 .00

L-107-1 1 LS

L-806 Type I-B Size 1 Wind Cone

_____________________Dollars and

_____________________ Cents

L-108-1 61,800 LF

No. 8 AWG, 5kV, L-824, Type C Cable

_____________________Dollars and

_____________________ Cents

L-108-2 12,900 LF

No. 6 AWG, Solid, Bare CounterpoiseWire

_____________________Dollars and

_____________________ Cents

L-108-3 2,600 LF

No. 2 AWG, 600V Wire

_____________________Dollars and

_____________________ Cents

L-108-4 5,500 LF

No. 6 AWG, 600V Wire

_____________________Dollars and

_____________________ Cents

PROPOSAL (BID) DOCUMENTS Page 14 of 19

Manchester-Boston Regional AirportRIM PROJECT TO RECONGIURE TAXIWAYS ‘P’ AND ‘U’

BID FORM

ITEM NO.ESTIMATEDQUANTITY/

UNIT

DESCRIPTION AND UNIT PRICE(IN WORDS)

FIGURES

UNIT PRICE EXTENSION

Dollars Cents Dollars Cents

L-108-5 1,600 LF

1 ¼” Innerduct

_____________________Dollars and

_____________________ Cents

L-109-1 1 LS

Installation of Airport Vault Equipment

_____________________Dollars and

_____________________ Cents

L-109-2 1 AL

Constant Current Regulator Installation

___Seventy Thousand______Dollars and

_______zero _________ Cents

70,000 .00 70,000 .00

L-110-1 320 LF

Concrete Encased Electrical Conduit, 6-way 2” Schedule 40 PVC

_____________________Dollars and

_____________________ Cents

L-110-2 470 LF

Reinforced Concrete Encased ElectricalDuct Bank, 6-way 2” Schedule 40 PVC

_____________________Dollars and

_____________________ Cents

L-110-3 12,425 LF

Concrete Encased Electrical Conduit, 1-way2” Schedule 40 PVC

_____________________Dollars and

_____________________ Cents

L-110-4 475 LF

Concrete Encased Electrical Conduit, 1-way 2” GRSC

_____________________Dollars and

_____________________ Cents

L-110-5 265 LF

Direct Buried Electrical Duct Bank, 2-way6” Schedule 40 PVC

_____________________Dollars and

_____________________ Cents

PROPOSAL (BID) DOCUMENTS Page 15 of 19

Manchester-Boston Regional AirportRIM PROJECT TO RECONGIURE TAXIWAYS ‘P’ AND ‘U’

BID FORM

ITEM NO.ESTIMATEDQUANTITY/

UNIT

DESCRIPTION AND UNIT PRICE(IN WORDS)

FIGURES

UNIT PRICE EXTENSION

Dollars Cents Dollars Cents

L-110-6 1,590 LF

Direct Buried Electrical Duct Bank, 4-way6” Schedule 40 PVC

_____________________Dollars and

_____________________ Cents

L-110-7 700 LF

Concrete Encase Existing Duct Bank

_____________________Dollars and

_____________________ Cents

L-115-1 2 EA

Electrical Handhole 4’x4’ Aircraft Rated

_____________________Dollars and

_____________________ Cents

L-115-2 4 EA

Eversource Manhole

_____________________Dollars and

_____________________ Cents

L-125-1 3 EA

Base Mounted L-862 Elevated RunwayEdge Light

_____________________Dollars and

_____________________ Cents

L-125-2 2 EA

Base Mounted L-850C Semi-FlushRunway Edge Light

_____________________Dollars and

_____________________ Cents

L-125-3 98 EA

Base Mounted L-861T Elevated TaxiwayEdge Light

_____________________Dollars and

_____________________ Cents

L-125-4 123 EA

Base Mounted L-852 Semi-Flush TaxiwayCenterline Light

_____________________Dollars and

_____________________ Cents

L-125-5 4 EA

Base Mounted L-804 Elevated RunwayGuard Light____________________Dollars and

_____________________ Cents

PROPOSAL (BID) DOCUMENTS Page 16 of 19

Manchester-Boston Regional AirportRIM PROJECT TO RECONGIURE TAXIWAYS ‘P’ AND ‘U’

BID FORM

ITEM NO.ESTIMATEDQUANTITY/

UNIT

DESCRIPTION AND UNIT PRICE(IN WORDS)

FIGURES

UNIT PRICE EXTENSION

Dollars Cents Dollars Cents

L-125-6 20 EA

Base Mounted L-852G Semi-FlushRunway Guard Light_____________________Dollars and

_____________________ Cents

L-125-7 3 EA

Base Mounted Field Lighting Arrestor

_____________________Dollars and

_____________________ Cents

L-125-8 105 EA

Removal of Existing Fixture

_____________________Dollars and

_____________________ Cents

L-125-9 1 LS

Temporary Lighting

_____________________Dollars and

_____________________ Cents

L-125-10 1 LS

Valve Actuator Power Rack

_____________________Dollars and

_____________________ Cents

L-858-1 1 EA

New Lighted Guidance Sign, -1 Module

_____________________Dollars and

_____________________ Cents

L-858-2 3 EA

New Lighted Guidance Sign, -2 Module

_____________________Dollars and

_____________________ Cents

L-858-3 3 EA

New Lighted Guidance Sign, -3 Module

_____________________Dollars and

_____________________ Cents

L-858-4 15 EA

Removal of Existing Guidance Sign

_____________________Dollars and

_____________________ Cents

L-858-5 2 EA

Remove and Replace Sign Panel – 2 Mod

_____________________Dollars and

_____________________ Cents

PROPOSAL (BID) DOCUMENTS Page 17 of 19

Manchester-Boston Regional AirportRIM PROJECT TO RECONGIURE TAXIWAYS ‘P’ AND ‘U’

BID FORM

ITEM NO.ESTIMATEDQUANTITY/

UNIT

DESCRIPTION AND UNIT PRICE(IN WORDS)

FIGURES

UNIT PRICE EXTENSION

Dollars Cents Dollars Cents

L-858-6 3 EA

Remove and Replace Sign Panel – 3 Mod

_____________________Dollars and

_____________________ Cents

L-858-7 1 EA

New Lighted Guidance Sign, -5 Module

_____________________Dollars and

_____________________ Cents

L-858-8 1 EA

Relocate Lighted Sign and Foundation

_____________________Dollars and

_____________________ Cents

L-900-1 1 AL

Utility Service Modification

_Two Hundred Thousand_Dollars and

_________Zero________ Cents

$200,000 .00 $200,000 .00

L-900-2 1 LS

Temporary Generators

_____________________Dollars and

_____________________ Cents

T-901-1 82,500 SY

Seeding

_____________________Dollars and

_____________________ Cents

T-905-1 82,500 SY

Topsoil

_____________________Dollars and

_____________________ Cents

F-162-1 1,430 LF

10’ Tall Chain Link Fence

_____________________Dollars and

_____________________ Cents

F-162-2 1 EA

Double Swing Vehicle Gate

_____________________Dollars and

_____________________ Cents

X

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