FY27-10A_Paving_(Addendum_#8_Revision).pdf

Invitation for Bids

FY27-10A Paving

1. Introduction

1.1. Program Background

The Berkshire Regional Planning Commission (BRPC) administers the Berkshire

Regional Group Purchasing Program (BRGPP) on behalf of all 32 Berkshire County municipalities and other public sector entities within Berkshire County.

Invitations to bid for each product category allow vendors to offer products and services based on the municipalities’ location in Northern, Central, or Southern

Berkshire County, or on any combination of the three. The BRGPP services are designed to provide municipalities with the lowest prices available, while also relieving municipal staff of performing the necessary activities required for bidding products and services under the Massachusetts procurement laws.

1.2. Legal Advertisement

The Berkshire Regional Group Purchasing Program (BRGPP), acting on behalf of its participating members, invites bids for joint cooperative purchases for July 1, 2026 through June 30, 2027 for the following highway supplies and service categories:

• FY27-01 Aggregates & Loam

• FY27-02 Cold Patch

• FY27-03 Calcium & Magnesium Chloride

• FY27-04 Culvert Products

• FY27-05 Guardrail Delivered;

• FY27-06 Guardrail Installed

• FY27-07 Line Painting

• FY27-08 Pavement Preservation Products

• FY27-09 Chip Seal

• FY27-10 Hot Mix Asphalt

• FY27-10A Paving

• FY27-11 Winter Rock Salt

• FY27-12 Winter Sand

• FY27-13 Pre-Treat Liquid and Treated Winter Salt

• FY27-14 Gasoline

• FY27-15 Diesel Fuel

• FY27-16 Heating Oil

• FY27-17 Liquid Propane

• FY27-18 Catch Basin Cleaning & Line Jetting

• FY27-19 Tree Work

• FY27-20 Street Sweeping

Bid packages are available starting Thursday, March 12, 2026 at BRGPP's OpenGov online procurement portal found at:

https://procurement.opengov.com/portal/berkshire-planning.

Bids must be submitted through the online procurement portal no later than Friday, April 10, 2026 at 1:00 pm. Bids will then be opened publicly and read aloud.

All bids for services are subject to the prevailing wage rates as per Massachusetts

General Laws Chapter 149, Section 26 to 27F inclusive and Chapter 30, Section

39M, and a 5% bid deposit is required, in the form of a bid bond or certified check, unless specified in the bid package.

All bidders must be pre-qualified by MassDOT for the following approved classes of work and their respective estimated values:

• NO VALUE-06 Guardrail and Fencing: $40,114.00

• NO VALUE-07 Pavement Markings: $607,154.50

• NO VALUE-08 Pavement Surfacing: $1,748,500.00

• NO VALUE-09 Pavement Surfacing: $59,580.00

• NO VALUE-10A Pavement Surfacing:

o Northern Berkshire County: $985,671.00 o Central Berkshire County: $332,730.00 o Southern Berkshire County: $1,729,980.00

• NO VALUE-29-18 Catch Basin Cleaning: $591,000.00

• NO VALUE-29-19 Tree Trimming, Maintenance, and Removal: $1,230,240.00

• NO VALUE-20 Street Sweeping: $61,440.00 https://procurement.opengov.com/portal/berkshire-planning

As the awarding authority, BRGPP and its participants reserve the right to accept or reject any or all bids, in total or in part, and to take whatever action is deemed most favorable to the best interest of all the participants. Minority and woman-owned businesses are encouraged to submit bids. All bids will receive consideration without regard to race, color, religion, national origin, sex, age, sexual orientation, or disability. BRGPP is an Affirmative Action/Equal Opportunity Employer.

1.3. Program Timeline

Release Project Date: March 12, 2026

Question Submission Deadline: April 3, 2026, 4:00pm

Question Response Deadline: April 7, 2026, 4:00pm

Proposal Submission Deadline: April 10, 2026, 1:00pm

Contractor Selection Date: April 27, 2026

2. General Instructions - G.L. c.30, §39M

1. Duration of Contract – The Period of the contract is from July 1, 2026 through June 30, 2027.

2. Applicable Bidding Laws – All bids for this project are subject to applicable public bidding laws of Massachusetts, including, but not limited to G.L. c.30, §39M.

3. Prevailing Wage – Attention is directed to the prevailing wage rates to be paid as determined by the Commissioner of Labor and Workforce

Development and the weekly payroll record submittal requirements under the provisions of Massachusetts General Laws, Chapter 149, Section 26 through 27D inclusive.

4. Bid Response Instructions – All bid responses must be submitted through

BRGPP's OpenGov procurement portal posting for this project found at https://procurement.opengov.com/portal/berkshire-planning/projects/244777. All bid responses must be submitted by Friday, April 10, 2026 at 1:00 pm. All required documents must be submitted in the format specified, all fields must be completed as specified and the documents must be submitted to the correct project folder in order for the bid response to be complete. Hard copy bid responses will not be accepted. It is the https://procurement.opengov.com/portal/berkshire-planning/projects/244777 bidder’s sole responsibility to familiarize themselves with the OpenGov procurement portal and the online bid submission process and requirements. Late bids will not be accepted. Any bid may be withdrawn prior to the above scheduled time for the opening of bids or authorized postponement thereof. Any bid received after the time and date specified will not be considered. The bidder agrees that its bid shall be good and may not be withdrawn for a period of 30 days, Saturdays, Sundays, and legal holidays excluded, after the opening of bids.

5. Minimum Requirements – You must have the following completed documents in the bid package in order to meet the minimum requirement:

a. Bid Form and Bid Signature Page

b. Tax Compliance Form

c. Non-Collusion Form

d. Debarment Form

e. OSHA Statement

f. Reference Form

If the total value of this bid exceeds $50,000:

g. Bid security consisting of a BID BOND, CASH, or, CERTIFIED CHECK issued by a responsible bank or trust company in the amount of 5% of the bid price.

6. Examination of Site and Documents – Before submitting a bid, each bidder should (a) examine the contract documents thoroughly; (b) address any questions, if necessary, ; (c) familiarize themselves with federal, state and local laws, bylaws, rules and regulations that may in any manner affect cost, progress or performance of the Work; and (d) study and carefully correlate bidder's observations with the contract documents. The submission of a bid will constitute an incontrovertible representation by the bidder that they have complied with every requirement of this article and that the contract documents are sufficient in scope and detail to indicate and convey understanding of all terms and conditions for performance of the work.

Withdrawing a bid could lead to bid bond/deposit forfeiture. The supplier will be bound by all applicable statutory provisions of law of the Federal

Government and the Commonwealth of Massachusetts.

7. Rejection of Bids – The BRGPP and program participants reserve the right to reject any and all bids, in total or in part. Bids which are incomplete, not properly endorsed or signed, or otherwise contrary to instructions will be rejected as non-responsive by the Chief Procurement Officer (CPO) and will cancel the bid process.

8. Subcontractors – If any aspect of this bid is to be subcontracted, prior approval by BRGPP is required. The bidder must submit the name of any subtractors and their relevant qualifications. Bidders shall be responsible for satisfactory performance and adequate oversight of any subcontractors.

Subcontractors are required to meet the same state and federal financing and program reporting requirements and are held to the same reimbursable cost standards as are bidders.

9. Taxes – The BRGPP and all program participants are exempt from the payment of Federal Excise Taxes and Massachusetts Sales Tax for the purposes of this specific contract Therefore, prices quoted herein are not to include these taxes.

10.Prices to Remain Firm – The bidder will be held to the terms and the prices on the bid form for the duration of the contract period. This bid will only be made available to the program participants. If the bid form requests a delivered price bid for a specific participant, that quotation will be for use by that participant only.

11.Modification or Withdrawal, Mistakes, or Minor Informalities – Minor defects on a bid submittal may be waived by the BRGPP as long as the error or variation is not prejudicial to the other bidders or preferential to one bidder and that it may be corrected without effect upon substantive elements of the bid such as, but not limited to, price, quality, payment terms or delivery schedule. Resolution will be determined by the CPO.

12.Indemnification – The successful bidder will indemnify and hold harmless the BRGPP and program participants for all damages to life and property that may occur due to bidder negligence or that of their employees, subcontractors, etc., during the contract.

13.Substitute Material or Equipment – Any restrictions, qualifications, or deviations from specifications must appear either on the bid form or on an attachment thereto. The contract, if awarded, will be so on the basis of material and equipment described/specified in the bid specifications. Whenever it is indicated in the bid specifications that a substitute or "approved equivalent" item of material or equipment may be furnished or used by bidder if acceptable, application for such acceptance will not be considered by the BRGPP until after the "effective date of the

Agreement".

14.Contract – A contract (or contracts) will be signed between the awarded bidder(s) and the BRGPP, acting on behalf of the program participants. If a specific town or other municipal entity is mentioned in the contract, that entity will be bound by the conditions of the contract. If the entity is bound by an existing contract for the bid item, the existing contract shall take precedence. The contract agreement is on file at https://procurement.opengov.com/portal/berkshire-planning/contracts. The contract will include, but not be limited to, all general and specific conditions contained in the Invitation for Bid, all changes, and the bid form submitted by the awarded bidder.

15.Rule for Award – The contract(s) resulting from this bid will be awarded to the lowest price eligible and responsive bidder taking into consideration past performance and reliability of the bidder, quality of product and/or service, and degree of exclusion, exemption, or restrictions on the bid form. BRGPP retains the right to award this bid, or any subsection therein, to more than one bidder. In this case, program participants retain the right to purchase from any of the awarded bidders.

16.Division of Award - Program participants may be grouped geographically and this bid awarded along the divisions of these groupings. In such a case, the participants will be grouped into the following county subsections:

https://procurement.opengov.com/portal/berkshire-planning/contracts

a. Northern Berkshire County - Adams, Cheshire, Clarksburg, Mount

Greylock Regional High School, New Ashford, North Adams, Savoy, Williamstown

b. Central Berkshire County - Dalton, Hinsdale, Lanesborough, Lenox, Peru, Pittsfield, Richmond, Washington, Windsor

c. Southern Berkshire County - Alford, Becket, Egremont, Great Barrington, Lee, Monterey, Mount Washington, Otis, Sandisfield, Sheffield, Stockbridge, Tolland, Tyringham, West Stockbridge

17.Contract Award – The CPO shall award the contract by written notice to the winning bidder within 30 days of the IFB deadline. The parties may extend the time for acceptance by mutual agreement.

18.Contractual Terms – Contractual terms and conditions will consist of the standard terms and conditions clauses contained within the Standard

Contract within this IFB. Any term not objected to will be deemed to have been accepted by the bidder. Exceptions to the terms and conditions may result in the respondent’s offer being deemed as non-responsive.

19.Invoices – The BRGPP will in no way be responsible for the actions of program participants. Payments of invoices will be made within 30 days upon receipt of the invoice by each participant that requested goods or services.

All awards are dependent upon the participants receiving appropriate funding for the projects.

20.Quarterly Reporting– Any winning bidder agrees to submit to BRGPP quarterly reports on the OpenGov platform containing the total amount of goods and services purchased by program participants pursuant to the awarded contract. Quarterly reports will be due twenty-one days after the end of each fiscal quarter on the following dates:

a. October 21, 2026

b. January 21, 2027

c. April 21, 2027

d. July 21, 2027

21.Administrative Fee – Any winning bidder agrees to pay to BRGPP a quarterly administrative fee equal to 1.75% of the total amount reported in each quarterly report. This fee will be calculated by BRGPP upon receival of a quarterly report and the submitting winning bidder will be invoiced.

22.Changes and Addenda – Any clarification of requirements or requests for additional information by proposers must be submitted through BRGPP's

OpenGov procurement portal posting for this project found at https://procurement.opengov.com/portal/berkshire-planning/projects/244777 and submitted no later than Friday, April 3, 2026.

Answers to all questions will be made in writing and posted online as an addendum in the same location. Only questions answered by formal written addenda will be binding. Oral and other interpretations or clarifications will be without legal effect.

23.Communication – For any bid document that is received electronically, it is the responsibility of every bidder who receives this bid and all associated documents to check BRGPP's OpenGov procurement portal posting for this project for any addenda. Bidders may not alter (manually or electronically) the bid language or any bid documents. Notices will be sent out to bidders to the email provided with any changes.

24.Massachusetts Department of Transportation Prequalification –

MassDOT Prequalification on the requisite category will be required for the following categories:

a. Guardrail Installed

b. Line Painting

c. Pavement Preservation Products

d. Stone Sealing

e. Paving (Applied in Place)

f. Catch Basin Cleaning & Line Jetting

g. Tree Work

h. Street Sweeping

Bidders are encouraged to visit the MA DOT Prequalification website at: https://www.mass.gov/prequalification-program?_gl=1*tb2kds*_ga*MTA5OTY5MjQ2LjE2MjYzNDU2MzU.*_ga_MC

LPEGW7WM*MTcxMDQyNTk1OS4yMTIuMC4xNzEwNDI1OTU5LjAuMC4w

27.Fair Employment Practices – During the performance of this contract, the bidder and all of their subcontractors, for themselves , their assignees, and successors in interest, agree as follows: The Bidder, in the performance of all work during, after and prior to completion of work under this Agreement, will not discriminate on grounds of race, color, religious creed, national origin, age or sex in employment practices, in the selection or retention of subcontractors, or in the procurement of materials and rentals of equipment. (Fair Employment Practices law of the Commonwealth M.G.L.

Chapter 151B.) The Bidder by signing this Agreement agrees to abide by the above paragraph to the best of their ability.

28.References – The bidder must provide the contact information (entity name, contact name, title, phone number & email address) for three client references on projects of similar type, scale, and complexity.

29.OSHA Certification is Required – All contractors working on public works projects will be required to certify that ALL employees employed at the worksite have successfully completed an OSHA-approved course in construction safety at least 10 hours in duration. This law requires general contractors to have on file records of all employee’s OSHA 10- hour training and provide proof to the various agencies in charge of the work. This also applies to all subcontractors, hired trucks, and hired equipment with operators. Every bidder must certify that all persons who are employed by them for this bid are certified. Proof does not have to be submitted with this bid but must be available upon request.

30.Contract Execution Will Be Conditioned upon Producing:

a. A labor and materials payment bond in the among 50% of the awarded contract, issued by a surety company licensed by the Massachusetts State

Division of Insurance;

i. An insurance certificate as outlined in the Insurance Requirements section of this bid.

https://www.mass.gov/prequalification-program?_gl=1*tb2kds*_ga*MTA5OTY5MjQ2LjE2MjYzNDU2MzU.*_ga_MCLPEGW7WM*MTcxMDQyNTk1OS4yMTIuMC4xNzEwNDI1OTU5LjAuMC4w https://www.mass.gov/prequalification-program?_gl=1*tb2kds*_ga*MTA5OTY5MjQ2LjE2MjYzNDU2MzU.*_ga_MCLPEGW7WM*MTcxMDQyNTk1OS4yMTIuMC4xNzEwNDI1OTU5LjAuMC4w https://www.mass.gov/prequalification-program?_gl=1*tb2kds*_ga*MTA5OTY5MjQ2LjE2MjYzNDU2MzU.*_ga_MCLPEGW7WM*MTcxMDQyNTk1OS4yMTIuMC4xNzEwNDI1OTU5LjAuMC4w

Failure or refusal of the winning bidder to execute and deliver a signed contract, worker’s compensation insurance affidavit, certificate of insurance, and labor and materials bond acceptable to the CPO within ten days after notice of contract award will result in the forfeiture of the bid bond as liquidated damages. The contract will be awarded to the next lowest qualified bidder or the IFB re-advertised, as the BRGPP believes is in the best public interest. The bid deposit shall be returned upon execution of the contract.

31.Prevailing Wage and Certified Payroll – Certified payroll is to be submitted to on a weekly basis directly to the program participant for which the work is being performed. If subcontractors are employed, a copy of the prevailing wage schedule shall be provided, and all certified payrolls shall include subcontractors. A certified payroll sheet can be found at https://www.mass.gov/prevailing-wage-program.

Attached are the pertinent tables in effect for this work.

32.Bid Deposit – If the total value of this bid exceeds $50,000, the bidder must submit with its bid a bid deposit equal to 5% of the total value. The total value is obtained by multiplying the total expected quantity of products by their respective bid prices. The bid deposit may be in the form of a certified check, bank treasurer's or cashier's check, or a bid bond from a licensed surety company. The surety bond may state the amount to be "five percent

(5%) of the amount bid". The bidder must submit the bid bond digitally through this electronic bid.

33.Price Reductions – It is understood that any price reduction for materials that occurs between the opening of this bid and delivery of any order, the benefit of all such reductions will be extended to program participants.

34.Defective Equipment, Material, and Workmanship – The bidder to whom a contract is awarded guarantees to the BRGPP and Participants all equipment, materials, or workmanship for a period of one (1) year after inspection and acceptance and shall replace promptly any defective equipment, material, or workmanship without additional cost to the https://www.mass.gov/prevailing-wage-program

Participants.

35.Non-Favoritism - The bidder shall not provide any other customer of similar size and similar terms and conditions with a lower price for the same commodity or service during the contract period, unless this same lower price is immediately effective for all program participants. The bidder shall also provide current or historical pricing offered or negotiated with other governmental or private entities at any time during the contract period at the request of the CPO.

36.Public Records Law - All responses and information submitted in response to this bid are subject to the Massachusetts Public Records Law including, but not limited to, G.L. c.66, §10 and c.4 §7. Any statement in submitted responses that are inconsistent with these statues shall be disregarded.

37.Police and Flagging – The program participant will remain responsible for any required police and flagging detail for the duration of the contract.

38.Scheduling - When program participants schedule services, they shall be placed in a considerate order and not be postponed for scheduling their service(s). Services cannot be postponed for more than two weeks from the originally scheduled date agreed upon between the participant and the awarded bidder. Postponement of services past two weeks may result in potential disqualification of the awarded bidder from future bid awards.

39.Delivery and Service Hours - Unless otherwise agreed with program participants, winning bidders shall deliver goods and render services during normal business hours (7AM - 5PM) on Monday through Friday, excepting applicable state and federal holidays.

3. Insurance Requirements

The winning bidder shall always during the contract maintain in full force and effect employer’s liability, worker’s compensation, bodily injury liability and property damage, and general liability insurance, including contractual liability coverage.

All insurance shall be by insurers and for policy limits acceptable to the BRGPP.

Before the commencement of work hereunder, the winning bidder agrees to furnish the BRGPP certificates of insurance or other evidence satisfactory to the BRGPP to the effect that such insurance has been procured and is in force.

For the purpose of the contract, the winning bidder shall carry the following types of insurance in at least the minimum amounts specified below:

Coverage Type Policy Limits

Worker’s Compensation Statutory*

Employer’s Liability $1,000,000

Automobile Liability $1,000,000 combined single limit for bodily injury and property damage

General Liability $1,000,000 each occurrence;

$3,000,000 aggregate

Excess/Umbrella Liability $4,000,000

* A Worker’s Compensation Insurance Affidavit: General Business as issued by the

Massachusetts Department of Industrial Accidents will be required of the winning bidder(s) at contract singing. See https://www.mass.gov/orgs/executive-office-of-labor-and-workforce-development

The BRGPP and the Program Participants shall be named as an additional insured under the liability and automobile insurance. The excess/umbrella liability insurance policy should contain a broad-form general liability endorsement.

4. Bid Specifications

The following section provides specifications for the goods and services contained in this bid. Unless otherwise noted, specifications for all product categories shall adhere to the Commonwealth of Massachusetts Department of Transportation

Standard Specifications for Highways and Bridges, 2026Edition. The documents provided by MassDOT outlining these specifications can be found attached to the end of this bid, as well as at the MassDOT website:

https://www.mass.gov/lists/construction-specifications.

4.1. Paving Specifications

General

1. All products and services involving the use of hot mix asphalt shall be subject to the MassDOT hot mix asphalt price adjustment mechanism described in the MONTHLY PRICE ADJUSTMENT FOR HOT MIX ASPHALT (HMA) MIXTURES document attached to this bid. The most recent base price for liquid asphalt provided by MassDOT is $615.00 per ton. More information may be found on the MassDOT website: https://www.mass.gov/info-details/massdot-current-contract-price-adjustments;

Section 02200 – Earthwork: General https://www.mass.gov/orgs/executive-office-of-labor-and-workforce-development https://www.mass.gov/orgs/executive-office-of-labor-and-workforce-development https://www.mass.gov/lists/construction-specifications https://www.mass.gov/info-details/massdot-current-contract-price-adjustments https://www.mass.gov/info-details/massdot-current-contract-price-adjustments

Description

1. Section includes: requirements for earthwork related to construction of sitework other than the buildings, including but not limited to:

a. Strip, screen, and stockpile topsoil for reuse on-site as loam borrow;

b. Perform all earthwork for site utilities and landscaping areas as indicated on the Plans;

c. All cuts and fills, embankments, controlled fills, slopes, excavation, compaction, pavement milling, granular aggregate materials, trenching, bedding and backfills site utilities, rough grading, roadway grading, sidewalk grading, fine grading, subgrade, and geotextile roadway stabilization fabric;

d. Rock excavation;

e. Discharge aprons, vegetated swales, reinforced vegetated waterway and embankment repair, sub-drain, and other drainage appurtenances;

2. Related sections:

a. Erosion & Sedimentation Controls – 02050;

b. Paving – 02511;

c. Loam, Seed, Straw Mulch and Cleanup – 02900;

Submittals

1. Comply with pertinent provisions of the Standard Specifications, the Plans and details, and as stated herein;

2. Product Data: Submit manufacturer’s technical product data and installation instructions for materials and products of this Section:

a. Geotextile Filter Fabric;

4. Tests and Samples:

a. Ordinary Gravel, Gravel Borrow Type B, Processed Gravel, Crushed Stone;

5. Record Data: In accordance with the provisions of Division 1, prior to project closeout, submit Record Data of work installed under this Section:

a. Location of materials used shown on Plans and Profiles.

Quality Assurance

1. Use adequate numbers of skilled workers who are thoroughly trained and experienced in the necessary crafts and who are completely familiar with the specified requirements and the methods needed for proper performance of the work in this Section.

Codes and Standards

1. Perform earthwork complying with requirements of authorities with jurisdiction.

Section 02200 – Earthwork: Products

1. The materials furnished under this Section shall conform to the following specifications:

a. Wherever in this Section the term “Standard Specifications” is used, it shall be read to mean the relevant provisions of the Massachusetts

Highway Department Standard Specifications for Highways and Bridges, 2023 Edition;

2. Soil Materials: Provide approved borrow soil materials from off-site. Existing site soils that comply, or are made to comply with the specifications, may be reused;

3. Gravel Borrow: Shall consist of hard, durable sand and gravel, and shall be free from ice, snow, roots, sod, rubbish and other deleterious or organic matter. Gravel Borrow shall conform to Standard Specifications, M1.03.0

Type B 3-inch maximum stone size;

4. Reclaimed Pavement Borrow: Shall conform to Standard Specifications, M1.09.0;

5. Unsatisfactory Soil Materials: ASTM D 2487 classification groups GC, SC, ML, MH, CL, CH, OL, OH, and PT and topsoil, subsoil and man-made fill containing brick, concrete, trash, debris, clay or other deleterious material;

6. Backfill and Fill Materials: Granular off-site soils as specified. Note:

Processed materials from on-site excavation may be reused provided they are made to comply with the specifications;

7. Granular Fill Types I and II shall be free from ice, snow, roots, sod, rubbish, and other deleterious or organic matter. It shall conform to the following gradation requirements:

Sieve Size Percent Finer by

Weight

* 100%

No. 10 30-95%

No. 40 10-70%

No. 200 0-15%

*Note: Granular Fill Type I shall have maximum size equal to two-thirds (2/3) of the loose lift thickness when not being used as pipe bedding or two (2) inches when used as pipe bedding. Granular Fill Type II shall have minimum size of one-half

(1/2) inches when used as pipe bedding.

8. Loam Borrow shall conform to Standard Specifications, M1.05.0. this may include screened topsoil obtained from the site;

9. Crushed Stone shall consist of durable crushed stone, free from ice, snow, and clay, loam, or other deleterious material. The crushed stone shall be uniformly blended and shall conform to the following requirements:

Sieve Size Percent Finer by

Weight

1" 100%

3/4" 90-100%

1/2" 10-50%

3/8" 0-20%

No. 4 0.5%

10.Riprap shall conform to Standard Specifications, M2.02.0. Riprap shall be well-graded;

11.Geotextile: For Roadway Stabilization – To be Mirafil 140N Non Woven Filter

Fabric or approved equal. For Bank Stabilization – To be North American

Green P550 or approved equal.

Section 02200 – Earthwork: Execution

General

1. Refer to the Standard Specifications where applicable.

Definitions of Terms

8. Unclassified Excavation includes excavation of pavements and other obstructions visible on ground surface; underground structures, utilities, and other items indicated to be demolished and removed; together with earth and all other materials encountered that are not classified as rock or unauthorized excavation;

9. Rock excavation in trenches and pits includes removal and disposal of materials and obstructions encountered which cannot be excavated with a

1.0 cubic yard (heaped) in capacity, 42” wide bucket on track-mounted power excavator equivalent to Caterpillar Model 215, rated at not less than

90 HP flywheel power and 30,000 lb. drawbar pull. Trenches in excess of

10’-0” in width and pits in excess of 30’-0” in either length or width are classified as open excavation;

10.Rock excavation in open excavation includes removal and disposal of material and obstructions encountered that cannot be dislodged and excavated with modern track-mounted heavy-duty excavation equipment without drilling, blasting, or ripping. Rock excavation equipment is defined as Caterpillar

Model No. 973 or No. 977K, or equivalent track-mounted loader, rated at not less than 170 HP flywheel power and developing 40,000 lb. break out force

(measured in accordance with SAE J732C);

11.Typical of materials classified as rock are boulders two (2) cubic yards or more in volume, solid rock, rock in ledges, and rockhard cementitious aggregate deposits;

12.Intermittent drilling, blasting, or ripping performed to increase production and not necessary to permit excavation of material encountered will be classified as unclassified excavation;

13.Do not perform rock excavation work until a pre-blast survey in accordance with Massachusetts State Regulations has been performed and material to be excavated has been cross-sectioned and classified by an

Architect/Engineer. Such excavation will be paid for on basis of contract conditions relative to changes in work;

14.Unit Price Rock Measurement: Volume of rock or solid concrete masonry actually removed, measured in original position, but not to exceed the following:

a. 8 inches below finish grades of areas to be vegetated (other than bottoms of storm water detention or water quality basins);

b. 12 inches outside of concrete forms at footings;

c. 6 inches outside of minimum required dimensions of concrete cast against grade;

d. 6 inches beneath bottom of concrete bases or slabs on grade;

e. 6 inches beneath invert elevation of pipe in trenches, and 24 inches wider than pipe diameter;

f. Unit prices for rock excavation include replacement with approved materials;

g. 24 inches beyond and beneath balled roots of tree plantings;

h. 12 inches below subgrade of organic soil for bottoms of water quality basins;

15.Subgrade: The lowermost surface of an excavation below fill or the surface of a fill or backfill immediately below subbase, drainage fill, or topsoil materials;

16.Borrow: Soil material obtained off-site when sufficient approved soil material is not available from excavations;

17.Subbase Course: The layer placed between the subgrade and surface pavement or walk;

18.Drainage Fill: Washed granular material as specified;

19.Unauthorized excavation consists of removing materials beyond indicated subgrade elevations or dimensions without direction by the Architect and

Owner’s Geotechnical Engineer. Unauthorized excavation, as well as remedial work directed by the Architect and the Owner’s Geotechnical

Engineer, shall be at the Contractor’s expense;

20.Structures: Buildings, footings, foundations, retaining walls, slabs, tanks, curbs, mechanical and electrical appurtenances, or other man-made stationary features constructed above or below ground surface;

21.Utilities include underground pipes, conduits, ducts, cables, and underground services including related structures;

Execution

1. Preparation: Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by earthwork operations;

2. Install and maintain erosion and sedimentation control measures throughout duration of project;

3. Prevent surface water and subsurface or ground water from entering excavations, from ponding on prepared subgrades, and from flooding Project site and surrounding area. De-water with pumping from sumps as required to maintain all excavations in the dry with water level at least twelve (12) inches below final excavation bottom;

4. Protect subgrades and foundation soils from softening and damage by rain or water accumulation and from freezing temperatures or frost. Frozen or overly wet materials shall not be used as backfill and shall be replaced with

Gravel Borrow;

5. Explosives: Use of explosives shall be by licensed personnel in accordance with applicable safety code regulations and comply with conditions of permits for this project. There shall be no blasting within 200 feet of any portion of a building foundation;

6. Excavation includes excavation of earth, pavements and other obstructions visible on surface; underground structures, utilities, and other items indicated to be demolished and removed, and other material encountered that are not classified as rock. Rock excavation includes removal and disposal of rock materials, solid concrete masonry, and boulders two (2) cubic yards or more in volume that cannot be removed without systematic drilling or ripping;

7. Excavate for structures, pavements, and walks to indicated elevations and dimensions. Widen excavations and stabilize side slopes as required to permit placing and removing concrete formwork, installing foundation drains, services and other construction, and for inspections. Trim subgrades to required lines and grades to leave solid base to receive other work. All topsoil, subsoil and unsuitable (such as brick fill, debris) within the building, parking and roadway limits shall be excavated to suitable bearing soils. Excavation shall extend laterally outside the building to limits determined by a 1-horizontal to 1-vertical line projected downward from the edges of the perimeter footings to the top of the bearing soil;

8. Pavement Milling shall comply with Section 120 of the Standard

Specifications;

9. Excavate utility trenches to indicated slopes, lines, depths, and invert elevations of uniform widths to provide a maximum of 12 inches of working clearance on each side of the pipe or conduit. NOTE: The Contractor shall be responsible for design and implementation of trench support works required by all applicable safety codes:

a. Excavate and shape trench subgrade to provide uniform bearing and continuous support for pipe and conduit. Where encountering rock or other unyielding bearing surface, carry trench excavation below invert elevation to receive bedding course in accordance with bedding details;

10.Foundations or specified base course for pavements shall be placed as soon as possible following excavation of final subgrade and subgrade approval by the Owner’s Geotechnical Engineer. Final excavation to subgrade shall be performed using a smooth-edged bucket;

11.Where groundwater is more than four (4) feet below exposed subgrade for pavement and building foundations, the subgrade shall be proof-compacted with four (4) passes of a 1,200- to 1,500-pound vibratory drum roller;

12.Where groundwater is four (4) feet or less below exposed subgrade for building foundations, the subgrade shall be over-excavated twelve (12) inches and ¾-inch crushed stone surrounded with non-woven filter fabric shall be placed to subgrade elevation. Compaction of the subgrade shall not be performed;

13.Where groundwater is four (4) feet or less below pavement subgrade, proof-compacting with a 1,200- to 1,500-pound vibratory drum roller may be performed based on observations and approval by the Owner’s Geotechnical

Engineer;

14.Upon final approval of all subgrades, no traffic shall be allowed on the exposed subgrades;

15.Approval of Subgrade: When the Owner’s Geotechnical Engineer determines that unforeseen unsatisfactory soil is present, continue excavation and replace with Granular Fill, Type I, as directed. Payment will be made according to Contract provisions for changes in the work:

a. Remove and replace subgrade soils or previously placed fill damaged by freezing temperatures, frost, rain, accumulated water, or construction activities at no additional cost to the Owner. Limits of removal shall be determined by the Owner’s Geotechnical Engineer;

16.Fill unauthorized excavation under foundations or wall footings with compacted Granular Fill, Type I, by extending indicated bottom elevation of concrete foundation or footing to excavation bottom without altering required top elevation. Fill unauthorized excavations under other construction as directed by the Owner’s Geotechnical Engineer;

17.Store excavated and borrow soil materials acceptable for backfill and fill in shaped, graded, drained, and covered stockpiles. Locate stockpiles away from edge of excavations and outside drip line of remaining trees;

18.Backfill excavations promptly following acceptance of affected work below final grade;

19.Utility Trench Backfill: Place, compact, and shape Granular Fill, Type I or II, as required on the Plans, to provide continuous support for pipes and conduits over rock and other unyielding bearing surfaces and to fill unauthorized excavations. NOTE: Place and compact initial backfill of

Granular Fill, Type I or II, free of particles larger than 1 inch, to a height of

12 inches over the utility pipe or conduit. Place and compact final backfill of

Granular Fill, Type I or II, to final subgrade:

a. Coordinate backfilling with utilities testing;

b. Install warning tape directly above utilities, 12 inches below finished grade, except 6 inches below subgrade under pavements and slabs;

20.Fill Preparation: Bench existing sloped surfaces steeper than 1 vertical to 4 horizontal so fill material will bond with existing surface;

21.Uniformly moisten or aerate backfill layer to within 2 percent of optimum moisture content before compaction:

a. Remove and replace, or scarify and air dry, backfill that is too wet to compact to specified density;

22.Compaction: Place backfill and fill materials in layers not more than 12 inches in loose depth for material compacted by heavy compaction equipment, and not more than 6 inches in loose depth for material compacted by hand-operated tampers. Place evenly alongside structures and utilities to required elevations;

23.Compact soil to not less than the following percentages of maximum dry density according to ASTM D 1557:

a. Embankments – Compact full height and width to 95%;

b. Under structures, building slabs, steps, and pavements – Compact the top

12 inches below subgrade and each layer of backfill or fill material to

95%;

c. Under lawn or unpaved areas – Compact the top 6 inches below subgrade and each layer of backfill or fill material to 85%;

d. Under walkways – Compact the top 6 inches below subgrade and each layer of backfill or fill material to 95%;

e. Impervious soil embankments – Compact full depth to 95%;

f. Organic soil for wetland plantings – Compact to 85%;

24.Grading: Uniformly grade areas to a smooth surface, free from irregular surface changes. Comply with compaction requirements and grade to cross sections, lines, and elevations indicated. Grade lawns, walks, and unpaved subgrades to tolerances of plus or minus 0.10 foot and pavements and areas within building lines to plus or minus ½ inch;

25.Subbase: Under pavements and walks, place subbase course material on prepared subgrades and compact at optimum moisture content to required grades, lines, cross sections, and thickness:

a. Place shoulders along edges of subbase to prevent lateral movement. Construct shoulders at least 12 inches wide of acceptable soil materials and compact simultaneously with each subbase layer;

26.Protection: Repair and reestablish grades where completed or partially completed surfaces become eroded, rutted, settled, or lose compaction;

27.Disposal: Remove waste materials which are unsatisfactory for reuse including unsatisfactory fill materials, trash, and debris, and legally dispose of it off the Owner’s property;

28.Off-site Stockpile: There are no designated off-site stockpiles;

29.Control sediments to prevent entry into drainage system;

30.Any areas of old fill that are determined by the Owner’s Geotechnical

Engineer to be unsuitable shall be removed and replaced with granular fill and re-compacted;

31.Construct subdrain if required to intercept groundwater springs, as shown on the Plans and as directed by the Field Engineer;

32.Geotextile for roadway stabilization as shown on the Plans and as directed by the Field Engineer;

33.Geotextile for bank stabilization as shown on the Plans and per manufacturer recommendations;

34.Testing and Inspection:

a. Testing and Inspection Service: The Owner will engage a qualified independent testing agency to perform laboratory testing of proposed on-site and borrow soils to verify that soils comply with specified requirements;

b. Material tests shall be performed and results submitted to the Owner’s

Geotechnical Engineer for review and approval a minimum of five (5) working days prior to use;

c. Laboratory gradation tests shall be performed at the frequency of at least one (1) test per proposed soil type per source and as necessary judged by the Owner’s Geotechnical Engineer based on visual variations during construction from the soil originally submitted and approved;

d. Field Quality Control: The Contractor shall allow the Owner’s Engineer access to inspect and test each subgrade and each fill or backfill layer. The Contractor shall not proceed until test results for previously completed work verify compliance with requirements:

i. Perform field in-place density tests according to ASTM D 1556 (sand cone method), ASTM D 2167 (rubber balloon method), ASTM D 2922

*nuclear method) or ASTM D 2937 (drive cylinder method), as applicable;

ii. Paved Areas: At subgrade and at each compacted fill and backfill layer, perform at least one (1) field in-place density test for every 2,000 sq.

ft. or less of paved area or building slab, but in no case fewer than three (3) tests;

iii. Foundation Wall Backfill: At each compacted backfill layer, perform at least one (1) field in-place density test for each 100 feet or less of wall length, but in no case fewer than two (2) tests;

iv. Trench Backfill: In each compacted initial and final backfill layer, perform at least one (1) field in-place density test for each 150 feet or less of trench, but in no case fewer than two (2) tests;

35.When testing results indicate that subgrades, fills, or backfills are below specified density, the Contractor shall scarify and moisten or aerate, or remove and replace soil to the depth required, re-compact or retest until obtaining the required density.

Section 02200 – Earthwork: Measurement and Payment

1. Lump Sum Price: Items shall be paid for as part of the contract stipulated price with no separate measurement or payment;

2. Unit Price: Items will be measured in place according to the limits specified herein and paid for as part of the contact stipulated price;

3. All unit price items shall include labor, tools, equipment, materials, compacting, dewatering, excavations, backfills, shoring, grading, and any other necessary work to complete the item as specified, as shown on the

Plans, or as directed by the Field Engineer. The following are additional requirements for each item:

a. There will be no additions or deductions for compaction and swelling;

b. For purposes of weight conversion, the unit weight of gravel borrow, compacted in place, will be 128 lbs/cubic foot or 1.728 tons/cubic yard.

The Contractor shall provide the Field Engineer with signed and dated weight slips;

c. For purposes of weight conversion, the unit weight of crushed stone, complete in place, will be 1.34 tons/cubic yard. The Contractor shall provide the Field Engineer with signed and dated weight slips;

4. Milling will be measured and paid for by the contract unit price, per square yard, which price shall include all pavement excavations, grading to subgrade and finish grades, cuts, fills, milling of keyways, milled joints, etc.

Item additionally includes trucking and disposal of all items as required and as noted herein, as applicable, removing and stacking, resetting and/or relocating items and all permits and work required to obtain permits. The millings may be removed and stored (as incidental work) at the DPW yard as specified by the Highway Department Superintended. Equipment and labor for millings removal and stockpiling shall be incidental to this item.

Section 02511 – Bituminous Concrete Paving: General

1. Section includes: paving and miscellaneous related items including but not limited to the following:

a. Construct bituminous concrete pavements for roadways; match existing pavements with keyed trench;

b. Saw cut existing pavement;

c. Repair existing pavement;

d. Roadway milling;

2. Related Sections:

a. Earthwork – 02200.

Submittals

1. Comply with pertinent provisions of the Standard Specifications, the Plans and details, and as stated herein;

2. Product Data: Submit manufacturer’s technical product data and installation

a. Certified Job Mixes for Bituminous Concrete Binder and Top Course;

b. Tack Coat;

3. Record Data: In accordance with the provisions of Division 1, prior to project closeout, submit Record Data of work installed under this Section:

a. As-built surveyed locations and/or tie measurements of all underground utilities shall be submitted to Owner prior to paving.

Quality Assurance

1. Use adequate numbers of skilled workers who are thoroughly trained and experienced in the necessary crafts and who are completely familiar with the specified requirements and the methods needed for proper performance of the work of this Section;

2. Provide job mix from the same source throughout construction;

3. Weather Conditions: Paving shall be scheduled and carried out only when weather conditions are suitable, the gravel base course is dry and firm, and the air temperature is above 50˚F and rising. Paving shall not be carried out on frozen or wet ground;

4. Testing Pavement Compaction: The Contractor shall perform compaction testing on pavement during paving operations under direction of the

Engineer and/or Owner;

5. Performance Requirements: Construct pavement to withstand heavy-duty traffic loads.

Codes and Standards

1. Americans with Disabilities Act: Construct finished surfaces to the grades and tolerances shown on the Plans and as necessary to comply with applicable portions of Uniform Federal Accessibility Standards pertaining to grading, paving, sidewalks, handicap parking stalls, and curb cut ramps;

2. Any lips formed along juncture between pavement and curb ramps shall be no higher than ¼”;

3. Grade any paved areas which are designated as Handicap Parking Spaces to slope at no more than 2%.

Section 02511 – Bituminous Concrete Paving: Products

a. Wherever in this Section the term “Standard Specifications” is used, it shall be read to mean the relevant provisions of the Massachusetts

Highway Department Standard Specifications for Highways and Bridges, 2023 Edition as amended through Supplemental Specifications to date:

i. Class 1 Bituminous Concrete, Type 1-1 – M3.11.00;

ii. Bituminous Tack Coat (Emulsified asphalt, ASTM D 977 or ASTM D

2397 – M3.00;

iii. Grovel Borrow, Type B – M1.03.00;

iv. Processed Gravel Borrow – M1.03.01;

v. Mineral Filler – ASTM D 242;

2. NOTE: All paving shall be done with MADOT approved mix formulas.

Contractor shall submit mix formulas to Engineer for approval at least 72 hours prior to commencing paving operations;

3. Furnish all labor, material, equipment and incidentals required to carry out the paving work in accordance with Section 460. Place bituminous concrete leveling (shim) course as applicable and top course over the entire area per plan or as directed by engineer, including pad for bituminous curbing where necessary, street approaches and driveway aprons; remove and replace existing bituminous concrete curb. Saw cutting, milling and sweeping prior to paving operations shall be considered incidental;

4. Bidder shall act as the General Contractor and be fully responsible for the actions of any subcontractors. Grade and alignment control shall be the responsibility of the general contractor. The General Contractor shall provide competent supervision at all times. General Contractor is responsible for providing specified width between curbs and shall oversee each subcontractor to assure that the completed paving meets specifications;

5. The pavement milling shall be as specified in Section 120;

6. All milled pavement overlaid shall receive an application of tack coat at the rate of 0.07 gal/sy prior to the HMA course. Contact surfaces of curbing, castings, and other structures shall be painted with tack coat as incidental work. Keyways (12" wide min.) shall be cut/milled and tack coated at all beginning and ending points of new paving as incidental work;

7. All existing paved driveway aprons shall be milled or sawcut as incidental work to achieve acceptable grade and profile when overlaid;

8. The Contractor shall employ competent, experienced paver and roller operators and asphalt rakers. If, in the opinion of the Town’s representative, the Contractor is not providing a satisfactory pavement, the Contractor shall cease paving operations until the cause of the unsatisfactory condition is remedied;

9. The contractor shall prove the ability to supply the project with trucks to maintain a proper supply of hot mix asphalt as required by the paving process;

10.Any police details required for this project shall be scheduled by the contractor.

Equipment

1. Milling Equipment Requirements: The milling equipment shall be self-propelled with sufficient power, traction, and…