IFB PD Window Replacement July 2026.pdf

TOWN OF TYNGSBOROUGH

Department of Public Works- Administration Town Offices | 25 Bryant Lane

Tyngsborough, MA 01879 Tel: (978) 649-2300 Ext. 100 | Fax: (978) 649-2320

Invitation for Bid

Police Station Window Replacement Contract #2026-DPW-002

20 Westford Road, Tyngsborough MA 01879

Issued: Wednesday, July 15, 2026

Due: 10:00 AM on Wednesday, July 29, 2026

Pre-Bid Walkthrough: By Appointment Only

Questions to Sean M. Walsh, Assistant Town Manager swalsh@tyngsboroughma.gov or 978-649-2300 x100

Town of Tyngsborough DPW Police Station Window Replacement 2026-DPW-002 mailto:swalsh@tyngsboroughma.gov

Town Offices | 25 Bryant Lane

The Town of Tyngsborough is seeking sealed bids for building construction at the Police Station.

The work shall include new construction window replacement and all appurtenant work. The work shall also include disposing of all unwanted construction debris.

This IFB is being issued by the Town of Tyngsborough through the Office of the Town Manager.

Sean M. Walsh Assistant Town Manager swalsh@tyngsboroughma.gov or 978-649-2300 x100 Town Hall, 25 Bryant Lane Tyngsborough MA 01879

IFBs will be available beginning on July 15, 2026 online through the Town’s online bid portal at www.tyngsboroughma.gov/bids.aspx. Hard copies may be obtained for a fee of $20.00 at 25 Bryant Lane in Tyngsborough. All responses must be sealed and will be accepted by mail or in-person at the Office of the Town Manager, 25 Bryant Lane Tyngsborough MA 01879 until 9:00 AM on July 29, 2026 at which time they will be publicly opened.

All responses must be submitted in a sealed envelope, which is plainly marked on the face:

“POLICE STATION WINDOW REPLACEMENT”

An optional, pre-bid walkthrough will take place by appointment only on site at 20 Westford Road, Tyngsborough MA during which time the IFB will be discussed and potential bidders will be able to see the site. Contact Sean Walsh, Assistant Town Manager to schedule an appointment.

The Town of Tyngsborough reserves the right to reject any and all bids and to waive any defects, informalities, and minor irregularities in bids received as may be deemed in the best interest of the Town of Tyngsborough. All bids must be submitted in the form of a sealed bid and must conform to the specifications.

All bids must be complete and in compliance with the submission requirements outlined in the IFB. DCAMM Certification is not required for this project.

Sean M. Walsh Assistant Town Manager

Town Offices | 25 Bryant Lane

SECTION 1: PROJECT DESCRIPTION

The Town of Tyngsborough is seeking sealed bids to replace the windows at the Tyngsborough Police Station.

The work includes demolition and disposal of current windows, and installation of energy-efficient new construction windows with proper flashing, insulation, and weatherproofing. All work will be completed in accordance with the provisions set forth in the contract, all applicable codes and standards, with coordination to minimize disruption to facility operations and ensure a clean, finished installation.

SECTION 2: GENERAL INFORMATION & SUBMISSION REQUIREMENTS

2.1 An optional, pre-bid walkthrough will take place by appointment only on site at 20 Westford Road, Tyngsborough MA during which time the IFB will be discussed and potential bidders will be able to see the site. Contact Sean Walsh, Assistant Town Manager to schedule an appointment.

2.2 The contract will be awarded within thirty (30) days of the submission due date. The time for the award may be extended by mutual agreement between the Town of Tyngsborough and the responsive and responsible bidder offering the lowest price.

2.3 If any changes are made to this IFB, an addendum will be issued. Addenda will be posted at tyngsboroughma.gov/bids.aspx in the same location where the bid docs were posted. Those on the plan holders list will be notified when an addendum is posted.

2.4 Questions concerning this IFB must be submitted in writing to Assistant Town Manager Sean Walsh by email to swalsh@tyngsboroughma.gov or by mail to 25 Bryant Lane Tyngsborough MA 01879. All questions must be received by Thursday, April 22, 2026 at 4:00 PM. Any question received after that deadline may not be answered.

2.5 A bidder may correct, modify, or withdraw a submission by written notice received by the Assistant Town Manager either by email to swalsh@tyngsboroughma.gov or by mail to 25 Bryant Lane, Tyngsborough MA 01879 prior to the date and time set for the deadline to submit a bid. Each modification must be numbered in sequence and must reference the original IFB.

2.6 Due Date: All proposals must be sealed and be submitted by Wednesday, July 29, 2026 at 10:00 AM. Bids must be clearly marked POLICE STATION WINDOW REPLACEMENT PROJECT. The submission must comply with all other submission requirements further outlined

Town of Tyngsborough DPW

Town Offices | 25 Bryant Lane in this IFB. Bid must be received at the Office of the Town Manager by the date and time outlined above.

2.7 All proposals must conform with the latest OSHA requirements and must comply with the prevailing wage laws. A copy of the prevailing wage report is included with this IFB.

2.8 If, at the time of the scheduled bid deadline, the Town Hall is closed due to uncontrolled events such as fire, snow, ice, wind, or building evacuation, the proposal deadline will be postponed until 10:00 AM on the next normal business day. (Monday through Thursday).

2.9 Clarification or interpretations of this IFB must be made in writing to Town Manager Colin Loiselle via email to swalsh@tyngsboroughma.gov or mail to 25 Bryant Lane Tyngsborough MA 01879 prior to the deadline to submit bids.

2.10 The Town of Tyngsborough will consider non-responsive any bid not prepared and submitted in accordance with the provisions hereof and may reject any or all bids or waive any informalities as it may deem best in the interest of the Town. Any bid received after the time and date specified as the submission deadline will not be considered. Additionally, the Town of Tyngsborough reserves the right to reject any or all bids from responsive bidders and to cancel the Invitation for Bids process.

2.11 The Town of Tyngsborough will award a contract to the responsive and responsible bidder offering the lowest price.

2.12 Bonds & Insurance- The Contractor shall provide and maintain throughout the term of the Contract any extension or renewal thereof the following insurance with companies that are authorized and licensed in the Commonwealth of Massachusetts to issue policies for the coverages and limits so required.

a) Worker’s Compensation Insurance as required by the laws of the Commonwealth of Massachusetts and employer’s liability insurance in the amount of $1,000,000/$1,000,000/$1,000,000.

b) Commercial General Liability Insurance, $1,000,000 each occurrence and $2,000,000 aggregate limit. Commercial general liability insurance shall include personal injury liability, broad form property damage liability, products/completed operations liability, and broad form contractual liability.

c) Automobile Liability Insurance, covering all leased, owned, non-owned, and hired vehicles – combined single limit of $1,000,000.

d) Excess Liability Insurance, Umbrella Form - $1,000,000 each occurrence and $2,000,000 aggregate, which shall be the following form, providing coverage over commercial

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Town Offices | 25 Bryant Lane general liability insurance, automobile liability insurance, and employer’s liability under workers’ compensation insurance.

e) The Town of Tyngsborough shall be named as an additional insured on each such policy of Commercial General Liability Insurance, Excess Liability Insurance, Umbrella Form, and Automobile Liability Insurance.

f) All certificates and policies shall contain the following provisions: “Notwithstanding any other provision herein, should any of the above policies be cancelled or materially amended before the expiration date thereof, the issuing company will mail thirty (30) calendar days prior written notice thereof to the named certificate holder and to the Town of Tyngsborough, before such cancellation or amendment shall take place.

2.13 Bid Security- The proposal must be accompanied by a cashier’s check, certified check or bid bond for five percent (5%) of the total bid price. The certified check or cashier’s check must be made payable to the Town of Tyngsborough. All deposits, except for those of the three (3) lowest acceptable bidders will be returned within two (2) weeks after the opening of bids. No later than five (5) days after the award of the contract, bid guarantees not disposed of will be returned to the bidders, other than the successful bidder whose deposit will be held until submission of an approved payment bond in the amount of 50%.

2.14 Payment Bond- The successful proposer will be required to submit to the Town of Tyngsborough a payment bond in the amount of 50% of the total contract value at the time of contract award.

2.15 DCAMM Certification- As required by M.G.L. c. 149, DCAMM certification is required for any building construction project that is equal to or exceeds $150,000.00. DCAMM certification is required.

2.16 Update Statement- Any project that is subject to DCAMM certification requires that a Contractor’s Update Statement accompany their bid. If the total bid is equal to or exceeds $150,000, the contractor must include an update statement with their submission.

2.17 Payroll records must be kept by the successful bidder for all persons employed on the project. A separate State of Compliance must be submitted to the Division of Occupational Safety by every employer, including all prime contractors and subcontractors, when its portion of the work is completed. Certified payroll must be submitted to the Town Manager’s Office each week for the work performed that week.

2.18 Contractor must comply with Chapter 306 of the Acts of 2004, Section 1(3) and shall certify that all employees to be employed at the worksite will have successfully completed a course in construction safety and health approved by the United States Occupational Safety and Health

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Town Offices | 25 Bryant Lane

Administration that is at least 10 hours in duration at the time the employee begins work and who shall furnish documentation of successful completion of said course with the first certified payroll report for each employee. Any employee found on a worksite subject to this section without documentation of successful completion of a course as described above will be subject to immediate removal from the worksite.

SECTION 3: SCOPE OF SERVICES

The contractor shall supply all labor, materials, and equipment necessary to perform services in a workman like manner in accordance with all industry standards and practices and shall properly dispose of all accumulated debris.

Specifically, the Contractor awarded a contract here shall be responsible for removing, disposing, and replacing the windows at the Police Station and as further outlined in the specifications.

Intentionally left blank

Town Offices | 25 Bryant Lane

Attached to this IFB are the Specifications for this project. Any specifications referencing siding replacement may not necessarily apply to this IFB

Contract 2026-DPW-002: Siding and Window Replacement

● Section 01 – General Requirements o 01.50.10 – Temporary protection of facilities o 01.50.20 – Cleaning o 01.74.19 – Construction and Demolition Waste Management o 01.77.00.01 – Substantial Completion Form o 01.77.00.02 – Final Completion Form

● Section 02 – Existing Conditions o 02.41.19 - Selective Demolition

● Section 06 – Wood, Plastics, and Composite o 06.10.53 – Miscellaneous Rough Carpentry o 06.20.00 – Finish Carpentry

● Section 07 – Thermal and Moisture Protection o 07.25.00 – Weather Barriers o 07.46.00 – Composite Siding System o 07.46.20 – PVC Trim o 07.62.00 – Sheet Metal Flashing and Trim o 07.65.00 – Self Adhering Flexible Flashing o 07.92.00 - Joint Sealants

● Section 08 – Openings o 08.35.13 – Replacement windows

● Section 26 – Electrical o 26.05.00 – Basic Electrical Methods and Materials

● Section 100 - DRAINAGE o 100.01.01 - Gutters

Town Offices | 25 Bryant Lane

SECTION 4: MINIMUM REQUIREMENTS

In order to be considered responsible, a contractor submitting a bid shall meet the following qualifications:

4.1 Must show proof that the vendor has been providing the above-described services on commercial type properties for no less than five years; and

4.2 Must provide the Town with a list of five references for similar sized projects completed within the last three years.

4.3 Must be able to provide the Town with the insurance required as outlined under Section 2 and must be able to furnish a performance bond in the amount of 50% of the total contract value within 10 days of the contract award.

SECTION 5: SUBMISSION REQUIREMENTS

Interested bidders must submit the following information:

5.1 Proposal submissions must include one (1) signed original of all required documents. The proposal should be submitted sealed and clearly marked with the following:

Police Station Window Replacement Attention Assistant Town Manager Sean Walsh

25 Bryant Lane

5.1.1 The envelope submission should clearly identify the bidder submitting the bid and their business address.

5.1.2 The Town of Tyngsborough reserves the right to reject any and all proposals that do not meet the submission requirements, minimum, and or/comparative criteria.

5.1.3 Each submission should include:

● Evidence that the contractor meets the qualifications set forth in Section 4.1

● Evidence of the proposer’s ability to meet minimum requirements

● Appendix B: Form for General Bid

● Appendix C: Statement of Tax Compliance, Fair Bid, and Signing Authority

● For bids over $150,000.00 outlined in Section 3, the following must also accompany the bid o DCAMM Certification

Town of Tyngsborough DPW

Town Offices | 25 Bryant Lane o DCAMM Update Statement

● All bids must be accompanied by a 5% bid bond.

● References as further outlined in section 5.1.4

5.1.4 References – Provide references with contact phone numbers and or email addresses from at least five companies or individuals that the bidder has performed similar work for within the last three years.

SECTION 6: PREVAILING WAGE

6.00 STATE GOVERNMENT PROVISIONS, PREVAILING WAGES

a. PART 1 - GENERAL State Government Provisions included herein, have been selected from those to which specific references have been made elsewhere in the Contract Documents.

Each and every other provision of law or clause required by law to be inserted in this Contract shall be deemed to be also inserted herein in accordance with paragraph 3.01A.1 of the Supplementary Conditions.

6.01 COMMONWEALTH OF MASSACHUSETTS PROVISIONS

A. Owner and Contractor agree that the following Commonwealth of Massachusetts

Provisions apply to the work to be performed under this Contract and that these provisions supersede any conflicting provisions of this Contract.

B. Applicable provisions of Massachusetts General Laws and Regulations and/or the United States Code and Code of Federal Regulations govern this Contract and any provision in violation of the foregoing shall be deemed null, void and of no effect.

Where conflict between Code of Federal Regulations and State Laws and Regulations exist, the more stringent requirement shall apply.

Massachusetts General Laws A. Chapter 30, Section 39F B. Chapter 30, Section 39G C. Chapter 30, Section 39I D. Chapter 30, Section 39J E. Chapter 30, Section 39I F. Chapter 30, Section 39J G. Chapter 30, Section 39L H. Chapter 30, Section 39M I. Chapter 30, Section 39N J. Chapter 30, Section 39O K. Chapter 30, Section 39P L. Chapter 30, Section 39Q M.Chapter 30, Section 39R

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Town Offices | 25 Bryant Lane

N. Chapter 82, Section 40 O. Chapter 149, Section 34 P. Chapter 149, Section 44J Q. State Wage Rates

6.03 The Owner and Contractor agree that the following Commonwealth of

Massachusetts Provisions apply to the Work to be performed under this Contract and that these provisions of this Contract and that these provisions supersede any conflicting provisions of this Contract:

A. Supplemental Equal Employment Opportunity Anti-Discrimination and Affirmative

Action Program.

1. The Contract shall be in compliance with the Town of Tyngsborough Equal

Employment Opportunity Statement.

2. No Minority and/or Women Business Enterprise participation goal or requirements is set for this contract, unless Section 00830 ADDITIONAL MBE/WBE REQUIREMENTS is included in these documents.

B. State Prevailing Wage Rates (attached to the end of this section)

1. The schedules of wages referred to above are minimum rates only, and the Owner will not consider any claims for additional compensation made by Contractor because of payment by Contractor of any wage rate in excess of the applicable rate contained in these Contract Documents. All disputes between Contractor and employees of Contractor in regard to the payment of wages in excess of these specified in the schedules shall be resolved by Contractor.

2. The said schedules of wages shall continue to be the minimum rates to be paid during the first year of this Agreement. If this Agreement is extended beyond one year, state law requires that updated wage rate schedules are to be obtained and the general and sub-contractors must pay no less than these rates to covered workers. Updated wage rate schedules are to be obtained by and become effective on each anniversary date of the contract. A legible copy of the current schedules shall be kept posted in a conspicuous place at the site of the work.

C. In accordance with M.G.L. Ch 149 Section 6-1/2, the contractor shall have all employees successfully complete a course in construction safety and health approved by OSHA that is at least 10 hours in duration prior to being employed at the worksite. The Contractor shall furnish documentation of successful completion of said course with the first certified payroll report for each employee.

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Town Offices | 25 Bryant Lane

SECTION 7: CONTRACT

The successful bidder shall not assign, transfer, or sublet this contract unless specific permission to do so is granted in writing by the Town of Tyngsborough. Any such person or agency thus assuming the contract may be required by the Town of Tyngsborough to execute an amendment to the contract assuming all obligations held by the contractor under the original contract and shall comply with all provisions of the original contract.

All awards and contracts shall be subject to appropriation and funding. The Town of Tyngsborough reserves the right to budget all available appropriations and funding in the best interest of the Town of Tyngsborough.

The basis of compensation for this project shall be a fixed price contract.

The contractor agrees that the Contract Time shall commence ten days following the Effective Date of the Notice to Proceed and to fully complete the Work within Seventy-five (75) Calendar Days following the Effective Date of Notice to Proceed. The undersigned further agrees to pay the Town, as liquidated damages, $500.00 per day for each calendar day beyond the Contract Time Limit.

Town Offices | 25 Bryant Lane

APPENDIX B

FORM FOR GENERAL BID

The undersigned hereby submits a bid to perform all of the services outlined in the Invitation for Bids: Police Station Window Replacement. The price proposed below shall be all inclusive of the equipment, materials, and labor necessary to perform the work as outlined in Section 3: Scope of Services.

__________________________________ (Company Name) hereby pledges to deliver the complete scope of services required under CONTRACT #2026-DPW-002 (as outlined in Section 3), for the cost shown below:

COST TO COMPLETE THE PROJECT

_______________________________________ Dollars $_______________________

Bid Amount in Words Bid Amount in Figures

I have reviewed the entire proposal, including the addenda numbered: ______________ in preparing this bid.

Signature Date

Printed Name Title

Company Address: __________________________________________

Phone Number: ____________________________________________

Email: ____________________________________________________

Town Offices | 25 Bryant Lane

Appendix C Taxes, Non-Collusion, and Signing Authority

Pursuant to MGL Chapter 62C, Section 49A, the undersigned certifies under the penalties of perjury that the company named below has filed all Massachusetts State Tax returns and paid all State taxes as required by law.

The undersigned certifies under penalties of perjury that his/her bid is in all respects bona fide, fair, and made without collusion or fraud with any other person. As used in this paragraph, the word “person” shall mean any natural person, joint venture, partnership, corporation, or other business or legal entity.

The undersigned certifies under penalties of perjury that he/she is authorized on behalf of the company named below to bind the bidder contractually. If the bidder is a corporation, a clerk’s certificate of vote and minutes of a director’s meeting will be provided.

Social Security Number or Federal Identification Number: _____________________

Company Name: _______________________________________________________

Printed Name of Signer: _________________________________________________

Signature: ______________________________________ Date: __________________

Town Offices | 25 Bryant Lane

Technical Specifications

01.50.10 - TEMPORARY PROTECTION AND CONTROLS

1.01 GENERAL PROVISIONS

A. The site and building will be occupied during construction. The Contractor shall take all necessary precautions to ensure the public safety and convenience of the building occupants during construction.

B. The Contractor shall always leave an unobstructed way along walks and roadways and shall maintain barriers and lights for the protection of all persons and property in all locations where materials are stored, or Work is in progress.

C. The Contractor shall maintain the construction barriers and traffic barriers to accommodate the traffic (both pedestrian and vehicular) around the Work with the maximum of safety and practical convenience to such traffic until completion of the Work. The Contractor shall provide directional signs as required to properly control construction traffic at the Site.

D. The Contractor shall protect all planting, landscaping, trees, and site improvements to remain.

E. Any damage to buildings, roads (public and private), paved areas, fences, lawn areas, trees, shrubbery, poles, underground utilities, etc. shall be repaired and/or replaced at the Contractor's expense and to the satisfaction of the Awarding Authority.

F. The Contractor shall patch, repair and/or replace all adjacent materials and surfaces damaged after the installation of new work at no expense to the Awarding Authority. All repair and replacement work shall match the existing in kind and appearance.

G. When applicable, the Contractor shall remove all snow and ice that may impede the Work or safe access, damage the finishes or materials, be detrimental to workers, or impede trucking, delivery, or moving of materials at the Project Site, or prevent adequate drainage of the Site or adjoining areas.

1.02 TEMPORARY PROTECTION

A. The applicable provisions of paragraph 1.02 shall apply to building and/or site projects.

B. The Contractor shall:

1. Always protect excavations, trenches, buildings, and materials from rainwater, ground water, backing-up, or leakage of sewers, drains, or other piping, or from water damage of any origin. Provide all pumps piping, coverings, and other materials and equipment as required by job conditions to accomplish this requirement.

2. In addition to the weather protection during the months of November to March specified elsewhere, provide temporary watertight enclosures for openings in exterior walls and in roof decks when and as required to protect the Work from damage by inclement weather.

Town of Tyngsborough DPW Police Station Siding and Window Replacement 2026-DPW-002

Town Offices | 25 Bryant Lane

Temporary enclosures shall be provided with adequate means of ventilation to prevent accumulation of moisture in the buildings.

3. Provide temporary wood doors for exterior entrances and elsewhere as required.

Permanent door enclosures shall not be used as temporary enclosures.

4. Protect sills, jambs, and heads of openings through which materials are handled.

5. Protect decks and slabs to receive work by other trades from any soiling which will prevent proper adhesion of subsequent Work. Decks and slabs shall be left clean and free of blemishes at the time other trades begin the application of their work.

6. Protect concrete slabs to remain exposed and finished floors against mechanical damage, plaster droppings, oil, grease, paint, or other material which will stain the floor finish.

Install and maintain adequate strips of building paper or other protection on finished floors in areas where other trades will do future Work.

7. Protect all surfaces to receive Work by other trades from any soiling which will prevent proper execution of subsequent Work

8. Protect other areas, furniture, and private property of the Awarding Authority. Any areas damaged by the Contractor shall be restored to the original condition or compensated at the Contractor's expense.

C. Roof surfaces and waterproofed surfaces shall not be subjected to traffic, nor shall they be used for storage of materials. Where some activity must take place to carry out the Work, adequate protection must be provided.

D. After the installation of the Work by any Subcontractor is completed, the Contractor shall be responsible for its protection and for repairing, replacing, or cleaning any such Work which has been damaged by other trades or by any other cause, so that all Work is in first class condition at the time of Substantial Completion.

E. The Contractor shall provide and maintain temporary fencing or barricades around the Work as may be necessary to assure the safety of all persons authorized or unauthorized. Such protective measures shall be located and constructed as required by local, state, and federal ordinances, laws, codes, or regulations. When construction site fencing is required, the Contractor shall provide the following.

1. Construction fence shall be six (6) feet high and of chain link construction with 6-gauge wire at the top and the bottom of the fencing material, erected in a substantial manner, straight, plumb and true.

a. Gates shall be built into fence at such approved locations as are necessary, well cross-braced and hung on heavy strap hinges with proper post and hook for double gates. Provide heavy hasps and padlocks for each gate. Provide keys to Awarding Authority to facilitate emergency access by Awarding Authority's local Police and Fire Department.

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b. All fencing shall be in accordance with local ordinances and shall be removed at such time before Final Acceptance. Restore site to acceptable condition after removing fence.

c. Provide scrim for fence with design approved and coordinated with the Awarding Authority.

1.03 NOISE CONTROL

A. The Contractor shall take special measures to protect the building tenants, neighbors and public from noise and other disturbances.

B. Within fourteen (14) calendar days after the Notice to Proceed, the Contractor shall prepare and submit to the Prime Designer a noise-abatement plan and enforce strict discipline over all personnel to keep noise to a minimum.

C. Execute construction Work by methods and by use of equipment that will minimize noise.

D. The Contractor shall not permit the use of radios or electronic entertainment equipment to be operated at volume that makes ordinary conversation difficult at ten (10) feet from such equipment.

1.04 DUST CONTROL

A. The Contractor shall take special measures to protect the building occupants, neighbors, and public from dust.

B. Within fourteen (14) calendar days after the Notice to Proceed, the Contractor shall prepare and submit to the Town a dust mitigation plan and enforce strict discipline over all personnel to minimize dust generated at the Site.

C. The Contractor shall maintain the Site, stockpiles, access, detour, and haul roads, staging and parking area used for the Work, free of dust that may cause a hazard or a nuisance to those at the Site, in the building or adjacent sites/buildings.

D. Provide environmentally safe dust control materials and methods to minimize dust (interior and exterior) from construction operations and to prevent air-borne dust from dispersing into the atmosphere.

E. Schedule operations so that dust and other contaminants resulting from the Work and cleaning process will not fall on wet or newly coated surfaces, including paint, coatings, sealants, caulking, adhesives.

F. Furnish, erect, and maintain for the duration of the Work period, temporary fire retardant dust proof coverings and partitions as required to prevent the spread of dust beyond the immediate area where Work is being performed.

1.05 FIRE PROTECTION

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A. The Contractor shall take necessary precautions to insure against fire during construction.

The Contractor shall be responsible to ensure that the area within Contract limits is kept orderly and clean and that combustible rubbish and construction debris is promptly removed from the site.

B. Installation of equipment suitable for fire protection shall be done as soon as possible after commencement of the Work. The Contractor's attention is directed to the requirements of the Commonwealth of Massachusetts, Department of Labor and Workforce Development Regulation 454 CMR.

1.06 WEATHER AND WIND PROTECTION

A. The Contractor shall provide and pay for temporary enclosures and heat to permit Work to be carried on during the months of November through March in compliance with MGL c.149 §44G (d). These specifications are not to be construed as requiring enclosures or heat for operations that are not economically feasible in the opinion of the Awarding Authority.

Without limitation, this includes such items as excavation, pile driving, steel erection, erection of certain exterior wall panels, roofing, and similar operations.

B. "Weather Protection" means the temporary protection of that Work adversely affected by moisture, wind, and cold by covering, enclosing, and/or heating. This protection shall provide adequate working areas during the months of November through March as determined by the Awarding Authority and consistent with the construction schedule to permit the continuous progress of all Work necessary to maintain an orderly and efficient sequence of construction operations. The Contractor shall furnish and install "Weather Protection" material and be responsible for all costs, including heating required to maintain a minimum of 40 degrees F. at the working surface. This provision does not supersede any specific requirements for methods of construction, curing of materials, or the applicable conditions set forth in the Contract Documents with added regard to performance obligations of the Contractor.

C. Within fourteen (14) calendar days after award of the Contract, the Contractor shall submit to the Prime Designer for approval, in writing, an electronic copy of the proposed methods for "Weather Protection".

D. The Contractor shall assume the entire responsibility for weather protection during construction (until Substantial Completion) and shall be liable for any damage to any Work caused by failure to supply proper weather protection and proper ventilation.

E. Work damaged by frost shall be removed and replaced by and at the Contractor's expense and as directed by the Prime Designer.

F. The Contractor shall do no Work under any conditions deemed unsuitable by the Contractor to the execution of the Work. This provision shall not constitute any waiver, release, or

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Town Offices | 25 Bryant Lane lessening of the Contractor's obligation to bring the Work to Substantial Completion within the period set forth in the Contract Documents.

G. Whenever gale or high winds are forecast by the U.S. Weather Bureau, the Contractor shall take every precaution to minimize danger to persons, to the Work, and to the adjacent property.

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01.50.20 – CLEANING

1.01 RELATED DOCUMENTS

A. This section supplements Article 3.17 of the General Conditions.

B. Consult the individual sections of the specifications for cleaning of Work installed under those sections.

1.02 CLEANING DURING CONSTRUCTION

A. Conduct cleaning operations to comply with local ordinances and anti-pollution laws.

1. Do not burn or bury rubbish and waste materials on the Site.

2. Do not dispose of volatile wastes such as mineral spirits, oil, or paint thinner in storm or sanitary drains.

3. Do not dispose of wastes into streams or waterways.

B. Dispose of all materials in compliance with all applicable laws, ordinances, codes, and by-laws.

C. Maintain the Work site free from accumulations of waste, debris, and rubbish.

D. Wet down dry materials and rubbish to lay dust and prevent blowing dust.

E. Provide on-site containers for collection of waste, debris, and rubbish.

1. Cover containers as required to prevent material from blowing.

2. Do not allow containers to overflow.

3. Promptly remove containers when full.

F. Buildings:

1. Do not allow materials and rubbish to drop free or be thrown from upper floor but remove by use of a material hoist or rubbish chutes.

2. Broom and/or vacuum clean interior areas when ready to receive painting and other finishes. Continue cleaning on an as-needed basis until Substantial Completion.

3. Schedule cleaning operations so that dust and other contaminants resulting from cleaning process will not fall on wet, newly painted or finished surfaces.

1.03 FINAL CLEANING

A. Prior to submitting a request to the Prime Designer to certify Substantial Completion of the Work, the Contractor shall inspect all interior and exterior spaces and verify that all waste materials, rubbish, tools, equipment, machinery, and surplus materials have been removed, and that all sight-exposed surfaces are clean. Leave the Project clean and ready for occupancy.

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B. Unless otherwise specified under other sections, the Contractor shall perform final cleaning operations as specified prior to final inspection. The Awarding Authority's responsibility for cleaning commences at Substantial Completion.

C. General:

1. Employ experienced workmen or professional cleaners for final cleaning.

2. Cleaning shall include all surfaces, interior and exterior, which the Contractor has had access to, whether new or existing.

3. Use only cleaning materials recommended by the manufacturer of the surface to be cleaned.

4. Use cleaning materials which will not create a hazard to health or property, and which will not damage surfaces.

5. In cleaning items with manufacturer's finish or items previously finished by a

Subcontractor, take care not to damage such manufacturer's or Subcontractor's finish.

6. In cleaning glass and finish surfaces, care shall be taken not to use detergents or other cleaning agents which may stain adjoining finish surfaces.

7. Any damage to finishes caused by cleaning operations shall be repaired at the

Contractor's expense.

D. Buildings: (if applicable)

1. Remove grease, mastic, adhesive, dust, dirt, stains, labels, fingerprints, and other foreign materials from sight-exposed interior and exterior surfaces. This includes cleaning of the Work of all finishing trades where needed, whether cleaning by such trades is included in their respective specifications.

2. Repair, patch, and touch up marred surfaces to the specified finish, to match adjacent surfaces.

3. All broken or defective glass caused by the Contractor's Work shall be replaced at the Contractor’s expense.

4. Clean and polish all new and existing interior glass and glazing on both sides within the Work area.

5. Clean all new and existing exterior glass and glazing on both sides within the Work area.

6. Clean all new and existing plastic glazing (if applicable) on both sides within the Work area in accordance with the manufacturer's directions.

7. Glass and glazing cleaning shall be completed by qualified window cleaners at the

Contractor’s expense just prior to acceptance of the Work.

8. Wash and polish all mirrors, if applicable.

9. Polish glossy surfaces to a clear shine.

10.Do the final cleaning of all flooring as specified under the respective sections of the

Specifications.

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11.Leave all architectural metals, hardware, and fixtures in undamaged, polished conditions.

12.Leave pipe and duct spaces, plenums, furred spaces and the like clean of debris and decayable materials.

13.Ventilating systems – Replace filters and clean ducts, blowers, and coils if units were operated during construction.

E. Site: (if applicable)

1. Remove all silt fencing, waddles, silt sacks and other erosion control devices used during construction unless otherwise specified.

2. Ensure that all catch basins, storm drains and trenches are clean and fully operational.

3. Broom clean exposed concrete surfaces and paved surfaces.

4. Clean all paved surfaces to remove dust, debris and stains resulting from the construction activity.

5. Clean vegetated, lawn, and mulched areas to remove all debris, rubbish, packing, and dead plant materials.

6. Remove all labels, tags, twine, cords and wrapping on trees, shrubs and plantings unless otherwise specified.

7. Remove grease, mastic, adhesive, dust, dirt, stains, labels, fingerprints, and other foreign materials from sight-exposed exterior surfaces on signs, bollards, light posts, fixtures, furniture, site improvements, and accessories. This includes cleaning of the Work of all trades where needed, whether cleaning by such trades is included in their respective specifications.

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01.74.19 – CONSTRUCTION AND DEMOLITION WASTE MANAGEMENT

1.01 GENERAL

A. This section describes the requirements for the Contractor and all subcontractors to minimize construction waste and debris and to reuse, salvage, and recycle to the greatest extent possible.

B. This section specifies certain wastes that are required to be recycled.

1.02 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and other Division 01 Specification Sections, apply to this Section.

B. Related Sections include the following:

1. Section 01 29 00 Payment Procedures.

2. Section 01 33 00 Submittals Procedures.

3. Section 01 77 00 Project Closeout Procedures and record drawings.

1.03 WASTE MANAGEMENT GOALS

A. The Awarding Authority’s waste management goals include increased recycling and conservation of materials. Construction and Demolition Wastes have been identified as a particular target for reuse and recycling, for several reasons.

B. Recycling is required for each of the following materials if that material is expected to be part of the project’s demolition and/or construction waste:

List of Items: NONE

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01.77.00.01 – SUBSTANTIAL COMPLETION FORM

PROJECT: Police Station Siding and Window Project CONTRACT NUMBER: 2026-DPW-002

CONTRACTOR: CURRENT TOTAL CONTRACT AMOUNT:

PROJECT OR DESIGNATED PORTION SHALL INCLUDE:

The Work performed under this Contract at the above listed locations or portions has been reviewed and found to be substantially complete. The Date of Substantial Completion of the Project or portion thereof designated above is hereby established as__________________ which is also the date of commencement of applicable warranties required by the Contract Documents. All warranties of the several portions of the project, if any, shall commence at the date included in the last portion to be substantially complete.

DEFINITION OF DATE OF SUBSTANTIAL COMPLETION

The Date of Substantial Completion of the Work or designated portion thereof is the Date jointly certified by the Project Manager and Contractor when construction is sufficiently complete, in accordance with the Contract Documents, the Work required by the Contract has been completed except for work having a Contract Price of less than one percent of the then adjusted total contract price, or substantially all of the Work has been completed and opened to Owner's use except for minor incomplete or unsatisfactory work items that do not materially impair the usefulness of the Work required by the Contract.

A list of items to be completed or corrected, prepared by the Engineer is attached hereto. The Engineer may amend add to or delete items from the list as needed. The failure to include any items on such list does not alter the responsibility of the Contractor to complete all Work in accordance with the Contract Documents. The date of commencement of warranties for items on the attached list will be the date of final payment unless otherwise agreed to in writing.

The Contractor will complete or correct the Work on the list of items attached hereto within 60 calendar days from the above Date of Substantial Completion. If the Contractor does not complete all deficiencies indicated above, or other items required by the Contract, within the time limits indicated above, the Owner may additionally charge liquidated damages, as described in the Contract, from the end of the time limits indicated above until all items are completed and accepted by the Owner.

CONTRACTOR

BY

DATE

The Owner accepts the Work or designated portion thereof as substantially complete.

Town of Tyngsborough:

Owner

BY

The Contractor shall be responsible for security, operation, safety, protection of the work, maintenance, heat, utilities, insurance, and warranties and guarantees until final payment.

All Insurance and Bonds of the Contract shall remain in force for as long as the Contractor and his sub-contractors are on site and shall extend into the Warranty period, to the extent required by the Contract Documents.

Performance Bond, if required, shall remain in effect throughout the warranty period.

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Contractor shall secure consent of Surety Company, provide affidavit of bills paid, provide all required warranties and guarantees, as well as other required close-out documentation, prior to request for final payment.

01.77.00.02 - FINAL COMPLETION FORM

PROJECT: Police Station Siding and Window Project CONTRACT NUMBER: 2026-DPW-002

CONTRACTOR: CURRENT TOTAL CONTRACT AMOUNT:

PROJECT OR DESIGNATED PORTION SHALL INCLUDE:

The Work performed under this Contract at the above listed locations or portions has been reviewed and found to be substantially complete. The Date of Substantial Completion of the Project or portion thereof designated above is hereby established as__________________ which is also the date of commencement of applicable warranties required by the Contract Documents. All warranties of the several portions of the project, if any, shall commence at the date included in the last portion to be substantially complete.

DEFINITION OF DATE OF SUBSTANTIAL COMPLETION

The Date of Substantial Completion of the Work or designated portion thereof is the Date jointly certified by the Project Manager and Contractor when construction is sufficiently complete, in accordance with the Contract Documents, the Work required by the Contract has been completed except for work having a Contract Price of less than one percent of the then adjusted total contract price, or substantially all of the Work has been completed and opened to Owner's use except for minor incomplete or unsatisfactory work items that do not materially impair the usefulness of the Work required by the Contract.

A list of items to be completed or corrected, prepared by the Engineer is attached hereto. The Engineer may amend add to or delete items from the list as needed. The failure to include any items on such list does not alter the responsibility of the Contractor to complete all Work in accordance with the Contract Documents. The date of commencement of warranties for items on the attached list will be the date of final payment unless otherwise agreed to in writing.

The Contractor will complete or correct the Work on the list of items attached hereto within 60 calendar days from the above Date of Substantial Completion. If the Contractor does not complete all deficiencies indicated above, or other items required by the Contract, within the time limits indicated above, the Owner may additionally charge liquidated damages, as described in the Contract, from the end of the time limits indicated above until all items are completed and accepted by the Owner.

CONTRACTOR

BY

The Owner accepts the Work or designated portion thereof as substantially complete.

Town of Tyngsborough:

Owner

BY

Town Offices | 25 Bryant Lane

The Contractor shall be responsible for security, operation, safety, protection of the work, maintenance, heat, utilities, insurance, and warranties and guarantees until final payment.

All Insurance and Bonds of the Contract shall remain in force for as long as the Contractor and his sub-contractors are on site and shall extend into the Warranty period, to the extent required by the Contract Documents.

Performance Bond, if required, shall remain in effect throughout the warranty period.

Contractor shall secure consent of Surety Company, provide affidavit of bills paid, provide all required warranties and guarantees, as well as other required close-out documentation, prior to request for final payment.

EXISTING CONDITIONS

02.41.19 – SELECTIVE DEMOLITION

PART 1 - GENERAL

1.1RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and other Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Demolition and removal of selected portions of building, or structure.

B. Related Sections include the following:

1. Section 011000 "Summary" for use of premises and Owner-occupancy requirements.

2. Section 015000 "Temporary Facilities and Controls" for temporary construction and environmental-protection measures for selective demolition operations.

3. Section 017300 “Execution” for procedural and administrative requirements for cutting and patching.

4. Section 017419 "Construction Waste Management and Disposal" for disposal of demolished materials.

1.3 DEFINITIONS

A. Remove: Detach items from existing construction and legally dispose of them off-site, unless indicated to be removed and salvaged or removed and reinstalled.

B. Remove and Salvage: Carefully detach from existing construction, in a manner to prevent damage, and deliver to Owner and/or ready for reuse.

C. Remove and Reinstall: Detach items from existing construction, prepare for reuse, and reinstall where indicated.

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D. Existing to Remain: Existing items of construction that are not to be permanently removed and that are not otherwise indicated to be removed, removed, and salvaged, or removed and reinstalled.

1.4 SUBMITTALS

A. Qualification Data: For demolition firm B. Schedule of Selective Demolition Activities: Indicate the following:

1. Detailed sequence of selective demolition and removal work, with starting and ending dates for each activity. Ensure Owner’s on-site operations are uninterrupted.

2. Interruption of utility services. Indicate how long utility services will be interrupted.

3. Coordination for shutoff, capping, and continuation of utility services.

4. Means of protection for items to remain and items in path of waste removal from building.

C. Landfill Records: Indicate receipt and acceptance of hazardous wastes by a landfill facility licensed to accept hazardous wastes.

1. Comply with submittal requirements in Division 01 Section "Construction Waste

Management and Disposal."

1.5 QUALITY ASSURANCE

A. Demolition Firm Qualifications: An experienced firm that has specialized in demolition work similar in material and extent to that indicated for this Project.

B. Regulatory Requirements: Comply with governing EPA notification regulations before beginning selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

C. Standards: Comply with ANSI A10.6 and NFPA 241.

D. Pre-demolition Conference: Conduct conference at Project site to comply with requirements in Division 01 Section "Project Management and Coordination." Review methods and procedures related to selective demolition including, but not limited to, the following:

1. Inspect and discuss condition of construction to be selectively demolished.

2. Review structural load limitations of existing structure.

3. Review and finalize selective demolition schedule and verify availability of materials, demolition personnel, equipment, and facilities needed to make progress and avoid delays.

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4. Review requirements of work performed by other trades that rely on substrates exposed by selective demolition operations.

5. Review areas where existing construction is to remain and requires protection.

1.6 PROJECT CONDITIONS

1. The existing building will be occupied.

2. Comply with requirements specified in Division 01 Section "Summary."

A. Conditions existing at time of inspection for bidding purpose will be maintained by Owner as far as practical.

B. Notify Architect of discrepancies between existing conditions and Drawings before proceeding with selective demolition.

C. Storage or sale of removed items or materials on-site is not permitted.

D. Utility Service: Maintain existing utilities indicated to remain in service and protect them against damage during selective demolition operations.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Regulatory Requirements: Comply with governing EPA notifications before beginning selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

B.…