L E G A L N O T I C E

The Town of Ridgefield invites all interested parties to submit sealed bids on the following:

BID DUE DATE: October 22, 2026

BID DUE TIME: 11:00 am EDT

BID ITEM: Ridgefield Rec Center Rooftop HVAC Replacement

BID NUMBER: 27-06

Terms and conditions as well as the description of items being bid are stated in the specifications. Specifications may be obtained at the following address:

Town of Ridgefield David McFate 400 Main Street Ridgefield, CT. 06877

(203) 431-2720

Bids must be received no later than the date and time stated above by the Purchasing Director’s office via email. For further information, please call David McFate at (203) 431-2720 or email at purchasing@ridgefieldct.gov

Results may be viewed at https://www.ridgefieldct.gov/departments/ purchasing/bid_notices.php after the bid opening.

Bids shall be submitted via email to the following:

purchasing@ridgefieldct.gov SUBJECT: 27-06 (Company Name) Bid Package https://www.ridgefieldct.gov/node/24703

TOWN OF RIDGEFIELD

CONNECTICUT

BOARD OF SELECTMEN

INSTRUCTIONS TO BIDDERS

1. Bids shall be submitted via email to purchasing@ridgefieldct.gov. The time stamp of the email shall be on or before the bid due date.

2. Withdrawals of or amendments to bids received later than the time and date specified for bid opening will not be considered.

3. The Board of Selectpersons of the Town of Ridgefield reserves the right to accept or reject any or all options, bids or proposals; to waive any technicality in any bid or part thereof, and to accept any bid deemed to be in the best interest of the Town of Ridgefield, Connecticut.

4. Bidders may be present at the opening of bids.

5. Bids may be held by the Town of Ridgefield for a period not to exceed sixty (60) days from the opening of bids for the purpose of reviewing the bids and investigating the qualifications of bidders prior to the awarding of the contract.

6. Insurance requirements: must be submitted with the bid. This includes any Hold Harmless requirements as well as Certificates of Insurance for the full amounts specified. Unauthorized changes to these forms, i.e.

adding, striking out and/or changing any words, language or limits will cause the bidder to be disqualified.

a. Please Note: Prior to the start of work, the Town of Ridgefield and/or the Board of Education shall be endorsed on the Contractor’s policies of insurance as additional insured. The Contractor shall obtain a policy of insurance, with minimum limits of liability as specified containing an endorsement that covers this agreement to indemnify, defend and hold harmless the Town/City and/or Board of Education or any of their officers, employees, agents, servants and volunteers. The Contractor shall obtain an mailto:purchasing@ridgefieldct.org endorsement to said insurance policy stating that the Contractor’s insurance is primary and any insurance obtained, or self insurance provided, by the Town of Ridgefield and/or Board of Education is excess. The Contractor’s insurance carrier will waive all rights of subrogation against the Town of Ridgefield and/or Board of Education, and all of their respective officers, employees, agents, servants and volunteers. The Contractor shall furnish a copy of the insurance policy that meets all of the above requirements before any work or use of the property commences. Failure to do so will result in disqualification of the Bid. There will be no exceptions.

7. Permits: It is the Contractor’s responsibility to obtain any necessary permits prior to the start of construction. All work shall be completed in compliance with the latest edition of the prevailing Federal and State of Connecticut regulations, Town of Ridgefield Standards, or as set forth in these specifications. Any local (Town of Ridgefield) permits will have the permit fee waived.

8. Emergency Work: The Contractor shall file with the Project Manager a telephone number of a person authorized by them who may be contacted regarding emergency work at the job site that may be required during non-working hours for reasons of public safety. The person shall be readily available and have full authority to deal with any emergency that may occur.

9. Sales Tax: In accordance with the provisions of Special Act No. 77-98, as amended, and Section 12-412(a) of the Connecticut General Statutes, sales of tangible personal property and services to the Town are not subject to the Connecticut Sales and Use Tax, and such tax shall not be included as part of the bid.

10.Contractor’s Qualification Statement: The Contractor’s Qualification Statement must be filled out as part of the bid package and the experience and references listed therein will be one to the determining factors in the awarding of the bid.

11.Hold Harmless Agreement: In order for the bid to be considered valid, the Contractor must sign the enclosed hold harmless agreement. Bids submitted without the signed hold harmless agreement will be rejected.

12.Prevailing Wage Rates: This project is subject to the State of Connecticut prevailing wage rate requirements.

13. SBE/MBE and Contract Compliance Requirements: This project is not subject to State of Connecticut SBE/MBE set aside and contract compliance requirements.

14. Bonds: Bonds are not required for this project.

15. Time of Completion: Work shall be completed during appropriate window during spring 2027. Awarded contractor shall coordinate exact scheduling details with the Department of Parks and Recreation.

16. Weather Delays: Weather delays shall be determined by the Town based upon conditions unsuitable for proper preparation or application.

17. Project Location: The project is located at the Ridgefield Recreation Center, 195 Danbury Rd, Ridgefield CT. Contractors intending to submit a bid must familiarize themselves with the project location. Contractors wishing to submit a bid must attend the MANDATORY pre-bid site meeting.

18. Bid Schedule:

a. RFB Issued: September 22, 2026

b. Mandatory Pre-bid Meeting: Wednesday October 7, 2026 at

9:00, 195 Danbury Rd, Ridgefield CT

c. RFI’s Due: Thursday October 15, 2026 at 11:00 AM

d. Proposals Due: Thursday October 22, 2026 at 11:00 AM

19. RFB Submissions: The following items shall be submitted for a RFB to be considered complete:

(a) Project Cost and Schedule

(b) Hold Harmless Agreement

(c) Contractor’s Qualification Statement

(d) Contractor’s List of Subcontractors

(e) Contractor's Certificates of Insurance

20. Requests for Information: Questions or requests for information must be submitted in writing. All questions or requests for information shall be submitted to David McFate, Purchasing and Finance Manager, at purchasing@ridgefieldct.gov.

mailto:purchasing@ridgefieldct.gov mailto:purchasing@ridgefieldct.gov

GENERAL CONDITIONS GC-1

GENERAL CONDITIONS

1. CONTRACTOR'S UNDERSTANDING:

It is understood and agreed that the Contractor has, by careful examination, satisfied himself as to the nature and location of the work, the conformation of the ground, the character quality and quantity of materials to be encountered, the character of equipment and facilities needed preliminary to and during the prosecution of the work, the general and local conditions, and all other matters which can in any way affect the work under this Contract. No verbal agreement or conversation with any officer, agent or employee of the Owner, either before or after the execution of this contract, shall affect or modify any of the terms or obligations herein contained.

2. DEFINITIONS:

OWNER:

PROJECT MANAGER:

CONTRACTOR:

The word "Owner" when it appears in the Contract Documents shall mean The Town of Ridgefield, Connecticut.

The title "Project Manager" when it appears in the contract Documents shall mean: Denis DiPinto, Director of Parks and Recreation, or his specifically designated Agent.

The word "Contractor" when it appears in the Contract Documents shall mean the party to whom the Contract has been awarded.

3. MATERIALS, APPLIANCES AND EMPLOYEES:

Unless otherwise stipulated, the Contractor shall provide and pay for all materials, labor, water, tools, equipment, light, power, transportation and other facilities necessary for the execution and completion of the work. Unless otherwise specified, all materials shall be new and both workmanship and materials shall be of good quality. The Contractor shall, if required, furnish satisfactory evidence as to the kind and quality of materials.

The Contractor shall at all times endorse strict discipline and good order among their employees, and shall not employ on the work any unfit person or any one not skilled in the work assigned to him.

GENERAL CONDITIONS GC-2

4. PROTECTION OF WORK AND PROPERTY:

The Contractor shall continuously maintain adequate protection of all their work from damage and shall protect the Owner's property from injury or loss arising in connection with this Contract. They shall make good any such damage, injury or loss, except such as may be directly due to errors in the Contract Documents or caused by agents or employees of the Owner. They shall adequately protect adjacent property as provided by law and the Contract Documents. They shall provide and maintain all passageways, guard fences, lights and other facilities for protection required by public authority or local conditions.

In an emergency affecting the safety of life or of the work or of adjoining property, the Contractor, without special instruction or authorization from the Project Manager, is hereby permitted to act at their discretion, to prevent such threatened loss or injury, and they shall so act, without appeal, it so instructed or authorized. Any compensation claimed by the Contractor on account of emergency work, shall be determined by agreement or arbitration.

5. CHANGES IN THE WORK:

The Owner, without invalidating the Contract, may order extra work or make changes by altering, adding to or deducting from the work, the Contract Sum being adjusted accordingly. All such work shall be executed under the conditions of the original Contract except that any claim for extension of time caused thereby shall be adjusted at the time of ordering such change.

In giving instructions, the Project Manager shall have authority to make minor changes in the work, not involving extra cost, and not inconsistent with the purposes of the work, but otherwise, except in an emergency, endangering life or property, no extra work or change shall be made unless in pursuance of a written order by the Project Manager, and no claim for an addition to the Contract Sum shall be valid unless so ordered.

The value of any such extra work or change shall be determined in one or more of the following ways:

(a) By estimate and acceptance in a lump sum.

(b) By unit prices named in the Contract subsequently agreed upon.

(c) By cost and percentage or by cost and a fixed fee.

If none of the above methods is agreed upon, the Contractor, provided they receive an order as above, shall proceed with the work. In such case, and also under case (c), they shall keep and present in such form as the Project Manager may direct, a correct account of the net cost of labor and materials, together with

GENERAL CONDITIONS GC-3

vouchers. In any case, the Project Manager shall certify to the amount, including reasonable allowance for overhead and profit, due to the Contractor.

Pending final determination of value, payments on account of changes shall be made on the Engineer's estimate.

6. CLAIMS FOR EXTRA COST:

If the Contractor claims that any instructions by drawings or otherwise involve extra cost under this Contract, they shall give the Project Manager written notice thereof within a reasonable time after the receipt of such instructions and in any event before proceeding to execute the work, except in emergency endangering life or property, and the procedure shall then be as provided for changes in the work. No such claim shall be valid unless so made.

7. SUSPENSION OF WORK:

The Owner may at any time suspend the work, or any part thereof by giving 24 hours notice to the Contractor in writing. The work shall be resumed by the Contractor within ten (10) days after the date fixed in the written notice from the owner to the Contractor to do so. The Owner shall reimburse the Contractor for expense incurred by the Contractor in connection with the work under this contract as a result of such suspension.

8. THE OWNER'S RIGHT TO DO WORK:

If the Contractor should neglect to prosecute the work properly or fail to perform any provision of this Contract, the Owner, after three days written notice to the Contractor may, without prejudice to any other remedy they may have, make good such deficiencies and may deduct the cost thereof from the payment then or thereafter due the Contractor.

9. PAYMENTS WITHHELD:

The Owner may withhold or, on account of subsequently discovered evidence, nullify the whole or part of any certificate to such extent as may be necessary to protect him from loss on account of the following:

(a) Defective work not remedied.

(b) Claims filed or reasonable evidence indicating probable filing of claims.

(c) Failure of the Contractor to make payments properly to subcontractors or for material or labor.

(d) A reasonable doubt that the Contract can be completed for the balance then unpaid.

(e) Damage to another Contractor.

When the above grounds are removed, payment shall be made for amount withheld because of them.

GENERAL CONDITIONS GC-4

10. CONTRACTOR'S LIABILITY INSURANCE:

The Contractor shall maintain such insurance as will protect him from claims under workmen’s compensation acts and from any other claims for damages for personal injury, including death, which may arise from operations under this Contract, whether such operations be by himself or by any subcontractor or anyone directly or indirectly employed by either of them. Certificates of such insurance shall be filed with the Project Manager, if they so require and shall be subject to their approval for adequacy of protection.

11. INDEMNITY:

The Contractor shall indemnify and save harmless the Owner from and against all losses and all claims, demands, payments, suits, actions, recoveries and judgments of every nature and description brought or recovered against him, by reason of any act or omission of the said Contractor, their agents or employees, in the execution of the work or in the guarding of it.

The Contractor shall, and is hereby authorized to maintain and pay for such insurance, issued in the name of the Owner, as will protect the Owner from their contingent liability under this Contract, and the Owner’s right to force against the Contractor any provision of this article shall be contingent upon the full compliance by the Owner with the terms of such insurance policy or policies, a copy of which shall be deposited with the Owner.

12. DAMAGES:

Any claim for damage arising under this Contract shall be made in writing to the party liable within a reasonable time of the first observance of such damage and not later than the time of final payment, except as expressly stipulated otherwise in the case of faulty work or materials, and shall be adjusted by agreement or arbitration.

13. ASSIGNMENT:

Neither party to the Contract shall assign the Contract or sublet it as a whole without the written consent of the other, nor shall the Contractor assign any moneys due to or to become due to him hereunder, without the previous written consent of the Project Manager.

14. PROJECT MANAGER'S STATUS:

The Project Manager shall have general supervision and direction of the work. He has authority to stop the work whenever such stoppage may be necessary to insure the proper execution of the Contract. He shall also have authority to reject all work and materials which do not conform to the Contract, to direct the application of forces to any portion of the work, as in his judgment is required, and to order the force increased or diminished, and to decide questions which arise in the execution of the work.

GENERAL CONDITIONS GC-5

15. METHOD OF PAYMENT:

At the end of each calendar month, the Contractor shall submit to the Project Manager a requisition for payment which requisition shall be based upon the actual amount of the work performed during the previous month. The requisition may include materials stored on the site but not installed. The Project Manager shall, within ten (10) days, check the requisition against their review of the work which has been done and submit it to the Owner, a written statement as to the validity of the requisition. The Owner shall then pay to the Contractor one hundred percent (100%) of the amount stated in the Engineer's report.

In the event that this contract is subject to the State of Connecticut SBE/MBE set aside and contract compliance requirements, the Contractor’s attention is directed to Appendix “B”, State of Connecticut SBE/MBE requirements regarding the withholding of 2% of the State Funded portion of the contract value each month if the contract value exceeds $500,000, pending the review and approval of the Contractor’s Affirmative Action Plan by CHRO.

16. FINAL PAYMENT:

When the Contract has been completed, the Contractor shall notify the Project Manager in writing. Upon receipt of this notification, the Project Manager shall proceed to make final measurements of the work done under the provisions of this Contract. The Project Manager shall then submit to the Owner a written statement setting forth these final measurements and the amount due the Contractor consistent with the unit prices and lump sum bid in the bid. The Owner shall within sixty (60) days pay to the Contractor this sum except that they may deduct any moneys which are to be retained under the terms of the Contract for repairs or otherwise.

17. ORDER OF THE WORK:

The order of the work shall be subject to the approval of the Project Manager in all cases. The Contractor may be required to submit a work schedule in writing to the Project Manager for his approval.

18. PROTECTION TO PUBLIC:

The Contractor shall conduct the work in such a manner as to offer minimum disturbance to the public. They shall not close off traffic without specific permission of the Project Manager and shall provide flagmen if such becomes necessary, in the opinion of the Project Manager. Proper barricades, lights, and other protective devices shall be supplied at the Contractor’s expense and properly maintained during the entire course of the work.

GENERAL CONDITIONS GC-6

20. GUARANTEE:

The Contractor guarantees that the work to be done under this Contract and the materials furnished by him and used in the construction of the project are free from defects or flaws. The guarantee is for a term of one (1) year from and after the date upon which the final estimate of the Project Manager is formally approved by the party of the first part. It is hereby agreed and understood that this guarantee shall not include any repairs made necessary by any cause or causes other than defective materials furnished by or defective work done by the Contractor. Where warranty requirements conflict, the project-specific warranty requirements shall govern.

21. RATE OF PROGRESS AND TIME OF COMPLETION:

The Contractor shall commence work as coordinated with the Project Manager. Subsequent treatment shall be completed within the approved treatment window and in accordance with the schedule submitted by the Contractor and approved by the Project Manager. Weather and regulatory conditions shall be considered in establishing the annual treatment schedule.

22. EXTENSION OF TIME:

The Contractor expressly covenants and agrees that, in undertaking to complete the work within the time specified, they have taken into consideration and made allowance for all of the ordinary delays and hindrances incident to such work, whether growing out of delays in securing materials, workmen, or otherwise. Should the Contractor, however, be substantially delayed in the prosecution and completion of the work by any changes, additions, or omissions therein ordered in writing by the Project Manager, or by fire, lightning, earthquake, tornado, cyclone, riot, insurrection of war, or by the abandonment of the work by the workmen engaged therein, through no fault of the Contractor, or by the discharge of all or any material number of workmen in consequence of difficulties arising between the Contractor and such workmen, or by the neglect, delay, or default it of any other contractor of the town, then the Contractor may, within five (5) days after the occurrence of the delay for which they claim allowance, notify the Project Manager in writing, and thereupon, and otherwise, the Contractor shall be allowed such additional time for the completion of the work, as the Project Manager in his discretion shall award in writing, and his decision shall be final and conclusive upon the parties. Such additional time shall be the sole and exclusive remedy for any delay claimed by the Contractor.

23. SALES TAX:

In accordance with the provisions of Special Act No. 77-98, as amended, and Section 12-412(a) of the Connecticut General Statutes, sales of tangible personal property and services to the Town are not subject to the Connecticut Sales and Use Tax, and such tax shall not be included as part of the bid.

GENERAL CONDITIONS GC-7

24. TERMINATION OF CONTRACT

If the Owner fails to make payment thereon for a period of 30 days, the Contractor may, upon seven additional days written notice to the Owner, terminate the Contract and recover from the Owner payment for work executed and for proven loss with respect to materials, equipment tools, and construction equipment and machinery, including reasonable overhead, profit and damages applicable to the project.

If the contractor defaults or persistently fails or neglects to carry out the work in accordance with the Contract Documents or fails to perform a provision of the Contract, the Owner, after seven days written notice to the Contractor and without prejudice to any other remedy the Owner may have, may make good such deficiencies and may deduct the cost thereof, including compensation for the Engineer’s services and expenses made necessary thereby, from the payment then or thereafter due the Contractor. Alternatively, at the Owner’s option, and upon certification by the Project Manager that sufficient cause exists to justify such action, the Owner may terminate the Contract and take possession of the site and of all materials, equipment, tools, and construction equipment and machinery thereon owned by the Contractor and may finish the Work by whatever method the Owner may deem expedient. If the unpaid balance of the Contract Sum exceeds costs of finishing the Work, including compensation for the Engineer’s services and expenses made necessary thereby, such excess shall be paid to the Contractor, but if such costs exceed such unpaid balance, the Contractor shall pay the difference to the Owner.

Town of Ridgefield

CONTRACTOR’S QUALIFICATION STATEMENT Q-1

CONTRACTOR’S QUALIFICATION STATEMENT

List below references for similar projects, including all information requested. This page must be completed and submitted with the bid.

1. Client: _____________________________________________________________

Project Address: _________________________________________________________

Approximate Value: ____________ Date: Started __________Completed __________

Contact: Name _______________________________________Telephone ___________

2. Client: ______________________________________________________________

Project Address: _________________________________________________________

Approximate Value: ____________ Date: Started __________Completed __________

Contact: Name _______________________________________Telephone ___________

3. Client: _______________________________________________________________

Project Address: _________________________________________________________

Approximate Value: ____________ Date: Started __________Completed __________

Contact: Name _______________________________________Telephone ___________

4. Client: _______________________________________________________________

Project Address: _________________________________________________________

Approximate Value: ____________ Date: Started __________Completed __________

Contact: Name _______________________________________Telephone ___________

Company: ___________________________ Bid Title: _____________________

Street: ______________________________ Bid No.: ______________________

City, State: __________________________Telephone No.: ________________

Firm Address Point of Contact Name Point of Contact Number Type of Work Performed

CONTRACTOR'S LIST OF SUBCONTRACTORS

List below the subcontractors intended to be utilized for this project. This page must be completed and submitted with the bid.

General Contractor: ____________________________________

Address: ____________________________________________

Phone Number: _______________________________________

Bid Number: _______________

INSURANCE REQUIREMENTS IR-1

Purchasing Department, Town of Ridgefield,400 Main Street, Ridgefield,CT.

06877

203-431-2720 & purchasing@ridgefieldct.gov

APPENDIX - INSURANCE REQUIREMENTS

Each bidder shall carry and maintain the following insurance coverage during the period of the contract : The Certificate of Insurance for the Limits of Liability stated below should be submitted with your bid to the Purchasing Department at Town Hall. Bidders may not perform any work until all insurance requirements are met.

1. Comprehensive General Liability Insurance as will protect him, the Town, and any subcontractor performing work covered by this Contract, from claims for damages for personal injury, including accidental or wrongful death, as well as claims for property damages, which may arise from operations under this Contract whether such operations be by himself or by any subcontractor or by anyone directly or indirectly employed by either of them. Liability insurance shall include premises and operations, products, contractual, owners, and contractors protective. The minimum amounts of such insurance shall be as follows:

Bodily Injury Liability and Property Damage Liability:

$1,000,000 each occurrence.

The Town shall be named as an Additional Insured This MUST be stated explicitly on the Certificate or you will be disqualified

2. for all of his employees, employed at the site and in case any work is sublet, the Contractor shall require the subcontractor similarly to provide Work Compensation Insurance for all employees of the later unless such employees are covered by the protection afforded by the Contractor.

Statutory Limits

3. Comprehensive Auto Liability Insurance:

Bodily Injury Insurance and Property Damage Insurance covering the operation of all Motor Vehicles owned, hired and/or non-owned by the Contractor, or used by the Contractor in the Prosecution of the work

INSURANCE REQUIREMENTS IR-2

under the Contract, shall be in the minimum of $1,000,000 each occurrence.

All policies relating to this Contract shall be so written so that the Town shall be notified of cancellation or change at least thirty (30) days prior to the effective date for each policy and type of coverage except for nonpayment which shall be ten (10 ) days prior to the cancellation. Renewal certificate covering the renewal of all policies expiring during the life of the Contract shall be filed with the Town not less than ten (10) days before the expiration of such policies. Failure to do so will result in work stoppage and possible contract cancellation.

HOLD HARMLESS AGREEMENT

The undersigned covenants and agrees to and shall at all times indemnify, protect and save harmless the Town of Ridgefield from and against all costs or expenses resulting from any and all losses, damages, detriments, claims, demands, cost and charges including attorneys fees the Town of Ridgefield may directly or indirectly suffer, sustain or be subjected to by reason or on account of the work to be performed pursuant to this Contract or any activities in connection with said Contract whether such losses and damages be suffered or sustained by the Town of Ridgefield directly or by its employees, licensees or invitees or be suffered or sustained by other persons or corporations who may seek to hold the Town of Ridgefield liable therefore.

The Contractor shall comply with the Provisions of the Immigration Reform and

Control Act of 1986 effective and enforceable as of June 6, 1987 which Act makes unlawful the hiring for employment or subcontracting individuals failing to provide documentation of legal eligibility to work in the United States. The

Contractor shall hold the Town of Ridgefield harmless for the failure of the

Contractor to comply with the provisions of said Act.

IN WITNESS WHEREOF, the parties hereto have set their hand and seal this on the_________________ day of_____________

Signed, Sealed and Delivered in the

Presence of:

Signed:

Notary Public

MECHANICAL DRAWING LIST

M-100 - MECHANICAL SPECIFICATIONS

M-200 - MECHANICAL DEMOLITION ROOF PLAN

M-300 - MECHANICAL CONSTRUCTION ROOF PLAN

M-301 - MECHANICAL FIRST FLOOR PLAN

M-400 - MECHANICAL SCHEDULES, DETAILS AND CONTROLS

PIPE PITCHED DOWN IN

DIRECTION OF ARROW.

NUMBER INDICATES

INCHES OF PITCH PER

FOOT (WHEN SHOWN).

P 1/4

HVAC PIPING ABBREVIATIONS AND SYMBOLS

LPS(S/R) LOW PRESSURE STEAM

(SUPPLY/RETURN)

DR DRAIN PD PUMP DISCHARGE

PS PRESSURE SWITCHBFP BACKFLOW PREVENTER

FS FLOW SWITCHGPM GALLONS PER MINUTE

CWS(R) CONDENSER WATER

SUPPLY (RETURN)

HWS(R) HOT WATER SUPPLY

(RETURN)

CHWS(R) CHILLED WATER SUPPLY

(RETURN)

BALL VALVE ELECTRIC ACTUATOR

GATE VALVE SOLENOID ACTUATOR

GLOBE VALVE

PLUG VALVE

PRESSURE REDUCING

VALVE

BUTTERFLY VALVE

PNEUMATIC ACTUATOR

CONCENTRIC REDUCER

ECCENTRIC REDUCERBALANCING VALVE

FLOW LIMITING VALVE

PUMPSAFETY RELIEF VALVE

PRESSURE GAUGE

CHECK VALVE

STRAINER W/ BLOWDOWN

VALVE

THERMOMETER

3-WAY VALVE

THERMOWELL

EXPANSION JOINT

UNION

PIPE GUIDE

MANUAL AIR VENT (AUTO)

FLEXIBLE CONNECTION

BOTTOM CONNECTION

ELBOW DOWN

ELBOW UP

CONTROL VALVE & TRIM

TOP CONNECTION

MECHANICAL SPECIFICATIONS:

1.0 GENERAL

1. REFER TO SPECIFICATIONS FOR ADDITIONAL PROJECT REQUIREMENTS AND

WORK RELATED TO OTHER TRADES. IMMEDIATELY NOTIFY THE ENGINEER

OF ANY CONFLICTS AND PROVIDE WRITTEN REQUEST FOR

INFORMATION.

1.1 SCOPE OF WORK

A.THE WORK UNDER THIS SECTION OF THE SPECIFICATIONS INCLUDES ALL

LABOR, MATERIALS, EQUIPMENT AND SERVICES FOR AIR HANDLING

SYSTEMS REPLACEMENT AND CONTROLS UPGRADE AND OTHER WORK AS

SHOWN ON THE CONTRACT DRAWINGS. WORK SHALL BE IN ACCORDANCE

WITH THESE SPECIFICATIONS AND THE CONTRACT DRAWINGS AND

SUBJECT TO THE TERMS AND CONDITIONS OF THE CONTRACT. THE WORK

IN GENERAL CONSISTS OF, BUT IS NOT LIMITED TO, THE FOLLOWING:

1. DEMOLITION OF ONE (1) ROOF MOUNTED AIR HANDLING UNIT.

2. INSTALLATION OF ONE (1) NEW ROOF MOUNTED AIR HANDLING UNIT.

3. RIGGING.

4. GAS PIPING.

5. ROOFING AS REQUIRED.

6. DUCTWORK, PIPING, INSULATION AND ASSOCIATED WORK.

7. COORDINATION WITH OWNERS DDC CONTROLS CONTRACTOR FOR

INSTALLATION & START-UP

8. INSTALLATION OF DUCT SMOKE DETECTORS AND ASSOCIATED FIRE

ALARM WORK.

9. AIR BALANCING.

10. RECORD AS-BUILT DRAWINGS AND OPERATING AND MAINTENANCE

MANUALS FOR EQUIPMENT PROVIDED BY THIS CONTRACTOR.

11. ELECTRICAL: SUBCONTRACT WITH ELECTRICAL CONTRACTOR TO

PROVIDE ALL REQUIRED ELECTRICAL SERVICES, INCLUDING

DISCONNECTION OF EXISTING AND RECONNECTION OF NEW UNIT,

UPGRADING BREAKER/FEEDER SIZES, AND DISCONNECTION &

RECONNECTION OF LIGHTNING PROTECTION SIZES AS REQUIRED.

12. THE CONTROLS FOR THE ROOF TOP UNIT ARE TO BE SELF CONTAINED.

THE BUILDINGS CONTROL VENDOR (ECS) WILL INTERFACE WITH THE

UNIT VIA BACNET TO PROVIDE REMOTE MONITORING AND CONTROL.

THE MECHANICAL CONTRACTOR SHALL INCLUDE IN HIS BID,

COOPERATE WITH BUILDING CONTROL VENDOR, UNIT MANUFACTURER

SHALL FURNISH BACNET COMPATIBLE SYSTEMS AND PROVIDE

ASSISTANCE WITH THE MAPPING AND ACCESS TO INPUT AND OUTPUT

POINTS.

B. THE CONTRACTOR (MECHANICAL) SHALL ACT AS THE PRIME CONTRACTOR

FOR THIS PROJECT AND CONTACT AND COORDINATE WORK WITH OTHER

TRADES INCLUDING G.C. ROOFING, RIGGING, PLUMBER, ELECTRICAL, FIRE

ALARM AND CONTROLS. FOR THIS PROJECT.

C. THIS CONTRACTOR SHALL ENGAGE GENERAL CONTRACTORS TO PROVIDE

PROTECTION OF EXISTING ROOFTOP AND ALL WORK AREAS.

D. THIS CONTRACTOR SHALL HIRE AND ENGAGE RIGGING CONTRACTOR TO

REMOVE EXISTING RTU AND INSTALL NEW INCLUDING:

1. OBTAIN ALL PERMITS AND CITY APPROVALS FOR CRANE AND

RIGGING WORK, INCLUDE ALL TRAFFIC CONTROL MEASURES, WORK

ONLY AT TIME APPROVED BY LOCAL AUTHORITIES.

2. SUBMIT RIGGING PLAN TO TOWN FOR APPROVAL.

3. COORDINATE RIG WITH TOWN, STORE UNIT UNTIL APPROVAL

RIGGING DATE.

1.2 BIDDING

A. CONTRACTOR SHALL VISIT THE JOB AND FULLY FAMILIARIZE THEMSELVES

WITH THE EXISTING CONDITIONS PRIOR TO SUBMISSION OF BIDS.

B. CONTRACTOR SHALL COORDINATE THE REQUIREMENTS OF ANY AND ALL

DRAWINGS INCLUDING MECHANICAL, ELECTRICAL AND CONTROLS. ANY

CONFLICT SHALL BE BROUGHT TO THE ATTENTION OF THE ENGINEER

DURING THE BIDDING PERIOD.

C. CONTRACTOR IS TO OBTAIN A COPY OF THE BUILDING RULES AND

REGULATIONS PRIOR TO BID SUBMISSION TO DETERMINE THE

REQUIREMENTS AND THE EXTENT OF PREMIUM TIME WORK REQUIRED BY

THE BUILDING.

1.3 GENERAL REQUIREMENTS

A. ALL WORK SHALL BE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL,

STATE AND LOCAL BUILDING CODES AND ALL BUILDING OWNER RULES AND

REGULATIONS INCLUDING USE OF BUILDINGS ROOFING CONTRACTOR AND

BMS CONTRACTOR.

B. CONTRACTOR SHALL PAY ALL FEES AND TAXES, OBTAIN ALL PERMITS AND

APPROVALS, FILE THE REQUIRED DOCUMENTS. SCHEDULE AND PAY ALL

FEES FOR ALL BUILDING AND FIRE DEPARTMENT INSPECTIONS.

C. THE CONTRACTOR SHALL WARRANTY ALL WORK FOR A PERIOD OF 12

MONTHS FROM ACCEPTANCE BY OWNER. DURING THIS WARRANTY PERIOD,

CONTRACTOR SHALL RESPOND TO ALL CALLS FOR SERVICE, REPAIRS AND

ADJUSTMENTS REQUIRED BY OWNER. CONTRACTOR SHALL INSTALL

REPLACEMENT PARTS AND MATERIAL REQUIRED AT NO COST TO THE

OWNER. ALL EQUIPMENT WARRANTIES SHALL BE TRANSFERRED TO OWNER

AND SERVICED BY CONTRACTOR AS PART OF THIS CONTRACT.

D. CONTRACTOR SHALL COORDINATE WITH OTHER CONTRACTORS INCLUDING,

ELECTRICAL, PLUMBING, FIRE PROTECTION, CONTROLS AND GENERAL

CONTRACTOR. CONTRACTOR SHALL PARTICIPATE IN DEVELOPMENT OF

COORDINATED SHOP DRAWINGS.

E. CONTRACTOR SHALL PROVIDE PROTECTION TO ALL ROOF SURFACES

THROUGHOUT THE CONSTRUCTION PROCESS. THIS CONTRACTOR SHALL

REPAIR AND REPLACE ANY SECTIONS OF ROOFING DAMAGED BY THE

INSTALLATION OF NEW WORK. ALL REPAIRS TO BE PERFORMED BY

ROOFERS BONDED TO WORK ON EXISTING ROOF, AS APPROVED BY OWNER.

F. CONTRACTOR SHALL INFORM PROJECT MANAGER IMMEDIATELY UPON

DISCOVERY OF ANY ASBESTOS OR OTHER HAZARDOUS MATERIAL THAT

WILL BE DISTURBED DUE TO THIS WORK.

G. DEMOLITION AND OTHER WORK WHICH MAY CREATE A DISTURBANCE MUST

BE COORDINATED WITH THE OWNER. THE DELIVERY, HANDLING AND

INSTALLATION OF MATERIALS, EQUIPMENT AND REMOVAL OF DEBRIS MUST

BE ARRANGED TO AVOID ANY INCONVENIENCE AND ANNOYANCE TO

OWNER. THE CONTRACTOR SHALL DISPOSE OF ALL DEMOLITION AND

UNUSED MATERIALS.

H. THOROUGHLY BRUSH AND CLEAN UP WORK AT THE END OF EACH DAY.

REMOVE ALL DEBRIS FROM INSIDE AND OUTSIDE OF ALL DUCTWORK,

PIPING AND EQUIPMENT. PAINTED EXPOSED WORK, SOILED OR DAMAGED,

SHALL BE CLEANED OR REPAINTED TO MATCH ADJOINING WORK BEFORE

FINAL ACCEPTANCE.

I. SUBSTITUTIONS FOR THE SPECIFIED EQUIPMENT SHALL NOT BE PERMITTED

WITHOUT APPROVAL FROM THE ENGINEER. THE ASSOCIATED CHANGE IN

THE CONTRACT PRICE SHALL BE INCLUDED WITH ANY PROPOSED

SUBSTITUTIONS AT THE TIME OF BID.

J. SEISMIC MOUNTING AND BRACING OF ALL EQUIPMENT, PIPING ETC. SHALL

BE IN ACCORDANCE WITH STATE AND LOCAL REQUIREMENTS. THE SEISMIC

REQUIREMENTS SHALL BE BASED ON A USE TYPE [3]

K. THE CONTRACTOR SHALL COORDINATE WITH EQUIPMENT MANUFACTURER'S

SERVICE REPRESENTATIVE TO ENSURE PROPER INSTALLATION, PIPING AND

SERVICE CLEARANCE REQUIREMENTS ARE MET.

L. LAYOUT SYSTEMS TO MAINTAIN ACCESS AND SERVICE CLEARANCES FOR

INSTALLED EQUIPMENT, VALVES, CONTROLS, VOLUME DAMPERS,

FIRE/SMOKE DAMPERS AND ALL COMPONENTS REQUIRING ACCESS.

SERVICE ACCESS SHALL BE AS RECOMMENDED BY MANUFACTURER OR AS

REQUIRED BY CODE WHICHEVER IS GREATER.

M. IF BUILDING REMAINS OPEN DURING CONSTRUCTION (TBD), MAINTAIN

OPERATION OF BUILDING SYSTEMS DURING CONSTRUCTION. ANY

REQUIRED SHUTDOWNS OF BUILDING SYSTEMS MUST BE COORDINATED

WITH THE OWNER.

N. UNLESS OTHERWISE SPECIFIED, THE MOST RECENT VERSIONS OF THE

FOLLOWING CODES AND STANDARDS APPLY AND ARE MADE A PART OF

THIS SPECIFICATION

1. CT STATE BUILDING CODE.

2. INTERNATIONAL MECHANICAL CODE (IMC).

3. INTERNATIONAL ENERGY CONSERVATION CODE (IECC).

4. UNDERWRITER'S LABORATORIES, INC. (UL).

5. NATIONAL FIRE PROTECTION ASSOCIATION (NFPA).

6. AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME).

7. AMERICAN NATIONAL STANDARD INSTITUTE (ANSI).

8. OSHA - FEDERAL STANDARDS

9. AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR

CONDITIONING ENGINEERS, INC. (ASHRAE).

10. AIR CONDITIONING & REFRIGERATION INSTITUTE (ARI).

11. AMERICAN WELDING SOCIETY (AWS).

12. AMERICAN SOCIETY OF TESTING AND MATERIALS (ASTM).

13. SHEET METAL AND AIR CONDITIONING CONTRACTORS NATIONAL

ASSOCIATION (SMACNA)

1.4 COORDINATION WITH BUILDING MANAGEMENT

A. THIS CONTRACTOR IS RESPONSIBLE FOR ADHERING TO THE BUILDING

OWNER'S RULES AND REGULATIONS. ANY DISCREPANCIES BETWEEN THE

CONTRACTOR DOCUMENTS AND THE BUILDING RULES AND REGULATIONS

SHALL BE SUBMITTED IN WRITING TO THE ARCHITECT/ENGINEER FOR

REVIEW, WITH BID SUBMISSION.

B. COORDINATE WITH BUILDING OWNER FOR ANY SERVICE INTERRUPTION OF

EXISTING SYSTEMS AND GIVE NOTICE AS REQUIRED BY BUILDING RULES

AND REGULATIONS OR A MINIMUM OF TWO (2) DAYS PRIOR TO ANY WORK,

WHICHEVER IS MORE STRINGENT. CONTRACTOR IS TO PERFORM WORK ON

PREMIUM TIME, IF SO DIRECTED BY BUILDING OWNER, SO AS NOT TO

INTERRUPT BUILDING SERVICES DURING OCCUPIED PERIODS.

1.5 SUBMITTALS

A. SHOP DRAWINGS OF THE FOLLOWING SHALL BE SUBMITTED FOR REVIEW

PRIOR TO PURCHASE AND INSTALLATION.

1. MANUFACTURER'S SUBMITTAL DATA FOR ALL EQUIPMENT SUPPLIED.

SUBMITTALS SHALL CLEARLY INDICATE SPECIFIC ITEMS PROPOSED

AND WHERE EACH ITEM IS TO BE APPLIED.

2. EQUIPMENT SOUND POWER DATA BROKEN INTO OCTAVE BANDS.

3. DIMENSIONED AND DETAILED PIPING, EQUIPMENT AND DUCTWORK

LAYOUT AT 3/8" = 1'-0" SCALE, MINIMUM. THIS MUST BE COORDINATE

WITH OTHER TRADES.

4. SHOP STANDARDS AND INSTALLATION DETAILS FOR DUCTWORK,

PIPING, INSULATION, STRUCTURAL SUPPORTS, VIBRATION ISOLATION,

AND SEISMIC SUPPORT.

5. PIPE CLEANING AND FLUSHING PROCEDURE.

6. AIR BALANCING REPORTS.

7. OTHER SUBMITTAL DATA NOTED ELSEWHERE.

B. SUBMITTAL QUANTITIES AND METHODS SHALL BE AS OUTLINED IN THE

GENERAL PROVISIONS OF THE CONTRACT DOCUMENTS AS APPLICABLE.

OTHERWISE A MINIMUM OF TWO HARD COPIES AND ONE "PDF" COPY SHALL

BE SUBMITTED.

C. SUBMIT DETAILED PROJECT SCHEDULE, WITHIN TWO (2) WEEKS OF

CONTRACT AWARD.

1.6 RECORD DRAWINGS

A. MAINTENANCE MANUALS, AS-BUILT DRAWINGS SHOWING ALL DUCTWORK,

PIPING AND EQUIPMENT AND TEST AND BALANCING REPORTS SHALL BE

SUBMITTED TO THE OWNER AT THE COMPLETION OF THE WORK. THE

AS-BUILT DRAWINGS SHALL ALSO SHOW EXISTING WORK WITHIN THE

WORK AREA INCLUDING DUCTS AND PIPING THAT WAS CAPPED, REROUTED

AND REMAINING IN WORK AREA.

B. RECORD DOCUMENTS TO BE ISSUED IN "PDF" AND TWO PRINTED COPIES.

1.7 GUARANTEE

A. ALL MATERIALS AND WORKSMANSHIP SHALL BE GUARANTEED FOR A

PERIOD OF ONE YEAR FROM DATE OF FINAL ACCEPTANCE OF THIS WORK.

FINAL ACCEPTANCE SHALL BE DEFINED AS THE TIME AT WHICH THE

MECHANICAL WORK IS TAKEN OVER AND ACCEPTED BY THE OWNER, AND IS

UNDER CARE, CUSTODY, AND CONTROL OF THE OWNER. ENGAGE THE

SERVICES OF VARIOUS MANUFACTURERS SUPPLYING THE EQUIPMENT FOR

THE PROPER STARTUP AND OPERATION OF ALL SYSTEMS INSTALLED.

INSTRUCT THE OWNER'S PERSONNEL IN THE PROPER OPERATION AND

SERVICING OF THE SYSTEM.

B. THE CONTRACTOR SHALL GUARANTEE TO REPLACE OR REPAIR PROMPTLY

AND ASSUME RESPONSIBILITY FOR ALL EXPENSES INCURRED FOR ANY

WORKMANSHIP AND EQUIPMENT IN WHICH DEFECTS DEVELOP WITHIN THE

GUARANTEE PERIOD. THIS WORK SHALL BE DONE AS DIRECTED BY THE

OWNER. THIS GUARANTEE SHALL INCLUDE RESPONSIBILITY FOR ALL

EXPENSES INCURRED IN REPAIRING AND REPLACING WORK OF OTHER

TRADES AFFECTED BY DEFECTS, REPAIRS OR REPLACEMENTS, IN

EQUIPMENT SUPPLIED BY THIS CONTRACTOR.

C. ALL EQUIPMENT WARRANTIES SHALL BE TRANSFERRED TO OWNER AND

SERVICED BY CONTRACTOR AS PART OF THIS CONTRACT.

D. ALL AIR CONDITIONING UNIT COMPRESSORS AND REFRIGERATION

COMPONENTS SHALL HAVE A 5-YEAR WARRANTY.

2.0 DUCTWORK MATERIALS AND INSTALLATIONS

2.1 DUCTWORK

A. ALL DUCTWORK SHALL BE LOCK FORMING QUALITY G-90 GALVANIZED

STEEL SHEETS UNLESS OTHERWISE NOTED ON DRAWINGS. ALL

DUCTWORK SHALL CONFORM TO THE CONSTRUCTION DETAILS AND

RECOMMENDATIONS IN THE LATEST ISSUES OF THE ASHRAE GUIDE, NFPA

BULLETINS 90A, B & C AND THE SMACNA DUCT MANUAL. INSTALLATION OF

DUCTWORK SHALL BE AS RECOMMENDED BY THE ABOVE. NOTE THAT SOME

DUCTWORK IS LARGE, AND DUCT MUST BE CONSTRUCTED TO PREVENT "TIN

CANNING". ALL DUCT SEAMS SHALL BE SEALED WITH DUCT SEALANT.

DUCT LEAKAGE SHALL NOT EXCEED VALUES SET BY THE SMACNA

STANDARDS, AND RECOMMENDATIONS BY ASHRAE, AND IN NO CASE SHALL

BE MORE THAN 5 PERCENT.

B. PRESSURE CLASSIFICATIONS SHALL BE MINIMUM OF 2" W.G. EXCEPT AS

INDICATED BELOW AND AS INDICATED ON DRAWINGS. ALL SYSTEM

COMPONENTS SHALL BE SELECTED AND INSTALLED TO ACHIEVE THE

PRESSURE RATINGS.

SERVICE PRESSURE RATING

ALL DUCTWORK 2" IN. W.G

C. ALL 90 DEGREE MITER ELBOWS SHALL HAVE DOUBLE THICKNESS AIR FOIL

TYPE TURNING VANES AS DETAILED IN THE SMACNA STANDARDS. ALL

OTHER ELBOWS SHALL HAVE A MINIMUM TURNING RADIUS OF ONE DUCT

WIDTH AS MEASURED FROM THE CENTER LINE. ALL DUCT SUPPORTS SHALL

CONFORM TO SMACNA STANDARDS.

D. DUCT DIMENSIONS SHOWN ON DRAWINGS SHALL BE CLEAR INSIDE

DIMENSIONS.

2.2 DUCT AND AIR SYSTEMS INSULATION

A. DUCTWORK INSULATION SHALL CONFORM TO MAXIMUM FLAME

SPREAD/SMOKE DEVELOPMENT/FUEL CONTRIBUTION RATINGS OF 25 FLAME

SPREAD, 50 SMOKE DEVELOPED AND 50 FUEL CONTRIBUTED IN

ACCORDANCE WITH ASTM E84, WITH "K" VALUE OF 0.29 AT 75 DEGREES F.

INSULATION SHALL PROVIDE CONTINUOUS, VAPOR BARRIER AND JOINTS

SHALL BE SECURED WITH PRESSURE SENSITIVE TAPE. MOISTURE VAPOR

TRANSMISSION PER ASTM E96, 1.3 PERM. MINIMUM DUCTWORK

INSULATION R VALUES SHALL BE AS FOLLOWS:

B. DUCT AND PLENUM INSULATION SCHEDULE.

SERVICE THICKNESS

WITHIN COND. AREA OUTDOORS AND

UNCOND. AREA

CONDITIONED SUPPLY 1-1/2" 2" (R-12)

CONDITIONED RETURN 1-1/2" 2" (R-12)

C. DUCTS AND PLENUMS IN EXPOSED LOCATIONS: 3.0 LBS/CF DENSITY, RIGID

GLASS FIBER BOARD INSTALLED ON EXTERIOR OF DUCTS AND PLENUMS:

OUTSIDE AIR DUCTS AND PLENUMS, MIXED AIR PLENUMS, AND SUPPLY

DUCTS WITHIN MECHANICAL ROOMS AND OTHER EXPOSED LOCATIONS.

D. DUCTS AND PLENUMS IN CONCEALED (ACCESSIBLE) LOCATIONS: 1.5

LBS/CF DENSITY, FLEXIBLE GLASS FIBER WRAP.

E. SCHEDULE - ACOUSTICAL LINING

SERVICE THICKNESS DISTANCE-FEET

UPTREAM AND DOWNSTREAM 1" 15

OF FANS AND AHUS

F. PROVIDE 1", CLOSED CELL ELASTOMERIC, MICROBIAL RESISTANT DUCT

LINER, K-FLEX DUCT LINER OR EQUIVALENT, FOR A MINIMUM OF 15 FEET

UPSTREAM (RETURN) OF RETURN FANS AND AIR HANDLING UNITS AND

OTHER LOCATIONS WHERE INDICATED ON THE DRAWINGS. COAT LINER

WITH MANUFACTURERS RECOMMENDED COATING. LINED DUCTWORK MUST

MEET AN R-12 INSULATION VALUE AND MAY REQUIRE EXTERNAL DUCT

INSULATION.

G. INSULATION SHALL BE INSTALLED PER MANUFACTURER'S

RECOMMENDATIONS AND SMACNA GUIDELINES.

H. EXTERIOR DUCT INSULATION: PROVIDE JOHNS MANSVILLE JM XSPECT AND

3M VENTURECLAD DUCT JACKETING. INSTALL INSULATION AND JACKETING

IN STRICT COMPLIANCE WITH MANUFACTURERS INSTALLATION

INSTRUCTIONS.

I. EXTERIOR DUCTS AND INSULATION MUST BE PROTECTED AGAINST DAMAGE

AND WEATHER WITH A COVERING IN COMPLIANCE WITH IMC (603.15,

603.16, 604.12) AND SMACMA STANDARDS. PROVIDE POLYGUARD

PRODUCTS, INC. ALUMAGUARD ALL WEATHER, OR APPROVE EQUAL,

WEATHERPROOF JACKETING FOR ALL EXPOSED DUCTWORK ON THE ROOF.

2.3 AIR SYSTEM - VIBRATION ISOLATION

A. PROVIDE VIBRATION ISOLATION FOR ALL FANS WHERE NOT INTERNALLY

ISOLATED.

B. WHERE FANS ARE NOT PROVIDED WITH INTERNALLY ISOLATED FANS

-PROVIDE NEOPRENE FLEXIBLE CONNECTIONS IN DUCTWORK AT FAN

CONNECTIONS TO DUCTWORK.

3.0 PIPING MATERIALS AND INSTALLATION

3.1 GENERAL

A. PRESSURE RATINGS FOR PRESSURIZED PIPING SHALL BE AS INDICATED

BELOW AND AS NOTED ON THE DRAWINGS. ALL SYSTEM MATERIALS AND

COMPONENTS SHALL BE SELECTED AND INSTALLED TO ACHIEVE THE

PRESSURE RATINGS AS FOLLOWS:

SERVICE PRESSURE RATING

ALL PIPING 125 PSI

3.1 PIPE AND FITTINGS

A. PROVIDE PIPING AS INDICATED ON SCHEDULE BELOW AND INDICATED ON

DRAWINGS.

SERVICE PIPING JOINTS

AC CONDENSATE PVC

GAS PIPING STEEL SEE BELOW

B. STEEL PIPING: ASTM 53 SCHEDULE 40 SEAMLESS STEEL. ASTM SCHEDULE

80 SEAMLESS STEEL. FITTINGS SHALL BE ANSI/ASTM B16.3 THREADED

[B16.5 WELDED] MALLEABLE IRON CLASS [150], OR ASTM B234, FORGED

STEEL CLASS [150]. ALL JOINTS FOR PIPING 2" AND LESS TO BE SCREWED

AND PIPING 2-1/2" AND LARGER SHALL BE WELDED OR FLANGED. REDUCER

FITTINGS SHALL BE ECCENTRIC TYPE. ALL TURNS AND BRANCHES IN

PIPING SHALL BE MADE USING FITTINGS EXCEPT WELDOLETS MAY BE USED

WHEN THE SIZE OF THE BRANCH PIPING IS 1/2 THE SIZE OR LESS OF THE

MAIN BRANCH.

C. JOINTS: SCREWED FOR PIPE 2 INCH AND UNDER; ANSI/AWS D1.1 WELDED

FOR PIPE OVER 2 INCH.

D. FLANGES, UNIONS, AND COUPLINGS: PIPE SIZE 2 INCHES AND UNDER:

SERVICE 150 PSI WORKING PRESSURE MALLEABLE IRON UNIONS FOR

THREADED FERROUS PIPING. PIPE SIZE OVER 2 INCHES: SERVICE 150 PSI

WORKING PRESSURE FORGED STEEL SLIP-ON FLANGES FOR FERROUS

PIPING.

E. CONDENSATE DRAIN PIPING SHALL BE PVC.

F. PROVIDE DIELECTRIC FITTINGS AT THE JOINING OF ALL DISSIMILAR

METALS.

G. PROVIDE SUFFICIENT HANGERS, SUPPORTS, ANCHORS AND MOUNTING

DEVICES TO SUPPORT ALL PIPING INSTALLED UNDER THIS CONTRACT

WITHOUT SAGGING OR INTERFERENCE, PROPERLY PITCHED AND SO

LOCATED AND ARRANGED AS TO PERMIT FREE EXPANSION AND

CONTRACTION.

3.2 VALVES AND PIPING SPECIALTIES

A. ALL VALVES SHALL BE OF A DESIGN WHICH THE MANUFACTURER LISTS FOR

THE SERVICE AND SHALL BE OF MATERIALS ALLOWED BY THE LATEST

EDITION OF THE ASME CODE FOR PRESSURE PIPING, FOR THE MAXIMUM

OPERATING PRESSURE AND TEMPERATURE, UNLESS A HIGHER GRADE OR

QUALITY IS HEREIN SPECIFIED. ALL VALVES SHALL BE OF THE SAME

MANUFACTURER, EXCEPT FOR SPECIAL APPLICATIONS.

B. EACH VALVE SHALL HAVE THE MAKER'S NAME OR BRAND, THE FIGURE OR

LIST NUMBER AND THE GUARANTEED WORKING PRESSURE CAST ON THE

BODY AND CAST OR STAMPED ON THE BONNET, OR SHALL BE PROVIDED

WITH OTHER MEANS OF EASY IDENTIFICATION.

C. BALL VALVES UP TO 2-1/2 INCHES: BRONZE TWO PIECE BODY, STAINLESS

STEEL FULL PORT BALL, TEFLON SEATS AND STUFFING BOX RING, LEVER

HANDLE SOLDER ENDS.

D. ALL VALVES 2 INCHES IN DIAMETER AND SMALLER SHALL BE ALL BRONZE

WITH BRONZE BODIES. VALVES 2-1/2 INCHES IN DIAMETER AND LARGER

SHALL HAVE IRON BODIES WITH BRONZE MOUNTINGS UNLESS OTHERWISE

SPECIFIED.

E. ALL VALVES AND SPECIALTIES SHALL BE SO PLACED AS TO PERMIT EASY

OPERATION AND ACCESS.

F. ALL VALVES UP TO 2 INCHES IN DIAMETER SHALL HAVE SWEAT OR SCREW

ENDS, 2-1/2" IN DIAMETER AND OVER SHALL HAVE FLANGED ENDS.

3.3 PIPING SYSTEMS INSTALLATION

A. DIELECTRIC FITTINGS MUST BE USED AT JOINTS CONNECTING DISSIMILAR

METAL PIPE OR VALVE MATERIALS.

B. ROUTE PIPING IN ORDERLY MANNER, PLUMB AND PARALLEL TO BUILDING

STRUCTURE, AND MAINTAIN SPECIFIED GRADIENTS.

C. ALL VALVES AND SPECIALTIES SHALL BE SO PLACED AS TO PERMIT EASY

OPERATION AND ACCESS.

D. PROVIDE VALVES IN ALL APPARATUS; SO LOCATED, ARRANGED AND

OPERATED AS TO GIVE COMPLETE SHUTOFF.

E. PREPARE PIPING CONNECTIONS TO EQUIPMENT WITH FLANGES OR UNIONS.

F. PROVIDE CLEARANCE FOR ACCESS TO VALVES AND FITTINGS.

G. INSTALL VALVES WITH STEMS UPRIGHT OR HORIZONTAL, NOT INVERTED.

3.4 PIPING SYSTEMS HANGERS, ANCHORS AND SUPPORTS

A. ATTACHMENTS FOR PIPING 2" AND SMALLER WITH LOADS ONLY UP TO 250

LBS. IS TO BE ACCOMPLISHED BY DRILLED-IN EXPANSION SHIELD TYPE

ANCHORS.

B. BUILDING FIRE PROOFING SHALL BE RESTORED WHERE DISTURBED

C. WHERE PIPING IS RUN NEAR THE FLOOR AND NOT HUNG FROM THE CEILING

CONSTRUCTION, BUT IS SUPPORTED FROM THE FLOOR OR IN A TRENCH,

SUCH SUPPORTS SHALL BE OF PIPE STANDARDS WITH BASE FLANGE AND

ADJUSTABLE TOP YOKE.

4.0 IDENTIFICATION

A. PROVIDE IDENTIFICATION OF PIPING USING SPRAY PAINT AND TEMPLATES

OR WITH PLASTIC STRAP ON MARKERS AS MANUFACTURED BY SETON NAME

PLATE COMPANY. COLORS AND LETTERING SHALL MATCH EXISTING.

PIPING SHALL BE LABELED A MINIMUM OF EVERY 30 FEET AND WHERE

PIPING PASSES THROUGH WALLS.

B. ALL EQUIPMENT MUST HAVE THE MANUFACTURER'S NAMEPLATE VISIBLE

AND SHALL NOT BE PAINTED OVER, INSULATED OR LOCATED WHERE

DIFFICULT TO VIEW.

5.0 TESTING AND BALANCING

A. SUBCONTRACT WITH AN INDEPENDENT AGENCY FOR THE TESTING,

ADJUSTMENT, AND BALANCING OF THE AIR SYSTEM. AGENCY SHALL BE

COMPANY SPECIALIZING IN THE ADJUSTING AND BALANCING OF SYSTEMS

SPECIFIED IN THIS SECTION WITH MINIMUM 5 YEARS EXPERIENCE,

CERTIFIED BY AABC. PERFORM WORK UNDER SUPERVISION OF REGISTERED

PROFESSIONAL ENGINEER. TOTAL SYSTEM BALANCE SHALL BE PERFORMED

IN ACCORDANCE WITH AABC NATIONAL STANDARDS FOR FIELD

MEASUREMENT AND INSTRUMENTATION, TOTAL SYSTEM BALANCE.

B. ADJUST FLOW TO WITHIN 10 PERCENT OF DESIGN REQUIREMENTS.

PREPARE AND SUBMIT A BALANCING REPORT. INCLUDE DESIGN VALUES

FOR THE SAME. REPORT TO INCLUDE ACTUAL ELECTRICAL

CHARACTERISTICS OF EACH PIECE OF EQUIPMENT TO BE BALANCED (RPM,

AMPS, BHP, ETC.) AS WELL AS ELECTRICAL NAMEPLATE

CHARACTERISTICS.

C. SEQUENCE WORK TO COMMENCE AFTER COMPLETION OF SYSTEMS AND

SCHEDULE COMPLETION OF WORK BEFORE SUBSTANTIAL COMPLETION OF

PROJECT. BEFORE COMMENCING WORK, VERIFY THAT SYSTEMS ARE

COMPLETE AND OPERABLE. ENSURE THE EQUIPMENT IS OPERABLE AND IN A

SAFE AND NORMAL CONDITION, THE TEMPERATURE CONTROL SYSTEMS ARE

INSTALLED COMPLETE AND OPERABLE AND PROPER THERMAL OVERLOAD

PROTECTION IS IN PLACE FOR ELECTRICAL EQUIPMENT. BEGINNING OF

WORK MEANS ACCEPTANCE OF EXISTING CONDITIONS.

D. REPORT ANY DEFECTS OR DEFICIENCIES NOTED DURING PERFORMANCE OF

SERVICES TO ENGINEER. PROMPTLY REPORT ABNORMAL CONDITIONS IN

MECHANICAL SYSTEMS OR CONDITIONS WHICH PREVENT SYSTEM BALANCE.

E. PERMANENTLY MARK SETTINGS OF DAMPERS AND OTHER ADJUSTMENT

DEVICES ALLOWING SETTINGS TO BE RESTORED. SET AND LOCK MEMORY

STOPS. AFTER ADJUSTMENT, TAKE MEASUREMENTS TO VERIFY BALANCE

HAS NOT BEEN DISRUPTED OR THAT SUCH DISRUPTION HAS BEEN

RECTIFIED.

F. LEAVE SYSTEMS IN PROPER WORKING ORDER, CLOSING DOORS TO

ELECTRICAL SWITCH BOXES, AND RESTORING THERMOSTATS TO SPECIFIED

SETTINGS.

NEW WORK

OR S.F.

DRAWING NOTE

A

GENERAL DRAWING ABBREVIATIONS & SYMBOLS

W/ WITH W/O WITHOUT

TYP TYPICAL NIC NOT IN CONTRACT

AD ACCESS DOOR

AFF ABOVE FINISH FLOOR

DWG DRAWING

DN DOWN

VIF VERIFY IN FIELD

C/L CENTER LINE

UON UNLESS OTHERWISE NOTEDN NEW

SQFT SQUARE FOOTD…