Provide-Install New Chiller-Building 1080.docx

PROVIDE/INSTALL NEW CHILLER – BUILDING 1080 – OPERATIONS AND TRAINING FACILITY

STATEMENT OF WORK

PROJECT NUMBER: PJMS112880

MARYLAND AIR NATIONAL GUARD

MARTIN STATE AIRPORT

NATIONAL GUARD BASE

BALTIMORE, MARYLAND 21220

1 APRIL 2012

1. General Project Information:

1.1. Project Location and Background: Demo and remove an existing 50-Ton Carrier chiller and set new 50-Ton chiller on same pad, once existing 50-Ton Chiller is removed. This project is to take place along the south side of O&T Building 1080, Martin State Airport, Maryland Air National Guard, Baltimore, MD 21220.

1.2. Use of Premises:

1.2.1. Coordinate access to premises with Contracting Office Representative (COR) Major Walter Moddison at (410) 918-6537 for execution of work. Emergency situations, military operations, or other contingencies, may cause suspension of work or restrictions on access to the construction site. If military emergency operations require escorts, the Government will provide them to the Contractor at no cost.

1.2.2. The Contractor shall designate employees; the job superintendent and usually one other person, to sign a background check release form for base access. Once a background check has been completed with no negative findings, those employees will be granted escort privileges. This employee shall be responsible for escorting all employees that do not have badges, including subcontractors and delivery persons.

1.2.3. The COR will determine the equipment, material and other staging locations or work areas available under this contract.

1.2.4. Contractor shall assume full responsibility for protection and security of materials and equipment stored on site.

1.2.5. Contractor shall move any stored products, under their control, which interfere with operations of the Government.

1.3. Government Equipment: Contractor use of Government owned or leased equipment such as: hoists, forklifts, compressors, welding machines, cutting rigs, etc. shall not be permitted on either a reimbursable or non-reimbursable basis. Cost for all equipment required to accomplish the work shall be included in the Contractor’s final bid price.

1.4. Permits and Inspections:

1.5.1. Normally no permits or inspections by local building officials are required. All inspections and testing will be performed by COR unless modified by the Statement of Work.

1.5.2. Unless otherwise specified in other sections of this specification, the use of burning equipment or open flame welding and cutting shall be allowed only as authorized in writing by the local Fire Inspector (Facility 3150). Once approved by the Fire Inspector, a written AF Form 592 – USAF Welding, Cutting, and Brazing Permit – will be issued. The permit is normally given 24 hours after receipt of Contractor's request.

1.5.3. Digging permits are obtained from the Work Control Office (Facility 2100) at (410) 918-6300. The Contractor is responsible for contacting ‘Miss Utility’ to mark the gas and electrical lines. The Contractor is also responsible for hiring a private underground utility locating company to mark the water, sanitary sewer, storm sewer, broadband cable, and communications lines.

1.5.4. All inspections and testing will be performed by COR unless modified by the Statement of Work.

1.6. Change Orders: Only the Base Civil Engineer (BCE) or the Contractor may initiate change order requests. Do not proceed with any work until a signed modification or other written authority is received from the Contracting Officer. Only the Contracting Officer may approve a change order.

1.7. Field Changes: No changes in the cost or the scope of the project may be made without processing a change order. Field changes not involving cost or scope may be initiated by the BCE, COR, Contracting Officer or the Contractor.

1.8. Contractor Passes: Contractor’s Passes and ID cards for all Contractor personnel are required for access to the Base and construction site. All employees who will be driving on base must have a valid driver’s license, proof of vehicle insurance, vehicle registration and a vehicle pass. Vehicle Passes and Base ID cards can be obtained from the Security Forces (Facility 2020).

1.9. Daily Report and Sign-In Register: Each day the Contractor is on site to perform any work, the Superintendent/Foreman shall sign in at the Base Engineering Building (Facility 2100), indicating specific Facility/Location and the number of persons who shall be performing work that day.

1.10. Hours of Operations: The hours of operations at Martin State Airport for the Air National Guard are 10 hours per day (0630 – 1700) Tuesday – Friday. Coordinate access to premises with COR, for execution of work. Emergency situations, military operations, or other contingencies, may cause suspension of work or restrictions on access to the construction site.

1.11. Off-Hours Work: Except as otherwise specified, all work shall be performed during regular work hours (indicated above). If the Contractor desires or is required to work on Mondays, Saturdays, Sundays, Holidays or other hours outside normal work schedule, the Contractor shall be required to seek written approval from the BCE. The Contractor is not entitled to premium time if the request is approved.

1.12. Clean up: The work site is an active civilian and military airport. Site cleanliness and Foreign Object Debris (FOD) control is essential. The Contractor will clean up all construction debris and refuse and will remove it from the work site and the Base daily at their own expense.

1.13. Safety: The Contractor is responsible for performing all work In Accordance With (IAW) State and Federal OSHA requirements as well as compliance with the most current USACE EM 385-1-1. This is available at http://140.194.76.129/publications/eng-manuals/em385-1-1/2008_English/toc.html.

1.14. Environmental Protection and Waste Disposal: The Contractor shall, at their own expense, remove all sludge, dusts and debris from the property of the Martin State Airport Air National Guard Base which have resulted from specific work described in Paragraph 2 of these specifications. The disposal of all such materials, which may include hazardous or toxic liquids that are used to perform the work, shall conform to all Federal, State, and Local environmental regulations with regards to both transportation and ultimate disposal. This project must comply with all Federal, State, and Local environmental regulations. All dumpster service and waste management shall be provided at no additional cost to the Government. All recyclable metal shall be placed into Martin State Airport scrap metal recycling containers. Please contact the Base Environmental Engineer Lt Col Peter Loebach at (410) 918-6486 for detailed information.

1.15. Hazardous Materials: If suspected hazardous materials are discovered, do not disturb, and contact the COR.

1.16. Drawings: Drawings furnished by the government to the Contractor may be used for general information only and shall not be relied upon or used as the basis for preparation of contract drawings required by this contract without complete on-site verification by the Contractor.

2. Specific Project Information:

2.1. References and Standards: All materials, installation and workmanship shall comply with the applicable requirements and standards addressed within the following references:

a. Conform to ANSI/ASME Boilers and Pressure Vessels Code Section VIII, Division 1 for design and fabrication of pressure vessels for manufacture of tubular heat exchangers and heat exchanger shells as applicable.

b. ARI Standard 210/240 – 210/240-03 Unitary Air Conditioning and Air-Source Heat Pump Equipment.

c. ARI 370 – Sound Rating of Large Outdoor Refrigerating and Air Conditioning Equipment.

d. ARI 495 – Refrigerant Receivers.

e. ARI 550/590 – Standard for Water Chiller Packages Using Vapor Compression.

f. ASTM C 534 – Preformed, Flexible Elastomeric Cellular Thermal Insulation in Sheet and Tubular Form.

g. NEME 250 – Enclosures for Electrical Equipment.

h. ANSI/ASHRAE Standard 15 – Safety Code for Mechanical Refrigeration.

i. ANSI/ASHRAE Standard 90.1 – Energy Standard for Buildings Except Low-Rise Residential Buildings.

j. UFC Standard 3-410-01FA

2.2. Site Visit: A site visit is mandatory and shall be coordinated by contacting the COR.

2.3. Cost Proposal: Provide a detailed cost proposal indicating costs and breakdown for:

2.3.1. Demo and remove one 50-Ton Carrier chiller.

2.3.2. Set new 50-Ton chiller.

2.3.3. Perform all work required to install new 50-Ton chiller with the required components, including all related appurtenances to make a complete, functioning and operational system that will supply chilled water for HVAC purposes.

2.4. Description of Work: The Contractor shall describe in his or her proposal how they will manage the project. The Contractor shall identify key staff and their abilities to manage projects of this magnitude, including scheduling methods, reporting and execution.

2.5. Construction Performance Period: The Contractor shall identify the proposed construction performance period. The proposed performance period will be included in the Cost Proposal.

2.6. Meetings: A Preconstruction Meeting will be required post award and prior to construction. Weekly progress meetings will also be required.

2.7. Sundry Elements: Any material, devices or services not specifically mentioned or indicated in this specification that are reasonably required for a complete, finished and first class operating installation, shall be provided by the Contractor at no additional cost to the owner. The work shall be installed in accordance with this specification and best industry practices.

2.8. Conceptual Requirements: Perform all Work required to provide and install air cooled This project will require the installation of a new high efficiency 50-Ton air-cooled chiller including the supply and installation of all required electrical (conduit, connectors, wiring, etc.), chiller water piping, piping hangers and anchors, and new insulation on the supplied necessary piping.

Contractor is to provide submittals of the proposed 50-Ton air-cooled chiller to include all ancillary devices and those materials to be installed that are covered by warranty, for COR approval.

2.9. Detailed Requirements – Replace 50-Ton Carrier Chiller with New High-Efficiency 50-Ton Air-Cooled Chiller:

2.9.1. Demo and remove one 50-Ton Carrier chiller.

2.9.2. Demo and remove electrical and piping.

2.9.3. Recover refrigerant per ASHRAE standards.

2.9.4. Provide crane as required.

2.9.5. Set new 50-Ton chiller.

2.9.6. Sound attenuator package should be installed as part of chiller installation.

2.9.7. Supply and install Refrigerant – R410A or equal.

2.9.8. Unit voltage required – 208 volt, 3 phases.

2.9.9. Unit hertz required – 60 hertz single point power.

2.9.10. Supply and install required electrical.

2.9.11. Supply and install required chiller water piping.

2.9.12. Supply and install piping hangers and anchors.

2.9.13. Supply and install new insulation on piping supplied.

2.9.14. Supply and install glycol solution for chilled water loop.

2.9.15. Hazardous material identification, abatement and/or removal is excluded from this scope of work.

2.9.16. Start-up and Demonstration:

2.9.16.1. Provide at least 4 hours of manufacturer’s representatives time for start-up and initial operation. Make a final check of entire operating system with COR and Base maintenance personnel present, immediately before date of Substantial Completion.

2.9.16.2. Instruct Base maintenance personnel in proper use, operations, and daily maintenance of new 50-Ton chiller and ancillary devices.

2.9.16.3. Train Base maintenance personnel in normal procedures to be followed in checking for sources of damage or operational failures or malfunctions.

2.9.17. Log system operation.

2.9.18. Qualifications:

2.9.18.1. Manufacturer Qualifications: Minimum 3 years documented experience producing systems specified above.

2.9.18.2. Installer Qualifications: An experienced installer who has completed large chiller installations similar in material, design, and extent indicated for this project and whose work has resulted in construction with a record of successful in-service performance.

2.9.19. Standard Warranty: Provide manufacturer’s standard 3-year warranty against defective materials and workmanship, to start after Date of Substantial Completion.

2.10. Cutting and Patching Proposal: Submit a proposal describing procedures at least 7 days before the time cutting and patching will be performed, requesting approval to proceed.

2.1.1. Cut in-place construction to provide for installation of other components or performance of other construction, and subsequently patch as required to restore surfaces to their original condition.

2.1.2. Use materials identical to in-place materials. For exposed surfaces, use materials that visually match in-place adjacent surfaces to the fullest extent possible.

2.2. Quality Control: The Contractor shall establish and maintain quality control to assure compliance with contract requirements and shall maintain records of his quality control for all construction operations required under this section. A copy of these records, as well as the records of corrective action taken, shall be furnished to the Government.

2.3. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions:

2.3.1. Notify the COR prior to arranging with Baltimore Gas and Electric (BG&E) to shut off and turn on electrical and/or natural gas utilities. Notify the COR not less than 7 days in advance of proposed utility interruptions. The Government will be responsible for all BG&E connection fees.

2.3.2. Do not proceed with utility interruptions without the COR’s written permission.

3. Submittals:

3.1. Shop Drawings: Provide drawings required to show the systems involved and clearly show the extent, type and detailed requirements of the work for approval by the COR prior to construction. Submit 4 sets of all drawings; 1 set for BCE, 1 set for Contracting, and 2 sets will be returned to the Contractor. Drawings shall include but not be limited to:

3.1.1. Typical chiller details.

3.1.2. Submit plans, elevations, and details indicating materials, methods, finishes and types of hangers, anchors and accessory items for the new air-cooled chiller.

3.2. Product Information: Provide all material submittals utilizing AF IMT 3000, Material Approval Submittal available at http://www.usmilitarycontracting.com/uploads/Attach_6.pdf for approval by the COR prior to construction. Submit 4 sets of all AF IMT 3000 with attachments; 1 set for BCE, 1 set for Contracting, and 2 sets will be returned to the Contractor. Provide the following product information for approval by the COR prior to construction:

3.2.1. Provide Manufacturer’s literature (including specs, shop drawings, etc.) for all components – chiller/compressor/condenser/evaporator, etc.

4. Prescriptions/Clauses:

4.1. Wage Determination: Currently, General Decision Number MD120068 04/06/2012 MD68 is applicable to this task order. However, the current prevailing Wage Determination will be incorporated at time of award.

4.2. Performance and Payment Bonds: In accordance with Contract Clause 52.228-15, Contractors are reminded that any award over $25,000 shall require Payment Bonds and awards exceeding $150,000 shall require both Payment and Performance Bonds. All bonds are due no later than 10 days after award.

4.3. Construction: (X) YES or ( ) NO, reference Contract Clause 52.246-21, Warranty of Construction Clause is applicable to this task order.

4.4. Proposal Due Date: All offers are due at the Base Contracting Office (Facility 2060).

5. Attachments:

5.1 Statement of Work Attachments: Photos, Project Location Plan, Site Plan, and UFC 3-410-01FA.

1- 50-TON CARRIER CHILLER TO BE REPLACED 2- CHILLER TO BE REPLACED IN FOREGROUND/

3- VIEW (LOOKING NW) OF 50-TON CHILLER TO 4- BOILER ROOM ENTRANCE DOOR ADJACENT TO

BE REMOVED FROM ACROSS THE STREET: CHILLER TO BE ROMOVED

PROVIDES AN UNDERSTANDING OF SIZE OF

WORK AREA

5- SUPPLY AND RETURN CHILLED WATER LINES 6- SUPPLY AND RETURN CHILLED WATER LINES

7- ELECTRICAL CONDUIT OUTSIDE BUILDING 1080 8-ELECTRICAL CONDUIT INSIDE BOILER RM/1080

9- PIPING INSIDE BOILER ROOM AND WALL EXIT 10- ELECTRICAL PANEL INSIDE BOILER ROOM

11- COMPLETE PICTURE OF PIPING INSIDE BOILER 12- PUMP INSIDE BOILER ROOM

ROOM

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