Maintenance_Shop_SOW_Rev_62915.docx

Statement of Work Maintenance Shop Roof and Furnace Replacement Fort Union Trading Post NHS

PROJECT DESCRIPTION

This project will involve the tear off and replacement of the metal roof and underlying insulation at the Fort Union Trading Post maintenance shop. Along with this will be the removal and replacement of the maintenance shop primary heating system.

SCOPE OF WORK:

Remove and replace architectural panel roofing. Sheets are to be corresponding length as those removed with no mid span lapping to correct for short sheets.

METAL ROOF PANELS

Mechanically-seamed, Concealed Fastener, Metal Roof Panels: Structural metal roof panel consisting of formed metal sheet with vertical ribs at panel edges, installed by lapping and mechanically interlocking edges of adjacent panels, and attaching panels to supports using concealed clips and fasteners in a weather tight installation.

Basis of Design: MBCI, BattenLok HS or approved equal.

Aluminum-Zinc Alloy-Coated Steel Sheet.

Nominal Coated Thickness: 24 gage Panel Surface: Smooth Exterior Finish: Fluoropolymer two-coat system Color: As selected by COR from manufacturer's standard colors

METAL ROOF PANEL ACCESSORIES

General: Provide complete metal roof panel assembly incorporating trim, copings, fasciae, gutters and downspouts, and miscellaneous flashings, in manufacturer's standard profiles. Provide required fasteners, closure strips, thermal spacers, splice plates, support plates, and sealants as indicated in manufacturer's written instructions.

Flashing and Trim: Match material, thickness, and finish of metal panel face sheet.

Panel Clips: Provide panel clip of type specified and install per manufacturers installation instructions.

Two-piece Floating: ASTM C 645, with ASTM A 653/A 653M, G90 (Z180) hot-dip galvanized zinc coating, configured for concealment in panel joints, and identical to clips utilized in tests demonstrating compliance with performance requirements.

or Single-Piece Fixed: ASTM A 653/A 653M, G90 (Z180) hot-dip galvanized zinc coating, configured for concealment in panel joints, and identical to clips utilized in tests demonstrating compliance with performance requirements.

Panel Fasteners: Self-tapping screws and other acceptable corrosion-resistant fasteners recommended by roof panel manufacturer. Where exposed fasteners cannot be avoided, supply fasteners with EPDM or neoprene gaskets, with heads matching color of metal panels by means of factory-applied coating.

Joint Sealers: Shall be recommended by metal roof manufacturer and approved by customer. All roof penetrations will be tested for leaks and any area gutters will be sealed at all joints with a sealant that has an expected service life of 30 years.

Snow Guards: Shall be recommended by metal roof manufacturer and approved by customer.

Replace roof jacks for all roof penetrations with new.

2.1 REMOVE AND REPLACE SHOP HEATING SYSTEMS

A. Remove existing CORAYVAC Infrared Heating system and thermostatic controls and replace with equal or better.

B. Adapt LPG piping for supply of new units C. Units to be 100,000 BTU or greater D. Must be able to utilize Liquid Propane Gas as fuel source E. AFUE Efficiency 95% or greater F. BTU Output range 30000-128000 G. 20 Amp overcurrent protection H. Air Volume Range – CFM 554-2125 I. Vent units to exterior as required by Manufacturer

3.1 REMOVE AND REPLACE EXISTING ROOF INSULATION

· Underlying insulation blanket rolls will be removed and replaced with superior grade insulation totaling R-25 or better. Insulation does not have to be blanket style but does need approval by CO and COTR.

· ICC

· Follow all local and State Building Codes

· Material Standards:

· ASTM C665, Type I

· ASTM C991, Type I Fire Resistance

· Fire Hazard Classification:

· UL 723, ASTM E84, NFPA 255

· Max. Flame Spread Index: 25

· Max. Smoke Developed Index: 50

· Noncombustability:

· ASTM E136 / Meets requirements

· Physical/Chemical Properties

· Thermal Performance:

· ASTM C518, ASTM C177 / See table on other side

· Moisture Absorption:

· ASTM C665 / Not greater than 0.2% by

· volume or by weight

· Corrosiveness:

· ASTM C665 / Meets requirements

· Fungi Resistance:

· ASTM C1338 / Meets requirements

· Odor Emission:

· ASTM C1304 / Meets requirements

3.2 Contractor does not have to use any particular style of insulation to achieve R rating but selected material must be approved by CO and COTR.

PROJECT LOCATION

The work will conducted on the maintenance shop building, located at 15476 Hwy 1804 Williston, ND. 58801.

I. WORK COORDINATION:

A. GENERAL: The project performance period shall be 60 days from issuance of the Notice to Proceed. The contractor shall coordinate all work schedules with the CO and the Contracting Officers Representative (COR)/Inspector prior to the start of the work. Notify the Contracting Officer or the COR two days prior to moving onto the work-site to commence work. You must provide notification the day you move back to the work-site after an interruption of work of two or more work days. There shall be a pre-construction meeting held before initiating any work. The contractor shall meet with the CO and COR and discuss: a sequence of procedures; a means of access to premises and buildings; placement of dumpsters and haul routes; delivery of materials, communications; the location of partitions and barriers; eating spaces, restroom for contractor’s employees; and any other incidentals to the project.

Roof sheeting and insulation will only be removed as it can be replaced on a daily basis to guard against exposure to inclimate weather.

Interruption of Work: When work begins this project will be the priority of the contractor. Delays due to other project schedules will not be acceptable. If it becomes necessary to interrupt work activities in buildings and/or areas for construction purposes (excluding those otherwise described/agreed), the Contractor shall request permission, in writing, from the CO, or designated representative(s), two (2) working days in advance.

Temporary construction: Any contractor installed temporary construction intended to prevent interruption of normal work activity or loss of utility services is subject to approval of the CO and or COR.

B. PROJECT SUPERVISOR: Contractor to employ a full-time supervisor who has been in the trade for at least 5 years for this project. The supervisor’s duties shall include the overall management of the project, coordination of the sub-contractors work, and liaison with the Contracting Officer and the COR/Inspector. No work shall be performed without the presence of the supervisor or a competent representative on the job-site. A competent representative is as defined by the Occupational Safety and Health Administration (OSHA) Standards.

C. 24-HOUR POINT OF CONTACT: Provide the Contracting Officer with a 24-hour number or numbers where his authorized representative can be contacted at any time day or night. This number should be provided at the notice of contract award, but not later than the first day of contract work at the site.

D. CONTRACTOR’S OFFICE SPACE: Office space required for the Contractor’s operation shall be the responsibility of the Contractor.

E. CONTRACTOR’S STORAGE AREA: Contractor will be allowed to have one storage trailer at the construction site. The location must be approved by the Contracting Officers Representative. All other trailers, storage, and equipment will be stored at a site designated by the COR. The government is not responsible for damages or losses.

F. SITE AND STORAGE AREA MAINTENANCE: Contractor will be responsible for general maintenance of construction site and storage area(s) on a daily basis. This includes, but not limited to, cleaning, safety checks and disposal of trash and debris.

G. NOISY OPERATIONS: Contractor shall not play loud music at job site or use profane language.

H. OCCUPANCY: The park staff will continue to occupy the building and carry on normal activity. Each Contractor shall protect the occupied areas from dust, smoke, etc., by a method reviewed by the Contracting Officers Representative.

I. PATCHING AND REPAIRING: After the work has been completed, any contractor caused damages to Government-owned structures, facilities, streets, curbs, walks, lawns, etc., shall be properly patched, repaired, or replaced to the complete satisfaction of the Contracting Officer or COR. Any holes, cuts, breakages, and damages made in finished surfaces of the area in which work has been accomplished, shall be properly repaired and the disfigured areas then painted over or otherwise repaired and resurfaced to match the existing finishes to the complete satisfaction of the Contracting Officer/COR.

J. DISPOSITION OF REMOVED GOVERNMENT PROPERTY: All materials and equipment to be removed by the contractor and not reinstalled or recycled under this contract, including debris generated by this project, shall be removed at regular intervals from the site and disposed of off-site by the contractor. Recycling of debris is encouraged. Disposal of materials shall be in conformance with applicable Federal, state, and local pollution regulations at the contractor’s expense.

K. FINAL CLEANUP: Upon completion of the project, all equipment and debris will be removed from the site(s) and the site left in an acceptable condition approved by the COR.

II. PERMITS:

A. GENERAL: Contractor is required to investigate, submit for any permits necessary for the construction of this project. All permit applications shall be submitted to the Contracting Officer Representative. The Contractor shall pay all permit fees. It is the responsibility of the contractor to obtain all required permits for any construction.

III. UTILITIES AND SERVICES: Utilities shall be provided to the contractor.

A. UTILITY SERVICE INTERRUPTIONS: The contractor shall submit written notification not less than 1 work day in advance for each planned interruption of a utility service. No single interruption shall exceed eight hours. Utility service interruptions shall not be permitted unless approved by the Contracting Officer. Service interruptions shall be accomplished at other than normal work hours if feasible.

B. ENABLING/DISABLING FIRE ALARMS PANELS: Notify Contracting Officer or COR.

IV. MAINTENANCE INFORMATION:

A. OPERATIONS AND MAINTENANCE MANUALS: The Contractor shall provide the Contracting Officers Representative with two copies of operation and maintenance instruction manuals. Manuals shall contain complete instructions on operating and maintaining the equipment, including piping and wiring diagrams. The manual shall be assembled in book form having a cover indicating the contents by equipment or system name and project title. Manuals shall be submitted a minimum of three work days before the Contractor conducts the on-site operation and maintenance instruction.

B. SPARE PARTS LIST: Where required by the other parts of the specifications, the Contractor shall provide the Contracting Officers Representative the specified number of copies of spare parts lists. The lists shall provide the supply source, item description and price of all parts and shall be cross referenced to equipment diagrams or pictures. Spare parts lists shall be assembled in book form and may be separate from or integral with the operation and maintenance instruction manuals. Spare parts lists shall be submitted with the related instruction manuals.

C. ON-SITE INSTRUCTION: Prior to final inspection, the contractor shall provide the services of a factory certified personal where required by other parts of the specification, to instruct government personnel in the proper operation and maintenance of newly installed systems and equipment. The instruction shall be in accordance with the procedures and methods recommended by the equipment manufacturer. The Contractor shall schedule the on-site instruction with the Contracting Officers Representative, but such instruction shall not occur until three days after the receipt of operation and maintenance instruction manuals.

D. WARRANTY ITEMS:

1. In addition to any other warranties in this contract, the Contractor warrants, that work performed under this contract conforms to the contract requirements and is free of any defect in equipment, material, or design furnished, or workmanship performed by the Contractor or any subcontractor or supplier at any tier.

2. This warranty shall continue for a period of 1 year from the date of final acceptance of the work. If the Government takes possession of any part of the work before final acceptance, this warranty shall continue for a period of 1 year from the date the Government takes possession.

3. The Contractor shall remedy at the Contractor’s expense any failure to conform, or any defect. In addition, the Contractor shall remedy at the Contractor’s expense any damage to Government-owned or controlled real or personal property, when that damage is the result of:

(a) The Contractor’s failure to conform to contract requirements; or

(b) Any defect of equipment, material, workmanship, or design furnished.

4. The Contractor shall restore any work damaged in fulfilling the terms and conditions of this clause. The Contractor’s warranty with respect to work repaired or replaced will run for 1 year from the date of repair or replacement.

5. The Contracting Officer shall notify the Contractor, in writing, within a reasonable time after the discovery of any failure, defect, or damage. There shall be a maximum 24-hour response time by the Contractor on all warranty items installed under this contract and identified as either malfunctioning or inoperative after acceptance of the item. The Contractor shall notify both the Contracting Officer or his designated representative and the Inspector of the date, place, and time that the contractor will be on location to determine the cause of the problem. Response time shall be defined as the time from when the Contracting Officer contacts the Contractor until the time the Contractor is present at the location of the equipment with the appropriate personnel to determine the problem and what is necessary to correct the problem. Warranty items shall be defined as all equipment, components, appurtenances, and wiring installed and the labor and materials necessary to install said items.

6. If the Contractor fails to remedy any failure, defect, or damage within five working days after receipt of notice, the Government shall have the right to replace, repair, or otherwise remedy the failure, defect, or damage at the Contractor’s expense.

7. With respect to all warranties, express or implied, from subcontractors, manufacturers, or suppliers for work performed and materials furnished under this contract, the Contractor shall:

(a) Obtain all warranties that would be given in normal commercial practice;

(b) Require all warranties to be executed, in writing, for the benefit of the Government, if directed by the Contracting Officer; and

(c) Enforce all warranties for the benefit of the Government, if directed by the Contracting Officer.

8. In the event the Contractor’s warranty under paragraph (b) of this clause has expired, the Government may bring suit at its expense to enforce a subcontractor’s, manufacturers, or supplier’s warranty.

9. Unless a defect is caused by the negligence of the Contractor or subcontractor or supplier at any tier, the Contractor shall not be liable for the repair of any defects of material or design furnished neither by the Government nor for the repair of any damage that result from any defect in Government-furnished material or design.

10. This warranty shall not limit the Government’s rights under the Inspection and Acceptance clause of this contract with respect to latent defects, gross mistakes, or fraud.

E. SHORING AND SAFETY: All safety practices must be followed under OSHA requirements.

F. SUBSTITUTION OF MATERIALS AND EQUIPMENT: The Contractor shall submit plans and informational data and component equivalent information if the Contractor proposes a piece of equipment and/or accessories on other than that specified. Drawings shall show all piping, electrical connections, sizes of equipment, location of piping, and electrical penetrations, and all other associated equipment and materials. The Contracting Officer reserves the right to reject or accept any or all of the proposed changes based on completeness, clarity, and other requirements of the plans and specifications. When the Contractor requests approval of substitute materials and/or equipment, it shall be understood and agreed that such substitution, if approved, will be made without cost to the government, regardless of changes in connections, spacing, electrical service, and all other appurtenances.

G. BRAND NAMES: References in specifications to any brand name equipment or materials shall be regarded as establishing a standard of quality and shall not be construed as limiting competition. The Contractor may submit proposed equal equipment and/or materials for government consideration during the submittal process of the contract after award.

H. ENVIRONMENTAL WORK: All safety practices must be followed under OSHA requirements

I. PRODUCTS NOT ALLOWED: Materials containing asbestos and the use of lead based materials as well as any other known hazards are prohibited.

J. OZONE DEPLETING CHEMICALS: Not allowed

K. RECYCLE: The contractor shall attempt to recycle materials as is practicable.

L. BACK FLOW PREVENTION DEVICES: Required

M. ENVIRONMENTAL MANAGEMENT SYSTEM: Contractors will reduce environmental risks, promote pollution prevention, and meet all regulatory requirements during the execution and completion of the contract.

END OF SECTION

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