Z--ADMINISTRATION BUILDING ROOF RESHINGLE

RESHINGLE ADMINISTRATION BUILDING ROOF FOR THE US ARMY CORPS OF ENGINEERS, GAVINS POINT PROJECT, LOCATED NEAR YANKTON SD. QUESTIONS CONTACT DAVID A. BECKER, CO, @ +1 (555) 000-0000. SCOPE OF WORK: 1. SCOPE OF WORK: Contractor shall be responsible for all labor and material required to remove the existing 5800 SF of Cedar Shake roofing material and properly dispose of such material. Replace that material with a stone coated metal roof shake (Shake XD no exposed fasteners) better than or equal to the DECRA Roofing System. All work shall be completed as per the enclosed drawings and specifications. Contractor will also be responsible for the removal of the existing gutters and downspouts and replaced with 6 .032 gauge aluminum seamless gutters and 3 in X 4 in downspouts, brown in color. 2. BEST VALUE: Award to the successful contractor shall be based on Best Value rather than low bid per FAR regulation 52.212-2 EVALUATION (JAN1999).The bids will be based on the following factors: a. Past experience of similar work b. Contractor supplied materials and equipment. c. Time for completion of contract. d. Price. Items a, b, and c when combined, are significantly more important than price. 3. COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK: The Contractor will be required to commence work under this contract on the date of receipt by him of Notice to Proceed, to prosecute said work diligently and to complete the entire work with in 30 days. The time stated for completion shall include final cleanup of the premises. 4. CONTRACT DRAWINGS AND SPECIFICATIONS: Omissions from the drawings or specifications or the misdescription of details of work which are manifestly necessary to carry out the intent of the drawings and specifications, or which are customarily performed, shall not relieve the Contractor from performing such omitted or misdescribed details of the work but they shall be performed as if fully and correctly set forth and described in the drawing and specifications. The Contractor shall check all drawings furnished him immediately upon their receipt and shall promptly notify the Contracting Officer of any discrepancies. 5. SITE VISIT: Offerors or quoters are urged and expected to inspect the site where the work will be performed. 6. APPROVAL OF MATERIALS: The Contracting Officers Representative shall approve all materials before being used in subject contract. 7. SPECIAL REQUIREMENTS: Improper submittal of items listed in line 2. Best Value and incomplete paper work required on the Request For Quotations section will be viewed as an incomplete submission and will not be considered for award. 8. TAXES Nebraska. 8.1. NEBRASKA SALES AND EXCISE TAX. Materials installed under this contract are not exempt and the tax must be included in the amount bid. Telephone: +1 (555) 000-0000 (Department of Revenue-Omaha). 9. PROTECTION OF EXISTING FACILITIES: Contractor shall be responsible for protection of the building from any damage that may occur to the building during the construction. Any damage done to the building due to the construction shall be repaired at the cost of the contractor. 10. ENVIRONMENTAL PROTECTION: In order to prevent, and to provide for abatement and control of any environmental pollution arising from the construction activities in the performance of this contract, the Contractor and his sub contractors shall comply with all applicable federal, state and local laws and regulations concerning environmental pollution control and abatement. a. Notification: The Contracting Officer will notify the Contractor in writing of any non compliance with the aforementioned federal, state or local laws or regulations. Such notice, when delivered to the Contractor or his authorized representative at the site of the work, shall be deemed sufficient for the purpose. The Contractor shall, after receipt of such notice, immediately inform the Contracting Officer of proposed corrective action and take such action as may be approved. If the Contractor fails or refuses to comply promptly, the contracting Officer may issue an order stopping all or part of the work until satisfactory corrective action has been taken. The Contractor shall make the subject of a claim for extension of time or no part of the time lost due to any such stop orders for excess costs or damages. 11. SAFETY REQUIREMENTS: The Contractor shall ensure that safe working practices are utilized and that all equipment meets the requirements of the US Army Corps of Engineers, Safety and Health Requirements Manual, EM 385 1 1, September 1996, before work begins. A copy of the above manual is available at the Gavins Point Dam Project Office, Yankton, South Dakota. a. Ground Fault Circuit Interrupters: In addition to the requirements of paragraph 11.C.05 of EM 385 1 1, ground fault circuit interrupters are required for all extension cord systems. b. First Aid and Medical: First aid facilities shall be made available on the job site. Arrangements for emergency medical attention shall be made prior to start of work. All emergency numbers (doctor, hospital, ambulance, fire department) shall be posted, or made available at the work site. 12. HOUSEKEEPING: Daily clean up of all debris and waste materials are required. Adequate disposal containers shall be placed strategically around the site. Debris shall be removed on a regular basis. 13. AVAILABILITY AND USE OF UTILITY SERVICES: Use of public and private utilities will be as found available. The Contractor shall make his own arrangements for use of public and private utilities. 14. WORK AND MATERIALS GUARANTEE: The Contractor will guarantee materials for one year from the date the Government assumes use of the equipment or materials. 15. PAYMENT: Payment for subject work will be for entire work complete in conformance with this specification and drawings, and paid within 30 days of acceptance by the Government and receipt of a proper invoice. SECTION 07314 STONE COATED METAL ROOF SHAKE XD PART 1 GENERAL 1.1 SUMMARY A. Related Documents: Provisions established within General and Supplementary Conditions of the Contract, Division 1 - General Requirements, and the Drawings are collectively applicable to these Section. B. Section includes: Formed metal roofing panels with colored stone chip finish. C. Associated metal flashings. D. Related Sections: 1. Section383945 Rough Carpentry for framing and sheathing. 1.2 SUBMITTALS A. Submit under provisions of Section 01300 B. Product Data: Include construction details, material descriptions, dimensions of individual components and profiles, finishes, fasteners, accessories, and manufacturers written installation instructions. C. Samples for Initial Selection: Manufacturers colors, textures, and patterns available for each type of Shake indicated. 1.3 QUALITY ASSURANCE A. Regulatory Requirements: 1. Conform to applicable building code for roof assembly fire hazard requirements. 2. Conform to building code for minimum wind uplift resistance. 1.4 REFERENCES A. Fire Test-Response Characteristics; Provide Shake XD with fire-test-response characteristics indicated, as determined per test method ASTM E 108 Test for Fire Resistance of Roof Covering Materials, for application and slopes indicated. 1. Fire Test Exposure: Class A. B. ASTM A792/A792M: Sheet Steel, Aluminum-Zinc Alloy Coated by the Hot Dip Process, Structural (physical) Quality. C. UL 1897 and UL 580: Wind Uplift Resistance of Roof Assemblies. D. ASTM C920: Specification for Elastomeric Joint Sealants. E. Impact Resistance: UL 2218, Class 4. F. Appraisal Certificates: 1. International Code Council, Wittier California, Report Nos. ICC Legacy Report ER-4361 (UBC), EST-1753 (IBC), ESR-1754 (IBC). 2. Underwriters Laboratories, Inc., Northbrook, Illinois, USA File No. R14710. 3. Canadian Construction Materials Center, Ottawa, Ontario, CCMC#10241-R, Issued 1983 re-evaluated 2002-06-21 1.5 DELIVERY, STORAGE, AND HANDLING A. Store and handle roofing materials to ensure dryness. Store in a dry, well-ventilated, weather tight place. Protect from corrosion, staining and traffic and wind damage. 1.6 WARRANTY A. Manufacturing Warranty: Written, transferable, limited warranty provided by Roofing Manufacturer, covering manufacturing defects/excessive granule loss. Refer to warranty for specifics. 1. Warranty Period: 50 years from date of Substantial Completion. 2. Wind Warranty: 120 mph winds, full warranty period. 3. Hail Penetration: full warranty period. PART 2- PRODUCTS 2.1 MANUFACTURER A. Better than or equal to the DECRA Roofing Systems, 1230 Railroad Street, Corona, CA 92882 (+1 (555) 000-0000), (+1 (555) 000-0000 FAX). 2.2 MATERIALS A. Metal Shake XD: Shake interlocking panels resembling traditional roofing shakes. 1. Material: Pre-corrugated, pressure formed, Aluminum-Zinc Alloy Coated Steel with seven individual shake pans. 2. Finish: Ceramic Coated, colored stone chip finish. 3. Thickness: 26 Gage, .0179 inches 4. Size: 14-1/2 wide by 52-1/8 long 5. Exposure: 12-3/8 wide by 49-7/8 long 6. Weight: 150 pounds per square. 7. Color: (Antique Chestnut) (Pinnacle Grey) B. Flashing: 1. Valley Shake XD 26 Gage, .0179, Aluminum-Zinc Alloy Coated Steel sheet. Pressure formed into a valley with a stone coated valley cap. Finish: Match upper exposed stone coated surface of the valley cap to the roofing material color. 2. Fascia Metal: Shake XD Starter Clip with Drip Edge, Aluminum Zinc Alloy Coated Steel Sheet, 26 gage, .0179 3. Rake / Gable Channel: Shake XD, Rake/Gable Channel, Aluminum-Zinc Alloy Coated Steel Sheet, 26 gage, .0179 4. Short Course Clip: Shake XD Short Course Clip, Aluminum-Zinc Alloy Coated Steel Sheet, 26 gage, .0179. Pressure formed for use with starting a short course or when XD Starter Clip with Drip Edge will not conform to existing eave/fascia. 5. Side Flashing: Aluminum-Zinc Alloy Coated Steel sheet, 26 Gage, .0179, pressure formed to flash vertical roof surface transition. Finish: Ceramic coated colored stone chip finish to match roofing material. 6. Pipe Jack Flashing: 26 gage, .0179 galvanized or Aluminum-Zinc Alloy Coated Steel, clean, prime and paint to match roof material. 7. Underpans Shake: Aluminum-Zinc Alloy Coated Steel Sheet, 26 Gauge, .0179, pressure formed to counter flash roof penetrations matching shake material profile. 8. Roof-to-Wall Flashing: Shake XD Channel Aluminum-Zinc Alloy Coated Steel Sheet, 26 gage, .0179. Pressure formed to flash vertical roof surface transitions. Finish: Paint to match roofing material. C. Hip & Ridge: Shake Ridge and hip covers and XD Channel, matching shake material, color, and finish. 1. Hips / Ridges: Shake Hip & Ridge Aluminum-Zinc Alloy Coated Steel Sheet, 26 gage, .0179 Pressure formed to match roofing material, color, and finish to be applied along hips and ridges. 2. Roof to Wall Flashing: Shake XD Aluminum-zinc coated steel sheet, 26 Gauge, .0179 inches, pressure formed angle installed at first batten to cover build up. Finish: Paint to match exterior finish. 3. Fasteners: Corrosion Resistant Screws Minimum No. 8, of sufficient length to penetrate inch minimum, color coordinated to match the panels. 2.3 ACCESSORIES A. Sheet Metal Materials: Aluminum- Zinc Alloy Coated Steel sheet: ASTM A792/A 792M, Class AZ50 coating designation; minimum grade 37. B. Felt Underlayment: ASTM D 226, Type II, No. 30 unperforated asphalt-saturated organic felt. C. Perimeter Underlayment: ASTM D 1970; self-adhering, polymer-modified, bituminous sheet underlayment; 40 mils thick. Provide primer when recommended by underlayment manufacturer. D. Sealant: One-part elastomeric polyurethane, sealant as recommended in writing by the Shake XD manufacturer. Where sealant will be exposed, provide in color to match panels. 1. Standard: ASTM C920-86. E. Fasteners: Corrosion Resistant Screws Minimum No. 8, of sufficient length to penetrate substrate minimum, black or color coordinated to match the panels. 3.1 EXAMINATION A. Examine substrate and conditions for compliance with requirements for maximum moisture content, soundness of framing, and other conditions affecting performance of Metal Roofing. (Damaged, rotted or loose roofing materials shall be removed and the substrate corrected for re-roofing applications).This particular roof should be in excellent condition, roof is 18 years old. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 PREPARATION A. Clean substrate of any projections and substances detrimental to metal panel roofing. Cover knotholes or other minor voids in substrate with sheet metal flashing secured with roofing nails. B. Coordinate installation of metal panels with flashing and other adjoining work to ensure proper sequencing. Do not install roofing until vent stacks and other penetrations through roofing have been installed, are securely fastened and flashing is in place. C. Inspect and verify exterior stucco and EIFS wall enclosures are completed. 3.3 INSTALLATION A. General: Comply with manufacturers written instructions for products and applications indicated, unless more stringent requirements apply. B. Underlayment: Apply number of plies required by governing code, but at least one ply, with each ply overlapping ply below a minimum 6 inch and ends lapped at least 18 inch 1. Omit felt underlayment at areas of perimeter underlayment. Lap felt underlayment over perimeter underlayment as recommended by manufacturer, but not less than 2inch. C. Perimeter Underlayment: Apply minimum 245 inch wide layer of perimeter underlayment along entire perimeter of surface to receive metal shakes, including at eaves, ridges, edges, hips, valleys, skylights, dormers, and around projections through roof. Extend perimeter underlayment a minimum of 36 inch inside exterior wall line at edges. D. Valleys: Install in accordance with manufacturers instructions with a minimum 6 inch overlap in direction of flow. E. Flashing: Install as indicated on approved submittals and in accordance with manufacturers written instructions. F. Shake XD Panels: Install Metal Shake XD, accessories, flashing, and hip & ridge level and plumb. Use fasteners per above specifications. 1. Install each Shake XD Panel left to right in accordance with manufacturers instructions. Do not create a pattern. 2. The right side of each panel must be pushed into position to engage the Side-Lap locking mechanism. 3. Fasten each panel with minimum (5) fasteners horizontally along the back flange of each panel at pre-punched tabs. Review manufacturers instructions for fastener placement. 4. First course of panels positioned at eave will clip into XD Starter Clip with Drip Edge. G. Cut Metal panels into each side of valleys in accordance with the manufacturers instructions straight and true to the line of the valley. H. Hip & Ridge: Install Hip & Ridge along hips, ridges and rakes as indicated on approved submittals and in accordance with manufacturers written instructions. Bend and fold exposed ends of hips ridges and neatly, cap with an end cap or a piece of similar material. 3.4 CLEANING AND PROTECTION A. Damaged Units: Replace panels and other components of the work that have been dented damaged or have deteriorated beyond successful repair by finish touchup with acrylic coating and stone chip granules. B. Cleaning: After completing installation, remove any debris from the roof. C. Foot Traffic: Avoid walking on sidelaps.