Attachment 4 Specifications.pdf

i

Specifications

For

COYOTE RANGER DISTRICT OFFICE

ROOF REPLACEMENT

May 2026 ii

Contents

DIVISION 1 – GENERAL REQUIREMENTS

01010 – SCOPE OF WORK

PART 1 – GENERAL

01020 – MEASUREMENT & PAYMENT

PART 1 – GENERAL

01030 – MOBILIZATION

PART 1 – GENERAL

01040 – SUBMITTALS

PART 1 – REQUIREMENTS

PART 2 – MANUFACTURER’S LITERATURE AND SHOP DRAWINGS

DIVISION 2 – SITE WORK

02222 – MINOR DEMOLITION

PART 1 – GENERAL

PART 2 – EXECUTION

DIVISION 6 – WOOD AND PLASTICS

06100 – ROUGH CARPENTRY

PART 1 – GENERAL

PART 2 – PRODUCTS

PART 3 – EXECUTION

DIVISION 7 – THERMAL AND MOISTURE PROTECTION

07610 – SHEET METAL ROOFING (INTERLOCKING STANDING SEAM)

PART 1 – GENERAL

PART 2 – PRODUCTS

PART 3 – EXECUTION

07631 - GUTTERS AND DOWNSPOUTS

PART 1 – GENERAL

PART 2 – PRODUCTS

PART 3 – EXECUTION

1.1 SUMMARY

1.2 PERFORMANCE REQUIREMENTS

iii

1.3 SUBMITTALS

1.4 QUALITY ASSURANCE

2.1 MANUFACTURERS

2.2 GLAZING

2.3 FABRICATION

FINISHES

3.1 INSTALLATION

DIVISION 1 – GENERAL REQUIREMENTS

01010 – SCOPE OF WORK

PART 1 – GENERAL

1.1 – Definitions

Contractor – the successful bidder who is awarded the contract.

Government – the Contracting Officer (CO) or designated Contracting Officer’s Representative (COR) of the Coronado National Forest.

1.2 – Descriptions

Contractor shall furnish all materials, supplies, tools, equipment, transportation, labor, supervision, and other associated work needed to complete work according to the specifications.

Scope of Work Includes:

• Removal and replacement of approximately 8,000 ft2 of roofing material. **Note that 8,000 ft2 is an estimate for bidding purpose, the contractor will need to measure the surface area of the roof and present the actual quantity to the Contracting Officer for concurrence.

• Removal and replacement of all damaged sub-roof with new decking material. The contractor shall estimate that 30% of the sub-roof will be replaced. **Note that 30% is an estimate for bidding purpose, the contractor will need to determine the actual quantity of damaged sub-roof and present this to the Contracting Officer for concurrence.

• Install ice and water shields, 24" minimum width along roof eaves.

• Install approximately 700 LF of metal gutters to include 14 downspouts. **Note that 700 LF is an estimate for bidding purpose, the contractor will need to determine the actual quantity of metal gutters and present this to the Contracting Officer for concurrence.

• Install 8 skylights, 21inches x 85inches that adhere to ‘like for like’ or better according to the ratings included in this scope of work.

The building shall be protected from any weather during construction operations to prevent damage to the structure and items/equipment inside. The buildings will be in use during construction. Therefore, the Contractor shall take necessary safety measures to protect employees and the public during construction to include running a magnetic sweeper around the site to ensure any excess nails, screws or any other foreign metal object are removed from the work site.

1.3 – Location and Conditions

Work shall take place at the Coyote Ranger District Office, which is located on the Santa Fe National Forest in Rio Arriba County, New Mexico. The Ranger District Office provides working space for District employees but is also open to the public to provide information about the Forest. The Ranger District Office can be accessed by starting in Santa Fe, New Mexico, travel north on US-84 W/US Hwy 285N to NM-96 in Rio Arriba County. Follow NM- 96 for approximately 20 miles to arrive. The address is: 20 Private Drive 1707, Box 1 Coyote, NM 87012.

Electricity for construction use is available. The Contractor is expected to use electricity as sparingly as possible.

Water for construction use is not available to the contractor at the site.

It will be the Contractor’s responsibility to familiarize themselves with the existing conditions and notify the Government of any discrepancies shown in these documents.

For delivery of materials and other construction-related items, the Contractor shall coordinate with COR and is advised to determine safe vehicle lengths and load limits for roads that access the site

1.4 – Schedule

A pre-work meeting for clarification of the project will be held if needed or desired by either the contractor or the Government.

A schedule for all work must be submitted to and approved by the Government prior to construction beginning.

The Contractor shall notify the Government seven days in advance of any construction work.

All work shall be completed within 120 days from issuance of the NTP.

1.5 – Contract Administration

The Contractor shall be fully responsible for seeing that construction activities conform to the specifications and provisions of this contract. The Government will provide timely reviews as requested by the Contractor and may periodically review work at any time.

Construction quality control shall include supplying all the personnel, equipment, and documentation necessary to ensure that construction is completed in compliance with the specifications and provisions of the contract.

The Contractor shall clearly stake limits of construction and maintain marks throughout the length of the project. The Government will review all staking.

1.6 – Quality of Work

The products listed in the specifications are preferred products chosen for building compatibility and quality. However, equal or better alternatives submitted by the Contractor will be considered and are encouraged.

Use recovered materials, recyclable materials, and environmentally preferable products and services where possible as per Executive Order 13423.

1.7 – Codes and Standards

Codes and standards of the following associations and listed publications will become part of this contract:

1. International Building Code (IBC)

2. Occupational Health and Safety Administration (OSHA) standards

3. American Society for Testing and Materials (ASTM)

4. American National Standards Institute (ANSI)

5. New Mexico Environment Department (NMED)

6. National Sanitary Foundation (NSF)

7. U.S. Environmental Protection Agency (EPA)

8. U.S. Housing and Urban Development Agency (HUD)

9. U.S. Department of Transportation (DOT)

10. U.S. Department of Labor (DOL)

11. U.S. Department of Health and Human Services (HHS)

All materials, workmanship, and designs shall meet specified requirements of the standards referenced in this section and other local or state codes, related to this type of work, whichever is more stringent.

1.8 – Special Construction Requirements

Upon completion of the project, all demolished improvements and other construction materials shall be removed from Government land and disposed of in accordance with State and County standards.

Construction Access and Protection: The Contractor shall be responsible for securing the project area from the public/residents. This includes providing the necessary security for protection of the Contractor's materials, equipment, tools and work until final acceptance by the Government.

Equipment and material storage: The Contractor shall obtain permission from the

Contracting Officer Representative for equipment and material storage, and for other areas needed for construction.

All site features to remain shall be protected from damage during the project. Any damage to site features shall be repaired to their original condition at the cost of the Contractor.

No live trees are to be cut down. Minimal tree limbs may be trimmed as necessary.

Sanitation/Garbage: No garbage service is available for Contractor use. The Contractor shall keep the construction site free of loose garbage at all times.

1.9 – Contract Closeout

Remove temporary facilities and provide final cleaning and touch-up. Restore portions of buildings, site improvements, landscaping, and other items damaged by construction operations to the satisfaction of the Government at no additional expense to the Government.

*** END OF SPECIFICATION 01010 ***

01020 – MEASUREMENT & PAYMENT

PART 1 – GENERAL

1.1 – Measurement & Payment

Measurement and payment for contract work will be made only for and under those pay items included in the SCHEDULE OF ITEMS. All other work and materials will be considered incidental to the completion of the items shown and no separate payment will be made.

*** END OF SPECIFICATION 01020 ***

01601 - 10

01030 – MOBILIZATION

1.1 – Description

This section includes preparatory work and operations, including those necessary to the movement of personnel, equipment, supplies and incidentals to the project site; and for other work and operations which must be performed or costs incurred prior to beginning work on the various items at the project site.

PART 2 - PRODUCTS

NONE

PART 3 - EXECUTION

NONE

PART 4 - MEASUREMENT AND PAYMENT

4.1 - Measurement

Progress payments will be made as follows:

The Contractor can request payment for performance and payment bonds. The amount of the premium, including coinsurance and reinsurance agreements, will be paid upon receipt of evidence of full payment to the surety. When separate payment for bonding cost is made, the bonding cost will be subtracted from the total contract amount for this pay item and the balance paid in accordance with the progress payment schedule outlined below.

(a) When 5 percent or more of the original contract amount is earned from other pay items, 50 percent of the amount for mobilization, or 5 percent of the original contract amount, whichever is less, will be paid.

01601 - 11

(b) When 10 percent or more of the original contract amount is earned from other pay items, 100 percent of the amount for mobilization, or 10 percent of the original contract amount, whichever is less, will be paid.

(c) Upon completion of all work on the project, any unpaid amount for mobilization will be paid.

Any bonding costs in excess of the total contract amount of this pay item will be paid under one or more other pay items under this contract as determined by the Contracting Officer. In no circumstance will the total amount of this contract be increased as a result of bonding costs exceeding the total contract amount of this pay item.

The total of all payments shall not exceed the original contract amount for this item.

4.2 - Payment

Payment will be made under:

PAY ITEM DESCRIPTION PAY UNIT

01601(01) Mobilization (Including Bonding Cost) . . . . . . . . . . . . . . . . LS

***END OF SPECIFICATION 01030***

01601 - 12

01040 – SUBMITTALS

PART 1 – REQUIREMENTS

1.1 - General

It will be the Contractor's responsibility to submit all items with such promptness as to cause no delay in the work. Approvals must be obtained before starting work which involves the item. Contractor shall allow 5 days for processing of submittals by the Government. Submittals may also be referred to as shop drawings.

PART 2 – MANUFACTURER’S LITERATURE AND SHOP DRAWINGS

2.1 - Description

The Contractor shall submit one copy of all submittals to the Government for approval of the items required herein. For each submittal, the Contractor must receive written approval from the Government to use the item before incorporating it into the project work. Literature must be marked or otherwise designated to show the exact model, size, etc. the Contractor proposes to use. Information must be adequate to determine compliance with the specifications. Approvals must be received for products differing from those described in the Government-supplied specifications.

2.2 - Products

Certificates of compliance are required for the following:

1. Standing Metal Seam

2. Lumber for sub-roof

3. Gutter and downspouts

4. Underlayment

5. Skylight Windows

***END OF SPECIFICATION 01040***

*** END DIVISION 1 ***

01601 - 13

DIVISION 2 – SITE WORK

02222 – MINOR DEMOLITION

1.1 – Summary

This section includes the removal and disposal of the existing roofing material and any damaged sub-roof material.

1.2 – Quality Assurance

Regulations: Comply with federal, state, and local hauling and disposal regulations.

The Contractor shall provide containment and engineering control techniques if necessary to conduct this activity.

PART 2 – EXECUTION

2.1 – Preliminary Assessment

The contractor shall evaluate sub-roof substructure and determine the actual percentage which needs to be removed during the roof replacement work. Any other structural components or materials which may need to be removed during the roof replacement work shall be identified and reported to the COR in a timely manner.

2.2 – Demolition

A. The contractor shall provide all labor, materials, tools, equipment, services, testing, supervision and incidentals necessary to perform activities related to the removal of roof and replacement of the roof. For bidding purposes, the contractor shall estimate that the roof is 8,000sqft. The actual square footage of the roof shall be measured by the contractor and agreed upon by both the contractor and the Contracting Officer.

B. Once the roof has been stripped of all existing roofing materials, the government shall inspect the sub-roof and give guidance as to how much if any of the sub-roof shall be replaced. For bidding purposes, the contractor shall estimate that 30% of the sub-roof will be replaced. Actual quantities requiring replacement will be agreed upon by the contractor and Contracting Officer.

C. Sub-roof that is specified for replacement will be replaced with 15/32" standard roofing OSB and shall be secured to trusses per IBC standards.

D. The contractor shall place waste into an appropriate disposal container as it is created to prevent buildup of waste material at the site.

E. The contractor shall dispose of waste material promptly following all applicable local, State, and Federal requirements for the disposal of this material. The contractor is responsible for the hauling and disposal of all demolished materials to an appropriate landfill. All required notifications and permits are the responsibility of the contractor and must comply with all local, state and federal guidelines and regulations.

2.2 – Method of Measurement

Units: The work described in this section will be measured by the square foot.

*** END OF SPECIFICATION 02222 ***

*** END DIVISION 2 ***

DIVISION 6 – WOOD AND PLASTICS

06100 – ROUGH CARPENTRY

This section includes furnishing all materials, equipment, transportation, labor, supervision, and other associated work necessary to complete the roof structure and substructure.

PART 2 – PRODUCTS

2.1 – Materials

A. Use only Select, kiln-dried lumber in the roof structure and substructure.

B. Use OSB of 15/32" nominal thickness or greater as roof decking.

C. Use anchor bolts, hold-downs, hangers and other fasteners as required by code and/or good practice, whichever is more stringent.

PART 3 – EXECUTION

3.1 – Installation

A. Repair roof substructure following best engineering and building practices and in accordance with the most current IBC Standards.

B. Felts: Install roofing felts in accordance with manufacturer’s recommendation. Install 30# roofing felt on new deck prior to installation of new metal roof

C. Install ice and water shields, 24" minimum width along roof eaves.

***END OF SPECIFICATION 06100***

*** END DIVISION 6 ***

DIVISION 7 – THERMAL AND MOISTURE PROTECTION

07610 – SHEET METAL ROOFING (INTERLOCKING STANDING SEAM)

This section includes furnishing and installing standing seam metal roofing. Contractor shall install new decking material and install ice and water shields, 24" minimum width along roof eaves.

Note: The sub-roof shall be inspected and approved by the Government prior to installation of metal roofing.

1.2 – Submittals

A. Manufacturer's Literature: Submit a copy of the manufacturer's descriptive data for the metal roofing to be used on this project.

B. Shop Drawings: Submit a copy of shop drawings for the sheet metal roofing to be used on this project.

1.3 – Quality Assurance

Failure Criteria: Not limited to the following:

1. Loosening of sheets

2. Moisture penetration

1.4 – Delivery, Storage, and Handling

Storage: Retain sheets in roofer’s original packaging until installation. Crimping of any portion of these sheets will be a basis for rejection. Store under cover in a location away from construction operations.

1.5 – Sequencing and Scheduling

Installation Conditions: The roof substructure shall be inspected and approved by the Government prior to installation of metal roofing.

PART 2 – PRODUCTS

2.1 – Materials

D. Interlocking Standing Seam Roofing: Uplift Classification of not less than Class No. 30, and shall consist of 16-inches wide non-embossed flush-faced panels of not less than 26 U.S. gauge acrylic enamel coated steel with 1-1/2 inch to 2-inch high male and female ribs. Coated steel tested according to ASTM A 446 to meet or exceed a minimum yield point of 48,000 psi.

E. Self-Drilling Screws: Class No. 410 stainless steel cadmium coated according to ASTM B 699.

F. Underlayment: No. 30 building felts.

G. Sealants: Longitudinal interlocking ribs as well as any transverse end laps shall be sealed with a factory applied sealant.

H. Accessories: Miscellaneous flashings shall be galvanized steel having a minimum yield point of 37,000 psi, and shall be provided with a Kynar, or equal, coating in accordance with roofing manufacturer’s standard.

I. Ridge Vent: Furnish and install continues ridge vents per manufacturer’s requirements. Color shall match metal roofing.

J. Color: Color shall be selected by Contracting Officer from manufacturer’s standard range and approved prior to purchase of materials. Preference is for the color to match the previous roof color.

PART 3 – EXECUTION

3.1 – Installation

A. Verification: Government shall verify that sub-roof is acceptable for roofing installation.

B. Felts: Install roofing felts in accordance with manufacturer’s recommendation.

C. Positioning Panels: The panels shall be applied with the ribs upstanding and parallel to the roof slope. Secure the roof panels to the decking with fasteners recommended by the roofing manufacturer.

D. Install panels in maximum lengths available.

E. Install panels in such a manner that horizontal lines are true and level and vertical lines are plumb.

F. Install trim before installing roof panels. Do not walk on the completed roof.

G. Sealant: Interlocking ribs shall contain sealant, factory applied in the female rib, and shall be crimped together according to the manufacturer’s instructions, immediately after securing in place.

H. Flashing: Roofing shall be properly flashed and sealed at the eave, ridge, and rake with necessary fascias and ridge covers in accordance with the roofing manufacturer’s standards.

I. All existing functioning roof features such as chimneys, antennas, vents, etc. shall be incorporated into the new roof in a manner in which they maintain total functionality and are completely water tight.

***END OF SPECIFICATION 07610***

07631 - GUTTERS AND DOWNSPOUTS

1.1 - Summary

Section Includes: Furnishing and installing gutters and downspouts.

1.2 - Submittals

A. Manufacturer's Literature: Submit a copy of the manufacturer's descriptive data for gutters and downspouts to be used on this project.

B. Shop Drawings: Submit a copy of shop drawings for the gutters and downspouts to be used on this project. Shop drawings shall indicate the complete layout with dimensions, gauge of material, connections, fastening methods, and other details as necessary to present a complete drainage system.

1.3 – Quality Assurance

Failure Criteria: Not limited to the following:

1. Rusting.

2. Joint leaking.

3. Metal pulling loose from subsurface attachment.

1.4 – Delivery, Storage, and Handling

Storage: Crated materials shall not be uncrated until ready for use. Store materials in dry, weather-tight, ventilated areas until immediately before installation.

PART 2 – PRODUCTS

2.1 - Materials

A. Gutter: 5-inch K Style Aluminum Gutter. Shall be according to ASTM A 525.

Twenty-four gauge minimum material, factory-marked to permit identification.

Maximum available lengths. Single pieces less than 8 feet long may be used to connect to factory-fabricated corners, and at ends of runs.

B. Downspouts: 3-inch x 4-inch Rectangular Aluminum Downspout 24-gauge minimum material.

C. Fasteners: K Style Aluminum Gutter Hangers to correspond with gutter. Aluminum drive, rack and key system to attach downspouts to building.

D. Accessories: Aluminum mitered corners, end caps, outlets, brackets and other accessories necessary for installation.

C. Solder: Shall be according to ASTM B 486.

D. Flux: Consistent with solder, acid type.

2.2 - Fabrication

Requirements: Shall be according to SMACNA Manual.

PART 3 – EXECUTION

3.1 - Installation

A. Gutters: Gutters shall be supported by hangers maximum 24 inches O.C. that permit free thermal movement of the gutter. Hangers shall be attached to the building per manufacturer’s recommendations. Gutters shall be completed with mitered corners, end caps, outlets, brackets and other accessories necessary for installation. The outer edge of gutter shall be beaded or reinforced with a stiffening bar not less than 3/4 x 3/16 inch of material compatible with gutter. The sections shall be lapped a minimum of 1-1/2 inches in the direction of flow. Gutters shall be joined by riveted and soldered joints. Expansion-type slip joints shall be provided midway between outlets. Install gutters below slope line of the roof so that snow and ice can slide clear. Gutters shall be adjusted to slope uniformly to outlets, minimum pitch 1/8 inch per foot with high points occurring midway between outlets.

B. Downspouts: Downspouts shall be provided in maximum lengths; end joints shall telescope not less than 1/2 inch, and longitudinal joints shall be locked. Downspouts shall be kept not less than one inch away from walls. Use drive, rack, and key system per manufactures recommendations to attach downspouts to buildings.

***END OF SPECIFICATION 07631***

*** END DIVISION 7 ***

DIVISION 8 – DOORS AND WINDOWS

SECTION 08520 - ALUMINUM WINDOWS

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes fixed windows.

1.2 PERFORMANCE REQUIREMENTS

A. General: Provide aluminum windows capable of complying with performance requirements indicated, based on testing manufacturer's windows that are representative of those specified and that are of minimum test size required by AAMA/NWWDA 101/I.S.2.

B. Structural Performance: Provide aluminum windows capable of withstanding the following, including wind loads based on passing AAMA/NWWDA 101/I.S.2, Uniform Load Structural Test, at basic wind speed indicated:

1. Deflection: Based on passing AAMA/NWWDA 101/I.S.2, Uniform Load Deflection Test or on glass framing system designed to limit lateral deflections of glass edges to less than 1/175 of glass-edge length or 3/4 inch (19 mm), whichever is less, at design pressure based on structural computations.

2. Basic Wind Speed: As indicated in miles per hour (meters per second) at 33 feet (10

m) above grade. Determine wind loads and resulting design pressures applicable to Project according to ASCE 7, "Minimum Design Loads for Buildings and Other Structures," Section 6.4.2, "Analytic Procedure"; based on mean roof heights above grade as indicated on Drawings.

C. Air Infiltration: Maximum rate not more than 0.3ft3/(min*ft2) at 1.57lb/ft2when tested according to AAMA/NWWDA 101/I.S.2, Air Infiltration Test.

D. Water Resistance: No water leakage as defined in AAMA/NWWDA referenced test methods at a water test pressure equaling 3.75lbf/ft2 when tested according to AAMA/NWWDA 101/I.S.2, Water Resistance Test.

E. Forced-Entry Resistance: Comply with Performance Level 10 requirements when tested according to ASTM F 588.

F. Condensation-Resistance Factor: Provide aluminum windows tested for thermal performance according to AAMA 1503, showing a CRF of 45, where windows are indicated to be "thermally improved."

G. Thermal Transmittance: Provide aluminum windows with a whole-window U-value maximum 0.30 at 15-mph (24-km/h) exterior wind velocity and winter condition temperatures when tested according to AAMA 1503, ASTM E 1423, and NFRC 100.

H. Solar Heat-Gain Coefficient: Provide aluminum windows with a whole-window SHGC maximum of 0.5, determined according to NFRC 200 procedures.

I. Thermal Movements: Provide aluminum windows, including anchorage, that accommodate thermal movements of units resulting from the following maximum change (range) in ambient and surface temperatures without buckling, distortion, opening of joints, failure of joint sealants, damaging loads and stresses on glazing and connections, and other detrimental effects. Base engineering calculation on actual surface temperatures of materials due to solar heat gain and nighttime-sky heat loss.

1. Temperature Change (Range): 120 deg F (67 deg C), ambient; 180 deg F (100 deg C) material surfaces.

J. Specific Product Performance Requirements: Comply with Section 2.2 of AAMA/NWWDA 101/I.S.2 as applicable to types of aluminum windows indicated.

1.3 SUBMITTALS

A. Product Data: For each type of aluminum window indicated.

B. Samples: For each exposed finish.

C. Maintenance data.

1.4 QUALITY ASSURANCE

A. Installer: A qualified installer, approved by manufacturer to install manufacturer's products.

B. Fenestration Standard: Comply with AAMA/NWWDA 101/I.S.2, "Voluntary Specifications for Aluminum, Vinyl (PVC) and Wood Windows and Glass Doors," for minimum standards of performance, materials, components, accessories, and fabrication unless more stringent requirements are indicated.

C. Glazing Publications: Comply with published recommendations of glass manufacturers and GANA's "Glazing Manual" unless more stringent requirements are indicated.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

1. Acorn Window Systems.

2. All Seasons Commercial Division, Inc.

3. Boyd Aluminum Manufacturing.

4. Custom Window Company.

5. DeSCo Windows.

6. EFCO Corporation.

7. EXTECH/Exterior Technologies, Inc.

8. Fleetwood Aluminum Products, Inc.

9. Graham Architectural Products Corp.

10. Kawneer Company, Inc.

11. Mannix; a Division of Interstate Window Corp.

12. Peerless Products, Inc.

13. Reynolds Architectural Systems; Ramco Mfg. Co.

14. Thermal Windows, Inc.

15. TRACO.

16. Winco Manufacturing Co.

17. Window Technologies, Inc.

2.2 GLAZING

A. Glass and Glazing Materials: Refer to Division 8 Section “Glazing” for glass units and glazing requirements applicable to glazed aluminum window units.

B. Glass: Clear, insulating-glass conforming to energy efficiency requirements.

2.3 FABRICATION

A. General: Fabricate aluminum windows, in sizes indicated, that comply with requirements and that meet or exceed AAMA/NWWDA 101/I.S.2 performance requirements for the following window type and performance class. Include a complete system for assembling components and anchoring windows.

1. Fixed Windows: Light Commercial.

B. Fabricate aluminum windows that are reglazable without dismantling sash or ventilator framing.

C. Weather Stripping: Provide full-perimeter weather stripping for each operable sash and ventilator.

D. Weep Holes: Provide weep holes and internal passages to conduct infiltrating water to exterior.

E. Provide water-shed members above side-hinged ventilators and similar lines of natural water penetration.

F. Subframes: Provide subframes with anchors for window units as shown, of profile and dimensions indicated but not less than 0.062-inch- (1.6-mm-) thick extruded aluminum.

Miter or cope corners, and weld and dress smooth with concealed mechanical joint fasteners. Finish to match window units. Provide subframes capable of withstanding design loads of window units.

G. Glazing Stops: Provide snap-on glazing stops coordinated with Division 8 Section "Glazing" and glazing system indicated. Provide glazing stops to match sash and ventilator frames.

FINISHES

Baked-Enamel Finish: Thermosetting, modified-acrylic enamel primer/topcoat system complying with AAMA 2603

Color: As selected by COR from manufacturer's full range.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install windows level, plumb, square, true to line, without distortion or impeding thermal movement, anchored securely in place to structural support, and in proper relation to wall flashing and other adjacent construction.

B. Set sill members in bed of sealant or with gaskets, as indicated, for weathertight construction.

C. Install windows and components to drain condensation, water penetrating joints, and moisture migrating within windows to the exterior.

D. Metal Protection: Separate aluminum and other corrodible surfaces from sources of corrosion or electrolytic action at points of contact with other materials by complying with requirements specified in "Dissimilar Materials" Paragraph in Appendix B in

AAMA/NWWDA 101/I.S.2.

E. Adjust operating sashes and ventilators, screens, and hardware for a tight fit at contact points and weather stripping for smooth operation and weathertight closure. Lubricate hardware and moving parts.

F. Protect window surfaces from contact with contaminating substances resulting from construction operations. In addition, monitor window surfaces adjacent to and below exterior concrete and masonry surfaces during construction for presence of dirt, scum, alkaline deposits, stains, or other contaminants. If contaminating substances do contact window surfaces, remove contaminants immediately according to manufacturers written recommendations.

G. Clean aluminum surfaces immediately after installing windows. Avoid damaging protective coatings and finishes. Remove excess sealants, glazing materials, dirt, and other substances.

H. Clean factory-glazed glass immediately after installing windows. Comply with manufacturers written recommendations for final cleaning and maintenance. Remove nonpermanent labels and clean surfaces.

I. Remove and replace glass that has been broken, chipped, cracked, abraded, or damaged during construction period.

***END OF SPECIFICATION 08520***

*** END DIVISION 8 ***

*** END SPECIFICATIONS ***