J-1 FA3022-10-R-0002 Statement of Work.pdf

FA3022-10-R-0002 Atch 1

SPECIFICATION

FOR

COLUMBUS AIR FORCE BASE, MS

PROJECT: EEPZ 01-2001

IDIQ-ROOFING, BASIC CONTRACT

FEBRUARY 2, 2009

BY

COLUMBUS AIR FORCE BASE

CIVIL ENGINEER

PROJECT: EEPZ 01-2001

INDEFINETE DELIVER INDEFINITE QUANTITY

REPLACE/REPAIR ROOFING, BASE WIDE

I-N-D-E-X

SECTION DESCRIPTION PAGE#

01000 STATEMENT OF WORK 4

06100 ROUGH CARPENTRY 10

07200 ROOF INSULATION 17

07300 ROOFING SHINGLES 21

07400 RETROFIT ROOF SYSTEM 25

07511 BUILT-UP ASPHALT ROOFING 29

07531 SINGLE PLY ROOFING 35

07600 SHEETMETAL WORK, GENERAL 40

07920 CAULKING AND SEALANTS 53

SECTION 01000

STATEMENT OF WORK

1.01 SCOPE: The work performed under this contract shall consist of providing all plant, labor, transportation, materials, equipment, and the performance of all work necessary to repair built-up roofs, sheet metal roofs, fiberglass shingle roofs and flashing, and install complete new roofing of various types as required on various buildings or structures and incidental related work located on Columbus Air Force

Base, Mississippi. All work shall be performed in strict accordance with the specifications and subject to the terms and conditions of the contract.

1.02 GENERAL:

A. Material Delivery: The Contractor shall have all materials delivered during normal working hours or the contractor shall have a representative present to receive shipments which arrive after normal working hours. Materials shall be stored in locations indicated by the Contracting Officer (CO).

B. Working Conditions:

(1) The unit will be occupied throughout the duration of this contract. Work shall be performed in such a manner as to cause minimum disruption to the regular routine of the adjacent areas.

(2) Normal base working hours follow the Compressed Work Schedule. For the purposes of this contract, the normal base working hours are Monday through Friday from 0700-1700.

The following are Federal Holidays:

New Year's Day Martin Luther King, Jr.'s Birthday

President's Day Memorial Day

Independence Day Labor Day

Columbus Day Veterans Day

Thanksgiving Day Christmas Day

No work shall be accomplished outside of normal base working hours, weekends or Federal holidays without prior written approval by the Contracting Officer at least ten days in advance of the unusual hours.

(3) Care shall be taken to minimize the spread of dust and flying particles. At all times during the course of construction, the premises shall be kept free from accumulations of waste materials or debris.

C. Protection of Existing Facilities: Adequate precautions shall be taken by the Contractor to protect existing facilities from damage resulting from work on this contract. Damage to existing facilities resulting from work on this contract shall be satisfactorily repaired, replaced, and left in their original state by the Contractor at no additional cost to the Government. The Contractor shall be responsible for restoring to its original condition all property affected by work on this contract.

D. Interruption of Existing Utilities Services: The Contractor shall perform the work under this contract with a minimum of outage time for all utilities. In some cases, the Contractor may be required to perform the work while the existing utility is in service. The existing utilities services may be interrupted only when it is coordinated through 14 Civil Engineering Squadron, Construction Management, and approved by the Contracting Officer in writing at least seven (7) days in advance of the time of the desired utility service interruption.

E. Clean Up:

(1) The Contractor shall be responsible for:

(a) Removal of all dunnage, refuse and debris from site resulting from their operations. This shall be done at the close of each workday. Contractor shall protect area not under restoration from the spread of any dirt, dust, or other debris caused by the work in the contract.

(b ) Cleaning droppings, etc., from finished work.

(2) The Contractor shall at the close of each day of work, execute cleaning work, so no hazards are left in the general construction area.

F. Recycled Materials: The Contractor shall comply with Executive Order 12873, Federal

Acquisition, Recycling and Waste Prevention and the Environmental Protection Agency's Comprehensive

Procurement Guide (CPG), as published in the Federal Register on May 1, 1995. This means that if there is a product called for in the performance of this contract for which a product on the market with recycled content exists, then the contractor shall furnish the recycled product, so long as it meets the quality standards in the specifications at a reasonable price (i.e. if the cost of the recycled-content product exceeds the cost of a non-recycled item then it is considered unreasonable). The contractor will identify recycled products approved for use to the Contracting Officer once the submittals have been approved and will comply with the reporting procedures at Contract Clause I-296C.

G. Responsibility to the Environment: Contractor is responsible for compliance with all federal, state, and local environmental laws and regulations. These requirements include but are not limited to items discussed in this section.

(1) This installation is subject to federal, state and local inspections to review compliance with environmental protection laws. An inspection by the Environmental

Protection Agency (EPA) or Mississippi Department of Environmental Quality (MDEQ), or any other environmental or safety enforcement agency may include questioning and inspection of Contractor personnel, sites and processes. Contractors shall complete and provide documentation as directed by the CO to include documentation of any environmental training required by federal, state or local regulations.

(2) If a Notice of Violation (NOV) is issued to the government or contractor due to the contractor's error or omission, the Contractor shall be held liable for damages to include fines, penalties and/or corrective actions imposed by federal, state or local agencies.

(3) If materials not indicated in the current contract requirements are encountered that may be dangerous to human health upon disturbance during construction operations, such as PCBs, Lead Based paint, hazardous material spills and friable and non-friable asbestos, the contractor is to take no action which would disturb or further disturb the material encountered and shall notify the CO and construction inspector immediately.

Failure to make such notification shall relieve the Government from all liability for cost and/or performance time impacts until such time proper notifications are received by the

CO. Verbal notification shall be followed up with written notification within three workdays.

(4) REFERENCES -

Clean Water Act, Clean Air Act, Resource Conservation and Recovery

Act (RCRA), Comprehensive Environmental Response, Compensation and Liability Act and amendments to these acts including the Federal Facilities Compliance Act.

Code of Federal Regulations (CFR) series 29, 40 and 49, and Department of Transportation (DOT) hazardous material transport regulations.

(5) Class I Ozone Depleting Substances (ODS) as defined in Section 602(a) of the

Clean Air Act shall not be used in the performance of this contract. Radioactive materials or instruments capable of producing ionizing radiation as well as materials, which contain asbestos, mercury or polychlorinated biphenyls (PCBs), are also prohibited, as are materials that contain potentially hazardous concentrations of lead.

These prohibitions shall be considered to prevail over any other provision, specification, drawing or referenced documents. Exceptions to the use of the above excluded materials may be considered by the Contracting Officer (CO), upon written request by the

Contractor.

(6) Disposal of any chemical or materials into the sanitary sewer system or out in the environment where it can enter the storm system or any natural waterway is prohibited. Disposal of any hazardous material on base is prohibited.

(7) All drums and/or containers of liquid materials will be marked to indicate contents. Unmarked containers are not allowed on site. All containers shall be kept closed when not in use.

1.03 TEMPORARY SANITATION: The contractor will be responsible for providing sanitation facilities to his employees. All portable sanitation units used during execution of this contract shall be supplied by the Contractor. This includes maintenance, transportation to and from job site, secure placement of unit as not to obstruct normal public activity, and unit clean-out as needed. The facility location(s) shall be as approved by the Contracting Officer.

1.04 UTILITIES: All reasonable amounts of electricity and water required for the completion of this project will be furnished to the Contractor without charge from existing system outlets and supplies. If electricity is not available on the site, the Contractor shall provide and install a temporary service pole.

The government will provide power to the pole and it shall be the Contractor's responsibility to provide the lines from the pole to a convenient location on the site. If water is not available on the site, it shall be the Contractor's responsibility to connect into an existing line and provide a carrying system to the site.

All connection locations, methods, and material shall be at the direction of the Contracting Officer. The

Contractor shall be further responsible for the removal of any temporary utility system upon contract completion. The government will provide disconnection service from the pole.

1.05 HAZARDOUS MATERIALS: Hazardous materials that are used on the installation and not used for facility maintenance, structural construction, motor vehicle fueling and maintenance, or routine janitorial and grounds maintenance activities must be tracked in accordance with the

Emergency Planning and Community Right to Know Act (in accordance with Executive Order

12856), Section 313. Examples of materials that would require tracking are chemicals used for parts washing or equipment painting that is not a part of the facility. If these activities do occur, materials and quantities used shall be reported to the CO.

(A) Submit the following:

(1) List of materials detailed in paragraph 1.4.A to be used during construction.

Submit list of proposed materials before construction starts.

(2) List of materials and quantities used during construction as detailed in paragraph.

(B) Hazardous materials shall be stored and used in accordance with all federal, state and local laws and regulations. Hazardous materials shall not be stored in containers in direct contact with the ground. Containers shall be in good condition with no holes, leaks, creases or excessive rust. Containers must be kept closed when not in use. The CO retains authority for approval/disapproval of all storage containers. MSDS sheets shall be available at the location of all hazardous materials.

(1) Material Safety Data Sheets (MSDS) shall be available on sites for all hazardous materials.

(2) Any hazardous or special waste generated shall be handled in accordance with all local, state and federal laws and regulations, including RCRA requirements for waste management and DOT requirements for waste transport. The contractor shall be responsible for obtaining all necessary permits, licenses and approvals unless otherwise specified in writing by the CO.

(3) Contractor shall maintain records of all waste determinations, including appropriate results of analysis performed, substances and sample locations, date and time of collection, and other pertinent data as required by 40 CFR Part 280, Section 74 and 40

CFR, Part 262, Subpart D.

(4) Contractor shall provide copies of all hazardous waste manifests to the CO not later than close of business the same day waste is transported off base. Contractor shall provide a closed copy of the hazardous waste manifests not later than 30 days after the waste is transported off base or prior to final payment, whichever occurs first.

(C) In the event of a spill of any amount or type of hazardous materials or waste to include all petroleum products, Contractor shall immediately notify the CO and construction inspector, providing description of material spilled (including MSDS), time and location of spill, estimate of amount spilled, spill surface and path of spill, i.e., did the material enter or will soon enter a drain inlet, waterway, soil, etc. Note that spills as used here includes releases of materials from ruptured or leaking storage receptacles (such as tanks), from transmission lines and valves, either as a part of contract work or as a result of contract work on nearby storage or transmission lines, or the leak of hazardous gases such as chlorine into the air.

(1) Contractor shall take immediate action to contain and then to clean up spills. If the contractor is unable to begin cleanup action within 15 minutes of the spill, the

Government reserves the right to begin the cleanup, continue cleanup efforts/actions until the contractor can properly take over, and/or enlist the services of another contractor to begin and continue cleanup until the contractor can properly take over cleanup actions, as determined by the CO.

(2) All costs incurred by the Government until Contractor is capable of taking control, as determined by the CO, shall be the sole responsibility of the Contractor.

Contractor shall ensure equipment, material and trained personnel are available to meet response time and cleanup requirements.

(3) Spill cleanup personnel shall be trained and certified, per 29 CFR, to perform spill cleanup. Contractor shall assume responsibility for the proper characterization and disposal of any waste and cleanup materials generated. All waste and associated cleanup material shall be removed from the base and transported/stored in compliance with applicable regulations until final disposal.

(4) The government reserves the right to control spill cleanup activities. The senior ranking Air Force representative on scene will determine best practices for spill cleanup. The CO remains as the only Air Force representative that may amend contract requirements and direct the work of the contractor.

(5) The Contractor is responsible for restoring a spill site to the condition of the site prior to the spill or to an improved condition.

1.06 SAFETY: The Contractor shall observe all security and fire regulations as presently enforced at

Columbus AFB.

1.07 PROTECTION OF PERSONS AND PROPERTY: Adequate protection of all persons shall be provided at all times. All construction equipment shall have back-up beepers to warn anyone in the construction areas that a vehicle is in the process of backing.

1.08 DEBRIS: All debris generated as a result of work on this project shall become the property of the

Contractor unless specifically exempt in the specifications and/or drawings, and shall be disposed of by the Contractor outside the limits of Columbus AFB. It shall be the Contractor's responsibility to dispose of said debris in a manner meeting the minimum requirements of federal, state, and local regulations with respect to environmental protection.

1.09 SPECIFICATIONS: All accessories or incidental items not specifically shown and detailed in the specifications herein, which are necessary and/or required to complete the work within the intent of the specifications, shall be included by the Contractor without additional cost to the Government.

1.10 WORK CONDITIONS: Adequate precautions shall be taken by the contractor to protect existing underground utilities, and adjacent structures, pavements and walks from damage resulting from work on this contract. Damage to existing utilities or adjacent structures, pavements, and walks resulting from work on this contract, shall be satisfactorily repaired by the contractor at no additional cost to the

Government, provided the approximate location of the utility had been made known to the contractor prior to construction.

1.11 MAINTENANCE OF TRAFFIC: The Contractor shall coordinate his or her work schedule with the

Contracting Officer and Security Forces prior to commencing work so that interference with traffic will be held to a minimum during accomplishment of the contract. The Contractor shall be responsible for erecting and dismantling barricades, flashing lights, and other traffic control equipment necessary for the proper control of traffic. The Contractor shall notify the Contracting Officer prior to blocking any street or section of street. Streets shall not be blocked until approved by the Contracting Officer. All signs and barricades shall conform to the "Manual of Uniform Traffic Control Devices for Streets and Highways", 1971 Edition.

1.12 MEASUREMENT AND PAYMENT: Quantities for payment shall be measured and paid using the specified unit of measurement at the correct unit price as shown on the Bid Schedule.

1.13 CONTINUED USE OF FACILITIES: The buildings involved in this project will be occupied during the work. Work shall be performed in an orderly manner with minimum disturbance and inconvenience to the occupants. The contractor shall confine and limit his personnel to only those areas required to perform the work. The buildings, occupants, and occupant’s belongings shall be protected from damage.

1.14 PROTECTION OF PROPERTY: Should rain occur during the performance of this contract, the contractor shall take proper cognizance of the fact that he or she is responsible for any damage to the building and the building contents due to water and/or wind because of failure on the part of the contractor to afford protection to prevent such damage. Building and building contents damaged by weather as a result of contractor’s lack of protection shall be replaced at no additional cost to the

Government. The contractor shall at a minimum comply with the following:

a. No roofing shall be removed and no new roofing shall be installed while there is precipitation in any form.

b. The contractor shall have on hand at the job site, waterproof tarpaulins, rope and sandbags of a size, type and quantity sufficient to provide adequate protection from water and wind damage.

c. The contractor shall supply, to the Contracting Officer, a telephone number or numbers where responsible parties may be reached during emergencies outside of regular working hours or anytime the contractor does not have a responsible representative on the job. Compliance with these provisions does not, in any way, relieve the Contractor of responsibility outlined in subparagraphs above.

1.15 NOTIFICATION: The contractor shall submit to the Contracting Officer in writing, his proposed work plan. In addition the contractor shall notify the Contracting Officer in writing a minimum of three days in advance of when work will start.

1.16 STORM PROTECTION: Should warnings of wind of gale force or stronger be issued, the

Contractor shall take every practicable precaution to minimize danger to persons, to the work, and to adjacent property. These precautions shall include closing all openings, removing all loose materials, tools and equipment from exposed locations, and removing or securing scaffolding and other temporary work.

* * *END OF SECTION* * *

SECTION 06100

ROUGH CARPENTRY

PART 1 - GENERAL

1.1 SUMMARY (Not Applicable)

1.2 REFERENCES: The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the test by basic designation only.

A. AMERICAN INSTITUTE OF TIMBER CONSTRUCTION (AITC):

AITC-01 (1985) Timber Construction Manual

B. AMERICAN PLYWOOD ASSOCIATION (APA):

APA-01 (1979; Rev. Sep. 1987) Design/Construction Guide, Residential and Commercial

APA-PRP-108 (Jun. 1988) Performance Standards and Policies for Structural-Use Panels

C. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM):

D 2103-86 (7 Aug 1987) Standard Specification for Polyethylene Film and Sheeting

D. AMERICAN WOOD PRESERVERS' ASSOCIATION (AWPA):

AWPA C2 (1987) Lumber, Timbers, Bridge Ties and Mine Ties--Preservative Treatment by

Pressure Processes

AWPA M4 (1984) The Care of Preservative-Treated Wood Products

G. FEDERAL SPECIFICATIONS (FS):

FS FF-N-105 (23 Aug 1977) (Rev. B; Am. 3; Int. Am. 4) Nails, Brads, Staples and Spikes:

Wire, Cut and Wrought

FS UU-B-790 (22 Sep 1976) (Rev. A: Int. Am. 1) Building Paper, Vegetable Fiber: Kraft, Waterproofed, Water Repellent and Fire Resistant

H. NATIONAL FOREST PRODUCTS ASSOCIATIONS (NFOPA):

NFOPA-01 (1986) National Design Specification for Wood Construction and Supplement -

Design Values for Wood Construction

NFOPA-02 (1988) Manual for Wood Frame Construction

I. NATIONAL HARDWOOD LUMBER ASSOCIATION (NHLA):

NHLA-01 (Jan. 1982) Rules for the Measurement and Inspection of Hardwood and Cypress

Lumber

J. NORTHEASTERN LUMBER MANUFACTURERS ASSOCIATION, INC. (NELMA):

NELMA-01 (1986) Standard Grading Rules for Northeastern Lumber

K. REDWOOD INSPECTION SERVICE (RIS):

RIS-02 (Jan. 1987) Standard Specifications for Grades of California Redwood Lumber

L. SOUTHERN CYPRESS MANUFACTURERS' ASSOCIATION (SCMA):

SCMA-01 (1986) Standard Specifications for Grades of Southern Cypress

M. SOUTHERN PINE INSPECTION BUREAU (SPIB):

SPIB-01 (1977; Incl. Supplements 1 thru 12) Grading Rules

O. US DEPARTMENT OF COMMERCE, NATIONAL BUREAU OF STANDARDS (NBS),

PRODUCT STANDARD:

NBS PS 1 (1983) Construction and Industrial Plywood

P. WESTERN WOOD PRODUCTS ASSOCIATION (WWPA):

WWPA-01 (1970; Rev. 1988) Western Lumber Grading Rules

Q. WEST COAST LUMBER INSPECTION BUREAU (WCLB):

WCLB No.16 (1988) Standard Grading and Dressing Rules for Douglas Fir, Western Hemlock, Western Red Cedar, White Fir, Sitka Spruce Lumber

1.3 SUBMITTALS:

Certificates of Compliance:

Manufacturer's certificates attesting that lumber and material not normally grade-marked or exempt from being grade-marked meets the specified requirements are required. Certificate shall be submitted to and be approved by the Contracting Officer. The acceptance of label or marking shall in no way jeopardize the governments right to have lumber graded by an independent inspector when determined necessary to assure compliance.

1.4 DELIVERY AND STORAGE: Materials shall be delivered to the site in undamaged condition, stored off ground in fully covered, well ventilated areas, and protected from extreme changes in temperature and humidity.

PART 2 - PRODUCTS

2.1 LUMBER AND SHEATHING:

2.1.1 Grading and Marking: Materials shall bear the grade, mark, stamp or other identifying marks indicating grades of material and rules or standards under which produced. Such identifying marks on material shall be in accordance with the rule or standard under which the material is produced, including requirements for qualifications and authority of the inspection organization, usage of authorized identification, and information included in the identification. The inspection agency for lumber shall be certified by the Board of Review, American Lumber Standards Committee, to grade species used. Except for structural laminated members, plywood, and lumber; bundle marking will be permitted in lieu of marking each individual piece. Surfaces that are to be architecturally exposed to view shall not bear grade-marks, stamps, or other types of identifying marks.

2.1.2 Sizes: Lumber and material sizes shall conform to requirements of the rules or standards under which produced. Unless otherwise specified, lumber shall be surfaced on four sides. Size references, unless otherwise specified, are nominal sizes, and actual sizes shall be within manufacturing tolerances allowed by the standard under which the product is produced.

2.1.3 Moisture Content: At the time lumber and other materials are delivered and when installed in the work their moisture content shall be as follows:

a. Treated and Untreated Lumber, Except Roof Planking:

4 inches or less, nominal thickness 19 percent maximum

5 inches or more, nominal thickness 23 percent maximum

b. Roof Planking: 15 percent maximum

c. Materials Other Than Lumber: In accordance with standard under which product is produced.

2.1.5 Sheathing: Wall and roof deck sheathing shall be plywood or wood and shall be as follows:

2.1.5.1 Plywood: Plywood shall conform to NBS PS 1, Grade C-D with exterior glue. Sheathing for roof and walls without corner bracing of framing shall have a span rating of 16/0 or greater for supports

16 inches on center and a span rating of 24/0 or greater for supports 24 inches on center. Minimum thickness shall 1/2-inch or match existing, which ever is greater.

2.1.5.2 Wood: Species and grade shall be in accordance with TABLE I at the end of this section; center-matched, shipplapped, or square edge. Wall sheathing shall be one-inch thick for supports 16 or 24 inches on center without corner bracing of framing provided sheathing is applied diagonally. Roof sheathing shall be one-inch thick for supports 16 or 24 inches on center.

2.2 PRESERVATIVE TREATMENT: Lumber not over five inches thick and plywood when specified to be painted or used in roofing systems shall be treated using AWPA C2 methods for water borne preservatives; and AWPA C2 for all other above ground use. Except as otherwise specified, lumber over five inches thick shall be pressure preservative treated in accordance with AWPA C2. Wood and properly seasoned for use in building construction. Wood treated with water-borne preservatives shall be air-dried or kiln-dried to the moisture content specified for lumber and marked with the word "Dry".

Creosote or coal-tar solutions shall not be used. Surfaces of lumber that will be exposed shall not be incised. Oil-borne preservative shall not be used on lumber and woodwork that will be placed in contact with plaster or gypsum board. Preservatives containing water repellents shall not be used on wood to be painted. Exposed areas of treated wood that are cut or drilled after treatment shall receive a field treatment in accordance with AWPA M4. Items of all-heart material of cedar, cypress, or redwood will not require preservative treatment, except when in direct contact with soil. Unless otherwise specified for all-heart material of the previous mentioned species, the following items will always be treated:

-All wood members used in built-up roofing systems.

-All wood members set into concrete regardless of location, including flush-with-deck wood nailers for roofs.

-Nailing strips or nailers used in conjunction with roof systems.

2.3 ACCESSORIES AND NAILS: Accessories and nails shall conform to the following:

2.3.1 Bolts: Lag, Toggle, and Miscellaneous Bolts and Screws: Type, size, and finish best suited for intended use.

2.3.2 Joist Hangers: Steel or iron, zinc-coated, size to fit members where used, sufficient strength to develop the full strength of supported member, complete with any special nails required.

2.3.3 Nails and Staples: FS FF-N-105, size and type best suited for purpose. For sheathing and sub-flooring, length of nails shall be sufficient to extend one- inch into supports. In general, 8-penny or larger nails shall be used for nailing through one-inch thick lumber and for toe nailing two-inch thick lumber;

16-penny or larger nails shall be used for nailing through two-inch thick lumber. Nails used with treated lumber and sheathing shall be galvanized.

2.4 VAPOR RETARDER: Vapor retarder shall be building paper conforming to FS UU-B- 790, Type I, Grade D, style optional; asphalt-saturated felt conforming to ASTM D 2103, four-mil thick.

PART 3 - EXECUTION

3.1 INSTALLATION OF FRAMING AND MISCELLANEOUS WOOD MEMBERS

3.1.1 General: Members shall be closely fitted, accurately set to required lines and levels, and rigidly secured in place. Nailing shall be in accordance with the recommended Nailing Schedule as contained in

NFOPA-02. Where detailed nailing requirements are not specified, nail size and nail spacing shall be sufficient to develop an adequate strength for the connection without splitting the members. Installation of timber connections shall conform to applicable requirements of NFOPA-01. Members shall be framed for passage of ducts and pipes shall be cut, notched, or bored in accordance with applicable requirements of NFOPA-02. Rafters, purlins, and joists shall be set with crown edge up. Framing shall be kept at least two inches away from chimneys and four inches away from fireplace backwalls.

3.1.2 Roof Framing or Rafters: Tops of supports or rafters shall form a true plane. Valley, ridge, and hip members shall be of depth equal to cut on rafters where practicable, but in no case less than depth of rafters. Valleys, hips, and ridges shall be straight and true intersections of roof planes. Necessary crickets and watersheds shall be formed. Rafters, except hip and valley rafters, shall be (spiked to wall plate and to ceiling joists with no less than three 8-penny nails) bolted by angles. Rafters shall be toe-nailed to ridge; valley, or hip members with at least three 8-penny nails. Rafters shall be braced to prevent movement until permanent bracing, decking or sheathing is installed. Hip and valley rafters shall be secured to wall plates by clip angles. Openings in roof shall be framed with headers and trimmers.

Unless otherwise indicated, headers carrying more than two rafters and trimmers supporting headers carrying more than one rafter shall be double. Hip rafters longer than the available lumber shall be butt jointed and scabbed. Valley rafters longer than the available lumber shall be double, with pieces lapped not less than four feet and well spiked together.

3.1.3 Furring Strips: Furring strips shall be provided at the locations shown. Furring strips shall be installed at 16 inches on center unless otherwise shown, run in lengths as long as practicable, butt jointed and rigidly secured in place.

3.1.4 Rough Bucks and Frames: Rough bucks shall be set straight, true, and plumb, and secured with anchors near top and bottom of each wood member and at intermediate intervals of not more than three feet. Anchors for concrete shall be expansion bolts, and anchors for masonry shall be 3/16-inch by 1-1/4 inch steel straps extending not less than eight inches into the masonry and turned down two inches into the masonry.

3.1.5 Bridging: Wood bridging shall have ends accurately bevel-cut to afford firm contact and shall be nailed at each end with two nails. Metal bridging shall be installed as recommended by the manufacturer.

The lower ends of bridging shall be driven up tight and secured after sub flooring or roof sheathing has been laid and partition framing installed.

3.1.6 Blocking: Blocking shall be provided as necessary for application of siding, sheathing, sub flooring, wallboard, and other materials or building items, and to provide fire stopping. Blocking shall be cut to fit between framing members and rigidly nailed thereto.

3.2 INSTALLATION OF SHEATHING:

3.2.1 Plywood and Structural-Use Panels: Sheathing shall be applied with edges 1/8-inch apart at side and end joints, and nailed at supported edges at six inches on center and at intermediate supports 12 inches on center. Nailing of edges shall be 3/8-inch from the edges. Wall sheathing shall extend over top and bottom plates, and if applied horizontally, the vertical joints shall be made over supports and staggered. Wall sheathing over which wood shingles are to be applied shall be applied horizontally.

Roof sheathing shall be applied with long dimension at right angles to supports, end joints made over supports, and end joints staggered.

3.2.2

TABLE I. SPECIES AND GRADE

Sub-flooring, Roof Sheathing, Wall Sheathing, Furring

Grading Cons. No.2 No.2 No.3

Rules Species Standard Comm Board Comm Comm

NHLA-01 Cypress X

NELMA-01 Northern White Cedar X

Eastern White Pine X

Northern Pine X

Balsam Fir X

Eastern Hemlock X

Tamarack -- -- -- -- --

RIS-02 Redwood X

SCMA-01 Cypress X

SPIB-01 Southern Pine X

WCLB No.16 Douglas Fir-Larch X

Hern-Fir X

Sitka Spruce X

Mountain Hemlock X

Western Cedar X

WWPA-01 Douglas Fir-Larch X

Hem-Fir X

Idaho White Pine X

Lodgepole Pine X

Ponderosa Pine X

Sugar Pine X

Englemann Spruce X

Douglas Fir Spruce X

Mountain Hemlock X

Subalpine Fir X

Western Cedar X

TABLE II. SPECIES AND GRADE

Grading

Rules Species No. 1 No. 2

NHLA-01 Red Oak X

NELMA-01 Northern Pine X

Eastern Hemlock- Tamarack X

SPlB-01 Southern Pine X

WCLB No. 16 Douglas Fir-Larch X

WWPA-0l Douglas Fir-Larch X

Douglas Fir-South X

SECTION 07200

ROOF INSULATION

1.2 REFERENCES: The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by basic designation only.

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI A208.1 (1989) Wood Particleboard

AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)

ASTM C 208 (1972; R 1982) Insulating Board (Cellulose Fiber). Structural and Decorative

ASTM C 552 (1988) Cellular Glass Thermal Insulation

ASTM C 578 (1987; Rev. a) Preformed. Cellular Polystyrene Thermal Insulation

ASTM C 726 (1981) Mineral Fiber and Mineral Fiber. Rigid Cellular Polyurethane Composite

Roof Insulation Board

ASTM C 728 (1982) Perlite Thermal Insulation Board

ASTM D 41 (1985) Asphalt Primer Used in Roofing. Damp-proofing, and Waterproofing

ASTM D 226 (1989) Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing

ASTM D 312 (1989) Asphalt Used in Roofing

ASTM D 2178 (1988; Rev. a) Asphalt Glass Felt Used in Roofing and Waterproofing

ASTM D 2822 (1975; R 1988) Asphalt Roof Cement

ASTM D 3672 (1986) Venting Asphalt-Saturated and Coated Inorganic Felt Base Sheet Used in

Roofing

FACTORY MUTUAL ENGINEERING AND RESEARCH CORPORATION (FM)

FM-01 (1989~ Supplies. I and II) Approval Guide: A Guide to Equipment Materials and Services Approved by Factory Material Research for Property Conservation

FEDERAL SPECIFICATIONS (FS)

FS HH-I-1972/GEN. (7 Feb 91) (V Notice 1) Insulation Board. Thermal, Faced Polyurethane or

Polyisocyanurate

FS HH-I-1972/2 (7 Feb 91) (V Notice I) Insulation Board. Thermal, Polyurethane or

Polyisocyanurate Faced with Asphalt/Organic Felt, Asphalt/ Asbestos Felt or

Asphalt/Glass Fiber Felt on Both Sides of the Foam

FS HH-I-1972/3 (7 Feb 91) (V Notice I) Insulation Board. Thermal, Polyurethane or

Polyisocyanurate Faced with Perlite Insulation Board on One Side and

Asphalt/Organic Felt or Asphalt/Glass Fiber Felt on the Other Side of the Foam

UNDERWRITERS LABORATORY (UL)

UL-01 (1989) Building Materials Directory

1.3 SUBMITTALS: The following shall be submitted:

SD-44, Manufacturer's Instructions

Insulation manufacturer's recommendations shall be submitted for the installation of insulation

1.3.1 Certified Test Reports: Before delivery of materials and equipment, certified copies of the reports of all tests specified herein shall be submitted and approved. Test reports shall be accompanied by certificates from the manufacturer certifying that the tested material and equipment is of the same type, quality, manufacture, and make as that proposed to be supplied.

1.3.1.1 Test Reports: Required for the following:

Fire Hazard: Test reports indicating compliance with the fire hazard requirements of Factory

Mutual Engineering Corporation Class I roof deck assembly, or other proof of equivalent fire classification as specified under MATERIALS in paragraph "Fire Classification."

1.3.2 Data: Manufacturer's Certificate of Conformance and Catalog Data will be required for each type of insulation and other material proposed for use, and shall include printed application instructions, detailed fastening instructions, and other details, as appropriate.

1.3.3 Samples: One sample of insulation and insulation fastener shall be approved before materials are delivered to the work site. Insulation sample shall be no larger than 12 by 12 inches. Samples shall accompany other applicable documentation specified herein above.

1.4 STORAGE OF MATERIALS: Insulation base sheet, and felt shall be kept dry at all times, before, during, or after delivery to the site and if exposed to moisture, shall be permanently removed from the site. Felts shall be stacked on end one level high. Felt rolls shall be maintained at a temperature above 50 degrees Fahrenheit for 24 hours immediately before installing.

1.5 FIRE CLASSIFICATION: Insulation shall have been tested as part of a roof construction assembly of the type used in this project and the construction shall be listed as Fire-Classified in the UL-0l or Class I in

FM-01, except for installation on poured concrete decks or pre-cast concrete roof deck panels.

1.6 ENVIRONMENTAL CONDITIONS: Air temperature shall be above 40 degrees Fahrenheit and there shall be no visible ice, frost, or moisture on the roof deck when the insulation and roofing are installed.

2.1 BITUMINOUS MATERIALS: Bituminous materials shall conform to the following requirements:

2.1.1 Asphalt Bitumen: ASTM D 312, Type III or IV

2.1.2 Asphalt Cement: ASTM D 2822, Type I

2.1.3 Asphalt Primer: ASTM D 41

2.2 INSULATION: Insulation shall be a standard product of the manufacturer and shall be factory marked with the manufacturer's name or trade mark, the material specification number, the R-value at 75 degrees Fahrenheit, and the thickness. Minimum thickness shall be as recommended by the manufacturer.

Boards shall be marked individually. The thermal resistance of insulation shall be not less than the R-value shown on the drawings. Insulation shall be one of the following materials:

2.2.2 Composite Board Insulation: FS HH-I-1972/GEN or FS HH-I- 1972/3. Perlite, in composite board, may be replaced with ANSI A208 1 wood particleboard, 7/16-inch minimum thickness, provided that the composite board meets all physical requirements of FS-HH-I-1972/3.

2.2.3 Expanded-Perlite Insulation Board: ASTM C 728.

2.2.4 Fiberboard: ASTM C 208, roof-insulating board, treated with sizing, wax or bituminous impregnation. Bituminous impregnation shall be limited to four percent by weight when used over steel decks.

2.2.5 Polyisocyanurate: FS HH-I-I972/GEN or FS HH-I-1972/2, Class 1.

2.2.6 Mineral-Fiber Insulation Board: ASTM C 726.

2.2.9 Polystyrene: ASTM C 578, Type I, II, IV, or X.

2.3 NAILS AND FASTENERS: Nails and fasteners shall conform to insulation manufacturer's recommendations.

2.4 VENTING INORGANIC BASE SHEET: ASTM D 3672, Type II, Un-perforated, with spot mopping holes where specified.

2.5 GLASS ROOFING FELT: ASTM D 2178, Type IV

3.1 INSTALLATION: Insulation shall be installed in accordance with recommendations of manufacturer or the National Roofing Contractor's Association.

3.2 INSULATION: The insulation shall be kept dry at all times. Insulation boards shall not be kicked into position. Exposed edges of the insulation shall be protected by cutoffs at the end of each workday or whenever precipitation is imminent. Cutoffs shall be two layers of bituminous-saturated felt set in plastic bituminous cement. Cutoffs shall be removed when work is resumed. Edges of insulation at open spaces between insulation and parapets or other walls and spaces at curbs, scuttles, and expansion joints, shall be protected until permanent roofing and flashing is applied. Storing, walking, wheeling, or trucking directly on insulation or on roofed surfaces will not be permitted. Smooth, clean board or plank walkways, runways, and platforms shall be used, as necessary to distribute weight.

3.3 INSULATION THICKNESS: Shall be as specified by the Contracting Officer except that for application over steel decks the insulation underlayment thickness shall satisfy both the specified thickness and the minimum thickness for rib coverage.

SECTION 07300

ROOFING SHINGLES

1.1 APPLICABLE PUBLICATIONS: The following publications of the issues listed below, but referred to thereafter by basic designation only, form a part of this specification to the extent indicated by the references thereto:

A. Federal Specifications (Fed. Spec.):

FF-N-105B 27 Apr 87 Nails, Brads, Staples, and Spikes: Wire, Cut and Wrought

SS-C-153C 13 Dec 74 Cement, Bituminous, Plastic

SS-R-630D(2) 12 Nov 71 Roofing Felt (Roll, Asphalt-Prepared, Mineral Surfaced)

TT -P-19C(2) 7 Feb 85 Paint, Acrylic Emulsion: Exterior

TT -P-25E(2) 23 Jun 77 Primer Coating, Exterior Undercoat for Wood, Ready Mixed, White and Tints

B. American Society for Testing and Materials (ASTM) Specifications:

A 361-85 1994 Steel Sheet, Zinc-Coated (Galvanized) by the Hot Dip Process for Roofing and Siding

D 3018-90 1990 Class A Asphalt Shingles Surfaced with Mineral Granules

D 226-89 1989 Asphalt-Saturated Organic Felt used in Roofing and

Waterproofing

1.2 DELIVERY AND STORAGE OF MATERIALS: Deliver the materials to building site in manufacturer's unopened bundles and containers with the manufacturer's brand and name marked clearly thereon. Keep materials dry, covered completely and protected from the weather.

1.3 SAMPLES AND DESCRIPTIVE DATA: Before delivery of any shingle roofing materials to building site, submit the following samples for approval.

a. Asphalt Shingles: Two (2) samples of each type and color.

b. Asphalt Saturated Felt: Width of roll by 12 inches; three pieces.

c. Mineral-Surfaced Roll Roofing: Width of roll by 12 inches; three pieces.

d. Nails and Fasteners: Three of each type and size.

e. Plastic Bituminous Cement: One quart.

f. Flashing, Gutter, Downspout, and Drip-Edge: Two samples 12 inches long of each indicating material properties and color.

1.4 ASPHALT SHINGLE ROOFING MATERIALS: Materials shall conform to the following specifications and requirements.

a. Mineral Surfaced Asphalt Strip Shingles: Shingles shall have a glass fiber mat base with a mineral granule surface and shall be normal weight, approximately 210 Lbs/square. They shall be in conformance with ASTM D 3018, Type I-Self Sealing. Provide square butt style shingles of uniform thickness, or thick butt type. Shingles shall be three-tab type, 12 by 36 inches, except for hips and ridges or as otherwise specified. All shingles shall be self-sealing type, with a factory applied adhesive for sealing. Shingles shall meet requirements for Class A Wind-Resistant Shingles; label of UL will be accepted as evidence of conformity to this requirement. In lieu of this label, a test report from a nationally recognized and adequately equipped laboratory, competent to perform such services, certifying that the shingles have been tested and the tested shingles conform to the standards of the UL, including the Standard for Wind Resistance of Prepared Roof Covering Materials, may be submitted. Colors of shingles will be selected by the Contracting Officer from contractor's submittals of manufacturer's standard colors.

b. Asphalt-Saturated Felt shall conform to ASTM D 226, No 15. It shall be cellulose fiber building paper, water repellent, breathable, and un-perforated.

c. Mineral-Surfaced Asphalt Roll Roofing shall conform to Fed. Spec. SS-R-630, Class 2. Color shall match the required shingles.

d. Nails for Applying Shingles and Asphalt-Saturated Felt: Nails for shingles shall be hot-dipped galvanized steel with sharp points and flat heads 3/8-inch to 7/16-inch in diameter. Steel nails shall be at least 0.105-inch and not more than 0.135 inch outside diameter. Nails for fastening asphalt-saturated felt shall conform to Fed. Spec. FF-N-105, Type II, Style 20. Length shall be sufficient to penetrate shingles, felts, and wood deck.

e. Plastic Bituminous Cement shall conform to Fed. Spec. SS-C-153, Type I (Asphalt Base). It shall be asphaltic-type with mineral fiber components, free of toxic solvents, and capable of setting within

24 hours at temperatures of approximately 75 degrees Fahrenheit and 50% relative humidity.

1.5 PREPARATION OF SURFACES: All existing roofing materials except metal drip shall be removed down to the plywood. Do not apply any roofing on decks that will prevent a satisfactory application.

Damaged decking and deteriorated drip shall be replaced as directed by the Contracting Officer.

Contractor shall ensure that roof surfaces are smooth, clean, firm, dry, and free from loose boards and knots, large cracks, roofing nails, and projected ends that might injure the roofing. Vents and other projections through roofs shall be properly flashed and secured in position, and projecting nails shall be driven firmly home. Roof jacks or abandoned stacks shall be removed below sheathing and these holes and any other cracks or knotholes shall be patched with #22-gauge galvanized steel.

1.6 FLASHING:

a. Form flashing to protect roof assembly and shed water. Form sections square, true, and accurate to profile, in maximum possible lengths, free from distortion and other defects detrimental to appearance or performance. Apply bituminous cement on concealed surfaces of flashing.

b. Weather Lap-joints a minimum of two inches and seal weather-tight with plastic cement.

Secure in place with nails and conceal fastenings.

c. Flash and seal vents projecting through or mounted on roofing with plastic cement. Provide weather-tight installation at all perforations and flashing. Projecting vents shall have vent caps attached to the top to keep moisture out. The contractor shall replace these to match the dimensions and configurations of those that are existing to remain. The material shall be as specified in paragraph 7.04.f, and the vent caps shall be installed in a manner matching methods employed in adjacent, similar situations.

1.7 APPLICATION OF ASPHALT SHINGLE ROOFING ON SLOPES:

a. Apply one layer of asphalt saturated felt underlayment specified herein before over the roof deck. Felt shall be laid parallel to eaves, perpendicular to the slope. The first full course shall completely overlap the starter course and 17 inches of deck above it. Continue laying full width courses up the slope with ends and edges weather lapped a minimum of four inches. End laps of consecutive layer shall be staggered and felts shall be nailed sufficiently to deck to hold them in place until shingles are applied.

Hips and ridges shall have a full course of underlayment centered over them. Weather lap and seal all items projecting through or mounted on the roofs with felts and plastic cement. Apply the metal edge flashing on the gable roof rake edges over the underlayment.

b. Apply shingle starter strips at the eaves; they shall consist of one full course of strip shingles laid with the cutout reversed, at the higher side. The starter strip shall be projected 3/4-inch beyond the projecting edge of the eave edge flashing to form a drip. Fasten the starter strip in place with one row of nails located 1-1/2 inches above the lower edge and spaced three inches on centers. The next course of shingles shall be laid directly on top of the starter course, flush with the drip edge, and extending 3/4-inch beyond the projecting edge of the metal edge flashing at the gable roof rake edges. Continue up the slope of the roof with additional courses, placing shingles in straight courses, properly aligned, centering cutouts on tabs of courses below them, with weather exposure to produce a double thickness over the entire roof area, nailing each shingle from the end adjoining the previously applied shingle and in accordance with nailing method previously specified. Provide a two-inch head-lap and after nailing, press each tab firmly in place into the factory-applied sealant over its entire area.

1.8 HIPS AND RIDGES: Form hips and ridges with 9-inch and 12-inch individual shingles, with 12-inch by 12-inch shingles cut from 12-inch by 36-inch strip shingles, or with 10-inch by 12-inch shingles cut from 10-inch by 36-inch strip shingles. Bend shingles lengthwise down the center with equal exposure on each side of hip or ridge. Lap shingles to provide not more than five-inch exposure from butt, and nail in unexposed area 5-1/2 inches from the butt and one-inch vertically from the edge. Reuse existing sheet metal valley flashing.

1.9 VALLEYS: Furnish and install for the full length of valley, a 36-inch wide strip of mineral surfaced asphalt roll roofing, of color to match and blend with the asphalt shingles being used. Center the strip in the valley and lay it with the granular strip exposed, over the underlayment specified herein before. Nail the strip at 18 inches on center and one-inch from each edge to hold it in place smoothly. As nailing along the second side proceeds, press the strip firmly into the valley. As shingles are applied, create a closed valley by lapping the courses on the intersection surfaces over one another in the valley. The end shingle from each surface shall project a minimum of 12 inches beyond the valley centerline onto the intersecting surface. When nailing shingles in this closed valley system, no nail may be driven within six inches of the valley centerline and an extra nail shall be driven at the extended end, halfway up the shingle.

1.10 GUTTERS, DOWNSPOUTS, AND DRIP-EDGE: Damaged, missing, or deteriorated gutters, downspouts, and drip-edges shall be replaced as directed by the Contracting Officer. That which is existing on eave edges and is not damaged or deteriorated may be reused if they conform to the material specified herein. All end caps, joints, splice's, straps, hangers, elbows, and strainers shall be included with the gutters. All required metal gutters, downspouts, and accessories shall be aluminum 0.040 inches thick and shall match existing in size, shape and finish color; required drip edges shall be #24-gauge thick steel with a minimum of 1.25 oz/sq-ft galvanized coating; and all components shall match the existing cross-sectional configurations, and be approved by the Contracting Officer. Payment for gutters, downspouts, and drip-edges shall be made in accordance with the contract bid schedule. All loose gutters and downspouts shall be re-secured in a manner that is equal to the existing method and to the satisfaction of the Contracting Officer.

1.11 FASCIA, SUB-FASCIA, SOFFITS, DRIP-CAPS, AND TRIM: Damaged, missing, or deteriorated fascia, sub-fascia, soffits, drip-caps, and trim shall be replaced and painted to match the existing materials, dimensions, and configurations, and as directed by the Contracting Officer.