1255N918Q0013_J1.pdf

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REMOVAL & INSTALLATION OF ROOF SHINGLES
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Iron Furnace / Vesuvious Roof Replacements

DEPARTMENT OF AGRICULTURE

UNITED STATES FOREST SERVICE

REGION 9

WAYNE NATIONAL FOREST

Iron Furnace / Vesuvious

Roof Replacements Project Specifications

Ironton Ranger District

Lawrence County, Ohio

SECTION 00150

LIST OF DRAWINGS AND SPECIFICATIONS

PART 1 – GENERAL

1.1 DESCRIPTION

A. List of Contract Drawings:

1. Index of Sheets:

1 of 3 Cover Sheet 2 of 3 Plan View 3 of 3 Details

3 Total Plan Sheets in this Contract

B. List of Contract Specifications

1. Index of Specifications

DIVISION 1 - GENERAL

REQUIREMENTS

Section 00150 List of Drawings and Specifications Section 01010 Summary of Work Section 01025 Definition of Bid Items & Measurements &

Payment Section 01140 Work Restrictions Section 01170 Accident Prevention Section 01330 Submittal Procedures

DIVISION 6 – WOOD AND PLASTICS

Section 06100 Rough Carpentry

DIVISION 7 – THERMAL AND

MOISTURE PROTECTION

Section 07311 Asphalt Shingles Section 07720 Roof Accessories

DEFINITION OF BID ITEMS

AND

MEASUREMENT AND PAYMENT

PART 1 - GENERAL

SUMMARY

The intent of this section is to explain, in general; what is and what is not included in a bid item; the limits or cut-off points where one bid item ends and another begins; and method of measurements and basis of payment for work items listed in the Bid Item Schedule.

Work:

Furnishing all labor, materials, equipment, and other incidentals necessary to successfully complete the project or any portion of it, and carrying out all duties and obligations imposed by the contract on the Contractor.

Payment:

For each individual item listed here and in the Schedule of Items, payment shall be full compensation for all work related to the particular item in accordance with these specifications, as shown on the drawings, and as staked in the field.

Measurement and payment for contract work shall be made only for and under those pay items included in the Schedule of Items. All other work and materials shall be considered incidental or as included in the payment for items shown.

DETERMINATION OF QUANTITIES

The contractor shall perform, or cause to be performed, all measurement of quantities of materials incorporated into the work processes that are to be measured under the provisions of the contract.

Quantity Measurements:

The Contractor shall make all measurements for computation of quantities for all work items except those specified for payment by Lump Sum Quantity (LSQ).

The contractor shall compute the quantities for periodic progress payments; the Contracting Officer shall compute the quantities for the final payment based on measurements taken by the Contractor.

All Contractor measurements are subject to verification.

The Contractor shall submit all field notes, calculation sheets, and other data used to determine quantities.

The Contractor shall certify in writing as to the accuracy of the measurements and computations submitted.

UNITS OF MEASUREMENT

Payment shall be by units defined and determined according to U.S. Standard measure and by the following:

Each: One complete unit, which may consist of one or more parts.

Square Foot: Linear feet measured width by length of both side of the gable roof.

DEFINITION OF BID ITEMS

Definition of Bid Item No. 1 Description: Mobilization is for moving all necessary equipment and supplies to the project site. Also included is all demobilization and final clean up. All required permits are also included in Mobilization.

Measurement and payment: LSQ

Definition Bid Item No. 2

Description: All labor and materials to replace the existing shingles. This includes but is not limited to: felt paper, asphalt architectural shingles, drip edge and ridge cap.

Measurements and Payment: SF

Definition Bid Item No. 3

Description: All labor and incidentals for removing and disposing of existing shingles, felt paper, drip edge, and rotted roof boards. This Included but is not limited to:

roll off container rentals, hauling or dump fees, or all other associated fees.

Measurements and Payment: SF

Definition Bid Item No. 4

Description: All labor and materials needed to replace rotted wood roof boards.

Measurements and Payment: SF

PART 2 - METHOD OF MEASUREMENT

GENERAL

One of the following methods of measurement for determining final payment is designated on the Schedule of Items for each pay item:

DESIGNED QUANTITIES (DQ)

These quantities denote the final number or units to be paid for under the terms of the contract. They are based upon the original design data available prior to advertising the project. Original design data include the preliminary survey information, design assumptions, calculations, drawings, and the presentation in the contract. Changes in the number of units shown in the Schedule of Items may be authorized under any of the following conditions:

As a result of changes in the work authorized by the CO.

As a result of the CO determining that errors exist in the original design that cause a pay item quantity to change by 15 percent or more.

As a result of the Contractor submitting to the CO a written request showing evidence of errors in the original design that cause a pay item quantity to change by 15 percent or more. The evidence must be verifiable and consist of calculations, drawings, or other data that show how the designed quantity is believed to be in error.

ACTUAL QUANTITIES (AQ)

These estimated quantities which are determined from actual measurements of completed work.

LUMP SUM QUANTITIES (LSQ)

These quantities denote one complete unit of work as required by or described in the contract, including necessary materials, equipment, and labor to complete the job. They shall not be measured.

END OF SECTION 01025

SECTION 01140

WORK RESTRICTIONS

PART 1-GENERAL

USE OF PREMISES

Use of Site: Limit use of premises to work in areas indicated. Do not disturb portions of site beyond areas in which the Work is indicated.

Limits: Confine constructions operations to the shelter and nearby locations for storage of materials and roll off container/ dump truck.

Government Occupancy: Allow for Government occupancy of site and limit access to public in the immediate construction site.

Driveways and Entrances: Keep driveways and entrances serving premises clear and available to Occupants, Government employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

Schedule deliveries to minimize use of driveways and entrances.

Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site.

END OF SECTION 01140

SECTION 01170

ACCIDENT PREVENTION

PART 1 - GENERAL

1.1 DESCRIPTION

A. The work of this section consists of establishing an effective accident prevention program and providing a safe environment for all personnel and visitors.

1.2 SUBMITTALS

A. Accident Prevention Program: Before on-site work begins, submit for approval an accident prevention program. The Contracting Officer (CO) will review the proposed program for compliance with OSHA and project requirements. If the program requires any revisions or corrections, the Contractor shall resubmit the program within 10 days. No progress payments will be processed until the program is approved. The program shall include:

1. Name of responsible supervisor to carry out the program.

2. Weekly and monthly safety meetings.

3. First aid procedures.

4. Outline of each phase of the work, the hazards associated with each major phase, and the methods proposed to ensure property protection and safety of the public, government personnel, and the Contractor's employees. Identify the work included under each phase by reference to specification section or division numbers.

5. Training, both initial and continuing.

6. Planning for possible emergency situations, such as floods, fires, cave-ins, slides, explosions, power outages, and wind storms. Such planning shall take into consideration the nature of construction, site conditions, and degree of exposure of persons and property.

B. Submit a brief report of safety meetings and of inspections.

C. Upon request, submit proof of employees' qualifications to perform assigned duties in a safe manner.

1.3 QUALITY ASSURANCE

A. Clauses entitled "Accident Prevention" and "Permits and Responsibilities" of the General Provisions. In case of conflicts between Federal, state, and local safety and health requirements, the most stringent shall apply. Equipment or tools not meeting OSHA requirements will not be allowed on the project sites. Failure to comply with the requirements of this section and related sections may result in suspension of work.

B. Qualifications of Employees

1. Ensure that employees are physically qualified to perform their assigned duties in a safe manner.

2. To as great an extent as possible, do not allow employees to work whose ability or alertness is impaired because of drugs, fatigue, illness, intoxication, or other conditions that may expose themselves or others to injury.

3. Operators of vehicles, mobile equipment, hoisting equipment, and hazardous plant equipment shall be able to understand signs, signals, and operating instructions, and be capable of operating such equipment. Provide operating instructions for all equipment. Newly hired operators shall be individually tested by an experienced operator or supervisor to determine if they are capable of safely operating equipment.

1.4 ACCIDENT REPORTING

A. Reportable Accidents: A reportable accident is defined as death, occupational disease, traumatic injury to employees or the public, property damage by accident in excess of $100, and fires. Within 7 days of a reportable accident, fill out and forward to the CO a DI-134 form, which may be obtained from CO.

B. All Other Accidents: The Contractor shall report all other accidents to the CO as soon as possible and assist the CO and other officials as required in the investigation of the accident.

PART 2 – PRODUCTS

2.1 FIRST AID FACILITIES: provide adequate facilities for the number of employees and the type of construction at the site.

2.2 PERSONNEL PROTECTIVE EQUIPMENT: meet requirements of NIOSH and MSHA, where applicable, as well as ANSI.

2.3 BARRIERS: see division 1 section “Temporary Facilities and Controls” for barriers.

PART 3 – EXECUTION

3.1 EMERGENCY INSTRUCTIONS: post telephone numbers and reporting instructions for ambulance, physician, hospital, fire department, and police in conspicuous locations at the work site.

3.2 ESCAPE ROUTES: provide and maintain adequate escape routes at all times in accordance with the Life Safety Code (NFPA 101-91). No corridor, aisle, stairway, door, or exit shall be obstructed or used in a manner that interferes with escape routes.

3.3 PROTECTIVE EQUIPMENT

A. Inspect personal protective equipment daily and maintain in a serviceable condition.

Clean, sanitize, and repair, as appropriate, personal items before issuing them to another individual.

B. Inspect and maintain other protective equipment and devices before use and on a periodic basis to ensure safe operation.

3.4 SAFETY MEETINGS

A. As a minimum, conduct weekly 15-minute "toolbox" safety meetings. These meetings shall be conducted by a foreman and attended by all construction personnel at the worksite.

B. Conduct monthly safety meetings for all levels of supervision. Notify the CO so that he may attend. These meetings shall be used to review the effectiveness of the Contractor's safety effort, to resolve current health and safety problems, to provide a forum for planning safe construction activities, and for updating the accident prevention program. The CO will enter the results of the meetings into his daily log.

3.5 HARD HATS AND PROTECTIVE EQUIPMENT AREAS

A. A hard hat area will be designated by the CO. The hard hat area shall be posted by the Contractor in a manner satisfactory to the CO.

B. It is the Contractor's responsibility to require all those working on or visiting the site to wear hard hats and other necessary protective equipment at all times. As a minimum, provide six hard hats for use by visitors. Change liners before reissuing hats.

3.6 TRAINING

A. First Aid: Provide adequate training to ensure prompt and efficient first aid.

END OF SECTION 01170

SECTION 01330

SUBMITTAL PROCEDURES

PART 1- GENERAL

SUMMARY

This Section includes administrative and procedural requirements for submitting Product Data, Samples, and other miscellaneous submittals.

DEFINITIONS

Action Submittals: Written and graphic information that requires Contracting Officer’s (CO's) responsive action.

Informational Submittals: Written information that does not require CO's approval.

Submittals may be rejected for not complying with requirements.

SUBMITTAL PROCEDURES

Coordination: Coordinate preparation and processing of submittals with performance of construction activities.

Coordinate transmittal of different types of submittals for related parts of the Work so processing will not be delayed because of need to review submittals concurrently for coordination.

CO reserves the right to withhold action on a submittal requiring coordination with other submittals until related submittals are received.

Processing Time: Allow enough time for submittal review, including time for resubmittals, as follows. Time for review shall commence on CO's receipt of submittal.

Initial Review: Allow 2 days for initial review of each submittal. Allow additional time if processing must be delayed to permit coordination with subsequent submittals. CO will advise Contractor when a submittal being processed must be delayed for coordination.

If intermediate submittal is necessary, process it in same manner as initial submittal.

Allow 2 days for processing each resubmittal.

No extension of the Contract Time will be authorized because of failure to transmit submittals enough in advance of the Work to permit processing.

PART 2 – PRODUCTS

ACTION SUBMITTALS

Product Data: Collect information into a single submittal for each element of construction and type of product or equipment.

If information must be specially prepared for submittal because standard printed data are not suitable for use, submit as Shop Drawings, not as Product Data.

Mark each copy of each submittal to show which products and options are applicable.

Include the following information, as applicable:

Manufacturer's written recommendations.

Manufacturer's product specifications.

Manufacturer's installation instructions.

Manufacturer's catalog cuts.

Compliance with recognized trade association standards.

Compliance with recognized testing agency standards.

Samples: Prepare physical units of materials or products, including the following:

Samples for Initial Selection: Submit manufacturer's color charts consisting of units or sections of units showing the full range of colors, textures, and patterns available.

Contractor's Construction Schedule:

The following submittal is required following award of contract for review and/or approval pursuant to contract provisions:

Item Description Copies Required References Cost breakdown schedule listing main types of work and totaling amount of contract

1 FAR 52.232-05

Manufacturer's Instructions: Prepare written or published information that documents manufacturer's recommendations, guidelines, and procedures for installing or operating a product or equipment. Include name of product and name, address, and telephone number of manufacturer.

PART 3 – EXECUTION

GENERAL

Review each submittal and check for compliance with the Contract Documents. Note corrections and field dimensions. Mark with approval stamp before submitting to CO.

END OF SECTION 01330

SECTION 06100

ROUGH CARPENTRY

PART 1 - GENERAL

SUMMARY

This Section includes the following:

Wood sheathing.

SUBMITTALS

Product Data: For each type of wood product that matches existing material.

Include sample for visual inspection

PART 2 - PRODUCTS

WOOD PRODUCTS, GENERAL

Lumber: DOC PS 20 and applicable rules of lumber grading agencies certified by the American Lumber Standards Committee Board of Review.

Factory mark each piece of lumber with grade stamp of grading agency.

For exposed lumber indicated to receive stained or natural finish, mark grade stamp on end or back of each piece, or omit grade stamp and provide certificates of grade compliance issued by grading agency.

Exposed Framing: Hand select material for uniformity of appearance and freedom from characteristics that would impair finish appearance.

Species and Grade: Hem-fir or Hem-fir (north), grade; NLGA, WCLIB, or WWPA – saw texture.

Species and Grade: Spruce-pine-fir or Spruce-pine-fir (south), grade; NELMA, NLGA, WCLIB, or WWPA – saw texture.

Redwood, clear all heart grade per RIS rules.

Cedar, “A” grade, saw texture, per western red cedar rules.

MISCELLANEOUS MATERIALS

Fasteners:

Comply with manufacturers recommendations for each application.

Building Paper: Asphalt-saturated organic felt complying with ASTM D 226, Type I (No. 15 asphalt felt), unperforated.

Roof Planking: 2”x6” or 2”x8” T&G Southern Yellow Pine.

PART 3 - EXECUTION

INSTALLATION

Securely attach rough carpentry work to substrate by anchoring and fastening as indicated, complying with the following:

Table 23-II-B-1, "Nailing Schedule," and Table 23-II-B-2, "Wood Structural Panel Roof Sheathing Nailing Schedule," in the Uniform Building Code.

Fastening Methods:

Roof planking: Nail to wood framing.

Apply building paper horizontally with 2-inch (50-mm) overlap and 6-inch (150-mm) end lap; fasten to sheathing with galvanized staples or roofing nails. Cover upstanding flashing with 4-inch (102-mm) overlap.

END OF SECTION 06100

SECTION 07311

ASPHALT SHINGLES

PART 1 – GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

Asphalt shingles.

Felt underlayment.

B. Related Sections include the following:

1. Divison 6 Section “Rough Carpentry” for roof deck wood structural panels.

2. Division 7 Section “Roof Accessories” for ridge vents, hatches, and roof penetrations.

1.3 DEFINITIONS

A. Roofing Terminology: Refer to ASTM D 1079 and glossary of NRCA’s “The NRCA Roofing and Waterproofing Manual” for definitions of terms related to roofing work in this Section.

1.4 SUBMITTALS

A. Product Data: For each product indicated.

B. Samples for Initial Selection: For each type of asphalt shingles, ridge and hip cap shingles, and ridge vent indicated.

1. Include similar Samples of trim and accessories involving color selection.

C. Samples for verification: For the following products, of sizes indicated, to verify color selected.

1. Asphalt Shingle: Full-size asphalt shingle strip.

2. Ridge and Hip Cap Shingles: Full-size ridge and hip cap asphalt shingle.

D. Maintenance Data: For asphalt shingles to include in maintenance manuals.

E. Warranties: Special warranties specified in this Section.

1.5 QUALITY ASSURANCE

A. Source Limitations: Obtain ridge and hip cap shingles ridge vents, felt underlayment through one source from a single asphalt shingle manufacturer.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Store roofing materials in a dry, well-ventilated, weathertight location according to asphalt shingle manufacturer’s written instructions. Store underlayment rolls on end on pallets or other raised surfaces. Do not double-stack rolls.

1. Handle, store, and place roofing materials in a manner to avoid significant or permanent damage to roof deck or structural supporting members.

B. Protect unused underlayment from weather, sunlight, and moisture when left overnight or when roofing work is not in progress.

1.7 PROJECT CONDITIONS

A. Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit asphalt shingle roofing to be performed according to manufacturers’ written instructions and warranty requirements.

1.8 WARRANTY

A. Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace asphalt shingles that fail in materials or workmanship within specified warranty period. Materials failures include manufacturing defects and failure of asphalt shingles to self-seal after a reasonable time.

1. Material Warranty Period: 40 years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1 GLASS-FIBER-REINFORCED ASPHALT SHINGLES

A. Laminated-Strip Asphalt Shingles: ASTM D 3462, laminated, multi-ply overlay construction, glass-fiber reinforced, mineral-granule surfaced, and self-sealing.

1. Products:

a. Owens Corning; TruDefinition OAKRIDGE SHINGLES

2. Butt Edge: Straight cut.

3. Strip Size: Manufacturer’s standard.

4. Color and Blends: Brownwood color

a. Iron Furnace /Vesuvious Picnic Shelters / Restroom Roof Replacement

Included below is natural color shingles required for the for the roof replacements. The specified shingles are equal to 3 bundles/ 100sq. ft. of roof coverage.

Specified Shingles:

OWENS CORNING: Brownwood 40 year warranty

2.2 UNDERLAYMENT MATERIALS

A. Felts: [ASTM D 226] [or] [ASTM D 4869], Type [I] [II], asphalt-saturated organic felts, nonperforated.

1. Available Products:

a. Carlisle Coatings & Waterproofing, Div. Have Carlisle Co. Inc.; Dri-Start

“A”

b. Grace, W.R. & Co.; Grace Ice and Water Shield

c. Henry Company; Perma-Seal PE

d. Johns Manville International, Inc.; Roof Defender.

e. NEI Advanced Composite technology; AC Poly Ice and StormSeal

f. Owens Corning; WeatherLock M.

g. Polyguard products, Inc.; Polyguard Deck Guard.

h. Protector Wrap Company; Rainproof TM

i. SafSeal Innovations; SafSeal 7740

2.3 ACCESSORIES

A. Asphalt Roofing Cement: ASTM D 4586, Type II, asbestos free.

B. Roofing Nails: ASTM F 1667; aluminum, stainless-steel, copper, or hot-dip galvanized steel wire shingle nails, minimum 0.120-inch- (3-mm-) diameter, barbed or smooth shank, sharp-pointed, with a minimum 3/8-inch- (9.5-mm-) diameter flat head and of sufficient length to penetrate 3/4 inch (19 mm) into solid wood decking or extend at least 1/8 inch (3 mm) through OSB or plywood sheathing.

1. Where nails are in contact with metal flashing, use nails made from same metal as flashing.

C. Felt Underlayment Nails: Aluminum, stainless-steel, or hot-dip galvanized steel wire with low profile capped heads or disc caps, 1-inch (25-mm) minimum diameter.

2.4 METAL FLASHING AND TRIM

1. Drip Edges: Fabricate in lengths not exceeding 10 feet (3m) with 2-inch (50

mm) roof deck flange and 1-1/2 inch (38 mm) fascia flange with 3/8 inch (9.6

mm) drip at lower edge.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrate, areas, and conditions, with Installer present, for compliance with requirements for installation tolerance and other conditions affecting performance of work.

1. Examine roof sheathing to verify that sheathing joints are supported by framing and blocking or metal clips and that installation is within flatness tolerances.

2. Verify that substrate is sound, dry, smooth clean, sloped for drainage, and completely anchored; and that provision has been made for flashing and penetrations through asphalt shingles.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 UNDERLAYMENT INSTALLATION

A. Single-Layer Felt Underlayment: Install single layer of felt underlayment on roof deck perpendicular to roof slope in parallel courses. Lap sides a minimum of 2 inches (50 mm) over underlying course. Lap ends a minimum of 4 inches (100 mm).

Stagger end laps between succeeding courses at least 72 inches (1830 mm). Fasten with [felt underlayment] [roofing] nails.

3.3 A TRUCK OR 2METAL FLASHING INSTALLATION

A. General: Install metal flashings and other sheet metal to comply with requirements in Division 7 Section "Sheet Metal Flashing and Trim."

1. Install metal flashings according to recommendations in ARMA's "Residential Asphalt Roofing Manual" and asphalt shingle recommendations in NRCA's "The NRCA Roofing and Waterproofing Manual."

B. Rake Drip Edges: Install rake drip edge flashings over underlayment and fasten to roof deck.

C. Eave Drip Edges: Install eave drip edge flashings below underlayment and fasten to roof sheathing.

3.4 ASPHALT SHINGLE INSTALLATION

A. Install asphalt shingles according to manufacturer's written instructions, recommendations in ARMA's "Residential Asphalt Roofing Manual," and asphalt shingle recommendations in NRCA's "The NRCA Roofing and Waterproofing Manual."

B. Install starter strip along lowest roof edge, consisting of an asphalt shingle strip with self-sealing strip face up at roof edge.

1. Extend asphalt shingles [1/2 inch (13 mm)] over fascia at eaves and rakes.

2. Install starter strip along rake edge.

C. Install first and remaining courses of asphalt shingles stair stepping diagonally across roof deck with manufacturer's offset pattern at succeeding courses, maintaining uniform exposure.

D. Fasten asphalt shingle strips with a minimum of five roofing nails located according to manufacturer’s written instructions.

1. When ambient temperature during installation is below [50 deg F (10 deg C), seal asphalt shingles with asphalt roofing cement spots.

E. Ridge Cap Shingles: Maintain same exposure of cap shingles as roofing shingle exposure. Lap cap shingles at ridges to shed water away from direction of prevailing winds. Fasten with roofing nails of sufficient length to penetrate sheathing.

1. Fasten ridge cap asphalt shingles to cover ridge vent without obstructing airflow.

END OF SECTION 07311

SECTION 07720

ROOF ACCESSORIES

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Equipment supports.

2. Ridge vents.

1.2 SUBMITTALS

A. Product Data: For each product indicated.

B. Samples: For each exposed finish.

1.3 QUALITY ASSURANCE

A. Standards: Comply with the following:

1. SMACNA's "Architectural Sheet Metal Manual" details for fabrication of units, including flanges and cap flashing to coordinate with type of roofing indicated.

2. NRCA's "Roofing and Waterproofing Manual" details for installing units.

PART 2 - PRODUCTS

2.1MATERIALS

A. Aluminum:

1. Sheet: ASTM B 209 (ASTM B 209M) for alclad alloy 3005H25 or alloy and temper required to suit forming operations, with mill finish, unless otherwise indicated.

2. Extrusions: ASTM B 221 (ASTM B 221M) alloy 6063-T52 or alloy and temper required to suit structural and finish requirements, with mill finish, unless otherwise indicated.

B. Wood Nailers: Softwood lumber, pressure treated with waterborne preservatives for aboveground use, complying with AWPA C2; not less than 1-1/2 inches (38 mm) thick.

C. Fasteners: Same metal as metals being fastened, or nonmagnetic stainless steel or other noncorrosive metal as recommended by manufacturer. Match finish of exposed fasteners with finish of material being fastened.

D. Roofing Cement: ASTM D 4586, non-asbestos, fibrated asphalt cement designed for trowel application or other adhesive compatible with roofing system.

PART 3 - EXECUTION

3.1 INSTALLATION

A. General: Coordinate installation of roof accessories with installation of roof deck, roof insulation, flashing, roofing membranes, penetrations, equipment, and other construction to ensure that combined elements are waterproof and weathertight.

Anchor roof accessories securely to supporting structural substrates so they are capable of withstanding lateral and thermal stresses, and inward and outward loading pressures.

END OF SECTION 07720

Total Plan Sheets in this Contract
summary
The intent of this section is to explain, in general; what is and what is not included in a bid item; the limits or cut-off points where one bid item ends and another begins; and method of measurements and basis of payment for work items listed in the...
Work:
Furnishing all labor, materials, equipment, and other incidentals necessary to successfully complete the project or any portion of it, and carrying out all duties and obligations imposed by the contract on the Contractor.
Payment:
For each individual item listed here and in the Schedule of Items, payment shall be full compensation for all work related to the particular item in accordance with these specifications, as shown on the drawings, and as staked in the field.
Measurement and payment for contract work shall be made only for and under those pay items included in the Schedule of Items. All other work and materials shall be considered incidental or as included in the payment for items shown.
DETERMINATION OF QUANTITIES
The contractor shall perform, or cause to be performed, all measurement of quantities of materials incorporated into the work processes that are to be measured under the provisions of the contract.
Quantity Measurements:
The Contractor shall make all measurements for computation of quantities for all work items except those specified for payment by Lump Sum Quantity (LSQ).
The contractor shall compute the quantities for periodic progress payments; the Contracting Officer shall compute the quantities for the final payment based on measurements taken by the Contractor.
All Contractor measurements are subject to verification.
The Contractor shall submit all field notes, calculation sheets, and other data used to determine quantities.
The Contractor shall certify in writing as to the accuracy of the measurements and computations submitted.
UNITS OF MEASUREMENT
Payment shall be by units defined and determined according to U.S. Standard measure and by the following:
Each: One complete unit, which may consist of one or more parts.
Square Foot: Linear feet measured width by length of both side of the gable roof.
deFINItion of bid items
Definition of Bid Item No. 1
Description: Mobilization is for moving all necessary equipment and supplies to the project site. Also included is all demobilization and final clean up. All required permits are also included in Mobilization.
Measurement and payment: LSQ
Definition Bid Item No. 2
Description: All labor and materials to replace the existing shingles. This includes but is not limited to: felt paper, asphalt architectural shingles, drip edge and ridge cap.
Measurements and Payment: SF
Definition Bid Item No. 3
Description: All labor and incidentals for removing and disposing of existing shingles, felt paper, drip edge, and rotted roof boards. This Included but is not limited to: roll off container rentals, hauling or dump fees, or all other associated fees.
Measurements and Payment: SF
Definition Bid Item No. 4
Description: All labor and materials needed to replace rotted wood roof boards.
Measurements and Payment: SF
GENERAL
One of the following methods of measurement for determining final payment is designated on the Schedule of Items for each pay item:
DESIGNED QUANTITIES (DQ)
These quantities denote the final number or units to be paid for under the terms of the contract. They are based upon the original design data available prior to advertising the project. Original design data include the preliminary survey informatio...
As a result of changes in the work authorized by the CO.
As a result of the CO determining that errors exist in the original design that cause a pay item quantity to change by 15 percent or more.
As a result of the Contractor submitting to the CO a written request showing evidence of errors in the original design that cause a pay item quantity to change by 15 percent or more. The evidence must be verifiable and consist of calculations, drawin...
ACTUAL QUANTITIES (AQ)
These estimated quantities which are determined from actual measurements of completed work.
LUMP SUM QUANTITIES (LSQ)
These quantities denote one complete unit of work as required by or described in the contract, including necessary materials, equipment, and labor to complete the job. They shall not be measured.
USE OF PREMISES
Use of Site: Limit use of premises to work in areas indicated. Do not disturb portions of site beyond areas in which the Work is indicated.
Limits: Confine constructions operations to the shelter and nearby locations for storage of materials and roll off container/ dump truck.
Government Occupancy: Allow for Government occupancy of site and limit access to public in the immediate construction site.
Driveways and Entrances: Keep driveways and entrances serving premises clear and available to Occupants, Government employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.
Schedule deliveries to minimize use of driveways and entrances.
Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site.
1.1 DESCRIPTION
A. The work of this section consists of establishing an effective accident prevention program and providing a safe environment for all personnel and visitors.
1.2 SUBMITTALS
A. Accident Prevention Program: Before on-site work begins, submit for approval an accident prevention program. The Contracting Officer (CO) will review the proposed program for compliance with OSHA and project requirements. If the program require...
1. Name of responsible supervisor to carry out the program.
2. Weekly and monthly safety meetings.
3. First aid procedures.
4. Outline of each phase of the work, the hazards associated with each major phase, and the methods proposed to ensure property protection and safety of the public, government personnel, and the Contractor's employees. Identify the work included und...
5. Training, both initial and continuing.
6. Planning for possible emergency situations, such as floods, fires, cave-ins, slides, explosions, power outages, and wind storms. Such planning shall take into consideration the nature of construction, site conditions, and degree of exposure of pe...
B. Submit a brief report of safety meetings and of inspections.
C. Upon request, submit proof of employees' qualifications to perform assigned duties in a safe manner.
1.3 QUALITY ASSURANCE
A. Clauses entitled "Accident Prevention" and "Permits and Responsibilities" of the General Provisions. In case of conflicts between Federal, state, and local safety and health requirements, the most stringent shall apply. Equipment or tools not mee...
B. Qualifications of Employees
1. Ensure that employees are physically qualified to perform their assigned duties in a safe manner.
2. To as great an extent as possible, do not allow employees to work whose ability or alertness is impaired because of drugs, fatigue, illness, intoxication, or other conditions that may expose themselves or others to injury.
3. Operators of vehicles, mobile equipment, hoisting equipment, and hazardous plant equipment shall be able to understand signs, signals, and operating instructions, and be capable of operating such equipment. Provide operating instructions for all e...
1.4 ACCIDENT REPORTING
A. Reportable Accidents: A reportable accident is defined as death, occupational disease, traumatic injury to employees or the public, property damage by accident in excess of $100, and fires. Within 7 days of a reportable accident, fill out and for...
B. All Other Accidents: The Contractor shall report all other accidents to the CO as soon as possible and assist the CO and other officials as required in the investigation of the accident.
2.1 FIRST AID FACILITIES: provide adequate facilities for the number of employees and the type of construction at the site.
2.2 PERSONNEL PROTECTIVE EQUIPMENT: meet requirements of NIOSH and MSHA, where applicable, as well as ANSI.
2.3 BARRIERS: see division 1 section “Temporary Facilities and Controls” for barriers.
3.1 EMERGENCY INSTRUCTIONS: post telephone numbers and reporting instructions for ambulance, physician, hospital, fire department, and police in conspicuous locations at the work site.
3.2 ESCAPE ROUTES: provide and maintain adequate escape routes at all times in accordance with the Life Safety Code (NFPA 101-91). No corridor, aisle, stairway, door, or exit shall be obstructed or used in a manner that interferes with escape routes.
3.3 PROTECTIVE EQUIPMENT
A. Inspect personal protective equipment daily and maintain in a serviceable condition. Clean, sanitize, and repair, as appropriate, personal items before issuing them to another individual.
B. Inspect and maintain other protective equipment and devices before use and on a periodic basis to ensure safe operation.
3.4 SAFETY MEETINGS
A. As a minimum, conduct weekly 15-minute "toolbox" safety meetings. These meetings shall be conducted by a foreman and attended by all construction personnel at the worksite.
B. Conduct monthly safety meetings for all levels of supervision. Notify the CO so that he may attend. These meetings shall be used to review the effectiveness of the Contractor's safety effort, to resolve current health and safety problems, to prov...
3.5 HARD HATS AND PROTECTIVE EQUIPMENT AREAS
A. A hard hat area will be designated by the CO. The hard hat area shall be posted by the Contractor in a manner satisfactory to the CO.
B. It is the Contractor's responsibility to require all those working on or visiting the site to wear hard hats and other necessary protective equipment at all times. As a minimum, provide six hard hats for use by visitors. Change liners before reis...
3.6 TRAINING
A. First Aid: Provide adequate training to ensure prompt and efficient first aid.
SUMMARY
This Section includes administrative and procedural requirements for submitting Product Data, Samples, and other miscellaneous submittals.
DEFINITIONS
Action Submittals: Written and graphic information that requires Contracting Officer’s (CO's) responsive action.
Informational Submittals: Written information that does not require CO's approval. Submittals may be rejected for not complying with requirements.
SUBMITTAL PROCEDURES
Coordination: Coordinate preparation and processing of submittals with performance of construction activities.
Coordinate transmittal of different types of submittals for related parts of the Work so processing will not be delayed because of need to review submittals concurrently for coordination.
CO reserves the right to withhold action on a submittal requiring coordination with other submittals until related submittals are received.
Processing Time: Allow enough time for submittal review, including time for resubmittals, as follows. Time for review shall commence on CO's receipt of submittal.
Initial Review: Allow 2 days for initial review of each submittal. Allow additional time if processing must be delayed to permit coordination with subsequent submittals. CO will advise Contractor when a submittal being processed must be delayed for...
If intermediate submittal is necessary, process it in same manner as initial submittal.
Allow 2 days for processing each resubmittal.
No extension of the Contract Time will be authorized because of failure to transmit submittals enough in advance of the Work to permit processing.
ACTION SUBMITTALS
Product Data: Collect information into a single submittal for each element of construction and type of product or equipment.
If information must be specially prepared for submittal because standard printed data are not suitable for use, submit as Shop Drawings, not as Product Data.
Mark each copy of each submittal to show which products and options are applicable.
Include the following information, as applicable:
Manufacturer's written recommendations.
Manufacturer's product specifications.
Manufacturer's installation instructions.
Manufacturer's catalog cuts.
Compliance with recognized trade association standards.
Compliance with recognized testing agency standards.
Samples: Prepare physical units of materials or products, including the following:
Samples for Initial Selection: Submit manufacturer's color charts consisting of units or sections of units showing the full range of colors, textures, and patterns available.
Contractor's Construction Schedule:
The following submittal is required following award of contract for review and/or approval pursuant to contract provisions:

Manufacturer's Instructions: Prepare written or published information that documents manufacturer's recommendations, guidelines, and procedures for installing or operating a product or equipment. Include name of product and name, address, and teleph...

general
Review each submittal and check for compliance with the Contract Documents. Note corrections and field dimensions. Mark with approval stamp before submitting to CO.
SUMMARY
This Section includes the following:
Wood sheathing.
SUBMITTALS
Product Data: For each type of wood product that matches existing material.
Include sample for visual inspection
WOOD PRODUCTS, GENERAL
Lumber: DOC PS 20 and applicable rules of lumber grading agencies certified by the American Lumber Standards Committee Board of Review.
Factory mark each piece of lumber with grade stamp of grading agency.
For exposed lumber indicated to receive stained or natural finish, mark grade stamp on end or back of each piece, or omit grade stamp and provide certificates of grade compliance issued by grading agency.
Exposed Framing: Hand select material for uniformity of appearance and freedom from characteristics that would impair finish appearance.
Species and Grade: Hem-fir or Hem-fir (north), grade; NLGA, WCLIB, or WWPA – saw texture.
Species and Grade: Spruce-pine-fir or Spruce-pine-fir (south), grade; NELMA, NLGA, WCLIB, or WWPA – saw texture.
Redwood, clear all heart grade per RIS rules.
Cedar, “A” grade, saw texture, per western red cedar rules.
MISCELLANEOUS MATERIALS
Fasteners:
Comply with manufacturers recommendations for each application.
Building Paper: Asphalt-saturated organic felt complying with ASTM D 226, Type I (No. 15 asphalt felt), unperforated.
Roof Planking: 2”x6” or 2”x8” T&G Southern Yellow Pine.
INSTALLATION
Securely attach rough carpentry work to substrate by anchoring and fastening as indicated, complying with the following:
Table 23-II-B-1, "Nailing Schedule," and Table 23-II-B-2, "Wood Structural Panel Roof Sheathing Nailing Schedule," in the Uniform Building Code.
Fastening Methods:
Roof planking: Nail to wood framing.

Apply building paper horizontally with 2-inch (50-mm) overlap and 6-inch (150-mm) end lap; fasten to sheathing with galvanized staples or roofing nails. Cover upstanding flashing with 4-inch (102-mm) overlap.

1.1 related documents
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes the following:
Asphalt shingles.
Felt underlayment.
B. Related Sections include the following:
1. Divison 6 Section “Rough Carpentry” for roof deck wood structural panels.
2. Division 7 Section “Roof Accessories” for ridge vents, hatches, and roof penetrations.
1.3 definitions
A. Roofing Terminology: Refer to ASTM D 1079 and glossary of NRCA’s “The NRCA Roofing and Waterproofing Manual” for definitions of terms related to roofing work in this Section.
1.4 SUBMITTALS
A. Product Data: For each product indicated.
B. Samples for Initial Selection: For each type of asphalt shingles, ridge and hip cap shingles, and ridge vent indicated.
1. Include similar Samples of trim and accessories involving color selection.
C. Samples for verification: For the following products, of sizes indicated, to verify color selected.
1. Asphalt Shingle: Full-size asphalt shingle strip.
2. Ridge and Hip Cap Shingles: Full-size ridge and hip cap asphalt shingle.
D. Maintenance Data: For asphalt shingles to include in maintenance manuals.
E. Warranties: Special warranties specified in this Section.
1.5 QUALITY ASSURANCE
A. Source Limitations: Obtain ridge and hip cap shingles ridge vents, felt underlayment through one source from a single asphalt shingle manufacturer.
1.6 delivery, storage, and handling
A. Store roofing materials in a dry, well-ventilated, weathertight location according to asphalt shingle manufacturer’s written instructions. Store underlayment rolls on end on pallets or other raised surfaces. Do not double-stack rolls.
1. Handle, store, and place roofing materials in a manner to avoid significant or permanent damage to roof deck or structural supporting members.

B. Protect unused underlayment from weather, sunlight, and moisture when left overnight or when roofing work is not in progress.

1.7 project conditions
A. Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit asphalt shingle roofing to be performed according to manufacturers’ written instructions and warranty requirements.
1.8 WARRANTY
A. Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace asphalt shingles that fail in materials or workmanship within specified warranty period. Materials failures include manufacturing defects and failure of asph...
1. Material Warranty Period: 40 years from date of Substantial Completion.
2.1 GLASS-FIBER-REINFORCED ASPHALT SHINGLES
A. Laminated-Strip Asphalt Shingles: ASTM D 3462, laminated, multi-ply overlay construction, glass-fiber reinforced, mineral-granule surfaced, and self-sealing.
1. Products:
a. Owens Corning; TruDefinition OAKRIDGE SHINGLES
2. Butt Edge: Straight cut.
3. Strip Size: Manufacturer’s standard.
4. Color and Blends: Brownwood color
2.2 UNDERLAYMENT MATERIALS
A. Felts: [ASTM D 226] [or] [ASTM D 4869], Type [I] [II], asphalt-saturated organic felts, nonperforated.
1. Available Products:
a. Carlisle Coatings & Waterproofing, Div. Have Carlisle Co. Inc.; Dri-Start “A”
b. Grace, W.R. & Co.; Grace Ice and Water Shield
c. Henry Company; Perma-Seal PE
d. Johns Manville International, Inc.; Roof Defender.
e. NEI Advanced Composite technology; AC Poly Ice and StormSeal
f. Owens Corning; WeatherLock M.
g. Polyguard products, Inc.; Polyguard Deck Guard.
h. Protector Wrap Company; Rainproof TM
i. SafSeal Innovations; SafSeal 7740
2.3 ACCESSORIES
A. Asphalt Roofing Cement: ASTM D 4586, Type II, asbestos free.
B. Roofing Nails: ASTM F 1667; aluminum, stainless-steel, copper, or hot-dip galvanized steel wire shingle nails, minimum 0.120-inch- (3-mm-) diameter, barbed or smooth shank, sharp-pointed, with a minimum 3/8-inch- (9.5-mm-) diameter flat head and o...
1. Where nails are in contact with metal flashing, use nails made from same metal as flashing.

C. Felt Underlayment Nails: Aluminum, stainless-steel, or hot-dip galvanized steel wire with low profile capped heads or disc caps, 1-inch (25-mm) minimum diameter.

2.4 METAL FLASHING AND TRIM
1. Drip Edges: Fabricate in lengths not exceeding 10 feet (3m) with 2-inch (50 mm) roof deck flange and 1-1/2 inch (38 mm) fascia flange with 3/8 inch (9.6 mm) drip at lower edge.
3.1 examination
A. Examine substrate, areas, and conditions, with Installer present, for compliance with requirements for installation tolerance and other conditions affecting performance of work.
1. Examine roof sheathing to verify that sheathing joints are supported by framing and blocking or metal clips and that installation is within flatness tolerances.
2. Verify that substrate is sound, dry, smooth clean, sloped for drainage, and completely anchored; and that provision has been made for flashing and penetrations through asphalt shingles.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 UNDERLAYMENT INSTALLATION
A. Single-Layer Felt Underlayment: Install single layer of felt underlayment on roof deck perpendicular to roof slope in parallel courses. Lap sides a minimum of 2 inches (50 mm) over underlying course. Lap ends a minimum of 4 inches (100 mm). Sta...
3.3 A truck or 2METAL FLASHING INSTALLATION
A. General: Install metal flashings and other sheet metal to comply with requirements in Division 7 Section "Sheet Metal Flashing and Trim."
1. Install metal flashings according to recommendations in ARMA's "Residential Asphalt Roofing Manual" and asphalt shingle recommendations in NRCA's "The NRCA Roofing and Waterproofing Manual."
B. Rake Drip Edges: Install rake drip edge flashings over underlayment and fasten to roof deck.
C. Eave Drip Edges: Install eave drip edge flashings below underlayment and fasten to roof sheathing.
3.4 ASPHALT SHINGLE INSTALLATION
A. Install asphalt shingles according to manufacturer's written instructions, recommendations in ARMA's "Residential Asphalt Roofing Manual," and asphalt shingle recommendations in NRCA's "The NRCA Roofing and Waterproofing Manual."
B. Install starter strip along lowest roof edge, consisting of an asphalt shingle strip with self-sealing strip face up at roof edge.
1. Extend asphalt shingles [1/2 inch (13 mm)] over fascia at eaves and rakes.
2. Install starter strip along rake edge.
C. Install first and remaining courses of asphalt shingles stair stepping diagonally across roof deck with manufacturer's offset pattern at succeeding courses, maintaining uniform exposure.
D. Fasten asphalt shingle strips with a minimum of five roofing nails located according to manufacturer’s written instructions.
1. When ambient temperature during installation is below [50 deg F (10 deg C), seal asphalt shingles with asphalt roofing cement spots.
E. Ridge Cap Shingles: Maintain same exposure of cap shingles as roofing shingle exposure. Lap cap shingles at ridges to shed water away from direction of prevailing winds. Fasten with roofing nails of sufficient length to penetrate sheathing.
1. Fasten ridge cap asphalt shingles to cover ridge vent without obstructing airflow.
1.1 SUMMARY
A. This Section includes the following:
1. Equipment supports.
2. Ridge vents.
1.2 SUBMITTALS
A. Product Data: For each product indicated.
B. Samples: For each exposed finish.
1.3 QUALITY ASSURANCE
A. Standards: Comply with the following:
1. SMACNA's "Architectural Sheet Metal Manual" details for fabrication of units, including flanges and cap flashing to coordinate with type of roofing indicated.
2. NRCA's "Roofing and Waterproofing Manual" details for installing units.
2.1MATERIALS
A. Aluminum:
1. Sheet: ASTM B 209 (ASTM B 209M) for alclad alloy 3005H25 or alloy and temper required to suit forming operations, with mill finish, unless otherwise indicated.
2. Extrusions: ASTM B 221 (ASTM B 221M) alloy 6063-T52 or alloy and temper required to suit structural and finish requirements, with mill finish, unless otherwise indicated.
B. Wood Nailers: Softwood lumber, pressure treated with waterborne preservatives for aboveground use, complying with AWPA C2; not less than 1-1/2 inches (38 mm) thick.

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