B08_Attachment_1_140P8422Q0080_Specs.pdf

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Point Reyes National Seashore TABLE OF CONTENTS

PIERCE RANCH WEST BUILDINGS ROOF REPLACEMENT

Point Reyes National Seashore—Point Reyes, California

TABLE OF CONTENTS

DIVISION 01- GENERAL REQUIREMENTS

Section 01110 – Summary of Work

Section 01270 – Definition of Bid Items

Section 01310 – Project Meetings

Section 01330 – Submittals

Section 01330f – Submittal Form

Section 01360 – Accident Prevention

Section 01560 – Barriers

Section 01570 – Temporary Controls

RFQ No. 140P8422Q0080, Attachment No. 1

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Point Reyes National Seashore TABLE OF CONTENTS

Section 01770 – Project Closeout

DIVISION 02- EXISTING CONDITIONS

Section 02224 – Selective Demolition

DIVISION 07- THERMAL AND MOISTURE PROTECTION

Section 07313 – Wood Shingles

Section 07600 – Flashing and Sheet Metal

END OF CONTENTS

01110-1 Point Reyes National Seashore SUMMARY OF WORK

SECTION 01110 - SUMMARY OF WORK

PART 1 - GENERAL

1.1 DESCRIPTION

A. The work of this contract consists of the general construction of providing all the materials, labor, and equipment necessary to remove and replace roofing material on the Creamery, Grade A Dairy, Calf Shed, Implement Shed, Blacksmith Shop, Wash House, Bunkhouse and Outhouse at the historic Pierce Ranch which is located in Point Reyes National Seashore. The contractor shall remove, and properly dispose of, all roofing materials (existing metal flashing and sawn wood shingles) to the sheathing. NPS will then inspect the roof and any additional repair work needed will be completed by the park Historic Preservation Crew. After repair work is completed the contractor shall return to install the new roofing material. The Pierce Ranch is a historic property, and the work performed must follow the Secretary of the Interior’s Standards for the Treatment of Historic Properties.

B. The Pierce Ranch Creamery has a T-shaped gable roof with a cupola clad in wood shingles and solid board ridge totaling approximately 2,900 square feet in area. The Grade A Dairy has a gable roof clad in wood shingles and solid board ridge totaling approximately 825 square feet in area. The Calf Shed has a gable roof clad in wood shingles and solid board ridge totaling approximately 800 square feet in area. The Implement Shed has a shed roof clad in wood shingles totaling approximately 675 square feet. The Blacksmith Shop has a shed roof and shed roof addition clad in wood shingles totaling approximately 500 square feet in area. The Wash House has a gable roof clad in wood shingles and solid board ridge totaling approximately 550 square feet in area. The Bunkhouse has a gable roof clad in wood shingles and solid board ridge totaling approximately 750 square feet in area. The Outhouse has a gable roof clad in wood shingles and solid board ridge totaling approximately 100 square feet in area. All measurements and dimensions are approximate and must be verified in the field. All offerors are highly encouraged to attend the site visit and examine existing conditions before submitting quotes. Any failure of the Contractor to take the actions described and acknowledged in this paragraph will not relieve the Contractor from responsibility for estimating properly the difficulty and cost of successfully performing the work, or for proceeding to successfully perform the work without additional expense to the Government. All offerors will be held to have the same knowledge concerning the site and the on-ground conditions as if they had inspected the job site.

C. The contractor shall remove, and properly dispose of, all roofing materials (existing metal flashing and sawn wood shingles) to the sheathing. NPS will then inspect the roof and any additional repair work needed will be completed by the park’s Historic Preservation Crew. After repair work is completed the contractor shall return to install the new roofing material and flashing. The amount of time needed for repairs will depend on the condition of the sheathing and framing members as determined by the Historic Preservation Crew after the roofs are stripped. After repair work is

01110-2 completed, the contractor shall install new Certigrade #1 Blue Label Alaskan Yellow Cedar shingles.

D. All work will be performed under a single contract.

1.2 LOCATION

A. The work shall be performed at the Creamery, Grade A Dairy, Calf Shed, Implement Shed, Blacksmith Shop, Wash House, Bunkhouse, and Outhouse at the Historic Pierce Ranch within the Point Reyes National Seashore. Pierce Ranch is located at the end of Pierce Point Road, approximately 16 miles from the Point Reyes National Seashore’s Bear Valley Visitor Center (See Location Map).

1.3 CONTRACTOR'S USE OF PREMISES

A. General: The contractor shall commence work within 10 calendar days after the date of receipt of the Notice to Proceed document from the Contracting Officer, prosecute the work diligently, and complete the entire work ready for use not later than 90 days following receipt of the Notice to Proceed. The anticipated period of performance is June 27, 2022 through September 25, 2022.

B. Construction Camp: The establishment of a camp within the park will not be permitted.

C. Contractor shall at all times conduct the operations of this contract to ensure the least inconvenience to the visiting public, building occupants or users, and park staff. No road closures will be permitted without specific approval of Contracting Officer.

D. Confine storage of materials to areas approved by the Contracting Officer.

E. Hauling Restrictions: Comply with all legal load restrictions in the hauling of materials. Load restrictions on park roads are identical to the state load restrictions with such additional regulations as may be imposed by the Park Superintendent.

Information regarding rules and regulations for vehicular traffic on park roads may be obtained from the Office of the Park Superintendent. A special permit will not relieve Contractor of liability for damage that may result from moving of equipment.

1.4 SPECIAL CONSTRUCTION REQUIREMENTS

A. Preservation of Historic Structure: The work of this contract includes work on a building listed on the National Register of Historic Places. The contractor shall take every precaution to avoid damaging historic structures and surrounding features.

Any damage shall be repaired to the satisfaction of and directed by the Contracting Officer at no cost to the Government. Removal or cutting of any historic materials or assemblies shall only be done under the direction of the Contracting Officer.

B. Preservation of Natural Features: Confine all operations to within project work limits.

Prevent damage to natural surroundings. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to the Government.

1. Provide temporary barriers to protect existing trees and plants and root zones.

01110-3

2. Do not remove, injure, or destroy trees or other plants. Consult with Contracting Officer and remove agreed-on vegetation that interferes with construction.

3. Do not fasten ropes, cables, or guys to existing trees.

C. The Contractor shall perform all work between the hours of 7:00 AM to 5:00 PM Monday through Friday. Any variation of this work schedule must be requested in writing and approved in advance by the Contracting Officer.

D. Holiday Work Restrictions: No on-site work shall be performed on weekends or federal holidays unless otherwise directed by the Contracting Officer.

1.5 FIELD VERIFICATION

A. Field verify all new and existing dimensions and access constraints affecting the work of this contract before ordering products. The contractor is responsible for verifying all roof sizes to estimate amount of shingles needed.

1.6 CONSTRUCTION MATERIALS

A. All materials shall be Contractor-furnished from outside the park.

PART 2 - PRODUCTS NOT USED.

PART 3 - EXECUTION NOT USED.

END OF SECTION

01270-1 Point Reyes National Seashore DEFINITION OF BID ITEMS

SECTION 01270 - DEFINITION OF BID ITEMS

PART 1 - GENERAL

1.1 DESCRIPTION

A. The intent of this section is to explain, in general, what is and what is not included in a bid item.

1.2 BID ITEMS:

A. Base Bid Items: complete as described in the individual specification sections and summary of work for the following locations.

1. This bid item includes all labor, materials, equipment, and mobilization costs required to perform the removal and disposal of existing wood shingle roofing and the installation of replacement roofing to match material specifications in Section 07313 at the Pierce Ranch Creamery, Grade A Dairy, Calf Shed, Implement Shed, Blacksmith Shop, Wash House, Bunkhouse, and Outhouse.

PART 2 - PRODUCTS NOT USED.

PART 3 - EXECUTION NOT USED.

01310-1 Point Reyes National Seashore PROJECT MEETINGS

SECTION 01310 - PROJECT MEETINGS

PART 1 - GENERAL

1.1 PRECONSTRUCTION CONFERENCE

A. Before start of construction, Contracting Officer will arrange an on-site meeting with Contractor. The meeting agenda will include the following as a minimum:

1. Correspondence procedures

2. Designation of responsible personnel, identification of subcontractors

3. Labor standards provisions and payroll reports

4. Accident prevention program, including name of responsible supervisor and compliance with the "Accident Prevention" clause of the General Provisions, and accident reporting.

5. Submittals, including of shop drawings, project data, samples, and approved equals.

6. Housekeeping (including recycling program) and Park rules and regulations.

7. Tentative construction schedule, and Saturday, Sunday, holiday and night work

8. Project closeout requirements

9. Payments to Contractor

10. Relationship of Division 1 to other divisions

1.2 PROGRESS MEETINGS

A. The Contracting Officers Representative or Project Inspector will perform daily site visits with the contractor’s site foreman / representative.

Site Visit will include:

1. Review of work progress, field observations, problems, and decisions

2. Review of submittals schedule and status of submittals

3. Review of off-site fabrication and delivery schedules

4. Review of project schedule and early identification of problems that may impede progress

5. Discussion of project timeline and work schedule.

01310-2 Point Reyes National Seashore PROJECT MEETINGS

6. Other business relating to work

PART 2 - PRODUCTS NOT USED.

PART 3 - EXECUTION NOT USED.

PART 4 - MEASUREMENT AND PAYMENT

01330-1 Point Reyes National Seashore SUBMITTALS

SECTION 01330 - SUBMITTALS

PART 1 - GENERAL

1.1 DESCRIPTION

A. The work of this section consists of submittal requirements before and during construction.

1.2 RELATED REQUIREMENTS

A. Closeout submittals - Section 01770.

1.3 SUBMITTAL AND APPROVAL PROCEDURES

A. All submittals shall be transmitted using National Park Service form DSC-1(CS), dated 11/95. (A copy of the form is included at the end of this section.) No action will be taken on a submittal item unless accompanied by the transmittal form.

B. As specified in the individual sections, forward submittals to Contracting Officer at least 10 business days before approval is needed. Unless a different number is specified, submit two copies of each shop drawing, two copies of manufacturer's catalog sheets (cut sheets), two specimens of each sample, and two copies of all other submittals requested.

1. Shop Drawings: Include the following information with each copy of shop drawings:

a. Date.

b. Date of revisions (when applicable).

c. Contractor's certification that shop drawing has been checked for compliance with contract documents.

d. Details of fabrication, assembly and erection including connections and engagement to contiguous work.

e. Materials used.

f. All required dimensions.

g. The term "by others" shall not be used. All work to be performed by others shall be identified by Contractor or subcontractor name, discipline, or trade.

2. Samples: Samples shall be large enough to illustrate clearly the functional characteristics and full range of color, texture, or pattern.

3. Manufacturers' Catalog Sheets: Submit only pertinent pages; mark each copy of standard printed data to identify specific products proposed for use.

01330-2

4. Manufacturer's Installation Instructions: When contract documents require compliance with manufacturer's printed instructions, provide one complete set of instructions for Contracting Officer and keep another complete set of instructions at the project site until substantial completion.

C. Contracting Officer reserves the right to require submittals in addition to those called for in individual sections.

D. Approved Equals:

1. For each item proposed as an "approved equal," submit supporting data, including:

a. Drawings and samples as appropriate.

b. Comparison of the characteristics of the proposed item with that specified.

c. Changes required in other elements of the work because of the substitution.

d. Name, address, and telephone number of vendor.

e. Manufacturer's literature regarding installation, operation, and maintenance, including schematics for electrical and hydraulic systems, lubrication requirements, and parts lists. Describe availability of maintenance service, and state source of replacement materials.

2. A request for approval constitutes a representation that Contractor:

a. Has investigated the proposed item and determined that it is equal or superior in all respects to that specified.

b. Will provide the same warranties for the proposed item as for the item specified.

c. Has determined that the proposed item is compatible with interfacing items.

d. Will coordinate the installation of an approved item and make all changes required in other elements of the work because of the substitution.

e. Waives all claims for additional expenses that may be incurred as a result of the substitution.

3. Construction Materials: The Contractor is encouraged to submit for approval products made out of recycled or environmentally responsible material. Every effort will be made by the National Park Service to approve these materials.

E. Coordinate all submittals and review them for legibility, accuracy, completeness, and compliance with contract requirements. Forward submittals that are related to or affect one another as a package to facilitate coordinated review. Each transmittal shall contain only data specific to that individual submittal.

F. Submittal Identification:

01330-3

1. Contracting Officer will provide a project identification stamp which shall be applied by the Contractor. Identification shall include the park name-package number, project title, contract number, and transmittal number.

2. All sets of shop drawings, manufacturer's catalog sheets, samples, and other documents submitted to the Contracting Officer must have the identification information stamped on the submittal.

3. Identification information shall be applied to the bottom right margin on each page. Identification information on samples shall be applied to the most readily visible area on the sample or on tags attached to sample.

G. Submittal Numbering:

1. Number each submittal consecutively.

2. For re-submittals use the original submittal number, plus a letter suffix beginning with A.

3. Additional re-submittals of the same item shall contain the original number with the next consecutive letter.

H. Contracting Officer's Review:

1. Submittals will be returned disapproved without technical review if identification information is missing, not filled in, or if placed on the back of the submittal; an incorrect number or format of submittals is provided; the transmittal form is incorrectly filled out; submittals are not coordinated; or submittals do not show evidence of Contractor's approval.

2. Any work done or orders for materials or services placed before approval shall be at the Contractor's own risk.

3. After reviewing submittals, the Contracting Officer will return one copy of form DSC-1(CS) and one copy of applicable (marked up) submittal sheets to the Contractor. Shop drawing review notations will be returned on the reproducible original shop drawing. All other submitted items will be retained. The Contractor is responsible for producing additional copies for his/her own use.

4. The returned submittal will be marked in one of three ways as defined below:

a. APPROVED: Acceptable with no corrections.

b. APPROVED WITH NOTATIONS: Minor corrections or clarifications required. All comments are clear and no further review is required. The Contractor shall address all review comments when proceeding with the work.

c. DISAPPROVED - RESUBMIT: Rejected as not in accordance with the contract or as requiring major corrections or clarifications. The Contracting Officer will identify the reasons for disapproval. The Contractor shall revise and resubmit with changes clearly identified.

01330-4

PART 2 - PRODUCTS NOT USED.

PART 3 - EXECUTION NOT USED.

PART 4 - MEASUREMENT AND PAYMENT

4.1 SUBMITTALS

A. Payment will be included in the bid item to which this work relates.

TRANSMITTAL - NATIONAL PARK SERVICE

Transmittal No.:

Sheet: 1 of:

Park:

Project:

Contract No.:

Pkg. No.:

Date:

Contractor:

Subcontractor/Supplier:

NPS ACTION

Specification Section No.

Description of Item (Size, Type, Name, Manufacturer, Use, Etc.)

Contractor Signature

Recommended by

Title, Date

Title

Date

I hereby certify that this submittal has been reviewed for accuracy, completeness, and compliance with contract requirements per the General Provisions (FAR 42.236-21)

Review Comments

Action By

Date

Contracting Officer’s Representative

Approval of this submittal is subject to the provisions of the contract drawings and specifications. This action is for general concurrence only and the Government is not responsible for errors or omission.

SUBMITTAL LOG DATES: From contractor [__________], To reviewer [__________], From reviewer [__________], To Contractor [__________] Distribution: ( ) Contractor ( ) DSC File ( ) COR ( ) A/E ( ) DSC Interim ( ) COR Interim ( ) Contractor Interim DSC-1(CS) Rev. 11/95

TRANSMITTAL CONTINUATION - NATIONAL PARK SERVICE

Transmittal No.:

Sheet: 1 of:

Park:

Project:

Contract No.:

Pkg. No.:

Date:

Contractor:

Subcontractor/Supplier:

NPS ACTION

Specification Section No.

Description of Item (Size, Type, Name, Manufacturer, Use, Etc.)

Review Comments

DSC-1(CS)b Rev. 11/95

01360-1 Point Reyes National Seashore ACCIDENT PREVENTION

SECTION 01360 - 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 contractor and NPS personnel, residents and visitors.

1.2 SUBMITTALS

A. Accident Prevention Program: Before on-site work begins, submit for approval an accident prevention program. The Contracting Officer 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 made 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, National Park Service personnel, and 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 and risk management for possible emergency situations. Risk management plan shall include consideration for earthquakes, fire, serious injury, falls, and wind. The contractor may include other topics as they see fit.

Such planning shall take into consideration the nature of construction, site conditions, and degree of exposure of persons and property. Planning will include identification of specific risks and actions taken to minimize those risks to acceptable levels.

7. Housekeeping: Section 01570.

B. Certificates: Provide certificates from a mechanic that all mechanical equipment has been inspected and meets OSHA requirements.

C. Submit a copy of test reports, as required by OSHA, for personnel working with hazardous materials.

D. Submit a report of safety meetings and of inspections.

01360-2

E. 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. 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, residents or the public, property damage by accident in excess of $100, and fires. Notify Contracting Officer immediately in the event of a reportable accident. Within 7 days of a reportable accident, fill out and forward to the Contracting Officer a DI-134 form, which may be obtained from Contracting Officer.

B. All Other Accidents: The Contractor shall review any non-reportable accident with the Contracting Officer’s Representative at the next daily site visit. Contractor and COR will endeavor to learn from the incident with an intent to avoid similar accidents in the future.

PART 2 - PRODUCTS

2.1 FIRST AID FACILITIES

A. Provide adequate facilities for the number of employees and the type of construction at the site.

01360-3

2.2 PERSONNEL PROTECTIVE EQUIPMENT

A. Meet requirements of NIOSH and MSHA.

2.3 BARRIERS

A. Section 01560.

PART 3 - EXECUTION

3.1 EMERGENCY INSTRUCTIONS

A. Post telephone numbers and reporting instructions for ambulance, physician, hospital, fire department, and police in conspicuous locations at the work site.

3.2 EGRESS

A. Provide and maintain adequate egress at all times in accordance with the Life Safety Code (NFPA 101-94). No corridor, aisle, stairway, door, or exit shall be obstructed or used in a manner that interferes with egress.

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 Contracting Officer of meeting dates and times. 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 Contracting Officer will attend the meeting and enter the results of the meetings into the daily log.

3.5 HARD HATS AND PROTECTIVE EQUIPMENT AREAS

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

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

01360-4 hats.

3.6 TRAINING

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

B. Hazardous Material: Train and instruct each employee exposed to hazardous material in safe and approved methods of handling and storage. Hazardous materials are defined as explosive, flammable, poisonous, corrosive, oxidizing, irritating, or otherwise harmful substances that could cause death or injury.

PART 4 - MEASUREMENT AND PAYMENT

4.1 ACCIDENT PREVENTION

01560-1 Point Reyes National Seashore BARRIERS

SECTION 01560 - BARRIERS

PART 1 - GENERAL

1.1 DESCRIPTION

A. The work of this section consists of furnishing, installing, and maintaining barriers to protect existing facilities and the public from construction operations.

PART 2 - PRODUCTS

2.1 GENERAL

A. Material may be new or used, but shall be suitable for intended purpose. Fences and barriers shall be structurally adequate and neat in appearance.

2.2 FENCING

A. Safety Barrier Fence: Orange plastic fence, minimum height, 4 feet.

2.3 BARRICADES AND SIGNS

A. Manual on Uniform Traffic Control Devices (MUTCD), Part VI, 1988 edition.

2.4 LUMBER

A. Free of nails, large knot holes and splinters.

2.5 BARRIER TAPE

A. Banner Guard, imprinted with "CAUTION”.

PART 3 - EXECUTION

3.1 PROTECTION OF PUBLIC

A. Fence the work area to prevent unauthorized entry and keep the public a safe distance from the work area.

B. Post appropriate signage on fence corresponding to work being carried out, (keep out, hard had zone, lead removal etc).

3.2 BARRIER TAPE

A. Install where directed by Contracting Officer.

01560-2 Point Reyes National Seashore BARRIERS

3.3 REMOVAL

A. Completely remove barriers no longer needed when approved by Contracting Officer.

PART 4 - MEASUREMENT AND PAYMENT

4.1 BARRIERS

01570-1 Point Reyes National Seashore TEMPORARY CONTROLS

SECTION 01570 - TEMPORARY CONTROLS

PART 1 - GENERAL

1.1 DESCRIPTION

A. The work of this section consists of providing temporary controls.

1.2 SUBMITTALS

A. As specified in Section 01330.

B. Before beginning on-site work, submit a recycling plan that includes a list of materials that might be recycled during the course of the contract. This list should name the material, recycling methods, and/or proposed disposal location. This list is for information only. Recycling is voluntary, but highly encouraged.

PART 2 - PRODUCTS NOT USED.

PART 3 - EXECUTION

3.1 HOUSEKEEPING

A. Keep project neat, orderly, and in a safe condition at all times.

B. Provide enough containers for collecting construction debris and construction materials to be recycled.

C. Provide containers for recycling personal items, such as aluminum cans, newspapers, glass, plastic, corrugated cardboard. These items may be recycled by the Contractor or turned over to the Park for recycling.

D. Wet down dry materials and rubbish to prevent blowing dust.

E. Keep volatile wastes in appropriate covered containers.

3.2 WEATHER CONDITIONS

A. Proceed with roofing and associated work only when current or predicted weather conditions will permit the work to be performed in accordance with manufacturer's recommendations, and without damage to the building and interior finishes. All roof openings remaining at the end of each workday shall be securely covered and made weatherproof until work resumes.

3.3 DISPOSAL

A. Unless otherwise specified, all removed material becomes the property of the

01570-2 Point Reyes National Seashore TEMPORARY CONTROLS

Contractor and shall be disposed of outside the park.

B. Immediately remove hazardous rubbish from project site. Place other construction debris in refuse containers at least daily. Dispose of refuse at least weekly, in a legal manner, at public or private dumping areas outside the park. Do not burn or bury refuse inside the park.

3.4 AIR AND WATER POLLUTION CONTROL

A. Take all necessary reasonable measures to reduce air and water pollution by any material or equipment used during construction.

B. Do not dispose of volatile wastes or oils in storm or sanitary drains.

C. Do not allow waste materials to be washed into streams or bodies of water.

PART 4 - MEASUREMENT AND PAYMENT

4.1 TEMPORARY CONTROLS

01770-1 Point Reyes National Seashore PROJECT CLOSEOUT

SECTION 01770 - PROJECT CLOSEOUT

PART 1 - GENERAL

1.1 DESCRIPTION

A. The work of this section consists of final cleanup, closeout submittals, and final inspection procedures.

PART 2 - PRODUCTS

2.1 CLEANING MATERIALS

A. As recommended by the manufacturer of surface to be cleaned.

PART 3 - EXECUTION

3.1 CLEANING

A. Before scheduling the final inspection, remove all tools, equipment, surplus materials, and rubbish.

B. Restore or refinish surfaces damaged by the work of this contract to original condition.

C. Remove grease, dirt, stains, foreign materials, and labels from finished surfaces.

D. Thoroughly clean around the building exterior. Pick up all debris from the site and dispose of off NPS property. At time of final inspection, project site shall be thoroughly clean and ready for use.

3.2 SUBSTANTIAL COMPLETION AND FINAL INSPECTION

A. Submit written certification that project, or designated portion of project, is substantially complete, and request in writing a final inspection. Contracting Officer will make an inspection within 10 days of receipt of request.

B. When work is determined to be substantially complete, Contracting Officer will prepare a list of deficiencies to be corrected before final acceptance and issue a Letter of Substantial Completion. Contractor shall complete the work described on the list of deficiencies within 60 calendar days, as weather permits. If the Contractor fails to complete the work within this period, the Contracting Officer may replace, repair, or remedy the work with an appropriate reduction in the contract price.

C. If work is not determined to be substantially complete, Contracting Officer will notify Contractor in writing. After completing work, Contractor shall resubmit certification and request a new final inspection.

01770-2 Point Reyes National Seashore PROJECT CLOSEOUT

3.3 ACCEPTANCE OF THE WORK

A. After all deficiencies have been corrected, a Letter of Acceptance will be issued.

PART 4 - MEASUREMENT AND PAYMENT

4.1 PROJECT CLOSEOUT

02224-1 Point Reyes National Seashore SELECTIVE DEMOLITION

SECTION 02224 - SELECTIVE DEMOLITION

PART 1 - GENERAL

1.1 DESCRIPTION

A. The work of this section consists of the removal of existing roofing materials down to bare sheathing. The work includes removal, salvage, and disposal.

1.2 RELATED SECTIONS

A. Section 01270 – Definition of Bid Items

B. Section 01570 – Temporary Controls.

C. Section 01560 - Barriers

1.3 SUBMITTALS

A. As specified in Section 01330.

B. Submit schedule showing sequence of work and methods of demolition.

1.4 QUALITY ASSURANCE

A. Comply with safety requirements for demolition, ANSI A10.6-90.

1.5 PROJECT CONDITIONS

A. Keep dust and dirt pollution to a minimum.

B. Ensure safety of persons in demolition area. Provide temporary barriers as required to keep visitors away from the work site.

C. Provide adequate fire protection. Keep area clear of hazardous substances and debris.

PART 2 - PRODUCTS NOT USED.

PART 3 - EXECUTION

3.1 PREPARATION

A. Protect existing sheathing, and fixtures and equipment to remain. Protect nearby structures and vegetation as necessary.

02224-2 Point Reyes National Seashore SELECTIVE DEMOLITION

3.2 DEMOLITION

A. Avoid excessive loads on supporting walls, floors, and framing by careful location of equipment and prompt removal of demolished materials.

3.3 SALVAGE

A. Carefully remove existing historic wood trim and reinstall after roof installation.

3.4 RESTORATION AND CLEAN-UP

A. Repair and clean adjacent surfaces damaged or soiled by demolition work.

B. Restore utility service to normal operation.

C. Remove equipment, temporary protection and barriers, and debris. Dispose of unsalvageable material as specified in Section 01570.

PART 4 - MEASUREMENT AND PAYMENT

4.1 SELECTIVE DEMOLITION

A. Payment will be made at the contract lump-sum price.

07313-1 Point Reyes National Seashore WOOD SHINGLE ROOF

SECTION 07313 - WOOD SHINGLE ROOF

PART 1 - GENERAL

1.1 DESCRIPTION

A. The work of this section consists of furnishing and installing wood shingle roofing.

1.2 RELATED SECTIONS

A. Section 01270 – Definition of Bid Items

B. Section 02224 – Selective Demolition

1.3 SUBMITTALS

A. As specified in Section 01330.

B. Submit samples of shingles unstained with product grading label.

C. Submit sample of nails with product information.

1.4 QUALITY ASSURANCE

A. Grading rules of the Cedar Shake and Shingle Bureau (CSSB).

1.5 GUARANTEE

A. Furnish a warranty in writing against a defective roofing system for 5 years from date of acceptance. Warranty shall include repairing if necessary to maintain roof in a watertight condition.

PART 2 - PRODUCTS

2.1 SHINGLES

A. Certigrade No. 1 Blue Label Alaskan Yellow Cedar Shingles 18” Perfection; width 4” minimum, with 10% of bundle allowed down to 3”. 5/2 ¼” thick (5 butts together measure 2 ¼” thick). Clear heartwood; 100% edge grain; no defects.

B. HIP AND RIDGE UNITS

Solid wood ridges and hips shall be manufactured of Alaskan Yellow Cedar 1x6 with bevel cuts to create alternate overlaps.

2.2 NAILS

A. Stainless steel 4d annular ring shank nails with a 7/32”-1/4” head diameter (cedar

07313-2 shingle/shake nails or box nail style head); 6d length for hips and ridges. Nails should be long enough to penetrate the sheathing approximately ¾”. For a nail gun use Simpson Strong-Tie Swan Secure Fasteners 304 stainless steel collated decking nail, 15 degrees ring shank 4d for the field and 6d for the hips and ridges making sure those lengths penetrate approximately ¾” into the sheathing.

2.3 FLASHING AND VALLEY METAL

A. All flashing, valleys, and ventilation jacks should be 16 ounce copper.

B. Valley flashing should be center crimped W style valley metal with ½” crimp on edges. Any joints should be overlapped at least 6”. Flashing shall be wide enough to extend 11” on each side of valley centerline.

C. Step flashing shall have a minimum horizontal width of 2 ½” and minimum vertical width of 2 ½”. Step flashing shall have at least 3” overlap.

D. Head and apron flashing should have a minimum horizontal width of 6” and minimum vertical width of 3”.

E. Vent jack flashing shall extend no less than 6” in all directions.

PART 3 - EXECUTION

3.1 NAILING

A. Use two nails per shingle, located not over 3/4 inch from the edge of shingle at each side and 1-1/2 inches above the exposure line. Verify that nails penetrate sheathing at least ¾”. Drive nails flush, but not into shingle surface. If a nail gun is to be used contractor shall demonstrate nailing prior to work commencing to get approved psi for proper nail depth.

3.2 LAYING SHINGLES - GENERAL

A. For applications not covered in this specification, refer to CSSB Roof Manual (http://www.cedarbureau.org/installation-and-maintenance/roof-manual/).

B. Substrate: For roofs with skip sheathing apply shingles directly on wood. Use no felt underlay or interlay. For roofs with solid sheathing apply a synthetic breathable underlayment with a continuous ventilation product Cedar Breather or approved equivalent over the underlayment. Apply shingles on top of the ventilation product.

C. Spacing: Shingle spacing shall be based off moisture content of shingles. Moisture content shall be tested prior to installation with NPS personnel present. If moisture content is 15% or less shingles should be spaced 1/8”-1/4”. 16%-19% spaced 1/8”-1/16”, D. Exposure: 4-1/2 inches.

E. Lines: Lay shingle butts in straight lines. Check lines frequently.

F. Side Lap: Stagger joints between adjacent courses at least 1-1/2 inches. Avoid joint

07313-3 alignment between alternate courses with a stagger of at least ¾”.

3.3 DOUBLED FIRST COURSE

A. At eaves, project first course to overhang approximately 1-1/2 inches beyond the fascia. Make first course a double layer of shingles with joints in both layers staggered.

3.4 GABLE ENDS

A. Project shingles a 1” over the gable or rake end of the building.

3.5 VALLEY FLASHING

A. Lay strip of synthetic breathable underlayment if not already present, wide enough to insulate valley metal from laying directly on sheathing. Before installing metal, cover underlayment with rosin paper slip sheet.

B. Install valley shingles by working from the valley outwards, using the wide shingles reserved for this purpose. Shingles shall be installed lapping the valley flashing not less than 7” on each side. Select shingle widths that will enable nails to be kept as far removed as possible from centerline of valley metal. Do not lay shingles with grain parallel with the centerline of valleys.

C. Expose metal at least 2 inches from the W in the valley, allowing for at least 4 inches of exposed metal. Trim valley shingles to conform to these lines.

3.6 STEP FLASHING

A. Step flashing shall be used where vertical surfaces occur in connection with slopes.

They shall be formed of separate pieces and installed in step fashion and each piece shall lap not less than 3”, one flashing installed on each course concealed under the covering course.

3.7 HIPS AND RIDGES

A. Center a strip of synthetic breathable underlayment over the hip and ridge, under the hip and ridge shingle caps. Underlayment should not be visible once the shingle caps are installed.

B. Install solid ridge board with alternate overlaps, concealed nailing, and with a 4-1/2” exposure. Nails should be longer than nails used in the field, approximately 6d and penetrate the sheathing approximately ¾”.

PART 4 - MEASUREMENT AND PAYMENT

4.1 WOOD SHINGLE ROOF

07600-1 Point Reyes National Seashore FLASHING AND SHEET METAL

SECTION 07600 - FLASHING AND SHEET METAL

PART 1 - GENERAL

1.1 DESCRIPTION

A. The work of this section consists of furnishing and installing flashing and sheet metal.

1.2 RELATED SECTIONS

A. Section 07313 – Wood Shingles

1.3 SUBMITTALS

A. As specified in Section 01330.

B. Shop Drawings: Show sheet metal items, including joints, types and locations of fasteners, and special shapes.

C. Samples: Two 12-inch by 12-inch samples of each sheet metal material. Show pattern, finish, color, and thickness.

1.4 GUARANTEE

A. Guarantee materials and workmanship for ten years.

PART 2 - PRODUCTS

2.1 SHEET METAL

A. Copper: ANSI/ASTM B370-84a, cold rolled temper, weighing minimum of 16 ounces per square foot.

2.2 FASTENERS

A. Nails: FS FF-N-105B. Material, Copper, Bronze or Stainless Steel.

PART 3 - EXECUTION

3.1 INSPECTION

A. Determine that surfaces are smooth and clean to the extent required for sheet metal work. Correct defective surfaces or report them to the Contracting Officer.

B. INSTALLATION

07600-2 Point Reyes National Seashore FLASHING AND SHEET METAL

C. General: Install work watertight, without waves, warps, buckles, fastening stresses, or distortion. Allow for expansion and contraction.

D. Open Valley Flashing: Minimum width, 18 inches. Fabricate with edges folded back 1/2 inch and with 1-inch-high deflector at valley center. Install over underlayment.

Overlap joints 8 inches minimum in direction of water flow. Cleat folded edges to substrate on 2-foot centers.

3.2 REPAIRING

A. Repair or replace damaged work.

PART 4 - MEASUREMENT AND PAYMENT

4.1 FLASHING AND SHEET METAL