Amndmt_1_Attchmt_8_Revised_Statement_of_Work.pdf

Solicitation (RFQ) no. 140P8319Q0069, Amendment 001, Attachment no. 8

REVISED

Revision 1, August 2019

Re-Roof HQ Admin Bldg 01010-1 Summary of Work

SECTION 01010 SUMMARY OF WORK

PART 1: GENERAL

1.1 DESCRIPTION:

1. The Work of this contract consists of the installation of new cedar shake roof and one (1) section of gutter and downspout on the Olympic National Park Headquarters Administration

Building located at 600 East Park Avenue in Port Angeles, WA. Work includes the removal and disposal of the existing shake roof to skip sheathing and the removal and disposal of one (1) existing section of gutter and downspout. Work shall include:

A. Installation of new roof on ONP Headquarters Administration Building. Work includes underlayment paper, ice and water membrane and flashing, See attached roof plan with dimensions and roof pitch.

B. Removal and disposal of existing shake roof. Materials shall be disposed of outside the park.

Care shall be taken to reduce the amount of debris falling into attic space. General clean-up of existing roof debris shall be performed in attic and subject to inspection.

C. Repairs of skip sheathing and car decking will be addressed separately.

D. Removal and disposal of existing shed roof gutter and downspout located at north entrance of building. Materials shall be recycled outside the park.

E. Installation of approximately 30’ of new continuous gutter and downspout.

F. Cleaning of all gutters upon the completion of roof installation

2. All work shall be performed under a single contract.

1.2 LOCATION: 600 East Park Ave, Port Angeles, WA.

1.3 CONTRACTOR'S USE OF PREMISES:

1. Construction Camp: Establishment of a camp within the Park and at this location will not be permitted.

2. Work Hours: Work hours are from 7:00am to 7:00pm Monday through Friday. Weekend work will normally not be allowed. Special requests may be made through the Contracting Officer.

3. Confine storage of materials to the area as indicated during the pre-construction meeting as part of this contract. Coordinate deliveries so that deliveries fit available storage area.

4. The following conditions shall be followed during the Contractor's work while in the Park:

A. To prevent unnatural attractants to bears, no foods, garbage, drinks, trash, or food and drink containers shall be placed outside trailers or buildings, except during actual use.

B. Pets are prohibited.

C. Feeding of any wildlife is prohibited.

D. Any mishandling of garbage, trash, foods, and other potential bear attractants described above will result in the responsible person or Contractor receiving a citation subject to a fine or court appearance before the U.S. Magistrate.

Re-Roof HQ Admin Bldg 01010-2 Summary of Work

Repetition of mishandling or any case of deliberate feeding will result in loss of in-Park operation privileges.

5. Preservation of Natural Features: Confine all operations to work limits of the project. Prevent damage to natural surroundings. Restore damaged areas, repair or replace damaged trees and plants (per direction by NPS arborists and horticulturists), at no additional expense to the

Government.

6. 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 which may result from moving of equipment or materials.

1.4 FIELD VERIFICATION: Field verify all new and existing dimensions and utilities affecting the work of this Contract before ordering products.

1.5 CONTRACTOR-FURNISHED ITEMS: All materials, including borrow and aggregates, shall be

Contractor-furnished from outside the Park.

1.6 CONSTRUCTION: Requirements of the drawings and technical sections of this specification will apply to all construction.

1. The Contract Documents indicate general minimum requirements and construction methods anticipated. Other methods, details or materials may be employed if specifically approved by the

Contracting Officer. Other methods, details or materials must comply with all applicable building codes and regulations.

2. Contractor is responsible for protection of all exposed building elements during construction.

Exposed elements shall be protected at the end of each shift with temporary protection. Tear off shall not exceed reasonable production rates and forecasts for restoring watertight roof system.

Work shall begin when there is a reasonable expectation of completing the work with one month window; a winter shut down will not be allowed.

PART 2: PRODUCTS Not used.

PART 3: EXECUTION Not used.

END OF SECTION 01010

Re-Roof HQ Admin Bldg 01025-1 Definition of Bid Items

SECTION 01025 DEFINITION OF CONTRACT LINE ITEMS

PART 1 GENERAL

1.1 DESCRIPTION

1. The intent of this section is to explain, in general, what is and what is not included in a line item, and the limits or cut-off points where one line item ends and another begins.

2. If no bid item exists for a portion of the work, include the costs in a related line item.

LINE ITEM NO 1 – BASE: The work of this bid item consists of the installation of new cedar shake roof on the Olympic National Park Headquarters Administration building. Work includes the removal and disposal of the existing shake roof. Payment shall be made on a lump sum basis.

LINE ITEM NO 2 - OPTION A: The work of this bid item consists of the replacement deteriorated substrate on a square foot, unit price basis. Replacement shall be in kind, with skip sheathing above plate line or car decking at eaves to match existing. Payment shall be made on a unit price (square foot) basis.

END OF SECTION 01025

Re-Roof HQ Admin Bldg 01170-1 Accident Prevention

SECTION 01170 ACCIDENT PREVENTION

PART 1: GENERAL

1.1 DESCRIPTION: 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:

1. 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 processed until the program is approved. The program shall include:

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

B. Weekly and monthly safety meetings.

C. First aid procedures.

D. 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.

E. Training, both initial and continuing.

F. 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.

G. Housekeeping: Section 01560.

H. Fire Protection: Section 01510.

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

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

1.3 QUALITY ASSURANCE:

1. 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 site. Failure to comply with the requirements of this section and related sections may result in suspension of work.

2. Qualifications of Employees:

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

B. 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.

C. 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

Re-Roof HQ Admin Bldg 01170-2 Accident Prevention 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:

1. 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 Contracting Officer a

DI-134 form, which may be obtained from Contracting Officer.

2. All Other Accidents: The Contractor shall report all other accidents to the Contracting Officer as soon as possible and assist the Contracting Officer 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: Section 01530.

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:

1. 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.

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

3.4 SAFETY MEETINGS:

1. 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.

2. Conduct monthly safety meetings for all levels of supervision. Notify the Contracting Officer 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

Contracting Officer will enter the results of the meetings into his daily log.

3.5 HARD HATS AND PROTECTIVE EQUIPMENT AREAS:

1. 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.

2. 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.

3.6 TRAINING:

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

Re-Roof HQ Admin Bldg 01170-3 Accident Prevention

2. 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.

END OF SECTION 01170

Re-Roof HQ Admin Bldg 01200-1 Project Meetings

SECTION 01200 PROJECT MEETINGS

PART 1: GENERAL

1.1 PRE-CONSTRUCTION CONFERENCE: Before start of construction, Contracting Officer will arrange a meeting at Headquarters and an onsite meeting with Contractor. The meeting agenda will include the following as a minimum:

Correspondence procedures

Designation of responsible personnel

Labor standards provisions

Payroll reports

Changes

Payments to Contractor

Subcontractors

Park rules and regulations

Accident prevention program (including name of responsible supervisor)

Accident reporting

Documents required under the contract

Recycling program

Saturday, Sunday, holiday and night work

Safety program (compliance with the "Accident Prevention"clause of the General Provisions)

Tentative construction schedule

Submittal of shop drawings, project data, and samples

Relationship of Division 1 to other divisions

1.2 SITE MEETING: At the conclusion of the preconstruction meeting, a site meeting will be held to review conditions at the site. Some of the issues to be discussed follow:

Materials staging area

Office Trailer location

Other contracted work in the area

1.3 PROGRESS MEETINGS: The Contracting Officer will schedule periodic meetings with the

Contractor and subcontractors. Subcontractors will not be allowed to work until they have attended a meeting. Additional meetings will be held as needed or for new subcontractors. The meeting agenda will include the following as a minimum:

Approval of minutes of previous meetings

Review of work progress

Field observations, problems, and decisions

Identification of problems which impede planned progress

Review of submittals schedule and status of submittals

Effect of proposed changes on progress schedule and coordination

Re-Roof HQ Admin Bldg 01200-2 Project Meetings

Other business relating to work

END OF SECTION 01200

Re-Roof HQ Admin Bldg 01300-1 Submittals

SECTION 01300 SUBMITTALS

PART 1: GENERAL

1.1 DESCRIPTION: The work of this section consists of submittal requirements before and during construction.

1.2 RELATED REQUIREMENTS: Closeout submittals - Section 01700.

1.3 SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES:

1. General Procedures:

A. As specified in the individual sections, forward submittals to Contracting Officer at least 15 days before need for approval. Unless a different number is specified, submit three copies of each shop drawing for NPS use, three specimens of each sample, and five copies of all other submittals requested, of which three will be returned to the

Contractor. Submit any additional copies that are to be returned.

B. 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.

C. List submittals on National Park Service form DSC-1(CS). Identify the front of each sheet or item with the submittal and item number.

D. Submittals will not be accepted for review if identification is missing an incorrect amount of submittals are submitted, the transmittal form is incorrectly filled out, submittals are not coordinated, or submittals do not show evidence of Contractor's approval.

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

2. Specific Procedures:

A. Shop Drawings: Identify each copy of shop drawings with contract drawing number in lower right hand corner.

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

C. Manufacturers' Literature: Submit only pertinent pages; mark each copy of standard printed data to identify products referenced in specification section.

3. Contracting Officer's Review:

A. After approving submittals, Contracting Officer will return one copy to the Contractor.

B. If submittals are not approved, Contracting Officer will return one copy to Contractor with reasons for rejection. Resubmit, identifying changes.

C. Any work done before approval shall be at Contractor's own risk.

1.6 SIMILAR PRODUCTS OR APPROVED EQUAL:

1. For each item proposed as a "similar product or approved equal," submit items required in each section and additional supporting data, including:

A. Drawings and samples as appropriate.

B. Comparison of the qualities of the proposed item with that specified.

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

Re-Roof HQ Admin Bldg 01300-2 Submittals

D. Name, address, and telephone number of vendor plus Manufacturer's literature regarding installation, operation, and maintenance, including schematics for electrical and hydraulic systems, lubrication requirements, and parts lists.

2. "Or Equal product requests" - - no pre-award approvals will be made. The Government's evaluation of requests to substitute specified products will be made after contract award as part of the submittal review process (reference FAR clause 52.236-5). Any request for "similar product" will constitute a representation that the 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 such item and make all changes required in other elements of the work because of such item.

E. Waives all claims for additional expenses that may be incurred as a result of the use of a "similar product".

3. New 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.

PART 2: PRODUCTS Not used.

END OF SECTION 01300

Re-Roof HQ Admin Bldg 01300-3 Submittals

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 (FAR 52.236-21)

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 CM-16Rev. 4/00 (Formerly DSC-1(CS)

Re-Roof HQ Admin Bldg 01300-4 Submittals

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

CM-16 Rev. 4/00 (Formerly DSC-1(CS)

Re-Roof HQ Admin Bldg 01530-1 Barriers

SECTION 01510 TEMPORARY SERVICES

PART 1: GENERAL

1.1 DESCRIPTION: The work of this section consists of providing temporary services required for

Contractor's performance of the work of this Contract.

PART 2: PRODUCTS

2.1 GENERAL: Temporary materials may be new or used, but must be adequate in capacity for the required usage, must not create unsafe conditions, and must not violate requirements of applicable codes and standards.

2.2 FIRE PROTECTION EQUIPMENT: UL Class 2A, 2-1/2-gallon water type, stored-pressure extinguisher and UL Class 10, Type I, 15-pound B:C carbon dioxide extinguisher.

PART 3: EXECUTION

3.1 ELECTRICITY AND LIGHTING:

1. There is no commercial electrical power available at the site.

3.2 TELEPHONE:

1. No telephone service is available onsite for Contractor's use. The project sites does have cellular phone coverage.

3.3 WATER:

1. Potable water is available at the site.

3.4 SANITARY FACILITIES:

1. Contractor shall provide temporary restroom facilities.

3.5 FIRE PREVENTION AND PROTECTION:

1. A capable and qualified person shall be placed in charge of fire protection. The responsibilities shall include locating and maintaining fire protective equipment and establishing and maintaining safe torch cutting and welding procedures.

2. Hazard Control: Take all necessary precautions to prevent fire during construction. Do not store flammable or combustible liquids in buildings. Provide adequate ventilation during use of volatile or noxious substances.

3. Spark Arresters: Equip all gasoline or diesel powered equipment used in potential forest or grass fire locations with spark arresters.

4. Locate internal combustion equipment so that exhausts discharge well away from combustible materials.

5. Locate service areas a minimum of 25 feet from buildings. Shut down equipment before refueling.

6. Smoking: Smoking on the construction site is prohibited.

3.7 PROTECTION EQUIPMENT REQUIRED:

1. Buildings: Furnish a minimum of one extinguisher for each 1,500 square feet of area or major fraction thereof. Travel distance from any work station to the nearest extinguisher shall not exceed 75 feet.

2. Vehicles and Equipment: Provide one extinguisher on each vehicle or piece of equipment.

END OF SECTION 01510

Re-Roof HQ Admin Bldg 01530-2 Barriers

SECTION 01530 BARRIERS

PART 1: GENERAL

1.1 DESCRIPTION: The work of this section consists of furnishing, installing, and maintaining barriers to protect existing facilities and employees from construction operations.

PART 2: PRODUCTS

2.1 GENERAL: 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 CONSTRUCTION FENCING: Material shall be orange mesh.

2.2 BARRIER TAPE: Banner Guard, imprinted with "CAUTION: CONSTRUCTION AREA", manufactured by Reef Industries, Inc., Houston, Texas, or similar product.

PART 3: EXECUTION

3.1 PROTECTION OF PUBLIC AND EMPLOYEES:

1. The area will be closed to public vehicles, but there may be incidental visitor pedestrian traffic near the site.

2. Entrances to the building shall be protected and a plan shall be submitted on how to safely allow employees to enter and exit during construction activities.

END OF SECTION 01530

Re-Roof HQ Admin Bldg 01560-1 Temporary Controls

SECTION 01560 TEMPORARY CONTROLS

PART 1: GENERAL

1.1 DESCRIPTION: The work of this section consists of providing temporary controls.

PART 2: PRODUCTS Not Used.

PART 3: EXECUTION

3.1 HOUSEKEEPING:

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

2. Provide enough containers for collecting construction debris and construction materials to be recycled. Food storage and disposal must meet Park regulations.

3. The Contractor is encouraged to provide individually marked containers for recycling personal items, such as aluminum cans, newspapers, plastic, corrugated cardboard. These items may be recycled by the Contractor or turned over to the Park recycling committee. Demolished roof material shall be taken to park metal recycling.

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

5. Keep volatile wastes in covered containers.

3.2 DISPOSAL:

1. 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.

3.3 AIR AND WATER POLLUTION CONTROL:

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

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

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

END OF SECTION 01560

Re-Roof HQ Admin Bldg 01590-1 Field Offices

SECTION 01590 FIELD OFFICES AND SHEDS

PART 1: GENERAL

1.1 DESCRIPTION: The requirements of this section consist of furnishing, locating, and removing temporary structures, equipment, and furnishings.

1.2 RELATED REQUIREMENTS: Temporary services - Section 01510.

PART 2: PRODUCTS

2.1 CONTRACTOR'S FIELD OFFICE: Contractor may provide an office for his own use. Size, location and construction shall be subject to approval of the Contracting Officer. The location for these temporary facilities will be decided at the site meeting.

2.2 STORAGE SHEDS: Temporary weather-tight sheds or other covered facilities for storage of materials subject to weather damage. Number, size and location of structures shall be subject to

Contracting Officer's approval again decided at the pre-construction meeting.

PART 3: EXECUTION

3.1 STRUCTURES: Locate where directed by Contracting Officer, a minimum of 20 feet from permanent structures.

3.2 REMOVAL: Remove structures, equipment, and furnishings, and terminate services after punch list is 100 percent completed or when directed by Contracting Officer.

END OF SECTION 01590

Re-Roof HQ Admin Bldg 01600-1 Material and Equipment

SECTION 01600 MATERIAL AND EQUIPMENT

PART 1: GENERAL

1.1 DESCRIPTION: The work of this section consists of the general procedures for handling, storing, and protecting material and equipment.

1.2 TRANSPORTATION AND HANDLING: Arrange deliveries of materials in accordance with construction schedules; coordinate to avoid conflict with work and conditions at the site. Deliver materials in undamaged condition, in manufacturer's original containers or packaging, with identifying labels intact and legible. Contractor is encouraged to obtain materials in biodegradable or recyclable/ reusable packaging which uses the minimum amount of packaging possible.

1.3 LOCATION: Materials and equipment to be used must be stored within the contract limit line, unless specifically approved by the Contracting Officer.

1.4 STORAGE AND PROTECTION: Store materials in accordance with manufacturer's instructions, with seals and labels accessible for inspection. Conform to specific requirements in individual sections in addition to those listed below.

1. Interior Storage: Maintain temperature and humidity within the ranges required by manufacturer's instructions.

2. Exterior Storage:

A. Store products subject to damage by the elements in weather tight enclosures.

B. Store fabricated products above the ground, on blocking or skids; prevent soiling or staining. Cover products subject to damage or deterioration with impervious sheet coverings; provide adequate ventilation to avoid condensation.

C. Store loose granular materials in a well-drained area on solid surfaces to prevent mixing with foreign matter.

3. Protection After Installation: Provide adequate coverings as necessary to protect installed materials from damage resulting from natural elements, traffic, and subsequent construction.

PART 2: PRODUCTS Not used.

END OF SECTION 01600

SECTION 01700 PROJECT CLOSEOUT

PART 1: GENERAL

1.1 DESCRIPTION: The work of this section consists of final cleanup, closeout submittals, and final inspection procedures.

PART 2: PRODUCTS

2.1 CLEANING MATERIALS: As recommended by the manufacturer of surface to be cleaned.

PART 3: EXECUTION

3.1 CLEANING: Remove all tools, equipment, surplus materials, and rubbish. Restore or refinish surfaces of existing facilities that are marred, scratched, or damaged due to the work of this contract to match original condition. Remove grease, dirt, stains, foreign materials, and labels from interior and exterior finished surfaces. Sweep paved areas; rake grounds. At time of final inspection, project shall be thoroughly clean and ready for use.

3.2 CLOSEOUT SUBMITTALS: Submit before final inspection request.

1. Guarantees and Bonds: As specified in individual sections.

2. Spare Parts and Materials: As specified in individual sections.

3.3 SUBSTANTIAL COMPLETION AND FINAL INSPECTION:

1. Contractor to submit written certification that project, or designated portion of project, is substantially complete, that can be an emailed notification sent to COR and cc: CO.

2. COR will conduct an inspection and report any punchlist work or deficiencies that need corrected, to the CO as identified during the inspection, with Contractor's Site Superintendent present.

3. The CO will issue a letter of substantial completion and timeframe for contractor to complete punchlist work or correct deficient work discovered. .

4. If COR determines that the Work is not substantially complete, he will immediately notify CO and Contractor in writing, stating reasons. After completing Work, Contractor shall resubmit their request and a new final inspection will be conducted, again, by the COR with Contractor's Site Superintendent present.

3.4 ACCEPTANCE OF THE WORK: Contracting Officer shall be notified of final inspection, and if any punchlist work or deficiencies were identfied. CO will issue a letter of fter all identified punchlist items and deficiencies have been corrected, will the Contracting Officer issue a Letter of Acceptance.

3.5 POST-CONSTRUCTION INSPECTION: Before expiration of warranty period, Contracting Officer will inspect project and notify Contractor in writing of all deficiencies.

END OF SECTION 01700

Re-Roof HQ Admin Bldg 07312-1

CEDAR SHAKE ROOF

SECTION 07312

CEDAR SHAKE ROOF

PART 1 GENERAL

1 .1 DESCRIPTION

A. The work of this section consists of furnishing and installing a cedar shake roof.

1 .2 SUBMITTALS

A. Submit certificates and product data for shakes meeting grading rules.

B. Submit samples of shakes and demonstrate mock-up of install to COR prior to permanent installation.

1 .3 QUALITY ASSURANCE

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

1 .4 GUARANTEE

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

PART 2 PRODUCTS

2 .1 SHAKES

A. Cedar Shake: Premium Grade, Tapersplit, Heavy, 24-inch long with butt ends 7/8” to 1” thick.

B. Starter Course Shake: #2 Grade, 16” to 18” long or 24” Premium Grade same as above.

2 .2 HIP AND RIDGE UNITS

A. Prefabricated units complying with CSSB Grading Rules. Length, same as shakes.

2 .3 ROOFING FELT

A. ASTM D226-89, Type II (30-pound), unperforated, asphalt saturated felt.

2 .4 NAILS

A. Hot-dipped zinc coated box nails.

2 .5 EDGE BOARD

Re-Roof HQ Admin Bldg 07312-2

A. 1/2-inch by 6-inch Cedar beveled siding, C Grade.

2 .6 FLASHING AND VALLEY METAL

A. Valley Flashing: 24-inch-wide metal (before crimping), V-crimped in the center with the edges folded back ¾ inch. Metal shall be 26 gauge steel with a Kynar finish in the standard color, Weathered Copper.

B. Chimney and Flue Flashing: Provide new step flashings at chimneys. Metal shall be 24 gauge steel with a Kynar finish in the standard color, Weathered Copper.

C. Vent Flashing: Provide and install new vent jacks.

2 .7 SNOW AND ICE PROTECTION MEMBRANE

A. Ice and Water Shield by W.R Grace or Juffy Seal Ice and Water Guard by Protecto Wrap C. Denver, CO or approved equal.

PART 3 EXECUTION

3 .1 NAILING

A. Use two nails per shake, located approximately 1 inch from edge on each side, and 1-1/2 to 2 inches above exposure line of course to follow. Nails shall be long enough to penetrate at least 3/4 inch into sheathing. Adjust length selected to accommodate thickness of material being nailed; i.e., use longer nails on starter courses, hips and ridges. Drive nail flush but not into shake surface. Ensure nails do not penetrate through exposed sheathing at eaves.

3 .2 SNOW AND ICE PROTECTION MEMBRANE

A. Install on lower three feet of roofs as per the manufacturer’s recommendations

3 .3 LAYING SHAKES

A. Space shakes approximately 1/2 inch apart. Lay shake butts in straight lines, with exposure of 10 inches. Shakes shall be laid with a side lap of not less than 1-1/2 inches.

Retain the widest shakes for use on valleys. For applications not covered by this section, install shakes according to CSSB Installation Manual, March 2017 found at www.cedarbureau.org.

1. First Course: Along eaves line, lay a 36-inch-wide strip of roofing felt on the deck and nail over it the first course of shakes, made up of two layers with joints broken. Project first course 2 inches over edge of roof.

2. Second Course: When installing second or subsequent courses, apply an 18-inch-wide strip of roofing felt on top of the shake course previously laid, with the bottom edge 20 inches above the butts and the top part extending 14 inches onto the sheathing. These strips form the interlayment between courses.

3 .4 GABLE ENDS

Re-Roof HQ Admin Bldg 07312-3

A. Project shakes about 1-1/2 inches over end rafter, barge board, or molding. Tilt edge shakes slightly away from gable edge by installing edge board, with tapered edge facing inward, along rake on top of sheathing.

3 .5 VALLEYS

A. Directly on sheathing, lay strip of roofing felt wide enough to insulate valley metal from deck.

B. Install valley shakes by working from the valley outwards, using the wide shakes reserved for this purpose. Select shake widths which will enable nails to be kept as far removed as possible from center line of valley metal.

C. Expose metal at least 3 inches at top of valley and not less than 5 inches at bottom.

Trim valley shakes to conform to these lines.

3 .6 HIPS AND RIDGES

A. Center an 8-inch-wide felt strip over sheathing at ridges and hips.

B. On hips, saw butts of first course parallel with eave lines and install doubled course.

Install second and subsequent courses with 10-inch exposure and with joints in prefabricated units facing in alternate directions.

C. Install ridges like hips. Where ridges terminate in gables, start with a doubled course at each gable end and work toward middle. At center, splice with small saddle of shake butts.

3 .7 INSTALLATION OF METAL FLASHINGS FOR PIPES

A. Install flashings on top of shakes on downhill side. Do not try to conceal the downhill side of flashings.

END OF SECTION

cmanzer Typewritten Text

NOTE : ROOF PITCH - 5/12

cmanzer Callout

SHED ROOF THAT IS ALSO CEDAR ROOFING