4. Placerville Roof Specifications.pdf

Placerville Nursery Roof Replacement Project

SUMMARY OF WORK SECTION 01010-1

SECTION 010100 - SUMMARY OF WORK

PART 1 - GENERAL

1.1 PROJECT INFORMATION

A. Project Identification: Placerville Nursery Roof Replacement, Camino, California

1.2 SUMMARY

A. Work for this project consists of replacement of the metal roofing system including underlayment, gutters and downspouts, metal fascia, metal flashing and trim, and on Two

(2) buildings at the Placerville Nursery Center. These buildings include: the Extractor

Building and the Cone Building.

B. BASE ITEMS

1. 11900 Mobilization, Demobilization, and Bonding. This Item includes transport of all equipment, labor, and materials to and from the site. A safety plan is required for submittal and CO approval along with product submittals.

2. 07411-A, 07411-B, 07411-C, 07411-D Metal Roof Replacement. These items include:

a. Roofing Demolition: Remove existing metal roofing system, gutters and downspouts, and roofing underlayment, and perform all incidental demolition work. All waste materials shall be removed from government property and disposed of by the contractor in accordance with all applicable laws and regulations.

b. Anchor Installation: Installation of Miller #415, or approved equal, anchorage connector as needed for fall protection as per OSHA requirements.

c. Deck and Fascia Inspection: Contractor shall prepare a written documentation of the condition of the decking, eave and fascia structure to include photos while these elements are exposed to view. Coordinate the inspection with the

CO’s representative. Submit the report to the CO. If any deterioration is found, immediately contact the CO. Replacement may be ordered by the CO under Option Items 06110-A and 06110-B.

d. Penetrations: While roofing system is removed, verify condition of all existing roofing penetrations. Plumbing penetrations will require new elastomeric seals. Replace chimney and plumbing flanges as needed.

e. Metal Roofing Installation: Install all new ice and water shield underlayment, flashings, rake flashing (properly behind the siding), metal fascia trim, and

SUMMARY OF WORK SECTION 01010-2

metal panel roofing. Installation shall be water-tight and according to manufacturer’s installation requirements. This work shall be covered by a manufacturer’s no dollar limit (NDL) 20-year warranty, and a 2-year special installer’s warranty.

f. Gutters and Downspouts: Install gutter and downspout system to match roof color and to match existing configuration (gutter /downspout size and location) and wherever called out in project plans. Contractor shall submit new gutter attachment configuration which ensures a watertight installation.

3. 07411-E Special Installer’s Warranty:

a. Contractor shall provide a minimum 2-year warranty of roof installations.

4. 07725 Snow Guard Assembly Installation:

a. Snow Guards: Install all new fence-style, 2-pipe, snow guard assemblies designed for use with metal roofing with fasteners that do not penetrate or in any way interfere with warranties of the metal roofing. Snow guards shall be compatible with metal roofing panels and be designed to function under the local, 100 psf snow loading conditions. Snow guard installation shall be water-tight and in accordance with manufacturer’s installation requirements.

C. OPTION ITEMS

1. 06110-A Decking Replacement. This item includes removal of any wet, blistered, or damaged ¾” plywood roof sheathing materials and replacement.

2. 06110-B Fascia Replacement. This item includes removal of any damaged wood fascia materials and replacement.

1.3 GENERAL SITE CONDITIONS AND WEATHER

A. The elevation of the site is approximately 3200 feet above mean sea level. The construction site experiences coastal weather conditions, with average temperatures ranging from 38°f to 61°f, annual precipitation of 59 inches and average annual snowfall of 62 inches. The period of lowest average monthly precipitation is between July and

September.

1.4 USE OF PREMISES

A. General: Contractor shall have limited use of premises for construction operations, including use of Project site, during construction period. Contractor's use of premises is limited to the exterior of each building. The Government maintains the right to perform other unrelated work or to retain other contractors on portions of Project area during execution of the Project.

SUMMARY OF WORK SECTION 01010-3

B. Contractor shall at all times conduct operations to ensure the least inconvenience to the public and employees. The buildings will be occupied during construction. Perform construction only during working hours of 7 AM to 6 PM, Monday thru Friday, and excluding federally observed holidays, unless otherwise agreed to in advance by CO.

Clean up work areas and return to usable condition at the end of each work period.

C. Driveways, Walkways, and Entrances: Keep driveways, garage bays, and entrances serving buildings clear and available to the Government, residents, employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

D. Confine storage of materials to areas as approved by the CO.

E. Contractor shall provide adequate signing and barricades and take necessary safety measures to protect the public during all construction operations.

F. Nonsmoking Building: Smoking is not permitted within the building or within 25 feet (8

m) of entrances, operable windows, or outdoor-air intakes.

G. Protection from Damage: The contractor shall take precautions to reduce potential for damage to Government or private property on the Project site. This may include installation of signing and barricades to limit access to parking, walkways, and other features lying below, and a suitable perimeter away from active Project re-roofing areas.

The contractor shall be responsible for repair and/or restoration of buildings, equipment, materials, signage, fencing, vehicles or any other item damaged due to the Contractor’s

Project-related activities. The contractor shall take care to avoid building damage resulting from commencement of construction activities during inclement weather.

1.5 CONSTRUCTION SEQUENCE

A. There is no specified construction sequence or season for this project. The Contractor shall provide a schedule to the CO for approval prior to commencing construction.

1.6 FIELD VERIFICATION

A. Field verify all new and existing dimensions, number and size of all roof penetrations, snow guard fencing length and other required roofing materials needed to complete the work in this contract before ordering products.

1.7 MEASUREMENT AND PAYMENT

A. Payment:

1. 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, and as shown on the drawings.

2. 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.

B. Units of Measurement:

SUMMARY OF WORK SECTION 01010-4

1. Square Foot- Quantities will be measured by the Contractor subject to verification by the Contracting Officer.

2. Lump Sum quantities will not be measured.

C. Methods of Measurement:

1. ACTUAL QUANTITIES (AQ)

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

2. LUMP SUM QUANTITIES (LSQ)

a. 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.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 010100

February 2021

MOBILIZATION SECTION 011900- 1

SECTION 011900 - MOBILIZATION

1.1 SUMMARY

A. This item is intended to compensate the Contractor for operations including, but not limited to, those necessary for the movement of personnel, equipment, supplies, and incidentals to the project site; for payment of premiums for bonds and insurance for the project; and for any other work and operations which must be performed or costs that must be incurred incident to the initiation of meaningful work at the site and for which payment is not otherwise provided for under the contract.

B. Prior to initial move-in, the Contractor shall make all construction equipment available for inspection by the Forest Service at an agreed upon location. Provide the Forest Service at least 36 hours advance notification when equipment is ready for inspection.

C. Contractor shall investigate project conditions, verify measurements prior to beginning of work, and report any issues to the CO immediately.

1.2 MEASUREMENT AND PAYMENT

A. The measurement shall be lump sum for mobilization. Payment shall be as follows:

1. Bond premiums will be reimbursed after receipt of the evidence of payment.

2. 50% of the lump sum, not to exceed 5% of the original contract amount, will be paid following completion of 5% of the original contract amount not including mobilization and bond premiums.

3. Payment of the remaining portion of the lump sum, up to 10% of the original contract amount, will be paid following completion of 10% of the original contract amount not including mobilization and bond premiums.

4. Any portion of the lump sum in excess of 10% of the original contract amount will be paid after final acceptance.

5. Progress payments for mobilization and preparatory work shall be subject to retainage.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION (NOT USED)

END OF SECTION 011900

August 2020

013300 - 1

SUBMITTAL PROCEDURES

SECTION 013300- SUBMITTAL PROCEDURES

PART 1- GENERAL

1.1 SUMMARY

A. This Section includes administrative and procedural requirements for submitting Shop

Drawings, Product Data, Samples, and other miscellaneous submittals.

1.2 DEFINITIONS

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

Submittals may be rejected for not complying with requirements.

1.3 SUBMITTAL PROCEDURES

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

1. 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.

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

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

1. Initial Review: Allow 10 days for initial review of each submittal. Allow addi-tional 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.

2. If intermediate submittal is necessary, process it in same manner as initial sub-mittal.

3. Allow 10 days for processing each resubmittal.

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

C. Identification: Place title block on each submittal for identification.

1. Include the following information on label for processing and recording action taken:

a. Project name.

b. Date.

c. Name and address of Contractor.

d. Name of manufacturer.

013300 - 2

e. Unique identifier, including revision number.

f. Number and title of appropriate Specification Section.

g. Drawing number and detail references, as appropriate.

h. Other necessary identification.

D. Deviations: Highlight, encircle, or otherwise identify deviations from the Contract

Documents on submittals.

E. Use for Construction: Use only final submittals with mark indicating action taken by

CO in connection with construction.

PART 2 – PRODUCTS

2.1 ACTION SUBMITTALS

A. General: Prepare and submit Action Submittals required by individual Specification

Sections.

1. Number of Copies: Submit three copies of each submittal, unless otherwise in-dicated. CO will return two copies. Mark up and retain one returned copy as a

Project Record Document.

B. Product Data: Collect information into a single submittal for each element of con-struction and type of product or equipment.

1. 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.

2. Mark each copy of each submittal to show which products and options are ap-plicable.

3. Include the following information, as applicable:

a. Manufacturer's written recommendations.

b. Manufacturer's product specifications.

c. Manufacturer's installation instructions.

d. Manufacturer's catalog cuts.

e. Compliance with recognized trade association standards.

f. Compliance with recognized testing agency standards.

C. Shop Drawings: Prepare Project-specific information, drawn accurately to scale. Do not base Shop Drawings on reproductions of the Contract Documents or standard printed data.

1. Preparation: Include the following information, as applicable:

a. Dimensions.

b. Identification of products.

c. Fabrication and installation drawings.

d. Notation of dimensions established by field measurement.

013300 - 3

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

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

2.2 INFORMATIONAL SUBMITTALS

A. General: Prepare and submit Informational Submittals required by other Specification

Sections.

1. Number of Copies: Submit two copies of each submittal, unless otherwise indi-cated. CO will not return copies.

2. Certificates and Certifications: Provide a notarized statement that includes sig-nature of entity responsible for preparing certification. Certificates and certifi-cations shall be signed by an officer or other individual authorized to sign doc-uments on behalf of that entity.

B. Manufacturer's Instructions: Prepare written or published information that documents manufacturer's recommendations, guidelines, and procedures for installing or operat-ing a product or equipment. Include name of product and name, address, and tele-phone number of manufacturer.

PART 3 – EXECUTION

3.1 GENERAL

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

B. Submittals not required by the Contract Documents will not be reviewed and may be discarded.

END OF SECTION 01330

AUGUST 2019

014300 - 1

CONTRACTOR QUALITY CONTROL

SECTION 014300- CONTRACTOR QUALITY CONTROL

1.PART 1 - GENERAL

1.01 DESCRIPTION

A. The work of this section consists of preparing and executing a quality control program.

1.02 SUBMITTALS

A. As specified in Section 013300 “Submittal Procedure”.

B. Quality Control Plan:

1. At the time of the preconstruction conference, submit for approval a written Contractor Quali-ty Control (CQC) plan.

2. If the plan requires any revisions or corrections, the Contractor shall resubmit the plan within

10 days.

3. The Government reserves the right to require changes in the plan during the contract period as necessary to obtain the quality specified.

4. No change in the approved plan may be made without written concurrence by the Contracting

Officer.

5. The plan shall include:

a. A list of personnel responsible for quality control and assigned duties. Include each person's qualifications.

b. A copy of a letter of direction to the Contractor's Quality Control Supervisor outlining as-signed duties.

c. Names, qualifications, and descriptions of laboratories to perform sampling and testing, and samples of proposed report forms.

014300 - 2

d. Methods of performing, documenting, and enforcing quality control of all work.

e. Methods of monitoring and controlling environmental pollution and contamination as required by regulations and laws.

C. Contractor's Quality Control Daily Reports: Submit showing all inspections and tests on the first workday following the date covered by the report.

D. Test Reports:

1. Submit Daily Test Information Sheets with Quality Control Daily Reports.

2. Submit failing test results and proposed remedial actions within four hours of noted deficien-cy.

3. Submit three copies of complete test results not later than three calendar days after the test was performed.

E. Off-Site Inspection Reports: Submit prior to shipment.

F. If the CQC plan and Quality Control Daily Reports are not submitted as specified, the Con-tracting Officer may retain all payments until such time a plan is approved and implemented.

1.03 QUALITY ASSURANCE

A. General:

1. The quality of all work shall be the responsibility of the Contractor. Testing shall be the re-sponsibility of an independent testing laboratory under the direction of the Contractor

014300 - 3

2. Inspect and test all work often enough to ensure that the quality of materials, workmanship, construction, finish, and functional performance is in compliance with applicable specifications and drawings.

3. Quality Control Daily Reports shall be completed by the Quality Control Supervisor.

4. Test reports shall be completed by person performing the test.

5. The Contracting Officer may designate locations of tests.

a. Design and complexity of the project.

b. Location of the project.

c. Characteristics of area construction labor market.

d. Duration of project.

e. Cost and type of contract.

f. Amount and type of off-site fabrication.

B. Quality Control Staff:

1. The Contractor’s Quality Control Supervisor may also perform the duties of Project Superin-tendent.

2. The Contractor’s designated Quality Control Supervisor/Project Superintendent shall be on the project site whenever contract work is in progress.

3. The Contractor’s job supervisory staff may be used to assist the Quality Control Supervi-sor/Project Superintendent, supplemented as necessary by additional certified testing technicians.

C. Testing Laboratory and Equipment:

014300 - 4

1. Employ certified independent laboratories to perform sampling and testing. The testing labora-tory organization shall be certified for the type of testing work to be done.

2. All measuring devices, laboratory equipment, and instruments shall be calibrated at estab-lished intervals against certified standards in accordance with NBS requirements. Upon request, measuring and testing devices shall be made available for use by the Government for verification tests.

2. PART 2 – PRODUCTS (NOT USED)

3. PART 3 – EXECUTION

3.01 OFF-SITE CONTROL

A. Items that are fabricated or assembled off-site shall be inspected for quality control at the place of fabrication.

3.02 ON-SITE CONTROL

A. Notification:

1. Notify the Contracting Officer at least 48 hours in advance of the preparatory phase meeting.

2. Notify the Contracting Officer at least 24 hours in advance of the initial and follow-up phases.

B. Preparatory Phase: Perform before beginning each feature of work.

1. Review control submittal requirements with personnel directly responsible for the quality con-trol work. As a minimum, the Contractor's Quality Control Supervisor and the foreman responsi-ble for the feature of work shall be in attendance.

2. Review all applicable specifications sections and drawings related to the feature of work.

014300 - 5

3. Ensure that copies of all referenced standards related to sampling, testing, and execution for the feature of work are available on site.

4. Ensure that provisions have been made for field control testing.

5. Examine the work area to ensure that all preliminary work has been completed.

6. Verify all field dimensions and advise the Contracting Officer of discrepancies with contract documents.

7. Ensure that necessary equipment and materials are at the project site and that they comply with approved shop drawings and submittals.

8. Prepare a report on all preparatory phase activities and discussions. Attach report to Contrac-tor's Quality Control Daily Report.

C. Initial Phase:

1. As soon as work begins, inspect and test a representative portion of a particular feature of work for quality of workmanship.

2. Review control-testing procedures to ensure compliance with contract requirements.

3. Prepare a report on all initial phase activities and discussions. Attach report to Contractor's

Quality Control Daily Report. Exact location of initial phase shall be indicated for future refer-ence and comparison with follow-up phases.

D. Follow-Up Phase: Inspect and test as work progresses to ensure compliance with contract re-quirements until completion of work.

E. Additional Preparatory and Initial Phases: Additional preparatory and initial phases may be required on the same feature of work for the following reasons:

1. Quality of on-going work is unacceptable.

2. Changes occur in the applicable quality control staff, on-site production supervision, or work crew.

014300 - 6

3. Work on a particular feature of work is resumed after a substantial period of inactivity.

3.03 DOCUMENTATION

A. Maintain Quality Control Daily Reports and Daily Test Report Information Sheets (samples attached) of quality control activities and tests.

B. Quality Control Daily Reports may not be substituted for other written reports required under clauses of the contract, such as Disputes, Differing Site Conditions, or Changes.

3.04 ENFORCEMENT

A. The Contractor shall stop work on any item or feature pending satisfactory correction of any deficiency noted by the quality control staff or the Contracting Officer.

4. PART 4 - MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT

A. There will be no separate measurement or payment for work in this section. Payment will be included at the contract unit price as shown on the Schedule of items.

END OF SECTION 014300

017010 - 1

ACCIDENT PREVENTION

SECTION 017010

1. PART 1 GENERAL

1.01 DESCRIPTION

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

1.02 SUBMITTALS

1. 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 com-pliance with OSHA and project requirements. If the program requires any revisions or correc-tions, 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, government personnel, and the 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 con-struction, site conditions, and degree of exposure of persons and property.

017010 - 2

2. Certificates: Provide certificates from a mechanic that all mechanical equipment has been in-spected and meets OSHA requirements.

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

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

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

1.03 QUALITY ASSURANCE

1. Clauses entitled "Accident Prevention" and "Permits and Responsibilities" of the General Pro-visions. 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 al-lowed on the project sites. 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 man-ner.

b. 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.

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 equipment. Newly hired operators shall be individually tested by an experienced operator or supervisor to determine if they are capable of safely operating equipment.

1.01 ACCIDENT REPORTING

1. Reportable Accidents: A reportable accident is defined as death, occupational disease, trau-matic injury to employees or the public, property damage by accident in excess of $100, and

017010 - 3 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.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. PART 2 – PRODUCTS (NOT USED)

3. PART 3 – EXECUTION

3.01 FIRST AID FACILITIES:

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

3.02 PERSONNEL PROTECTIVE EQUIPMENT:

A. Meet requirements of NIOSH and MSHA, where applicable, as well as ANSI

3.03 EMERGENCY INSTRUCTIONS:

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

3.04 ESCAPE ROUTES:

A. 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.

3.05 PROTECTIVE EQUIPMENT

A. PERSONNEL PROTECTIVE EQUIPMENT:

1. Meet requirements of NIOSH and MSHA, where applicable, as well as ANSI

017010 - 4

2. 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 ba-sis to ensure safe operation.

3.06 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 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.

3.07 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 Con-tractor 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.

3.08 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.

4. PART 4 - MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT

017010 - 5

A. There will be no separate measurement or payment for work in this section. Payment will be included at the contract unit price as shown on the Schedule of items.

END OF SECTION 017010

SELECTIVE DEMOLITION SECTION 017320- 1

SECTION 017320 - SELECTIVE DEMOLITION

1.1 SUMMARY

A. This Section includes demolition and removal of the following:

1. Removal of all roofing system materials scheduled for removal or replacement.

1.2 DEFINITIONS

A. Remove: Detach items from existing construction and legally dispose of off-site, unless indicated to be removed and salvaged or removed and reinstalled.

1.3 MATERIALS OWNERSHIP

A. Except for items or materials indicated to be reused, salvaged, reinstalled, or otherwise indicated to remain Government property, demolished materials shall become

Contractor's property and shall be removed from Project site.

1.4 QUALITY ASSURANCE

A. Regulatory Requirements: Comply with governing State of California or federal notification regulations before beginning selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

B. Standards: Comply with ASSE/ANSI A10.6 and NFPA 241.

1.5 PROJECT CONDITIONS

A. Government will occupy buildings onsite during this construction. Conduct selective demolition to limit impact to Government operations onsite. Provide not less than 72 hours' notice to CO of activities that will affect Government operations.

B. Hazardous Materials: It is not expected that hazardous materials will be encountered in the Work.

1. If materials suspected of containing hazardous materials are encountered, do not disturb; immediately notify Contracting Officer (CO).

C. Storage or sale of removed items or materials on-site will not be permitted.

1.6 WARRANTY

A. Existing Warranties: Remove, replace, patch, and repair materials damaged during selective demolition, by methods and with materials so as not to void existing warranties.

SELECTIVE DEMOLITION SECTION 017320- 2

PART 2 - PRODUCTS

2.1 REPAIR MATERIALS

A. Use repair materials identical to existing materials.

1. If identical materials are unavailable or cannot be used for exposed surfaces, use materials that visually match existing adjacent surfaces to the fullest extent possible.

2. Use materials whose installed performance equals or surpasses that of existing materials.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that utilities have been disconnected and capped.

B. Survey existing conditions and correlate with requirements indicated to determine extent of selective demolition required.

C. When unanticipated mechanical, electrical, or structural elements that conflict with intended function or design are encountered, investigate and measure the nature and extent of conflict. Promptly submit a written report to CO.

3.2 PATCHING AND REPAIRS

A. General: Promptly repair damage to adjacent construction caused by selective demolition operations.

B. Repairs: Where repairs to existing surfaces are required, patch to produce surfaces suitable for new materials.

C. Finishes: Restore exposed finishes of patched areas and extend restoration into adjoining construction in a manner that eliminates evidence of patching and refinishing.

D. Floors and Walls: Where walls or partitions that are demolished extend one finished area into another, patch and repair floor and wall surfaces in the new space. Provide an even surface of uniform finish color, texture, and appearance. Remove existing floor and wall coverings and replace with new materials, if necessary, to achieve uniform color and appearance.

E. Ceilings: Patch, repair, or re-hang existing ceilings as necessary to provide an even-plane surface of uniform appearance.

SELECTIVE DEMOLITION SECTION 017320- 3

3.3 DISPOSAL OF DEMOLISHED MATERIALS

A. General: Promptly dispose of demolished materials. Do not allow demolished materials to accumulate on-site.

B. Burning: Do not burn demolished materials.

C. Disposal: Transport demolished materials off Government property and legally dispose.

END OF SECTION 017320

ROUGH CARPENTRY SECTION 06100-1

SECTION 06100 - ROUGH CARPENTRY

1.1 SUMMARY

A. Provide wood sheathing, nails, bolts, screws, framing anchors and other rough hardware, and other items as needed for a complete and proper installation.

1.2 SUBMITTALS

A. Product Data: Submit manufacturer's product data and installation instructions for each material and product used.

1.3 QUALITY ASSURANCE

A. Comply with governing codes and regulations. Provide products of acceptable manufacturers, which have been in satisfactory use in similar service for three years. Use experienced installers. Deliver, handle, and store materials in accordance with manufacturer's instructions.

B. Construction Panel Standards: DOC PS 1, U.S. Product Standard for

Construction and Industrial Plywood; APA PRP-108.

C. Preservative Treatment: AWPA C2 for lumber and AWPA C9 for plywood;

waterborne pressure treatment. Provide for wood in contact with soil, concrete, masonry, roofing, flashing, dampproofing and waterproofing.

D. Fire-Retardant Treatment: AWPA C20 for lumber and AWPA C27 for plywood; noncorrosive type. Provide at building interior where required by code.

1.4 MEASUREMENT AND PAYMENT

A. There will be no separate measurement or payment for work in this section.

Payment will be included at the contract unit price as shown on the Schedule of

Items.

B. Plywood sheathing replacement will be paid under Option Item 06110.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Construction Panels:

1. ¾” Plywood Roof Sheathing: Exterior, Structural I Sheathing. Thickness shall match existing.

B. Auxiliary Materials:

1. Framing Anchors and Fasteners: Non-corrosive, suitable for load and exposure. Drywall screws are not acceptable. Nails shall be galvanized 8d.

ROUGH CARPENTRY SECTION 06100-2

3.1 INSTALLATION

A. Securely attach rough carpentry work to substrate by anchoring and fastening as indicated.

B. Plywood: Comply with applicable recommendations contained in APA Form

No. E30K, "APA Design/Construction Guide: Residential & Commercial"

C. Provide nailers, blocking and grounds where required. Set work plumb, level and accurately cut.

D. Install materials and systems in accordance with manufacturer's instructions and approved submittals. Install materials and systems in proper relation with adjacent construction. Coordinate with other work.

E. Place plywood with face grain perpendicular to support and continuously over at least two supports, except where otherwise shown on the drawings.

F. Center joints accurately over supports, unless otherwise shown on the drawings.

G. Comply with manufacturer's requirements for cutting, handling, fastening and working treated materials.

H. Restore damaged components. Protect work from damage.

3.2 FASTENING

A. Use only common wire nails or spikes, except where otherwise specifically noted on the drawings.

B. For conditions not covered provide penetration into the piece receiving the point of not less than ½ the length of the nail or spike, provided, however, that 16d nails may be used to connect two pieces of 2” (nominal) thickness.

C. Nail without splitting wood.

D. Pre-bore as required.

E. Remove split members and replace with members complying with the specified requirements.

END OF SECTION

SECTION 077253 - SNOW GUARDS

1.1 SECTION REQUIREMENTS

A. Submittals: Product Data, shop drawings and product sample.

2.1 PAD-TYPE SNOW GUARDS – NOT USED

2.2 RAIL-TYPE SNOW GUARDS

A. Seam-Mounted, Rail-Type Snow Guards:

1. Dual rail style snow fence system as manufactured by S-5!, or approved equal

2. Description: Brackets with two rails and mounting hardware.

3. Material and Finish: Aluminum; mill finish.

3.1 INSTALLATION

A. Attachment for Standing-Seam Metal Roofing:

1. Hardware shall include all 1-inch diameter rails, endcaps, rail splices, two rail brackets, inter-seam snow retention clips, standing seam mounting clamps and all other hardware necessary for installation in accordance with manufacturer’s recommendations.

2. Do not use fasteners that penetrate metal roofing.

3. Seam-Mounted, Rail-Type Snow Guards: Stainless-steel clamps and set screws attached to vertical ribs of standing-seam metal roof panels. Set screws may not penetrate seam material.

END OF SECTION 077253

SNOW GUARDS 077253 - 1

Placerville Nursery Roof

Replacement Project

METAL ROOF PANELS SECTION 07411 - 4

SECTION 07411 METAL ROOF PANELS

1.1 SUMMARY

A. This Section includes the following:

1. Factory-formed and field-assembled, standing-seam metal roof panels.

1.2 PERFORMANCE REQUIREMENTS

A. Wind-Uplift Resistance: Comply with UL 580 class 90 and ASTM E 1592 wind-uplift resistance. Installations shall be capable of withstanding 120 mph design wind speeds and

1-75 negative uplift pressures

B. Structural Performance: Capable of withstanding the effects of gravity loads and the following loads and stresses, based on testing according to ASTM E 1592, E1646, E1680:

1. Deflection Limits: Vertical deflections no greater than 1/240 of the span.

C. Seismic Performance: Provide metal roof panel assemblies capable of withstanding the effects of earthquake motions determined according to ASCE 7, "Minimum Design Loads for Buildings and Other Structures": Section 9, "Earthquake Loads" for Seismic Zone D.

D. Performance shall meet or exceed State of California minimum design requirements.

1.3 SUBMITTALS

A. Product Data: For each type of metal roof panel and accessory indicated.

1. Include details of edge conditions, joints, panel profiles, corners, anchorages, trim, flashings, closures, and accessories.

B. Coordination Drawings: Drawn to scale and coordinating metal roof panel installation with penetrations.

C. Samples: For each exposed finish.

METAL ROOF PANELS SECTION 07411 - 5

D. Material certificates.

E. Maintenance data.

1.4 QUALITY ASSURANCE

A. Installer Qualifications: An employer of workers trained and approved by manufacturer.

1.5 WARRANTY

A. NDL Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of metal roof panel assemblies that fail in materials or work-manship within specified warranty period.

1. Failures include, but are not limited to, the following:

a. Structural failures, including rupturing, cracking, or puncturing.

b. Deterioration of metals, metal finishes, and other materials beyond normal weathering.

c. Deterioration of fluoropolymer finish including chipping, cracking, or color change in excess of 5 NBS units under normal wind and weathering conditions.

2. Warranty Period: 20 years from date of Substantial Completion.

B. Special Warranty: Installer's warranty in which installer agrees to repair or replace components of roof assembly installation that fail in workmanship within specified warranty period.

1. Failures include, but are not limited to, the following:

a. Failure to produce a watertight roofing system.

2. Warranty Period: 2 years from date of Substantial Completion.

2.1 PANEL MATERIALS

A. Metallic Coated Steel Sheet Prepainted with Coil Coating: Steel sheet metallic coated by the hot-dip process and prepainted by the coil-coating process to comply with ASTM A

755/A 755M.

1. Aluminum-Zinc Alloy-Coated Steel Sheet: 24-gauge, ASTM A 792/A 792M, Class

AZ55 coating designation, Grade 40 (Class AZM150 coating designation, Grade

METAL ROOF PANELS SECTION 07411 - 6

275); structural quality.

2. Surface: Smooth, flat finish.

3. Exposed Finishes:

a. High-Performance Organic Finish: Factory applied, thermocured system with fluoropolymer coats containing not less than 70 percent polyvinyli-dene fluoride resin by weight; complying with physical properties and coating performance requirements of AAMA 2605, except as modified below:

1) Humidity Resistance: 1000 hours.

4. Concealed Finish: Off-white colored polyester backer finish.

B. Panel Sealants:

1. Sealant Tape: Pressure-sensitive, gray polyisobutylene compound sealant tape with release-paper backing; 1/2 inch (13 mm) wide and 1/8 inch (3 mm) thick.

2. Joint Sealant: ASTM C 920; as recommended in writing by metal roof panel manufacturer.

3. Butyl-Rubber-Based, Solvent-Release Sealant: ASTM C 1311.

2.2 UNDERLAYMENT MATERIALS

A. Self-Adhering, 40 mils (0.76 to 1.0 mm) thick minimum, consisting of slip-resisting polyethylene-film top surface laminated to layer of butyl or SBS-modified asphalt adhesive, with release-paper backing; cold applied. Provide primer when recommended by underlayment manufacturer.

1. Low Temperature Flexibility: Passes after testing at minus 20 deg F (29 deg C); ASTM

D 1970.

2. Tensile Strength, Membrane: 250 psi (1720 kN/m2) ASTM D412 (Die C modified).

3. Elongation, Membrane: 250% ASTM D412 (Die C modified).

4. Adhesion to Plywood: 3.0 lbs/in. width (525 N/m) ASTM D903.

5. Permeance (Max): 0.05 Perms (2.9 ng/m2s Pa) ASTM E96.

6. Material Weight Installed (Max): 0.3 lb/ft2 (1.3 kg/m2) ASTM D461.

7. Code and Standards Compliance: Grace Ice and Water Shield meets the following:

a. Underwriters Laboratories Inc. Class A fire classification under fiber-glass shingles and Class C under organic felt shingles (per ASTM E108/UL 790).

b. Underwriters Laboratories Inc. Classified Sheathing Material Fire Resistance

Classification with Roof Designs: P225, P227, P230, P237, P259, P508, P510, P512, P514, P701, P711, P717, P722, P723, P732, P734, P736, P742, P803, P814, P818, P824

c. ICC ESR-1677 approval according to AC-48 Acceptance Criteria for Self-Adhered

METAL ROOF PANELS SECTION 07411 - 7

underlayment used as Ice Barriers.

2.3 MISCELLANEOUS METAL FRAMING

A. General: Comply with ASTM C 754 for conditions indicated.

1. Steel Sheet Components: Complying with ASTM C 645 requirements for metal and with corrosion-resistant zinc coating.

B. Hat-Shaped, Rigid Furring Channels: ASTM C 645.

1. Minimum Base Metal Thickness: 0.0312 inch (0.79 mm).

2. Depth: As indicated

C. Cold-Rolled Furring Channels: 0.0538-inch (1.37-mm) bare steel thickness, with min-imum 1/2-inch (13-mm) wide flange.

1. Depth: As indicated

2. Furring Brackets: Adjustable, corrugated-edge type of steel sheet with mini-mum bare steel thickness of 0.0312 inch (0.79 mm).

3. Tie Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft temper, 0.0625-inch

(1.59-mm) diameter wire, or double strand of 0.0475-inch- (1.21-mm) diameter wire.

D. Z-Shaped Furring: With slotted or nonslotted web, face flange of 1-1/4 inches (32 mm), wall attachment flange of 7/8 inch (22 mm), minimum bare metal thickness of 0.0179 inch (0.45 mm), and depth required to fit insulation thickness indicated.

2.4 MISCELLANEOUS MATERIALS

A. Fasteners: Self-tapping screws, bolts, nuts, self-locking rivets and bolts, end-welded studs, and other suitable fasteners designed to withstand design loads. Provide exposed fasteners with heads matching color of metal roof panels by means of plastic caps or factory-applied coating.

1. Fasteners for Roof Panels: Self-drilling or self-tapping, zinc-plated, hex-head carbon-steel screws, with a stainless-steel cap or zinc-aluminum-alloy head and

EPDM or neoprene sealing washer.

2. Fasteners for Roof Panels: Self-drilling or self-tapping 410 stainless or zinc-alloy steel hex washer head, with EPDM or PVC washer under heads of fasteners bearing

METAL ROOF PANELS SECTION 07411 - 8

on weather side of metal roof panels.

3. Fasteners for Flashing and Trim: Blind fasteners or self-drilling screws with hex washer head.

4. Blind Fasteners: High-strength aluminum or stainless-steel rivets

B. Bituminous Coating: Cold-applied asphalt mastic, SSPC-Paint 12, compounded for 15-mil (0.4-mm) dry film thickness per coat. Provide inert-type noncorrosive com-pound free of asbestos fibers, sulfur components, and other deleterious impurities.

2.5 METAL ROOF PANELS

A. Standing Seam Metal Roof Panels: Factory-formed, designed to be field assembled by lapping and interconnecting raised side edges of adjacent panels with joint type in-dicated and mechanically attaching panels to supports using concealed clips inside laps. Include clips, cleats, pressure plates, and accessories required for weathertight installation.

1. Available Manufacturers:

a. Shur-Lock (New Tech Machinery Corp. 675) concealed fastened structural standing seam custom metal panel roofing as manufactured by HPM Building

Supply or approved equal.

2. Type: Vertical rib, snap joint as indicated on Drawings.

3. Material: 24-gauge aluminum-zinc alloy coated steel sheet

a. Exterior Finish: Fluoropolymer. Flouroceram

Kynar 500 or approved equal.

b. Color: Contractor to provide color samples and color to be chosen and approved by CO.

4. Clips: Floating to accommodate thermal movement, or as recommended by the panel manufacturer.

a. Material: Metallic-coated-steel sheet.

5. Joint Type: Double folded.

6. Panel Coverage: ribs 13” on center.

7. Panel Height: 1-3/4”.

8. Uplift Rating: UL 90.

2.6 ACCESSORIES

A. Roof Panel Accessories: Provide components required for a complete metal roof panel assembly including trim, copings, fasciae, corner units, ridge closures, clips, flashings, sealants, gaskets, fillers, closure strips, and similar items. Match material and finish of metal roof panels, unless otherwise indicated.

METAL ROOF PANELS SECTION 07411 - 9

1. Closures: Provide closures at eaves and ridges, fabricated of same metal as metal roof panels.

2. Clips: Minimum 0.0625-inch (1.6-mm) thick, stainless steel panel clips designed to withstand negative-load requirements.

3. Cleats: Mechanically seamed cleats formed from minimum 0.0250-inch (0.64-mm) thick, stainless steel or nylon-coated aluminum sheet.

4. Closure Strips: Closed-cell, expanded, cellular, rubber or crosslinked, polyole-fin-foam or closed-cell laminated polyethylene; minimum 1-inch (25-mm) thick, flexible closure strips; cut or premolded to match metal roof panel profile. Provide closure strips where indicated or necessary to ensure weathertight construction.

B. Flashing and Trim: Formed from 0.0179-inch (0.45-mm) thick, metallic-coated steel sheet. Provide flashing and trim as required to seal against weather and to provide finished appearance. Locations include eaves, rakes, corners, bases, framed openings, ridges, fasciae, and fillers. Finish flashing and trim with it finishes system as adjacent metal roof panels.

C. Gutters: Formed from 0.0179 inch (0.45-mm) thick, metallic coated steel sheet. Match profile of gable trim, complete with end pieces, outlet tubes, and other special pieces as required. Fabricate in minimum length to provide seamless sections, sized according to

SMACNA's "Architectural Sheet Metal Manual." Furnish gutter supports spaced 24 inches (600 mm) o.c., fabricated from same metal as gutters. Provide bronze, copper, or aluminum wire ball strainers at outlets. Finish gutters to match roof fascia.

D. Downspouts: Formed from 0.0179 inch (0.45-mm) thick, metallic coated steel sheet; in 10-foot (3m) long sections, complete with formed elbows and offsets.

Finish downspouts to match metal roof panels.

2.7 FABRICATION

A. General: Fabricate and finish metal roof panels and accessories at the factory to greatest extent possible, by manufacturer's standard procedures and processes, as necessary to fulfill indicated performance requirements demonstrated by laboratory testing. Comply with indicated profiles and with dimensional and structural requirements.

B. Provide panel profile, including major ribs and intermediate stiffening ribs, if any, for full length of panel.

C. Where indicated, fabricate metal roof panel joints with factory-installed captive gas-kets

METAL ROOF PANELS SECTION 07411 - 10

or separator strips that provide a tight seal and prevent metal-to-metal contact, in a manner that will minimize noise from movements within panel assembly.

D. Sheet Metal Accessories: Fabricate flashing and trim to comply with recommenda-tions in

SMACNA's "Architectural Sheet Metal Manual" that apply to the design, di-mensions, metal, and other characteristics of item indicated.

E. Protect mechanical and painted finishes on exposed surfaces from damage by applying a strippable, temporary protective covering before shipping.

METAL ROOF PANELS SECTION 07411 - 11

3.1 PREPARATION

A. Install flashings and other sheet metal to comply with requirements specified in Divi-sion

7 Section "Sheet Metal Flashing and Trim."

3.2 UNDERLAYMENT INSTALLATION

A. Self-Adhering Sheet Underlayment: Install self-adhering sheet underlayment, wrinkle free, on roof sheathing under metal roof panels. Comply with temperature restrictions of underlayment manufacturer for installation; use primer rather than nails for in-stalling underlayment at low temperatures. Apply over entire roof, in shingle fashion to shed water, with end laps of not less than 6 inches (150 mm) staggered 24 inches (600 mm) between courses. Overlap side edges not less than 3-1/2 inches (90 mm). Extend underlayment into gutter trough. Roll laps with roller. Cover underlayment within 14 days.

3.3 METAL ROOF PANEL INSTALLATION, GENERAL

A. General: Provide metal roof panels of full length from eave to ridge, unless otherwise indicated or restricted by shipping limitations. Anchor metal roof panels and other components of the Work securely in place, with provisions for thermal and structural movement.

1. Field cutting of metal roof panels by torch is not permitted.

2. Rigidly fasten eave end of metal roof panels and allow ridge end free movement due to thermal expansion and contraction. Predrill panels.

3. Provide metal closures at peaks, rake edges, rake walls, and, each side of ridge and hip caps.

4. Flash and seal metal roof panels with weather closures at eaves, rakes, and at pe-rimeter of all openings. Fasten with self-tapping screws.

5. Locate panel splices over, but not attached to, structural supports. Stagger panel splices and end laps to avoid a four-panel lap splice condition.

6. Lap metal flashing over metal roof panels to allow moisture to run over and off the material.

B. Fasteners:

1. Steel Roof Panels: Use stainless-steel fasteners for surfaces exposed to the exterior

METAL ROOF PANELS SECTION 07411 - 12

and galvanized steel fasteners for surfaces exposed to the interior.

C. Metal Protection: Where dissimilar metals…