SPECIFICATIONS.pdf

Angeles National Forest Forest Wide Roof Repair and Replacement

SPECIFICATIONS

FOREST-WIDE ROOFING DIVISION 0 TC-1

TABLE OF CONTENTS

Section

01010 Summary of Work 01060 Applicable Codes and Standards 01330 Submittal Procedures 01400 Quality control and Quantity Measurement 01524 Construction Waste Management 01600 Use of Government Facilities 01700 Project Cleanup 01732 Selective Site Demolition 01910 Mobilization 02050 Demolition 06201 Carpentry 07330 Cedar Shake 07333 Built Up Bituminous Roofing 07335 Composition Shingles 07610 Standing Seam Metal Roofing 07620 Flashing and Sheet Metal 07920 Joint Sealants

SECTION 01010

SUMMARY OF WORK

Forest-wide Roofing DIVISION 1 01010-1 Angeles National Forest

PART 1 - GENERAL

1.01 SCOPE: This project consists of removing and replacing the roofs of three (3) buildings and repairing three (3) existing roofs located on the Angeles National Forest. The locations and brief description are as follows:

Site Location Description 1 Big Tujunga Station

Engine Garage (FS Bldg #1517)

Replacement of existing flat roof (approximately 34’-0” x 62’-4”) made up of 4-ft rolled composition gravel, including underlayment and structural elements that have major deterioration; New roof replacement shall be rolled composition roofing or built-up roofing (Option Item).

2 Valyermo Station Barracks Building (FS Bldg#1324)

Replacement of existing roofing (approximately 60’-0” x 32’-0”) with a pitch of 9:12, including three porches (approximately 7’-0” x 18’-0”;

Existing roof is made up of asphalt shingles; New roof replacement shall be in-kind with new composition shingles roofing and new underlayment.

3 Acton District Office (DO) Building (FS Bldg #2019)

Roof leak at existing interaction of pitched section with concrete wall, AS SHOWN ON THE DRAWINGS; Metal roofing shall be exposed to determine location of water leak; Repair as needed and test repair with water pressure to ensure mitigation is completed.

4 Mt Baldy Visitor Center (VIS) Building (FS Bldg #A2009VC)

Roof leak at existing flat roof location, AS SHOWN ON THE DRAWINGS; Asphalt roofing shall be exposed to determine location of water leak; Repair as needed and test repair with water pressure to ensure mitigation is completed.

5 Crystal Lake CG Restroom Building (FS Bldg #A2001R4)

Replacement of existing pitched roof (approximately 37’-6” x 28’-6”) with a pitch of 9:12; Existing roof is made up of asphalt shingles; New roof replacement shall be in-kind with new asphalt roofing and new underlayment or standing seam metal roofing (Option Item).

6 Arcadia Supervisor’s Office (SO) Building (FS Bldg #2038)

Roof leak at existing valley of pitched roof, AS SHOWN ON THE DRAWINGS; Metal roofing shall be exposed to determine location of water leak; Repair as needed and test repair with water pressure to ensure mitigation is completed.

A. Existing conditions should be verified by the Contractor.

1. Contractor shall submit a work plan for each building to be re-roofed in their bid proposal.

B. This Contract consists of following items of work:

1. Re-roof structures listed above, by removing all roofing shingles and underlayment down to the roof decking.

2. Repair roof decking and fascia boards where required to complete necessary work. An estimate of the decking repair work will be listed in the Schedule of Items. All repair work is to be discussed with Contracting Officer prior to substrate replacement. If, during bidding process, Contractor anticipates a larger area of substrate material needing replacement (above 10% of existing roof surface area), this should be stated in bid proposal.

SECTION 01010

SUMMARY OF WORK

Forest-wide Roofing DIVISION 1 01010-2 Angeles National Forest

3. Install all new roof underlayment, shingles or metal roof, flashing, drip edge, gutters and down spouts and install a continuous ridge vent where SHOWN ON DRAWINGS.

4. Repair existing water leaks at indicated locations AS SHOWN ON THE DRAWINGS.

C. Contract award will consist of items as shown in the Schedule of Items.

1.02 LIMITATIONS: Contractor will not be held responsible for irregularities in the existing roof structures. Contractor will inspect existing roofs prior to beginning construction and bring to the attention of the Contracting Officer any discrepancies not covered by contract work. Site visits are highly recommended prior to bidding.

1.03 ACCESS: The sites are accessible by passenger vehicle.

1.04 HOURS OF OPERATION: The Contractor's hours of operation shall be restricted to 8:00 am to 4:30 pm, Monday through Friday. In addition the work shall be shut down during the following periods. Contract time has been adjusted to reflect these periods of shutdown.

A. Work shall be shut down on Saturdays, Sundays and all holidays recognized by the Federal Government.

1.05 WORK SCHEDULES: The Contractor shall submit a work schedule showing date and duration of re-roofing of each building on the above table, to the Contracting Officer prior to work commencing. Contractor shall provide 48 hours notice to the Contracting Officer of any change to the schedule.

END OF SECTION

SECTION 010601

APPLICABLE CODES AND STANDARDS

Forest-wide Roofing DIVISION 6 010601-1 Angeles National Forest

PART 1 - GENERAL

1.01 SCOPE: This section describes the codes and standards which apply to the work in this contract.

Additional codes and standard may be cited in sections to which they apply.

1.02 CODES AND STANDARDS

A The following codes and standards shall apply to the work in this contract:

1. International Building Code (IBC), 2009 Edition

2. National Roofing Contractors Association. (NRCA)

3. American with Disabilities Act and Architectural Barriers Act Accessibility Guidelines

(ADAABAG), July 23, 2004 Edition (available by calling United States Access Board at 800-872-2253).

4. Structural design as per Western Wood Products Association, Western Woods Use Book Structural Data and Design Tables.

5. Lumber Grades as per the inspection agencies:

a. Western Wood Products Association (WWPA).

b. West Coast Lumber Inspection Bureau (WCLIB).

c. Redwood Inspection Service (RIS).

6. Plywood Grades as per the American Plywood Association (APA).

7. International Conference of Building Officials (ICBO).

8. Underwriter's Laboratories, (UL).

9. Occupational Safety and Health Administration (OSHA).

B Unless otherwise specified in this contract, reference to a specific standard or specification shall mean the latest edition or amendment in affect on the date of the invitation to bid.

1.03 DEFINITIONS: Administrative Authority or Building Official, as used in the Codes and Standards, shall be the Contracting Officer.

SECTION 01330

SUBMITTAL PROCEDURES

Forest-wide Roofing DIVISION 1 01330-1 Angeles National Forest

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.

B. See Division 1 Section "Quality Requirements" for submitting test and inspection re-ports and Delegated-Design Submittals.

C. See Division 1 Section "Closeout Procedures" for submitting warranties Project Rec-ord Documents, operation and maintenance manuals and “as builts” drawings.

1.2 DEFINITIONS

A. Action Submittals: Written and graphic information that requires Contracting Of-ficer’s (CO's) responsive action.

B. 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.

Forest-wide Roofing DIVISION 1 01330-2 Angeles National Forest

C. Identification: Place a permanent label or title block on each submittal for identifica-tion.

1. Indicate name of firm or entity that prepared each submittal on label or title block.

2. Provide a space approximately 2 by 3 inches on label or beside title block to record Contractor's review and approval markings and action taken by CO.

3. 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.

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. Additional Copies: Unless additional copies are required for final submittal, and un-less CO observes noncompliance with provisions of the Contract Documents, initial submittal may serve as final submittal.

F. 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:

Forest-wide Roofing DIVISION 1 01330-3 Angeles National Forest

a. Manufacturer's written recommendations.

b. Manufacturer's product specifications.

c. Manufacturer's installation instructions.

d. Manufacturer's catalog cuts.

e. Wiring diagrams showing factory-installed wiring.

f. Compliance with recognized trade association standards.

g. 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. Roughing-in and setting diagrams.

e. Wiring diagrams showing field-installed wiring, including power, signal, and control wiring.

f. Notation of dimensions established by field measurement.

2. Wiring Diagrams: Differentiate between manufacturer-installed and field-installed wiring.

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, textures, and patterns 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.

3. Test and Inspection Reports: Comply with requirements in Division 1 Section "Quality Requirements."

B. Contractor's Construction Schedule:

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

Forest-wide Roofing DIVISION 1 01330-4

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

1 FAR 52.232-05

C. Material Test Reports: Prepare reports written by a qualified testing agency, on test-ing agency's standard form, indicating and interpreting test results of material for compliance with requirements.

D. Field Test Reports: Prepare reports written by a qualified testing agency, on testing agency's standard form, indicating and interpreting results of field tests performed ei-ther during installation of product or after product is installed in its final location, for compliance with requirements.

E. Maintenance Data: Prepare written and graphic instructions and procedures for opera-tion and normal maintenance of products and equipment. Comply with requirements in Division 1 Section "Closeout Procedures."

F. 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. Approval Stamp: Stamp each submittal with a uniform, approval stamp. Include Pro-ject name and location, submittal number, Specification Section title and number, name of reviewer, date of Contractor's approval, and statement certifying that submit-tal has been reviewed, checked, and approved for compliance with the Contract Doc-uments.

C. CO will not review submittals that do not bear Contractor's approval stamp and will return them without action.

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

END OF SECTION 01330

SECTION 01400

QUALITY CONTROL AND QUANTITY MEASUREMENT

Forest-wide Roofing DIVISION 1 01400-1 Angeles National Forest

PART 1 - GENERAL

1.01 SCOPE: This work shall consist of providing quality control in conformance with the inspection of construction provisions, of this contract to ensure compliance with the specifications and provision of the Contract. The Contractor shall provide all personnel, equipment, tests and reports necessary to meet the requirements of this specification.

1.02 COORDINATION: Where specifications, require the Contracting Officer to be present during the sampling or testing procedure to obtain approval, the Contractor shall be subject to the following conditions:

A. The Contractor shall provide 72 hours prior notice for an inspection requiring government observation for approval.

B. The Contractor shall provide 24 hours notice for cancellation.

PART 2 - EXECUTION

2.01 QUALITY CONTROL AND MEASUREMENT SYSTEMS:

A. The Contractor shall provide and maintain a quality control system that will ensure that all services, supplies and construction required under this contract conform to the contract requirements.

B. The Contractor shall also perform, or cause to be performed, all measurements of quantities of materials incorporated under the provisions of the contract.

SECTION 01524

CONSTRUCTION WASTE MANAGEMENT

Forest-wide Roofing DIVISION 1 01524-1

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes:

1. Special requirements for waste management during deconstruction, renovation, construction operations.

a. Protect the environment, both on-site and off-site, during deconstruction, renovation, and construction operations.

b. Prevent environmental pollution and damage.

c. Maximize source reduction, reuse and recycling of solid waste.

B. Related Sections:

1. 01732- Selective Site Demolition.

2. 01330 – Submittal Procedures

1.2 DEFINITIONS

A. Definitions pertaining to sustainable development: As defined in ASTM E2114.

1.3 QUALITY ASSURANCE

A. Maximize use of source reduction and recycling procedures outlined in ASTM D5834.

B. Diversion Goals: A minimum 50 percent by weight of total project solid waste to be diverted from landfill.

1.4 PRECONSTRUCTION MEETING

A. After award of Contract and prior to the commencement of the Work, schedule and conduct meeting with the Contractor and the Contracting Officer to discuss the proposed Waste Management Plan and to develop mutual understanding relative to details of environmental protection.

1.5 SUBMITTALS

Forest-wide Roofing DIVISION 1 01524-2

A. Solid Waste Management Plan: Not less than 10 days before the Pre-construction meeting, prepare and submit a Solid Waste Management Plan including, but not limited to, the following:

1. List of the recycling facilities, reuse facilities, municipal solid waste landfills and other disposal area(s) to be used. Include:

a. Name, location, and phone number.

b. Copy of permit or license for each facility.

2. Identify materials that cannot be recycled or reused. Provide explanation or justification.

3. Revise and resubmit Plan as required by The Contracting Officer.

a. Approval of Contractor's Plan will not relieve the Contractor of responsibility for compliance with applicable environmental regulations.

B. Progress Documentation: Document solid waste disposal and diversion. Include the quantity by weight of waste generated; waste diverted through sale, reuse, or recycling; and waste disposed by landfill or incineration. Identify landfills, recycling centers, waste processors, and other organizations that process or receive the solid waste.

1. Document on form in Appendix A of this Section, or similar form as approved by The Contractor.

2. With each request for Payment, submit updated Documentation for solid waste disposal and diversion.

3. With each request for Payment, submit manifests, weight tickets, receipts, and invoices specifically identifying the Project and waste material.

PART 2 - PRODUCTS

PART 3 - EXECUTION

3.1 SOLID WASTE MANAGEMENT

A. Develop and implement a waste management program in accordance with ASTM E1609 and as specified herein.

Forest-wide Roofing DIVISION 1 01524-3

B. Collection: Implement a recycling/reuse program that includes separate collection of waste materials of the following types as appropriate to the project waste and to the available recycling and reuse programs in the project area:

1. Land clearing debris.

2. Asphalt.

3. Concrete and Masonry.

4. Metal.

a. Ferrous.

b. Non-ferrous.

5. Wood, nails and staples allowed.

6. Debris.

7. Glass, colored glass allowed.

8. Paper.

a. Bond.

b. Newsprint.

c. Cardboard and paper packaging materials.

9. Plastic.

10. Gypsum.

11. Non-hazardous paint and paint cans.

12. Carpet.

13. Insulation.

14. Others as appropriate.

C. Recycling/Reuse: Maximize recycling and reuse of materials.

1. Recycling/Reuse on project site: Coordinate with the Contracting Officer.

Recycling/Reuse off project site: The following is a partial list for Contractor's information only. For more information, contact the State Department of Environmental Quality and the local Integrated Solid Waste Management Office.

. Habitat for Humanity, a non-profit housing organization that rehabilitates and builds housing for low-income families. Sites requiring donated materials vary. Contact the national hotline

(800) HABITAT.

Forest-wide Roofing DIVISION 1 01524-4

a. Materials for the Arts (MFA) sponsored by the Department of Cultural Affairs. MFA is a materials exchange that accepts waste and excess materials from private donors and distributes them to various non-profit art organizations throughout the City.

b. California Materials Exchange (CAL-MAX) Program sponsored by the California Integrated Waste Management Board; (916) 255- 2369.

D. Handling:

1. Clean materials that are contaminated prior to placing in collection containers. Deliver materials in accordance with recycling or reuse facility requirements (e.g., free of dirt, adhesives, solvents, petroleum contamination, and other substances deleterious to recycling process).

2. Arrange for collection by or delivery to the appropriate recycling or reuse facility.

Forest-wide Roofing DIVISION 1 01524-5

Appendix A

SUMMARY OF SOLID WASTE DISPOSAL AND DIVERSION

Project Name: Project Number:

Contractor Name: License Number:

Contractor Address:

Solid Waste Material

Date Material Disposed/ Diverted

Amount Disposed/ Diverted

(ton or cubic yard)

Municipal Solid Waste

Facility (name, address, & phone number

Recycling/ Reuse

Facility (name, address, & phone number

Comments (if disposed, state why not diverted)

Appliances

Asphalt

Cardboard

Concrete

Gypsum Drywall

Land Clearing/ Soil

Masonry

Metals:

Ferrous

Metals: Non-ferrous

Mixed/ Co-mingled Waste

Forest-wide Roofing DIVISION 1 01524-6

Plastic

Roofing:

Asphalt-based

Salvaged/ Surplus Materials for Reuse

Wood:

Landclearing Debris

Wood: Scrap Lumber

Other

Signature: Date:

SECTION 01600

USE OF GOVERNMENT FACILITIES

Forest-wide Roofing DIVISION 1 01600-1 Angeles National Forest

PART 1 - GENERAL

1.01 SCOPE: This work consists of the use, by the Contractor, of areas and facilities owned by the Government during the construction of this project.

PART 2 – STORAGE FACILITIES

2.01 Upon written request by the Contractor, existing fenced areas for equipment, materials storage or other needs may be designated and defined on the ground. Any areas so designated may be additionally fenced by the Contractor.

2.02 The Contractor shall return the area designated for equipment and materials storage to its original condition at the completion of the project.

PART 3 – UTILITIES

3.01 There are no electrical, water or sanitary utilities available at all of the sites for contractor use. The Government will make available to the Contractor, at no expense, limited use of the existing electrical, water and sanitary at some of the sites. Contractor's use of this utility shall not be so high or damaging as to limit utilities for Government administrative use at the site. The Government does not ensure the adequacy of these utilities. Any delay in the Contractor's operation resulting from the interruption of these utilities, for any reason, shall not result in an expense to the Government. The Contractor is responsible for investigating site utilities, if listed as available, for use compatibility. Any extension of the utilities to the project shall be provided by the Contractor from locations approved by the Contracting Officer.

3.02 Contractor shall provide their own telephone services.

PART 4 – SAFETY

4.01 The contractor shall be responsible for providing for the safety and security of their employees, equipment and materials at the project site.

4.02 The Contractor shall take all reasonable precautions to ensure a safe construction area.

PART 5 - EXECUTION

5.01 All the sites are accessible by paved roads. Existing road and parking areas shall be kept open to all traffic and maintained by the Contractor in such condition that traffic will be adequately accommodated. The Contractor's operations shall at no time interfere with emergency vehicle traffic.

5.02 The Contractor shall return the area designated for equipment and materials storage to the original state at the completion of the project.

5.03 The Contractor's hours of operation shall be limited to Monday through Friday, 8:30 am to 4:30 pm. Shut down periods as noted in Section 01010, Summary of Work, paragraph 1.03 shall apply.

SECTION 01600

USE OF GOVERNMENT FACILITIES

Forest-wide Roofing DIVISION 1 01600-2

SECTION 01700

PROJECT CLEANUP

Forest-wide Roofing DIVISION 1 01700-1 Angeles National Forest

PART 1 - GENERAL

1.01 SCOPE: This work consists of the cleanup required during construction and the final cleanup at each jobsite. The Contractor shall, at all times during the progress of the work, keep the building and work site clear of all rubbish, material scraps, and construction debris.

PART 2 - PRODUCTS

2.01 All cleaning materials and equipment used shall be selected and employed with care to avoid scratching, marring, defacing, staining or discoloring the surfaces cleaned.

PART 3 - EXECUTION

3.01 CLEANUP DURING CONSTRUCTION

A. Cleanup shall be performed by the Contractor as required, to prevent accidents to personnel and to protect all work in-place. Construction cleanup shall consist of the removal of all dirt, trash, scrap, debris, and excess materials from any floor space or walking surface that may cause the tripping or sliding of workers, ladders, or equipment. Cleanup shall be daily.

B. Immediately prior to the Contractor's move to the next jobsite, final cleanup shall be performed.

C. All debris and unused material shall be removed from the site. All debris shall be disposed of off National Forest land in accordance with local regulations. Site shall be restored to as near its original condition as possible.

D. Burning of material is not allowed.

E. Potential Landfills in area:

Puente Hills Landfill Sunshine Canyon Landfill 2800 South Workman Mill Road 14747 San Fernando Road Whittier, CA 90601 Sylmar, CA 91344 562 699-5204 818 362-3071

A list of other landfills in Los Angeles County can be found at:

http://www.lapublichealth.org/tox/landfills.htm

3.02 QUALITY OF CLEANUP: In addition to the normal "broom clean" requirements, the exposed surfaces of the following materials shall be cleaned as listed below:

A. Painted Surfaces: Remove marks, stains, fingerprints and dirt.

B. Roof. Remove dirt and debris.

C. Hardware: Clean.

SECTION 01700

PROJECT CLEANUP

Forest-wide Roofing DIVISION 1 01700-2

SECTION 01732

SELECTIVE SITE DEMOLITION

Forest-wide Roofing DIVISION 1 01732-1

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes:

1. Demolition.

2. Deconstruction.

3. Salvage.

B. Related Sections:

1. 01524 - Construction Waste Management.

1.2 DEFINITIONS

A. Deconstruction: Disassembly of buildings for the purpose of recovering materials.

1.3 SUBMITTALS

A. Schedule of items and materials to be salvaged. Identify procedures for disassembly.

1. Coordinate with Solid Waste Management Plan. Identify materials to be recycled. Identify materials to be salvaged for reuse on site and off site.

1.4 QUALITY ASSURANCE

A. Handle waste materials as specified in Section 01524 - Construction Waste Management.

PART 2 - PRODUCTS

PART 3 - EXECUTION

3.1 DECONSTRUCTION

A. Inspect and evaluate for reuse existing structures on site.

B. Disassemble existing construction scheduled to be removed for recycling or reuse.

SECTION 01732

SELECTIVE SITE DEMOLITION

Forest-wide Roofing DIVISION 1 01732-2

C. Demolition will not be permitted.

D. Salvage materials for recycling and reuse as indicated on drawings.

1. No materials are scheduled for reuse on site.

2. Materials scheduled for reuse off site: As specified in Section 01524 -

Construction Waste Management.

3. Materials scheduled for recycling off site: As specified in Section 01524 -

Construction Waste Management.

SECTION 01900

MOBILIZATION

Forest-wide Roofing DIVISION 1 01900-1 Angeles National Forest

PART 1 - GENERAL

1.01 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 incidental to the initiation of meaningful work at the site and for which payment is not otherwise provided for under the contract.

1.02 Method of Measurement - The measurement shall be lump sum for mobilization.

1.03 Basis of Payment - The lump sum price shall include full compensation for mobilization.

Progress payments for mobilization will be made as follows:

A. The total amount of premiums paid by the Contractor to obtain performance and payment bonds will be paid at one time together with the first progress payment otherwise due.

B. When 5 percent of the total original contract amount is earned from other schedule items, 50 percent of the amount bid for mobilization will be paid, exclusive of any amount already paid the Contractor for performance and payment bond premiums.

C. When 10 percent of the total original contract amount is earned from other schedule items, the balance of the amount bid for mobilization will be paid.

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

SECTION 02050

DEMOLITION

Forest-wide Roofing DIVISION 2 02050-1 Angeles National Forest

PART 1- GENERAL

1.01 SCOPE: The work consists of the demolition necessary and required for re-roofing. The work includes, but is not limited to, the following items:

A. Removal of existing roofing material, including underpayment.

B. Removal of fascia, all nailing devices and roof substrate decking, as required, prior to installing new roofing material.

C. Removal of flashing and drip edge.

D. Removal of damaged sofit material

PART 2 - PRODUCTS (Not Applicable)

PART 3 - EXECUTION

3.01 Prior to starting demolition work, the Contractor shall make an inspection with the Contracting Officer to determine the physical condition of adjacent improvements scheduled to remain. The Contractor shall exercise caution to minimize disturbance to existing improvements.

3.02 Demolition work shall be performed in such a manner as to ensure the safety of persons working or visiting the area.

3.03 Debris resulting from the demolition portion of this project shall be removed from the jobsite as it accumulates in accordance with Section 01700, Project Cleanup. Keep all pavement areas adjacent to and leading from the site, clean and free of debris at all times.

3.04 Debris removal and disposal shall be subject to the requirements of Section 01524, Construction Waste Management.

SECTION 02050

DEMOLITION

Forest-wide Roofing DIVISION 2 02050-2

SECTION 06201

CARPENTRY

Forest-wide Roofing DIVISION 6 06201-1

PART 1 – GENERAL

1.01 SCOPE: Perform all work necessary or required for re-roofing. Such work includes, but is not necessarily limited to, repair of roof substrate decking areas, sofits and fascia as may be needed to accomplish project requirements.

1.02 PRODUCT HANDLING: Stack all lumber to insure proper ventilation. Cover all lumber, millwork, and other materials to protect from moisture. Stack lumber as well as plywood and other panels. Provide for air circulation within and around stacks and under temporary coverings including polyethylene and similar materials. Do not store or install any millwork in any part of the building until concrete or similar work is dry.

1.03 GRADE MARKS: All lumber and structural panels shall be grade stamped.

1.04 MEASUREMENT AND PAYMENT: - No separate payment will be made for work included under this section. Payment for this work will be included in the contract unit price for the roof.

PART 2 - PRODUCTS

2.01 MATERIALS: All lumber shall be seasoned, surfaced four sides (S4S), except where shown rough-sawn on drawings, shall not exceed a moisture content of 19 percent for (A), (B), (C) and (D) below and 15 percent for all others, and shall not be less than the following grades:

A. Joists and Planks, Beams and Stringers, Posts and Timbers: Douglas Fir No. 2 and better grade, as graded by the Western Wood Products Association or West Coast Lumber Inspection Bureau, or equal.

B. Light Framing: Douglas Fir, Standard and better grade, as graded by Western Wood Products Association or West Coast Lumber Inspection Bureau, or equal.

C. Roof Sheathing: Comply with PS 1 “U.S. Product Standard for Construction and Industrial Plywood” for plywood and for products not manufactured under PS 1, with APA PR-108. Use of the term "plywood" on the drawings does not exclude the use of other panels with equivalent span ratings.

PART 3 - EXECUTION

3.01 Nailing: Nailing shall conform with the requirements of the International Building Code, unless otherwise specified.

3.02 ROUGH CARPENTRY

A. All framing shall be accurately cut and constructed plumb, straight, and true to lines and dimensions shown. No cutting and boring of joists and beams shall be done without permission from the Contracting Officer. Set joists and beams with crown edges up.

Space studs 16" O.C., unless shown otherwise. Install double studs at openings and triple

SECTION 06201

CARPENTRY

Forest-wide Roofing DIVISION 6 06201-2 Angeles National Forest studs at intersections of walls.

B. Roof Substrate Decking: Decking shall be installed perpendicular to the rafters, end joints staggered, and nailed at each crossing and end. Butted end joints shall occur only over bearing points.

C. Eaves, Fascia and Soffits: Eaves, soffits and fascia shall be installed to conform to industry standards and shall match the existing including one coat of primer and 2 coats of paint with color to match existing.

SECTION 07330

CEDAR SHAKE

Forest-wide Roofing DIVISION 7 07330-1 Angeles National Forest

PART 1 - GENERAL

1.01 SCOPE: Furnish and install a Class A fire rated cedar shake roofing system as specified herein.

Perform all other work necessary for a complete roof replacement. The finish product shall provide the equivalent of a 15 year bonded roof. Roofing system shall be in accordance with a report from ICC Evaluation Service to form a Class A Roof Covering.

1.02 SUBMITTALS: Samples for verification purposes shall be in the form of two full-size units.

Contractor shall submit manufacturer’s installation instructions.

1.03 QUALITY ASSURANCE: Provide products that are identical to those tested for the specified fire performance characteristics. Testing shall be by Universal Laboratories or other nationally accepted testing and inspecting organization. Identify products with appropriate markings of applicable testing and inspecting organization. Fire Resistance Ratings shall be as indicated by reference to design designations in UL "Fire Resistance Directory."

1.04 DELIVERY, STORAGE, AND HANDLING

A. Deliver materials to Project site in manufacturer's unopened bundles or containers with labels intact.

B. Handle and store materials at Project site to prevent water damage, staining, or other physical damage. Store roll goods on end. Comply with manufacturer's recommendations for job site storage, handling, and protection.

1.05 PROJECT CONDITIONS

A. Roof Substrate Decking Material: Before applying new roofing materials, old surface shall be swept clear of all loose debris.

B. Weather Conditions: Proceed with work only when existing and forecasted weather conditions will permit work to be installed in compliance with manufacturer's recommendations and when substrate decking material is completely dry.

PART 2-PRODUCT

2.01 CEDAR SHAKES: Wood shakes shall be fire retardant treated shakes produced from No. 1 grade naturally durable red cedar wood shakes and labeled Class B. Shakes shall be 3/4 inch or greater 18 inches long with 8 inches exposed to weather.

2.02 UNDERLAYMENT: Underlayment shall comply with ASTM D226, Type I or ASTM D4869.

2.03 INTERLAYMENT: Interlayment shall comply with ASTM D226 Type I.

2.04 CAP SHEET: Cap sheet shall be Type G3 with a mineral-surface having a unit weight of 72 pounds per square.

2.04 FASTENERS: Fasteners shall be galvanized, large head, roofing nails of sufficient length and holding power (20 pounds minimum) to properly secure the shingles.

SECTION 07330

CEDAR SHAKE

Forest-wide Roofing DIVISION 7 07330-2 Angeles National Forest

PART 3 - EXECUTION

3.01 SURFACE PREPARATION: All surfaces shall be cured, dried, and properly supported for shingle nailing and application.

3.02 APPLICATION

A. Shakes shall be applied over the underlayment and interlayment specified above, lapped as specified in the IBC.

B. Cap sheet shall be installed over the sheathing.

C. Each shingle shall be securely nailed with roofing nails per cedar shake manufacture's instruction or the IBC which ever is more stringent.

D. Application shall be in accordance with the manufacturer's instructions.

SECTION 07333

BUILT-UP BITUMINOUS ROOFING

Forest-wide Roofing DIVISION 7 07333-1 Angeles National Forest

PART 1 GENERAL

1.01 SCOPE: This work consists of reroofing designated buildings with built-up bituminous gravel surfaced roofs. The finish product shall provide the equivalent of a 30 year bonded roof. The roof(s) shall meet Underwriter’s Laboratory’s, Class “A”.

The work includes sweep and spud all loose gravel from existing built-up roofs providing a smooth surface for new built-up roofing system; install a new built-up roofing system including metal flashing; replacement of metal gravel stops and flashing as necessary; and disposal of any waste materials.

1.02 SUBMITTALS: Catalog data on materials specified in this section shall be submitted to the Contracting Officer for approval.

1.03 MEASUREMENT AND PAYMENT

A. Measurement for work performed under this section will be the one job, as shown in the SCHEDULE of ITEMS.

B. Payment for wrk performed under this section will be made on a LUMP SUM BASIS at the CONTRACT UNIT PRICE designated in the SCHEDULE OF ITEMS as follows:

ITEM NO. Description Unit

07333(01) Re-roof Building No. ??? Job

PART 2 PRODUCTS

2.01 ASPHALT BITUMEN: ASTM D312, Trumbull asphalt or equal. Roof Incline Limitation is as follows:

A. Up to ½ inch per foot, 170ºF, Type III

B. ½ inch to 3 inches per foot, 190ºF, Type IV

C. Asphalt Primer: ASTM D41, Damp-proofing and Waterproofing.

D. Plastic Cement: ASTM D4586, cutback asphalt type, asbestos free. Type II: Industrial Roof Cement.

2.02 ROOFING FELTS: ASTM D2178 Type VI. Fiberglass base felts and fiberglass finishing felts shall be as supplied by GAF Building Materials, Corp., Johns Manville, or equal.

2.03 CANT STRIPS AND CRICKETS: ASTM C728. Cant strips and crickets shall be fabricated from wood or perlite board as manufactured by GAF Building Materials, Corp., Johns Manville, or equal unless otherwise noted on the drawings.

2.04 FLASHING FABRICS: Flashing fabrics shall be fiberglass felt waterproofing fabrics manufactured by GAF Building Materials, Corp., Johns Manville, or equal.

Forest-wide Roofing DIVISION 7 07333-2 Angeles National Forest

2.05 Insulation: ASTM C-1289. Rigid insulation shall be a closed cell polyisocyanurate foam core bonded in the foaming process to ½ inch high density, mineral aggregate insulation board on one side and a fiberglass reinforced facer on the other with R value minimum 10 per two inches of thickness, as manufactured by GAF Building Materials, Corp., Johns Manville, or equal.

2.06 VENTS: 6 inches high, deck flange 10 inches in diameter, with on-way valve, UV resistant, one per each 10 squares.

2.07 FASTENERS: Mechanical fasteners for insulation as recommended by the manufacturer.

2.08 VENT FLASHING: Vent flashing shall be flashing assembly complete with 4 pounds seamless lead flashing with 8 inch skirt, or equal.

2.09 AGGREGATE: ASTM D1863 Sound, hard, dry and clean.

PART 3 EXECUTION

3.01 ENVIRONMENTAL REQUIREMENTS: Do not apply roofing membrane during inclement weather. Do not apply roofing membrane to damp deck surface. The Contractor is responsible for checking weather conditions to determine that no inclement weather is predicted during the installation of the roof.

3.02 PREPARATION OF SURFACES: Remove existing roofing and insulation for all existing buildings and dispose of offsite. Repair all damaged deck. Verify that all units are properly secured in place. New insulation shall be installed for all existing and proposed buildings and shall be smooth, dry, and free of dirt and foreign materials, and shall be inspected and approved by the Engineer and the representative of the roofing materials manufacturer before roofing work is commenced. Deck shall have projections, equipment, curbs or supports removed, and depressions and holes shall be properly filled before roof is installed.

3.03 MEMBRANE APPLICATION: Summary of Materials per 100 square feet:

Concrete Deck Wood Deck Steel Deck

Ventply 1 ply 79 pounds

Baseply 1 ply 28 pounds

Glass Plies 4 plies 32 pounds 32 pounds 32 pounds

Asphalt 4 moppings at 23 pounds

92 pounds 92 pounds 92 Pounds

Asphalt 1 mopping at 60 pounds

60 pounds 60 pounds 60 pounds

Gravel or Slag 500 pounds 500 pounds 500 pounds

Forest-wide Roofing DIVISION 7 07333-3 Angeles National Forest

Approximate Total Weight

763 pounds 712 pounds 684 pounds

A. VENTPLY OR BASEPLY: Apply one 18 inch width Ventply or Baseply at low edge of perimeter. Apply following plies in full widths, lapping each ply 2 inches. Install fasteners at perimeters, corners, and in the field, using the minimum number of fasteners per square as required by FM approval guide for I-90 wind classification.

B. FIRST ASPHALT PLIES: Using glass plies, apply a 9 inch wide piece, then over that, an 18 inch wide piece, then over that, a 27 inch wide piece. Over these three partial sheets, install a full width 36 inch piece. The following felts are to be applied full width, overlapping the preceding felts by 27½ inches so that a least four plies of felt cover the substrate at all locations.

Set each ply firmly and uniformly, without voids, into hot asphalt (within ±25ºF of the EVT) applied just before the felt at a normal rate of 23 pounds per square. Installation over roof insulation may require up to 33 pounds of hot asphalt per square.

C. AGGREGATE: Set aggregate into hot asphalt mopped on at a nominal rate of 60 pounds per square. Aggregate must be installed so that there is complete coverage across the entire surface and at least 50% of the aggregate is solidly adhered in the hot asphalt. Do not apply the aggregate when the wind chill factor is less than 60ºF. Provide accurate, clearly visible thermometers at kettles and at a shaded job site location.

D. CONFORMANCE WITH APPLICABLE CODES AND INSTRUCTIONS: Apply in conformance with applicable portions of the IBC Chapter 15, NRCA Roofing and Waterproofing Manual, and in conformance with roofing manufacturer’s printed application specifications for indicated conditions. However, where specifications of the section exceed the IBC and manufacturer’s requirements, the specifications herein shall apply.

E. CLEANING: Remove bituminous markings from finished surfaces. In areas where finished surfaces are soiled by asphalt or other source of soiling caused by the work of this section, consult manufacturer of surfaces for cleaning advice and conform to their documented instructions. Repair of replaced defaced or disfigured finishes caused by work of this section.

F. FLASHINGS AND ACCESSORIES: Apply granular surfaced, flexible base flashings to seal membrane to bertical elements. Utilize Schuller Base Flashing Specification DFE Series.

Prime sheet metal items contacting Glass Plies with approved primer. Allow to dry before application of roofing. Install prefabricated vents, roofing control joints or expansion joints in accordance with manufacturer’s instructions. Roof penetations requiring flashing or pitch pans:

1. Flange shall be minimum 2½ pounds lead.

2. Set Flange over roofing system in bed of industrial roofing cement or hot asphalt.

3. Apply two-course layer of ply felt.

Coordinate installation of related metal flashing, skylights or roof drain.

Forest-wide Roofing DIVISION 7 07333-4 Angeles National Forest

G. WATER CUT-OFFS: Always install water cut-offs at the end of each day’s work to prevent moisture infiltration into the completed work area. Water cut-offs should be completely removed prior to resuming work.

3.04 TESTING: Cut samples 6 inches x 42 inches at right angles to plies, in areas indicated by the Engineer for each 2000 square feed of roof area, or part thereof. A minimum of one cut shall be taken per building. Test cuts shall be taken before application of visually inspected on the job site by the inspector and then removed for delivery to a testing laboratory. If test cuts do not meet manufacturer’s specifications, the entire roof shall be removed and replaced at Contractor’s expense.

Coat the area from which the test cut has been taken evenly, bottom and sides with plastic roof cement. Cut roofing plies to fit and set in alternate plies and plastic cement to fill the cut-out flush with the surrounding roofing.

Apply the same numbe fo plies and types of roofing materials as used in the roofing specification over the repaired cut-out area. Extend first ply 4 inches beyond the cut-out on all sides. Extend each succeeding ply 4 inches beyond the underlying ply, except that the final ply shall be full width of the roll, centered over the samples. Each ply shall be mopped solidly to the underlying plies.

SECTION 07335

COMPOSITION SHINGLES

Forest-wide Roofing DIVISION 7 07335-1 Angeles National Forest

PART 1 - GENERAL

1.01 SCOPE: Furnish and install composition shingles as specified herein. The finish product shall provide the equivalent of a 15 year bonded roof. Perform all other work necessary for a complete roof replacement.

1.02 SUBMITTALS: Samples for verification purposes shall be in the form of two full-size units.

Contractor shall submit manufacturer’s installation instructions.

1.03 QUALITY ASSURANCE: Provide products that are identical to those tested for the specified fire performance characteristics. Testing shall be by Universal Laboratories or other nationally accepted testing and inspecting organization. Identify products with appropriate markings of applicable testing and inspecting organization. Fire Resistance Ratings shall be as indicated by reference to design designations in UL "Fire Resistance Directory."

1.04 DELIVERY, STORAGE, AND HANDLING

A. Deliver materials to Project site in manufacturer's unopened bundles or containers with labels intact.

B. Handle and store materials at Project site to prevent water damage, staining, or other physical damage. Store roll goods on end. Comply with manufacturer's recommendations for job site storage, handling, and protection.

1.05 PROJECT CONDITIONS

A. Roof Substrate Decking Material: Before applying new roofing materials, old surface shall be swept clear of all loose debris.

B. Weather Conditions: Proceed with work only when existing and forecasted weather conditions will permit work to be installed in compliance with manufacturer's recommendations and when substrate decking material is completely dry.

PART2-PRODUCT

2.01 COMPOSITION SHINGLES: Shingle manufacturer shall be GAF/ELK Timberline Prestique High Definition 40 line color Shakewood or approved equal.

2.02 UNDERLAYMENT: Underlayment shall be #30 asphalt saturated felt.

2.03 FASTENERS: Fasteners shall be galvanized, large head, roofing nails of sufficient length and holding power (20 pounds minimum) to properly secure the shingles.

2.04 STARTER COURSE: A starter course shall be a composition shingle laid with tabs up the slope. The first course will be laid over this starter course with tabs ends down as will each course thereafter.

2.05 RIDGE SHINGLES: Continuous Ridge Vent shall be GAF/ELK Timberline Prestique High Definition 40 line color Shakewood or approved equal.

SECTION 07335

COMPOSITION SHINGLES

Forest-wide Roofing DIVISION 7 07335-2 Angeles National Forest

2.06 ASPHALT PLASTIC CEMENT: Non-asbestos asphalt cement complying with ASTM D 4586, designed for trowel application.

PART 3 - EXECUTION

3.01 SURFACE PREPARATION: All surfaces shall be cured, dried, and properly supported for shingle nailing and application.

3.02 APPLICATION

A. Shingles shall be applied over one layer of #30 asphalt saturated felt, lapped 19 inches, and exposed 17 inches.

B. Each shingle shall be securely nailed with roofing nails per composition shingle manufacture's instruction.

C. All nails to be positioned 1/2 inch above a line even with top of cut-outs.

D. The shingles shall be laid with the ends barely touching each other.

E. All shingles shall be laid with a 5-inch exposure and a 2-inch head lap unless otherwise recommended by the shingle manufacturer's written installation instructions.

F. Application shall be in accordance with the manufacturer's instructions.

SECTION 07610

STANDING SEAM METAL ROOFING

Forest-wide Roofing DIVISION 7 07610-1

PART 1 – GENERAL

1.01 SCOPE: The Work includes, but is not necessarily limited to, the furnishing and installing of standing seam metal roofing with self-adhered roofing underlayment and accessories as indicated on the Drawings and specified herein. The finish product shall provide the equivalent of a 30 year bonded roof.

1.02 SECTION REQUIREMENTS

A. Submit Product Data, Shop Drawings, and color Samples.

B. Comply with SMACNA's "Architectural Sheet Metal Manual," unless indicated otherwise.

C. Provide roof assemblies that meet requirements of UL 580 for Class 90 wind-uplift resistance.

D. Submit a written warranty, executed by manufacturer, agreeing to repair or replace sheet metal roofing that fails to remain weather tight within 5 years from date of Substantial Completion.

PART 2 - PRODUCTS

2.01 STANDING SEAM ROOF: Structural-Quality Steel Sheet shall be 24 gauge thick, with galvanized G90 coating. Finish Apply Kynar 500 fluorocarbon (PVF2). Color shall be as selected from manufacturer’s standard color chart.

2.02 ACCESSORIES

A. Underlayment: Self-adhering underlayment, minimum 25 mils thick, composed of rubberized asphalt adhesive and backed with a layer of high density cross laminated polyethylene. Vycor Select (Ice & Water Shield) by Grace Construction Products.

B. Metal Accessories: Matching sheet metal roofing in finish and material required for a complete weather tight roofing system, including clips, flashing, ridge closure strips, trim, copings, fascia, gutters, and louvers.

C. Bituminous Coating: Cold-applied asphalt mastic, SSPC-Paint 12, compounded for 15-mil (0.4-mm) dry film thickness per coat.