FSSS_Supplemental_Specifications_Indian_Hill_ _Bald_Mt_Lookout.pdf

INDIAN HILL LOOKOUT AND BALD MOUNTAIN

LOOKOUT REPAIRS

CONTRACT SPECIFICATIONS

NORTH ZONE TOILET REPAIRS

CONTRACT SPECIFICATIONS

TABLE OF CONTENTS

NO. SPECIFICATION TITLE SHEETS

01010 SUMMARY OF WORK 1-2

01025 DEFINITION OF BID ITEMS / MEASURE AND PAYMENT 1-5

01140 WORK RESTRICTIONS 1

01330 SUBMITTAL PROCEDURES 1-2

01430 QUALITY CONTROL REQUIREMENTS 1

01510 MOBILIZATION 1

03305 CONCRETE FOR MINOR STRUCTURES 1-5

05003 CATWALK REPLACEMENT 1-5

05004 POLYVINYL-CHLORIDE (PVC) ROOFING 1-6

05005 ROOF CAP 1-4

13007 LOOKOUT LIGHTNING PROTECTION 1-10

15713 STRUCTURE REPAIR 1-5

01010 - 1

SUMMARY OF WORK

SECTION 01010

SUMMARY OF WORK

PART 1 - GENERAL

1.1 SUMMARY

There are two sites for this project.

Indian Hill Lookout – Project will include upgrading the existing lightning protection system to bring it into compliance with NFPA 780, rebuilding the wooden walkway, jacking, shoring, and repairing two support posts and horizontal bracing, replacing two concrete footings, renovating the existing catwalk to meet OSHA standards (OPTIONAL ITEM), replacing damaged stair stringers and treads.

Bald Mountain Lookout – Stripping existing membrane and sheeting off roof to expose rafters and resheating with ¾” cdx plywood and installing a new PVC roofing system, and upgrading existing lightning protection system to comply with NFPA 780.

1.2 LOCATION

A. Indian Hill Lookout - The project site is located on Indian Hill on the Moose Creek Ranger district. From Kooskia, ID travel approximately 24 miles east on Hwy 12, turn right onto County Road 223 (Selway River Road) and follow for approximately 18.5 miles, turn right onto FS Road 443 and follow for 1.4 miles, stay left to get onto FS Road 290 and follow for 12.6 miles to the terminus and project site.

Bald Mountain Lookout – This project is located at the Bald Mountain lookout at the end of the 377A road. From Potlatch Idaho take scenic Hwy 6 east, approximately 21 miles, to the Palouse Divide. At the Palouse Divide turn right onto USFS Road 377.

Take USFS Road 377, approximately 7miles to the junction of USFS Roads 377 and 377A. The Junction of USFS Roads 377 and 377A take a sharp right onto USFS Road 377A and drive to the end of the road, approximately 1 mile.

1.3 GENERAL SITE CONDITIONS AND WEATHER

A. The elevations of the sites are over 5200 feet above mean sea level. The construction site experiences heavy snowfall and extremely cold temperatures, with snow on the ground typically from mid-October until the end of May.

1.4 USE OF PREMISES

A. General: Contractor shall have full use of premises for construction operations, including use of Project site, during construction period. The project site area will be limited to the general areal in the toilet vicinity and not the campground as a whole.

Contractor's use of premises is limited only by the Government's right to perform work or to retain other contractors on portions of Project.

01010 - 2

SUMMARY OF WORK

B. Contractor shall at all times conduct his operations to ensure the least inconvenience to the public and employees.

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

D. Contractor shall provide adequate signing and barricades and take necessary safety measures to protect the public during all construction operations. Contractor shall minimize disturbance of all undisturbed areas.

E. Preservation of Natural Features: Confines all operations to work limits of the project.

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

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

2. Do not remove, injure, or destroy trees or other plants without prior approval.

Consult with CO and remove agreed-on roots and branches that interfere with construction.

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

4. Carefully supervise excavating, grading, filling, and other construction operations near trees to prevent damage.

1.5 CAMPING

A. With approval by the Moose Creek and Palouse Ranger Districts, National Forest Service lands may be used by the Contractor for camping purposes. The camping site must be agreed to in advanced and a camping permit will be issued for the anticipated duration of the work in that area.

1.6 CONSTRUCTION SEQUENCE

A. There is no specified construction sequence or season for this project.

B. Depending on conditions, normal fire restrictions may apply to activities associated with this project.

1.7 FIELD VERIFICATION

A. Field verify all new and existing dimensions affecting the work of this contract before ordering products.

END OF SECTION 01100

01025-1

DEFINITION OF BID ITEMS &

MEASUREMENT AND PAYMENT

SECTION 01025

DEFINITION OF BID ITEMS

AND

MEASUREMENT AND PAYMENT

PART 1 - GENERAL

1.1 SUMMARY

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

B. Work:

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

C. 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, as shown on the drawings, and as staked in the field.

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.

1.2 DETERMINATION OF QUANTITIES

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

B. Quantity Measurements:

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

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

3. All Contractor measurements are subject to verification.

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

01025-2

MEASUREMENT AND PAYMENT

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

C. The following measurements and calculations are used to determine contract quantities.

1. For individual construction items, longitudinal and lateral measurements for area computations shall be made horizontally or corrected to horizontal measurement unless otherwise specified. Measurements for geotextiles, netting and erosion control blankets shall be along slope lines.

2. The average end area method shall be used to compute volumes of excavation or embankment. However, if in the judgment of the Contracting Officer (CO), the average end area method is impractical, measurement shall be made by volume in hauling vehicles or by other three dimensional methods.

3. Structures shall be measured according to neat lines shown on the drawings or as altered by the CO, in writing, to fit field conditions.

4. For items that are measured by the linear foot, such as pipe culverts, fencing, guardrail, and underdrains, measurements shall be made parallel to the base or foundation upon which the structures are placed. Pipes shall be measured along center of invert.

5. For aggregates measured for payment, the cubic yards shall be measure in place and compacted using the average end area method.

6. For standard manufactured items--such as fence, wire, plates, rolled shapes, pipe conduits--identified by gauge, weight, section dimensions, and so forth, such identifications shall be considered the nominal weights or dimensions. Unless controlled by tolerances in cited specifications, manufacturer's tolerances shall be accepted.

1.3 UNITS OF MEASUREMENT

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

B. Cubic Yard: A measurement computed by one of the following methods:

1. Excavation, Embankment, or Borrow. The measurement computed by the average end area method from measurements made longitudinally along a centerline or reference line.

2. Material in Place or Stockpile. The measurement computed using the dimensions of the in-place material.

3. Material in the Delivery Vehicle. The measurement computed using measurements of material in the hauling vehicles at the point of delivery.

Vehicles shall be loaded to at least their water level capacity. Leveling of the loads may be required when vehicles arrive at the delivery point.

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

01025-3

MEASUREMENT AND PAYMENT

D. Linear Foot: Linear feet measured horizontally.

1.4 DEFINITION OF BID ITEMS

A. Definition of Bid Item No. 01001 MOBILIZATION

1. Description: Mobilization includes moving personnel, equipment, material, and incidentals to the project sites and performing all work necessary before beginning work at the project sites. Mobilization also includes the obtaining of permits, insurance, and bonds.

2. Measurement and payment: Measurement will be made on a lump sum basis.

There are three project sites, therefore up to 50% of the mobilization is eligible for payment upon mobilizing to the first project site. The remaining mobilization will be split into 25% increments and paid accordingly upon mobilization to the other two sites.

B. Definition Bid Item No. 03001 CONCRETE FOOTINGS

1. Description: Concrete footings will include any necessary excavation, prepping, pouring and backfilling that will be required in order to replace the concrete footings noted on the drawings. Specification 03001

2. Measurements and Payment: Concrete footings will be paid on a lump sum basis. When both footings are completed and approved by a CO, bid item 03001 will be eligible for payment.

C. Definition Bid Item No. 05003 CATWALK REPLACEMENT (OPTIONAL)

Description: This bid item will include reinforcement and reconstruction of the existing catwalk system. The intent of this bid item is to bring the existing catwalk compliant with OSHA regulations. The existing catwalk will be stripped, reinforced, decked and a new handrail installed. Specification 05003

Measurements and Payment: This bid item will be measure based on lump sum.

There are three major phases of this bid item, demolition and bearing supports, decking, and handrail. After each phase is completed and approved by the CO, 1/3 of the lump sum is eligible for payment.

D. Definition Bid Item No. 13007 LIGHTNING PROTECTION UPGRADE

1. Description: This bid item will include removing the existing lightning protection system and replacing with a new system that complies with NFPA

780. Work will consist of replacing lightning arresters, main conductors and appliance bonding.

01025-4

MEASUREMENT AND PAYMENT

2. Measurements and Payment: This bid item will be paid on a lump sum basis.

When the lightning system for each lookout is complete and approved by the CO, the respective pay item will be eligible for payment.

E. Definition Bid Item No. 15713 STRUCTURE REPAIR

1. Description: This bid item will include replacing horizontal and diagonal braces, repairing existing support posts, replacing stair risers, landing, and landing handrail and all activities incidental to this item. This item will need to have an approved, engineered jacking and shoring plan approved and stamped by a licensed Professional Engineer.

2. Measurements and Payment: This bid item will be paid on a lump sum basis.

When the tower fire damage is repaired and approved by the CO, this pay item will be eligible for payment.

F. Definition Bid Item No. 05004 ROOF CAP REPLACEMENT

1. Description: This bid item will include replacing existing PVC roofing membrane and roof plywood sheeting. All roofing will be removed to expose rafters, plywood replaced, and then membrane installed per specification 05004 of this package.

Measurements and Payment: This bid item will be paid on a lump sum basis.

When work for this pay item is completed and approved by CO, pay item will become eligible for payment.

PART 2 - METHOD OF MEASUREMENT

3.1 GENERAL

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

B. CONTRACT QUANTITIES (CQ)

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

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

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

01025-5

MEASUREMENT AND PAYMENT

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

C. ACTUAL QUANTITIES (AQ)

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

D. LUMP SUM QUANTITIES (LSQ)

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

END OF SECTION 01025

01140 - 1

WORK RESTRICTIONS

SECTION 01140

WORK RESTRICTIONS

PART 1-GENERAL

1.1 USE OF PREMISES

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

1. Limits: Confine constructions operations to the area around the vault toilet and any other immediately adjacent area needed to park equipment or store materials.

2. Government Occupancy: All reasonable accommodations will be made not to interfere with the occupancy of the campground outside of the immediate area of the vault toi-lets.

3. Driveways and Entrances: At the end of each work day or whenever possible keep campground roads and entrances serving camp sites clear and available to the public, Government employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

END OF SECTION 01140

01330 - 1

SUBMITTAL PROCEDURES

SECTION 01330

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 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 trans-mit submittals enough in advance of the Work to permit processing.

PART 2 – PRODUCTS

2.1 SUBMITTALS

A. General: Prepare and submit submittals required by individual Specification Sections.

1. Number of Copies: Submit two copies of each submittal, unless otherwise indi-cated. CO will return one 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.

01330 - 2

SUBMITTAL PROCEDURES

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 appli-cable.

3. Include the following information, as applicable:

a. Manufacturer's written recommendations.

b. Manufacturer's product specifications.

c. Manufacturer's installation instructions.

PART 3 – EXECUTION

3.1 GENERAL

A. Review each submittal and check for compliance with the Contract Documents. Note corrections and field dimensions. Contract shall sign and date each submittal signify-ing their approval before submitting to CO.

END OF SECTION 01330

01400 - 1

QUALITY REQUIREMENTS

SECTION 01430

QUALITY CONTROL REQUIREMENTS

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes administrative and procedural requirements for quality control.

1.2 DEFINITIONS

A. Quality-Control: Tests, inspections, procedures, and related actions during and after execution of the Work to evaluate that completed construction complies with require-ments. Services do not include contract enforcement activities performed by CO.

1.3 SUBMITTALS

A. Quality Control Plan: Prior to the start of work the contractor shall submit a quality control plan. This quality control plan shall include the method and frequency as to how the contractor will perform internal quality control during the construction period.

Also, included in the quality control plan is how deficiencies will be recognized and corrected.

1.4 QUALITY CONTROL

A. Contractor Responsibilities: Unless otherwise indicated, provide quality control for all work performed under the contract.

PART 3 – EXECUTION

3.1 REPAIR AND PROTECTION

A. Repair and protection are Contractor's responsibility.

END OF SECTION 01400

MOBILIZATION 01510-1

SECTION 01510

MOBILIZATION

PART 1 - GENERAL

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.

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. Measurement will be made on a lump sum basis. There are three project sites, therefore up to 50% of the mobilization is eligible for payment upon mobilizing to the first project site. The remaining mobilization will be split into 25% increments and paid accordingly upon mobilization to the other two sites.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION (NOT USED)

END OF SECTION 01510

June 2016

03305 - 1

CONCRETE FOR MINOR STRUCTURES

SECTION 03001

CONCRETE FOR MINOR STRUCTURES

PART 1 - GENERAL

1.1 SUMMARY

A. This specification is intended for minor structures such as thrust blocks, anchor blocks, sidewalks, and small slabs and will be used only with prior approval of the Contracting Officer (CO).

PART 2 - PRODUCTS

2.1 PREPACKAGED CONCRETE MIX

A. Prepackaged concrete mix shall not be used where the hardened concrete will be exposed to freeze-thaw conditions unless surface deterioration can be tolerated, as determined by the (CO). It shall not be used where any single placement will be more than one cubic yard.

B. Material shall be identified as conforming to ASTM C387, Normal Strength Concrete;

Normal Weight Concrete.

2.2 JOB-BATCHED CONCRETE

A. Aggregates shall be clean, washed materials supplied by a firm regularly engaged in the production of concrete aggregates. Separate stockpiles shall be maintained of sand passing a 3/8-inch sieve and coarse aggregate of 3/4 inch to No. 4 nominal size.

B. Cement:

1. ASTM C150, type II or I.

C. Proportion dry ingredients by volume in the following ratio:

1. Cement: 3 parts.

2. Sand: 5 parts.

3. Coarse aggregate: 7 parts.

D. Add water to obtain a slump of 3-6 inches. Based on the ratio of dry ingredients of 3-5-7, the water will be approximately two parts.

E. The relative proportions of sand and coarse aggregate may be adjusted, upon approval of the CO, if necessary to obtain better workability.

2.3 FORMS

A. Steel, Wood, or other suitable material of size and strength to resist movement during concrete placement and to retain horizontal and vertical alignment until removal. Use straight forms, free of distortion and defects.

03305 - 2

B. Coat forms with a non-staining form release agent that will not discolor or deface surface of concrete.

2.4 WELDED WIRE MESH

A. Welded plain cold-drawn steel wire fabric, ASTM A 185. Furnish in flat sheets, not rolls, unless otherwise acceptable to COR.

2.5 REINFORCING BARS

A. Deformed steel bars: ASTM A 615, Grade 40.

2.6 PREMOLDED EXPANSION JOINT FILLER

A. ASTM D994, D1751, or D1752 subject to compliance with requirements, provide one of the following:

1. "FF-13, FF-14, FF-15"; Progress Unlimited.

2. "SEALTIGHT"; W. R. Meadows, Inc.

3. "PLASTAZOTE"; E-Poxy Industries, Inc.

2.7 CONTROL JOINTS (PREMANUFACTURED)

A. Material: Plastic or metal.

B. Depth: Total thickness of slab.

PART 3 - EXECUTION

3.1 SURFACE PREPARATION

A. Remove loose material from compacted subbase surface immediately before placing concrete.

3.2 FORM CONSTRUCTION

A. Set forms to require grades and lines, rigidly braced and secured.

B. Install sufficient quantity of forms to allow continuous progress of work so that forms can remain in place at least 24 hours after concrete placement.

C. Clean forms after each use, and coat with form release agent as often as required to ensure separation from concrete without damage.

3.3 PLACING REINFORCEMENT

A. Clean reinforcement of loose rust and mill scale, earth, ice, and other materials, which reduce or destroy bond with concrete.

B. Place reinforcement to obtain at least minimum coverage’s for concrete protection.

03305 - 3

1. Arrange, space and securely tie bars and bar supports to hold reinforcement in position during concrete placement operations.

2. Set wire ties so ends are directed into concrete, not toward exposed concrete surfaces.

C. Install welded wire fabric in as long lengths as practicable.

1. Lap adjoining pieces at least one full mesh and lace splices with wire. Offset end laps in adjacent widths to prevent continuous laps in either direction.

3.4 MIXING OF CONCRETE

A. Thoroughly mix ingredients.

B. Use mechanical mixer if total quantity to be placed is over 8 cubic feet.

3.5 CONCRETE PLACEMENT

A. Thoroughly dampen compacted subgrade before placement.

B. Forms shall be free of debris, and surfaces shall be clean, free of frost, ice, mud, and water.

C. Place in layers to avoid segregation and begin placing at corners of structure.

D. Consolidate with mechanical vibrators or hand tampers.

E. Thoroughly work the external surface to bring mortar against the forms to produce a smooth finish, substantially free of air or water pockets or honeycomb.

3.6 COLD WEATHER

A. Heat or protect concrete, if necessary, to maintain a temperature of more than 35oF for at least 24 hours after placing.

3.7 CURING

A. Keep surfaces moist a minimum of 2 days. Acceptable methods include ponding, wet burlap, wet straw or hay, curing paper, plastic sheets, and membrane curing compound.

The CO must approve other methods.

3.8 JOINTS

A. Construct expansion, weakened-plane (contraction), and construction joints true-to-line with face perpendicular to surface of concrete.

B. (Contraction) Joints:

1. Provide weakened-plane (contraction) joints, sectioning concrete into areas as shown on drawings.

2. Construct weakened-plane joints for a depth equal to at least 1/4 concrete thickness, as follows:

03305 - 4

C. Tooled Joints:

1. Form weakened-plane joints in fresh concrete by grooving top portion with a recommended cutting tool and finishing edges with a jointer.

D. Sawed Joints:

1. Form weakened-plane joints using powered saws equipped with shatterproof abrasive or diamond-rimmed blades.

2. Cut joints into hardened concrete as soon as surface will not be torn, abraded, or otherwise damaged by cutting action.

E. Construction Joints:

1. Place construction joints at end of placements and at locations where placement operations are stopped for a period of more than 1/2-hour, except where such placements terminate at expansion joints.

3.9 CONCRETE FINISHING

A. After striking-off and consolidating concrete, smooth surface with screeding and floating.

Use hand methods only where mechanical floating is not possible.

B. After completion of floating and troweling when excess moisture or surface sheen has disappeared, complete surface finishing, as follows:

1. Broom finish, by drawing a fine-hair broom across concrete surface, perpendicular to line of traffic. Repeat operation if required to provide a fine line texture acceptable to the CO.

2. On inclined slab surfaces, provide a coarse, non-slip finish by scoring surface with a stiff-bristled broom, perpendicular to line of traffic.

3. Burlap finish, by dragging a seamless strip of damp burlap across concrete, perpendicular to line of traffic. Repeat operation to provide a gritty texture acceptable to the CO.

C. Do not remove forms for 24 hours after concrete has been placed.

D. After form removal, clean ends of joints and point-up any minor honeycombed areas.

E. Remove and replace areas or sections with major defects.

3.10 REPAIRS AND PROTECTIONS

A. Repair or replace broken or defective concrete.

B. Protect concrete from damage until acceptance of work.

1. Exclude traffic from pavement for at least 14 calendar days after placement.

2. When construction traffic is permitted, maintain pavement as clean as possible by removing surface stains and spillage of materials as they occur.

03305 - 5

3. Sweep concrete pavement and wash free of stains, discolorations, dirt and other foreign material just prior to final inspection.

END OF SECTION 03305

05003 - 1

CATWALK REPLACEMENT

SECTION 05003

CATWALK REPLACEMENT

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Wood framing.

2. Wood supports.

3. Wood blocking.

4. Wood cants.

5. Wood nailers.

6. Wood furring.

7. Wood grounds.

8. Wood sheathing.

9. Wood subflooring.

10. Wood underlayment.

11. Plywood backing panels.

12. Building wrap.

1.2 SUBMITTALS

A. Product Data: For each type of process and factory-fabricated product indicated.

1. Include data for wood-preservative treatment from chemical treatment manu-facturer and certification by treating plant that materials comply with require-ments.

B. Research/Evaluation Reports: For the following:

1. Treated wood.

2. Engineered wood products.

3. Foam-plastic sheathing.

4. Power-driven fasteners.

5. Powder-actuated fasteners.

6. Expansion anchors.

7. Metal framing anchors.

8. Building wrap.

PART 2 - PRODUCTS

2.1 MAUFACTURERS

05003 - 2

A. In other Part 2 articles where subparagraph titles below introduce lists, the following requirements apply for product selection:

1. Available Manufacturers: Subject to compliance with requirements, manufac-turers offering products that may be incorporated into the work include, but are not limited to, the manufacturers specified.

2.2 WOOD PRODUCTS, GENERAL

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

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

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

3. Provide dressed lumber, S4S, unless otherwise indicated.

4. Provide dry lumber with 19 percent maximum moisture content at time of dress-ing for 2-inch nominal (38-mm actual) thickness or less, unless otherwise indi-cated.

2.3 WOOD-PRESERVATIVE-TREATED MATERIALS

A. Preservative Treatment by Pressure Process: AWPA C2 (lumber) and AWPA C9 (plywood), except that lumber that is not in contact with the ground and is continu-ously protected from liquid water may be treated according to AWPA C31 with inor-ganic boron (SBX).

1. Wood for Wood Foundation Systems: WPB FDN.

2. Wood for Ground Contact Use: AWPB LP-22.

3. Wood for Aboveground Use: AWPB LP-2.

B. Kiln-dry material after treatment to maximum moisture content of 19 percent for lumber and 15 percent for plywood.

C. Mark each treated item with treatment quality mark of an inspection agency approved by the American Lumber Standards Committee Board of Review.

D. Application: Treat items indicated on Drawings, and the following:

1. Wood cants, nailers, curbs, equipment support bases, blocking, stripping, and similar members in connection with roofing, flashing, vapor barriers, and water-proofing.

2. Wood sills, sleepers, blocking, furring, stripping, and similar concealed mem-bers in contact with masonry or concrete.

3. Wood framing members less than 18 inches (460 mm) above grade.

05003 - 3

4. Wood floor plates that are installed over concrete slabs directly in contact with earth.

2.4 DIMENSION LUMBER

A. General: Of grades indicated according to the American Lumber Standards Commit-tee National Grading Rule provisions of the grading agency indicated.

B. Framing: Coastal Douglas Fir No 1 or Structural Select.

2.5 TIMBER AND MISCELLANEOUS LUMBER

A. For timbers of 5-inch nominal (117-mm actual) size and thicker, provide material complying with the following requirements:

1. Species and Grade: Douglas fir-larch, Douglas fir-larch (north), or Douglas fir-south; Select Structural No. 1 grade; NLGA< WCLIB< or WWPA.

B. Provide miscellaneous lumber for support or attachment of other construction, includ-ing the following:

1. Rooftop equipment bases and support curbs.

2. Blocking.

3. Cants.

4. Nailers.

5. Furring.

6. Grounds.

2.6 SHEATHING

A. Plywood Wall Sheathing:

1. Span Rating: As required to suit stud spacing indicates.

2. Span Rating: 12/0, 16/0, 20/0 or Wall-16 oz. For stud spacing of 16” or less, 38” thick.

3. Span Rating: 24/0, 24/16, 32/16 for stud spacing of 24” or less, 15/32” or 7/16” or ½” thick.

B. Plywood Roof Sheathing:

1. Span Rating 24/16, ¾” or 7/8” thick.

2.7 MISCELLANEOUS MATERIALS

A. Fasteners:

05003 - 4

1. Where rough carpentry is exposed to weather, in ground contact, or in area of high relative humidity, provide fasteners with hot-dip zinc coating complying with ASTM A 153/A 153M.

2. Power-Driven Fasteners: CABO NER-272.

3. Bolts: Steel bolts complying with ASTM A 307, Grade A (ASTM F 568M, Property Class 4.6); with ASTM A 563 (ASTM A 563M) hex nuts and, where indicated, flat washers.

B. Metal Framing Anchors: Made from hot-dip, zinc-coated steel sheet complying with ASTM A 653/A 653M, G60 (Z180) coating designation.

1. Available Manufacturers:

a. Alpine Engineered Products, Inc.

b. Cleveland Steel Specialty Co.

c. Harlen Metal Products, Inc.

d. KC Metals Products, Inc.

e. Silver Metal Products, Inc.

f. Simpson Strong-Tie Company, Inc.

g. Southeastern Metals Manufacturing Co., Inc.

h. United Steel Products Company, Inc.

2. Research/Evaluation Reports: Provide products acceptable to authorities having jurisdiction and for which model code research/evaluation reports exist that show compliance of metal framing anchors, for application indicated, with building code in effect for Project.

3. Allowable Design Loads: Meet or exceed those indicated per manufacturer's published values determined from empirical data or by rational engineering analysis and demonstrated by comprehensive testing performed by a qualified independent testing agency.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Set rough carpentry to required levels and lines, with members plumb, true to line, cut, and fitted. Fit rough carpentry to other construction; scribe and cope as needed for ac-curate fit. Locate furring, nailers, blocking, grounds and similar supports to comply with requirements for attaching other construction.

B. Apply field treatment complying with AWPA M4 to cut surfaces of preservative-treated lumber and plywood.

C. Securely attach rough carpentry work to substrate by anchoring and fastening as indi-cated, complying with the following:

1. CABO NER-272 for power-driven fasteners.

05003 - 5

2. Published requirements of metal framing anchor manufacturer.

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

4. Table 2306.1, "Fastening Schedule," in the Standard Building Code.

5. Table 602.3(1), "Fastener Schedule for Structural Members," and Ta-ble 602.3(2), "Alternate Attachments," in the International One- and Two-Fam-ily Dwelling Code.

D. Use finishing nails for exposed work, unless otherwise indicated. Countersink nail heads and fill holes with wood filler.

E. Framing Standard: Comply with AFPA's "Manual for Wood Frame Construction," unless otherwise indicated.

F. Framing with Engineered Wood Products: Install engineered wood products to com-ply with manufacturer's written instructions.

G. Comply with applicable recommendations contained in APA Form No. E30K, "APA Design/Construction Guide: Residential & Commercial," for types of structural-use panels and applications indicated.

1. Comply with "Code Plus" provisions in above-referenced guide.

H. Fastening Methods:

1. Combination Subfloor-Underlayment: Glue and nail to wood framing.

2. Subflooring: Glue and nail to wood framing.

3. Sheathing: Nail to wood framing.

4. Underlayment: Nail to subflooring.

5. Plywood Backing Panels: Nail or screw to supports.

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

J. Building Wrap Application: Cover wall sheathing with building wrap as indicated.

Cover upstanding flashing with 4-inch (102-mm) overlap. Seal seams, edges, and penetrations with tape.

K. Apply sheathing tape to joints between sheathing panels and at items penetrating sheathing. Apply at upstanding flashing to overlap both flashing and sheathing.

END OF SECTION 05003

POLYVINYL-CHLORIDE (PVC) ROOFING 05004

SECTION 05004

POLYVINYL-CHLORIDE (PVC) ROOFING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Adhered polyvinyl-chloride (PVC) roofing system.

2. Mechanically fastened polyvinyl-chloride (PVC) roofing system.

3. Loosely laid and ballasted polyvinyl-chloride (PVC) roofing system.

B. Related Requirements:

1. Section 061600 "Sheathing" for wood-based, structural-use roof deck panels.

2. Section 070150.19 "Preparation for Re-Roofing" for re-cover board beneath new roofing.

1.3 DEFINITIONS

A. Roofing Terminology: Definitions in ASTM D 1079 and glossary in NRCA's "The NRCA Roofing and Waterproofing Manual" apply to work of this Section.

1.4 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Shop Drawings: For roofing system. Include plans, elevations, sections, details, and attachments to other work, including:

1. Base flashings and membrane terminations.

2. Roof plan showing orientation of roof deck and orientation of roofing, fastening spacings, and patterns for mechanically fastened roofing.

C. Samples for Verification: For the following products:

1. Sheet roofing, of color required.

1.5 INFORMATIONAL SUBMITTALS

A. Qualification Data: For Installer and manufacturer.

B. Manufacturer Certificates: Signed by roofing manufacturer certifying that roofing system complies with requirements specified in "Performance Requirements" Article.

1. Submit evidence of compliance with performance requirements.

1.6 QUALITY ASSURANCE

A. Manufacturer Qualifications: A qualified manufacturer that is UL listed for roofing system identical to that used for this Project.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver roofing materials to Project site in original containers with seals unbroken and labeled with manufacturer's name, product brand name and type, date of manufacture, approval or listing agency markings, and directions for storing and mixing with other components.

B. Store liquid materials in their original undamaged containers in a clean, dry, protected location and within the temperature range required by roofing system manufacturer. Protect stored liquid material from direct sunlight.

1. Discard and legally dispose of liquid material that cannot be applied within its stated shelf life.

C. Protect roof insulation materials from physical damage and from deterioration by sunlight, moisture, soiling, and other sources. Store in a dry location. Comply with insulation manufacturer's written instructions for handling, storing, and protecting during installation.

D. Handle and store roofing materials, and place equipment in a manner to avoid permanent deflection of deck.

1.8 FIELD CONDITIONS

A. Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit roofing system to be installed according to manufacturer's written instructions and warranty requirements.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Source Limitations: Obtain components including fasteners for roofing system from same manufacturer as membrane roofing or manufacturer approved by membrane roofing manufacturer.

2.2 PERFORMANCE REQUIREMENTS

A. General Performance: Installed roofing and base flashings shall withstand specified uplift pressures, thermally induced movement, and exposure to weather without failure due to defective manufacture, fabrication, installation, or other defects in construction. Roofing and base flashings shall remain watertight.

1. Accelerated Weathering: Roofing system shall withstand 2000 hours of exposure when tested according to ASTM G 152, ASTM G 154, or ASTM G 155.

2. Impact Resistance: Roofing system shall resist impact damage when tested according to ASTM D 3746 or ASTM D 4272.

B. Material Compatibility: Roofing materials shall be compatible with one another and adjacent materials under conditions of service and application required, as demonstrated by roofing manufacturer based on testing and field experience.

C. Roofing System Design: Tested by a qualified testing agency to resist the following uplift pressures:

1. Corner Uplift Pressure: 30 lbf/sq. ft..

2. Perimeter Uplift Pressure: 30lbf/sq. ft..

3. Field-of-Roof Uplift Pressure: 30lbf/sq. ft..

D. Exterior Fire-Test Exposure: ASTM E 108 or UL 790, Class B; for application and roof slopes indicated; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency.

E. Fire-Resistance Ratings: Comply with fire-resistance-rated assembly designs indicated. Identify products with appropriate markings of applicable testing agency.

2.3 PVC ROOFING

A. PVC Sheet: ASTM D 4434/D 4434M, Type III, fabric reinforced and fabric backed.

1. Thickness: 60 mils, nominal.

2. Exposed Face Color: White.

B. PVC Sheet: ASTM D 4434/D 4434M, Type II, Grade I, glass-fiber reinforced, felt backed.

1. Thickness: 60 mils, nominal.

2. Exposed Face Color: Gray.

C. PVC Sheet: ASTM D 4434/D 4434M, Type IV, fabric reinforced and fabric backed.

1. Thickness: 60 mils, nominal.

2. Exposed Face Color: White.

2.4 AUXILIARY ROOFING MATERIALS

A. General: Auxiliary materials recommended by roofing system manufacturer for intended use and compatible with roofing.

1. Liquid-type auxiliary materials shall comply with VOC limits of authorities having jurisdiction.

B. Sheet Flashing: Manufacturer's standard sheet flashing of same material, type, reinforcement, thickness, and color as PVC sheet.

C. Bonding Adhesive: Manufacturer's standard.

D. Slip Sheet: Manufacturer's standard, of thickness required for application.

E. Metal Termination Bars: Manufacturer's standard, predrilled stainless-steel or aluminum bars, approximately 1 by 1/8 inch thick; with anchors.

F. Metal Battens: Manufacturer's standard, aluminum-zinc-alloy-coated or zinc-coated steel sheet, approximately 1 inch wide by 0.05 inch thick, prepunched.

G. Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion-resistance provisions in FM Global 4470, designed for fastening roofing to substrate, and acceptable to roofing system manufacturer.

H. Miscellaneous Accessories: Provide pourable sealers, preformed cone and vent sheet flashings, preformed inside and outside corner sheet flashings, T-joint covers, lap sealants, termination reglets, and other accessories.

2.5 SUBSTRATE BOARDS

A. Substrate Board: ASTM C 1177/C 1177M, glass-mat, water-resistant gypsum substrate, 1/2 inch thick.

B. Substrate Board: ASTM C 1278/C 1278M, cellulosic-fiber-reinforced, water-resistant gypsum substrate, 1/2 inch thick.

C. Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion-resistance provisions in FM Global 4470, designed for fastening substrate board to roof deck.

PART 3 - EXECUTION

3.1 PREPARATION

A. Clean substrate of dust, debris, moisture, and other substances detrimental to roofing installation according to roofing system manufacturer's written instructions. Remove sharp projections.

3.2 ROOFING INSTALLATION, GENERAL

A. Install roofing system according to roofing system manufacturer's written instructions.

B. Complete terminations and base flashings and provide temporary seals to prevent water from entering completed sections of roofing system at end of workday or when rain is forecast. Remove and discard temporary seals before beginning work on adjoining roofing.

3.3 SUBSTRATE BOARD INSTALLATION

A. Install substrate board with long joints in continuous straight lines, perpendicular to roof slopes with end joints staggered between rows. Tightly butt substrate boards together.

1. Fasten substrate board to top flanges of steel deck according to recommendations in FM Global's "RoofNav" and FM Global Loss Prevention Data Sheet 1-29 for specified Windstorm Resistance Classification.

2. Fasten substrate board to top flanges of steel deck to resist uplift pressure at corners, perimeter, and field of roof according to roofing system manufacturers' written instructions.

3.4 MECHANICALLY FASTENED ROOFING INSTALLATION

A. Mechanically fasten roofing over area to receive roofing according to roofing system manufacturer's written instructions. Unroll roofing and allow to relax before retaining.

1. Install sheet according to ASTM D 5082.

2. For in-splice attachment, install roofing with long dimension perpendicular to steel roof deck flutes.

B. Accurately align roofing, and maintain uniform side and end laps of minimum dimensions required by manufacturer. Stagger end laps.

C. Mechanically fasten or adhere roofing securely at terminations, penetrations, and perimeter of roofing.

D. Apply roofing with side laps shingled with slope of roof deck where possible.

E. In-Seam Attachment: Secure one edge of PVC sheet using fastening plates or metal battens centered within seam, and mechanically fasten PVC sheet to roof deck.

F. Seams: Clean seam areas, overlap roofing, and hot-air weld side and end laps of roofing and sheet flashings according to manufacturer's written instructions to ensure a watertight seam installation.

1. Test lap edges with probe to verify seam weld continuity. Apply lap sealant to seal cut edges of sheet.

2. Verify field strength of seams a minimum of twice daily, and repair seam sample areas.

3. Repair tears, voids, and lapped seams in roofing that do not comply with requirements.

G. Spread sealant bed over deck-drain flange at roof drains, and securely seal roofing in place with clamping ring.

3.5 FIELD QUALITY CONTROL

A. Repair or remove and replace components of roofing system where inspections indicate that they do not comply with specified requirements.

3.6 PROTECTING AND CLEANING

A. Correct deficiencies in or remove roofing system that does not comply with requirements, repair substrates, and repair or reinstall roofing system to a condition free of damage and deterioration at time of Substantial Completion and according to warranty requirements.

B. Clean overspray and spillage from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction.

END OF SECTION 075419

13007

SECTION 13007

LOOKOUT STRUCTURE LIGHTNING PROTECTION SYSTEM

PART I - GENERAL

1.1 The Contractor shall provide and install a lightning protection system complying with the provisions of the latest "Lightning Protection Code" from the National Fire Protection Association, any state and local codes, and these Specifications. Lookouts shall be classified as Class II without regard to building height. The buildings lightning protection system shall handle multiple strikes during a single storm. All work shall be done by state licensed or Forest Service approved electricians, with nationally recognized certification as a lightning protection installer such as a “Certified Master Installer with the Lightning Protection Institute”.

1.2 Description - The lightning protection system shall consist of the following:

A. Main protective system - Air terminals, main down conductors, equal potential rings, bonding exterior metal objects, and connection to the grounding system.

B. Grounding system - Radials, ground electrodes, ground enhancement materials.

C. Tower grounding - Varies for conductive and non-conductive towers. Antennae grounding at the antennae and at the base of the tower, connection to the grounding system, and possibly air terminals, main down conductors, bonding metal objects, and guy wire bonding/grounding.

D Guy wire grounding - If present (shown in the drawings) a guy wire bonding system at the structure and at the guy wires base with its required grounding system.

E. Single point entrance - Single bonding point for entering the building and from there a single entrance point going between floors. All systems (AC, DC, Telephone, Lightning, antennae, gas, etc.) all enter the building at the same location and are attached to ground at this point.

F. Special areas

1. Personnel locations - Living quarters require interior equal potential ring(s), single point entrance, and interior interconnection (bonding) of metals. Slab on grade living quarters require multipoint grounding to the exterior equal ground ring and bonding of metals.

2. Telecommunications equipment locations - Require interior equal potential ring, single point entrance (bulkhead panel and/or ground plates), interior interconnection (bonding) of metals, and bonding of equipment racks.

3. Other locations - As noted on the drawings.

G. Service protection - Sites having AC or DC power, telephone service, or coax/waveguides to the building, shall have protective devices to block surges from entering the building.

1.3 Measurement and Payment - The work in this section shall be measured and paid for by one or more of the following methods as shown in the Schedule of Items:

A. Incidental to the building item or included as part of other pay items or separate as shown in the Schedule of Items. No separate measurement or payment will be made.

B. Lightning Protection System - Lump Sum including full compensation for all labor, materials, and incidentals necessary to complete the work as shown on the drawings including all wiring, bonding, trenching, bedding, backfill, testing, and all other incidentals necessary for a functional system.

1.4 Reference Specifications - The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only.

NFPA 78 National Fire Protection Association (NFPA) Lightning Protection Code International Building Code (IBC) National Electrical Code (NEC) National Electrical Installation Standards (NEIS) National Electrical Manufacturers Association (NEMA) Underwriters’ Laboratory (UL)

1.5 Related Work - The work shall be in accordance with the following subsidiary specifications.

The subsidiary specifications are referred to in the text by the Section designation only.

Section 01300 Submittals

PART II - MATERIALS

2.1 All materials and equipment furnished and installed shall be of the highest quality, new and meet the standards of NEMA, NEIS, UL, NFPA, IBC, NEC and shall bear their label wherever standards have been established and label service is available. Where there is a conflict between the standards, the more stringent shall govern. Where materials and equipment are specified by manufacturer's name, the type and quality required is thereby denoted.

2.2 Substitutions - The equipment specified carries brand names and catalog numbers and shall be interpreted as establishing a standard of quality. Substitutions will be considered in accordance with Section 01300.

2.3 Drawings - Architectural and site documents are considered a part of the lightning protection system documents insofar as they apply, as if referred to in full.

If work planned is on an existing building the drawings may be approximate; conductor paths, devices, equipment, etc., are indicated only in their approximate location, unless dimensioned.

Sites may have…