16610 Lightning Protection.doc

MASTERSPEC text, Copyright 1995, AIA, The American Institute of Architects

Paragraph number formatting method, Copyright 1988, ARCOM, Architectural Computer Services, Inc.

SECTION 16610

KRSM Built-up Roof IDIQ

LIGHTNING PROTECTION

PART 1 - GENERAL

1.01

RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

B.

The following standards shall form a part of this specification; NFPA 70, NFPA 780, Mil-HDBK-419, and DOD 6055.9, AFI 32-1065, LPI-175, and UL 96 & 96A.

1.02

SCOPE

A. This Section includes lightning protection for buildings and associated structures and requirements for lightning protection system components.

B. The work covered by this section of the specifications consists of furnishing all materials, labor, and items of service required for the completion of a functional lightning protection system as approved by the Project Engineer, and in strict accordance with this section of the specifications and the applicable contract drawings.

C. If any departure from the contract drawings or submittal drawings covered below are deemed necessary by the Contractor, details of such departures and reasons therefore shall be submitted as soon as practicable to the Project Engineer for approval. No such departures shall be made without the prior written approval of the Project Engineer.

1.03

SYSTEM DESCRIPTION

DELETE THIS ARTICLE UNLESS CONTRACTOR IS RESPONSIBLE FOR SYSTEM LAYOUT. EXPAND TO INDICATE EXTENT OF PROTECTION REQUIRED AND ANY FEATURES OF PROTECTED FACILITY (INCLUDING SPECIALIZED USE) THAT MAY AFFECT APPLICATION OF SPECIFIED STANDARDS. COORDINATE WITH DRAWINGS. SEE EDITING INSTRUCTION NO. 2 IN THE EVALUATIONS.

A.

Protect entire building.

B.

Protect indicated trees.

1.04

SUBMITTALS

A.

General: Submit each item in this Article according to the Conditions of the Contract and Division 1 Specification Sections.

EDIT 2 PARAS BELOW TO CLARIFY SUBMISSION REQUIREMENTS FOR PRODUCT DATA AND SHOP DRAWINGS.

B.

Product Data for each component specified. Include the following:

DELETE BELOW EXCEPT FOR AIR TERMINALS, ETC., MOUNTED ON SINGLE-PLY MEMBRANE ROOFING.

1.

Roof adhesive data.

2.

Decorative air terminal illustrations.

C. Complete shop drawings detailing lightning protection system, the type, size, and locations for all equipment, grounds, and cable routings, etc., shall be submitted to the Project Manager for approval prior to start of work. Include air terminal locations, conductor routing and connections, and bonding and grounding provisions. Include indications for use of raceway and data on how concealment requirements will be met.

D.

Samples and pertinent catalog data shall be submitted to the Project Engineer for approval.

E.

Qualification data for firms and persons specified in "Quality Assurance" Article to demonstrate their capabilities and experience. Include data on listing or certification by nationally recognized testing laboratory (NRTL) or trade association. Include lists of completed projects with project names and addresses, names and addresses of architects and owners, and other information specified.

F.

Certification, signed by Contractor, that roof adhesive for air terminals is approved by manufacturers of both the terminal assembly and the single-ply membrane roofing material.

G.

Field inspection reports indicating compliance with specified requirements.

1.05

QUALITY ASSURANCE

A.

Installer Qualifications: Engage an experienced installer who is NRTL listed or who is certified by the Lightning Protection Institute as a Master Installer/Designer.

B.

Listing and Labeling: Provide products specified in this Section that are listed and labeled.

1.

The Terms "Listed" and "Labeled": As defined in the National Electrical Code, Article 100.

SUBPARA BELOW IS REQUIRED BY SOME FEDERAL AGENCIES.

2.

Listing and Labeling Agency Qualifications: A "Nationally Recognized Testing Laboratory" (NRTL) as defined in OSHA Regulation 1910.7.

CHOOSE 1 OR MORE OF 3 PARAS BELOW TO REQUIRE THIRD-PARTY CERTIFICATION OF COMPLETED SYSTEM. COORDINATE WITH INSTALLATION STANDARDS COMPLIANCE PARA(S) IN PART 3. UL INSPECTS FOR UL 96A COMPLIANCE. LPI INSPECTS FOR COMPLIANCE WITH LPI REQUIREMENTS AND WITH UL 96A. ETL TESTING LABORATORIES INSPECTS FOR COMPLIANCE WITH ALL SPECIFIED STANDARDS. SEE EVALUATIONS.

C.

Provide UL Master Label.

D.

Provide LPI certification of system.

D. Provide ETL Master Label indicating system complies with specified requirements.

E. The lightning protection system shall conform to the requirements of the UL, NFPA and DOD Standards for Lightning Protection Systems (LPS).

F. The system to be furnished under this specification shall be the standard product of a manufacturer regularly engaged in the production of lightning protection systems and shall be the manufacturer’s latest approved design. The equipment manufacturer shall also be UL listed and approved manufacturer and a fully certified manufacturer member in good standing of the Lightning Protection institute. All materials shall be supplied by an LPI approved supplier, such as VFC, Inc., 1409 South 600 West, Unit A, Woods Cross, Utah 84087, or Harger Lightning Protection Inc., 1066 Campus Drive, Mundelein, IL 60060-3831. For approval of LPI manufacturer other than specified, proposed material data and installation drawings shall be submitted for review and approval not less than 10 days prior to bid.

1.06

SEQUENCING AND SCHEDULING

A.

Coordinate installation of lightning protection with installation of other building systems and components, including electrical wiring, supporting structures and building materials, metal bodies requiring bonding to lightning protection components, and building finishes.

PART 2 - PRODUCTS

2.01

MANUFACTURERS

A.

Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

RETAIN ABOVE FOR NONPROPRIETARY OR BELOW FOR SEMIPROPRIETARY SPECIFICATION. REFER TO DIVISION 1 SECTION "MATERIALS AND EQUIPMENT."

B.

Manufacturers: Subject to compliance with requirements, provide products by of one of the following:

SEE EDITING INSTRUCTION NO. 1 IN THE EVALUATIONS FOR CAUTION ABOUT NAMING PRODUCTS AND MFRS.

1. ERICO, Inc.

2. VFC, Inc.

3.

Harger Lightning Protection, Inc

3. Thompson Lightning Protection Co.

2.02 LIGHTNING PROTECTION SYSTEM COMPONENTS

A.

All equipment used in this installation shall be factory inspected, approval and properly labeled in accordance with UL requirements.

B. All equipment shall be new, the product of a single manufacturer as outlined above, and of a design and construction to suit the application where it is to be used in accordance with accepted industry standards and UL and NFPA Code requirements for Class I structures and as per manufacturer recommendations.

C. Comply with UL 96.

D. All materials shall be copper or copper alloy and of the size, weight, and construction to suit the application where used in accordance with UL and NFPA Code requirements for Class I structures and as per manufacturer recommendations.

E. Conductors shall be copper, of 32 strands, 17-gauge minimum, VFC catalog # 32, or approved equal, or as specified on the drawings.

F. Air terminals shall be solid, round copper bar of a minimum of 3/8” X 12”, VFC catalog # 61, or approved equal, and shall project 10” minimum above the object to be protected. Locate and space according to UL and NFPA requirements, use aluminum points of the same size only when required for corrosion prevention.

G. Air terminal bases shall be of cast bronze with bolt pressure cable connections and shall be securely mounted with stainless steel screws or bolts. Crimp type connectors are not acceptable. VFC catalog numbers 153, 150, 152, etc., or approved equal, as required.

H. Ground rods shall be a minimum 5/8” in diameter and 10’-0” long. VFC catalog number 5810, or approved equal. They shall be connected to the system by Cadweld exothermic weld process or approved equal.

I. Cable fasteners shall be substantial in construction, electrolyticlly compatible with conductors and mounting surface and shall be spaced according to LPI and NFPA Code requirements. VFC catalog numbers 251, 262 or approved equal. When using adhesive supports, adhesive must be compatible with roof material, and shall be approved by roofing manufacturer prior to installation.

J. Bonding devices, cable splicers and miscellaneous connectors shall be by Cadweld exothermic weld process or of cast bronze with bolt connections to cable. Cast or stamped crimp fittings are not acceptable. Splicers similar to VFC Catalog numbers 204, 208, etc., bonding devices similar to VFC catalog numbers 216, 213, 234, 235, etc., or approved equal.

K. Equipment on stacks and chimneys shall be protected from corrosion and sized in accordance with UL and NFPA requirements.

L. All miscellaneous bolts, nuts and screws shall be brass, bronze, or stainless steel.

M. All TVSS equipment shall comply with Section(s) 16555.

N. All static electricity protection shall comply with Section 16565.

PART 3 - EXECUTION

3.01

EXAMINATION

A.

Examine surfaces, areas, and conditions, with Installer present, for compliance with installation tolerances and other conditions affecting performance of lightning protection. Do not proceed with installation until unsatisfactory conditions have been corrected.

3.02

INSTALLATION

A. An experienced installer who is a Certified Master Installer/Designer of the LPI or working under the direct supervision of an LPI manufacturer as listed above or his authorized LPI Certified Master Installer representative shall accomplish the installation.

B. All equipment shall be installed in a neat workmanlike manner in the most inconspicuous manner possible. The system shall consist of a complete cable network on the roof involving all air terminals, splices, and bond with cable downleads routed concealed either directly in the building construction or in conduit to ground.

C. Downlead cables shall be brought down concealed within the exterior walls of the structure.

D. Copper equipment shall not be connected to aluminum surfaces except by means of an UL approved bimetal transition fitting.

E.

Install lightning protection as indicated, according to manufacturer's written instructions.

EDIT PARA BELOW TO INDICATE WHICH STANDARDS APPLY. INCLUDE UL WHEN UL MASTER LABEL IS SPECIFIED, LPI WHEN LPI CERTIFICATION IS REQUIRED, AND NFPA WHERE REQUIRED BY CODE OR WHERE THE MOST STRINGENT OR COMPREHENSIVE REQUIREMENTS ARE NEEDED.

F.

Comply with UL 96A, LPI-175, and NFPA 780.

DELETE PARA BELOW IF SPECIFYING CONFORMANCE TO ONLY ONE STANDARD.

G.

Install conductors with direct paths from air terminals to ground connections. Avoid sharp bends and narrow loops. Where indicated, run conductors in nonmetallic raceway, Schedule 40, minimum.

DELETE SOME OR ALL OF 5 PARAS BELOW, DEPENDING ON DEGREE OF CONCEALMENT DESIRED FOR LIGHTNING PROTECTION COMPONENTS. IF ALL 5 PARAS ARE DELETED, THERE WILL BE NO RESTRICTIONS ON EXPOSED CONDUCTORS.

H.

Conceal system conductors.

I.

Conceal down conductors.

J.

Conceal interior conductors.

K.

Conceal conductors from normal view from exterior locations at grade within 200 feet (60 m) of building.

L.

Provide notification to the Project Manager, at least 48 hours before concealing lightning protection components.

EXOTHERMIC-WELDED CONNECTIONS ARE CONSIDERED MORE PERMANENT THAN CRIMPED OR BOLTED CONNECTIONS. IF EXOTHERMIC-WELDED CONNECTIONS ARE DESIRED, INCLUDE PARA BELOW. EDIT IF SINGLE-PLY MEMBRANE ROOFING IS NOT USED OR IF EXOTHERMIC CONNECTIONS ARE ONLY REQUIRED IN UNDERGROUND PORTIONS OF SYSTEM.

M.

Cable Connections: Use approved exothermic-welded connections for all conductor splices and connections between conductors and other components except those above single-ply membrane roofing.

DELETE PARA BELOW FOR ROOF TYPES OTHER THAN SINGLE-PLY MEMBRANE ROOFING.

N.

Air Terminals on Single-Ply Membrane Roofing: Comply with adhesive manufacturer's installation instructions.

DELETE PARAS BELOW IF NFPA 780 COMPLIANCE IS SPECIFIED. INCLUDE THESE PARAS, IF DESIRED, TO SPECIFY BONDING REQUIREMENTS THAT EXCEED MINIMUM UL 96A AND LPI-175 CODE REQUIREMENTS. SEE EDITING INSTRUCTION NO. 3 IN THE EVALUATIONS. COORDINATE WITH DRAWINGS FOR COUNTERPOISE REQUIREMENTS IF ANY.

O.

Bond extremities of vertical metal bodies exceeding 60 feet (18 m) in length to lightning protection components.

P.

Bond ground terminals to counterpoise conductor.

Q.

Bond grounded metal bodies on building within 12 feet (4 m) of ground to counterpoise conductor.

R.

Bond grounded metal bodies on building within 12 feet (4 m) of roof to counterpoise conductor.

DELETE PARA ABOVE OR BELOW.

S.

Bond grounded metal bodies on building within 12 feet (4 m) of roof to interconnecting loop at eave level or above.

T. Bond lightning protection components to grounded metal bodies on building at every 60 feet (18 m) with intermediate-level interconnection loop conductors.

U. Install ground test wells.

V. Install facility counterpoise,utilizing #6 bare copper wire, 36 inches from the facility.

W. Install TVSS equipment as per Section 16555 and 16671.

X. Install static electricity equipment as per Section 16565.

3.03

CORROSION PROTECTION

A.

Do not combine materials that can form an electrolytic couple that will accelerate corrosion in the presence of moisture, unless moisture is permanently excluded from the junction of such materials.

B.

Use conductors with protective coatings where conditions would cause deterioration or corrosion of conductors.

3.04

FIELD QUALITY CONTROL

EDIT THIS ARTICLE TO SPECIFY INSPECTIONS FOR NRTL MASTER LABEL OR LPI CERTIFICATION. SEE EVALUATIONS.

DELETE PARA BELOW IF LPI CERTIFICATION IS NOT SPECIFIED.

A.

Periodic Inspections: Provide the services of a qualified inspector to perform periodic inspections during construction and at its completion, according to LPI-177.

SELECT 1 OF 2 PARAS BELOW IF NRTL MASTER LABEL IS DESIRED.

B.

UL Inspection: Apply for inspection by UL as required for UL master labeling of system.

C.

ETL Inspection: Provide the services of ETL to inspect completed system for conformance with specified requirements.

3.5 COORDINATION

A. The lightning protection installer shall work with other trades to insure a correct, neat and unobtrusive installation.

B. It shall be the responsibility of the lightning protection installer to assure a sound bond to the main water service and to assure interconnection with other building ground systems, including both telephone and electrical. Proper arresters shall be installed on the power and telephone service by either the utility or the electrical contractor as applicable.

3.06

COMPLETION

A. The lightning protection installer shall secure and deliver the UL Master Label “C” to the Project Engineer for the owner upon completion of the installation.

B. The Contractor shall also submit 1 copy of the as-built shop drawings.

C. The Contractor actually installing the lightning protection equipment covered under this section, and that of sections 16555 and 16565, shall submit to the project engineer, a letter of certification on company letterhead stating and certifying the following:

Customer Name

Project Name

Project Location City & State

Please accept this letter as our certification that all of the Lightning Protection components supplied by (name)___________ are manufactured to the specifications of Underwriters Laboratories UL 96 “Lightning Protection Components”. All (name)____________ Lightning Protection Products are listed with U.L. and undergo U.L. factory inspections. (manufacturing # ________, installation # (company UL Listing number).

(Name) _______________ is a member in good standing of the Lightning Protection Institute, and employs L.P.I. Certified Master installers (names and certification numbers) _______________ .

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