RFI_21.pdf

REQUEST FOR INFORMATION

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From: Date:

To: Contracting Officer

1. Solicitation Number:

W91364-19-B-7001

2. Location of Project:

Mansfield Ohio ANG

3. Information Requested: (Include Specification Section and/or Drawing Number and Page if inquiring about a discrepancy)

Detail 2 & 3 on A311 indicate new roofing to tie into the existing roofing. I do not see a specification for the roofing. Please advise as to what type of roofing is be used and what the existing roofing is.

Thank you

Attachments: Date Response Required:

By: Title:

Requestor's FAX Number: Requestor's Telephone Number:

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To: Date:

Response:

The existing roofing is 2 ply modified bitumen. New roof is also 2 ply modified bitumen to match. See attachments for existing roof data, specifications and drawing existing roof installation was performed in adherence to.

This information is a clarification of the solicitation/contract and does not change the contract terms or conditions.

This information is a proposed change to the solicitation/contract. An amendment will be issued.

Contracting Officer:

X

Project No.: PBXP002142 Contract No.: W91364-12-D-0001-0003 Replace Roof, ISO MX Hangar Mansfield Lahm ANG Base Mansfield, OH SSOE Project No: 014-01164-00

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SECTION 07547 – MODIFIED BITUMEN MEMBRANE ROOFING

PART 1 - GENERAL

1.01 RELATED DOCUMENTS

A. Drawings and general provisions, general provisions of the Contract and General and Supplementary Conditions apply to this section.

1.02 DESCRIPTION OF WORK

Extent of roofing work is indicated on the drawings and is hereby defined to include a membrane system intended to provide a water tight covering over the selected roof sections of the building. The specification provides for weather exposure as primary roofing to replace thermoplastic roof systems at Mansfield Air National Guard Base.

A. Types of roofing referenced in this section include:

1. Granule Surfaced Modified Bitumen Roof System.

B. Roof insulation related to the roofing is specified in this section.

C. Flashing, sheet metal and roof accessories related to this work are specified in other Division 7 sections.

1.03 QUALITY ASSURANCE

A. The primary roofing contractor cannot subcontract more than 10% of their contract amount without written approval of the Mansfield Air National Guard Bas. Mansfield Air National Guard Base reserves the right to accept or reject any and all or parts of any and all bids.

B. Manufacturer: Obtain primary modified bitumen roof system from a single manufacturer. To participate as a qualified company in production of Modified Bitumen materials, the company must have a minimum of ten (10) years experience as the sole manufacturer of the brand named. The manufacturer shall also furnish a notarized certification that he has been in business and had roofs installed for a minimum of ten years.

C. All related components of the modified bitumen roofing system shall be compatible and by the same manufacturer where possible.

D. Manufacturer shall provide qualified technical representatives as required for purposes of advising Installer of procedures and precautions for use of roofing materials.

E. Installer: A firm with not less than ten (10) years of successful experience in installation of modified bitumen roofing systems. The date of the Contractor's manufacturer applicator approval or license must be prior to the date of the bids.

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F. Experience shall relate to all related work and accessories associated with modified bitumen roofing including but not limited to vapor barriers, insulation, flashing and counter-flashing, expansion joints, joint sealers and required components of modified bitumen roofing.

G. Project Foreman's must be trained, licensed, and have a minimum of 10 years’ experience with the installation of the specified roof system. Contractor must be able to document the Project Foreman's experience with the modified bitumen roofing systems if required by the Consultant.

H. Pre-Roofing Conference: Prior to installation of roofing and associated work, a meeting shall be held at the site including the roofing contractor, system manufacturer, if necessary, Owner’s representative and other entities concerned with roofing performance, including (where applicable) Owner's insurer, test agencies, governing authorities, Consultant and Owner. A Memorandum Record of discussions shall be taken and copies of the pre-roofing conference memorandum shall be distributed to each participant. A notice shall be given to participants prior to convening the pre-roofing conference.

I. UL Listing: Provide labeled materials that have been tested and listed by UL for application indicated with a Class "A" rating.

1.04 SUBMITTALS

A. Product Data: Submit specifications, installation instructions and general recommendations from manufacturers of modified bitumen roofing system materials for types of roofing required.

Include any data requiring special application considerations by the manufacturer.

B. Shop Drawings: Submit complete shop drawings showing roof configuration and sheet layout, perimeter details and special conditions, along with other manufacturer's details relating to the project.

C. Material List: A complete listing of all products intended for use on the project shall be submitted along with the shop drawings.

D. Package and Labels: Deliver materials in sealed package, manufacturer's original labels thereon. Do not remove labels or open packages until the Consultant inspects and approves them. All materials must have MSDS and be labeled as "asbestos free".

E. Assignment: The Contractor shall not subcontract any phase of the work without previous approval from the Consultant. Subcontracted work without previous approval is subject to rejection by the Consultant.

F. Product Handling: Use all means necessary to protect all materials before, during and after installation. Storage of insulation and roofing materials at site shall be in trailers or buildings in a dry place. Storage outside on skids and covered with tarps will be permitted if securely tied at sides (no material visible) and sufficiently above ground to eliminate any water damage. No wet insulation will be installed under any conditions. NOTE: Poly wrap is not considered proper protection. A tarp must also be used to prevent condensation.

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G. All roofer's equipment shall be placed so that the building or premises will not be damaged. The hoist shall be substantial and arranged so as not to deface the building with drippings or scarring. The Contractor shall be responsible for cleaning the building walls. At no time shall any materials not contained by a chute or hydraulic dumpster be thrown from the roof.

H. Do not permit the roofing surface to be used for traffic. Use rubber- tired buggies for transporting heavy materials over insulated surfaces or plywood panels at certain conditions.

I. In the event of damage, immediately make all repairs and replacement necessary to the Consultant's approval and at no additional cost to the Owner. Contractors shall list or document any damage prior to the start of their work and file it with the Consultant.

1.05 JOB CONDITIONS

A. Weather: Proceed with roofing work when existing and forecasted weather conditions permit work to be performed in accordance with manufacturer's recommendations and warranty requirements.

B. No tear-off shall begin when the threat of rain is above 35% without approval from Consultant.

Re-roofing shall not take place when the average temperature for the day is to be below 32 degrees F without approval from the Consultant.

C. Wet Materials: Insulation and roofing materials that have become wet before or after installation shall be removed and replaced. Drying out of wet insulation or roofing felts will not be permitted or acceptable for installation.

D. Workers: All workers shall be thoroughly experienced in the particular class of work employed on this project and all materials shall be securely fastened in place in a watertight, neat and workmanlike manner. All work shall be done in accordance with these specifications and shall meet the approval in the field of the Owner's Representative and the Consultant. The Contractor's Representative or Job Superintendent shall have a complete copy of specifications and drawings on the job site at all times.

E. The Contractor shall plan and conduct the operations of the work so that each section started on one day is complete and thoroughly protected before the close of that day.

F. The Contractor must review the scope of work with the Consultant. Any incomplete areas left over 24 hours must have the Consultant's approval.

1.06 WRITTEN GUARANTEE

A. The modified bitumen material manufacturer shall furnish to the Owner a written 20-year “Total System” NDL (No Dollar Limit) warranty on the complete roof installation. The warranty shall be sent in triplicate to Owner’s Associate Consultant for review and filing. Said warranty shall begin when the project is completed and accepted by the Owner and Consultant.

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B. The Roofing Contractor shall furnish to the Owner an additional written 2-year workmanship guarantee on all work items not covered under Manufacturer's warranty. The guarantee shall be sent in triplicate to Owner’s Associate Consultant for review and filing. Said Guarantee shall begin when the project is completed and accepted by the Owner and Consultant.

C. The Guarantee shall cover, at no cost to the Owner, all labor and materials required to repair or replace roofing, flashing, sheet metal, coping and metal work against leaks or faulty workmanship. All costs for any of the above shall be absorbed by the Roofing Contractor primarily and materials manufacturer secondarily.

1.07 INSPECTION

A. During application of the materials, the Contractor shall have the manufacturer's representative accompanied by the Consultant on the job site for job meetings as required.

B. Upon Completion, a final inspection will be made by the Consultant, a representative of the Owner, the material representative and the Contractor. No final payment will be authorized for work done until such inspection has been made and all work is found to have been performed in accordance with the Specifications, manufacturer's requirements and to the satisfaction of the Consultant and Owner.

C. The Consultant must be notified of the final manufacturer's inspection and be present, or a letter of the results of the inspection must be issued by the manufacturer to the Consultant. Failure to notify the Consultant of the manufacturer's inspection could be cause to require re-inspection of the project.

PART 2 - PRODUCTS

2.01 MATERIALS

A. Provide products recommended by manufacturers to be fully compatible with the various components of the modified bitumen roof system.

B. General: Provide insulating materials to comply with requirements indicated for materials and referenced standards in sizes to fit indicated applications selected from manufacturer's standard thickness, widths and lengths.

C. Polyisocyanurate Board Roof Insulation: Rigid, cellular thermal insulation with polyisocyanurate closed-cell foam core and manufacturer's standard facing laminated to both sides; Insulation shall meet the requirements ASTM C1289, Type II, Class 2, UL Classified, FM Class 1 Approved, Grade 2 (20 psi).

D. Polyisocyanurate Board Roof Insulation: Must meet ASTM D3273 standards for mold resistance, double coated on both sides with non-organic facing material.

i. Base layer of 1.5” polyisocyanurate insulation system, maximum board size 4' x 4'.

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ii. Top layer is a multi-layer ¼” slope tapered system, minimum starting thickness ½”, maximum board size 4' x 4'; minimum average LTTR R-20, and 1/2" sloped tapered saddles as outlined on tapered insulation roof plan.

E. Cover Board:

a. ¼” Dens-Deck Prime to comply with ASTM C 1177. Also meets Factory Mutual 4450 criteria for Class 1 insulated steel roof decks. ASTM C 1177. Asphalt Primer: Equal to ASTM D-41-73. Maximum size 4' x 4'.

b. ¼” Securock to comply with ASTM C 1177. Also meets Factory Mutual 4450 criteria for Class 1 insulated steel roof decks. ASTM C 1177. Asphalt Primer: Equal to ASTM D-41-

73. Maximum size 4' x 4'.

F. Insulation attachment adhesive.

a. Roof system manufacturers low rise foam adhesive meeting requirements for the roof systems Total System Warranty.

G. Vapor Barrier

a. Firestone

i. Vapor Barrier - Base Sheet: SBS modified bitumen sheet, non-woven polyester mat, torch grade, minimum thickness 120 mils. (Poly-film bottom, Sanded Top) ASTM D 6164, Type II Grade S. (Torched Applied)

b. Johns Manville

i. Vapor Barrier – Base Sheet: SBS modified bitumen sheet, non-woven polyester mat, torch grade, minimum thickness 120 mils. (Poly-film bottom, Sanded Top) ASTM D 6164, Type II Grade S. (Torched Applied)

c. Soprema

i. Vapor Barrier - Base Sheet: SBS modified bitumen sheet, non-woven polyester mat, torch grade, minimum thickness 120 mils. (Poly-film bottom, Sanded Top) ASTM D 6164, Type II Grade S. (Torched Applied)

H. Liquid Flashing and Reinforcement

a. Roof System manufactured flashing:

i. Polyurethane/bitumen resin, single-component, moisture cured compound that utilizes low solvent technologies.

ii. Reinforcement - PolyFleece

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I. Electrical or Gas Line Supports:

a. Erico Caddy Pyramid Pipe & Equipment Supports

b. Caddy Pyramid ST Series

J. Roof Manufactured approved heavy duty mechanical fasteners #15 mechanical fasteners to steel decks: Roof manufacture's approved fasteners with corrosion resistance requirements set forth in Factory Mutual Specification #4470

K. Wood Fiber Cants to comply with FS LLl-I-535B, Class "C".

L. Membrane Adhesives to comply with ASTM D 4479.

M. Primer to comply with ASTM D 41.

N. Plastic Roof Cement: ASTM D-4586 Type 1 (Non-Asbestos)

O. Granule Surface: Color selected by the Owners representative.

P. Walkway Pads:

a. Firestone X-Tred Walkway Pad.

2.02 APPROVED MANUFACTURERS (Modified Bitumen Roof System)

A. Firestone (Bases of Design)

a. Field System

i. Base Sheet: SBS Poly Torch Base, SBS modified bitumen sheet, non-woven polyester mat and bi-directional glass scrim reinforcement, torch grade, minimum thickness 120 mils.

ii. Cap Sheet: SBS FR Torch, Granulated, SBS modified bitumen sheet, nonwoven polyester mat, torch grade, minimum thickness 160 mils.

b. Flashing System

i. Base Sheet: SBS Poly Torch Base, SBS modified bitumen sheet, non-woven polyester mat and bi-directional glass scrim reinforcement, torch grade, minimum thickness 120 mils.

ii. Cap Sheet: SBS FR Torch, Granulated, SBS modified bitumen sheet, nonwoven polyester mat, torch grade, minimum thickness 160 mils.

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B. Johns Manville

a. Field System

i. Base Sheet: DynaWeld 180 S Base, SBS modified bitumen sheet, non-woven polyester mat and bi-directional glass scrim reinforcement, torch grade, minimum thickness 120 mils.

ii. Cap Sheet: DynaWeld Cap 180 FR Granulated, SBS modified bitumen sheet, nonwoven polyester mat, torch grade, minimum thickness 160 mils.

b. Flashing Systems

i. Base Sheet: DynaWeld 180 S Base, SBS modified bitumen sheet, non-woven polyester mat and bi-directional glass scrim reinforcement, torch grade, minimum thickness 120 mils.

ii. Cap Sheet: DynaWeld Cap 180 FR Granulated, SBS modified bitumen sheet, nonwoven polyester mat, torch grade, minimum thickness 160 mils.

C. Soprema

a. Field System

i. Base Sheet: Sopralene Flam 180, SBS modified bitumen sheet, non-woven polyester mat, torch grade, minimum thickness 120 mils.

ii. Cap Sheet: Sopralene Flam 180 FR Granulated, SBS modified bitumen sheet, nonwoven polyester mat, torch grade, minimum thickness 160 mils.

b. Flashing System

i. Base Sheet: Sopralene Flam 180, SBS modified bitumen sheet, non-woven polyester mat, torch grade, minimum thickness 120 mils.

ii. Cap Sheet: Cap Sheet: Sopralene Flam 180 FR Granulated, SBS modified bitumen sheet, nonwoven polyester mat, torch grade, minimum thickness 160 mils.

PART 3 - EXECUTION

3.01 SURFACE PREPARATION

A. All staging, scaffolding and erection necessary to complete specified Roof Renovation work.

Contractor shall properly barricade staging work areas with temporary fencing and shall protect building materials from damage at all times. Contractor shall provide a demolition plan, to be approved by Consultant, prior to work start up.

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B. Contractor must keep the grounds clean. Any damage to the green belt area or surrounding pavement shall be the sole responsibility of the Contractor. Contractor is responsible for keeping the roof watertight throughout the construction process. Special care shall be taken during the demolition phase to minimize the level of debris accumulation.

C. Mechanical fasteners were used to attach the existing insulation system to the existing concrete decks. Roofing contractor should carefully remove existing insulation so not to damage the existing concrete decking. The roofing contractor is fully responsible for repairing any damage to the existing decking at these locations.

D. It is mandatory that the work be done in a manner that no weather element (rain, wind, dirt, snow, etc.) penetrates through the roof assembly into the enclosed building space. Special care is to be taken to limit the work of a day so that such weather protection occurs. A watertight tie on is required at the end of each workday.

1. At the end of each work day or when precipitation is threatening the newly installed roof system. Utilize mastic as necessary to furnish a complete watertight night seal. It is mandatory that the watertight night seal is installed to both the concrete deck and the thermoplastic roof systems.

3.02 VAPOR BARRIER (Poly-film bottom, Sanded Top)

A. The vapor barrier installation will be utilized as a temporary roof and staging area during the roof replacement of the barrel roof system. The roof contractor must maintain the vapor barrier to include all necessary repairs to maintain a watertight condition. The vapor barrier requires an inspection with the consultant prior to the installation of the permanent roof system.

B. Modified Bitumen SBS 120 mils Polyester reinforced membrane.

1. Primer, at an average rate of 1 to 1.5 gallons per 100 sq. ft., existing concrete deck with manufacture’s approved asphalt primer.

2. Unroll membrane and allow membrane to relax a minimum of 30 minutes prior to installation.

3. Set the field base modified bitumen sheet at right angles to the deck slope. Torch welded, free of voids "holidays". A minimum of 6" side laps and 12" end laps shall be maintained with a minimum visible (1/16" to 1/2") hot asphalt lap bleed out. The field sheet shall be fully bonded to the concrete deck, without wrinkles, creases or fish mouths. Broom ply in as required assuring complete adhesion. All exposed modified bitumen membrane edges shall be sealed or re-welded.

4. Field membrane is to be turned up all perimeters and protrusions a minimum of 4” and sealed. All T joints of the field membrane are to be reinforced with a three course liquid flashing and fabric.

5. Perimeters, protrusions and splice cuts in the membrane are to be counter flashed with three course mastic and fabric.

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3.03 INSULATION INSTALLATION

A. Install 1.5” polyisocyanurate insulation system in insulation adhesive. Insulation side and end joints should be staggered and offset from the joints in the underlying layers. Check all boards to guarantee attachment. Cut boards as required allowing insulation to lie even and tight.

Maximum board size 4' x 4'.

Adhesive application:

a. Field of the roof system install insulation adhesive in ribbons of 8” o.c.

b. Six Foot Wide (6’ wide) perimeters install insulation adhesive in ribbons of 6” o.c.

c. Six Foot Wide (6’ wide) corners install insulation adhesive in ribbons of 4” o.c.

d. Use a weighted roller over the newly installed insulation to ensure 100% contact of the insulation board to the insulation adhesive.

e. Install temporary weight to newly installed insulation boards in insulation adhesive using base plates of Garlocks Railguard 200 Roof Safety Railing System or equal in weight and size.

Minimum 5 base plates per 4’ x 4’ boards of insulation. Leave temporary weight in place for a minimum of ten minutes. Walk in all insulation boards. Check all boards to guarantee adhesion. Cut boards as required allowing insulation to lie even and tight.

Contractor shall replace all insulation and roofing at their own cost if adhesion fails during life of warranty.

C. Install ¼” slope tapered polyisocyanurate insulation system and ½” sloped tapered insulation saddles as outlined on roof plan in insulation adhesive. Insulation side and end joints should be staggered and offset from the joints in the underlying layers. Check all boards to guarantee attachment. Cut boards as required allowing insulation to lie even and tight.

Adhesive application:

a. Field of the roof system install insulation adhesive in ribbons of 12” o.c.

b. Ten Foot Wide (10’ wide) perimeters install insulation adhesive in ribbons of 6” o.c.

c. Ten Foot Wide corners install insulation adhesive in ribbons of 4” o.c.

d. Use a weighted roller over the newly installed insulation to ensure 100% contact of the insulation board to the insulation adhesive.

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e. Install temporary weight to newly installed insulation boards in insulation adhesive using base plates of

Garlocks Railguard 200 Roof Safety Railing System or equal in weight and size.

Minimum 5 base plates per 4’ x 4’ boards of insulation. Leave temporary weight in place for a minimum of ten minutes. Walk in all insulation boards. Check all boards to guarantee adhesion. Cut boards as required allowing insulation to lie even and tight.

Contractor shall replace all insulation and roofing at their own cost if adhesion fails during life of warranty.

D. Install Cover Board over polyisocyanurate insulation systems in insulation adhesive.

Insulation side and end joints should be staggered and vertically staggered and offset from the joints in the underlying layers. Check all boards to guarantee attachment. Cut boards as required allowing insulation to lie even and tight. Maximum board size 4' x 4'.

Adhesive application:

a. Field of the roof system install insulation adhesive in ribbons of 8” o.c.

b. Six Foot Wide (6’ wide) perimeters install insulation adhesive in ribbons of 6” o.c.

c. Six Foot Wide (6’ wide) corners install insulation adhesive in ribbons of 4” o.c.

d. Use a weighted roller over the newly installed insulation to ensure 100% contact of the insulation board to the insulation adhesive.

e. Install temporary weight to newly installed insulation boards in insulation adhesive using base plates of Garlocks Railguard 200 Roof Safety Railing System or equal in weight and size. Minimum 5 base plates per 4’ x 4’ boards of insulation. Leave temporary weight in place for a minimum of ten minutes. Walk in all insulation boards. Check all boards to guarantee adhesion. Cut boards as required allowing insulation to lie even and tight. Contractor shall replace all insulation and roofing at their own cost if adhesion fails during life of warranty.

3.04 MEMBRANE APPLICATION:

A. Set the field base modified bitumen sheet at right angles to the deck slope. Torch welded, free of voids "holidays". A minimum of 3" side laps and 6" end laps shall be maintained with a minimum visible (1/16" to 1/2") hot asphalt lap bleed out. The field sheet shall be fully bonded to the Dens Deck prime, without wrinkles, creases or fish mouths. Broom ply in as required assuring complete adhesion. All exposed modified bitumen membrane edges shall be sealed or re-welded.

B. Set the granulated modified bitumen top sheet at right angles to the deck slope with lap seams staggered from the modified base system, torch welded, free of voids "holidays". A minimum of 3" side laps and 6" end laps shall be maintained with a minimum visible (1/16" to 1/2") hot asphalt lap bleed out. The top sheet shall be fully bonded to the modified base sheet, without wrinkles, creases or fish mouths. Broom ply in as required assuring complete adhesion. All exposed modified bitumen membrane edges shall be sealed or re-welded. All

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exposed modified bitumen bleed out shall be covered with granules. Immediately install granules into the hot bitumen bleed out.

3.05 FLASHING

A. Prime all metal, concrete and masonry items prior to flashing membrane installation with a systems manufactures approved primer at the rate of one gallon per 100 sq. ft. Contractor must use primer. Roofing installed without proper substrate priming may result in the complete removal and replacement of improperly prepared areas.

B. Wall and Curb Flashing: After base plies and top ply have been properly terminated and sealed above cant strip, using self adhering membrane apply a two ply modified bitumen mineral surface SBS flashing membrane up the vertical surface and extend a minimum of 4" base ply and 6" top ply onto the top ply field sheet. Flashing side laps shall be a minimum of 3".

Additional granules shall be applied to maintain a uniform mineral flashing appearance.

Excessive adhesive bleed out will not be tolerated.

1. Secure top of flashing membrane with aluminum termination bar with coated heavy-duty masonry fastener or lead anchor fastener 6" on center, for masonry substrates.

2. Cover termination bar with a three course 6” asphalt fabric and mastic.

3. Install .050 aluminum reglet mounted, counter flashing metal and sealant once term bar is in place. Secure counter flashing metal with lead anchor fasteners 8" on center.

4. Extend base flashing up walls or parapets a minimum of 8 inches (200 mm) above roof membrane and 4 inches (100 mm) onto field of roof membrane.

C. Pipe Penetration and Drain Flashing: Set new 4 lb. Pipe boot or 30" square lead sheet in a bed of mastic, over modified bitumen base sheet. Over the primed lead strip in with an additional layer of modified bitumen base sheet lapping onto base sheet by a minimum of 6”. Install modified bitumen granulated cap sheet.

3.06 GUTTER SYSTEM

A. All metal flashings shall be fastened into solid wood nailers with two rows of post galvanized flat head annular ring nails, 4 inches (100 mm) on center staggered. Fasteners shall penetrate the nailer a minimum of 1 inch (25 mm).

B. Metal shall be installed to provide adequate resistance to bending and allow for normal thermal expansion and contraction.

C. .050 aluminum flange back gutter system. Position the membrane over the roof edge and hot air weld all membrane seams making sure there are no voids in welds.

D. ¼” x 1-1/2” aluminum bracket sized to fit gutter 48” o.c. fastened with 5/8” stainless steel fasteners. (Bracket must be Kynar Coated to match color the gutter system) Bracket fastened through wood blocking with 5/8” stainless steel masonry expansion fasteners or directly into masonry.

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E. Interior gutter bracket 18” oc. – 1/8” x 1” aluminum fastened with 3/8” stainless steel bolts, washers, and nuts.

F. 3” x 4” .050 aluminum downspouts connected to underground receptacles.

G. 1.5” wide .050 aluminum downspout brackets 4’ oc.

H. Gutter expansion joint every 40’ oc.

3.07 WALKWAY PADS

A. Over the completed granular modified bitumen roof system, install two row of X-Tred walkway pad along the downward slope of the barrel roof system.

3.08 SURFACING

A. Contractor at the completion of the roofing system will request an inspection of the roofing and flashing installation by the consultant. Contractor shall re-surface any smears, scuffs or blemishes in the granulated surface.

3.09 DAILY SEAL

A. Ensure that water does not flow beneath or through any completed sections of the modified bitumen membrane system.

B. At the end of each work day or when precipitation is threatening the newly installed roof system.

Utilize mastic as necessary to furnish a complete watertight night seal. It is mandatory that the watertight night seal is installed to both the existing concrete deck and thermoplastic roof systems.

C. Completely remove night tie-ons prior to commencing new work.

D. Any areas exposed to water or moisture shall be torn out and replaced to the satisfaction of the Consultant.

E. Special care and effort must be taken to insure that the new installation does not leak.

Temporary seals must be carefully checked every day.

3.10 CAULKING

A. Caulking for all areas not directly related to the membrane system shall be a premium grade elastomeric sealant or approved equal. Approved materials are Sikaflex IA or Sonolastic NPI.

(See Section 07900 - Sealants)

3.11 WEATHER CONDITIONS AND CAUTIONS

A. Proceed with roofing work only when weather conditions are in compliance with the manufacturer's recommended limitations. The Roofing Contractor shall have on site covering materials and shall take all necessary precautions to protect the Owner's property.

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B. Do not allow waste products of petroleum, grease, oil and solvents to come in contact with the roofing system.

C. Contractor's personnel should employ proper safety procedures when dealing with hot bitumen materials.

D. Cold temperatures will not restrict installation. Follow specified precautions for storage or materials and expose only enough cement and adhesive to be use within a four (4) hour period.

No work shall commence when the average daily temperature is below 32 degrees F without the Consultant's approval.

3.12 PROTECTION AND CLEAN UP

A. It shall be the Contractor's responsibility to protect all property and surfaces from drippings by means of masking, shielding or screening. Any drippings adhering to surfaces not intended to receive materials, the Contractor to the satisfaction of the Owner shall remove including automobiles.

B. During the course of the job, the Contractor shall maintain good housekeeping practices. Debris shall not be allowed to accumulate, but will be removed from the site on a daily basis. At the completion of the job, all areas shall be left clean to the satisfaction of the Owner's representative.

3.13 INTENT OF SPECIFICATIONS

A. It is the intent of these specifications to call out the performance criteria desired for the roof membrane system and insulation on this project. It is the Contractor's responsibility to make all measurements and supply materials for all areas on the project as specified, including all changes made in writing prior to the bid.

B. The Contractor shall also be responsible for providing approved drawings and details meeting the manufacturer's requirements so that a warranty will be issued upon completion. This specification shall cover all roof areas and related items necessary to complete the roofing project and must accommodate any current detail changes or deviations by the manufacturer necessary to insure that the Warranty will be issued as specified upon completion.

END OF SECTION

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FLASHING AND SHEET METAL 076200-1

SECTION 076200 - FLASHING AND SHEET METAL

PART 1 - GENERAL

1.01 DESCRIPTION OF WORK

A. Extent of each type of flashing and sheet metal work is indicated on drawings and by provisions of this Section.

B. Types of work specified in the Section include the following:

1. Metal Bar Terminations and miscellaneous sheet metal accessories.

1. .050 aluminum gutter system Kynar finish pop riveted in sealant seams.

2. .032 Downspouts including factory Kynar 500 finished.

3. .24 gauge. Shop formed TPO coated sheet metal.

1.02 ROOF ACCESSORIES

A. System accessories installed integral with the waterproofing membrane are specified in waterproofing system sections as waterproofing work or in other Division 7 sections.

1.03 SUBMITTALS

A. Product Data: Flashing, Sheet Metal, and Accessories: Submit manufacturer’s product data, installation instructions, and general recommendations for each specified sheet material and fabricated product.

B. Samples: Flashing, Sheet Metals, and Accessories: Submit 8” square samples of specified sheet materials to be exposed as finished surfaces. Submit 12” long completely finished units of specified factory-fabricated products exposed as finished work.

C. Shop Drawings: Flashing, Sheet Metal, and Accessories: Shop drawings are required to show layout, joining profiles, and anchorage’s of fabricated work including major counter-flashings, trim/fascia units, gutters, downspout, and scuppers. New expansion joints in flashing and sheet metal shall align with existing expansion joints and control joints in adjacent construction. Layouts at 1/4” scale, details at 3” scale.

D. Contractor must provide a complete sheet metal shop drawing prior to fabrication and installation, for approval by Consultant.

E. Assignment: The Contractor shall not subcontract any part or phase of the work without prior approval by the Consultant and the Owner.

1.04 JOB CONDITIONS

A. Coordinate work of this section with interfacing and adjoining work for proper sequencing of each installation. Ensure best possible weather resistance, durability of the work, and protection of materials and finishes.

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FLASHING AND SHEET METAL 076200-2

PART 2 - PRODUCTS

2.01 PRODUCTS

A. Fasteners: Same metal as flashing/sheet metal or other non-corrosive metal as recommended by the sheet metal manufacturer. Match finish of exposed heads to material being fastened. All materials must be of the same metal as the flashing. No dissimilar materials will be accepted. All fasteners must be of the same material as the metal trim or gravel stop.

B. Mastic Sealant: Polyisobutylene, non-hardening, non-skinning, non-drying, non-migrating sealant.

C. Epoxy Seam Sealer: Two-part non-corrosive metal seam cementing compound recommended by metal manufacturer for exterior/interior immobile joints, including riveted joints.

D. Adhesives: Type recommended by flashing sheet manufacturer for waterproof/weather-resistant seaming and adhesive application of flashing sheet.

E. Metal Accessories: Provide sheet metal clips, straps, anchoring devices, and similar accessory units as required for installation of work matching or compatible with material being installed, non-corrosive, with size and gauge required for performance.

F. Roofing Cement: ASTM D-2822, asphaltic.

G. Fascia System

1. .050 aluminum fascia extender system Kynar finish.

2. 2 – piece fascia system required at all window locations.

3. Fascia system must meet requirements of ANSI/SPRI “Wind Design Standard” ES-1.

4. 20-year fascia warranty in material and workmanship and 20 year Kynar 500 finish warranty.

H. Gutter System

2. .050 aluminum gutter system Kynar finish pop riveted, minimum double rows, sealant seams.

3. Provide expansion joints every 40 lin. Ft.

4. Kynar coated gutter bracket required.

5. Dimensions are outlined on detail sheet. Contractor must provide a complete sheet metal shop drawing prior to fabrication and installation, for approval by Consultant.

6. 5 year gutter warranty on materials and workmanship and 20 year Kynar 500 finish warranty.

Replace Roof, ISO MX Hangar Mansfield Lahm ANG Base

FLASHING AND SHEET METAL 076200-3

I. Color

1. All exposed metal shall be factory finished with a 2-coat polyvinylidene flouride, 70 % Kynar 500 resin content finish accompanied with a 20 year finish warranty. Color shall be a custom color matching the existing color and finish.

2. Mill finished aluminum.

J. Miscellaneous

1. Bituminous paint: Fed. Spec. TT-C-494B, Type II.

2. Mastic: asphalt base mixture complying with ASTM D4586, Type I.

3. Metal joint sealant: a non-drying, non-skinning, non-oxidizing, butyl sealant complying with AAMA Specification 808.3, such as Protective Treatments, Inc. “PTI 707".

4. Expansion shields: Fed. Spec. FF-S-325, machine bolt type, tubular type, or self-drilling tubular type.

2.02 FABRICATED UNITS

A. General Metal Fabrication: Shop fabricate work to greatest extent possible. Comply with details shown and with applicable requirements of SMACNA Architectural Sheet Metal Manual and other recognized industry practices. Fabricate for waterproof and weather-resistant performance with expansion provisions for running work sufficient to permanently prevent leakage, damage, or deterioration of work.

B. Form work to fit substrates. Comply with material manufacturer’s instructions and recommendations for forming material. Form exposed sheet metal work without excessive oil-canning, buckling, and tool marks, true to line, and levels indicated with exposed edges folded back to form hems.

2.03 SEAMS

A. Fabricate immobile seams in sheet metal with flat-lock seams. For metal other than aluminum, trim edges to be seamed, for seams, and solder. Form aluminum seams with epoxy seam sealer, rivet joints for additional strength where required.

2.04 EXPANSION PROVISIONS

A. Where lapped or bayonet-type expansion provisions in work cannot be used or would not be sufficiently water-weatherproof, form expansion joints of intermeshing-hooked flanges not less than 1” deep and filled with mastic sealant (concealed within joints). Alignment of joints shall coincide with control joints in adjacent construction.

2.05 SEALANT JOINTS

A. Where movable, non-expansion type joints are indicated or required for proper performance of work, form metal to provide for proper installation of elastomeric sealant in compliance with SMACNA standards.

Replace Roof, ISO MX Hangar Mansfield Lahm ANG Base

FLASHING AND SHEET METAL 076200-4

2.06 SEPARATIONS

A. Provide for separation of metal from incompatible metal or corrosive substrates by coating concealed surfaces at locations of contact with bituminous coating or other permanent separation as recommended by the manufacturer/fabricator.

PART 3 – EXECUTION

3.01 GENERAL

A. Except as otherwise indicated, comply with manufacturer’s installation instructions and recommendations and with SMACNA Architectural Sheet Metal Manual. Anchor units of work securely in place by methods indicated, providing for thermal expansion of metal units;

conceal fasteners where possible, and set units true to line and level as indicated. Install work with laps, joints, and seams that will be permanently waterproof and weather tight.

3.02 CLEANING AND PROTECTION

A. Clean exposed metal surfaces, removing substances that might cause corrosion of metal or deterioration of finishes.

B. Protection: Installer shall advise Contractor of required procedures for surveillance and protection of flashings and sheet metal work done during construction to ensure that work will be without damage or deterioration other than natural weathering at the time of substantial completion.

3.03 SLIP METAL

A. Fabricate counter flashing in 10 length of specified sheet metal make up.

B. Provide new 24 ga. Galvanized factory Kynar 500 Finished Slip Metal Counter-flashing at existing curbs.

3.04 PITCH POCKETS

A. TPO pre-fabricated pitch pockets.

3.05 FASCIA SYSTEM

A. 24 ga. TPO coated metal shop fabricated to meet angle requirements. Roof membrane shall be heat welded to the TPO coated metal.

B. Follow manufacturer’s application instructions and provide manufacturer’s warranties.

Replace Roof, ISO MX Hangar Mansfield Lahm ANG Base

FLASHING AND SHEET METAL 076200-5

3.06 GUTTER SYSTEM

A. Flange back .050 aluminum gutter system Kynar finish, double rows, pop riveted in sealant seams

B. ¼” x 1-1/2” aluminum bracket sized to fit gutter 48” o.c. fastened with 5/8” stainless steel fasteners. (Brackets must be Kynar Coated to match the color of the gutter system)

C. Gutter system requires 1” expansion joint every 40 lin. Ft.

D. Includes installation of .032 aluminum 3” x 4” downspouts with heavy duty brackets.

3.06 BAR TERMINATION

A. Heavy-weight Aluminum Bar, pre-punched and fastened one every 8”.

END OF SECTION

Replace Roof, ISO MX Hangar Mansfield Lahm ANG Base

FLASHING AND SHEET METAL 076200-6

THIS PAGE INTENTIONALLY LEFT BLANK

Replace Roof, ISO MX Hangar Mansfield Lahm ANG Base Mansfield, OH SSOE Project No. 014-01164-00

Type B-3 Final February 17, 2015

DRAWINGS

A120 120B

A

0D

A120 120B

A120 120A

A

0A

A120 120A

SIM. SIM.

A

120B

A

0C

A

0C

A

120B

A120

120DA120

120D

A120 120K

A120 120K

EXISTING

CONCRETE

VAPOR

BARRIER

1/4" SLOPE TAPERED

INSULATION SYSTEM

AND INSULATION

ADHESIVE

COVERBOARD AND

INSULATION ADHESIVE

2 PLY MODIFIED BITUMEN

ROOF SYSTEM

P.T. WOOD NAILER TO BE

EQUAL THICKNESS OF

INSULATION SYSTEM

2 - PIECE MANUFACTURED

FASCIA SYSTEM

0.050 ALUMINUM FASCIA

EXTENDER WITH

CONTINUOUS CLEAT

VERTICAL P.T.

WOOD NAILER

M

IN

/2

MODIFIED BITUMEN SELF

ADHERING MEMBRANE

EXISTING

CONCRETE

VAPOR

BARRIER

SEALANT

HEAVY DUTY DOWNSPOUT

BRACKET

3" x 4" ALUMINUM

DOWNSPOUT

GUTTER EXPANSION

JOINTS 40' O.C.

P.T. WOOD NAILER TO BE

EQUAL THICKNESS OF

INSULATION BASE LAYER

MODIFIED BITUMEN

SELF ADHERING

MEMBRANE

2 PLY MODIFIED BITUMEN

ROOF SYSTEM

1/4" SLOPE TAPERED

INSULATION SYSTEM

AND INSULATION

ADHESIVE

COVERBOARD AND

INSULATION ADHESIVE

.050 ALUMINUM

FLANGE BACK

GUTTER

3/8" STAINLESS STEEL

BOLT AND NUT

1/4" x 1 1/2" STEEL SUPPORT

SIZED TO FIT GUTTER 36"

O.C. KYNAR PAINTED TO

MATCH COLOR OF KYNAR

ON .050 ALUMINUM GUTTER

0.050 ALUMINUM FASCIA

EXTENDER WITH

CONTINUOUS CLEAT

M

IN

/2

VERTICAL P.T. WOOD

NAILER

EXISTING

WALL

9"

EXISTING SIDING

EXISTING SILL

TERMINATION

FLASHING

.050 ALUMINUM SHEET

METAL MECHANICALLY

FASTENED 6" OC

3 COURSE FABRIC AND

CEMENT OVER TERMINATION

BAR FASTENED 6" OC

2 PLY FLASHING SYSTEM

2 PLY MODIFIED BITUMEN

ROOF SYSTEM

COVERBOARD AND

INSULATION ADHESIVE

1/4" SLOPE TAPERED

INSULATION SYSTEM

AND INSULATION

ADHESIVE

CONCRETEVAPOR

BARRIER

EXISTING WALL

4 COURSE LIQUID

FLASHING SYSTEM

2 PLY MODIFIED

BITUMEN ROOF

SYSTEM

COVERBOARD

EXISTING

CONCRETE

VAPOR

BARRIER

INSULATION

SYSTEM

3 COURSE FABRIC

AND CEMENT

EXISTING

PENETRATION

EXISTING

METAL

DECKING

EXISTING FIBERGLASS

INSULATION

VERIFY EXISTING

INSULATION FASTENING

PATTERN IF REQUIRED

ADD FASTENERS TO

ACHIEVE 1 FASTENER

EVERY 4 SQ. FT

MECHANICALLY ATTACHED

ROOF SYSTEM

SHEET METAL EXTENDED

WITH CONTINUOUS CLEAT

COATED METAL FASCIA TO

ADHERE STRIPPING PLY

STRIPPING PLY

CUT BACK EXISTING

INSULATION AND INSTALL 2"

P.T. WOOD NAILERS TOGGLE

BOLTED THROUGH EXISTING

METAL DECKING

EXISTING

WALL

EXISTING SIDING.050 ALUMINUM SHEET

METAL MECHANICALLY

FASTENED 6" OC

METAL

DECKING

EXISTING FIBERGLASS

INSULATION

VERIFY EXISTING

INSULATION FASTENING

PATTERN IF REQUIRED

ADD FASTENERS TO

ACHIEVE 1 FASTENER

EVERY 4 SQ. FT

MECHANICALLY ATTACHED

ROOF SYSTEM

FULLY ADHERED FLASHING

MEMBRANE

TERMINATION BAR OVER

MEMBRANE OVER MASTIC

FASTENED 6" OC

PERIMETER MEMBRANE

FASTENER

EXISTING WALL

EXISTING

CONCRETE DECK

VAPOR

BARRIER

1/4" SLOPE TAPERED

INSULATION SYSTEM

AND INSULATION

ADHESIVE

COVERBOARD AND

INSULATION ADHESIVE

2 PLY MODIFIED BITUMEN

ROOF SYSTEM

2 PLY MODIFIED BITUMEN

FLASHING

.050 ALUMINUM

TRANSITION METAL

2 ROWS COVER TAPE

MECHANICALLY ATTACHED

PVC ROOF SYSTEM

ICE/SNOW RETENTION

SYSTEM

EXISTING 2" FIBERGLASS

INSULATION

EXISTING CORRUGATED

METAL DECK

NAILER EQUALING THICKNESS

OF FIBERGLASS INSULATION

1/2" COVERBOARD

MECHANICALLY

FASTENED TO

METAL DECKING

3 COURSE FABRIC

AND CEMENT OVER

TERMINATION BAR

FASTENED 6" OC.

SLOPE

BASE PLATE SET OVER

FLASHING MEMBRANE AND

COMPRESSION SEALANT AND

MECHANICALLY FASTENED

EXISTING FIBERGLASS

INSULATION FULLY ADHERED FLASHING

MEMBRANE

MECHANICALLY ATTACHED

ROOF SYSTEM

UNDER DECK PLATE

STAINLESS STEEL BOLTS,

NUTS, AND WASHERS

EXISTING METAL DECKING

VERIFY EXISTING

INSULATION FASTENING

PATTERN IF REQUIRED ADD

FASTENERS TO ACHIEVE 1

FASTENER EVERY 4 SQ. FT

ICE/SNOW BASE PLATE LAYOUT

APPROXIMATELY 24" OC

12"

" O

C

" O

C

" O

C

FULL SHEETS

HALF SHEETS

EXISTING METAL

DECKING

EXISTING FIBERGLASS

INSULATION

MECHANICALLY

ATTACHED ROOF

SYSTEM

REMOVE EXISTING

FLASHING, MATERIALS,

RUST AND DIRT

FIBERGLASS

INSULATION FILLER

POURABLE SEALER

TPO PENETRATION

POCKET KIT

1" MINIMUM DISTANCE

BETWEEN PENETRATION

AND PITCH POCKET

ROOF PLAN

1/16" = 1'-0"

GENERAL NOTES:

1. LOW SLOPE ROOF TO BE A 1/4" PER FOOT SLOPE MINIMUM.

2. TAPERED INSULATION SHOWN SHADED.

3. ALL PENETRATIONS SHOWN AND NOT SHOWN ON THIS DRAWING TO

BE FLASHED/SEALED.

4. SEE THIS DRAWING FOR TYPICAL ROOFING DETAILS.

5. DISCONNECT AND RECONNECT LIGHTNING CABLE SYSTEM AS REQUIRED TO

INSTALL NEW ROOF SYSTEM.

6. PROVIDE SPLASH BLOCKS AT ALL DOWNSPOUTS THAT TERMINATE AT ROOF.

7. ARROWS INDICATE DIRECTION OF SLOPE FOR POSITIVE DRAINAGE TO GUTTERS.

8. PROVIDE TAPERED INSULATION SADDLES AT ALL ROOF MOUNTED EQUIPMENT

TO PROMOTE POSITIVE DRAINAGE AROUND THE EQUIPMENT.

9. NEW DOWNSPOUTS AROUND PERIMETER OF BUILDING TO BE INSTALLED IN

EXISTING LOCATIONS TO TIE INTO EXISTING UNDERGROUND STORM SYSTEM.

10. ROOFTOP ANCHOR RAIL SYSTEM TO MEET OSHA SAFETY REQUIREMENTS AND

THE FOLLOWING CRITERIA: 1,350 LB FALLOUT SUPPORT, BE DESIGNED WITH A

SAFETY FACTOR OF 2 AND OR DETACHMENT ANCHOR WORKING LOAD OF

1,250 LBS. DESIGN TO ENSURE THAT FRACTURE AND/OR DETACHMENT DOES

NOT OCCUR WITH A 5000 LBS ULTIMATE LOAD. INLINE ENERGY ABSORBERS TO

LIMIT THE FALL ARREST TENSION IN THE CABLE TO 1,350 LBS AND ULTIMATE

LOAD OF 3,600 LBS AGAINST FRACTURE OR DETACHMENT. FINAL LAYOUT BY

ROOFTOP ANCHOR SUPPLIER.

11. ADD DOUBLE ROW OF ICE/SNOW RETENTION AS ADDITIVE BID OPTION - TYPICAL

AT TWO LOCATIONS. REFER TO ROOF PLAN FOR GENERAL LOCATIONS.

12. PROVIDE 20 FORCE MANAGEMENT ANCHOR LOCATIONS AS OPTION - REFER TO

ROOF PLAN FOR GENERAL LOCATION. FINAL LOCATIONS TO BE DETERMINED BY

MANUFACTURER DRAWINGS.

A120 120B

ROOF PLAN

AND DETAILS

A120

1 2-17-15 TYPE B-3 FINAL

SLOPESLOPESLOPE

SLO

PE

DS

SLO

PE

SLO

PE

GUTTER DETAIL

1 1/2" = 1' - 0"

COUNTER FLASHING DETAIL

1 1/2" = 1' - 0"

MASONRY FASCIA DETAIL

1 1/2" = 1' - 0"

TYPICAL ICE RAIL DETAIL

1 1/2" = 1' - 0"

TYPICAL ICE RAIL BASE LAYOUT

NOT TO SCALE

TYPICAL SEAM JOINT DETAIL

NOT TO SCALE

TYPICAL EQUIPMENT LEG SUPPORT

1 1/2" = 1' - 0"

SLOPE

CONSULTANTS:

DATE:

SEAL ID:

54321

A

B

C

D

1 2 3 4 5

D

C

B

A

DRAWING TITLE:

CHECKED:

DESIGNED:

PROJECT MANAGER:

PROJECT NO:

DRAWING NO:

NO. DATE SUBJECT

REVISION OR ISSUE

CLIENT PROJECT NO:

SEAL ON THIS DOCUMENT AUTHORIZED BY:

PROJECT INFORMATION:

CLIENT INFORMATION:

014-01164-00

L. NIJAKOWSKI

AIR NATIONAL

GUARD

MANSFIELD, OH

C d g n \d

\A

.d w g

D A

T E

F e b

:4 a m

U

S E

R

SSOE, Inc.

Toledo, OH 43604 T 419-255-3830

1001 Madison Ave.

2' -0

0"

0"

0"

0"

0"

0"

0"

0"

0"

0" 2'

-0

71'-0" 82'-0"

4' -0

0"

0"

0"

0"

0"

0"

0"

0"

0"

0"

SLO

PE

22'-0"

DOUBLE ROW OF ICE/SNOW

RETENTION AT BOTTOM OF

STEEPER PORTION BARREL

ROOF

DOUBLE ROW OF

ICE/SNOW RETENTION

AT MID POINT OF

BARREL ROOF

DOUBLE ROW OF ICE/SNOW

RETENTION AT BOTTOM OF

STEEPER PORTION BARREL

ROOF

8'

-0

192'-0"

8'

-0

24'-0" 144'-0" 24'-0"

FALL PROTECTION

RAIL SYSTEM NEAR

TOP OF BARREL

ROOF - REFER TO

NOTE 10

NEW MECHANICALLY ATTACHED

THERMOPLASTIC BARREL ROOF

SYSTEM ON EXISTING 2"

FIBERGLASS INSULATION AND

CORRUGATED METAL DECK

2 PLY MODIFIED BITUMEN ROOF

SYSTEM ON COVERBOARD IN

INSULATION ADHESIVE ON 1/4"

SLOPED TAPERED INSULATION

SYSTEM IN INSULATION SYSTEM ON

VAPOR BARRIER ON EXISTING

CONCRETE DECK

2 PLY MODIFIED BITUMEN ROOF

SYSTEM ON COVERBOARD IN

INSULATION ADHESIVE ON 1/4"

SLOPED TAPERED INSULATION

SYSTEM IN INSULATION SYSTEM ON

VAPOR BARRIER ON EXISTING

CONCRETE DECK

0"

2' -6

6"

EXISTING STEEL FRAMING

SUPPORT STRUCTURE

TYPICAL OF 4

EXISTING ROOF

PENETRATION

EXISTING ROOF

PENETRATION

EXISTING ROOF

PENETRATION

EXISTING ROOF

PENETRATION

NEW MECHANICALLY ATTACHED

THERMOPLASTIC BARREL ROOF

SYSTEM ON EXISTING 2"

FIBERGLASS INSULATION AND

CORRUGATED METAL DECK

2 PLY MODIFIED BITUMEN ROOF

SYSTEM ON COVERBOARD IN

INSULATION ADHESIVE ON 1/4"

SLOPED TAPERED INSULATION

SYSTEM IN INSULATION SYSTEM ON

VAPOR BARRIER ON EXISTING

CONCRETE DECK

DS

DS

DS

DS

DS

DS

DS

DS

DS

DS

DS

DS DS DS

DS

DS

DS

DS

DS

DS

DS

DS

DS

DS

DS

BARREL ROOF FASCIA DETAIL

1 1/2" = 1' - 0"

TYPICAL COUNTER FLASHING DETAIL

1 1/2" = 1' - 0"

TYPICAL LOW SLOPE/STEEP SLOPE DETAIL

1 1/2" = 1' - 0"

CONTINUOUS

GUTTER

CONTINUOUS GUTTER

CONTINUOUS

GUTTER

RE-INSTALL LIGHTNING

PROTECTION SYSTEM -

GENERAL NOTE 5

MAINTAIN EXISTING

CONDUIT AND

CONDUIT SUPPORT

SYSTEM

EXISTING STEEL

PLATFORM

INSTALLATION OF

PIPE SUPPORT

SLEEPER 72" OC

ABBREVIATIONS:

FT. FEET

OC ON CENTER

PT PRESSURE TREATED

DS DOWNSPOUT

SIM SIMILAR

SQ. SQUARE

REMOVE EXISTING SCUPPERS.

INSTALL CONTINUOUS GUTTER

SYSTEM (REFER TO DETAIL

120B/A120)

A121

120H TYP. ALL

LEG SUPPORTS

SUPPORT SLEEPERS

FOR CONDUIT -

REMOVE AND

REINSTALL

SHEET LAYOUT MECHANICALLY FASTENED ROOF SYSTEM

NOT TO SCALE

REFER TO SPECIFICATIONS FOR MANUFACTURER

PROVIDED ROOFTOP ANCHORS AND FALL

PROTECTION DETAILS - DETAILS FOR REFERENCE

ONLY

TYPICAL PITCH POCKET DETAIL

NOT TO SCALE

N. HURLEY

L. MUSHUNG

CONTINUOUS

GUTTER AND

DOWNSPOUT

CONTINUOUS

GUTTER AND

DOWNSPOUT

AD

D

IT

IV

E

BI

D

IT

EM

N O

TE

1 AD

D

ITIVE BID

ITEM

- N O

TE 11

AD

D

IT

IV

E

BI

D

IT

EM

N O

TE

1 AD

D

ITIVE BID

ITEM

- N O

TE 11

FORCE MANAGEMENT

ANCHOR - TYPICAL OF 20

(SEE NOTE 12)