SCS Anderson High 2018 Roofing Replacement - Bid Pack #1.pdf

A Total Building Envelope Management SolutionSM

(800) 745-STEC (7832) • www.structuretec.com

ROOFING REPLACEMENT – BID PACK #1 –

ANDERSON HIGH SCHOOL

SOUTHGATE COMMUNITY SCHOOLS

SOUTHGATE, MI

FOR

MS. THERESA MCLACHLAN

2018 ROOFING PROGRAM

PROJECT NO. T16015.RFG3

OCTOBER 2017

DATE OF ISSUANCE – 10-19-2017

All rights reserved. This written material or any part thereof must not be reproduced in any form without the written permission of StructureTec Corporation, Kalamazoo, Michigan

Southgate Community Schools - 2018 Roofing Replacement - Bid Pack #1 - Anderson High School

T16015.RFG3

00001 - 1

TABLE OF CONTENTS

October 2017

DIVISION 1 - GENERAL REQUIREMENTS

SECTION 01101 - SUMMARY FOR ROOFING

DIVISION 2 - SITE CONSTRUCTION

SECTION 02220 - SELECTIVE DEMOLITION FOR ROOFING

SECTION 02901 - LANDSCAPING FOR ROOFING

DIVISION 5 - METALS

SECTION 05310 - STEEL DECK

DIVISION 6 - WOOD AND PLASTICS

SECTION 06100 - ROUGH CARPENTRY

DIVISION 7 - THERMAL AND MOISTURE PROTECTION

SECTION 07220 - ROOF AND DECK INSULATION

SECTION 07531 - ADHERED ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING

SECTION 07620 - SHEET METAL FLASHING AND TRIM

SECTION 07700 - ROOF SPECIALTIES AND ACCESSORIES

SECTION 07791 - FASTENING SYSTEMS FOR ROOFING

SECTION 07921 - JOINT SEALANTS FOR ROOFING

DIVISION 9 - FINISHES

SECTION 09910 - PAINTING

DIVISION 15 - MECHANICAL

SECTION 15160 - ROOF DRAINS

DETAILS AND PLANS

RP-1 – ROOFING REPLACEMENT PLAN

D-01 – CONSTRUCTION PROFILE – METAL DECK MULTIPLE COURSES INSULATION AND

FULLY ADHERED SINGLE-PLY ROOFING

D-02 – METAL DECK IN-FILL

D-03 – WOOD BLOCK FASTENING PATTERN

D-04 – SECUREMENT: INSULATION FASTENER PATTERN

D-05 – FIELD OF ROOF INSULATION ADHESIVE PLACEMENT

D-06 – SEAM CROSS SECTION WITH COVER STRIP

D-07 – TERMINATION BAR

D-08 – METAL COPING CAP AND BASE FLASHING

D-08A – EXPANSION JOINT AT COPING WALL

School

00001 - 2

D-08B – METAL COPING CAP AND BASE FLASHING

D-09 – CONCEALED COPING PLATE DETAIL

D-09A – TWO-PIECE METAL COPING TERMINATION

D-10 – EXISTING COPPER THROUGH WALL FLASHING AND TERMINATION BAR

D-11 – SLIP INSERT COUNTERFLASHING

D-12 – FREE-FLOATING FASCIA

D-12A – FREE-FLOATING FASCIA

D-13 – EXPANSION JOINT (FIELD FABRICATED) ROOF TO ROOF

D-13A – TIE-IN TO EXISTING ROOFING SYSTEM

D-13B – EXPANSION JOINT WITH STANDING SEAM METAL COVER

D-14 – ROOF TRANSITION

D-14A – RAISED EDGE SHEET METAL FASCIA

D-15 – REINFORCED EXPANSION JOINT

D-16 – EXPANSION JOINT REPAIR

D-16A – REGLET COUNTERFLASHING, 2 PIECE

D-16B – EXISTING METAL THROUGH WALL FLASHING AND TERMINATION BAR

D-17 – CURB WITH REMOVABLE CAP

D-18 – CURB WITH NON-REMOVABLE CAP

D-18A – ROOF HATCH FLASHING

D-19 – PRE-FABRICATED SINGLE-PLY PENETRATION FLASHING

D-20 – FIELD-FABRICATED SINGLE-PLY PENETRATION FLASHING

D-21 – MULTIPLE PENETRATION CHASE

D-22 – PENETRATION POCKET

D-23 – ROOF DRAIN

D-24 – GUTTER

D-25 – THROUGH WALL SCUPPER

D-26 – NON-PENETRATING PIPE SUPPORT

D-27 – PORTABLE PIPE SUPPORTS

D-28 – SOLDERED RAIN COLLAR

D-29 – WALKWAY PAD INSTALLATION

School

01101 - 1

SUMMARY FOR ROOFING

SECTION 01101

PART 1 - GENERAL REQUIREMENTS

1.01 DESCRIPTION OF WORK

A. The Work shall be completed at:

T.J. Anderson High School 15475 Leroy Street Southgate, Michigan, 48195

B. Area totals approximately 70,215 square feet.

1. Base Scope of Work - Roof Areas A, B, C, D, E, F & G - 60,915 square feet

2. Alternate Scope of Work - Roof Areas H, I, J, K & L - 9,300 square feet

1.02 BASE SCOPE OF WORK

A. General: This Section is for the convenience of the Contractor only, and should not be construed as a complete accounting of all Work to be performed.

B. The extent of the Work is indicated on the Drawings and by the requirements in each Specification Section.

C. Demolition and Roof Preparation

1. Remove existing roof system down to the existing steel form deck substrate as specified. This includes; roof membrane, insulation, roof base flashings, perimeter metal and other roof related flashings.

2. Cover existing roof level EIFS with plastic sheeting to prevent damage or soiling.

3. Provide repairs to the decking (unit cost).

D. Rough Carpentry

1. Provide new wood blocking where designated.

2. Provide new plywood sheathing where designated.

3. Replace rotted/deteriorated wood blocking (unit cost).

E. Roof Insulation

1. Provide new roof insulation components.

2. Provide new batt insulation as specified.

3. Provide new tapered insulation components.

School

01101 - 2

4. Re-use existing polyisocyanurate roof insulation as at Roof Areas I, J, K & L as specified.

a. Include allowance for 1,000 sqft of 2.0 inch polyisocyanurate to use for wet/damaged insulation replacement.

F. Roof System/Flashings

1. Provide new single-ply membrane and associated flashings.

G. Roof Related Sheet Metal

1. Provide new pre-finished metal and field of roof sheet metal flashings where designated.

H. Plumbing

1. Provide replacement of all existing drain clamping rings, bolts and strainers.

I. Miscellaneous

1. Provide new walkway pads at designated locations including roof access / step-off points and at access doors of serviceable roof top equipment.

2. Provide new non-penetrating pipe supports at designated locations as specified.

3. Coordinate with owner when replacing one (1) roof top unit provide appropriate base flashings in order to keep roof system water tight.

4. Provide flashing at four (4) new exhaust hoods at gym roof where indicated.

5. Install six (6) new ladders at specified locations.

6. Roof deck repair. Provide lift access to underside of pool area (see roof plan for exact location) for review by Consultant. Necessary repairs to be handled via T&M cost basis.

1.03 SCHEDULE OF ALTERNATES

A. Roofing Replacement at Roof Areas H, I, J, K & L.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 01101

School

02220 - 1

SELECTIVE DEMOLITION FOR ROOFING

SECTION 02220

PART 1 - GENERAL

1.01 SUMMARY

A. Furnish all labor, materials, equipment and supervision to demolish, haul and dispose of items in accordance with the Contract Documents.

1.02 REFERENCES

A. American National Standards Institute (ANSI): Safety Requirements for Demolition, Document A10.6.

B. Occupational Safety and Health Administration (OSHA): Construction Safety Act, Part 1926.

1.03 PERFORMANCE REQUIREMENTS

A. Contractor shall be responsible for the planning and implementation of the demolition work including the safety of persons and property. This responsibility shall not transfer to the Owner, governing authorities or Consultant.

B. The building space directly under the roof area covered by this specification will be utilized for concurrent and ongoing operations. These operations shall not be interrupted by the Work in process.

C. Contractor shall examine areas and conditions under which the Work is to occur and notify the Consultant in writing as required in the General Conditions of any conditions detrimental to the proper and timely completion of this Work.

D. Consultant’s review shall be conducted to verify general conformance with the requirements of the Contract Documents.

E. Contractor shall take adequate precautions to prevent unauthorized personnel from entering the job site.

F. Contractor shall conduct demolition operations to ensure minimum interference with roads, streets, walks, and other adjacent occupied or used facilities and shall not close or obstruct streets, walks, or other occupied or used facilities without permission from authorities having jurisdiction.

G. Contractor shall maintain adjoining properties, public thoroughfares, sidewalks, and utilities to prevent damage that may be caused by the Work.

School

02220 - 2

H. At no cost to the Owner, Contractor shall repair damage to adjacent facilities resulting from demolition operations.

I. Contractor shall provide necessary protection to prevent airborne construction material, debris, dust, fumes, etc. from entering occupied spaces (e.g. adjacent building, air intake).

1.04 SUBMITTALS

A. Furnish Owner and Consultant with a detailed plan to ensure that Work will be accomplished in a safe and prudent manner.

B. Submit demolition procedures, operations sequence, permits and notices authorizing demolition, certificates of severance of utility services, if required, method of traffic maintenance, permit for transport and disposal of debris, and location of disposal area.

C. Contractor shall review with the Owner and Consultant the types of equipment proposed for use during the course of the project.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION

3.01 DEMOLITION

A. General

1. All products and debris resulting from demolition, shall become the responsibility of the Contractor and shall be removed from the Owner's property.

2. Disposal of these materials, including transportation thereof, shall become the responsibility of the Contractor, who shall abide by all local, state, and federal regulations relating to these materials.

B. Demolition Requirements

1. Contractor shall take all precautions during roof demolition to protect the building and adjacent surfaces from being soiled or damaged.

2. Where traffic and/or equipment is required over any in-place roofing systems, the Contractor shall provide the following layers of protection:

a. Minimum one inch insulation laid directly on the roof surface.

b. Minimum 3/4 inch plywood traffic surface.

c. Care shall be taken to secure the protection layers against blow-off or other wind related damage.

3. Plug roof drains during demolition to prevent debris and materials from entering and clogging drainage pipes.

School

02220 - 3

4. Coordinate the roof demolition work with the new roofing work in such a manner as to keep the new insulation and roofing materials, building, and building interior dry and watertight.

5. Remove all loose gravel, dirt and foreign debris from the roof area. Use power broom and/or closed vacuum system.

6. Remove all existing roof membrane, flashing, insulation, and lightweight concrete fill down to existing deck.

7. Remove defective decking as noted and/or required.

8. Remove obsolete roof penetrations and equipment as noted on plans or designated by the Owner during the Bidding phase.

9. Remove perimeter edge and field of roof sheet metal flashings as specified.

10. Keep roof surface clean of any debris.

11. Replace all missing or damaged drain components as specified.

12. Do not store debris on roof and do not overstress roof deck.

13. Shut off all affected electrical, plumbing, and gas lines and disconnect all electrical, plumbing, gas lines, and ventilation ducts where required to allow for lifting mechanical units.

14. Temporarily displace junction boxes, rooftop conduit and gas lines, or other supports. All required disconnection, modification, and reconnection is to be performed by a licensed mechanical/electrical contractor as applicable to the Work being performed. Schedule shut-offs and disconnections with the Owner.

END OF SECTION 02220

School

02901 - 1

LANDSCAPING FOR ROOFING

SECTION 02901

PART 1 - GENERAL

1.01 SUMMARY

A. Furnish all labor, materials, equipment and supervision to remove and replace any landscaping damaged by the contractor during the performance of Work.

1.02 SUBMITTALS

A. Product Data

1. Submit data indicating material characteristics, performance criteria, and any limitations.

2. Submit manufacturer’s installation instructions indicating preparation, installation or other specific procedures to be followed during installation.

1.03 QUALITY ASSURANCE

A. Qualifications of Workmen: Provide at least one person who shall be present at all times during execution of this portion of the Work, who is familiar with the type of materials being installed and the proper methods for their installation, and who shall direct all Work performed under this section.

B. Protect structures, utilities, roads, trees and vegetation from damages caused by landscaping operations.

C. Standards:

1. All plants and planting material shall meet or exceed the specifications of federal, state, and local laws for plant disease and insect control.

2. Quality and size of materials shall conform to the current edition of Horticultural Standards for number one grade nursery stock as adopted by the American Association of Nurserymen.

1.04 DELIVERY, STORAGE AND HANDLING

A. Delivery and Storage:

1. Deliver all items to the job site in their original containers with all labels intact and legible.

School

02901 - 2

2. Protect plant materials before, during, and after installation and to protect the work and materials of all other trades.

B. Replacements: In the event of damage to stored materials, make all repairs and replacements necessary to the approval of the Owner's Representative and at no additional cost to the owner.

PART 2 - PRODUCTS

2.01 TOPSOIL

A. Topsoil required to complete the work of planting shall be natural, friable topsoil, characteristic of representative soils in the vicinity that produce heavy growths of crops, grass or other vegetation. It shall not be too acidic, nor too alkaline, or contain toxic substances harmful to plant growth. All topsoil used for this project shall be without admixtures of subsoil; free from clay lumps, stones, roots, debris and other objects.

2.02 SOD

A. Supplier

1. Contractor to submit to Consultant for review prior to installing.

B. Sod shall be placed within 48 hours of cutting and shall be protected and maintained during transit or storage on site as necessary to ensure vigorous growth after placement.

C. Sod remaining on the site unplaced after 48 hours will be rejected. All yellowing or otherwise discolored sod will be rejected.

D. The contractor shall inform the owner's representative 24 hours in advance of any delivery of sod.

E. Description

1. Sod shall be well established and shall contain all the dense root system of the grasses and shall exhibit vigorous healthy root growth free of noxious weeds, objectionable grasses, grubs, diseases or injurious insects.

2. Sod shall meet the applicable sections of the State Highway Specifications unless specifically called for otherwise by the consultant.

2.03 SEED

A. Premium Grass Seed – mixture of ryegrass, bluegrass, and fine fescue grass seed.

B. Supplier – Contractor to submit to Consultant for review prior to installing.

School

02901 - 3

2.04 FERTILIZER

A. Fertilizer shall meet the applicable sections of the State Highway Specifications.

B. Fertilizer shall be uniform in composition, free flowing and suitable for application with approved equipment.

PART 3 - EXECUTION

3.01 INSPECTION

A. Ground preparation shall not be started until all stones, debris, and similar material larger than 1" in diameter have been removed, depressions and ruts filled and the entire area to be seeded and/or sodded has been accepted by the Consultant.

3.02 PROTECTION OF PERSON AND PROPERTY

A. Protection of Existing Plant Materials

1. Existing trees, shrubs, and plant materials to remain shall be protected by acceptable means.

2. Damage to above plant material shall be repaired by qualified personnel and replaced with Owner approved material.

3.03 TOPSOIL

A. Place topsoil in location requiring landscaping repairs.

B. Topsoil shall be compacted and conform to the surrounding grades and elevations.

Water shall be applied as necessary to provide adequate moisture content prior to installation of any sod or seed.

3.04 SOD

A. General repair shall be performed by those familiar with the accepted procedures of planting and under the supervision of a qualified planting foreman.

B. Preparation of Soil

1. Prior to, but not in excess of 24 hours before sod is to be placed, the soil surface shall be worked until it is free from debris, washes, gullies, clods and stones and is in satisfactory condition.

2. The surface shall be worked to depth of not less than 3" with a disc, tiller, or other equipment approved by the owner's representative.

3. Prepared surfaces that become crusted shall be reworked to an acceptable condition for sodding.

School

02901 - 4

C. Application of Fertilizer

1. Commercial fertilizer shall be applied in accordance with the State Highway Specifications.

D. Application of Sod

1. Fit sod pieces tightly together so that no joint is visible, alternate courses staggered, and tap firmly to eliminate all air pockets. Provide a true and even surface and ensure knitting without displacement of sod or deformation of the surface of sodded areas. Edges shall be buried flush with adjacent soil.

Following compaction, screened topsoil shall be used to fill all cracks between sod pieces. Excess soil shall be worked into grass.

3.05 SEEDING

A. General lawn repair shall be performed by those familiar with the accepted procedures of planting and under the supervision of a qualified planting foreman.

B. Preparation for Seeding

1. Prior to, but not in excess of 24 hours before seed is to be placed, the soil surface shall be worked until it is free from debris, washes, gullies, clods and stones and is in satisfactory condition.

2. The surface shall be worked to a depth of not less than 3” with a disc, tiller, or other equipment approved by the Owner’s Representative.

3. Prepared surfaces that become crusted shall be reworked to an acceptable condition before seeding.

4. Broadcast seed over prepared area per manufacturer’s requirements.

C. Application of Starter Fertilizer

1. Commercial starter fertilizer shall be applied in accordance with the State Highway Specifications.

END OF SECTION 02901

School

05310 - 1

STEEL DECK

SECTION 05310

PART 1 - GENERAL

1.01 SUMMARY

A. This section includes the following:

1. Furnish all labor, materials, equipment and supervision to demolish, haul and dispose of items in accordance with the Contract Documents.

a. Repair or replacement of deteriorated steel roof deck areas.

b. Installation of new steel roof deck at obsolete roof openings or penetrations.

1.02 REFERENCES

A. Fire Resistance Ratings: indicated by design designations from UL’s “Fire Resistance Directory” or from the listings of another testing and inspection agency.

B. AISI Specifications: calculate structural characteristics of steel deck according to AISI’s “Specification for the Design of Cold Formed Steel Structural Members”.

1.03 SUBMITTALS

A. Product Data: for each type of deck, accessory and product indicated.

B. Shop Drawings: show layout and types of deck panels, anchorage details, deck openings, special jointing, accessories and attachments to other construction.

1.04 QUALITY ASSURANCE

A. Installer Qualifications: an experienced installer who has completed steel deck similar in material, design and extent to that indicated for this project and whose work has resulted in construction with a record of successful in-service performance.

B. Fire-Test-Response Characteristics: where indicated, provide steel deck units identical to those steel deck units tested for fire resistance per ASTM E 119 by a testing and inspection agency acceptable to authorities having jurisdiction.

1. Steel deck units shall be identified with appropriate markings of applicable testing and inspecting agency.

School

05310 - 2

1.05 DELIVERY, STORAGE AND HANDLING

A. Protect steel deck from corrosion, deformation and other damage during delivery, storage and handling.

B. Stack steel deck on platforms or pallets and slope to provide drainage. Protect with a waterproof covering and ventilate to avoid condensation.

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:

1. Steel Deck:

a. BHP Steel Building Products USA Inc.

b. Consolidated Systems, Inc.

c. Epic Metals Corp.

d. Nucor Corp; Vulcraft Division.

e. United Steel Deck, Inc.

f. Wheeling Corrugating Company; Division of Wheeling-Pittsburgh Steel Corp.

2.02 ROOF DECK

A. Steel Roof Deck: fabricate panels, without top flange stiffening grooves, to comply with “SDI Specifications and Commentary for Steel Roof Deck” in SDI Publication No. 29, and the following:

1. Provide new 1.5 inch galvanized type "B" deck. Deck steel thickness shall not be less than 20 gauge.

a. Sheet steel for galvanized roof deck shall conform to ASTM A 653, structural quality, grade 33 or higher. Galvanizing shall conform to ASTM A 924 with a minimum coating class of G60 as defined in ASTM A 653.

2. Deck shall span the maximum number of framing members possible, with a minimum of three spans. Decking to cover obsolete penetrations and to perform isolated deck repairs may be less than three spans, if authorized by the Owner or Consultant in advance, as long as roof loading requirements are satisfied.

3. Deck side laps shall be overlapped unless interlocking seams are required to match existing construction at deck repair areas.

2.03 ACCESSORIES

A. General: provide manufacturer’s standard accessory materials for decks that comply with requirements indicated.

School

05310 - 3

B. Mechanical Fasteners: corrosion-resistant, low-velocity, power-actuated or pneumatically driven carbon-steel fasteners; or self-drilling, self-threading screws.

C. Side-Lap Fasteners: corrosion-resistant, hexagonal washer head; self-drilling, carbon-steel screws, No. 10 minimum diameter.

D. Flexible Closure Strips: vulcanized, closed-cell, synthetic rubber.

E. Miscellaneous Sheet Metal Deck Accessories: steel sheet, minimum yield strength of 33 KSI, not less than 0.0359 inch design uncoated thickness, or same material and finish as deck; of profile indicated or required for application.

F. Steel Sheet for cover obsolete deck penetrations no larger than 12” x 12”: 16 gauge steel plate, welded or mechanically fastened.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Examine supporting frame and field conditions for compliance with requirements for installation tolerances and other conditions affecting performance.

3.02 INSTALLATION, GENERAL

A. Install deck panels and accessories according to manufacturer’s written instructions and requirements as specified.

B. Locate decking bundles to prevent overloading of supporting members.

C. Place deck panels on supporting frame and adjust to final position with ends accurately aligned and bearing on supporting frame before being permanently fastened. Do not stretch or contract side-lap interlocks.

D. Place deck panels flat and square and fasten to supporting frame without warp or deflection.

E. Cut and neatly fit deck panels and accessories around openings and other work projecting through or adjacent to decking.

F. Provide additional reinforcement and closure pieces at openings as required for strength, continuity of decking and support of other work.

G. Comply with AWS requirements and procedures for manual shielded metal arc welding, appearing and quality of welds and methods used for correcting welding work.

School

05310 - 4

H. Mechanical fasteners may be used in lieu of welding to fasten deck. Locate mechanical fasteners and install according to deck manufacturer’s written instructions.

3.03 ROOF DECK INSTALLATION

A. Mechanical Fastening of Metal Deck Panels and side laps: Fasten deck panels to steel structure and fasten side laps of panels between supports at intervals not exceeding the lesser of one-half of the span or 18 inches and as follows:

1. Mechanically fasten with self-drilling No. 10 diameter or larger carbon-steel screws.

B. End Bearing: install deck ends over supporting frame with a minimum end bearing of 1-1/2 inches with ends joints as follows:

1. End Joints: lapped 2 inches minimum.

C. Miscellaneous Roof Deck Accessories: install ridge and valley plates, finish strips, cover plates, end closures and reinforcing channels according to deck manufacturer’s written instructions. Weld to substrate to provide a complete deck installation.

3.04 REPAIRING MINOR DAMAGE TO NEWLY INSTALLED DECK

A. Provide final protection and maintain conditions to ensure that steel deck is without damage or deterioration at time of substantial completion.

B. If any damage occurs beyond the above repairs, the panel section shall be discarded and a new section used in it’s place.

3.05 REPAIRS AND/OR REPLACEMENT OF EXISTING ROOF DECK

A. Carefully inspect all areas of existing deck prior to installing new roofing materials.

Check for deck deterioration, distress, or deflection. Notify Owner and Consultant immediately of problem areas.

1. Guidelines for roof deck repair and/or replacement shall be as follows:

School

05310 - 5

CONDITION 20 GAUGE DECK 22 GAUGE DECK ACTION

No rust or scale Maximum deck span =7’0”.

Maximum deck Span = 6’0”

None

Very minor rust under paint, base metal not pitted

Maximum deck Span = 7’0”

Maximum deck Span = 6’0”

Wire brush scale, touch up with compatible primer as specified.

Minor rusting of base metal

Deck span greater than 7’0”

Deck span greater than 6’0”

Contact Owner and Consultant for deck replacement or overlay with new deck

Minor rusting over less than 10% of deck surface, no holes visible

Deck span 6’0’ or less

Deck span 5’0” or less

Wire brush clean, apply rust inhibiting primer as specified.

Rusting of deck resulting in pinholes or holes less than 1/2 inch dia. affecting less than 10% of surface area

Deck span 6’0’ or less

Deck span 5’0” or less

Wire brush clean, weld 22 gauge cover plate over affected area, apply rust inhibiting primer as specified.

Significant rust and pitting of metal over 15% or greater of deck surface, no visible holes

Any deck span Any deck span Provide compatible deck overlay to nest and weld or screw into existing; or remove and replace with deck recommended by Owner and Consultant

Significant rusting of metal with holes visible in upper lower deck surface affecting greater than 20% of deck surface

Any deck span Any deck span Provide compatible deck overlay to nest and weld or screw into existing; or remove and replace with deck recommended by Owner and Consultant

B. Re-secure deck panels wherever they are not secured to underlying framing members.

C. Obsolete penetrations or openings in the existing deck less than 12 inches x 12 inches shall be covered over with 16 gauge steel plate, welded or mechanically fastened to the adjacent deck. Lap existing deck minimum of three inches on each side.

School

05310 - 6

D. Obsolete penetrations or openings in the existing deck larger than 12 inches x 12 inches shall be covered with new roof deck nested into the existing. The roof deck patch shall extend to the nearest roof framing member (joist, beam, etc.) in each direction of the deck span. Attach the deck patch to the framing members with puddle welds or mechanical fasteners.

END OF SECTION 05310

School

06100 - 1

ROUGH CARPENTRY

SECTION 06100

PART 1 - GENERAL

1.01 SUMMARY

A. Section includes:

1. Furnish all labor, materials, equipment and supervision to install/replace the following:

a. Wood blocking.

b. Wood curbing.

c. Plywood Sheathing.

1.02 REFERENCES

A. ALSC (American Lumber Standards Committee) - Softwood Lumber Standards.

B. NFPA (National Forest Products Association).

C. APA (American Plywood Association)

D. AWPA (American Wood Preservers Association) C1 – All Timber Products Preservative Treatment by Pressure Process.

1.03 DELIVERY, STORAGE AND HANDLING

A. Inspect materials delivered to the site for evidence of contact with moisture. Reject delivery of materials with stained or wet wrappers or torn covers. Packaging labels must be readable, identify the material, and indicate conformance with the reference standard applicable to the material.

B. Store all lumber as follows:

1. Do not expose materials to moisture of any form.

2. When out-of-doors, store on clean raised platforms at least four inches above the ground surface.

3. Completely cover all lumber with weatherproof covers to protect from weather and moisture.

4. Arrange covers to allow venting; do not allow covers to extend onto the ground.

Do not use polyethylene or other non-breathing cover materials.

5. Factory applied plastic wrap is not an acceptable weatherproof cover. Rooftop storage of lumber is not permitted except for materials intended for installation that same day.

School

06100 - 2

1.04 PROJECT CONDITIONS

A. Prior to ordering materials, or doing any work, verify at the site all dimensions, details, and conditions which may affect the work. No allowance for additional compensation will be considered for discrepancies between dimensions indicated in the specifications and drawings and actual field dimensions, or for the Contractor’s failure to comply with this requirement.

PART 2 - PRODUCTS

2.01 LUMBER MATERIALS

A. Wood Nailers/Blocking and Curbs

1. Southern Yellow Pine or Hem Fir; No. 2 grade; free from warping and visible decay.

B. Plywood Sheathing

1. Exposure1, Grade C-D, thickness 3/4” minimum.

PART 3 - EXECUTION

3.01 CARPENTRY

A. Roof Edge

1. Mechanically attach wood blocking. Blocking thickness: Equal to final insulation thickness. Width: Six (6) inches nominal.

2. Wood securement at roof perimeters shall be in accordance with FM Loss Prevention Data Bulletin I-49.

3. Fasteners shall be installed in two staggered rows. Spacing in any one row shall not exceed 24 inches on-center. Within eight (8) feet of outside corners spacing shall not exceed 12 inches in any one row.

4. Offset blocking layers 12 inches; weave corners.

B. Parapet Walls

1. Replace rotted blocking as required.

2. Mechanically attach new wood blocking to top surface of parapet wall construction.

3. Wood securement at roof perimeters shall be in accordance with FM Loss

Prevention Data Bulletin I-49.

4. Fasteners shall be installed in two staggered rows. Spacing in any one row shall not exceed 24 inches. Within eight (8) feet of outside corners spacing shall not exceed 12 inches in any one row.

5. Offset blocking layers 12 inches; weave corners.

School

06100 - 3

C. Wood Curbs

1. Mechanically attach additional wood blocking on top of the curb to raise final curb height eight (8) inches minimum above new roofing plane. Blocking shall be flush with outside curb surface.

D. Metal Curb Flashings

1. Raise curb.

2. Clean flange.

3. Replace rotted blocking.

4. Mechanically attach wood blocking to existing blocking. Blocking thickness around curb: Equal to final insulation thickness. Width: Same as existing, or sufficient to accommodate unit.

5. Fasteners shall be installed in two staggered rows. Spacing in any one row shall not exceed 24 inches on-center.

6. Offset blocking layers 12 inches; weave corners.

END OF SECTION 06100

School

07220 - 1

ROOF AND DECK INSULATION

SECTION 07220

PART 1 - GENERAL

1.01 SUMMARY

A. Section includes: furnish all labor, materials and supervision to install in accordance with the Contract Documents all items listed, but not limited to:

1. Installation of insulation course(s) to specified substrate.

2. Installation of tapered insulation courses to specified substrate.

3. Installation of cover board top layer to the specified substrate.

1.02 PERFORMANCE REQUIREMENTS

A. Polyisocyanurate insulation products shall meet or exceed the criteria of ASTM C1289-02 Industry Standards.

1. “LTTR” values are to be determined in accordance with CAN/ULC S770 test methods.

2. “LTTR” values to be based on 15 year time weighted averages.

1.03 SUBMITTALS

A. Manufacturer’s latest descriptive literature, installation instructions and procedures to be followed during installation.

B. Letters from manufacturers or published information verifying compatibility with additional materials specified within this Section as well as substrate materials to which they will be installed.

1.04 QUALITY ASSURANCE

A. New insulation material shall have accurate dimensions and sufficient structural stability to conform to the surfaces of the roof, cants, curbs, pipes and joints.

B. Joints between boards shall be tight, except at junctions with all vertical surfaces and sumps, where 1/2 inch clearance shall be maintained.

C. Lay no more insulation than can be completely covered by specified waterproofing membrane during the same day.

School

07220 - 2

D. Insulation that becomes wet during or after installation shall be removed and replaced with dry insulation. If the roof membrane has already been applied over such wet insulation, then the roofing membrane shall also be replaced.

E. All such replacement work shall be at no additional charge to the Owner.

1.05 DELIVERY, STORAGE AND HANDLING

A. Deliver materials to job site with packages and labels intact; identifying manufacturer, product name and lot numbers when appropriate.

B. Store materials:

1. In accordance with applicable manufacturer’s recommendations and Material Safety Data Sheets.

2. In a suitable and designated area at the job site.

3. Support materials off the ground and cover with materials that create a weatherproof barrier. Factory applied plastic wrap is not an acceptable weather proof cover.

4. Protect insulation from the weather at all times.

C. The designated staging area shall be restricted to storage of materials and related equipment.

1.06 PROJECT CONDITIONS

A. Environmental Conditions:

1. Do not proceed with work under threatening or during unfavorable weather conditions.

2. If work is interrupted by weather, provide the necessary protection for newly installed materials and to keep building weather tight. Any materials damaged as a result of inclement weather shall be replaced at the Contractor’s cost.

B. Existing Conditions:

1. Coordinate the Work with existing construction not included within this Section.

2. This includes sequencing the Work in order to provide proper interfacing with adjoining building elements, as well as ensuring the weather proofing integrity of the Work.

1.07 SCHEDULING

A. Sequence Work to ensure base sheet materials are in place before beginning the Work of this Section.

B. Sequence Work to ensure vapor retarder and/or air barrier materials are in place before beginning the Work of this Section.

School

07220 - 3

PART 2 - PRODUCTS

2.01 INSULATION MATERIALS

A. Base Layer

1. Polyisocyanurate Board Insulation: Rigid, cellular polyisocyanurate board thermal insulation shall comply with ASTM C1289-02. Insulation thickness as scheduled. Insulation boards shall be classified by facer type as follows:

a. Type II, felt or glass-fiber mat on both major surfaces.

b. Maximum board size: 4’ x 4’.

2. Tapered panels constructed of polyisocyanurate board thermal insulation and comply with ASTM C1289-02. Taper slope as scheduled. Minimum board thickness shall be 0.5 inches. Maximum board thickness shall be 2 inches.

a. Type II, felt or glass-fiber mat on both major surfaces.

b. Maximum board size: 4’ x 4’

c. The tapered insulation system shall be designed, manufactured, and supplied by a single source manufacturer.

B. Top Layer (where scheduled)

1. High Density Cover Board: High density, closed-cell, polyisocyanurate foam core, coated fiberglass facer; 0.5 inch thick, Grade 2, shall comply with ASTM D 1621.

a. Maximum board size: 4' x 4'

2.02 TAPERED INSULATION ACCESSORIES

A. Saddles/Crickets

1. Saddles/Crickets shall be constructed of tapered polyisocyanurate board insulation shall comply with ASTM C1289-02. Boards shall be faced with asphalt saturated glass-fiber mat. Taper slope as scheduled. Minimum board thickness shall be 0.5 inches. Maximum board thickness shall be 2 inches.

a. Type II, felt or glass-fiber mat on both major surfaces.

b. Maximum board size: 4’ x 4’

2.03 RELATED COMPONENTS

A. Urethane Adhesive: Urethane based adhesive for securement of insulation as manufactured or as recommended by the roof membrane manufacturer.

School

07220 - 4

PART 3 - EXECUTION

3.01 THERMAL INSULATION APPLICATION

A. General

1. Neatly cut insulation boards to fit around all penetrations through the roof deck.

At locations where less than a full size sheet of insulation is required, use the largest size practical to fill in the area. Do not install numerous small sections of the insulation at these locations.

2. Insulation boards with damaged facer sheet or broken edges shall not be incorporated into the work.

3. Fill gaps between insulation boards and between insulation boards and walls, curbs, blocking, and equipment with additional insulation material. Gaps between insulation boards in excess of 1/4 inch will not be accepted.

4. Protect all insulation from weather and standing water at all times. Install no more insulation than can be covered with the roofing membrane on the same day.

5. Tapered insulation edge stripping shall be installed at all perimeter edge details unless otherwise specified to provide for a smooth transition of new membrane and flashings as specified.

B. Thermal Insulation (Two Layers Mechanically Fastened)

1. All Layers

a. Insulation securement requires one fastener every two square feet of board space. All insulation joints shall be staggered a minimum of twelve (12) inches.

C. Saddles/Crickets

1. Saddles/crickets shall be installed in a solid application of adhesive as specified.

2. Saddles/cricket securement requires one fastener every two square feet of board space.

3. Saddles/crickets shall be installed in a solid application of type III steep asphalt at the rate of 30 pounds per 100 square feet.

3.02 INSULATION SCHEDULE

A. Roof Areas A, B, C, D, E, F & H

1. Base layer - 2.0 inch polyisocyanurate insulation - mechanically attached

2. 0.125 inch per foot four (4) way fully-tapered insulation system

B. Roof Area I

1. Re-use existing 2.0 inch polyisocyanurate insulation

2. 0.50 inch per foot tapered saddles where indicated on the drawings

School

07220 - 5

C. Roof Area G

1. Two (2) layers - 1.5 inch polyisocyanurate insulation - mechanically attached

2. 0.50 inch per foot tapered saddles where indicated on the drawings

D. Roof Areas J, K & L

1. One (1) layer - 0.5 inch HD cover board - mechanically attached

2. Re-use existing 2.0 inch polyisocyanurate insulation

3. 0.50 inch per foot tapered saddles where indicated on the drawings

END OF SECTION 07220

School

07531 - 1

ADHERED

ETHYLENE-PROPYLENE-DIENE-MONOMER

(EPDM) ROOFING

SECTION 07531

ADHERED ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING

PART 1 - GENERAL

1.01 SUMMARY

A. Section Includes:

1. Furnish all labor, materials, equipment and supervision to provide the following in accordance with the Contract Documents.

a. Adhered EPDM membrane roof system.

b. Flashing and related components/accessories to provide a complete and warranted roofing system.

1.02 REFERENCES

A. Underwriters’ Laboratories, Inc., Building Materials Directory

B. Manufacturer’s Single-Ply Roofing Product Data and Application Guidelines

1.03 PERFORMANCE REQUIREMENTS

A. General Performance: Installed membrane 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. Membrane roofing and base flashings shall remain watertight.

B. Material Compatibility: Provide roofing materials that are compatible with one another under conditions of service and application required, as demonstrated by membrane roofing manufacturer based on testing and field experience.

1.04 SUBMITTALS

A. Product Data:

1. Submit Manufacturer’s latest descriptive literature for each type of manufactured roofing materials as specified.

B. Materials List:

1. List of materials proposed to be furnished and installed under this portion of the Work.

School

07531 - 2

2. This shall in no way be construed as permitting substitution of materials for those specified.

C. Shop Drawings

1. Shop drawings shall indicate installation layout, installation details, joint locations, special configurations and expansion provisions as required for this project.

2. Shop drawings shall not consist of a reproduction of the Consultant’s details, but rather shall provide supplemental information pertaining to specific dimensions, sequencing requirements, joints and laps, as well as provisions for expansion and contraction as may be required for completion of the Work.

D. Manufacturer's Information:

1. Installation Instructions: Submit special procedures for perimeter conditions requiring special attention.

2. Manufacturer’s Certificate: Certify submitted products meet or exceed specified requirements.

3. Copy of system Manufacturer’s inspection report of completed roofing installation.

1.05 QUALITY ASSURANCE

A. Manufacturer: Company specializing in manufacturing products specified in this Section with a minimum of ten years documented experience and that has UL listing for membrane roofing system specified herein.

B. Applicator: Company specializing in performing Work of this Section with minimum of five years documented in-service experience approved, authorized, or licensed by roofing system manufacturer to install manufacturer’s product and that is eligible to receive manufacturer’s warranty.

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

School

07531 - 3

1.07 PROJECT CONDITIONS

A. Advise Owner when volatile materials are to be used near air ventilation intakes so that they can be shut down or blocked as Owner requires.

B. Environmental Requirements

1. Do not work in rain, snow or in presence of water.

2. Do not install materials marked “keep from freezing” when daily temperatures are scheduled to fall below 40 degrees F.

3. Remove any work exposed to freezing.

4. Do not apply roofing membrane to damp or frozen deck surface.

5. Do not expose materials vulnerable to water or sun damage in quantities greater than can be waterproofed the same day.

1.08 SCHEDULING

A. The roof and building must be maintained watertight at the end of each day.

B. Completion of Work shall be defined as the installation of all specified roof preparation, insulation and field membrane.

C. Flashings, counter flashings, sheet metal, fasteners, and sealant work shall be coordinated and installed by the Contractor during the course of the Work.

PART 2 - PRODUCTS

2.01 EPDM MEMBRANE ROOFING

A. General

1. Comply with quality control, references, specification and manufacturer’s data.

2. Products containing asbestos are prohibited. Use only asbestos-free products.

B. EPDM: ASTM D 4637, Type II, scrim or fabric internally reinforced, uniform, flexible EPDM sheet.

1. Manufacturers:

a. Carlisle SynTec Incorporated.

b. Firestone Building Products.

c. Johns Manville

d. Thickness: 60 mils, nominal.

e. Exposed Face Color: Black.

School

07531 - 4

2.02 MATERIALS

A. Sheet Flashing: 60-mil thick EPDM, partially cured or cured, according to application.

B. Bonding Adhesive: Manufacturer's standard, solvent based.

C. Seaming Material: Manufacturer's standard, synthetic-rubber polymer primer and 3-inch wide minimum, butyl splice tape with release film.

D. Seam Cover Strip: minimum five (5) inch wide stripping of pressure sensitive EPDM seam flashing membrane as recommended by the manufacturer.

E. Lap Sealant: Manufacturer's standard, single-component sealant.

F. Water Cutoff Mastic: Manufacturer's standard butyl mastic sealant.

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

H. Pourable Sealer Penetration Pocket Filler:

1. Non-shrink grout shall be non-metallic grout meeting ASTM C 1107 as manufactured by:

a. "Five Star Grout" by U.S. Grout Corporation

b. "Master Flow 928" by Master Builders

c. Approved equal

2.03 WALKWAY PADS

A. Flexible Walkways: Factory-formed, nonporous, heavy-duty, solid-rubber, slip-resisting, surface-textured walkway pads approximately 3/16 inch thick, and acceptable to membrane roofing system manufacturer.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Verify surface and site conditions as satisfactory to receive work.

B. Do not begin roofing until all unsatisfactory conditions are corrected. Beginning work constitutes acceptance of conditions.

C. Verify that work of other trades penetrating roof deck or requiring men and equipment to traverse roof deck has been approved by Owner, Consultant, manufacturer and roofing contractor.

School

07531 - 5

D. Check projections, curbs, and deck for inadequate anchorage, foreign material, moisture, and unevenness that would prevent proper execution of new roofing system.

E. Verify deck surfaces are dry and free of snow or ice.

3.02 PROTECTION

A. All roofing, flashing, insulation, or other materials to be incorporated into the work shall be installed and sealed in a watertight manner on the same day.

B. At the start of each workday, drains within daily work area shall be plugged. Plugs are to be removed at the end of each workday.

C. Roof materials shall not be scraped, torn, bent, or otherwise damaged during unloading, storage or installation. Any materials, which have been mistreated or weathered, shall not be acceptable for application.

D. All surfaces shall be smooth, dry, and free from dirt, debris, and foreign matter before any treatment is initiated.

E. Pumping or spraying equipment shall be located at a safe distance from buildings and shall be subject to the approval of the Owner. The Contractor shall be responsible for exercising all reasonable precautions to avoid fires being started, and shall provide suitable fire extinguishers, which are to be located so that they can be used when required. Competent operators shall be in attendance at all times when equipment is in use.

F. Preparation work shall be limited to those areas that can be covered with installed roofing material on same day or before arrival of inclement weather. Arrange work sequence to avoid use of newly constructed roofing for storage, walking surface, and equipment movement. Move equipment and ground storage areas as work progresses.

G. Prior to the application of any seam overlays, the Owner’s Representative must review and approve all surface preparation. Should any deficiencies be found, the contractor shall correct prior to installing the seam overlay.

H. Provide clean plywood walkways and take other precautions required to prevent tracking of aggregate from existing membrane into new work area where aggregate pieces can be trapped within new roofing membrane. Contractor shall instruct and police his workmen to ensure that debris is not tracked into new work. Discovery of entrapped debris within new membrane is sufficient cause for rejection.

3.03 GENERAL WORKMANSHIP

A. Substrate: Free of foreign particles prior to laying roof membrane.

B. Phased roofing application will not be permitted.

School

07531 - 6

C. Traffic and Equipment: Protect completed single-ply roofing. Limit traffic over completed Work. Do not store equipment on roof membrane.

D. Entrapped Debris: Not permitted within new membrane. Its discovery is sufficient cause for rejection.

E. Base Flashing Height: Not less than eight inches above finished roof surface, unless otherwise designated in writing and authorized by the Consultant.

F. Elastomeric Flashing Adhesive: Allow solvent to flash prior to installation of flashing sheet.

3.04 EPDM MEMBRANE INSTALLATION

A. Membrane Installation (Adhered Single Ply)

1. Place membrane perimeter sheet over substrate surface without stretching.

Allow membrane to relax a minimum of 30 minutes before final positioning, attaching and splicing.

2. Adjust membrane sheet to final position allowing for a minimum lap width of four inches. Membrane panels shall be installed so that seams shed the flow of water in a shingle fashion.

3. Fold back half of the membrane sheet onto itself without wrinkles to expose the underside meeting surface of sheet and insulation.

4. Sweep mating surfaces with a stiff broom to remove any accumulated dusting agent or dirt.

5. Apply membrane bonding adhesive with either a solvent resistant paint roller or commercial grade adhesive sprayer. A uniform thickness of bonding adhesive shall be applied to both surfaces in accordance with manufacturer’s requirements.

6. Place membrane into adhesive in accordance to manufacturer’s requirements and standards after bonding adhesive flashes off. Roll into place to minimize wrinkles.

7. Broom membrane after placement with a stiff bristle push broom to compress membrane sheet to substrate and remove entrapped air.

8. Repeat procedure to the remaining un-adhered half of the membrane sheet.

9. Install succeeding membrane sheet in same manner allowing for a minimum four inch overlap tolerance with adjoining sheets.

10. Where possible, extend field membrane as flashing over walls, parapets, curbs, etc. Provide membrane securement as specified in this Section.

11. Install membrane into roof drains in accordance with manufacturer’s requirements.

12. Set membrane in manufacturer’s recommended sealant. Install roof drain clamping ring and tighten all bolts to provide constant compression on roof system components.

13. Cut membrane sheet within drain bowl area as recommended by roof system manufacturer. Install drain strainer/domes.

B. Membrane Seaming

School

07531 - 7

1. Fabricate membrane seams using seam tape (or splice adhesive where required) in accordance with the roof system manufacturer’s latest recommended installation procedures and requirements.

2. Broom across fabricated seams; remove wrinkles/entrapped air; ensure positive contact.

3. Hand roll across seam with two inch silicone hand roller to ensure positive contact. Roll first across the seam and then along the entire length of the seam.

4. Install a minimum six inch square patch of uncured EPDM flashing or pressure sensitive joint cover flashing membrane as recommended by the manufacturer over the joints at offsetting roll end laps. Hand roll to ensure positive contact.

5. Where roll end laps are continuous, overlay the lap with six inch wide strip of uncured EPDM flashing or pressure sensitive joint cover membrane as recommended by the manufacturer. Hand roll to ensure positive contact.

6. Check seams for continuity; leave no voids.

7. Caulk exposed leading edges with approved sealant and in accordance with the manufacturer’s requirements for seam…