Bid 2025-83 Addendum -2.pdf

Addendum Number 2

INVITATION TO BID #2025-83

Kellogg Creek WRRF Administration Building Remodel (“BID”)

ADDENDUM #2

January 8, 2026

On December 4, 2025, Clackamas County (“County”) published Invitation to Bid #2025-83 (“BID”), and subsequent Addendum #1 on December 16, 2025. The County has found that it is in the interest to amend the BID through the issuance of this Addendum #2. Except as expressly amended below, all other terms and conditions of the original BID shall remain unchanged.

1. Volume 2 – Kellogg WRRF Admin – Technical Specifications

a. Section 07 52 00 Modified Bitumen Roofing & Roof Insulation:

i. Replace with the attached section.

b. Section 08 71 00 Door Hardware:

i. Add the following after paragraph 2.02 C.3.:

4. All low voltage cabling shall adhere to the Clackamas County Standard Color Code system as follows:

• Yellow – Access Control

• White – Security

c. Section 23 05 53 Identification for HVAC Piping and Equipment

i. Add the following to PART 2 PRODUCTS:

2.7 LOW VOLTAGE WIRING.

A. All low voltage cabling shall adhere to the Clackamas County Standard Color Code system as follows:

• Brown – HVAC

d. Section 26 05 19 Low-Voltage Electrical Power Conductors and Cables

2.7 WIRE COLOR CODE

A. All low voltage cabling shall adhere to the Clackamas County Standard Color Code system as follows:

• Black – Video Cable

• Blue – Data

• Brown – HVAC

• Gray – Voice

• Orange – Emergency Notification System (Alertus)

• Red – Fire Alarm

e. Section 26 05 53 – Identification for Electrical Systems

2.6 LOW VOLTAGE WIRE COLOR CODE

A. All low voltage cabling shall adhere to the Clackamas County Standard Color Code system as follows:

• Black – Video Cable

• Blue – Data

• Brown – HVAC

• Gray – Voice

• Orange – Emergency Notification System (Alertus)

• Red – Fire Alarm

f. Section 27 05 53 – Identification for Communications Systems

i. Add the following after paragraph 2.2 A.1.:

B. All low voltage cabling shall adhere to the Clackamas County Standard Color Code system as follows:

• Black – Video Cable

• Blue – Data

• Brown – HVAC

• Gray – Voice

• Orange – Emergency Notification System (Alertus)

• Red – Fire Alarm

g. Section 27 11 16 – Communications Racks, Frames and Enclosures

2.9 PATCH CORDS (IDF/MDF)

A. Provide factory-terminated, Category 6 copper patch cords for every active port installed in the IDF racks.

B. Length: All patch cords within the IDF shall be 10 feet in length.

h. Section 27 15 00

i. Add the following to Part 2 Products:

2.5 PATCH CORDS

A. Provide one (1) factory-terminated, ten-foot long, Category 6 patch cord for every Terminal Outlet (TO) location.

i. Add the following after paragraph 2.2 A.1.:

2. Volume 3 – Kellogg WRRF Admin - Drawings

a. Sheet A101, note 9:

i. Add the following sentence to note 9 reading: “CONSULT WITH

EPOXY FLOORING MANUFACTURER ON OPTIMAL

UNDERLAYMENT MATERIALS FOR THE VARIETY OF EXISTING

SUBSTRATE CONDITIONS PRESENT (VOIDS FROM CASEWORK,

SLOPED FLOORS, ETC.). PROVIDE UNDERLAYMENT AS

RECOMMENDED BY EPOXY FLOORING MANUFACTURER.”

b. Sheet G002, General Notes

i. Add the following after note 7: 8. ALL LOW VOLTAGE CABLING

SHALL ADHERE TO THE CLACKAMAS COUNTY STANDARD

COLOR CODE SYSTEM AS FOLLOWS:

• BLACK – VIDEO CABLE

• BLUE - DATA

• BROWN – HVAC

• GRAY - VOICE

• ORANGE – EMERGENCY NOTIFICATION SYSTEM (ALERTUS)

• RED – FIRE ALARM

• YELLOW – ACCESS CONTROL

• WHITE – SECURITY

c. Sheet P111.

i. Add one counter-mounted eye wash EEW-1 at the south sink in Lab 114.

EEW-1 fixture shall be: WATERSAVER EW849 COUNTER

MOUNTED EYEWASH, ANSI Z358.1-2014, POLISHED CHROME

PLATED BRASS, SWING DOWN FROM STORAGE TO

OPERATIONAL POSITION. DUAL SPRAY HEADS, FLOW

CONTROL AND FILTER. CONFIRM HANDING AND EXACT

LOCATION WITH OWNER.

d. Sheet E301, Electrical Schedules

i. Add the following information:

UNINTERRUPTABLE POWER SUPPLY

NOTES

1) UPS SYSTEM BASIS OF DESIGN:

a. APC SMART-UPS MODULAR ULTRA

b. 10 KW/KVA CAPACITY, USING 5 KW/KVA SCALABLE

MODULES WITH NETWORK MANAGEMENT CARD

c. LITHIUM-ION BATTERY MODULE(S), MINIMUM RUN

TIME TO ALLOW GENERATOR START-UP, 12 MINUTE

HALF-LOAD, OF 5.5 MINUTE FULL LOAD.

d. RACK MOUNTED UPS AND BATTERY MODULES, HARD

WIRE TO PANEL “UPS”.

e. 120/208V SYSTEM OUTPUT WITH EXTERNAL MAKE-

BEFORE-BREAK BYPASS PANEL, TO ALLOW UTILITY

POWER TO BYPASS THE UPS SYSTEM AND FEED PANEL

“UPS” DIRECTLY.

f. INCLUDE APC FACTORY REP FIELD ASSEMBLY/START-

UP AND TRAINING.

End of Addendum #2

SECTION 07-52-50 07-52-50-1

MODIFIED BITUMEN ROOFING & ROOF INSULATION

WES Kellogg Administration Building Remodel 07-52-50-1

PART 1 – GENERAL

1.1 CONTRACT CONDITIONS

A. Work of this Section is bound by the Contract Conditions and Division 01, bound herewith, in addition to this Specification and accompanying Drawings.

1.2 EXTENT OF WORK

A. Provide where shown on Drawings over horizontal Roof Decks.

1.3 PRODUCTS INSTALLED, BUT FURNISHED UNDER OTHER SECTIONS

A. Install any Sheetmetal built into Roofing.

1.4 RELATED WORK SPECIFIED IN OTHER SECTIONS

A. Wood Blocking, & Plywood Roof Sheathing: Section 06-10-00 B. Sheetmetal Flashing & Trim: Section 07-62-00 C. Roof Accessories: Section 07-72-00

1.5 REFERENCED SPECIFICATIONS

A. Test Method for determining Aged Thermal Resistance Values (R) of Insulation: 15 year time-weighted Long Term Thermal Resistance (LTTR) average as stipulated in ASTM C-1289.

1.6 SYSTEM DESCRIPTION

A. Type: SBS Modified Bitumen System in at least two plies with Granular Surface. Install over

Rigid Thermal Insulation.

1.7 COORDINATION

A. Coordinate with other Trades affecting or affected by Work of this Section.

1.8 SUBMITTALS

A. With each Subbid proposal, submit Roofing Manufacturer's Certificate of Roofing Applicator

Approval.

B. At least 2 weeks prior to Roofing, submit to Architect, in accordance with Division 01, copy of each of the following:

1. Roofing Manufacturer's applicable Installation Specifications

2. Roofing Manufacturer's Certificate of Roofing Applicator approval

SECTION 07-52-50 07-52-50-2

WES Kellogg Administration Building Remodel 07-52-50-2

1.8 SUBMITTALS (CONT)

3. Roofing Manufacturer's Affidavit that supplied Products comply with these Specifications

4. Roofing Layout Drawing and details.

5. Insulation Layout Drawing for approval.

C. Immediately following Work completion submit to Architect:

1. Certification that Manufacturer's Representative has inspected Work prior to, during, and after Work completion, and that Work complies with these Specifications and Manufacturer's instructions.

D. In accordance with Division 01, submit the following to General Contractor for inclusion in Owner's Maintenance Manual:

1. Roofing Maintenance Warranty as specified below

2. Roofing Maintenance Instructions

1.9 QUALITY ASSURANCE

A. Fire rating: Class B. Submit evidence of exterior fire-test exposure by an approved third-party testing agency in accordance with ASTM E108 or UL790 guidelines.

B. Wind uplift rating: submit evidence by an approved third-party testing agency that the roof configuration has been tested to meet wind uplift pressures per ASCE 7-16.

C. Roof slope: finished roof slope surfaces shall be ¼” per foot (2%) minimum.

1.10 REGULATORY AGENCY REQUIREMENTS

A. Comply with Wind Uplift and other Building Code requirements if more restrictive than those specified herein. Notify Architect about differences before starting work.

B. Comply with OSHA Fall Protection Requirements.

C. Label Products indicating compliance with U.L. fire-resistive requirements specified in Building

Code.

1.11 PRE-APPLICATION MEETING

A. Prior to roofing, and in accordance with Division 01, Roofer shall arrange Meeting to clarify any questions about Specifications, details, and application requirements.

B. Representatives of the following shall attend:

1. General Contractor

2. Roof Deck Subcontractor

3. Roofing Subcontractor

4. Sheetmetal Flashing & Trim Subcontractor

SECTION 07-52-50 07-52-50-3

WES Kellogg Administration Building Remodel 07-52-50-3

1.12 PRODUCT DELIVERY

A. Deliver Material in original Packages with Manufacturer's legible Labels thereon.

1. Labels to include reference of product and manufacturing compliance to ASTM.

1.13 PRODUCT STORAGE & HANDLING

A. Protect against damage, moisture, and extreme temperature.

B. Store Roof Insulation and Roofing above ground on Pallets; store Roll Goods on end.

C. Cover stored materials with Canvas Tarpaulin; do not use Plastic Sheeting.

D. Protect Foam Insulation against Fire and direct Sunlight exposure.

E. Protect Foam Insulation edges against crushing and breaking.

F. Do not stack Foam Insulation higher than 8 ft.

G. Maintain clear aisle space between Foam Insulation Stacks to facilitate Fire Suppression.

H. Weight Foam Insulation as required to prevent wind-induced damage.

I. Do not overload Building with Stored Materials, including Aggregate Covering.

1.14 ENVIRONMENTAL CONDITIONS DURING INSTALLATION:

A. Minimum Air & Surface Temperature: Sufficiently high that Asphalt temperature is not lowered below its Equiviscous Temperature Rating.

B. Perform no work during wet weather, or until Work Surfaces have sufficiently dried from effects of such weather.

1.15 UNUSUALLY INCLEMENT WEATHER

A. If unusually Inclement Weather, which could not reasonably be anticipated, is encountered causing Project Work to be delayed, Owner may authorize installation of Temporary Roofing.

B. Contractor will be paid for any proven additional cost incurred by installing and, if necessary, removing Temporary Roofing.

1.16 WORK PHASING

A. Unless otherwise approved by Architect and Roofing Manufacturer complete Work started in any

1 day.

B. If approval to delay work is granted, perform the following prior to resuming Roofing:

1. Verify that Existing Assembly is sound, flat, clean, and dry.

2. Before installing additional Roofing, correct, to Architect's and Roofing Manufacturer's satisfaction, any unacceptable conditions caused by faulty Materials or Workmanship, or if necessary remove and replace existing Assembly, all at no additional cost to Owner.

3. Before installing additional Roofing, apply Primer over existing Surfaces; follow Manufacturer's directions.

SECTION 07-52-50 07-52-50-4

WES Kellogg Administration Building Remodel 07-52-50-4

1.17 ADVANCE NOTICES

A. Notify Architect and Roofing Manufacturer at least 2 working days before starting work.

1.18 WORK WARRANTY

A. Roofing and Flashings are subject to 2 year Warranty called for in Division 00.

B. Roofer is responsible for proper placement of Metalwork, which has been provided by other

Trades, and is in contact with Roofing.

1.19 WARRANTY BOND

A. Submit Manufacturer's No Dollar Limit Warranty & Surety Bond, which provides labor and materials necessary to maintain Roof in watertight condition for 25 years following date of Project Substantial Completion.

B. Include Standard Flashing Endorsement.

C. Submit to Owner in accordance with Division 00 & 01

1.20 MAINTENANCE WARRANTY

A. Prior to Final Project Acceptance and in accordance with Division 00 & 01 submit the following

Maintenance Warranty for inclusion in Owner's Maintenance Manual:

1. We, the Undersigned, do hereby warrant for 2 years following Project Substantial

Completion date all Modified Bitumen Roofing, Roof Insulation, Base Flashing, and related Sheetmetal Flashing against failure due to defective materials and/or workmanship, for System to remain watertight, and to repair or replace without additional cost to Owner any water leaks and resulting damage to Building Materials and/or Building Contents as may occur under normal usage within Warranty Period.

a. ROOFER: ____________________________

b. By: ___________________________

c. GENERAL CONTRACTOR: ___________________________

d. By: ___________________________

1.21 INSTALLER QUALIFICATIONS

A. Installer shall be authorized by system manufacturer to install specified roofing materials.

B. Installer shall have completed at least 3 projects of similar scope using the same or similar materials specified.

C. Contractor shall provide full time, on-site superintendent or foreman experienced with the specified roofing from beginning through satisfactory project completion.

D. Applicators shall be skilled in the application of roofing systems similar in nature to the specified system.

E. Submit Manufacturer's No Dollar Limit Warranty & Surety Bond, which provides labor and materials necessary to maintain Roof in watertight condition for 25 years following date of Project Substantial Completion.

F. Include Standard Flashing Endorsement.

G. Submit to Owner in accordance with Division 00 & 01

SECTION 07-52-50 07-52-50-5

WES Kellogg Administration Building Remodel 07-52-50-5

PART 2 - PRODUCTS

2.1 ROOFING MEMBRANE SYSTEM

A. Manufacturer: Siplast, Soprema or approved B. Type: Multi-ply reinforced Styrene-Butadiene-Styrene (SBS) modified asphalt bitumen roofing membrane system:

1. Complete watertight assembly including all components of the entire Roofing System.

2. Top and Base Ply: glass fiber mat and glass fiber reinforced scrim, thicknesses and number of plies as required to achieve warranty. All system components to be provided from a single source.

3. Foil faced base flashings

2.2 VAPOR /AIR BARRIER

A. Material: self-adhesive laminated air barrier/vapor retarder membrane with polyethylene facer.

B. Material recommended by roofing manufacturer for compatibility with Roofing System C. Type: Self-Adhering to plywood substrate D. Thickness: 30 mils (0.76mm) minimum per ASTM D1970 or D5147 E. Tear strength: 94 lbf per ASTM D5147 F. Water vapor permeance: 0.04 perms maximum per ASTM E96 G. Air permeability: 0.01 L/s m2 per ASTM E2178 H. Primer as required by manufacturer for roof deck conditions.

2.3 INSULATION STOPS

A. Material: Solid Softwood Lumber B. Thickness: Match Insulation C. Minimum Width: 1-1/2 inches D. Preservative Treatment: AWPA C-2 using Water-borne Preservatives

2.4 ROOF INSULATION

A. Manufacturer & Brand: Contractor's choice, compatible with roofing manufacturer’s system.

B. Insulating Material: Rigid Closed cell Polyisocyanurate Foam with glass reinforced facer.

C. Type: HCFC-free with zero Ozone-depletion D. Manufacturing Standard: ASTM C-1289, Type II, Class 1 E. Minimum Compressive Strength: 20 psi F. Layers: Two minimum G. Type: Free of CFC's & HCFC's H. Top Surface Shape: Tapered I. Thickness: 2.6” minimum, as needed to achieve R-value.

SECTION 07-52-50 07-52-50-6

WES Kellogg Administration Building Remodel 07-52-50-6

2.5 PRIMERS

A. Asphalt primer meeting ASTM D41 criteria.

B. Self-adhesive membrane primer formulated to condition wood and plywood surfaces to facilitate adhesion of self-adhering membrane, as recommended by membrane manufacturer.

2.6 INSULATION COVER BOARD

A. Manufacturer & Brand: Similar to G-P DensDeck Roof Board as recommended by roofing manufacturer for compatibility with System.

B. Water Resistant: ASTM C 1177 / C 1177M C. Cold Applied D. Thickness: 1/4 inches minimum E. Flame Spread Rating: 0 F. Smoke Development Rating: 0 G. Maximum ASTM C-473 Water Absorption by weight: 5% H. Maximum ASTM C-473 Surface Water Absorption: 1 gram I. Extent of Work: Provide over Thermal Insulation to receive Roofing.

2.7 ADHESIVES - COLD

A. Materials: Blend of asphalts and quick drying solvents B. Compatible with Roofing system C. Meets or exceeds ASTM D4479, Type II requirements.

2.8 CRICKET FORMING BOARD

A. Material: Polyisocyanurate Insulation Board compatible with system.

B. Minimum Density: 1-1/2 pcf C. Shape: Tapered 1/2 inch per ft., minimum.

D. Extent of Work: Provide where necessary to form Roof Slope Crickets.

2.9 FIBER CANT STRIPS

A. Material: Contractor’s choice satisfying conditions of use.

B. Shape: Triangular, with face sloped 45º maximum.

C. Size: 4 inches vertically and 4 inches horizontally D. Extent of Work: Provide at Roofing intersections with Vertical Surfaces, if any.

SECTION 07-52-50 07-52-50-7

WES Kellogg Administration Building Remodel 07-52-50-7

2.10 FASTENERS

A. Type, Material, & Size: Recommended by Manufacturer of Material being fastened and satisfying

Regulatory Agency requirements. Note: If and where underside of Roof Sheathing is exposed to view, provide short Fasteners that will not project and be visible from below.

2.11 PRIMER

A. Material: as required by roofing manufacturer.

2.12 TRAFFIC PADS

A. Manufacturer & Brand: Roofing Manufacturer’s Choice.

B. Material: Modified Bitumen type Compatible with Roofing System C. Thickness: Approximately 3/8 inches D. Extent of Work: Provide on Roof surface in 30 inch minimum wide strip around Roof-mounted

Mechanical Equipment requiring maintenance and where necessary to connect Equipment with Roof Access Hatch, where shown on Drawings.

2.13 OTHER MATERIALS

A. Manufactured or recommended by Roofing Manufacturer for conditions of use.

PART 3 - EXECUTION

3.1 EXISTING CONDITIONS

A. Do not proceed until Work which penetrates Roof Deck has been completed.

B. Do not proceed until Surfaces to receive Insulation are smooth, sound, clean, dry, and free of defects. Sweep or vacuum all surfaces, removing all loose aggregates and foreign substances.

C. Do not proceed until Roof Drain Outlets are sufficiently below Roof Deck surface to permit free flow of Water into Drains.

D. Prior to starting Work, notify General Contractor about defects requiring correction.

E. Do not start Work until conditions are satisfactory.

F. Should any suspected Asbestos Roofing to be removed be encountered perform the following:

1. Immediately notify Architect and Dept. of Environmental Quality.

2. Comply with Architect's instructions and Regulatory Agency requirements.

3. Owner will employ Testing Lab to confirm Asbestos presence.

4. Perform no work that could spread suspected Asbestos Fibers.

5. If Laboratory Tests confirm Asbestos presence; Owner will remove, contain, or encapsulate Asbestos; and will issue a Change Order which will increase Contract Sum for any proven additional cost to Contractor and will extend Contract Completion Date for any proven Contractor's lost time.

SECTION 07-52-50 07-52-50-8

WES Kellogg Administration Building Remodel 07-52-50-8

3.2 PROTECTION

A. Protect Work of other Sections against damage and discoloration caused by Work of this Section.

B. Prevent Bitumen, Aggregate, or Debris from entering and clogging Roof Drainage System.

C. Protecting Unfinished Work:

1. Before stopping Work for day, protect Insulation with one or more plies of Roofing covered with Bitumen Glaze Coat.

2. Protect unfinished Roofing with Glaze Coat.

D. Notify General Contractor to protect Roofing against damage caused by any Roof-top Work performed after completion of Roofing Work.

3.3 EXISTING ROOFING REMOVAL

A. Before re-roofing, remove existing Roofing and insulation down to Structural Deck.

B. Allow no leaks into existing Building. If leaks should occur, repair or, when directed, replace any damaged Building Materials or Contents.

C. Notify Architect about any necessary repairs to or replacement of Structural Deck.

D. If repairs or replacement are required, Owner will issue Change Order authorizing Work to be performed, and Contract Sum and Contract Time will be adjusted accordingly.

E. If repairs or replacement are required, delay re-roofing until preparatory work is completed.

3.4 SHEATHING INSTALLATION

A. Mechanically fasten to Substrate in accordance with Regulatory Agency requirements.

3.5 WORK SURFACE CLEANING

A. Prior to roofing, remove from Surfaces to receive Roofing any Debris, Obstructions, Dirt, Grime, Ice, Snow, or Moisture.

3.6 CONTROL JOINT INSTALLATION

A. Follow Joint Manufacturer's and Roofing Manufacturer's installation instructions.

3.7 VAPOR / AIR BARRIER INSTALLATION

A. Apply continuous control layer, with primer.

B. Seal side and end laps per manufacturer recommendations C. Seal at roof perimeter interface, adjoining wall and parapet D. Avoid trapping moisture within Roof Assembly

SECTION 07-52-50 07-52-50-9

WES Kellogg Administration Building Remodel 07-52-50-9

3.8 NAILER & INSULATION STOP INSTALLATION

A. Apply over Vapor/Air Barrier and secure to Deck with Fasteners.

B. Required Where necessary to secure Roofing.

C. Required Insulation Stop Locations:

1. At Insulation perimeter.

2. Around vertical Projections through Insulation.

3. Perpendicular to Roof slope and spaced to fit between Insulation Panels.

3.9 INSULATION INSTALLATION

A. General:

1. Following Roofing Manufacturer and Insulation Manufacturer installation instructions for compatibility.

2. Apply in dry condition in accordance with Manufacturer's instructions.

3. Apply in layers to specified thickness, faced upward.

4. At Taped Insulation: Align Joints to be taped continuous in both directions.

5. At Untaped Insulation: Position long sides of Insulation perpendicular to Felt direction, and with continuous joints. Stagger adjacent transverse joints.

6. Neatly cut and fit Insulation at Roof edges and at any vertical Projections through

Insulation.

7. Maximum open space between Insulation sheets: 1/8 inch.

8. Miter Insulation at any Ridges.

9. Do not damage Insulation edges during installation.

B. At Nailable Decks:

1. Secure Insulation to Deck with Fasteners staggered on 16 inch centers on lines 16 inches from each edge and along center of each Insulation Panel.

2. Do not puncture Insulation Skin.

C. At Multiple Layered Installations:

1. Stagger Joint locations between adjacent Layers at least 8 inches.

2. Adhere Upper Layers to Base Layers with 30 lbs. per 100 sq. ft. of uniformly applied hot

Bitumen.

D. At Tapered Insulation:

1. Maintain the following:

a. 1/4 inch per ft. minimum slope at Valleys.

b. Minimum specified thickness at Roof Drains.

2. Provide tapered, Fiber Edge Strip at any exposed Insulation edges.

E. Taping:

1. Apply Insulation Joint Tape over joints between adjacent Insulation panels, and over any Fastener Heads which puncture Insulation Skin.

2. Minimum Tape End Laps: 4 inches

3. Embed Tape in 8 to 12 lbs. of uniformly applied hot Bitumen per 100 sq. ft. of Tape.

F. At Roof Drains:

1. Taper top layer of Insulation for 24 inches around and toward Drain.

SECTION 07-52-50 07-52-50-10

WES Kellogg Administration Building Remodel 07-52-50-10

3.10 FIBER CANT STRIP INSTALLATION

A. Cement to Deck and any vertical Backing.

3.11 ROOFING INSTALLATION

A. General:

1. The following Referenced Specifications are minimal. Complete System to be installed per selected roofing manufacturers written recommendations for installation. Systems supplied by Manufacturers listed above that are of same types and methods of installation may be substituted without specific approval. Non-matching Systems, and matching Systems supplied by other Manufacturers, must be approved prior to in accordance with requirements specified in Division 00 & 01, to be considered.

B. Over Nailable Deck: Plywood sheathing over existing T&G wood decking.

C. Application Method:

1. Install Self-Adhering Air / Vapor Barrier over substrate.

2. Install Base Ply in full coverage with manufacturer approved cold adhesive

3. Install additional ply’s and flashing sheets per manufacture with cold adhesive.

D. General Installation Requirements:

1. Comply with Manufacturer's written instructions.

2. At Roof Decks sloping less than 2 inches per ft.: Place Roofing parallel to long dimension of Roof.

E. Temporary Terminations

1. Limit Roofing installation to areas that can be made “weather-tight” by the end of each day’s work by waterproofing Temporary Terminations, Edges, and Penetrations.

2. Prior to resuming Project Work, remove Temporary Terminations.

F. Seam Inspection:

1. Immediately following Roofing application probe all Seams, including End Laps, with Steel Trowel to discover any unsealed Seams.

2. Repair any unsealed Seams per manufacturer’s written recommendations.

3.12 TRAFFIC PAD INSTALLATION

A. Install prior to graveling, over Membrane Protection Sheet in accordance with Membrane

Manufacturer's instructions.

B. Space Pads approximately 6 inches apart to permit unrestricted flow of Roof Water.

SECTION 07-52-50 07-52-50-11

WES Kellogg Administration Building Remodel 07-52-50-11

3.13 APPLICATION OF FLASHING

A. Modified Bitumen Flashing System: Apply base flashing materials in accordance with the manufacturer’s standard details. Notify the design team immediately of any flashing heights below 8 inches. For torch applied base flashings, apply a 12-inch self-adhesive cant backing sheet extending 6 inches onto the field of the roof area and a minimum of 6 inches up the vertical surface utilizing minimum 3 inch laps. Set the non-combustible cant into place dry prior to installation of the roof membrane base ply and subsequent flashing system. Flash walls and curbs using the reinforcing sheet and flashing membrane. Exert pressure using a neoprene roller on the flashing sheet during application to ensure complete contact with the vertical/horizontal surfaces, preventing air pockets. Check and seal all loose laps and edges. Nail the top edge of the flashing on 9 inch centers. (See the manufacturer's schematic for visual interpretation).

3.14 APPLICATION OF SEALANT

A. Apply a smooth continuous bead of sealant at the exposed finish ply edge transition to metal flashings incorporated into the roof system.

3.15 WORK INSPECTION

A. Inspect for, and if found, replace any Weathering Surfaces damaged by excessive heat.

B. Inspect completed Work each day before leaving Jobsite.

C. Request Manufacturer’s representative to inspect completed work and provide written statement that Roofing is installed as recommended per manufacturer’s requirements.

3.16 WARRANTY REINSPECTION

A. Before expiration of Warranty, reinspect Work and make necessary repairs at no additional cost to Owner.

3.17 WASTE MANAGEMENT

A. In accordance with Division 01 Collect and place Scraps, Pallets, and Packaging Waste where directed for recycling.

3.18 PRODUCT CLEANING & REPAIRING

A. Including Work of other Trades, clean, repair and touch-up, or replace when directed, Products which have been soiled, discolored, or damaged by Work of this Section.

B. Remove Insulation Waste from Project Site daily.

C. Remove Debris from Project Site upon Work completion, or sooner if directed.

END OF SECTION