D006425 Addendum 1.pdf

Kathy Hochul Kathy Moser John Honan Governor Acting Commissioner Western Capital District Manager

New York State Office of Parks, Recreation and Historic Preservation - Niagara Region PO Box 1132, Niagara Falls, NY 14303 (716) 278-1770 www.nysparks.com

ADDENDUM 1

JOB NAME AND PROJECT NUMBER

Letchworth State Park Entrance Monuments and Paving General D006425

DATE: October 10, 2025

ALL BIDDERS SUBMITTING A BID FOR THE ABOVE-NAMED PROJECT SHALL TAKE NOTE OF THE

FOLLOWING CHANGES, ADDITIONS, INTERPRETATIONS, CLARIFICATIONS, ETC. IN CONNECTION WITH THE DRAWINGS AND SPECIFICATIONS AND OTHER BID DOCUMENTS. THE FOLLOWING INSTRUCTIONS HAVE PRECEDENCE OVER ANYTHING CONTRARILY SHOWN ON THE DRAWINGS OR DESCRIBED IN THE SPECIFICATION DOCUMENTS, AND ALL SUCH INFORMATION SHALL BE TAKEN INTO CONSIDERATION AND BE INCLUDED IN THE BIDDERS BID AMOUNT. ACKNOWLEDGE RECEIPT OF THIS ADDENDUM BY INSERTING ITS NUMBER AND DATE IN THE SPACE PROVIDED IN THE BID FORM. FAILURE TO DO SO

MAY SUBJECT BIDDER TO DISQUALIFICATION.

Summary of Addendum Items:

ITEM #1 - The bid opening date has been updated for this contract-

• New bid opening date: Tuesday, October 21, 2025.

Sealed bids shall be sent via email to western.capital.procurement@parks.ny.gov.

• Deadline for bid submission is 9:30 AM local time, 10/21/25 and will be publicly opened and read via Webex at 10:00 AM local time, 10/21/25.

• The Bid opening will be conducted ONLY via WebEx at the link listed below:

https://meetny-gov.webex.com/meetny-gov/j.php?MTID=m6dde51000d1af62a3b843a14287ba07f

• Also please be reminded of the Contractor Registry Requirement: Newly established subsection 220-i to NYS Labor Law Article 8 requires contractors and subcontractors to register with the Bureau of Public Work and Prevailing Wage Enforcement for public work. Contractors must complete registration prior to bidding on public work projects covered under Article 8 of Labor Law. Bidders must prove they are registered at the time of bid opening by submitting a digital copy of their company’s registration certificate with their bid. Failure to provide the registration certificate at bid opening will result in automatic disqualification. The apparent low bidder will additionally be held responsible to provide copies of registration certificates for all subcontractors on their approved Utilization Plan before subcontractors commence work.

ITEM #2 - Included with Addendum 1 are the pre-bid meeting agenda and sign-in sheet held on October 2, 2025 at the Letchworth State Park Visitor Center Conference Room.

http://www.nysparks.com/ https://meetny-gov.webex.com/meetny-gov/j.php?MTID=m6dde51000d1af62a3b843a14287ba07f

New York State Office of Parks, Recreation and Historic Preservation - Niagara Region PO Box 1132, Niagara Falls, NY 14303 (716) 278-1770 www.nysparks.com

ITEM #3 – The following sheets listed below shall supersede and replace the previously issued sheets and are hereby incorporated to the bid documents. Bidders shall utilize these revised sheets in the preparation of their bids.

Sheet Number Drawing Page Title L003A General Arrangement Plan L118A Existing Conditions Plan

LD116A Site Demolition and Preparation Plan LD117A Site Demolition and Preparation Plan LD118A Site Demolition and Preparation Plan L516A Site Signage Plan L522A Site Signage Plan L523A Site Signage Plan L526A Site Signage Plan L527A Site Signage Plan L528A Site Signage Plan L529A Site Signage Plan L530A Site Signage Plan L531A Site Signage Plan L532A Site Signage Plan L601A Site Details

ITEM #4 – The following spec sections listed below shall supersede and replace the previously issued spec sections in the project manual and are hereby incorporated to the bid documents. Bidders shall utilize these revised spec sections in the preparation of their bids.

Spec. Section No. Title 044313 Anchored Masonry Veneer 101400 Exterior Sign 101426 Post and Panel Signage

ITEM #5 – The work restrictions for planting have been updated as follows:

Spring Planting Period for Bare Root Trees March 15th – May 15th

Fall Planting Period for Bare Root Trees September 15th – November 15th

New York State Office of Parks, Recreation and Historic Preservation - Niagara Region PO Box 1132, Niagara Falls, NY 14303 (716) 278-1770 www.nysparks.com

ITEM #6 – The following is a list of RFI questions and responses related to this project:

1. RFI #1 Question:

Are posts pressure treated or cedar?

Response: ALL wooden posts shall be cedar. Please refer to the revised site detail sheets and Spec Section 101426- Post and Panel Signage, included in this Addendum.

2. RFI #2 Question:

Drawing No: L528 and L529

Regarding the vertical clearance structures-- are there any specific metal sleeve supports, industrial hinges, or post base? Or is this all shop-build?

Response: No specific hardware is proposed but metal supports to be painted galvanized steel per the details on revised sheet L529A, included in this addendum.

The contractor shall submit shop drawings for approval that is consistent with the design intent shown on the details provided.

3. RFI #3 Question:

Drawing No: L530 and L531 Spec Section: 101426-4 and 5

Sheet 530 calls for both pressure treated and cedar posts. Sheet 531 calls for treated wood. Part 2.4 B on 101426-4 in the spec book calls for black rectangular aluminum posts. What should we be accounting for in our bid?

Response: ALL wooden posts shall be cedar. There will be no black rectangular aluminum posts included in this contract. Please refer to the revised site detail sheets and Spec Section 101426- Post and Panel Signage, included in this addendum.

4. RFI #4 Question:

Drawing No: L602 and LD115

There are flagpole details on sheet L602. The only place a flagpole is mentioned is on sheet LD115, where one needs to be taken out. Are we installing one elsewhere?

Response: A new flagpole will be installed next to the Visitor Center sign. Please refer to revised layout drawing L215, included in this addendum.

5. RFI #5 Question:

Drawing No: L526, L527 and L528

New York State Office of Parks, Recreation and Historic Preservation - Niagara Region PO Box 1132, Niagara Falls, NY 14303 (716) 278-1770 www.nysparks.com

The stone sign sub-base foundation is shown to be block. Can we use a poured concrete foundation instead of block?

Response: Yes—please also refer to revised foundation details, included in this addendum.

6. RFI #6 Question:

Spec Section No: 044313-2

Regarding monument mockups—On part 1.6D in section 044313-2 of the spec book, two (2) full-size mockups are required for inspection. Can you elaborate on this? This will have a large impact on quotes, are we to include that in bids?

Response: The contractor shall be required to build one (1) full-size mockup to demonstrate aesthetic effects and set quality standards for materials and execution of the cap, stone veneer, and veneer anchors. The mockup shall be approved by the Owner’s Representative before work can continue. The mockup may become part of the finished work if approved and no additional work will be necessary. Please refer to revised Spec Section 044313- Anchored Masonry Veneer for more information, included in this addendum.

7. RFI #7 Question:

Spec Section No: 044313-1

On Section 044313-1, part 1.2A lists two 36” dia. bronze medallions and two radial granite wall plaques with lettering. Are there any drawings for these? What are they supposed to say and where do they get installed?

Response: There will be no bronze medallions and plaques as part of this contract.

Please refer to revised Spec Section 044313- Anchored Masonry Veneer for more information, included in this addendum.

8. RFI #8 Question:

DOT standard panels are .080 thick, not .250 thick. Is .080 acceptable?

- The traffic signs will be .080 thick but the directional signs will be .250 thick.

Response: Traffic signs shall be .080 thick and the directional signs shall be .250 thick. Please refer to the revised signage schedules on sheet L531A and L532A,

9. RFI #9 Question:

The specs call for engineer grade vinyl, the drawings call for diamond grade vinyl. Can the directional signs have engineer grade reflective vinyl and the traffic signs have diamond grade?

New York State Office of Parks, Recreation and Historic Preservation - Niagara Region PO Box 1132, Niagara Falls, NY 14303 (716) 278-1770 www.nysparks.com

Response: ALL directional signs shall have diamond grade reflective vinyl for ALL text and symbols.

10. RFI #10 Question:

Can the angle for mounting the panels to posts be aluminum? Having them stainless steel will lead to corrosion and effect the warranty.

Response: Angle for mounting to be aluminum. Please refer to revised detail sheets, END OF ADDENDUM 1

Letchworth State Park Entrance Monuments and Paving 1 Letchworth State Park, Castile NY 14427

Pre-Bid Meeting Agenda Project No. D006425 - General Construction Meeting Date: October 2, 2025, at 10am Location: Letchworth State Park, Visitor Center Conference Room

1. Introductions

2. Project Scope:

• Site preparation, demolition, and removals

• Installation of temporary facilities and controls

• Installation of temporary soil erosion and control measures

• Earthwork and grading

• Installation of concrete pavement and curbing

• Milling and overlaying of asphalt

• Full-depth asphalt repairs

• Pavement markings and striping

• Masonry

• Electrical work

• Signage (MUTCD, Wayfinding and Monument)

• Planting

• Site restoration and seeding

• Other Work indicated in the Contract Documents

3. Proposed Construction Schedule (Project Completion is 365 days from Contract Approval by the NYS Comptroller’s Office)

• 12/25: Estimated Contract Approval & Construction Start

• 11/26: Estimated Substantial Completion

• 12/26: Estimated Contract End Date

4. Type of Contract: Lump Sum Prime Contract

5. Estimated Contract Value: $1,366,390 - $1,848,646

6. Overview of the Project Manual and Drawings:

D006425 General Construction

• Notice to Bidders

• Bid Form (Contractors to submit their Bids on the respective Bid Form as provided)

• Bid Security: $80,376

• Project Allowance: $76,549

• Liquidated Damages: $1,750 for each day of project delay

• MWBE Goals (9% MBE / 21% WBE) and Service- Disabled Veteran Owned

Business Goals (6% SDVOB)

• Wage Rates (this is a prevailing wage rate job)

• Contractor Registry Requirement- Newly established subsection 220-i to NYS Labor Law Article 8 requires contractors and subcontractors to register with the Bureau of Public Work and Prevailing Wage Enforcement for public work.

Contractors must complete registration prior to bidding on public work projects covered under Article 8 of Labor Law. Bidders must prove they are registered at the time of bid opening by submitting a digital copy of their company’s registration certificate with their bid. Failure to provide the registration certificate at bid opening will result in automatic disqualification. The apparent low bidder will additionally be held responsible to provide copies of registration certificates for all subcontractors on their approved Utilization Plan before subcontractors commence work.

• Pursuant to Public Building Law § 8(6), any contracts over $5,000 for the work of construction, reconstruction, alteration, repair, or improvement of any State building, a responsible and reliable NYS-certified Minority or Women-Owned Business Enterprise that submits a bid within ten percent of the lowest bid will be deemed the apparent low bidder provided that the bid is $1,677,139 or less (maximum amount has been adjusted for inflation effective January 1, 2025). If more than one responsible and reliable MWBE firm meets the requirements, the MWBE firm with lowest bid will be deemed the apparent low bidder.

• Alternates: None

7. General Information:

a) Required permits and coordination:

• After contract award, the contractor shall be required to apply for a NYSDOT Use and Occupancy and Highway Work Permit issued by the NYSDOT Commissioner of Transportation or her duly assigned agent, in accordance with New York State Highway Law, Article 3, Section 52 for work at the Mt. Morris and Portageville Entrances NYSDOT R.O.W. The contractor shall submit necessary requirements and insurances as part of the application process and shall coordinate with NYS parks on the following permit application.

• Due to the archaeological sensitivities at the Mt. Morris Entrance location, an archaeological monitor will be hired by NYS Parks to be present during ALL signage and tree installations. The contractor shall also be required to use a mini excavator or augers for this work and must coordinate the schedule with NYS Parks to ensure that an archaeological monitor is available for monitoring.

b) Bidders are reminded to thoroughly review the drawings and specifications to obtain a complete understanding of the entire project scope. Existing restrictions and regulations will not be considered as grounds for additional cost over bid price.

• Instructions to Bidders

• Spec. Section 011000 – Summary o Project information o Work covered by Contract Documents o Contractor's use of site and premises o Work restrictions

Spring Planting Period for Bare Root Trees March 15th – May 15th

Fall Planting Period for Bare Root Trees September 15th – November 15th

Seeding March 16th – September 30th

Paving March – July 2nd

Paving at Mt. Morris Entrance March to May 21st

No tree clearing and removal April 1st – October 31st o Specification and Drawing Conventions o Miscellaneous provisions

• Spec Section 01 81 13.01- Environmental Product Declaration (EPD) and Clean

Concrete Requirements o Contractor shall be required to submit Environmental Product Declarations

(EPDs) when available, that include the amount of embodied carbon in given building materials such as asphalt and concrete, along with the quantities of these materials used in the construction project.

c) RFI Schedule:

• RFI’s are due on 10/7/25 at 4pm. RFI’s received after this time and date will not be processed and bidders will have to bid the project as documented.

• Questions as they relate to the Contract documents are to be forwarded via e-mail to Eleanor Gaddi (eleanor.gaddi@parks.ny.gov) on the RFI Form provided in the project manual.

• The RFI response will be communicated by Addendum to all bidders who have obtained drawings and specifications.

d) Bid Opening:

• Sealed bids shall be sent via email to western.capital.procurement@parks.ny.gov.

• Deadline for bid submission is 9:30 AM local time, 10/16/25 and will be publicly opened and read via Webex at 10:00 AM local time, 10/16/25.

• The Bid opening will be conducted ONLY via WebEx at the link listed below:

https://meetny-gov.webex.com/meetny-gov/j.php?MTID=m6dde51000d1af62a3b843a14287ba07f mailto:eleanor.gaddi@parks.ny.gov mailto:western.capital.procurement@parks.ny.gov

D006425 Entrance Monuments and Paving Letchworth State Park

ANCHORED STONE MASONRY VENEER 044313 - 1

SECTION 044313 – ANCHORED STONE MASONRY VENEER

PART 1 – GENERAL

1.1 RELATED DOCUMENTS

A. All of the Contract Documents, including General and Supplementary Conditions and Divi-sion 1 General requirements, apply to the work of this Section and are hereby made a part of this Section.

B. Examine all Drawings and other technical Sections of the Specifications for requirements therein affecting the work of this section.

1.2 SECTION INCLUDES:

A. Furnish and provide all labor, material equipment and services necessary to complete the installation of stone masonry veneer as indicated on the drawings and as specified herein.

Provide materials, labor, equipment and services necessary to furnish, adapt and install all work of this section as shown on the Construction Documents and/or as required by job conditions, including, but not limited to the following:

1. Stone Columns: Stone masonry veneer anchored to reinforced concrete piers.

2. Stone Walls: Stone masonry veneer anchored to reinforced concrete foundation walls.

1.3 RELATED SECTIONS:

Section 033000 – Cast-in-Place Concrete for reinforced concrete foundation walls and footings.

1.4 FIELD CONDITIONS

A. Protection of Stone Masonry: During construction, cover tops of walls, projections, and sills with waterproof sheeting at end of each day's work.

B. Cold-Weather Requirements: Do not use frozen materials or materials mixed or coated with ice or frost. Do not build on frozen substrates. Comply with cold-weather construction requirements contained in ACI 530.1/ASCE 6/TMS 602.

1. Cold-Weather Cleaning: Use liquid cleaning methods only when air temperature is 40 deg F and above and will remain so until masonry has dried.

C. Hot-Weather Requirements: Comply with hot-weather construction requirements contained in

A. ACI 530.1/ASCE 6/TMS 602.

1.5 SUBMITTALS

A. Product Data: For each variety of stone, stone accessory, and manufactured product.

1. For stone varieties proposed for use on Project, include test data indicating com-pliance with physical properties specified or as required by applicable ASTM standards.

ANCHORED STONE MASONRY VENEER 044313 - 2

B. Samples for Initial Selection: For colored mortar and other items involving color selection.

C. Samples for Verification:

1. The contractor shall provide one (1) full-size sample for each size and color of stone. Samples will establish the standard by which stone provided will be judged.

2. For each color of mortar required. Label Samples to indicate types and amounts of pigments used.

D. List of Materials Used in Constructing Mockups: List generic product names together with manufacturers, manufacturers' product names, sources of supply, and other in-formation as required to identify materials used. Include mix proportions for mortar and source of aggregates.

E. Qualification Data: For Qualified Installer.

1.6 QUALITY ASSURANCE

A. Installer Qualifications: A qualified installer who employs experienced stone masons and stone fitters with a minimum of 10 years experience.

B. Source Limitations for Stone: Obtain each variety of stone, regardless of finish, from one quarry with resources to provide materials of consistent quality in appearance and physical properties.

C. Source Limitations for Mortar Materials: Obtain mortar ingredients of a uniform quality, including color for exposed masonry, from single manufacturer for each cementitious component and from single source or producer for each aggregate.

D. Mockups: Build mockups to demonstrate aesthetic effects and set quality stand-ards for materials and execution.

1. Build one (1) full-size mockup as indicated on the drawings and in Part 3 - Execu-tion, including cap, stone veneer, and veneer anchors. Mock-up shall be approved by Owner’s Representative before stone work continues. Mock-ups may become part of the finished work if approved.

2. Protect accepted mockups from the elements with weather-resistant membrane.

3. Approval of mockups is for color, texture, stone sizes, and blending of stone; rela-tionship of mortar color to stone colors; joint size and tooling; and aesthetic quali-ties of workmanship.

4. Stone colors and sizes shall be confirmed in writing prior to wall mockups by the Director’s Representative and the Landscape Architect.

5. Approval of mockups by the Director’s Representative and the Landscape Archi-tect are required prior to the purchase of the final materials.

6. Approval of mockups is also for other material and construction qualities the Di-rector’s Representative specifically approves in writing.

7. Approval of mockups does not constitute approval of deviations from the

ANCHORED STONE MASONRY VENEER 044313 - 3

Contract Documents contained in mockups unless the Director’s Representa-tive specifically approves such deviations in writing.

8. The contractor shall incorporate all the above requirements into meeting the pro-posed project schedule.

E. Pre-installation Conference: Conduct conference at project site.

PART 2 – PRODUCTS

2.1 GENERAL REQUIREMENTS – BASIS OF DESIGN

A. The products, composition, and material of the stone masonry cap and river stone shall match the visual character of the previously installed walls at the Lower Falls corridor at Letchworth State Park.

2.2 STONE

A. Natural Stone

1. Material Standard: Comply with ASTM C 615.

2. Product: “Creekstone Wallstone” Maple Creek Flats as manufactured by Yukon Val-ley Natural Stone or approved equal

3. Dimensions:

1.) Irregular stone pattern, approximately 4” to 24” diagonals/ 1”-3” and 3”-6” thick

4. Texture-Finish: Split face with a rock pitch edge.

5. Characteristics: Colors vary and shall be of the following colors: Gray, brown and yellow

6. Subject to the requirements and characteristics stated herein, suppliers offering products that may be incorporated into the work include, but are not limited to the following:

a. Yukon Valley Natural Stone, 1516 Route 5 & 20, Geneva, NY 14456, (585)-560-1131 https://www.yukonvalley.com/

b. Adirondack Natural Stone, LLC 8986 State Route 4 Whitehall, New York 12887 (518) 499-0602 www.adirondacknaturalstone.com

c. Chippewa Stone Building and Landscaping Stone 3 Ryder Road Whitehall, New York 12887 (518) 499-9090 http://www.adirondacknaturalstone.com/

ANCHORED STONE MASONRY VENEER 044313 - 4

www.chippewastone.com

d. Swenson Granite Works 292 South Main Street Route 25 Newtown, Connecticut 06470

(203) 270-6477 www.swensongranite.com

2.3 MORTAR MATERIALS

A. Regional Materials: Aggregate for mortar and grout, cement, and lime shall be ex-tracted, harvested, or recovered, as well as manufactured, within 500 miles of Pro-ject site.

B. Portland Cement: ASTM C 150, Type I or Type II, except Type III may be used for coldweather construction; natural color or white cement may be used as required to produce mortar color indicated and selected during the submittal review process.

1. Low-Alkali Cement: Not more than 0.60 percent total alkali when tested accord-ing to ASTM C 114.

C. Hydrated Lime: ASTM C 207, Type S.

D. Portland Cement – Lime Mix: Packaged blend of portland cement complying with ASTM C 150, Type I or III, and hydrated lime complying with ASTM C 207.

E. Masonry Cement: ASTM C 91.

F. Mortar Pigments: Natural and synthetic iron oxides and chromium oxides, compounded for use mortar mixes and complying with ASTM C 979. Use only pigments with a record of satisfactory performance in stone masonry mortar.

G. Colored Cement Product: Packaged blend made from cement and mortar pig-ments, all complying with specified requirements, and containing no other ingre-dients.

1. Formulate blend as required to produce color indicated or, if not indi-cated, as selected from manufacturer’s standard colors.

2. Pigments shall not exceed 10 percent of portland cement by weight.

3. Pigments shall not exceed 5 percent of masonry cement or mortar ce-ment by weight.

4. Submit manufacturer’s standard mortar selection guide for approval. Mor-tar color shall match the previously installed Entry Wall at Prospect Street and Old Falls Street. Light to medium gray, submit color samples for ap-proval.

H. Aggregate: ASTM C 144 and as follows:

1. For pointing mortar, use aggregate graded with 100 percent passing No. 16 sieve.

2. White Aggregates: Natural white sand or ground white stone.

the submittal review process. Mortar color shall match previously com-pleted basis of design projects indicated.

I. Cold-Weather Admixture: Non-chloride, noncorrosive, accelerating admixture complying with http://www.chippewastone.com/ http://www.swensongranite.com/

ANCHORED STONE MASONRY VENEER 044313 - 5

ASTM C 494/C 494M, Type C, and recommended by manufacturer for use in masonry mortar of composition indicated.

J. Water: Potable.

2.4 VENEER ANCHORS

A. Materials:

1. Hot-Dip Galvanized, Carbon-Steel Wire: ASTM A 82/A 82M;

with ASTM A 153/A 153M, Class B-2.

2. Stainless-Steel Wire: ASTM A 580/A 580M, Type 304 or Type 316.

B. Stainless Steel Dovetail Anchors and Slots: Units consisting of a vertically oriented dovetail anchor slot with corresponding dovetail anchors complying with the following requirements:

1. Dovetail Anchor Slot: ASTM A240 Stainless Steel, Type 304, 2B finish.

Standard slots shall feature 1-inch width, 1-inch depth, 5/8-inch throat width, and 3/16-inch thickness. Slots shall incorporate factory strippable foam filler to protect channel from filling with concrete.

2. Corrugated Dovetail Anchor: ASTM A240 Stainless Steel, Type 304, 2B fin-ish.

Standard anchors shall be compatible with anchor slots specified herein and shall feature corrugated tongue, 1-inch width, having a wavelength of 7.6 to 13 mm (0.3 to 0.5 inch) and an amplitude of 1.5 to 2.5 mm (0.06 to 0.10 inch), and of sufficient length to extend at least halfway, but not less than 2- 1/2 inches, through stone masonry and with at least 5/8-inch cover on out-side face.

3. Submit product data for approval.

2.5 MORTAR MIXES

A. General: Do not use admixtures, including pigments, air-entraining agents, accellerators, retarders, water-repellent agents, antifreeze compounds, or other admixtures, unless oth-erwise indicated.

1. Do not use calcium chloride.

2. Limit cementitious materials in mortar to portland cement or lime.

3. Cold-weather admixture (if used) at same rate for all mortar that will be exposed to view, regardless of weather conditions, to ensure that mortar color is consistent.

4. Mixing Pointing Mortar: Thoroughly mix cementitious and aggregate mate-rials together before adding water. Then mix again, adding only enough wa-ter to produce a damp, unworkable mix that will retain its form when pressed into a ball. Maintain mortar in this dampened condition for one to two hours. Add remaining water in small portions until mortar reaches re-quired consistency. Use mortar within 30 minutes of final mixing; do not re-temper or use partially hardened material.

ANCHORED STONE MASONRY VENEER 044313 - 6

B. Preblended, Dry Mortar Mix: Furnish dry mortar ingredients in the form of a preblended mix. Measure quantities by weight to ensure accurate proportions, and thoroughly blend ingredients before delivering to the Project site.

C. Mortar for Stone Masonry: Comply with ASTM C 270, Proportion Specification and use the highest quality for the intended purpose according to industry standards for the longest life installation.

1. Mortar for Setting Stone: Type N.

2. Mortar for Pointing Stone: Type N.

2.6 MORTAR NET

A. Mortar net shall be dense polymer core geomatrix of high density polyethylene strands woven into a .80 thick mesh with the capability of allowing air and water circulation while holding mortar droppings from blocking weeps and vents.

2.7 DRIP EDGE FLASHING

A. Flashing shall be 16 oz copper with an extension beyond the wall plane turned down at an angle of 45° to form a drip 3/8" 45° lip with a 3/16" closed hem.

2.8 DAMPPROOFING

A. Dampproofing shall be a non-staining cementitious waterproofing coating such as Master-seal 581 (formerly Thoroseal) by BASF Corp, Shakopee, MN; SikaTop 144 by Sika Corp, Lyndhurst, NJ; or approved equal

2.9 WEEPS AND VENTS

A. Rectangular, cellular, polypropylene honeycombed extrusion, 3/8 by 1-1/2-inches and of length required to extend from exterior face of stone to cavity behind. Shall exclude intru-sion by insects and shall be gray in color.

2.10 FABRICATION

A. Provide stone to produce pieces of thickness, size, and shape indicated on Drawings.

B. Thickness of Stone: Provide thickness indicated on Drawings.

C. Cut, at manufacturing facility, stone to produce pieces of thickness, size, and shape indi-cated. Dress joints (bed and vertical) straight and at right angle to face unless otherwise indicated.

D. Carefully inspect stone at quarry or fabrication plant for compliance with require-ments for appearance, material, and fabrication. Replace defective units prior to shipment.

1. Clean sawed backs of stone to remove rust stains and iron particles.

E. Finish exposed faces and edges of stone to comply with requirements indicated for finish and to match approved samples and mockups.

2.11 MASONRY CLEANERS

ANCHORED STONE MASONRY VENEER 044313 - 7

A. Proprietary Acidic Cleaner: Manufacturer's standard-strength cleaner designed for re-moving mortar and grout stains, efflorescence, and other new construction stains from stone masonry surfaces without discoloring or damaging masonry surfaces; expressly approved for intended use by cleaner manufacturer and stone producer.

PART 3 - EXECUTION

3.1 MOCK-UPS

A. The Contractor shall create multiple mock-ups prior to the overall project construction demonstrating the characteristics, methods of construction, anchorage, color, stone sizes, texture, jointing, materials to sufficiently convey what the final products will be for the vari-ous site elements as described. Additional information on the requirements for the mock-ups are on the drawings.

3.2 EXAMINATION

A. Examine surfaces indicated to receive stone masonry, with Installer present, for com-pliance with requirements for installation tolerances and other conditions affecting per-formance.

B. Examine substrate to verify that dovetail slots, inserts, reinforcement, veneer anchors, and other items installed in substrates and required for or extending into stone masonry are cor-rectly installed.

C. Proceed with installation only after unsatisfactory conditions have been corrected.

D. Determine the jointing method for securing the individual cut stone assemblies. Refer to the drawings for details on where and how the various cut stone assemblies are to be in-stalled in the various project elements being constructed.

1. Full mortar bed, and mortar on sides of units.

2. Stainless steel pins for stone cap units.

3.3 PREPARATION

A. Clean dirty or stained stone surfaces by removing soil, stains, and foreign materials be-fore setting. Clean stone by thoroughly scrubbing with fiber brushes and then drenching with clear water. Use only mild cleaning compounds that contain no caustic or harsh ma-terials or abrasives.

3.4 SETTING OF STONE MASONRY, GENERAL

A. Field splitting and trimming of stones shall not be required as stones shall be sized per the specifications. Field splitting shall be limited and shall only be allowed if approved in advance for specific stones or unusual conditions, and following acceptable demonstration of the methods to be performed and acceptance of the resulting products.

1. Use power saws to cut stone that is fabricated with saw-cut surfaces.

2. Use hammer and chisel to split stone that is fabricated with split surfaces.

3. Pitch face at field-split edges as needed to match stones that are not field split.

ANCHORED STONE MASONRY VENEER 044313 - 8

B. Set stone to comply with requirements indicated on Drawings. Install supports, fasteners, and other attachments indicated or necessary to secure stone masonry in place. Set stone accurately in locations indicated with edges and faces aligned according to established re-lationships and indicated tolerances. Before setting, the existing surfaces of concrete or stone, or adjoining stones shall be protected from damage during the setting process.

C. Maintain uniform joint widths as indicated on the contract drawings within established construction tolerances. If construction tolerances are not indicated on the drawings, then the allowable tolerances shall be as established in the mock-up or as agreed to by the Director’s Representative.

D. Provide sealant joints of widths and at locations indicated.

1. Keep sealant joints free of mortar and other rigid materials.

3.5 CONSTRUCTION TOLERANCES

A. Variation from Level: For horizontal exposed lines for the stone surfaces, do not exceed plus or minus 1/8 inch from the true level plane established by the design drawings, unless specific tolerances differing these exist elsewhere in the drawings or specifications, and have been accepted by the Director’s Representative.

B. Variation in Mortar-Joint Thickness: Do not vary from joint size range indicated.

3.6 INSTALLATION OF STONE MASONRY VENEER - COMPOSITION

A. The composition of the stone masonry veneer and stone cap shall match the visual char-acter of The previously installed Entry Wall at Prospect Street and Old Falls Street.

B. Rake out joints for pointing with mortar to depth as accepted in the mock-up, before setting mortar has hardened. Rake joints to uniform depths to establish the finished ap-pearance as accepted in the mock-up.

C. Sort stone before it is placed in wall to remove stone that does not comply with require-ments relating to aesthetic effects, physical properties, or fabrication, or that is otherwise unsuitable for intended use.

D. Arrange stones in random ashlar pattern with course heights as indicated, random lengths, and uniform joint widths, with offset between vertical joints as indicated.

E. Arrange stones with color and size variations uniformly dispersed for an evenly blended appearance.

F. 3/4" Joints: Lay stones with joints not less than 5/8” at narrowest points or more than 7/8” at widest points.

3.7 INSTALLATION OF STONE MASONRY VENEER – ANCHORING

A. Anchor stone masonry to concrete with corrugated-metal veneer anchors unless oth-erwise indicated. Secure anchors by inserting dovetailed ends into dovetail slots in concrete.

ANCHORED STONE MASONRY VENEER 044313 - 9

B. Embed veneer anchors in mortar joints of stone masonry at least halfway, but not less than 1-1/2 inches, through stone masonry and with at least a 5/8-inch cover on exterior face.

C. The reinforced concrete stem width is 20-inches. Evenly space two vertical anchor slots per concrete stem face, 8-inches o.c., 6-inches from the edge of concrete stem. Space anchors 12- inches o.c. vertically.

D. Set stone in full bed of mortar with full head joints unless otherwise indicated. Build an-chors into mortar joints as stone is set.

E. Fill space between back of stone masonry and concrete with mortar as stone is set.

F. Rake out joints for pointing with mortar to depth of not less than 1/2 inch before setting mortar has hardened. Rake joints to uniform depths with square bottoms and clean sides.

3.8 POINTING

A. Prepare stone-joint surfaces for pointing with mortar by removing dust and mortar par-ticles. Where setting mortar was removed to depths greater than surrounding areas, ap-ply pointing mortar in layers not more than 10 mm (3/8 inch) deep until a uniform depth is formed.

B. Point stone joints by placing and compacting pointing mortar in layers not more than 10 mm (3/8 inch) deep. Compact each layer thoroughly and allow to become thumbprint hard before next layer.

C. Tool joints, when pointing mortar is thumbprint hard, with a smooth jointing tool to pro-duce the following joint profile:

1. Joint Profile: As indicated and accepted on the mock-up.

3.9 CONSTRUCTION TOLERANCES

A. Variation from Plumb: For vertical lines and surfaces, do not exceed 1/4 inch in 10 feet 3/8 inch in 20 feet, or 1/2 inch in 40 feet or more. For external corners, expansion joints, control joints, and other conspicuous lines, do not exceed 1/4 inch in 20 feet or 1/2 inch in 40 feet or more.

B. Variation from Level: For bed joints and stone caps, do not exceed 1/4 inch in 20 feet or 1/2 inch in 40 feet or more.

C. Variation of Linear Construction Line: For position shown in plan, do not exceed 1/2 inch in 20 feet or 3/4 inch in 40 feet or more.

3.10 ADJUSTING AND CLEANING

A. Remove and replace stone masonry of the following description:

1. Broken, chipped, stained, or otherwise damaged stone. Stone repair may be considered for very limited situations, if suitable and accepted repair methods

ANCHORED STONE MASONRY VENEER 044313 - 10

are presented and accepted by the Director’s Representative. The Contractor should include in his bid, the project work and materials that do not allow for the repair of damaged stones.

2. Defective joints.

3. Stone masonry not matching approved samples and mockups.

4. Stone masonry not complying with other requirements indicated.

B. Replace in a manner that results in stone masonry matching approved samples and mockups, complying with other requirements, and showing no evidence of replacement.

C. In-Progress Cleaning: Clean stone masonry as work progresses. Remove mortar fins and smears before tooling joints.

D. Final Cleaning: After mortar is thoroughly set and cured, clean stone masonry as follows:

1. Remove large mortar particles by hand with wooden paddles and nonmetallic scrape hoes or chisels.

2. Test cleaning methods on mockup; leave one-half of panel uncleaned for comparison purposes. Obtain Director’s Representative approval of sample cleaning before cleaning stone masonry.

3. Protect adjacent stone and non-masonry surfaces from contact with cleaner by covering them with liquid strippable masking agent, polyeth-ylene film, or waterproof masking tape.

4. Clean stone masonry by bucket and brush hand-cleaning method described in BIA Technical Note No. 20 Revised II, using job-mixed detergent solution.

3.11 EXCESS MATERIALS AND WASTE

A. Legally dispose of excess material and waste off-site. Excess stone and masonry waste shall not be buried or used as embankment material.

END OF SECTION 04431

EXTERIOR SIGNAGE 101400 - 1

SECTION 101400 – EXTERIOR SIGNAGE

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Illuminated Aluminum Cabinet Panel for Gateway Monuments

B. Related sections:

1. Division 03 Section 033000 “Cast-in-Place Concrete” for native stone veneer col-umn stem and foundations.

2. Division 04 Section 042000 “Unit Masonry” for masonry veneer on Gateway Monu-ment Signs.

1.2 QUALITY ASSURANCE

A. Manufacturer’s Qualifications: Provide signage that is the product of one manufacturer, who has provided signage similar to those specified as one of their principal products for a minimum of three (3) years. Submit manufacturer’s qualifications.

1. Manufacturer's responsibilities include providing professional engineering services needed to assume engineering responsibility.

2. Engineering Responsibility: Preparation of Shop Drawings and comprehensive engi-neering analysis by a qualified professional engineer.

B. Installer’s Qualifications: Minimum three (3) years’ experience in the installation of signage of the type as specified in this Section. Submit installer’s qualifications.

1.3 SUBMITTALS

A. Product Data: Submit product data for each specified sign type. Include material details for each sign specified.

B. Delegated-Design Submittal: For Building Mounted Portal Arch signs. Indicated compliance with performance requirements and design criteria, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

C. Shop Drawings: Submit shop drawings scaled for manufacture and fabrication of each sign type. For each sign type show layout, profiles, and product components: including post and panel dimensions, footing dimensions and details of construction. Show joints, welds, an-chorage, accessory items, mounting and finishes. The details of construction shall clearly show how the sign is to be disassembled to replace the entire sign or just one side panel, where applicable.

D. Submit full size layouts in fill color for each unique panel content layout, indicating letter size and type, line spacing, numbers, symbols or images for review and approval.

E. Samples: Submit (1) set. One set to the Director’s Representative. The Contractor shall provide submittal documents that indicate each of the sign types, mounting types and materi-

EXTERIOR SIGNAGE 101400 - 2

als to be used for the various combinations to be used for this project.

1. Internally Illuminated Gateway Cabinet Panels: A full scale mock-up, not less than

24”x24” shall be constructed and submitted, showing typical color, texture, fonts and pictograms as shown on the Construction Drawings. Mock-up shall show typical fab-rication methods, including internal support systems, concealed hinge for lamp access, interchangeable side loading sign text modules and panel frame retainers. Mock-up shall show typical “routed and backed” text, “push-through” text and pictograms.

F. Installation and Maintenance: Submit Manufacturer’s Literature and Product Data for each sign type (Mark literature to indicate specific items proposed to be furnished). Provide Manu-facturer’s printed specifications, anchorage details, installation and maintenance instructions.

Manufacturer’s recommendation for mounting panels shall be provided.

G. Manufacturer’s Certificates: Provide certification from the coating installer, indicating exact-ly what they did to prepare the aluminum and as applied the coating(s) to the specified thick-ness(es). The certification shall indicate that the coating has been installed according to spe-cific and identified contract specifications and/or approved submittal materials.

H. Contractor to submit final as-built locations for each sign as indicated in the Construction

Drawings. For each sign provide a georeferenced coordinate for sign center point.

I. Contractor and/or Sign Fabricator shall provide to Director’s Representative a full size digital vector file in .eps format for each sign graphic panel layout that is produced for the project.

1.4 DELIVERY AND STORAGE

A. Package to prevent damage or deterioration during shipment, handling, storage and installa-tion. Maintain protective covering in place and in good repair until removal is necessary.

B. Deliver signs only when the site, mounting materials, and equipment are ready for installa-tion work to proceed.

C. Store products in dry conditions inside enclosed facilities.

D. Comply with manufacturer's ordering instructions and lead time requirements to avoid construction delays.

E. Deliver products in manufacturer's original, unopened, undamaged containers with identification labels intact.

F. Store products protected from weather, temperature, and other harmful conditions as recommended by supplier.

G. Handle products in accordance with manufacturer's instructions.

1.5 WARRANTY

A. Sign Manufacturer shall guarantee the text and symbols applied to the coated aluminum for an extended warranty period of two years following final acceptance of the project. A war-ranty inspection shall be performed no later than one year following project final acceptance

EXTERIOR SIGNAGE 101400 - 3

and the Contractor shall be responsible for removing and replacing any text and/or symbols identified, during the inspection, that have started to fade, chip, peel or otherwise fail. The Contractor shall remove and replace any sign panel faces with new, where the applied letter-ing, or the paint system itself, is causing damage to, or failure of, the paint system. All work to produce replacement sign panels with new lettering and/or paint system shall be provided at no cost to the Owner, as part of the Warranty work for the signage system.

1.6 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to the extent referenced. Publica-tions are referenced in text by the basic designation only. Comply with applicable provisions and recommendations of the following, except as otherwise shown or specified.

B. Americans with Disabilities Act - 1990, as amended and in effect as of 01-01-2009

C. Federal Highway Administration:

1. Manuals on Uniform Traffic Control Devices for Street and Highways - Single Post Traffic Regulatory Signs.

D. American Society for Testing and Materials (ASTM):

1. B209-14 Aluminum and Aluminum-Alloy Sheet and Plate

2. B221-14 Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes and Tubes.

3. B449-93(2015) Standard Specification for Chromates on Aluminum

E. American Architectural Manufacturer’s Association (AAMA):

1. AAMA 2605-05 Performance Requirements and Test Procedures for High Performance Organic Coatings on Aluminum extrusions and Panels.

F. Federal Specifications (Fed. Spec.):

1. MIL-P-8184F Plastic Sheet, Acrylic, Modified.

2. A-A-59502 Plastic Sheet, Polycarbonate

PART 2 - PRODUCTS

2.1 SIGNAGE GENERAL:

A. Signs shall be of type, size and design shown on the drawings and as specified.

B. Signs shall be complete with lettering, symbols, graphics, framing, and related components for a complete signage assembly installation.

C. Provide graphics items as completed units produced by a single manufacturer, including nec-essary mounting accessories, fittings and fastenings.

D. Do not scale drawings for dimensions. Verify all dimensions and conditions shown by the drawings. Owner’s Designated Representative is to be notified of any discrepancy in draw-ing(s), in field directions or conditions, and/or of any changes required for any such related construction details.

EXTERIOR SIGNAGE 101400 - 4

E. The Sign Contractor, by commencing work of this section, assumes overall responsibility, as part of his warranty of work, to assure that assemblies, components and parts shown or re-quired within the work of the section, comply with the Contract Documents. Warrant: That all components, specified or required to satisfactorily complete the installation are compati-ble with each other and with conditions of installations.

F. Provide installed electrical components and sign installations bearing the label and certifica-tions of Underwriter’s Laboratories, Inc., and comply with NFPA 70 as well as applicable federal codes for installation techniques, fabrication methods and general product safety.

2.2 SIGNAGE SYSTEM MANUFACTURER’S

A. Exterior sign system composed of precision-formed aluminum sheet panels with a variety of extruded or cast aluminum, or injection molded hardware, attached to extruded aluminum posts of various sizes as shown on the drawings.

1. Acceptable Manufactures:

a. Cooper Sign Company, 7350 Porter Rd, Niagara Falls NY; 716-297-2340

b. Howard Industries, 6400 Howard Drive, Fairview, PA 16415; (800)-458-0591

(toll free) and/or 814-833-7000 (local).

b. ASI, 2957 Alt Blvd. Grand Island, NY 14072; (716) 775-0104

c. Park Place Inc. 2019 30th Street, Hannibal, Missouri 63401; (800)-650-7275

(toll free)

d. Or approved equal.

2.3 MATERIALS AND COMPONENTS

A. Aluminum Sheet and Plate (Panels): Meeting ASTM B209-14, minimum 0.05” (1.25mm thick), alloy and temper recommended by the aluminum producer and finisher for type of use and finish indicated, and with at least the strength and durability properties of Alloy 5005-H32

B. Aluminum Extrusions and Tubing: Meeting ASTM B221-14, alloy and temper recommend-ed by the aluminum producer and finisher for type of use and finish indicated, and with at least the strength and durability properties of Alloy 6063-T5

C. Accessories: Provide end caps, couplings, coupling fittings, mounting fittings, interchangea-ble fittings, and other hardware and accessories for a complete installation.

D. Aluminum Finishes: Manufacturer’s standard two-phase, high temperature cured color coating as follows:

1. Primer: 2 mil thick Zinc Chromate Primer: Fed. Spec. TT-P-645 for optimum sur-face coat adhesion and weatherability.

2. Top Coat: Two-component, non-toxic, lead-free, zero emissions, acrylic polyure-thane coating of 2-3 mil minimum Dry Film Thickness (DFT).

3. Colors:

a. All exposed panel, framing, and mounting member surfaces shall be a custom color to match PMS 3435 (NFSP Standard Green) in satin finish;

b. All exposed post surfaces shall be standard Black as selected from manufactur-

EXTERIOR SIGNAGE 101400 - 5

er’s standard colors in satin finish.

c. All copy and directional arrows shall be standard White and Reflective White opaque Engineering Grade 3M Scothcal Electrocut or Scotchlite Plus vinyl or approved equal.

d. All Niagara Falls State Park official pictograms shall be custom colors to match CMYK or PMS values on the Construction Drawings.

4. Acceptable Manufacturer’s:

a. Matthew Paint Company, 760 Pittsburgh Drive, Delaware, OH 43015

b. PPG, One PPG Place, Pittsburgh, PA 15272

c. Or approved equal.

E. Polycarbonate Sheet: ASTM C1349, Appendix X1, Type II (coated, mar resistant, UV sta-bilized polycarbonate) with coating on both sides.

F. Applied Vinyl: Surface applied letters and graphics shall be published on a single sheet of vi-nyl film of nominal thickness of 3 mils, (0.076mm) with pressure-sensitive adhesive backing, suitable for exterior applications.

1. Pedestrian category signs shall utilize digitally-printed vinyl graphics with a life ex-pectancy equal to or exceeding that for 3M Scotchcal Electrocut Graphic Film.

2. Vehicular category signs shall utilize vinyl with a life expectancy equal to or exceed-ing that for reflective white opaque Engineering Grade 3M Scotchlite Plus vinyl.

3. All text and graphics for the exterior signage shall be provided in detailed submittal in-formation. Each sign face shall be represented in scaled drawings, with exact font, letter style, font spacing, and graphics being shown. Only signs or sign faces approved in the submittal process shall be manufactured.

2.4 FABRICATION

A. Design components to allow for expansion and contraction for a minimum material tempera-ture range of 220 °F, without causing buckling, excessive opening of joints or over stressing of adhesives, welds and fasteners.

B. Form work to required shapes and sizes, with true lines and angles. Provide necessary re-bates, lugs and brackets for assembly of units. Use concealed fasteners whenever and wher-ever possible.

C. Shop fabricate so far as practicable. Joints fastened flush to conceal reinforcement, or welded where thickness or section permits.

D. Contact surfaces of connected members shall be true. Assemble so joints will be tight and practically unnoticeable, without use of filling compound.

E. Signs shall have fine, even texture and be flat and sound. Lines and miters sharp, arises un-broken, profiles accurate and ornament true to pattern. Plane surfaces shall be smooth flat and without oil-canning, free of rack and twist. Maximum variation from true plane of surface shall be plus or minus 1/64 inch. Restore texture to filed or cut areas.

F. Level or straighten wrought work. Members shall have sharp lines and angles and smooth surfaces.

G. Extruded members to be free from extrusion marks. Members shall have square turns and

EXTERIOR SIGNAGE 101400 - 6

corners sharp.

H. Drill holes for bolts and screws. Conceal fastenings where possible. Exposed ends and edges mill smooth, with corners slightly rounded. Form joints exposed to weather to exclude water.

I. Fabricate signs to withstand a wind load of 35 pounds per square foot or a…