City of Staunton

Park Facilities Improvements Staunton, Virginia

Prepared for

T&L Project No. 18861

Document Date: February 20, 2026

Issued for Bids: May 1, 2026

SPECIFICATIONS

Volume IV of IV

17679 Gypsy Hill Park Pump House Renovations

Bid Alternate No. 1

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PROJECT MANUAL

Volume IV

17679 GYPSY HILL PARK PUMP HOUSE RENOVATIONS BID ALTERNATE NO. 1

Park Facilities Improvements

Prepared For

This document and the ideas and designs incorporated herein, as an instrument of professional service, is the property of Thompson & Litton and is not to be used in whole or in part for any other project without the written authorization of Thompson & Litton.

726 Auburn Avenue

Radford, Virginia 24141

Document Date: February 20, 2026

T&L Project No. 18861 Issued for Bids: May 1, 2026

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City of Staunton Park Facilities Improvements

For

SEALS PAGE

For Architectural & Life Safety Only

For Civil Engineering Only For Structural Only

For Mechanical Only

For Electrical Only

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City of Staunton Park Facilities Improvements

TABLE OF CONTENTS

Volume IV

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS – VOLUME I

00 0101 Project Title Page 00 0107 Seals Page 00 0110 Table of Contents 00 0115 Drawings Index

00 0515 VPPA

00 1113 Advertisement for Bids 00 2113 Instructions to Bidders 00 2515 Pre-Bid Question Form 00 4100 Bid Form 00 4313 Bid Bond (AIA A310) 00 4513 Contractor’s Qualification Statement (AIA A305) 00 4546.13 Workers’ Compensation Certificate (DGS 30-076) 00 4546.16 Certification of Bidder Regarding Debarment 00 5213 Standard Form of Agreement Between Owner & Contractor (AIA A101) 00 5433 Request for Electronic Files Form 00 6113 Performance Bond & Payment Bond (AIA A312)* 00 6275 Payment Application Checklist 00 6276 Application & Certificate for Payment (AIA G702)* 00 6276.10 Continuation Sheet (AIA G703)* 00 6277 Escrow Agreement 00 6313 Request for Information (RFI) Form 00 6325 Request for Substitution Form 00 6333 Architect’s Supplemental Instructions (AIA G710)* 00 6346 Construction Change Directive (AIA G714)* 00 6353 Proposal Request (AIA G709)* 00 6363 Change Order (AIA G701)* 00 6516 Certificate of Substantial Completion (AIA G704)* 00 6519.13 Contractor’s Affidavit of Payment of Debts & Claims (AIA G706)* 00 6519.16 Contractor’s Affidavit of Release of Liens (AIA G706A)* 00 6519.19 Consent of Surety Company to Final Payment (AIA G707)* 00 7210 General Conditions of the Contract for Construction (AIA A201) 00 7310 Supplementary General Conditions

* Asterisks indicate references made to AIA (American Institute of Architects) documents - latest edition, which are hereby made a part of the Contract Documents. All provisions and requirements contained in reference, after being duly executed, shall be considered as part of the Contract Documents, as if bound herein. Copies of the referenced documents are available for review at the office of the Architect.

Contractors shall purchase copies from the American Institute of Architects. The original document shall be provided by the Contractor and will be required for the execution of the “Contract”.

TABLE OF CONTENTS (CONTINUED)

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SPECIFICATIONS

VOLUME I

DIVISION 01 - GENERAL REQUIREMENTS

01 1000 Summary

01 3000 Administrative Requirements

01 4000 Quality Requirements

01 4533 Code-Required Special Inspections and Procedures

01 5000 Temporary Facilities and Controls

01 6000 Product Requirements

01 7000 Execution and Closeout Requirements

01 7800 Closeout Submittals

VOLUME II – 16472 GYPSY HILL PARK RESTROOM IMPROVEMENTS

DIVISION 02 - EXISTING CONDITIONS

02 4119 Selective Structure Demolition

DIVISION 03 - CONCRETE

03 3000 Cast-In-Place Concrete

DIVISION 04 - MASONRY

04 2000 Unit Masonry

DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES

06 1000 Rough Carpentry

06 1753 Shop-Fabricated Wood Trusses

06 6100 Cast Polymer Fabrications

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DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 2500 Weather Barriers

07 4113 Metal Roof Panels

07 9200 Joint Sealants

DIVISION 08 - OPENINGS

08 1113 Hollow Metal Doors and Frames

08 7100 Door Hardware

DIVISION 09 - FINISHES

09 2116 Gypsum Board Assemblies

09 9120 Painting

DIVISION 10 - SPECIALTIES

10 1400 Signage

10 2113.13 Metal Toilet Compartments

10 2800 Toilet, Bath, and Laundry Accessories

DIVISION 31 - EARTHWORK

31 1000 Site Clearing

31 2200 Grading

31 2316 Excavation

31 2316.13 Trenching

31 2323 Fill

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 1123 Aggregate Base Courses

32 1216 Asphalt Paving

32 9219 Seeding

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DIVISION 33 - UTILITIES

33 1116 Water Utility Distribution Piping

33 1300 Disinfecting Of Water Utility Distribution

33 3111 Sanitary Utility Sewerage Piping

33 4111 Storm Utility Drainage Piping

VOLUME III – 17678 MONTGOMERY HALL PARK POOL HOUSE AND RESTROOMS

DIVISION 02 - EXISTING CONDITIONS

02 4119 Selective Structure Demolition

DIVISION 03 - CONCRETE

03 3000 Cast-In-Place Concrete

DIVISION 04 - MASONRY

04 2000 Unit Masonry

DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES

06 1000 Rough Carpentry

06 1753 Shop-Fabricated Wood Trusses

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 2500 Weather Barriers

07 3113 Asphalt Shingles

07 4646 Fiber-Cement Siding

07 7123 Manufactured Gutters and Downspouts

07 9200 Joint Sealants

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DIVISION 08 - OPENINGS

08 1113 Hollow Metal Doors and Frames

08 7100 Door Hardware

DIVISION 09 - FINISHES

09 2116 Gypsum Board Assemblies

DIVISION 10 - SPECIALTIES

10 1400 Signage

10 2113.13 Metal Toilet Compartments

10 2800 Toilet, Bath, and Laundry Accessories

DIVISION 31 - EARTHWORK

31 1000 Site Clearing

31 2200 Grading

31 2316 Excavation

31 2316.13 Trenching

31 2323 Fill

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 1123 Aggregate Base Courses

32 1723.13 Painted Pavement Markings

32 9219 Seeding

DIVISION 33 - UTILITIES

33 1116 Water Utility Distribution Piping

33 1300 Disinfecting Of Water Utility Distribution

33 4111 Storm Utility Drainage Piping

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VOLUME IV – 17679 GYPSY HILL PARK PUMP HOUSE RENOVATIONS BID ALTERNATE NO. 1

DIVISION 02 - EXISTING CONDITIONS

02 4119 Selective Structure Demolition

DIVISION 03 - CONCRETE

03 3000 Cast-In-Place Concrete

DIVISION 04 - MASONRY

04 2000 Unit Masonry

DIVISION 05 - METALS

05 4000 Cold-Formed Metal Framing

DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES

06 1000 Rough Carpentry

06 1753 Shop-Fabricated Wood Trusses

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 1400

07 2500

Fluid-Applied Waterproofing

Weather Barriers

07 4113 Metal Roof Panels

07 9200 Joint Sealants

DIVISION 08 - OPENINGS

08 1213 Hollow Metal Frames

08 1416 Flush Wood Doors

08 4313 Aluminum-Framed Storefronts

08 7100 Door Hardware

DIVISION 09 - FINISHES

09 2116 Gypsum Board Assemblies

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09 9120 Painting

DIVISION 10 - SPECIALTIES

10 1400 Signage

10 2113.13 Metal Toilet Compartments

10 2800 Toilet, Bath, and Laundry Accessories

DIVISION 31 - EARTHWORK

31 1000 Site Clearing

31 2200 Grading

31 2316 Excavation

31 2316.13 Trenching

31 2323 Fill

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 1123 Aggregate Base Courses

32 1216 Asphalt Paving

32 9219 Seeding

DIVISION 33 - UTILITIES

33 1116 Water Utility Distribution Piping

33 1300 Disinfecting Of Water Utility Distribution

33 3111 Sanitary Utility Sewerage Piping

33 4111 Storm Utility Drainage Piping

Selective Structure Demolition 17679 02 4119/1 of 4

SECTION 02 4119 - SELECTIVE STRUCTURE DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Demolition and removal of selected portions of the existing building.

1.2 DEFINITIONS

A. Remove: Detach items from existing construction and legally dispose of them off site, unless indicated to be removed and salvaged or removed and reinstalled.

B. Remove and Reinstall: Detach items from existing construction, protect, store and prepare them for reuse, and reinstall them where indicated.

C. Existing to Remain: Existing items of construction that are not to be removed and that are not otherwise indicated to be removed, removed and salvaged, or removed and reinstalled.

1.3 SUBMITTALS

A. Schedule of Selective Demolition Activities: Indicate detailed sequence of selective demolition and removal work, with starting and ending dates for each activity, interruption of utility services, use of elevator and stairs, and locations of temporary partitions and means of egress.

B. Landfill Records: Indicate receipt and acceptance of hazardous wastes by a landfill facility licensed to accept hazardous wastes, if any.

1.4 QUALITY ASSURANCE

A. Demolition Firm Qualifications: An experienced firm that has specialized in demolition work similar in material and extent to that indicated for this project.

B. Regulatory Requirements: Comply with governing EPA notification regulations before beginning selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

C. Standards: Comply with ANSI A10.6 and NFPA 241.

1.5 PROJECT CONDITIONS

A. The building will be occupied in the areas immediately adjacent to the selective demolition areas. Conduct selective demolition so the buildings main tenant operations will not be disrupted.

B. Conditions existing at the time of inspection for bidding purpose will be maintained by Owner as far as practical.

C. Notify Architect of discrepancies between existing conditions and drawings before proceeding with selective demolition.

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D. Hazardous Materials: It is not expected that hazardous materials will be encountered in the work.

1. If materials suspected of containing hazardous materials are encountered, do not disturb; immediately notify the Architect and Owner. Owner will remove hazardous materials under a separate contract.

E. Storage or sale of removed items or materials on site is not permitted.

F. Utility Service: Maintain existing utilities indicated to remain in service and protect them against damage during selective demolition operations.

1. Maintain fire protection facilities in service during selective demolition operations.

1.6 WARRANTY

A. Existing Warranties: Remove, replace, patch, and repair materials and surfaces cut or damaged during selective demolition, by methods and with materials so as not to void existing warranties.

PART 2 - PRODUCTS – NOT USED

PART 3 – EXECUTION

3.1 EXAMINATION

A. Verify that utilities have been disconnected and capped.

B. Survey existing conditions and correlate with requirements indicated to determine extent of selective demolition required.

C. Inventory and record the condition of items to be removed and reinstalled and items to be removed and salvaged. See Architectural drawings for process by which items can be removed from the site.

D. When unanticipated mechanical, electrical, or structural elements that conflict with intended function or design are encountered, investigate and measure the nature and extent of conflict.

Promptly submit a written report to Architect.

E. Survey of Existing Conditions: Record existing conditions by use of preconstruction photographs.

F. Perform surveys as the work progresses to detect hazards resulting from selective demolition activities.

3.2 UTILITY SERVICES AND MECHANICAL/ELECTRICAL SYSTEMS

A. Existing Services/Systems: Maintain services/systems indicated to remain and protect them against damage during selective demolition operations.

B. Service/System Requirements: Locate, identify, disconnect, and seal or cap off indicated Utility services and mechanical/electrical systems serving areas to be selectively demolished.

Selective Structure Demolition 17679 02 4119/3 of 4

1. If services/systems are required to be removed, relocated, or abandoned, before proceeding with selective demolition provide temporary services/systems that bypass area of selective demolition and that maintain continuity of services/systems to other parts of building.

3.3 PREPARATION

A. Site Access and Temporary Controls: Conduct selective demolition and debris removal operations to ensure minimum interference with adjacent occupied and used facilities.

1. Comply with requirements for access and protection specified in Division 01.

3.4 TEMPORARY FACILITIES

A. Provide temporary barricades and other protection required to prevent injury to people and damage to adjacent areas of the building and the site.

B. General: Demolish and remove existing construction only to the extent required by new construction and as indicated on the drawings. Use methods required to complete the work within limitations of governing regulations and as follows:

1. Neatly cut openings and holes plumb, square, and true to dimensions required. Use cutting methods least likely to damage construction to remain or adjoining construction.

Use hand tools or small power tools designed for sawing or grinding, not hammering and chopping, to minimize disturbance of adjacent surfaces. Temporarily cover openings to remain. All concrete cutting and other cutting shall occur after normal business hours.

2. Cut or drill from the exposed or finished side into concealed surfaces to avoid marring existing finished surfaces.

3. Do not use cutting torches until work area is cleared of flammable materials. At concealed spaces, such as duct and pipe interiors, verify condition and contents of hidden space before starting flame cutting operations. Maintain portable fire suppression devices during flame cutting operations.

4. Locate selective demolition equipment and remove debris and materials so as not to impose excessive loads on supporting walls, floors, or framing.

5. Dispose of demolished items and materials promptly.

C. Existing Items to Remain: Protect construction indicated to remain against damage and soiling during selective demolition. When permitted by Architect, items may be removed to a suitable, protected storage location during selective demolition and cleaned and reinstalled in their original locations after selective demolition operations are complete.

3.5 DISPOSAL OF DEMOLISHED MATERIALS

A. General: Except for items or materials indicated to be reused or reinstalled, remove demolished materials from project site and legally dispose of them in an EPA approved landfill.

B. Burning: Do not burn demolished materials.

Selective Structure Demolition 17679 02 4119/4 of 4

C. Disposal: Transport demolished materials off Owner’s property and legally dispose of them.

3.6 CLEANING

A. Clean the area effected of dust, dirt, and debris caused by selective demolition operations.

Return adjacent areas to condition existing before selective demolition operations began.

END OF SECTION

Cast-in-Place Concrete 17679 03 3000/1 of 19

SECTION 03 3000 - CAST-IN-PLACE CONCRETE

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Concrete formwork.

B. Floors and slabs on grade.

C. Concrete foundation walls

D. Concrete foundations.

E. Concrete reinforcement.

F. Joint devices associated with concrete work.

G. Concrete curing.

1.2 RELATED REQUIREMENTS

A. Section 07 9200 - Joint Sealants: Products and installation for sealants and joint fillers for saw cut joints and isolation joints in slabs.

1.3 REFERENCE STANDARDS

A. ACI 117 - Standard Specifications for Tolerances for Concrete Construction and Materials;

2010 (Reapproved 2015).

B. ACI 211.1 - Standard Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete; 1991 (Reapproved 2009).

C. ACI 301 - Specifications for Structural Concrete; 2016.

D. ACI 302.1R - Guide to Concrete Floor and Slab Construction; 2015.

E. ACI 304R - Guide for Measuring, Mixing, Transporting, and Placing Concrete; 2000 (Reapproved 2009).

F. ACI 305R - Guide to Hot Weather Concreting; 2010.

G. ACI 306R - Guide to Cold Weather Concreting; 2016.

H. ACI 308R - Guide to External Curing of Concrete; 2016.

I. ACI 318 - Building Code Requirements for Structural Concrete and Commentary; 2014 (Errata 2017).

J. ACI 347R - Guide to Formwork for Concrete; 2014.

K. ASTM A615/A615M - Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement; 2016.

Cast-in-Place Concrete 17679 03 3000/2 of 19

L. ASTM A1064/A1064M - Standard Specification for Carbon-Steel Wire and Welded Wire Reinforcement, Plain and Deformed, for Concrete; 2017.

M. ASTM C31/C31M - Standard Practice for Making and Curing Concrete Test Specimens in the Field; 2017.

N. ASTM C1602/C1602M - Standard Specification for Mixing Water Used in the Production of Hydraulic Cement Concrete; 2012.

O. ASTM C33/C33M - Standard Specification for Concrete Aggregates; 2016, with Editorial Revision (2016).

P. ASTM C39/C39M - Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens; 2017b.

Q. ASTM C94/C94M - Standard Specification for Ready-Mixed Concrete; 2017a.

R. ASTM C109/C109M - Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or (50-mm) Cube Specimens); 2016a.

S. ASTM C143/C143M - Standard Test Method for Slump of Hydraulic-Cement Concrete; 2015a.

T. ASTM C150/C150M - Standard Specification for Portland Cement; 2017.

U. ASTM C171 - Standard Specification for Sheet Materials for Curing Concrete; 2016.

V. ASTM C173/C173M - Standard Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method; 2016.

W. ASTM C260/C260M - Standard Specification for Air-Entraining Admixtures for Concrete; 2010a (Reapproved 2016).

X. ASTM C309 - Standard Specification for Liquid Membrane-Forming Compounds for Curing Concrete; 2011.

Y. ASTM C494/C494M - Standard Specification for Chemical Admixtures for Concrete; 2017.

Z. ASTM C618 - Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete; 2015.

AA. ASTM C881/C881M - Standard Specification for Epoxy-Resin-Base Bonding Systems for Concrete; 2015.

BB. ASTM C1077 - Standard Practice for Agencies Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Testing Agency Evaluation; 2024.

CC. ASTM C1107/C1107M - Standard Specification for Packaged Dry, Hydraulic-Cement Grout (Nonshrink); 2014a.

DD. ASTM C1315 - Standard Specification for Liquid Membrane-Forming Compounds Having Special Properties for Curing and Sealing Concrete; 2011.

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EE. ASTM D994/D994M - Standard Specification for Preformed Expansion Joint Filler for Concrete (Bituminous Type); 2011 (Reapproved 2022).

FF. ASTM D1751 - Standard Specification for Preformed Expansion Joint Filler for Concrete Paving and Structural Construction (Nonextruding and Resilient Bituminous Types); 2004, with Editorial Revision (2013).

GG. ASTM E329 - Standard Specification for Agencies Engaged in Construction Inspection, Testing, or Special Inspection; 2014a.

HH. ASTM E1155/E1155M - Standard Test Method for Determining FF Floor Flatness and FL Floor Levelness Numbers; 2023.

II. ASTM E1155M - Standard Test Method for Determining F(F) Floor Flatness and F(L) Floor Levelness Numbers (Metric); 2014.

JJ. ASTM E1643 - Standard Practice for Selection, Design, Installation and Inspection of Water Vapor Retarders Used in Contact with Earth or Granular Fill Under Concrete Slabs; 2011 (Reapproved 2017).

KK. ASTM E1745 - Standard Specification for Plastic Water Vapor Retarders Used in Contact with Soil or Granular Fill under Concrete Slabs; 2017.

LL. ASTM F1249 - Standard Test Method for Water Vapor Transmission Rate Through Plastic Film and Sheeting Using a Modulated Infrared Sensor; 2020.

MM. COE CRD-C 572 - Corps of Engineers Specifications for Polyvinylchloride Waterstop;

1974.

NN. NSF 61 - Drinking Water System Components - Health Effects; 2017.

OO. NSF 372 - Drinking Water System Components - Lead Content; 2016.

1.4 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements, for submittal procedures.

B. Product Data: Submit manufacturers' data on manufactured products showing compliance with specified requirements and installation instructions.

1. For curing compounds, provide data on method of removal in the event of incompatibility with floor covering adhesives.

C. Mix Design: Submit proposed concrete mix design.

1. Indicate proposed mix design complies with requirements of ACI 301, Section 4 - Concrete Mixtures.

2. Indicate proposed mix design complies with requirements of ACI 318, Chapter 5 - Concrete Quality, Mixing and Placing.

D. Test Reports: Submit report for each test or series of tests specified.

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E. Manufacturer's Installation Instructions: For concrete accessories, indicate installation procedures and interface required with adjacent construction.

F. Project Record Documents: Accurately record actual locations of embedded utilities and components that will be concealed from view upon completion of concrete work.

G. Test Reports: Submit report for each test or series of tests specified.

1.5 QUALITY ASSURANCE

A. Perform work of this section in accordance with ACI 301 and ACI 318.

1. Maintain one copy of each document on site.

B. Follow recommendations of ACI 305R when concreting during hot weather.

C. Follow recommendations of ACI 306R when concreting during cold weather.

D. Installer Qualifications: A qualified installer who employs on Project personnel qualified as ACI-certified Flatwork Technician and Finisher and a supervisor who is an ACI-certified Concrete Flatwork Technician.

E. Manufacturer Qualifications: A firm experienced in manufacturing ready-mixed concrete products and that complies with ASTM C94/C94M requirements for production facilities and equipment.

F. Testing Agency Qualifications: An independent agency, acceptable to authorities having jurisdiction, qualified according to ASTM C1077 and ASTM E329 for testing indicated.

1. Personnel conducting field tests shall be qualified as ACI Concrete Field--Testing Technician, Grade 1, according to ACI CP-1 or an equivalent certification program.

2. Personnel performing laboratory tests shall be ACI-certified Concrete Strength Testing Technician and Concrete Laboratory Testing Technician - Grade I. Testing Agency laboratory supervisor shall be an ACI-certified Concrete Laboratory Testing Technician - Grade II.

G. Source Limitations: Obtain each type or class of cementitious material of the same brand from the same manufacturer's plant, obtain aggregate from single source, and obtain admixtures from single source from single manufacturer.

H. ACI Publications: Comply with the following unless modified by requirements in the Contract Documents:

1. ACI 301, "Specifications for Structural Concrete," Sections 1 through 5.

2. ACI 117, "Specifications for Tolerances for Concrete Construction and Materials."

I. Preinstallation Conference: Conduct conference at Project site.

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1. Before submitting design mixtures, review concrete design mixture and examine procedures for ensuring quality of concrete materials. Require representatives of each entity directly concerned with cast-in-place concrete to attend, including the following:

a. General Contractor

b. Concrete Subcontractor

c. Special Inspector

2. Review special inspection and testing and inspection agency procedures for field quality control and concrete protection.

PART 2 PRODUCTS

2.1 FORMWORK

A. Formwork Design and Construction: Comply with guidelines of ACI 347R to provide formwork that will produce concrete complying with tolerances of ACI 117.

B. Form Materials: Contractor's choice of standard products with sufficient strength to withstand hydrostatic head without distortion in excess of permitted tolerances.

1. Form Facing for Exposed Finish Concrete: Contractor's choice of materials that will provide smooth, stain-free final appearance.

2. Earth Cuts: Do not use earth cuts as forms for vertical surfaces. Natural rock formations that maintain a stable vertical edge may be used as side forms.

3. Form Coating: Release agent that will not adversely affect concrete or interfere with application of coatings.

4. Form Ties: Cone snap type that will leave no metal within 1-1/2 inches of concrete surface.

2.2 REINFORCEMENT MATERIALS

A. Reinforcing Steel: ASTM A615/A615M, Grade 60 (60,000 psi).

1. Type: Deformed billet-steel bars.

2. Finish: Unfinished, unless otherwise indicated.

B. Reinforcement Accessories:

1. Tie Wire: Annealed, minimum 16 gage, 0.0508 inch.

2. Chairs, Bolsters, Bar Supports, Spacers: Sized and shaped for adequate support of reinforcement during concrete placement.

3. Provide stainless steel, galvanized, plastic, or plastic coated steel components for placement within 1-1/2 inches of weathering surfaces.

Cast-in-Place Concrete 17679 03 3000/6 of 19

2.3 CONCRETE MATERIALS

A. Cement: ASTM C150/C150M, Type I or II, Portland type.

1. Acquire cement for entire project from same source.

B. Fine and Coarse Aggregates: ASTM C33/C33M.

1. Acquire aggregates for entire project from same source.

C. Fly Ash: ASTM C618, Class F. Fly Ash shall not exceed 25 percent by weight of total cementitious material.

D. Water: ASTM C1602/C1602M; clean, potable, and not detrimental to concrete.

2.4 ADMIXTURES

A. Chemical Admixture: Provide admixtures certified by manufacturer to be compatible with other admixtures and that will not contribute water-soluble chloride ions exceeding those permitted in hardened concrete. Do not use calcium chloride or admixtures containing calcium chloride.

B. Do not use chemicals that will result in soluble chloride ions in excess of 0.1 percent by weight of cement.

C. Air Entrainment Admixture: ASTM C260/C260M.

D. High Range Water Reducing and Retarding Admixture: ASTM C494/C494M Type G.

E. High Range Water Reducing Admixture: ASTM C494/C494M Type F.

F. Water Reducing and Accelerating Admixture: ASTM C494/C494M Type E.

G. Accelerating Admixture: ASTM C494/C494M Type C.

H. Retarding Admixture: ASTM C494/C494M Type B.

I. Water Reducing Admixture: ASTM C494/C494M Type A.

J. Shrinkage Reducing Admixture:

1. ASTM C494/C494M, Type S.

2.5 ACCESSORY MATERIALS

A. Underslab Vapor Retarder: Sheet material complying with ASTM E1745, Class A; stated by manufacturer as suitable for installation in contact with soil or granular fill under concrete slabs. The use of single ply polyethylene is prohibited.

1. Permeance: 0.010 perms, maximum when test in accordance with ASTM F1249.

2. Thickness: 15 mil.

3. Installation: Comply with ASTM E1643.

Cast-in-Place Concrete 17679 03 3000/7 of 19

4. Accessory Products: Vapor retarder manufacturer's recommended tape, adhesive, mastic, prefabricated boots, etc., for sealing seams and penetrations.

B. Non-Shrink Cementitious Grout: Premixed compound consisting of non-metallic aggregate, cement, water reducing and plasticizing agents.

1. Grout: Comply with ASTM C1107/C1107M.

2. Minimum Compressive Strength at 48 Hours, ASTM C109/C109M: 2,000 pounds per square inch.

3. Minimum Compressive Strength at 28 Days, ASTM C109/C109M: 7,000 pounds per square inch.

2.6 BONDING AND JOINTING PRODUCTS

A. Epoxy Bonding System:

1. Complying with ASTM C881/C881M and of Type required for specific application.

B. Hydrophilic waterstops: Bentonite and butyl rubber, complying with NSF 61 and NSF 372.

1. Configuration: Trapezoid.

2. Size: 1/2" x 1 1/4".

C. Slab Expansion and Isolation Joint Filler: 1/2 inch thick, height equal to slab thickness, with removable top section that will form 1/2 inch deep sealant pocket after removal.

1. Material: ASTM D1751, cellulose fiber.

D. Slab Construction Joint Devices: Combination keyed joint form and screed, galvanized steel, with rectangular or round knockout holes for conduit or rebar to pass through joint form at 6 inches on center; ribbed steel stakes for setting.

1. Height: To suit slab thickness.

E. Dowel Sleeves: Plastic sleeve for smooth, round, steel load-transfer dowels.

2.7 CURING MATERIALS

A. Evaporation Reducer: Liquid thin-film-forming compound that reduces rapid moisture loss caused by high temperature, low humidity, and high winds; intended for application immediately after concrete placement.

B. Curing Compound, Naturally Dissipating: Clear, water-based, liquid membrane-forming compound; complying with ASTM C309.

1. Product dissipates within 4 to 6 weeks.

2. Provide product containing fugitive red dye.

Cast-in-Place Concrete 17679 03 3000/8 of 19

C. Curing and Sealing Compound, Moisture Emission Reducing, Membrane-Forming: Liquid, membrane-forming, clear sealer, for application to newly-placed concrete; capable of providing adequate bond for flooring adhesives, initially and over the long term; with sufficient moisture vapor impermeability to prevent deterioration of flooring adhesives due to moisture emission.

1. Use this product to cure and seal all slabs to receive adhesively applied flooring or roofing.

2. Comply with ASTM C309 and ASTM C1315 Type I Class A.

3. Solids Content: 25 percent, minimum.

D. Curing and Sealing Compound, Low Gloss: Liquid, membrane-forming, clear, non-yellowing acrylic; complying with ASTM C1315 Type 1 Class A.

1. Application: Use at floor areas not to receive adhered floor covering.

2. Vehicle: Water-based.

E. Moisture-Retaining Sheet: ASTM C171.

1. Curing paper, regular.

2. White-burlap-polyethylene sheet, weighing not less than 3.8 ounces per square yard.

F. Absorptive Cover: AASHTO M 182, Class 2, burlap cloth made from jute or kenaf, weighing approximately 9 oz./sq. yd. when dry.

G. Water: Potable, not detrimental to concrete.

2.8 CONCRETE PENETRATING SEALER

A. Penetrating Epoxy Sealer: Two-Component, non-yellowing, water-based epoxy penetrating sealer.

1. Application: Use at Sallyport concrete slab-on-grade.

2. Vehicle: Water-based.

3. Solids by Mass: 20 percent, minimum.

2.9 CONCRETE MIX DESIGN

A. Proportioning Normal Weight Concrete: Comply with ACI 211.1 recommendations.

B. Limit water-soluble, chloride-ion content in hardened concrete to 0.06 percent by weight of cement.

C. Concrete Strength: Establish required average strength for each type of concrete on the basis of field experience or trial mixtures, as specified in ACI 301.

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1. For trial mixtures method, employ independent testing agency acceptable to Architect/Engineer for preparing and reporting proposed mix designs.

D. Admixtures: Add acceptable admixtures as recommended in ACI 211.1 and at rates recommended or required by manufacturer.

E. Footings: Proportion normal-weight concrete mixture as follows:

1. Minimum Compressive Strength: 3000 psi at 28 days.

2. Maximum Water-Cementitious Materials Ratio: 0.50.

3. Slump Limit: 4 inches, plus or minus 1 inch.

F. Stem Foundation Walls: Proportion normal-weight concrete mixture as follows:

1. Minimum Compressive Strength: 4000 psi at 28 days.

2. Maximum Water-Cementious Materials Ratio: 0.45.

3. Slump Limit: 4 inches, plus or minus 1 inch.

G. Interior Slabs-on-Grade: Proportion normal-weight concrete mixture as follows:

1. Minimum Compressive Strength: 4000 psi at 28 days.

2. Maximum Water-Cementious Materials Ratio: 0.45.

3. Slump Limit: 4 inches, plus or minus 1 inch.

4. Air Content: Do not allow air content of trowel-finished floors to exceed 3 percent.

H. Exterior Slabs-on-Grade, Exterior Retaining Walls, Exterior Equipment Pads, and Sidewalks:

Proportion normal-weight concrete mixture as follows:

1. Minimum Compressive Strength: 5000 psi at 28 days.

2. Maximum Water-Cemntitious Materials Ratio: 0.40.

3. Slump Limit: 4 inches, plus or minus 1 inch.

4. Air Contrent: 6 percent plus or minus 1.5 percent at point of delivery fo 3/4-inch nominal maximum aggregate size, determined in accordance with ASTM C173/C173M.

2.10 MIXING

A. Transit Mixers: Comply with ASTM C94/C94M.

1. When air temperature is between 85 and 90 deg F, reduce mixing and delivery time from 1-1/2 hours to 75 minutes; when air temperature is above 90 deg F, reduce mixing and delivery time to 60 minutes.

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2. Adding Water: If concrete arrives on-site with slump less than suitable for placement, do not add water that exceeds the maximum water-cement ratio or exceeds the maximum permissible slump.

PART 3 EXECUTION

3.1 EXAMINATION

A. Verify lines, levels, and dimensions before proceeding with work of this section.

3.2 PREPARATION

A. Formwork: Comply with requirements of ACI 301. Design and fabricate forms to support all applied loads until concrete is cured, and for easy removal without damage to concrete.

B. Verify that forms are clean and free of rust before applying release agent.

C. Coordinate placement of embedded items with erection of concrete formwork and placement of form accessories.

D. Coat contact surfaces of forms with form-release agent, according to manufacturer's written instructions, before placing reinforcement.

E. Where new concrete is to be bonded to previously placed concrete, prepare existing surface by cleaning and applying bonding agent in according to bonding agent manufacturer's instructions.

1. Use epoxy bonding system for bonding to damp surfaces, for structural load-bearing applications, and where curing under humid conditions is required.

F. Interior Slabs on Grade: Install vapor retarder under interior slabs on grade. Lap joints minimum 6 inches. Seal joints, seams and penetrations watertight with manufacturer's recommended products and follow manufacturer's written instructions. Repair damaged vapor retarder before covering.

1. Vapor Retarder Over Granular Fill: Install compactible granular fill before placing vapor retarder as indicated on drawings. Do not use sand.

3.3 INSTALLING REINFORCEMENT AND OTHER EMBEDDED ITEMS

A. Comply with requirements of ACI 301. Clean reinforcement of loose rust and mill scale, and accurately position, support, and secure in place to achieve not less than minimum concrete coverage required for protection.

B. Install welded wire reinforcement in maximum possible lengths, and offset end laps in both directions. Splice laps with tie wire.

C. Verify that anchors, seats, plates, reinforcement and other items to be cast into concrete are accurately placed, positioned securely, and will not interfere with concrete placement.

3.4 PLACING CONCRETE

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A. Before placing concrete, verify that installation of formwork, reinforcement, and embedded items is complete and that required inspections have been performed.

B. Do not add water to concrete during delivery, at Project site, or during placement unless approved by Architect and water has been withheld at ready-mix plant. Amount of water withheld shall be indicated on the mix delivery ticket.

C. Before test sampling and placing concrete, water may be added at Project site, subject to limitations of ACI 301 and Paragraph 3.4.B above

D. Place concrete in accordance with ACI 304R.

E. Place concrete for floor slabs in accordance with ACI 302.1R.

F. Notify Special Inspector not less than 48 hours prior to commencement of placement operations.

G. Maintain records of concrete placement. Record date, location, quantity, air temperature, and test samples taken.

H. Ensure reinforcement, inserts, waterstops, embedded parts, and formed construction joint devices will not be disturbed during concrete placement.

I. Deposit concrete continuously in one layer or in horizontal layers of such thickness that no new concrete will be placed on concrete that has hardened enough to cause seams or planes of weakness. If a section cannot be placed continuously, provide construction joints as indicated. Deposit concrete to avoid segregation.

1. Deposit concrete in horizontal layers of depth to not exceed formwork design pressures and in a manner to avoid inclined construction joints.

2. Consolidate placed concrete with mechanical vibrating equipment according to ACI 301.

3. Do not use vibrators to transport concrete inside forms. Insert and withdraw vibrators vertically at uniformly spaced locations to rapidly penetrate placed layer and at least 6 inches into preceding layer. Do not insert vibrators into lower layers of concrete that have begun to lose plasticity. At each insertion, limit duration of vibration to time necessary to consolidate concrete and complete embedment of reinforcement and other embedded items without causing mixture constituents to segregate.

J. Deposit and consolidate concrete for floors and slabs in a continuous operation, within limits of construction joints, until placement of a panel or section is complete.

1. Consolidate concrete during placement operations so concrete is thoroughly worked around reinforcement and other embedded items and into corners.

2. Maintain reinforcement in position on chairs during concrete placement.

3. Screed slab surfaces with a straightedge and strike off to correct elevations.

4. Slope surfaces uniformly to drains where required.

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5. Begin initial floating using bull floats or darbies to form a uniform and open-textured surface plane, before excess bleed water appears on the surface. Do not further disturb slab surfaces before starting finishing operations.

K. Cold-Weather Placement: Comply with ACI 306.1 and as follows. Protect concrete work from physical damage or reduced strength that could be caused by frost, freezing actions, or low temperatures.

1. When average high and low temperature is expected to fall below 40 deg F for three successive days, maintain delivered concrete mixture temperature within the temperature range required by ACI 301.

2. Do not use frozen materials or materials containing ice or snow. Do not place concrete on frozen subgrade or on subgrade containing frozen materials.

3. Do not use calcium chloride, salt, or other materials containing antifreeze agents or chemical accelerators unless otherwise specified and approved in mixture designs.

L. Hot-Weather Placement: Comply with ACI 301 and as follows:

1. Maintain concrete temperature below 90 deg F at time of placement. Chilled mixing water or chopped ice may be used to control temperature, provided water equivalent of ice is included in total amount of mixing water. Using liquid nitrogen to cool concrete is Contractor's option.

2. Fog-spray forms, steel reinforcement, and subgrade just before placing concrete. Keep subgrade uniformly moist without standing water, soft spots, or dry areas.

3.5 SLAB JOINTING

A. Locate joints as indicated on drawings.

B. Anchor joint fillers and devices to prevent movement during concrete placement.

C. Load Transfer Construction and Contraction Joints: Install load transfer devices as indicated;

saw cut joint at surface as indicated for contraction joints.

D. Construction Joints: Install so strength and appearance of concrete are not impaired, at locations indicated or as approved by Architect.

1. Place joints perpendicular to main reinforcement. Continue reinforcement across construction joints unless otherwise indicated. Do not continue reinforcement through sides of strip placements of floors and slabs.

2. Locate horizontal joints in walls and columns at underside of floors, slabs, beams, and girders and at the top of footings or floor slabs.

3. Space vertical joints in walls as indicated. Locate joints beside piers integral with walls, near corners, and in concealed locations where possible.

4. Use a bonding agent at locations where fresh concrete is placed against hardened or partially hardened concrete surfaces.

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E. Contraction Joints in Slabs-on-Grade: Form weakened-plane contraction joints, sectioning concrete into areas as indicated. Construct contraction joints for a depth equal to at least one-fourth of concrete thickness as follows:

1. Sawed Joints: Form contraction joints with power saws equipped with shatterproof abrasive or diamond-rimmed blades. Cut 1/8-inch-wide joints and cut at least 1 inch deep into concrete, when cutting action will not tear, abrade, or otherwise damage surface and before concrete develops random contraction cracks.

2. Doweled Joints: Install dowel bars and support assemblies at joints where indicated.

Lubricate or asphalt coat one-half of dowel length to prevent concrete bonding to one side of joint.

F. Isolation Joints in Slabs-on-Grade: After removing formwork, install joint-filler strips at slab junctions with vertical surfaces, such as column pedestals, foundation walls, grade beams, and other locations, as indicated.

1. Extend joint-filler strips full width and depth of joint, terminating flush with finished concrete surface unless otherwise indicated.

2. Terminate full-width joint-filler strips not less than 1/2 inch or more than 1 inch below finished concrete surface where joint sealants, specified in Section 07 9200 "Joint Sealants," are indicated.

3. Install joint-filler strips in lengths as long as practicable. Where more than one length is required, lace or clip sections together.

G. Align curb, gutter, and sidewalk joints.

1. Place 1/2 inch wide expansion joints at 30 foot intervals and to separate sidewalks and curbs from vertical surfaces and other components and in pattern indicated.

a. Form joints with joint filler extending from bottom of pavement to within 1/2 inch of finished surface.

b. Secure to resist movement by wet concrete.

2. Provide scored joints.

a. At 6 feet intervals.

b. Between sidewalks and curbs.

c. Between curbs/gutters and pavement

3.6 FLOOR FLATNESS AND LEVELNESS TOLERANCES

A. Contractor shall have an independent testing agency, as specified in Section 01 4000, to inspect finished slabs for compliance with specified tolerances. Special Inspector may be hired to inspect finished floor slab at the expense of the contractor. Testing of the floor flatness is not a special inspection and the cost of testing shall be paid for by the General Contractor as part of the contractor's quality assurance program.

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B. Minimum F(F) Floor Flatness and F(L) Floor Levelness Values:

1. Exposed to View and Foot Traffic (Mechanical & Electrical Rooms): F(F) of 20; F(L) of 17, on-grade only.

2. Exposed Concrete Floor in Interview Rooms: F(F) of 25; F(L) of 20, on-grade only.

3. Under Carpeting and Vinyl Tile: F(F) of 25; F(L) of 20, on-grade only.

4. Under Thin Resilient Flooring and Thinset Tile: F(F) of 35; F(L) of 25, on-grade only.

C. Measure F(F) Floor Flatness and F(L) Floor Levelness in accordance with ASTM E1155 (ASTM E1155M), within 24 hours after slab installation; report both composite overall values and local values for each measured section.

D. Correct the slab surface if composite overall value is less than specified and if local value is less than two-thirds of specified value or less than F(F) 13/F(L) 10.

E. Correct defects by grinding or by removal and replacement of the defective work. Areas requiring corrective work will be identified. Re-measure corrected areas by the same process.

3.7 CONCRETE FINISHING

A. Repair surface defects, including tie holes, immediately after removing formwork.

B. Unexposed Form Finish: Rub down or chip off fins or other raised areas 1/4 inch or more in height.

C. Exposed Form Finish: Rub down or chip off and smooth fins or other raised areas 1/4 inch or more in height. Provide finish as follows:

1. Smooth Rubbed Finish: Wet concrete and rub with carborundum brick or other abrasive, not more than 24 hours after form removal.

D. Concrete Slabs: Finish to requirements of ACI 302.1R, and as follows:

1. Surfaces to Receive Thin Floor Coverings: "Steel trowel" as described in ACI 302.1R; thin floor coverings include carpeting, resilient flooring, seamless flooring, resinous matrix terrazzo, thin set quarry tile, and thin set ceramic tile.

2. Other Surfaces to Be Left Exposed: Trowel as described in ACI 302.1R, minimizing burnish marks and other appearance defects.

E. Broom Finish: Apply a broom finish to exterior concrete steps, ramps, sidewalks, curbs and gutters, and elsewhere as indicated.

1. Immediately after float finishing, slightly roughen trafficked surface by brooming with fiber-bristle broom perpendicular to main traffic route. Coordinate required final finish with Architect before application.

2. Curbs and Gutters: Apply light broom texture parallel to pavement direction.

3.8 MISCELLANEOUS CONCRETE ITEMS

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A. Filling In: Fill in holes and openings left in concrete structures after work of other trades is in place unless otherwise indicated. Mix, place, and cure concrete, as specified, to blend with in-place construction. Provide other miscellaneous concrete filling indicated or required to complete the Work.

B. Exterior Equipment Bases and Foundations:

1. Coordinate sizes and locations of concrete bases with actual equipment provided.

2. Construct concrete bases 4 inches above finished grade, unless otherwise indicated; and extend base not less than 6 inches in each direction beyond the maximum dimensions of supported equipment, unless otherwise indicated or unless required for seismic anchor support.

3. Minimum Compressive Strength: 5000 psi at 28 days.

4. Prior to pouring concrete, place and secure anchorage devices. Use setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded.

3.9 CURING AND PROTECTION

A. Comply with requirements of ACI 308R. Immediately after placement, protect concrete from premature drying, excessively hot or cold temperatures, and mechanical injury.

1. General: Protect freshly placed concrete from premature drying and excessive cold or hot temperatures. Comply with ACI 306.1 for cold-weather protection and ACI 301 for hot-weather protection during curing.

2. Evaporation Retarder: Apply evaporation retarder to unformed concrete surfaces if hot, dry, or windy conditions cause moisture loss approaching 0.2 lb/sq. ft. x h before and during finishing operations. Apply according to manufacturer's written instructions after placing, screeding, and bull floating or darbying concrete, but before float finishing.

B. Maintain concrete with minimal moisture loss at relatively constant temperature for period necessary for hydration of cement and hardening of concrete.

1. Normal concrete: Not less than seven days.

C. Formed Surfaces: Cure by moist curing with forms in place for full curing period.

D. Surfaces Not in Contact with Forms:

1. Initial Curing: Start as soon as free water has disappeared and before surface is dry.

Keep continuously moist for not less than three days by water ponding, water-saturated sand, water-fog spray, or saturated burlap.

a. Ponding: Maintain 100 percent coverage of water over floor slab areas, continuously for 4 days.

b. Spraying: Spray water over floor slab areas and maintain wet.

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c. Saturated Burlap: Saturate burlap-polyethylene and place burlap-side down over floor slab areas, lapping ends and sides; maintain in place.

2. Final Curing: Begin after initial curing but before surface is dry.

a. Moisture-Retaining Sheet: Lap strips not less than 3 inches and seal with waterproof tape or adhesive; secure at edges.

b. Curing Compound: Apply in two coats at right angles, using application rate recommended by manufacturer.

E. Cure concrete according to ACI 308.1, by one or a combination of the following methods:

1. Moisture Curing: Keep surfaces continuously moist for not less than seven days with the following materials:

a. Water.

b. Continuous water-fog spray.

c. Absorptive cover, water saturated, and kept continuously wet. Cover concrete surfaces and edges with 12-inch lap over adjacent absorptive covers.

2. Moisture-Retaining-Cover Curing: Cover concrete surfaces with moisture-retaining cover for curing concrete, placed in widest practicable width, with sides and ends lapped at least 12 inches, and sealed by waterproof tape or adhesive. Cure for not less than seven days. Immediately repair any holes or tears during curing period using cover material and waterproof tape.

a. Moisture cure or use moisture-retaining covers to cure concrete surfaces to receive floor coverings.

b. Moisture cure or use moisture-retaining covers to cure concrete surfaces to receive penetrating liquid floor treatments.

c. Cure concrete surfaces to receive floor coverings with either a moisture-retaining cover or a curing compound that the manufacturer certifies will not interfere with bonding of floor covering used on Project.

3. Curing Compound: Apply uniformly in continuous operation by power spray or roller according to manufacturer's written instructions. Recoat areas subjected to heavy rainfall within three hours after initial application. Maintain continuity of coating and repair damage during curing period.

a. Removal: After curing period has elapsed, remove curing compound without damaging concrete surfaces by method recommended by curing compound manufacturer unless manufacturer certifies curing compound will not interfere with bonding of floor covering used on Project.

4. Curing and Sealing Compound: Apply uniformly to floors and slabs indicated in a continuous operation by power spray or roller according to manufacturer's written instructions. Recoat areas subjected to heavy rainfall within three hours after initial

Cast-in-Place Concrete 17679 03 3000/17 of 19 application. Repeat process 24 hours later and apply a second coat. Maintain continuity of coating and repair damage during curing period.

5. Moisture-Retaining-Cover Curing: Cover concrete surfaces with moisture-retaining cover for curing concrete, placed in widest practicable width, with sides and ends lapped at least 12 inches, and sealed by waterproof tape or adhesive. Cure for not less than seven days. Immediately repair any holes or tears during curing period using cover material and waterproof tape.

3.10 JOINT FILLING

A. Prepare, clean, and install joint filler according to manufacturer's written instructions.

1. Defer joint filling until concrete has aged at least one month(s). Do not fill joints until construction traffic has permanently ceased.

B. Remove dirt, debris, saw cuttings, curing compounds, and sealers from joints; leave contact faces of joint clean and dry.

C. Install semirigid joint filler full depth in saw-cut joints and at least 2 inches deep in formed joints. Overfill joint and trim joint filler flush with top of joint after hardening.

3.11 FIELD QUALITY CONTROL

A. Special Inspector will perform field quality control tests, as specified in Section 01 4533 - Code- Required Special Inspections and Procedures.

B. Provide free access to concrete operations at project site and cooperate with appointed firm.

C. Inspections:

D. Steel reinforcement placement.

1. Headed bolts and studs.

2. Verification of use of…