Attachment 16 VPAR Technical Addendum 2.pdf

ADDENDUM NO. 2

V-PAR: VTOL Performance and Analysis Range Mike Monroney Aeronautical Center

SIR: 6973GH-26-R-00020 | WO# 2023-030509 11/20/2025

Prepared By: Tracy Hartman, AMP-400

Items in this Addendum take precedence of the original Construction Documents. Items not specifically revised in this document remain in the scope of work.

1. The following Project Manual Sections are revised and attached to this document:

01 30 00 – Submittals 03 30 00 – Concrete 23 00 00 – Test and Balance

2. Vapor Barrier Locations: Provide under slab vapor retarder at both Weather Shelter and Support Building.

3. Communication Equipment Clarification: Contractor is responsible for providing and installing the following equipment in Room 104. All work and equipment shall comply with Division 27 of the Project Manual.

Rack: 1ea, 19”, 2-post rack with 2 cable managements on each side.

Patch Panel: 1ea, 24-port copper patch panel Patch Panel: 1ea, 24-port CAT-6 patch panel Switch: By FAA Labeling: 6-digit labeling per Division 27 Testing: As required by Division 27

4. Fire Alarm Panel Connection Clarification: Contractor to provide fiber connection from fire alarm panel to rack-mounted patch panel and switch. FAA will provide IP addresses and coordinate access. Switch will be provided by FAA.

5. Telecommunication Cabling Clarification: All telecommunications cabling (internal and external) to be provided Contractor. This includes installing all copper and fiber and must include all terminations and testing of cabling. Contractor must provide all materials necessary to complete all telecommunications, cabling both internal and external. FAA will assist to provide access to all necessary telecom infrastructure (manholes, connected bldgs, etc.)

6. Paving Contractor Prequalification: A City of OKC prequalified Paving Contractor Class B, or better is required.

SUBMITTALS, REVISED 01 30 00 - 1

V-PAR, VTOL – PERFORMANCE AND ANALYSIS RANGE BUILDING OK70448-013

SECTION 01 30 00 - SUBMITTALS, REVISED

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Submittal Schedule.

B. Submittal procedures.

C. Digital Project Management Procedures.

D. Format of Submittals.

E. Construction progress schedules.

F. Proposed Products list.

G. Waste Management Plan in accordance with AMS Clause # 3.6.3-22

1.2 RELATED SECTIONS

A. Section 01 40 00 - Quality Requirements: Manufacturers' field services and reports.

B. Section 01 70 00 - Contract Closeout: Contract warranties, bonds, manufacturers' certificates, and closeout submittals.

1.3 SUBMITTAL SCHEDULES

A. Submit to the Contracting Officer an electronic submittal schedule at the first progress meeting.

Schedule shall include but not be limited to specification Section number, specification title, paragraph number, and/or drawing number, description of submitted item, date submitted, date to location, reviewer action. Update the schedule at each subsequent progress meeting. Refer to example of schedule as attached at the end of this Section.

1.4 SUBMITTAL PROCEDURES

A. Transmit each submittal with Contracting Officer accepted completed transmittal form as attached to this specification Section.

B. Sequentially number the transmittal forms. Revise submittals with original number and a sequential alphabetic suffix. Example: 262200-01-00 - Low Voltage Transformers. If a resubmittal is required, the subsequent submittal number would be 262200-02-01 - Low Voltage Transformers.

SUBMITTALS, REVISED 01 30 00 - 2

C. Identify Project, Contractor, Subcontractor or Supplier; pertinent drawing and detail number, and specification Section number, as appropriate.

D. Apply Contractor's stamp, signed or initialed certifying that review, verification of Products required, field dimensions, adjacent construction Work, and coordination of information, is in accordance with the requirements of the Work and Contract Documents. If the Contractor's review has not been completed, the submittal will be returned with no action.

Schedule submittals to expedite the Project. Electronically deliver submittals to Architect at construction@guernsey.us. The Architect will review the submittal and forward to the Contracting Officer’s e-mail address for review. Coordinate submission of related items.

F. For each submittal for review, allow fourteen (14 Calendar days) excluding delivery time to and from the Contractor. Seven (7) calendar days for A/E review and seven (7) calendar days for FAA review.

G. Identify variations from Contract Documents and Product or system limitations, which may be detrimental to successful performance of the completed Work.

H. Provide space for Architect, Contractor and Contracting Officer review stamps.

I. On submittals that are categorized as "revise and resubmit", identify all changes made since previous submission.

J. Distribute copies of reviewed submittals as appropriate. Instruct parties to promptly report any inability to comply with provisions.

K. Submittals not requested will not be recognized or processed.

L. Waste Management Plan in accordance with AMS Clause # 3.6.3-22. Periodic (monthly) demolition waste management/disposition inventories should be submitted.

1.5 DIGITAL PROJECT MANAGEMENT PROCEDURES

A. Web-Based Project Management Software Package: Use Architect's web-based Project management software package for purposes of hosting and managing Project communication and documentation until Final Completion.

1. Web-based Project management software includes, at a minimum, the following features:

a. Compilation of Project data, including Contractor, subcontractors, Architect, Architect's consultants, Owner, and other entities involved in Project. Include names of individuals and contact information.

b. Access control for each entity for each workflow process, to determine entity's digital rights to create, modify, view, and print documents.

c. Document workflow planning, allowing customization of workflow between project entities.

d. Creation, logging, tracking, and notification for Project communications required in other Specification Sections, including, but not limited to, RFIs, submittals, Minor Changes in the Work, Construction Change Directives, and Change Orders.

e. Track status of each Project communication in real time, and log time and date when responses are provided.

f. Procedures for handling PDFs or similar file formats, allowing markups by each entity. Provide security features to lock markups against changes once submitted.

g. Processing and tracking of payment applications.

Schedule submittals to expedite the Project. Electronically deliver submittals to A/E, Contracting Officer (CO), and Contracting Officer's Representative (COR) at the same time. Coordinate submission of related items. A/E's email for submittals is construction@guernsey.us. Emails for CO and COR will be provided at the pre-construction meeting.

E.

Web-Based Project Management Software: Contractor may utilize web-based project management software for the purpose of hosting and managing Project communication and documentation until Final Completion.

mailto:ca@fsb-ae.com mailto:ca@fsb-ae.com

SUBMITTALS, REVISED 01 30 00 - 3

h. Processing and tracking of contract modifications.

i. Creating and distributing meeting minutes.

j. Document management for Drawings, Specifications, and coordination drawings, including revision control.

k. Management of construction progress photographs.

l. Mobile device compatibility, including smartphones and tablets.

1.6 FORMAT OF SUBMITTALS

A. Electronic submittals are required. Coordinate procedure with the project manager. Submittals of entire systems shall be submitted as a complete unit with necessary appurtenances related and/or a part of the systems unit. Systems shall be defined as follows but not limited to those listed: HVAC, plumbing, and any other system which will require sub-systems for the system to work in a manner as designed in the Contract Documents.

B. Identifying Submittals: Identify submittals, except sample panel and sample installation, with the following information permanently adhered to or noted on each separate component of each submittal and noted on the transmittal form. Tab indexed Section dividers as required to separate components or Products. Mark each copy of each submittal identically, with the following:

1. Project title and location.

2. Construction contract number.

3. The Section number of the specification Section by which the submittal is required

(262200-01-00 - Low Voltage Transformers))

4. The name, address, and telephone number of the Subcontractor, supplier, manufacturer and any other second tier Contractor associated with the submittal.

5. Product identification and location in Project.

C. Format for Product Data:

1. Submit electronic copies which the Contract requires, one (1) copy the Contractor shall submit as a Project record documents in accordance with Conditions of the Contract.

Present Product data submittals for each Section as a complete submittal. Include a table of contents listing page and catalog item numbers for Product data.

2. Indicate, by prominent notation, each Product which is being submitted; indicate the specification Section number and paragraph number to which it pertains. Identify applicable Products, models, options, and other data. Provide results of test reports specified in each specification Section. Supplement manufacturers' standard data to provide information unique to this Project.

3. Indicate Product utility and electrical characteristics, utility connection requirements, and location of utility outlets for service for functional equipment and appliances.

4. Supplement Product data with material prepared for the Project to satisfy submittal requirements for which Product data does not exist. Identify this material as developed specifically for the Project.

At completion of Project, provide a digital archive in .pdf format. Alternate formats may be proposed for for A/E and FAA review/approval. Provide data in locked format to prevent further changes.

Manufacurers: Subject to compliance with requirements, acceptable products by the following companies are acceptable.

a. Newforma

b. Procore

c. Similar submittal services are acceptable. Contractor is responsible for providing access.

3.

2.

mailto:construction@guernsey.us

SUBMITTALS, REVISED 01 30 00 - 4

5. After review distribute in accordance with the Submittal Procedures article above and provide copies for record documents described in Section 00 17 00 - CONTRACT

CLOSEOUT.

D. Format for Shop Drawings:

1. Electronic submittals are required. Coordinate procedure with the project manager.

2. Shop drawings shall not be less than 8 1/2 by 11 inches nor more than 24 x 36 inches.

Present 8-1/2 x 11-sized shop drawings as a part of the bound volume for the submittals required by the Section. Present larger drawings in sets. Include on each drawing the drawing title, number, date, and revision numbers and dates, in addition to the information required in the paragraph entitled "Identifying Submittals." Dimension drawings, except diagrams and schematic drawings; prepare drawings demonstrating interface with other trades to scale. Identify materials and Products for Work shown.

3. Shop Drawings: Submit for review. After review, from web based project management software as required produce copies and distribute in accordance with the SUBMITTAL PROCEDURES article above and for record documents purposes described in Section 01

70 00 - CONTRACT CLOSEOUT.

4. Indicate special utility and electrical characteristics, utility connection requirements, and location of utility outlets for service for functional equipment and appliances.

E. Format of Samples: Submit the number physical samples specified in individual specification sections; one of which will be retained by Contracting Officer (CO). In addition to physical samples, provide a digital record (with photos) of physical samples that will be submitted for review via Web-Based Project Management Software. Physical samples that are submitted without the digital record will not be reviewed.

1. Furnish samples in the sizes below, unless otherwise specified or unless the manufacturer has prepackaged samples of approximately the same size as specified:

a. Sample of Equipment or Device: Full size.

b. Sample of Materials less than 2 by 3 inches: Built up to 8 1/2 by 11 inches.

c. Sample of Materials exceeding 8 1/2 by 11 inches: Cut down to 8 1/2 by 11 inches and adequate to indicate color, texture, and material variations.

d. Sample of Linear Devices or Materials: 10-inch length or length to be supplied, if less than 10 inches. Examples of linear devices or materials are conduit and handrails.

e. Color Selection Samples: 2 inches by 4 inches.

f. Sample Panel: 4 feet by 4 feet.

2. Submit the number of samples specified in individual specification Sections; one of which will be retained by Contracting Officer.

3. Submit samples to illustrate functional and aesthetic characteristics of the Product, with integral parts and attachment devices. Coordinate sample submittals for interfacing Work.

4. Submit samples of finishes from the full range of manufacturers' standard colors, textures, and patterns for Contracting Officer selection, if color is not specified or indicated on the Drawings.

5. Samples Showing Range of Variation: Where variations are unavoidable due to the nature of the materials, submit sets of samples of not less than three units showing the extremes and middle of the range.

6. Reusable Samples: Incorporate returned samples into the Work only if so specified or indicated. Incorporated samples shall be in undamaged condition at the time of use.

7. Recording of Sample Installation: Note and preserve the notation of the area constituting the sample installation but remove the notation at the final cleanup of the Project.

8. When a color, texture or pattern is specified in naming a particular manufacturer and style, include one sample of that manufacturer and style, for comparison.

9. Physical samples must be submitted within 10 business days. Review of samples will begin when the physical samples have been received.

SUBMITTALS, REVISED 01 30 00 - 5

F. Format of Administrative Submittals:

1. When the submittal includes a document which is to be used in the Project or become a part of the Project record, other than as a submittal, do not apply the Contractor's approval stamp to the document, but to a separate sheet accompanying the document.

2. Operation and Maintenance Manual Data: Submit in accordance with Section 01730, Operation and Maintenance Data. Include components required in that Section and the various technical Sections.

3. Waste Management Plan in accordance with AMS Clause # 3.6.3-22. Periodic (monthly) demolition waste management/disposition inventories should be submitted.

G. Manufacturer Installation Instructions:

1. When specified in individual specification Sections, submit printed instructions for delivery, storage, assembly, installation, start-up, adjusting, and finishing, to Contracting Officer in quantities specified for Product Data.

2. Indicate special procedures, perimeter conditions requiring special attention, and special environmental criteria required for application or installation.

H. Manufacturer Certificates:

1. When specified in individual specification Sections, submit certification by manufacturer to

Contracting Officer, in quantities specified for Product Data.

2. Indicate material or Product conforms to or exceeds specified requirements. Submit supporting reference data, affidavits, and certifications as appropriate.

3. Certificates may be recent or previous test results on material or Product, but must be acceptable to Contracting Officer.

1.7 CONSTRUCTION PROGRESS SCHEDULES

A. Submit initial baseline schedule within five (5) days after date established in Notice to Proceed.

B. Construction progress schedule shall have construction activity line items that correspond to the schedule of values as listed in Section 01 00 11 90 - Contract Considerations.

C. Revise and resubmit the construction progress schedule to reflect the actual progress of construction. The original baseline schedule shall not change except, as permitted with approved extension of time.

D. Submit revised schedules with each Application for Payment, identifying changes since previous version. The application for payment shall not be considered complete, and the application will not be processed until the schedule or revised schedule is submitted.

E. Submit a computer-generated chart with separate line for each major activity or Section of Work, identifying first workday of each week.

F. Show complete sequence of construction by activity, identifying Work of separate stages and other logically grouped activities. Indicate the early and late start, early and late finish, float dates, and duration.

G. Indicate estimated percentage of completion for each item of Work at each submission.

H. Indicate submittal dates required for shop drawings, Product data, samples, and Product delivery dates, in relationship to the scheduled installation.

SUBMITTALS, REVISED 01 30 00 - 6

1.8 PROPOSED PRODUCTS LIST

A. Within fifteen (15) days after date of Notice to Proceed, submit list of major Products proposed for use, with name of manufacturer, trade name, and model number of each Product.

B. For Products specified only by reference standards, give manufacturer, trade name, model or catalog designation, and reference standards.

PART 2 - PRODUCTS

Not Used

PART 3 - EXECUTION

Not Used

END OF SECTION

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 1

SECTION 03 30 00 - CAST-IN-PLACE CONCRETE, REVISED

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Concrete standards.

2. Concrete materials.

3. Admixtures.

4. Vapor retarders.

5. Curing materials.

6. Accessories.

7. Repair materials.

8. Concrete mixture materials.

9. Concrete mixture class types.

10. Concrete mixing.

B. Related Requirements:

1. Section 03 10 00 "Concrete Forming and Accessories" for form-facing materials, form liners, insulating concrete forms, and waterstops.

2. Section 03 20 00 "Concrete Reinforcing" for steel reinforcing bars and welded-wire reinforcement.

3. Section 20 03 12 "Earthwork" for drainage fill under slabs-on-ground.

1.2 DEFINITIONS

A. Cementitious Materials: Portland cement or blended hydraulic cement alone or in combination with one or more of the following:

1. Fly ash, slag cement, other pozzolans, and silica fume; materials subject to compliance with requirements.

B. Water/Cementitious Materials (w/cm) Ratio: The ratio by weight of mixing water to cementitious materials.

1.3 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site.

1. Require representatives of each entity directly concerned with cast-in-place concrete to attend, including the following:

a. Contractor's superintendent.

b. Independent testing agency responsible for inspections and acceptance testing of concrete at Project site.

c. Ready-mix concrete manufacturer.

d. Concrete Subcontractor.

2. Review the following:

a. Special inspection and testing and inspecting agency procedures for field quality control.

b. Construction joints, control joints, isolation joints, and joint-filler strips.

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 2

c. Semirigid joint fillers.

d. Anchor rod and anchorage device installation tolerances.

e. Cold- and hot-weather concreting procedures.

f. Concrete finishes and finishing.

g. Curing procedures.

h. Concrete repair procedures.

i. Concrete protection.

j. Initial curing of standard-cured and field curing of field-cured test cylinders (ASTM

C31/C31M.)

k. Protection of field cured field test cylinders.

l. Distribution of test reports.

1.4 ACTION SUBMITTALS

A. Product Data:

1. Portland cement.

2. Blended hydraulic cement.

3. Performance-based hydraulic cement.

4. Fly ash.

5. Aggregates.

6. Admixtures:

a. Include limitations of use. Admixtures that do not comply with reference ASTM International requirements must be submitted with test data for approval.

7. Vapor retarders.

8. Floor and slab treatments.

9. Liquid floor treatments.

10. Curing materials.

11. Joint fillers.

12. Repair materials.

B. Design Mixtures: For each concrete mixture, include the following:

1. Mixture identification.

2. Compressive strength at 28 days or other age as specified.

3. Compressive strength required at stages of construction.

4. Durability exposure classes for Exposure Categories F, S, W, and C.

5. Maximum w/cm ratio.

6. Calculated equilibrium and fresh density for lightweight concrete.

7. Slump or slump flow limit.

8. Air content.

9. Nominal maximum aggregate size.

10. Intended placement method.

11. Submit adjustments to design mixtures when characteristics of materials, Project conditions, weather, test results, or other circumstances warrant changes.

C. Shop Drawings:

1. Construction Joint Layout: Indicate proposed construction joints required to construct the structure.

a. Location of construction joints is subject to approval of the Architect.

D. Concrete Schedule: For each location of each class of concrete indicated in "Concrete Mixture Class Types" Article, including the following:

1. Concrete class designation.

2. Location within Project.

3. Exposure class designation.

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 3

4. Formed surface finish designation and final finish.

5. Final finish for floors.

6. Floor treatment, if any.

1.5 INFORMATIONAL SUBMITTALS

A. Material Certificates: For each of the following:

1. Cementitious materials.

2. Admixtures.

3. Curing compounds.

4. Vapor retarders.

5. Semirigid joint filler.

6. Joint-filler strips.

7. Repair materials.

B. Material Test Reports: For the following:

1. Portland cement.

2. Blended hydraulic cement.

3. Performance-based hydraulic cement.

4. Fly ash.

5. Aggregates.

6. Admixtures.

C. Floor surface flatness and levelness measurements report, indicating compliance with specified tolerances in accordance with ACI 117 and in compliance with ASTM E1155.

D. Research Reports:

1. For concrete admixtures in accordance with ICC's Acceptance Criteria AC198.

2. For sheet vapor retarder/termite barrier, showing compliance with ICC's Acceptance

Criteria AC380.

E. Preconstruction Test Reports: For each mix design.

F. Field quality-control reports.

G. Minutes of preinstallation conference.

1.6 QUALITY ASSURANCE

A. Installer Qualifications: A qualified Installer who employs Project personnel qualified as an ACI-certified Concrete Flatwork Associate and Concrete Flatwork Finisher and a supervisor who is a certified ACI Advanced Concrete Flatwork Finisher/Technician or an ACI Concrete Flatwork Finisher with experience installing and finishing concrete.

1. Post-Installed Concrete Anchors Installers: ACI-certified Adhesive Anchor Installer.

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

1. Manufacturer's production facilities and delivery vehicles certified in accordance with

NRMCA's certification requirements or equivalent approval by a State DOT.

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 4

C. Field Quality-Control Testing Agency Qualifications: An independent agency, acceptable to authorities having jurisdiction, qualified in accordance with ASTM C1077 and ASTM E329 for testing indicated.

1. Personnel conducting field tests on plastic concrete properties are to be qualified as an

ACI Concrete Field Testing Technician, Grade 1, in accordance with policies from ACI CPP 610.1 or an equivalent certification program.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Comply with ASTM C94/C94M and ACI 301.

1.8 FIELD CONDITIONS

A. Cold-Weather Placement: Comply with ACI 301 as follows:

1. Protect concrete work from physical damage or reduced strength that could be caused by frost, freezing actions, or low temperatures.

2. When air temperature has fallen to or is expected to fall below 40 deg F during the protection period, maintain delivered concrete mixture temperature within the temperature range required by ACI 301.

3. Do not use frozen materials or materials containing ice or snow.

4. Do not place concrete in contact with surfaces less than 35 deg F, other than reinforcing steel.

B. Hot-Weather Placement: Comply with ACI 301 and ACI 305.1, and as follows:

1. Maintain concrete temperature at time of discharge to not exceed.

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

1.9 WARRANTY

A. Manufacturer's Warranty: Manufacturer agrees to furnish replacement sheet vapor retarder/termite barrier material and accessories for sheet vapor retarder/ termite barrier and accessories that do not comply with requirements or that fail to resist penetration by termites within specified warranty period.

1. Warranty Period: 10 years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1 CONCRETE STANDARDS

A. ACI Publications: Comply with ACI 301 unless modified by requirements in the Contract Documents.

2.2 CONCRETE MATERIALS

A. Source Limitations:

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 5

1. Obtain all concrete mixtures from a single ready-mixed concrete manufacturer for entire Project.

2. Obtain each type of admixture from single source from single manufacturer.

B. Cementitious Materials:

1. Portland Cement: ASTM C150/C150M, Type I Type II, gray.

2. Blended Hydraulic Cement: ASTM C595/C595M, Type IP, Portland-pozzolan Type IL, portland-limestonecement.

3. Performance-Based Hydraulic Cement: ASTM C1157/C1157M: Type GU, general use.

4. Pozzolans: ASTM C618, Class C, F, or N.

C. Normal-Weight Aggregates:

1. Coarse Aggregate: ASTM C33/C33M, Class 3S

2. Maximum Coarse-Aggregate Size: 3/4 inch nominal.

3. Fine Aggregate: ASTM C33/C33M.

2.3 ADMIXTURES

A. Air-Entraining Admixture: ASTM C260/C260M.

B. Chemical Admixtures: Do not use calcium chloride or admixtures containing calcium chloride.

1. Water-Reducing Admixture: ASTM C494/C494M, Type A.

2. Retarding Admixture: ASTM C494/C494M, Type B.

3. Water-Reducing and -Retarding Admixture: ASTM C494/C494M, Type D.

4. High-Range, Water-Reducing Admixture: ASTM C494/C494M, Type F.

5. High-Range, Water-Reducing and -Retarding Admixture: ASTM C494/C494M, Type G.

6. Admixtures with special properties, with documentation of claimed performance enhancement, ASTM C494/C494M, Type S.

C. Mixing Water for Concrete Mixtures and Water Used to Make Ice: ASTM C1602/C1602M.

Include documentation of compliance with limits for alkalis, sulfates, chlorides, or solids content of mixing water from Table 2 in ASTM C1602/C1602M.

2.4 CURING MATERIALS

A. Evaporation Retarder: Waterborne, monomolecular film forming, manufactured for application to fresh concrete.

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

C. Moisture-Retaining Cover: ASTM C171, polyethylene film burlap-polyethylene sheet.

1. Color:

a. Ambient Temperature Below 50 deg F (10 deg C): Black.

b. Ambient Temperature between 50 and 85 deg F (10 and 29 deg C): Any color.

c. Ambient Temperature Above 85 deg F (29 deg C): White.

D. Water: Potable water that does not cause staining of the surface.

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 6

2.6 REPAIR MATERIALS

A. Repair Underlayment: Cement-based, polymer-modified, self-leveling product that can be applied in thicknesses from 1/8 inch and that can be feathered at edges to match adjacent floor elevations.

1. Cement Binder: ASTM C150/C150M portland cement or hydraulic or blended hydraulic cement, as defined in ASTM C219.

2. Primer: Product of underlayment manufacturer recommended for substrate, conditions, and application.

3. Aggregate: Well-graded, washed gravel, 1/8 to 1/4 inch or coarse sand, as recommended by underlayment manufacturer.

4. Compressive Strength: Not less than 4100 psi at 28 days when tested in accordance with

ASTM C109/C109M.

2.5 ACCESSORIES

A. Semirigid Joint Filler: Two-component, semirigid, 100 percent solids, aromatic polyurea with a Type A shore durometer hardness range of 90 to 95 in accordance with ASTM D2240.

2.7 CONCRETE MIXTURE MATERIALS

A. Prepare design mixtures for each type and strength of concrete, proportioned on the basis of laboratory trial mixture or field test data, or both, in accordance with ACI 301.

1. Use a qualified testing agency for preparing and reporting proposed mixture designs, based on laboratory trial mixtures.

B. Cementitious Materials: Limit percentage, by weight, of cementitious materials other than portland or hydraulic cement in concrete assigned to Exposure Class F3 as follows:

1. Fly Ash or Other Pozzolans: 25 percent by mass.

C. Admixtures: Use admixtures in accordance with manufacturer's written instructions.

1. Use corrosion-inhibiting admixture in concrete mixtures where indicated.

2.8 CONCRETE MIXTURE CLASS TYPES

A. Class A: Normal-weight concrete used for footings, , , and slab-on-grade.

1. Exposure Class: ACI 318 Class F2

2. Minimum Compressive Strength: As indicatedat 28 days.

3. Maximum w/cm Ratio: As indicated .

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

5. Air Content:

a. Exposure Classes F2 and F3: 6.0 percent, plus or minus 1.5 percent at point of delivery for concrete containing 3/4-inch nominal maximum aggregate size.

6. Limit water-soluble, chloride-ion content in hardened concrete to 0.15percent by weight of cementitious materials.

2.9 CONCRETE MIXING

A. Ready-Mixed Concrete: Measure, batch, mix, and deliver concrete in accordance with ASTM C94/C94M and furnish delivery ticket.

B. Project-Site Mixing: Measure, batch, and mix concrete materials and concrete in accordance with ASTM C94/C94M. Mix concrete materials in appropriate drum-type batch machine mixer.

1. For mixer capacity of 1 cu. yd. or smaller, continue mixing at least 1-1/2 minutes, but not more than five minutes after ingredients are in mixer, before any part of batch is released.

2. For mixer capacity larger than 1 cu. yd., increase mixing time by 15 seconds for each additional 1 cu. yd..

3. Provide batch ticket for each batch discharged and used in the Work, indicating Project identification name and number, date, mixture type, mixture time, quantity, and amount of water added. Record approximate location of final deposit in structure.

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 7

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verification of Conditions:

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

2. Do not proceed until unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Provide reasonable auxiliary services to accommodate field testing and inspections, acceptable to testing agency, including the following:

1. Daily access to the Work.

2. Incidental labor and facilities necessary to facilitate tests and inspections.

3. Secure space for storage, initial curing, and field curing of test samples, including source of water and continuous electrical power at Project site during site curing period for test samples.

4. Security and protection for test samples and for testing and inspection equipment at Project site.

3.3 TOLERANCES

A. Comply with ACI 117.

3.4 INSTALLATION OF EMBEDDED ITEMS

A. Place and secure anchorage devices and other embedded items required for adjoining Work that is attached to or supported by cast-in-place concrete.

1. Use setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded.

2.10 VAPOR RETARDER

A. Provide vapor retarder with the following properties.

1. Permeance: Less than 0.01 Perms per ASTM E1745 Section 7.1 (7.1.1-7.1.5).

2. Strength: ASTM E1745 Class A.

3. Thickness: 15 mils minimum

4. Third party documentation that all testing was performed on a single production roll per ASTM E1745 Section 8.1

B. Basis of Design: Stego Wrap Vapor Barrier (15-mil) by Stego Industries LLC.

1. Equal products from the following manufacturers are acceptable:

a. Viaflex, Vapor Block

b. W.R. Meadows, Perminator

C. Accessories: Provide the following. All products must be approved for use by the manufactuer.

1. Seam sealing tape

2. Edge sealing mastic

3. Penetration seal boots and or mastic

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 8

3.5 INSTALLATION OF CAST-IN-PLACE CONCRETE

A. Before placing concrete, verify that installation of formwork, reinforcement, embedded items, and vapor retarder is complete and that required inspections are completed.

1. Immediately prior to concrete placement, inspect vapor retarder for damage and deficient installation, and repair defective areas.

2. Provide continuous inspection of vapor retarder during concrete placement and make necessary repairs to damaged areas as Work progresses.

B. Notify Architect and testing and inspection agencies 24 hours prior to commencement of concrete placement.

C. Water addition in transit or at the Project site must be in accordance with ASTM C94/C94M and must not exceed the permitted amount indicated on the concrete delivery ticket.

D. Deposit concrete continuously in one layer or in horizontal layers of such thickness that no new concrete is placed on concrete that has hardened enough to cause seams or planes of weakness.

1. If a section cannot be placed continuously, provide construction joints as indicated.

2. Deposit concrete to avoid segregation.

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

4. Consolidate placed concrete with mechanical vibrating equipment in accordance with

ACI 301.

a. Do not use vibrators to transport concrete inside forms.

b. Insert and withdraw vibrators vertically at uniformly spaced locations to rapidly penetrate placed layer and at least 6 inches into preceding layer.

c. Do not insert vibrators into lower layers of concrete that have begun to lose plasticity.

d. 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.

E. 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. Do not place concrete floors and slabs in a checkerboard sequence.

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

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

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

5. Level concrete, cut high areas, and fill low areas.

6. Slope surfaces uniformly to drains where required.

7. Begin initial floating using bull floats or darbies to form a uniform and open-textured surface plane, before excess bleedwater appears on the surface.

8. Do not further disturb slab surfaces before starting finishing operations.

3.6 INSTALLATION OF JOINTS

A. Construct joints true to line, with faces perpendicular to surface plane of concrete.

B. Construction Joints: Coordinate with floor slab pattern and concrete placement sequence.

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 9

1. Install so strength and appearance of concrete are not impaired, at locations indicated on Drawings or as approved by Architect.

2. Place joints perpendicular to main reinforcement.

a. Continue reinforcement across construction joints unless otherwise indicated.

3. Form keyed joints as indicated. Embed keys at least 1-1/2 inches into concrete.

4. Locate joints for beams, slabs, joists, and girders at third points of spans. Offset joints in girders a minimum distance of twice the beam width from a beam-girder intersection.

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

6. Space vertical joints in walls as indicated on Drawings. Unless otherwise indicated on

Drawings, locate vertical joints beside piers integral with walls, near corners, and in concealed locations where possible.

C. Control Joints in Slabs-on-Ground: Form weakened-plane control joints, sectioning concrete into areas as indicated. Construct control joints for a depth equal to at least one-fourth of concrete thickness as follows:

1. Grooved Joints: Form control joints after initial floating by grooving and finishing each edge of joint to a radius of 1/8 inch. Repeat grooving of control joints after applying surface finishes. Eliminate groover tool marks on concrete surfaces.

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

D. Isolation Joints in Slabs-on-Ground: 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 on Drawings.

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 92 00 "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.

E. Doweled Joints:

1. Install dowel bars and support assemblies at joints where indicated on Drawings.

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

F. Dowel Plates: Install dowel plates at joints where indicated on Drawings.

3.7 APPLICATION OF FINISHING FLOORS AND SLABS

A. Trowel Finish:

1. After applying float finish, apply first troweling and consolidate concrete by hand or power-driven trowel.

2. Continue troweling passes and restraighten until surface is free of trowel marks and uniform in texture and appearance.

3. Grind smooth any surface defects that would telegraph through applied coatings or floor coverings.

4. Do not add water to concrete surface. Use of an approved finishing aid is acceptable.

5. Do not apply troweled finish to concrete, which has a total air content greater than 3 percent.

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 10

6. Apply a trowel finish to surfaces exposed to view or to be covered with resilient flooring, carpet, ceramic or quarry tile set over a cleavage membrane, paint, or another thin-film-finish coating system.

3.8 INSTALLATION OF MISCELLANEOUS CONCRETE ITEMS

A. Filling in:

1. Fill in holes and openings left in concrete structures after Work of other trades is in place unless otherwise indicated.

2. Mix, place, and cure concrete, as specified, to match color and texture with in-place construction exposed to view.

3. Provide other miscellaneous concrete filling indicated or required to complete the Work.

3.9 APPLICATION OF CONCRETE CURING

A. Protect freshly placed concrete from premature drying and excessive cold or hot temperatures.

1. Comply with ACI 301 for cold weather protection during curing.

2. Comply with ACI 301 and ACI 305.1 for hot-weather protection during curing.

3. Maintain moisture loss no more than 0.2 lb/sq. ft. x h, calculated in accordance with ACI

305R, before and during finishing operations.

B. Curing Formed Surfaces: Comply with ACI 308.1 as follows:

1. Cure formed concrete surfaces, including underside of beams, supported slabs, and other similar surfaces.

2. Cure concrete containing color pigments in accordance with color pigment manufacturer's instructions.

3. If forms remain during curing period, moist cure after loosening forms.

4. If removing forms before end of curing period, continue curing for remainder of curing period as follows:

a. Continuous Fogging: Maintain standing water on concrete surface until final setting of concrete.

b. Continuous Sprinkling: Maintain concrete surface continuously wet.

c. Absorptive Cover: Pre-dampen absorptive material before application; apply additional water to absorptive material to maintain concrete surface continuously wet.

d. Water-Retention Sheeting Materials: Cover exposed concrete surfaces with sheeting material, taping, or lapping seams.

e. Membrane-Forming Curing Compound: Apply uniformly in continuous operation by power spray or roller in accordance with manufacturer's written instructions.

1) Recoat areas subject to heavy rainfall within three hours after initial application.

2) Maintain continuity of coating and repair damage during curing period.

C. Curing Unformed Surfaces: Comply with ACI 308.1 as follows:

1. Begin curing after finishing concrete.

2. Interior Concrete Floors:

a. Floors to Receive Polished Finish: Contractor has option of the following:

1) Absorptive Cover: As soon as concrete has sufficient set to permit application without marring concrete surface, install prewetted absorptive cover over entire area of floor.

a) Lap edges and ends of absorptive cover not less than 12 inches.

b) Maintain absorptive cover water saturated, and in place, for duration of curing period, but not less than seven days.

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 11

2) Ponding or Continuous Sprinkling of Water: Maintain concrete surfaces continuously wet for not less than seven days, utilizing one, or a combination of, the following:

a) Water.

b) Continuous water-fog spray.

b. Floors To Receive Curing and Sealing Compound:

1) Apply uniformly to floors and slabs indicated in a continuous operation by power spray or roller in accordance with manufacturer's written instructions.

2) Recoat areas subjected to heavy rainfall within three hours after initial application.

3) Repeat process 24 hours later, and apply a second coat. Maintain continuity of coating, and repair damage during curing period.

3.10 INSTALLATION OF JOINT FILLING

A. Prepare, clean, and install joint filler in accordance with manufacturer's written instructions.

1. Defer joint filling until concrete has aged at least one month(s).

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

C. Install semirigid joint filler full depth in saw-cut joints and at least 2 inches deep in formed joints.

D. Overfill joint, and trim joint filler flush with top of joint after hardening.

3.11 INSTALLATION OF CONCRETE SURFACE REPAIRS

A. Defective Concrete:

1. Repair and patch defective areas when approved by Architect.

2. Remove and replace concrete that cannot be repaired and patched to meet specification requirements.

B. Patching Mortar: Mix dry-pack patching mortar, consisting of 1 part portland cement to 2-1/2 parts fine aggregate passing a No. 16 sieve, using only enough water for handling and placing.

C. Repairing Formed Surfaces: Surface defects include color and texture irregularities, cracks in excess of 0.01 inch spalls, air bubbles exceeding surface finish limits, honeycombs, rock pockets, fins and other projections on the surface exceeding surface finish limits, and stains and other discolorations that cannot be removed by cleaning.

1. Immediately after form removal, cut out honeycombs, rock pockets, and voids more than

1/2 inch in any dimension to solid concrete.

a. Limit cut depth to 3/4 inch.

b. Make edges of cuts perpendicular to concrete surface.

c. Clean, dampen with water, and brush-coat holes and voids with bonding agent.

d. Fill and compact with patching mortar before bonding agent has dried.

e. Fill form-tie voids with patching mortar or cone plugs secured in place with bonding agent.

2. Repair defects on surfaces exposed to view by blending white portland cement and standard portland cement, so that, when dry, patching mortar matches surrounding color.

a. Patch a test area at inconspicuous locations to verify mixture and color match before proceeding with patching.

b. Compact mortar in place and match surrounding surface.

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 12

3. Repair defects on concealed formed surfaces that will affect concrete's durability and structural performance, as determined by Architect.

D. Repairing Unformed Surfaces:

1. Test unformed surfaces, such as floors and slabs, for finish, and verify surface tolerances specified for each surface.

a. Correct low and high areas.

b. Test surfaces sloped to drain for trueness of slope and smoothness; use a sloped template.

2. Repair finished surfaces containing surface defects, including spalls, popouts, honeycombs, rock pockets, crazing, and cracks in excess of 0.01 inch wide or that penetrate to reinforcement or completely through unreinforced sections regardless of width.

3. After concrete has cured at least 14 days, correct high areas by grinding.

4. Correct localized low areas during, or immediately after, completing surface-finishing operations by adding patching mortar.

a. Finish repaired areas to blend into adjacent concrete.

5. Correct other low areas scheduled to receive floor coverings with a repair underlayment.

a. Prepare, mix, and apply repair underlayment and primer in accordance with manufacturer's written instructions to produce a smooth, uniform, plane, and level surface.

b. Feather edges to match adjacent floor elevations.

6. Correct other low areas scheduled to remain exposed with repair topping.

a. Cut out low areas to ensure a minimum repair topping depth of 1/4 inch to match adjacent floor elevations.

b. Prepare, mix, and apply repair topping and primer in accordance with manufacturer's written instructions to produce a smooth, uniform, plane, and level surface.

7. Repair defective areas, except random cracks and single holes 1 inch or less in diameter, by cutting out and replacing with fresh concrete.

a. Remove defective areas with clean, square cuts, and expose steel reinforcement with at least a 3/4-inch clearance all around.

b. Dampen concrete surfaces in contact with patching concrete and apply bonding agent.

c. Mix patching concrete of same materials and mixture as original concrete, except without coarse aggregate.

d. Place, compact, and finish to blend with adjacent finished concrete.

e. Cure in same manner as adjacent concrete.

8. Repair random cracks and single holes 1 inch or less in diameter with patching mortar.

a. Groove top of cracks and cut out holes to sound concrete, and clean off dust, dirt, and loose particles.

b. Dampen cleaned concrete surfaces and apply bonding agent.

c. Place patching mortar before bonding agent has dried.

d. Compact patching mortar and finish to match adjacent concrete.

e. Keep patched area continuously moist for at least 72 hours.

E. Perform structural repairs of concrete, subject to Architect's approval, using epoxy adhesive and patching mortar.

F. Repair materials and installation not specified above may be used, subject to Architect's approval.

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 13

3.12 FIELD QUALITY CONTROL

A. Special Inspections: Owner will engage a special inspector to perform field tests and inspections and prepare testing and inspection reports.

B. Testing Agency: Owner will engage a qualified testing and inspecting agency to perform tests and inspections and to submit reports.

1. Testing agency to be responsible for providing curing facility for initial curing of strength test specimens on-site and verifying that test specimens are cured in accordance with standard curing requirements in ASTM C31/C31M.

2. Testing agency to immediately report to Architect, Contractor, and concrete manufacturer any failure of Work to comply with Contract Documents.

3. Testing agency to report results of tests and inspections, in writing, to Owner, Architect, Contractor, and concrete manufacturer within 48 hours of inspections and tests.

a. Test reports to include reporting requirements of ASTM C31/C31M, ASTM

C39/C39M, and ACI 301, including the following as applicable to each test and inspection:

1) Project name.

2) Name of testing agency.

3) Names and certification numbers of field and laboratory technicians performing inspections and testing.

4) Name of concrete manufacturer.

5) Date and time of inspection, sampling, and field testing.

6) Date and time of concrete placement.

7) Location in Work of concrete represented by samples.

8) Date and time sample was obtained.

9) Truck and batch ticket numbers.

10) Design compressive strength at 28 days.

11) Concrete mixture designation, proportions, and materials.

12) Field test results of fresh concrete, including slump or slump flow, air content, temperature and density.

13) Information on storage and curing of samples at the Project site, including curing method and maximum and minimum temperatures during initial curing period.

14) Type of fracture and compressive break strengths at seven days and 28 days.

4. Provide a space and source of power or other resources for curing and access to test specimens by the testing agency.

C. Delivery Tickets: comply with ASTM C94/C94M.

D. Inspections:

1. Headed bolts and studs.

2. Verification of use of required design mixture.

3. Concrete placement, including conveying and depositing.

4. Curing procedures and maintenance of curing temperature.

5. Verification of concrete strength before removal of shores and forms from beams and slabs.

6. Batch Plant Inspections: On a random basis, as determined by Architect.

E. Concrete Tests: Testing of composite samples of fresh concrete obtained in accordance with ASTM C 172/C 172M to be performed in accordance with the following requirements:

CAST-IN-PLACE CONCRETE, REVISED 03 30 00 - 14

1. Testing Frequency: Obtain one composite sample for each day's pour of each concrete mixture exceeding 5 cu. yd., but less than 25 cu. yd., plus one set for each additional 150 cu. yd. or fraction thereof.

a. When frequency of testing provides fewer than five compressive-strength tests for each concrete mixture, testing is to be conducted from at least five randomly selected batches or from each batch if fewer than five are used.

2. Slump: ASTM C143/C143M:

a. One test at point of delivery for each…