W912EK19B0004_AMEND_0003.pdf

96514792009493

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

The purpose of this amendment is to update Section 01 33 00, Section 03 11 14 and Section 07 42 13. Also updated is plan sheet S-701.

The required response date & time remains 26-Sep-2019 at 2:00PM CST.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 2

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 17-Sep-2019

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X W912EK19B0004

X 9B. DATED (SEE ITEM 11)

13-Aug-2019

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

17-Sep-2019

CODE

CONTRACTING DIVISION

US ARMY CORPS OF ENGINEERS

1500 ROCK ISLAND DRIVE

ROCK ISLAND IL 61201

W912EK 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912EK19B0004

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

(End of Summary of Changes)

19B0004

AMEND. 0003

The following modifications are made to Section 01 33 00, Section 03 11 14, Section 07 42 13, and the DRAWINGS

SECTION 01 33 00

a. SUBMITTAL REGISTER. Delete the Submittal Register in its entirety, and substitute therefor the revised Submittal Register, Amendment 0003, dated September 16, 2019.

SECTION 03 11 14

b. SECTION 03 11 14. Delete Section 03 11 14 in its entirety, and substitute therefor revised Section 03 11 14, Amendment 0003, dated

SECTION 07 42 13

c. PAGE 4. Delete Section 07 42 13 Page 4 in its entirety, and substitute therefor revised Section 07 42 13 Page 4, Amendment 0003, dated

DRAWINGS (SUPERSEDED)

d. The revised drawing listed below is issued with this Amendment. Such revised drawing supersedes that of the same sheet identification number listed in the INDEX OF DRAWINGS included in the set of drawings furnished with Solicitation No. W912EK19B0004, dated August 13, 2019.

SHEET IDENTIFICATION NO. S-701, Revision Mark 1, September 2019.

ATTACHMENTS: Submittal Register; Section 03 11 14; Section 07 42 13 Page 4;

and S-701.

16 SEP 2019

Solicitation No. W912EK19B0004

SECTION TABLE OF CONTENTS

DIVISION 03 - CONCRETE

SECTION 03 11 14

FORMWORK FOR ARCHITECTURAL CONCRETE

PART 1 GENERAL

1.1 SCOPE

1.2 REFERENCES

1.3 SUBMITTALS

1.4 QUALITY ASSURANCE

1.5 DELIVERY, STORAGE, AND HANDLING – FORM LINERS

1.6 DESIGN REQUIREMENTS

PART 2 PRODUCTS

2.1 SYSTEM DESCRIPTION

2.2 FORMS

2.3 FORM MATERIALS

2.3.1 Formwork

2.3.2 Pan-Form Units

2.3.3 Form Ties

2.3.4 Form Release Agents

2.4 FORM LINERS

2.4.1 Class "A" Finish

2.4.2 Class "B" Finish

2.5 FORM COATING

2.6 FORM ACCESSORIES

PART 3 EXECUTION

3.1 INSTALLATION

3.1.1 Formwork

3.1.2 Construction

3.1.3 Chamfering

3.1.4 Coating

3.2 FORM REMOVAL

3.3 INSPECTION

-- End of Section Table of Contents --

SECTION 03 11 14 Page 1 AMEND. 0003

16 SEP 2019

SECTION 03 11 14

FORMWORK FOR ARCHITECTURAL CONCRETE

PART 1 GENERAL

1.1 SCOPE

The work covered by this section consists of furnishing all materials and equipment and performing all labor for the forming of concrete for the floodwall including gate monoliths. Floodwall formwork includes the furnishing and installation of form liners required for the architectural treatment of the floodwall.

1.2 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN CONCRETE INSTITUTE (ACI)

ACI 117 (2010; Errata 2011) Specifications for Tolerances for Concrete Construction and Materials and Commentary

ACI 301 (2016) Specifications for Structural Concrete

AMERICAN CONCRETE INSTITUTE INTERNATIONAL (ACI)

ACI 347R (2014; E 2017) Formwork for Concrete

APA - THE ENGINEERED WOOD ASSOCIATION (APA)

APA PS 1 (2009) Structural Plywood (with Typical APA Trademarks)

NATIONAL BUREAU OF STANDARDS (NBS)

NBS PS-1 (2009) Construction and Industrial Plywood

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-02 Shop Drawings

Formwork; G, RO

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SD-03 Product Data

Form Materials Form Release Agents Form Liners; G ECG Form Coating; G ECG Form Accessories; G ECG

Submit for all items listed as applicable: manufacturer's descriptive data, performance data, installation instructions, warranty, certificates of compliance, cleaning instructions in accordance with Section 01 78 00 CLOSEOUT SUBMITTALS.

SD-04 Samples

Sample Panels; G, RO

Submit sample stain panels and mockups for the liner.

Form Liners; G

Form liners provided shall be approved for use by the Contracting Officer prior to wall construction beginning.

SD-05 Design Data

Calculations

SD-06 Test Reports

Inspection Reports

1.4 QUALITY ASSURANCE

Provide Sample Panels of sufficient size to contain joints and not less than 6 feet long and 4 feet wide. The panels shall be of typical wall thickness and constructed containing the full allocation of reinforcing steel that will be used in the structure, with the forming system that duplicates in every detail the one that will be used in construction of the structure. Use the same concrete mixture proportion and materials, the same placement techniques and equipment, and the same finishing techniques and timing that are planned for the structure. Paint sample panels in accordance with Section 09 97 02 PAINTING: FLOODWALL AND CLOSURE GATE.

Construction of the floodwall will not be permitted to begin until sample panels have been approved. The Contractor shall construct additional sample panels as required if initial sample panels are rejected. Build panels on the project site where directed.

1.5 DELIVERY, STORAGE, AND HANDLING – FORM LINERS

Materials shall be inspected upon delivery to assure that specified products have been received. Liners shall be stored in closed shipping crates until needed on work site, and shall be protected from sunlight, dirt and debris. Avoid striking form liner with heavy, sharp or heated objects that could cause permanent damage.

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1.6 DESIGN REQUIREMENTS

The design, engineering, and construction of the formwork is the responsibility of the Contractor. Design formwork for anticipated live and dead loads and comply with the specified tolerances. However, for surfaces with an ACI Class A surface designation, the allowable deflection for facing material between studs, for studs between walers and walers between bracing to be limited to 0.0025 times the span. Design formwork as a complete system with consideration given to the effects of cementitious materials and mixture additives such as cement type, air entrainment, and others. Monitor the adequacy of formwork design and construction prior to and during concrete placement as part of the Contractor's approved Quality Control Plan.

PART 2 PRODUCTS

2.1 SYSTEM DESCRIPTION

The design, engineering, and construction of the formwork is the responsibility of the Contractor. Design formwork in accordance with methodology of ACI 347R for anticipated loads, lateral pressures, and stresses, and capable of withstanding the pressures resulting from placement and vibration of concrete. Comply with the tolerances specified in Section 03 31 00 CAST-IN-PLACE STRUCTURAL CONCRETE, paragraph CONSTRUCTION TOLERANCES. However, for surfaces with an ACI 301 surface finish 3.0 (SF 3.0) designation, limit the allowable deflection for facing material between studs, for studs between walers and walers between bracing to 0.0025 times the span. Design the formwork as a complete system with consideration given to the effects of cementitious materials and mixture additives such as fly ash, cement type, plasticizers, accelerators, retarders, air entrainment, and others. Monitor the adequacy of formwork design and construction prior to and during concrete placement as part of the Contractor's approved Quality Control Plan. Submit design analysis and calculations for form design and methodology used in the design. Submit at least 30 days either before fabrication on site or before delivery of prefabricated forms.

2.2 FORMS

Fabricate with facing materials that produces the specified construction tolerance and surface requirements of Section 03 31 00 CAST-IN-PLACE STRUCTURAL CONCRETE and surface classification in accordance with ACI 347R.

Apply Class "A" finish to all surfaces exposed to public view and apply Class "C" to all other surfaces. The form facing material to be composed of new, well-matched tongue and groove lumber; or plywood panels in accordance with APA PS 1 grade B-B concrete form, Class I.

2.3 FORM MATERIALS

Submit manufacturer's data, including literature describing form materials, accessories, and form releasing agents.

2.3.1 Formwork

Comply with ACI 301 Section 2. Provide for surfaces not exposed to public view a surface finish SF-1.0. Provide for surfaces exposed to public view a surface finish SF-3.0. Patch holes and defects in accordance with ACI 301.

Resultant formed surfaces to be *stained shall be compatible with the concrete stain specified in the plans*.

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2.3.2 Pan-Form Units

Use factory-fabricated pan-form units of the approximate section indicated for one-way or two-way concrete joist and slab construction. Units must consist of steel or molded fiberglass concrete form pans. Furnish closure units as required.

2.3.3 Form Ties

Form ties shall be factory-fabricated metal ties, shall be of the removable or internal disconnecting or snap-off type, and shall be of a design that will not permit form deflection and will not spall concrete upon removal.

Provide solid backing for each tie. Except where removable tie rods are used, ties shall not leave holes in the concrete surface less than 1/4 inch nor more than 1 inch deep and not more than 1 inch in diameter. Terminate the embedded portion of metal ties not less than 2 inches from any concrete surface exposed to water. Removable tie rods shall be not more than 1-1/2 inches in diameter. Plastic snap ties may be used in locations where the surface will not be exposed to view.

2.3.4 Form Release Agents

Form releasing agents shall be commercial formulations that will not bond with, stain or adversely affect concrete surfaces. Agents shall not impair subsequent treatment of concrete surfaces depending upon bond or adhesion and shall not impede the wetting of surfaces to be cured with water or curing compounds. Agents shall be compatible with the concrete stain *system specified in the Plans*. Where form liners are to be used, follow the recommendation of the form coating manufacturer. Submit manufacturer's recommendation on method and rate of application of form releasing agents.

2.4 FORM LINERS

Design and fabricate facing materials for loads, lateral pressure, and allowable stresses in accordance with ACI 347R, and construction tolerance requirements in accordance with Section 03 31 00 CAST-IN-PLACE STRUCTURAL CONCRETE. Forms to have sufficient strength to withstand the pressure resulting from placement and vibration of the concrete and have sufficient rigidity to maintain specified tolerances. Monitor the adequacy of formwork design and construction prior to and during concrete placement.

*The form liner type and design shall be as noted in the plans and submitted for approval.*

2.4.1 Class "A" Finish

Applies to all precast concrete panels, unless specifically specified otherwise. Submit form facing material from sheathing composed of well-matched-tongue-and-groove lumber or plywood panels in accordance with NBS PS-1, Grade B-B concrete form, Class I for fabrication. Prefabricated steel forms may be used, if approved.

2.4.2 Class "B" Finish

Applies to all other cast-in-place and other surfaces except those to receive a Class "A" Finish (precast concrete units). Submit form facing material from sheathing composed of tongue-and-groove or shiplap lumber, plywood in accordance with NBS PS-1, Grade B-B concrete form, tempered

SECTION 03 11 14 Page 5 AMEND. 0003

16 SEP 2019

concrete form hardboard, or steel for fabrication. Steel lining on wood sheathing is prohibited for use.

2.5 FORM COATING

Provide commercial formulation of satisfactory and proven performance that will not bond with, stain, or adversely affect concrete surfaces and will not impair subsequent treatment of concrete surfaces depending upon bond or adhesion nor impede the wetting of surfaces to be cured with water or curing compounds.

2.6 FORM ACCESSORIES

Provide commercially manufactured ties and other similar form accessories used for partially or wholly embedding in the concrete. After the ends or end fasteners have been removed, terminate the embedded portion of metal ties not less than 2 inches from any concrete surface either exposed to view or exposed to water. Plastic ties are prohibited for use. Construct form ties so that the ends or end fasteners can be removed without spalling the concrete.

PART 3 EXECUTION

3.1 INSTALLATION

3.1.1 Formwork

Comply with ACI 301 Section 2 with surface tolerances in accordance with

ACI 117.

3.1.2 Construction

Construct forms true to the structural design and required alignment. Make forms mortar tight, properly aligned, and adequately supported to produce concrete surfaces meeting the surface requirements and construction tolerances in accordance with Section 03 31 00 CAST-IN-PLACE STRUCTURAL CONCRETE and to achieve safe performance during construction, concrete placement, and form removal. Continuously monitor the alignment and stability of the forms during all phases to ensure the finished product will meet the required surface class and tolerances as specified. Failure of any supporting surface either due to surface texture, deflection or form collapse will be the responsibility of the Contractor, and to replace or correct unsatisfactory surfaces. When forms for continuous surfaces are placed in successive units, take care to fit the forms over the completed surface to obtain accurate alignment of the surface and to prevent mortar leaking. Forms are not to be reused if there is any evidence of surface defects which would impair the quality of the resulting concrete surface.

Clean all surfaces of used forms of mortar and any other foreign material before reuse. Clean all surfaces of forms and embedded materials of any mortar from previous concreting and of all other foreign material before concrete is placed in them. Design formwork to stand alone to support the loads from concrete placement. Additionally, non-integral support systems is prohibited for use to provide capacity to the formwork. If formwork slips during placement, abandon the placement, remove the recently placed new concrete, redesign formwork or adjust installation methods, and replace the concrete as specified.

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3.1.3 Chamfering

Chamfer all exposed joints, edges, external corners, and vertical monolith joints by molding placed in the forms unless specifically indicated that chamfering is prohibited or as otherwise specified. Chamfered joints are prohibited where earth or rockfill is placed in contact with concrete surfaces.

3.1.4 Coating

Coat forms for exposed-to-view concrete with form oil or a form-release agent before the form or reinforcement is placed in final position. Use the coating as recommended in the manufacturer's instructions. Forms for unexposed surfaces may be wet with water in lieu of coating immediately before placing concrete, except that in cold weather with probable freezing temperatures, coating will be mandatory. Surplus coating on form surfaces and coating on reinforcing steel and construction joints to be removed before placing concrete.

3.2 FORM REMOVAL

Remove forms when approved by the Contracting Officer. Remove forms in a manner which will prevent injury to the concrete and ensure the complete safety of the structure. The minimum time required for concrete to reach a strength adequate for removal of formwork without risking the safety of workers or the quality of the concrete depends on a number of factors including, but not limited to, ambient temperature, concrete lift heights, type and amount of concrete admixture, and type and amount of cementitious material in the concrete. Consider all applicable factors and leave the forms in place until safe to remove them. In any case, forms are not to be removed less than 24 hours after placement of concrete, except as otherwise directed or specifically authorized. When conditions are such as to justify the requirement, forms to remain in place for a longer period.

3.3 INSPECTION

Forms and embedded items will be inspected in sufficient time prior to each concrete placement in order to certify to the Contracting Officer that they are ready to receive concrete. The results of each inspection to be reported in writing. Submit field inspection reports for concrete forms and embedded items.

-- End of Section --

SECTION 03 11 14 Page 7 AMEND. 0003

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Difference

ASTM E331 (2000; R 2016) Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference

ASTM E1233 Standard Test Method for Structural Performance of Exterior Windows, Doors, Skylights and Curtain Walls by Cyclic Air Pressure Differential.

UNDERWRITERS LABORATORIES (UL)

UL 94 (2013; Reprint Sep 2017) UL Standard for Safety Tests for Flammability of Plastic Materials for Parts in Devices and Appliances

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)

ISO 9002-2000 quality management systems – requirements

1.2 SUBMITTALS

1.2.1 Submittals shall be in conformance with Division 1 Submittal Procedures Section

SD-02 Shop Drawings

Shop Drawings

SD-03 Product Data

Material and system manufacturer’s product data

SD-04 Samples

Manufacturer’s color charts or chips

Physical panel

Submit within 90 days of the Notice to Proceed.

SD-06 Test Reports

Certified test reports from a qualified testing agency

SD-08 Manufacturer's Instructions

System manufacturer’s installation instructions

SD-11 Closeout Submittals

Manufacturer’s warranty documents

1.2.2 Product data

Submit material and system manufacturer’s product data.

SECTION 07 42 13 Page 4 AMEND. 0003