1、*USACE / NAVFAC / AFCESA / NASA UFGS-03 53 14.00 20 (February 2010)-Preparing Activity: NAVFAC SupersedingUFGS-03 53 14.00 20 (April 2006)UFGS-03010N (August 2003)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated April 2010*SECTION TABLE OF CONTENTSDIVISION 03 - CONC
2、RETESECTION 03 53 14.00 20LIGHT REFLECTIVE NONFERROUS METALLIC AGGREGATE FLOOR SYSTEM02/10PART 1 GENERAL1.1 REFERENCES1.2 SUBMITTALS1.2.1 Sample Installation1.2.2 Material Sample1.2.3 Alternates1.3 DELIVERY AND STORAGE1.4 WARRANTY1.5 QUALITY CONTROLPART 2 PRODUCTS2.1 CONCRETE2.2 NON-FERROUS, NON-OXI
3、DIZING METALLIC AGGREGATE, DRY-SHAKE SURFACE HARDENER2.3 SURFACE EVAPORATION RETARDANT2.4 CURING AND SEALINGPART 3 EXECUTION3.1 CONCRETE PLACEMENT3.1.1 Application of Surface Hardener3.1.2 Field Service3.1.3 Curing and Protection (Water Based Wax Emulsion)3.2 Cleaning and Surface Preparation- End of
4、 Section Table of Contents -SECTION 03 53 14.00 20 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-03 53 14.00 20 (February 2010)-Preparing Activity: NAVFAC SupersedingUFGS-03 53 14.00 20 (April 2006)UFGS-03
5、010N (August 2003)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated April 2010*SECTION 03 53 14.00 20LIGHT REFLECTIVE NONFERROUS METALLIC AGGREGATE FLOOR SYSTEM02/10*NOTE: This guide specification covers the requirements for light reflective, non-oxidizing, dry shake
6、 surface hardener for concrete hangar floor finish.Edit this guide specification for project specific requirements by adding, deleting, or revising text. For bracketed items, choose applicable items(s) or insert appropriate information.Remove information and requirements not required in respective p
7、roject, whether or not brackets are present.Comments and suggestions on this guide specification are welcome and should be directed to the technical proponent of the specification. A listing of Technical Proponents, including their organization designation and telephone number, is on the Internet.Re
8、commended changes to a UFGS should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL1.1 REFERENCES*NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publications are referred to in the text by basic designation only and listed in th
9、is paragraph by organization, designation, date, and title.Use the Reference Wizards Check Reference feature when you add a RID outside of the Sections Reference Article to automatically place the reference in the Reference Article. Also use the SECTION 03 53 14.00 20 Page 2Provided by IHSNot for Re
10、saleNo reproduction or networking permitted without license from IHS-,-,-Reference Wizards Check Reference feature to update the issue dates.References not used in the text will automatically be deleted from this section of the project specification when you choose to reconcile references in the pub
11、lish print process.*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.ACI INTERNATIONAL (ACI)ACI 305R (1999; Errata 2006) Hot Weather ConcretingACI 308.1 (1998) Standard Specificati
12、on for Curing ConcreteACI 308R (2001; R 2008) Guide to Curing ConcreteASTM INTERNATIONAL (ASTM)ASTM C 1315 (2008) Standard Specification for Liquid Membrane-Forming Compounds Having Special Properties for Curing and Sealing ConcreteASTM C 309 (2007) Standard Specification for Liquid Membrane-Forming
13、 Compounds for Curing ConcreteASTM C 779/C 779M (2005) Abrasion Resistance of Horizontal Concrete SurfacesASTM C 944/C 944M (1999; R 2005e1) Standard Test Method for Abrasion Resistance of Concrete or Mortar Surfaces by the Rotating-Cutter Method1.2 SUBMITTALS*NOTE: Review submittal description (SD)
14、 definitions in Section 01 33 00 SUBMITTAL PROCEDURES and edit the following list to reflect only the submittals required for the project. Submittals should be kept to the minimum required for adequate quality control.A “G” following a submittal item indicates that the submittal requires Government
15、approval. Some submittals are already marked with a “G”. Only delete an existing “G” if the submittal item is not complex and can be reviewed through the Contractors Quality Control system. Only add a “G” if the submittal is sufficiently important or complex in context of the project.For submittals
16、requiring Government approval on Army projects, a code of up to three characters within SECTION 03 53 14.00 20 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-the submittal tags may be used following the “G“ designation to indicate the approvin
17、g authority. Codes for Army projects using the Resident Management System (RMS) are: “AE“ for Architect-Engineer; “DO“ for District Office (Engineering Division or other organization in the District Office); “AO“ for Area Office; “RO“ for Resident Office; and “PO“ for Project Office. Codes following
18、 the “G“ typically are not used for Navy, Air Force, and NASA projects.Choose the first bracketed item for Navy, Air Force and NASA projects, or choose the second bracketed item for Army projects.*Government approval is required for submittals with a “G“ designation; submittals not having a “G“ desi
19、gnation are for Contractor Quality Control approval.for information only. When used, a designation following the “G“ designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:SD-03 Pr
20、oduct DataNon-oxidizing metallic aggregate surface hardener GSD-04 SamplesSample installationMaterial sampleSD-07 CertificatesStatement of alternates G1.2.1 Sample InstallationA minimum of 100 square feet of the hangar _ floor slab shall be finished in a location as directed by the Contracting Offic
21、er. Color, texture and installation procedures are of prime importance. After approval by the Contracting Officer, the Contractor shall maintain the same controls and procedures throughout the installation process. Before acceptance, all work will be compared to the sample area.1.2.2 Material Sample
22、Samples of materials, color, and finish type shall be submitted to the Contracting Officer for approval.1.2.3 AlternatesSubmittals for an alternate product shall contain the following from an independent laboratory. Unit weight, abrasion resistance test in accordance with ASTM C 944/C 944M and ASTM
23、C 779/C 779M. Any product submitted, whose warranty contains a disclaimer limiting liability to the purchase price of the material, will be disqualified.SECTION 03 53 14.00 20 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.3 DELIVERY AND STO
24、RAGEProduct shall be delivered in sealed moisture resistant packages. Protect packages from damage. Store in an enclosed area. Contractor shall replace damaged packages with new packages. Manufacturers information regarding date of manufacture, shelf life and date of purchase shall be provided no la
25、ter than the date delivered on site. Products shall be identifiable by lot numbers.1.4 WARRANTYThe manufacturer shall provide a standard warranty stating that the material is free of defects and that when used by competent persons in accordance with current published recommendations, the product wil
26、l perform as specified herein. The manufacturers standard warranty shall not contain any disclaimers, limiting their responsibility to the purchase price of the material. The manufacturer shall state in the warranty that they shall be willing to contribute to replacing defective materials, as determ
27、ined by accepted test methods.1.5 QUALITY CONTROLThe Contractor shall hold a meeting to review the detailed requirements for the floor, including the concrete mix design, placing techniques, finishing techniques including surface levelness, floor hardener application procedures, curing and the equip
28、ment required for these procedures.The pre-slab meeting agenda shall be prepared by the Contractor and submitted to the attendees at least one week in advance of the meeting.All parties involved in the floor system installation shall be required to attend. The Architect-Engineers representative and
29、the manufacturers technical representative shall be present at the conference. The Contractor shall notify both at least 10 days prior to the scheduled date of the conference.Minutes of the meeting shall be recorded, typed and printed by the Contractor and distributed by him to all parties concerned
30、 within five days of the meeting.PART 2 PRODUCTS*NOTE: Coordination must be provided with the person editing Section 03 30 00, CAST-IN-PLACE CONCRETE to ensure requirements of ACI 117, ACI 212.3R, ACI 301/301M, ACI 302.1R, ACI 304R, ACI 318 and ACI 318M are included.*2.1 CONCRETEConcrete materials s
31、hall be as specified in Section 03 30 00 CAST-IN-PLACE CONCRETE, in addition to items required by this section and the following:The concrete mix, including admixtures and plasticizers, shall be in strict compliance with the aggregate surface hardener manufacturers recommendations and shall be appro
32、ved by the Contracting Officer and the manufacturers technical representative prior to the placement of concrete.SECTION 03 53 14.00 20 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.2 NON-FERROUS, NON-OXIDIZING METALLIC AGGREGATE, DRY-SHAKE
33、 SURFACE HARDENERThe surface hardener system shall consist of specially processed, non-ferrous, malleable, non-oxidizing, metallic aggregates, specially graded cementitious binder, plasticizer, and water-reducing admixtures, formulated and processed under the stringent quality control of the manufac
34、turer. “Lumiplate“ as manufactured by ChemRex, a subsidiary of Master Builder Technologies and “Diamond Plate“ as manufactured by The Euclid Chemical Company comply with these specifications. The hardener shall be proportioned and sealed in standard moisture-resistant bags. The manufacturer shall gu
35、arantee their aggregate to be free of rust, corrosive materials, oil, petroleum, or other water-base materials, when delivered. The manufacturer shall replace any material found to contain any such materials, or any other material which is deemed unsatisfactory. The manufacturer shall provide a full
36、-time technical representative, qualified in designing and adjusting concrete mixes, to assist in the application of the aggregate surface hardener system.2.3 SURFACE EVAPORATION RETARDANTA mono molecular surface evaporation retardant film, as recommended by ACI 305R and ACI 308R, shall be provided
37、for use under drying conditions, due to high concrete and/or ambient temperatures, low humidity, high winds, and so forth. This includes work in heated interiors during cold weather, to aid in the maintaining of concrete moisture during the early placement stages of plastic concrete. Retarder shall
38、be certified by the manufacturer to be compatible with the surface hardener and shall be provided in accordance with the manufacturers recommendations.2.4 CURING AND SEALINGCuring and sealing materials and procedures shall be as recommended by the manufacturer of the aggregate surface hardener syste
39、m and shall comply with ASTM C 309 or ASTM C 1315.PART 3 EXECUTION3.1 CONCRETE PLACEMENTFor concrete placement, refer to Section 03 30 00 CAST-IN-PLACE CONCRETE in addition to items required by this section and the following:a. Maximum slump shall be 127 mm 5 inches, when peak ambient temperatures a
40、re anticipated to be in excess of 18.33 degrees Celsius 65 degrees Fahrenheit, and shall be no greater than 96.2 mm 4 inches, when such temperatures are below 29.4 degrees Celsius 85 degrees Fahrenheit. Water reducing admixtures can be used to aid in workability without affecting dry shake hardener.
41、b. Maximum total air content shall not exceed 3 percent.c. Calcium chloride or set accelerating admixtures, containing calcium chloride, shall not be used.d. Water-reducing admixture shall be used. Provider must certify that the water reducer will not contribute to or cause increased air content.SEC
42、TION 03 53 14.00 20 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Place base slab between screed points to minimize handling. Move concrete into place with square-tapped shovels; do not use rakes. Vibrators, when used, shall be inserted and w
43、ithdrawn vertically. Concrete shall be struck to the specified level. Concrete shall be further leveled and consolidated with wood bull float or wood darby. This shall be completed before free moisture rises to the surface (bleeding). Floating shall begin adjacent to columns, forms, and walls3.1.1 A
44、pplication of Surface HardenerApply first shake to floated concrete adjacent to forms, entry ways, columns and walls, where moisture will be lost first. Apply two-thirds of the specified total shake immediately following the floating of total area. Material shall be applied at a minimum rate of 9.76
45、 kg/square meter 2 pounds per square foot of slab. Bleed water shall not be present during or following the application of this shake. Distribute Evenly. DO NOT THROW THE SHAKE. Wood bull floats can be used as soon as the shake has absorbed moisture (indicated by the darkening of the surface). Float just sufficiently to bring moisture from base slab through the shake. Finishing machines with float blades shall be used to “open“ the surface, prior to the application of the remaining one-third of the total specified shake, and shall be used to incorporate this second shake. Surface shall be fur
