1、*USACE / NAVFAC / AFCESA / NASA UFGS-04 23 00 (November 2009)-Preparing Activity: USACE SupersedingUFGS-04 23 00 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated October 2009*SECTION TABLE OF CONTENTSDIVISION 04 - MASONRYSECTION 04 23 00GLASS MASONRY UNI
2、TS11/09PART 1 GENERAL1.1 REFERENCES1.2 SUBMITTALS1.3 DELIVERY, STORAGE, AND HANDLING1.4 ENVIRONMENTAL REQUIREMENTSPART 2 PRODUCTS2.1 GLASS BLOCK UNITS2.1.1 Exterior Glass Block Units2.1.2 Interior Glass Block Units2.1.3 Solid Glass Block Units2.1.4 Fire Rated Glass Block Units2.2 MORTAR2.2.1 Mortar
3、Mix2.2.2 Aggregates2.2.3 Waterproofing2.2.4 Admixtures2.2.5 Prepackaged Mortar Mix2.3 ACCESSORIES2.3.1 Horizontal Joint Reinforcement2.3.2 Panel Anchors2.3.2.1 Strip Anchor2.3.2.2 Wire-Type Anchor2.3.3 Expansion Strip2.3.4 PackingPART 3 EXECUTION3.1 INSTALLATION3.1.1 Workmanship3.1.2 Mortar Mixing3.
4、1.3 Mortar Joints3.1.4 Care During Laying3.1.5 ReinforcingSECTION 04 23 00 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.1.6 Panel Anchors3.1.7 Expansion Allowance3.1.8 Tooling3.1.9 Packing and Sealing3.2 CLEANING3.2.1 Protection3.2.2 Point
5、ing3.2.3 Cleaning- End of Section Table of Contents -SECTION 04 23 00 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-04 23 00 (November 2009)-Preparing Activity: USACE SupersedingUFGS-04 23 00 (April 2006)U
6、NIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated October 2009*SECTION 04 23 00GLASS MASONRY UNITS11/09*NOTE: This guide specification covers the requirements for glass block unit masonry work.Edit this guide specification for project specific requirements by adding,
7、deleting, or revising text. For bracketed items, choose applicable items(s) or insert appropriate information.Remove information and requirements not required in respective project, whether or not brackets are present.Comments and suggestions on this guide specification are welcome and should be dir
8、ected to the technical proponent of the specification. A listing of technical proponents, including their organization designation and telephone number, is on the Internet.Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL*NOTE: The following informa
9、tion will be shown on the project drawings:1. Head, jamb, sill, and intermediate support construction details.2. Clearances required for deflection and expansion.Refer to manufacturers data for glass block unit panel size restrictions, limitations, and details. CAUTION: 1) Single wythe construction
10、is not recommended for areas subject to severe wind-driven rain exposure; 2) avoid removable panel construction; and 3) avoid large expanses of exterior walls subject to high wind pressures, wide SECTION 04 23 00 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without lice
11、nse from IHS-,-,-thermal variations, and differential movements*1.1 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 this paragraph by organization, desi
12、gnation, 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 Reference Wizards Check Reference feature to update the issue dates.References not used
13、in the text will automatically be deleted from this section of the project specification when you choose to reconcile references in the publish print process. *The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text b
14、y the basic designation only.ASTM INTERNATIONAL (ASTM)ASTM A 153/A 153M (2009) Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel HardwareASTM A 82/A 82M (2007) Standard Specification for Steel Wire, Plain, for Concrete ReinforcementASTM C 144 (2004) Standard Specification for Aggre
15、gate for Masonry MortarASTM C 270 (2008a) Standard Specification for Mortar for Unit MasonryASTM E 119 (2009) Standard Test Methods for Fire Tests of Building Construction and Materials1.2 SUBMITTALS*NOTE: Review submittal description (SD) definitions in Section 01 33 00 SUBMITTAL PROCEDURES and edi
16、t 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 SECTION 04 23 00 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted
17、 without license from IHS-,-,-submittal requires Government 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 im
18、portant or complex in context of the project.For submittals requiring Government approval on Army projects, a code of up to three characters within the submittal tags may be used following the “G“ designation to indicate the approving authority. Codes for Army projects using the Resident Management
19、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 the “G“ typically are not used for Navy, Air Force, and NASA proje
20、cts.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“ designation are for Contractor Quality Control approval. information on
21、ly. 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-03 Product DataGlass BlockWaterproofing AgentHorizontal Joint ReinforcementPanel Anchor
22、sExpansion StripSD-04 SamplesGlass BlockHorizontal Joint ReinforcementPanel AnchorsExpansion StripSD-07 CertificatesGlass BlockCertificates of compliance stating that the materials meet the specified requirements.1.3 DELIVERY, STORAGE, AND HANDLINGDeliver cement, lime, and other cementitious materia
23、ls to the site in unbroken containers, labeled with the manufacturers names and brands. SECTION 04 23 00 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Store mortar materials in a manner to prevent the inclusion of foreign materials and damage
24、 by water or dampness. Avoid chipping and breakage of masonry units. Protect glass block materials from contact with earth and exposure to the weather, and keep dry until used. Do not use materials containing frost or ice.1.4 ENVIRONMENTAL REQUIREMENTSDo not lay glass block when the air temperature
25、is 5 degrees C 40 degrees F and falling, or when it appears probable that temperatures below 5 degrees C40 degrees F will be encountered before the mortar has set, unless protection is provided to prevent freezing. Protection shall consist of maintaining the temperature of glass block and mortar mat
26、erials between 5 and 50 degrees C 40 and 160 degrees F. After erection, maintain air temperature above 5 degrees C 40 degrees F on both sides of glass block for not less than 72 hours. Do not work with or on frozen materials. Glass block work may be started at 1 degree C 34 degrees F on a rising the
27、rmometer. Coordinate glass block work with the work of other trades to accommodate built-in items.PART 2 PRODUCTS2.1 GLASS BLOCK UNITS*NOTE: The desired physical characteristics (Light transmittance, reflectivity, pattern, size, etc.) should be described. Drawings will clearly show the clearances re
28、quired for deflection and expansion.*Provide glass block units of types, size, pattern and style specified. Do not change source of supply for material which will affect the appearance of the finished work after work has started. Keep on hand extra units amounting to 5 _ percent of the number of uni
29、ts incorporated in the work. Use extra units to replace units found to be defective. Provide units made of clear colorless glass, polyvinyl butyral edge coating, and 75 _ percent light transmission allowance. Provide ventilators and accessories recommended by glass block manufacturer.2.1.1 Exterior
30、Glass Block UnitsProvide DECORA VUE ARGUS _ pattern with LX without fibrous glass insert, _ texture, sized 197 by 197 _ by 98 mm 7-3/4 by 7-3/4 _ by 3-7/8 inches. Units designated as “reflective glass block“ shall have a highly reflective oxide surface coating of a gray _ color.2.1.2 Interior Glass
31、Block UnitsProvide VUE _ pattern, 197 by 197 _ by 76 mm 7-3/4 by 7-3/4 _ by 3-1/8 inches.2.1.3 Solid Glass Block UnitsUnits shall be VISTABRIK _, 194 by 194 by 76 mm 7-5/8 by 7-5/8 by 3 inches.SECTION 04 23 00 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license
32、 from IHS-,-,-2.1.4 Fire Rated Glass Block UnitsWalls and partitions indicated on the drawings to be fire rated and containing glass block units shall use approved units that have been fire tested in accordance with ASTM E 119 to the indicated rating.2.2 MORTAR2.2.1 Mortar MixASTM C 270, Type S, whi
33、te portland cement.2.2.2 AggregatesASTM C 144, clean, white quartzite type sand, not less than 100 percent passing a No. 8 sieve.2.2.3 WaterproofingProvide metallic-stearate-type waterproofing agent. Omit waterproofing agent if portland cement containing waterproofing agent is used.2.2.4 AdmixturesD
34、o not use accelerators or anti-freeze compounds.2.2.5 Prepackaged Mortar MixASTM C 270, Type S, white portland cement.2.3 ACCESSORIES2.3.1 Horizontal Joint ReinforcementFabricate from cold drawn steel wire, ASTM A 82/A 82M. Wire shall be zinc coated after fabrication by the hot-dip process conformin
35、g to ASTM A 153/A 153M, Class B-2. Reinforcement shall consist of two or more parallel longitudinal wires not lighter than 9 gauge (3.40 mm 0.1483 inch) weld connected with cross wires not lighter than 14 gauge (2.03 mm 0.0800 inch) at not greater than 200 mm 8 inches on center. Provide at least one
36、 longitudinal wire for each face of glass block, out-to-out spacing approximately 37 mm 1-1/2 inches less than the actual width of the block. Provide joint reinforcement in flat sections, not less than 2400 mm 8 feet long, except that corner reinforcements and other special shapes may be shorter.2.3
37、.2 Panel Anchors2.3.2.1 Strip AnchorPerforated steel strip not less than 0.9 mm 20 gauge, minimum of 45 mm wide by 600 mm long 1-3/4 inches wide by 24 inches long and galvanized after fabrication.2.3.2.2 Wire-Type AnchorSteel wire not less than 3.4 mm 9 gauge of approved design suitable for use with
38、 the panel stiffener provided and galvanized after fabrication.SECTION 04 23 00 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.3.3 Expansion StripDense fibrous glass batt or material as recommended by the glass block manufacturer.2.3.4 Packi
39、ngPolyethylene foam, neoprene, or filler as recommended by the sealant manufacturer.PART 3 EXECUTION3.1 INSTALLATION3.1.1 WorkmanshipCarry glass block work up level and plumb all around. Build in window frames and doors as work progresses. Handle glass block with care to avoid damage. Anchor walls a
40、nd partitions to adjoining construction to provide lateral stability. Anchoring shall permit unrestricted deflection of construction above.3.1.2 Mortar MixingASTM C 270. Hand mixing may be used only when specifically approved by the Contracting Officer. Keep mortar boxes, pans, and mixer drums clean
41、 and free of debris and dried mortar. Do not retemper mortar. Do not use mortar which has not been placed in final position within 1 5-hours after the initial mixing.3.1.3 Mortar JointsMortar joints shall be accurately spaced, uniform in thickness and average thickness of 10 mm 5/16 inch. Fill joint
42、s completely and evenly. Remove loose and excess mortar. Horizontal joints shall be level; vertical joints shall be plumb. Paint surfaces upon which first course of glass blocks is to be laid with heavy asphalt emulsion before spreading first mortar bed. Emulsion shall be thoroughly dry prior to spr
43、eading mortar. When asphalt is dry, place full mortar bed joint. Furrowed or raked joints will not be allowed.3.1.4 Care During LayingDo not damage glass block while laying or otherwise. Lay block with stacked bond _. Form bed joints of a thick layer of mortar, smooth on top, not furrowed. Form head
44、 joints by applying a full coat of mortar on the entire end, or on the entire side, of the block to be laid and then shoving the mortar-covered end or side of the block tightly against the block laid previously. The practice of buttering at the corners of block and then throwing mortar or scrapings
45、into the empty joints will not be permitted. Lay closure blocks with a bed joint and with head joints, and place the block carefully without disturbing the block previously laid. Dry or butt joints will not be permitted.3.1.5 ReinforcingEmbed horizontal reinforcing in mortar joints on approximately
