1、*USACE / NAVFAC / AFCESA / NASA UFGS-31 36 00 (August 2008)-Preparing Activity: USACE (CW) SupersedingUFGS-31 36 00 (July 2007)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2008*SECTION TABLE OF CONTENTSDIVISION 31 - EARTHWORKSECTION 31 36 00WIRE MESH GABION
2、S AND MATTRESSES08/08PART 1 GENERAL1.1 UNIT PRICES1.1.1 Filter Material1.1.1.1 Payment1.1.1.2 Measurement1.1.1.3 Unit of Measure1.1.2 Gabion and Mattress Protection1.1.2.1 Payment1.1.2.2 Measurement1.1.2.3 Unit of Measure1.2 REFERENCES1.3 DEFINITIONS1.3.1 Rate of Aggresiveness1.3.2 Double Twisted Wi
3、re Mesh Gabions and Mattresses1.3.2.1 Style 11.3.2.2 Style 21.3.2.3 Style 31.3.2.4 Style 41.3.3 Welded Wire Fabric Gabions and Mattresses1.3.3.1 Style 11.3.3.2 Style 21.3.3.3 Style 31.3.3.4 Style 41.3.3.5 Style 51.4 SYSTEM DESCRIPTION1.5 SUBMITTALS1.6 QUALITY ASSURANCE1.6.1 Samples1.6.2 Test Report
4、or Documents1.7 DELIVERY, STORAGE, AND HANDLINGPART 2 PRODUCTS2.1 MATERIALS2.1.1 Double twisted wire mesh Gabions and MattressesSECTION 31 36 00 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.1.2 Welded Wire Fabric Gabions and Mattresses2.1.
5、3 Alternative Wire Fasteners for Gabions and Mattresses2.1.3.1 Ring Fasteners2.1.3.2 Spiral Binders2.1.4 Testing2.1.5 Stone Fill2.1.5.1 General2.1.5.2 Stone Quality2.1.5.3 Gradation2.1.6 Filter MaterialPART 3 EXECUTION3.1 FOUNDATION PREPARATION3.2 FILTER PLACEMENT3.3 ASSEMBLY3.3.1 Double twisted wir
6、e mesh Gabions3.3.2 Double Twisted Wire Mesh Revet Mattresses3.3.3 Welded Wire Fabric Gabions and Gabion Mattresses3.4 LACING OPERATIONS3.4.1 Double Twisted Wire Mesh Gabions and Mattresses3.4.2 Welded Wire Mesh Gabions and Mattresses3.5 INSTALLATION AND FILLING3.5.1 Double Twisted Wire Mesh Gabions
7、3.5.2 Double Twisted Wire Mesh Revet Mattresses3.5.3 Welded Wire Fabric Gabions3.5.4 Welded Wire Fabric Gabion Mattressses3.5.5 Non-Rectangular Shapes3.6 CLOSING- End of Section Table of Contents -SECTION 31 36 00 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without lic
8、ense from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-31 36 00 (August 2008)-Preparing Activity: USACE (CW) SupersedingUFGS-31 36 00 (July 2007)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2008*SECTION 31 36 00WIRE MESH GABIONS AND MATTRESSES08/08*NOTE: Th
9、is guide specification covers the requirements for the procurement and installation of steel wire mesh gabion and mattress units used as a measure of protection against erosion forces of stream flow in water courses and slope instability.Edit this guide specification for project specific requirement
10、s 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 project, whether or not brackets are present.Comments and suggestions on this guide specification are welcome and
11、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.Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL1.1 UNIT PRICES
12、*NOTE: For small projects, the district may opt to use lump sum payment.Double twisted wire mesh gabions manufactured in SI (metric) units are different in size from those manufactured in English (inch-pound) units.Sizes for double twisted wire mesh gabions and mattresses in SI (metric) units must r
13、efer to Tables 3 and 5 on ASTM A 975. Sizes for double twisted SECTION 31 36 00 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-wire mesh gabions and mattresses in English (inch-pound) units must refer to Tables 4 and 6 on ASTM A 975. Sizes for
14、 welded wire mesh gabions and mattresses both in SI (metric) and English (inch-pound) units must refer to Table 1 on ASTM A 974.This note also applies to the subparagraphs below titled Unit of Measure.*1.1.1 Filter Material1.1.1.1 PaymentPayment will be made for costs for filter material, including
15、furnishing, hauling, placing, and maintenance of the filter layers until placement of the gabion and mattress cover is completed and accepted. No payment will be made for excess thickness of filter layers or for material required to replace material lost by rain wash, wind erosion, or otherwise, exc
16、ept for additional filter material ordered in writing.1.1.1.2 MeasurementFilter material will be measured for payment based upon computations made from the theoretical filter thickness as specified or shown, and the areas acceptably placed where shown or staked in the field.1.1.1.3 Unit of MeasureUn
17、it of measure will be cubic meter cubic yard.1.1.2 Gabion and Mattress Protection1.1.2.1 PaymentPayment will be made for costs associated with gabion or mattress protection, including the costs of furnishing, assembling, and placing the wire baskets, the stone fill, and all other materials, labor, e
18、quipment, tools, supplies, and incidental costs in connection with completing this item of work.1.1.2.2 MeasurementGabions or mattresses meeting the requirements of these specifications and acceptably placed within the limits indicated on the drawings or otherwise established in the field, will be m
19、easured for payment by the cubic meter cubic yard of stone filled gabions or mattresses in place.1.1.2.3 Unit of MeasureUnit of measure will be cubic meter cubic yard.1.2 REFERENCES*NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publications a
20、re referred to in SECTION 31 36 00 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-the text by basic designation only and listed in this paragraph by organization, designation, date, and title.Use the Reference Wizards Check Reference feature w
21、hen 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 in the text will automatically be deleted from this section of the project s
22、pecification 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 by the basic designation only.ASTM INTERNATIONAL (ASTM)ASTM A 313/A 313M (2003
23、) Standard Specification for Stainless Steel Spring WireASTM A 370 (2007b) Standard Test Methods and Definitions for Mechanical Testing of Steel ProductsASTM A 428/A 428M (2006) Standard Test Method for Weight (Mass) of Coating on Aluminum-Coated Iron or Steel ArticlesASTM A 641/A 641M (2003) Standa
24、rd Specification for Zinc-Coated (Galvanized) Carbon Steel WireASTM A 764 (2007) Standard Specification for Metallic Coated Carbon Steel Wire, Coated at Size and Drawn to Size for Mechanical SpringsASTM A 809 (2003) Standard Specification for Aluminum-Coated (Aluminized) Carbon Steel WireASTM A 853
25、(2004) Standard Specification for Steel Wire, Carbon, for General UseASTM A 856/A 856M (2003) Standard Specification for Zinc-5% Aluminum-Mischmetal Alloy-Coated Carbon Steel WireASTM A 90/A 90M (2007) Standard Test Method for Weight Mass of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy
26、 CoatingsASTM A 974 (1997; R 2003) Standard Specification for Welded Wire Fabric Gabion and Gabion Mattresses (Metallic Coated or Polyvinyl SECTION 31 36 00 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Chloride (PVC) Coated)ASTM A 975 (1997;
27、 R 2003) Standard Specification for Double-Twisted Hexagonal Mesh Gabions and Revet Mattresses (Metallic-Coated Steel Wire or Metallic-Coated Steel Wire With Poly(Vinyl Chloride) (PVC) Coating)ASTM B 117 (2007a) Standing Practice for Operating Salt Spray (Fog) ApparatusASTM C 136 (2006) Standard Tes
28、t Method for Sieve Analysis of Fine and Coarse AggregatesASTM C 33 (2007) Standard Specification for Concrete AggregatesASTM D 1499 (2005) Filtered Open-Flame Carbon-Arc Type Exposures of PlasticsASTM D 2240 (2005) Standard Test Method for Rubber Property - Durometer HardnessASTM D 412 (2006a) Stand
29、ard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers - TensionASTM D 5312 (2004) Evaluation of Durability of Rock for Erosion Control Under Freezing and Thawing ConditionsASTM D 638 (2003) Standard Test Method for Tensile Properties of PlasticsASTM D 746 (2007) Standard Test Method fo
30、r Brittleness Temperature of Plastics and Elastomers by ImpactASTM D 792 (2000) Density and Specific Gravity (Relative Density) of Plastics by DisplacementASTM G 152 (2006) Operating Open Flame Carbon Arc Light Apparatus for Exposure of Nonmetallic MaterialsU.S. ARMY CORPS OF ENGINEERS (USACE)COE CR
31、D-C 144 (1992) Standard Test Method for Resistance of Rock to Freezing and Thawing1.3 DEFINITIONS1.3.1 Rate of AggresivenessThe determination of the rate of aggressiveness (non-aggressive, moderately, or highly aggressive) shall be made on a project-to-project basis, due to the many variables involv
32、ed and the lack of criteria of general validity. It is normally recommended for the choice to be based on SECTION 31 36 00 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-all the available data and on the experience of existing gabion structure
33、s in similar environments.1.3.2 Double Twisted Wire Mesh Gabions and MattressesClassified according to the wire coating, which is applied prior to manufacturing the mesh. Coating styles are as follows:1.3.2.1 Style 1Wire mesh made from wire which is zinc coated before being double twisted into mesh.
34、 Fasteners, lacing wire, and stiffeners are produced from zinc-coated wire. Style 1 for the wire coating is normally recommended for:a. Permanent gabion or mattress structures, for works installed in non-aggressive or non-polluted environments, and this condition remains unaltered over time;b. Tempo
35、rary gabion or mattress structures, for works in moderately aggressive environments, depending on the minimum design life of the structure.1.3.2.2 Style 2Wire mesh made from wire which is coated with Zn-5Al-MM before being double twisted into mesh. Fasteners, lacing wire, and stiffeners are also pro
36、duced from Zn-5Al-MM coated wire. Style 2 for the wire coating is normally recommended for:a. Permanent gabion or mattress structures, for works installed in moderately aggressive environments;b. Temporary gabion or mattress structures, for works in aggressive environments, depending on the minimum
37、design life of the structure.1.3.2.3 Style 3Wire mesh, lacing wire, and stiffeners as Style 1 and overcoated with PVC. Fasteners shall be of stainless steel wire. Style 3 for the wire coating is normally recommended for both permanent and temporary gabion structures, for works installed in aggressiv
38、e or polluted environments, or when the aggressiveness of the site is moderately unpredictable or variable from low to high.1.3.2.4 Style 4Wire mesh made from wire which is aluminum-coated before being double twisted into mesh. Fasteners, lacing wire, and stiffeners are also produced from aluminum-c
39、oated wire. Style 4 for the wire coating is very seldom used in the gabion industry. Its life expectancy shall be adequately documented to guarantee its consistency and reliability.1.3.3 Welded Wire Fabric Gabions and MattressesClassified according to wire coating styles as follows:1.3.3.1 Style 1We
40、lded wire fabric made from wire which is zinc coated before being welded SECTION 31 36 00 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-into fabric. Spiral binders, lacing wire, and stiffeners are produced from zinc-coated wire. Style 1 for t
41、he wire coating is normally recommended for temporary gabion or mattress structures, for works in non-aggressive or non-polluted environments.1.3.3.2 Style 2Welded wire fabric which is made from uncoated wire and the fabric is subsequently zinc-coated after fabrication. Spiral binders, lacing wire,
42、and stiffeners are produced from zinc-coated wire. Style 2 for the wire coating is normally recommended for permanent gabion or mattress structures, for works installed in non-aggressive or non-polluted environments, and this condition remains unchanged over time1.3.3.3 Style 3Welded wire fabric mad
43、e from wire which is coated with zinc-5% aluminum-mischmetal alloy (Zn-5Al-MM) before being welded into fabric. Spiral binders, lacing wire, and stiffeners are also produced from zinc-5% aluminum-mischmetal alloy (Zn-5Al-MM) coated wire. Style 3 for the wire coating is normally recommended for:a. Pe
44、rmanent gabion or mattress structures, for works installed in moderately aggressive environments;b. Temporary gabion or mattress structures, for works in aggressive environments, depending on the minimum design life of the structure.1.3.3.4 Style 4Welded wire fabric made from wire which is aluminum-
45、coated before being welded into fabric. Spiral binders, lacing wire, and stiffeners are also produced from aluminum-coated (aluminized) wire. Style 4 for the wire coating is very seldom used in the gabion industry. Its life expectancy shall be adequately documented to guarantee its consistency and r
46、eliability.1.3.3.5 Style 5Welded wire fabric, spiral binders, lacing wire, and stiffeners as Styles 1, 2, 3, or 4, and overcoated with PVC. Style 5 for the wire coating is normally recommended for both permanent and temporary gabion structures, for works installed in aggressive or polluted environments, or when the aggressiveness of the sit
