آخرین محصولات
American Hydrotech, Inc. - Green Roofs, Garden Roofs ...
Well screened and washed stone gravel meeting ASTM D-448-80, gradations #2, 4 or 5 (as directed by DuPont™, TechSolutions 508.3 Ballast Design Guide for PMR Systems). 3. Concrete Pour Topping
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PARADRAIN 40 FILTER FABRIC
Immediately install the ballast system over the fabric to prevent heat build-up beneath the fabric, especially when ... 90 lb (0.4 kN) Grab Tensile Elongation ASTM D 4632 MD: 50% CD: 50% Mullen Burst Strength ASTM D 3786 (1205 kPA) 175 psi Trapezoid Tear Strength ASTM D 4533 MD: 40 lb (0.178 kN)CD: 40 lb (0.178 kN) Puncture Strength ASTM D 4833 ...
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Table of Contents
Use clean, smooth, well-rounded stone ballast that conforms to the gradation requirements of Standard Size No. 3 Course Aggregate per ASTM D 448 (nominal 1 to 2 in. [25 to 50 mm] in diameter). 2.2.3.2.4 Growth media may be used as a secondary ballast material; that is, it may be used to ballast the
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Schofield Stone|Stone Wholesalers & Quarriers
Schofield Stone|Stone Wholesalers & Quarriers. #4 Roofing Ballast - ASTM D 448. Color: Tan & Grey. Details: ASTM D 448 - Naturally round, grey and tan granite. Used in …
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SECTION 20110 BALLAST AND WALKWAY AGGREGATE
D. Ballast Samples: Caltrain Standard Specifications 20110-6 September 30, 2011 BALLAST AND WALKWAY AGGREGATE ... larger than one inch shall be tested in conformance with ASTM C535. 4. Perform soundness test in conformance with ASTM C88. 5. Perform durability test in conformance with ASTM D3744, Procedure A.
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APPLICATION:
Well screened and washed stone gravel meeting ASTM D-448-80, gradations, 2, 4 or 5 (as directed by Dow Chemical Company, TechNote 508.1 Ballast Design Guide for PMR Systems). 3. …
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Standard Classification for Sizes of Aggregate for Road and ...
United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the above address or at 610-832-9585 (phone), 610-832-9555 (fax), or service@astm (e-mail); or through the ASTM website ().
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Guide Specification for Pavers for Roof Plaza Decks CDN
No. 89 (per ASTM D 448) Sieve Size Percent Passing 12.5 mm 100 9.5 mm 90 to 100 4.75 mm 20 to 55 2.36 mm 5 to 30 1.18 mm 0 to 10 0.300 mm 0 to 5 0.075 mm 0 to 1 6. Joint Sand Material Requirements: Sieve according to CSA A23.2 and conform to the grading requirements of CSA-A23.1-FA1 with modifications in Table 1 3
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Building Material Product Data - Construction Submittal ...
2.07 BALLAST. A. Rounded Water-Worn Gravel. 1. Nominal 1-1/2" rounded water-worn gravel which conforms to gradation #4 when sized in accordance with ASTM D 448 method of sizing. Coverage rate shall be no less than 1000 pounds per 100 square feet and gravel must be evenly distributed to maintain an average of 10 pounds per square foot. 2.
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TGFUC.R9516 - Built-Up Roof Covering Materials
Class A - Ballast ed ... As an alternate, river bottom or crushed stone conforming to ASTM D-448 No. 3 or 24 may be used in lieu of the No. 4 stone applied at 490. kg/10m (min). As an alternate, river bottom or crushed stone conforming to ASTM D-448 No. 1 or 2 may be used in lieu of the No. 4 …
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ANSI/SPRI RP-4 2013 Wind Design Standard For Ballasted ...
2.1 Ballast In roofing, ballast comes in the form of large stones, (typically river bottom stone ¾ in. to 1½ in. diameter, size No. 4 per ASTM D448 "Standard Sizes of Coarse Aggregate" or ASTMD7655/D7655M-12 "Standard Classification for Size of Aggregate Used as Ballast for Membrane Roof Systems") or
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508 TechNote 179-5481
All references to stone ballast herein are references to ASTM D 448. The sizes and sieve analyses of the aggregates recommended in this TechNote are listed below. ASTM D 448: Standard Sizes of Coarse Aggregate Weight Percent Finer Than Sieve Openings Nominal Size Size Square Number Openings 3" 2-1/2" 2" 1-1/2" 1" 3/4" 1/2" 3/8"
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SECTION 02300 - EARTHWORK
gravel; ASTM D 448; coarse-aggregate grading Size 57; with 100 percent passing a 40 mm (1- 1/2 inch) sieve and 0 to 5 percent passing a 2.4 mm (No. 8) sieve. I. Filter Material: Narrowly graded mixture of natural or crushed gravel, or crushed stone and natural sand; ASTM D 448; coarse-aggregate grading Size 67; with 100 percent passing a 25 mm
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ASTM International - ASTM D448-12 - Standard ...
Find the most up-to-date version of ASTM D448-12 at Engineering360.
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Special Specification Template
Railroad ballast material must be crushed granite stone in conformance with AREMA Chapter 1, Part 2. Ballast gradation must conform to AREMA Number 4. 3. PROPERTY REQUIREMENTS 3.1. Physical Analysis 3.1.1. Method of Sampling. Secure field samples in accordance with ASTM D-75. Reduce test samples from field samples in accordance with ASTM C 702 ...
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Ballasted Roofs Meet Cool-Roof Criteria | Architect Magazine
Three roof sections had black EPDM membranes installed and covered with No. 4 stone per ASTM D 448, "Standard Classification for Sizes of Aggregate for Road and Bridge Construction." Stone sizes were a nominal 1 1/2-inch (38-mm) diameter. One roof section had 10 pounds per square foot (49 kg/m2) of stone, the minimum allowed for ballast.
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Schofield Stone|Stone Wholesalers & Quarriers
#3 Roofing Ballast - ASTM D 448 #4 Roofing Ballast - ASTM D 448. DELAWARE BLEND 3/8. PEARL PEBBLE 1/2. Roofing Spar. AFFILIATES. KEEP IN TOUCH HOME | RETAIL | TRUCKING | LOCATIONS | PRIVACY | TERMS & CONDITIONS | SIGN UP | RESOURCES | CAREERS | CONTACT US Geo. Schofield Stone HQ Bridgewater, NJ 08807 | 800-827-6257
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ANSI/SPRI RP-4 2008 Wind Design Standard For Ballasted ...
2.1 Ballast In roofi ng, ballast comes in the form of large stones, (typically river bottom stone 3/4 in to 1-1/2 in (19mm to 38mm) diameter, size No. 4 per ASTM D448) or paver systems or light-weight interlocking paver systems, and is used to provide uplift resistance for roofi ng systems
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GUIDE SPECIFICATION
Stone Ballast: Well screened and washed stone gravel meeting ASTM D-448-80, gradations #57, 2, 4 or 5. Concrete Pour Topping. SPEC NOTE: Dow Chemical Company, manufacturer of STYRO® Brand insulation, recommends the incorporation of an air layer between the insulation and concrete. Henry recommends the use of DB200 for this purpose.
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CITY OF DULUTH
2.05 BALLAST A. Aggregate Ballast: Smooth, washed, riverbed gravel or other acceptable smooth faced stone that withstands weather exposure without significant deterioration and does not contribute to membrane degradation, of the following size: 1. Size: ASTM D …
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SECTION 32 14 13 INTERLOCKING CONCRETE PAVEMENTS …
Note: This guide specification for the U.S. is for pavers used as ballast and/or paving on pedestrian plaza ... 8. D 448, Standard Classification of Sizes of Aggregate for Road and Bridge ... No. 89 (per ASTM D 448) Sieve Size Percent Passing 3/8 in. (9.5 mm) 90 to 100 No. 4 (4.75 mm) 20 to 55 ...
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ASTM D448 - 03a Standard Classification for Sizes of ...
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.. ASTM Standards. C136 Test Method for Sieve Analysis of Fine and Coarse Aggregates. D8 Terminology Relating to Materials for Roads and Pavements. D75 Practice for Sampling Aggregates. E11 Specification for Woven Wire Test Sieve …
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APPLICATION:
Well screened and washed stone gravel meeting ASTM D-448-80, gradations, 2, 4 or 5 (as directed by DuPont™, TechSolutions 508.2 Ballast Design Guide for PMR Systems). 3. Concrete Pour Topping
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BondCote Roofing Systems
B. Stone Ballast shall be smooth, river washed stone of size and gradation as required by ASTM D 448 for size #2 or alternatively, #1 to comply with #2 Ballast as determined by ANSI/SPRI RP-4. C. Paver Ballast shall be standard concrete pavers (minimum 18 psf) or interlocking, beveled, doweled, or contoured fit lightweight concrete pavers ...
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A Thermoplastic Tri-Polymer Alloy Single Ply Roof Membrane ...
1000 lbs/SQ, using ASTM D 448-98, number 4, 3/4" to 1 1/2" (19mm to 28mm). Gravel ballast shall be smooth, water worn, with rounded edges and corners.• ...
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Building Material Product Data - Construction Submittal ...
Well screened and washed stone gravel meeting ASTM D-448-80, gradations #2, 4 or 5 (as directed by Dow Chemical Company, TechNote 508.1 Ballast Design Guide for PMR Systems). 3. …
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A Thermoplastic Tri-Polymer Alloy Single Ply Roof Membrane ...
lbs/SQ, using ASTM D 448-98, number 4, 3/4" to 1 1/2" ... Gravel ballast shall be smooth, water worn, with rounded edges and corners. •During installation of ballast, do not create piles on the roof deck. Membrane Seaming: •All surfaces must be clean and dry.
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ballast stone sizes astm - mon-plaisir-gourmand.fr
Ballast is assumed to be round, 38 mm (1.5 in.) or 64 mm (2.4 in.) smooth stone consisting of ballast gradation sizes #2 and #4, as specified in American Society for Testing and Materials (ASTM) D448. If crushed stone is permitted it must also follow the gradation targets described above, some manufacturers may require that a membrane ...
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Home | Infrastructure Planning and Facilities
Size: ASTM D 448, Size 57. PROTECTED MEMBRANE ROOFING PAVER BALLAST Heavyweight Roof Pavers: Heavyweight, hydraulically pressed, concrete units, square edged factory cast for use as roof pavers; absorption not greater than 5 percent, ASTM C 140; no breakage and maximum 1 percent mass loss when tested for freeze-thaw resistance, ASTM C 67; and ...
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Versico Roofing Systems Thermoset, EPDM Membrane Roofing ...
Stone Ballast: Nominal 1 1/2 inch (39 mm) diameter rounded water worn gravel which conforms with ASTM D 448, gradation size No. 4, applied at a minimum of 10 lbs per sq ft. 4.
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