
Time: 2012-02-03
The SnapJacket piling replacement system permanently eliminates wood boring creatures and turns your weakened wood piling into a stronger cement one When you choose the Snapjacket rotted piling repair system you are left with an impenetrable barrier to marine organisms and that s why it lasts 50 years 1 2 2022 nbsp 0183 32 ROUND TIMBER PILES SPECIFICATIONS All piling will meet specifications in accordance with ASTM Class B Round Timber Piles specifications and treated in accordance with AWPA specifications U1 AND T1 for land and fresh water use TO BE BID BY PIECE FOR THE FOLLOWING SIZES Size 12 14 16 18 20 22 24 26 28 30 32 2 x 10considered ideal for driving timber piles especially since the overburden materials contained no boulders or other obstructions Almost 120 timber piles 6 10 to 7 32 m 20 to 24 ft long ASTM Class B 12 3 8 were pressure treated with creosote to 192 24 kg m3 12 pcf per AWPA Standard C 3 The contractor drove the timber piles with an MKT This material can be used as support piling for docks marinas bulkheads and piers turning dolphins timber cribbing and many other marine related applications Southern Yellow Pine pressure treated lumber and timbers in various treatments for use in brackish and saltwater applications ranging from 60CCA to 2 5CCA in many different sizes widths and lengths in 05 Committee provides aforum forpole producers and Specifications for Round Timber Piles and the users that enables them to address changing market American Standards Association ASA standard 05 issues and maintain a needed supply of utility poles 1924 Wood Pole Specifications and Dimensions
In class B piles 50 feel or less in length sound knots shall be no larger than 4 inches or one third the diameter of the pile at the point where they occur whichever is the smaller also the sum of all knots in any foot of pile length shall not exceed twice the size of the largest permitted single knot Marine Timber amp Piles Marine Timber amp Piles are a pultruded composite plastic material further enhanced with fiberglass rebar for ultimate span and structural integrity USE Marine construction projects requiring EXTREME strength and durability fendering systems lock wall protection mitre gate timbers piles piers dolphins and camels Table 1 gives class B size requirements for 50 foot piles and measurements of the average and range of diameters of the specimens All of the Douglas fir 13 of the oak and 12 of the southern pine met or exceeded the size require ments for class B class A and B pile sizes and add an eight inch tip natural taper classification The class A and B sizes shown in Table X1 1 are the same as those presented in the original 1937 edition of Specification D 25 The 8 inch tip class adopted by New York City in the 1960s is a replacement for class C and applies for piles up to 40 ft in length X1 2 Tables X1 2 X1 5 Timber Pile Overview TYPICAL LENGHTS 15 to 75 feet – Southern Pile 15 to 120 feet – Douglas Fir MATERIAL SPECIFICATIONS ASTM D 25 AWPA UC4A 4B 4C 5B and 5C ASD Typical Design Stress 0 8 to 1 2 ksi based on pile toe area
Timber piles have a wide range of sizes and strengths The usual timber pile is a tree with a straight trunk and trimmed of branches The butt diameter ranges in size I 5 from 12 to 20 in and the tip diameter from 5 to 10 in Their availability depends on31 8 2017 nbsp 0183 32 These types of piles require a hole to be first bored into which the pile is then formed usually of reinforced concrete The shaft bore may be eased or uncased depending upon type of soil Types of Piles based on Materials Timber piles Timber piles are made of tree trunks driven with small end as a point Maximum length 35 m optimum length 6 6 2014 nbsp 0183 32 utility poles For example a class 1 pole has a minimum top circumference of 27 inches If it is 25 feet long and cedar most utility poles are cedar the circumference measured 6 feet from the bottom must be at least 43 5 inches The higher the class number the skinnier the pole Pole lengths start at 16 feet and increase by 2 foot steps to Class A Class B and smaller piles Up to 85 feet in length CCA Retention 60 80 1 0 1 5 2 5 Creosote Retention 8 lbs 12 lbs 16 lbs 20 lbs 25 lbs21 1 2017 nbsp 0183 32 A To convert to metric dimensions 1 in 25 4 mm B Piles purchased as 8 in and natural taper have a required minimum tip circumference of 25 in and are available in lengths of 20 to 45 ft 16 Table 3 7 Sizes of Class A B and 8 Inch Minimum Tip Piles Length ft 8 inch min tip pile Dia 3 ft from butt x tip dia Class A Class B
built on wood piles from 100 B C to 400 A D Southern Pine Piles PILE SIZE TEST DESIGN LOAD NO OF LOAD LOCATION Length Butt Tips tons TESTS tons Donaldsonville LA 80 and up Class B 140 amp 150 1 60 Mobile AL 60 14 9 5 140 65 Virginia Beach VA 76 Class A 100 50 Charleston SC 75 8 14 8 25 118 1 50high as 235 tons have been carried by timber piles There are wooden piles loaded to 60 tons each under bridges spanning the Thames River in London and 100 ton timber piles in bridges spanning the River Seine in Paris Today wood piles are a mainstay of foundation designers Wood piles are being routinely used At the present time almost 8000 treated Class B s with 203 20 mm 8 inch diameter tip timber piles are being installed for the new Terminal One project at Kennedy Comfort Inn Exton PA end bearing on rock In 1983 to support a new Comfort Inn in Exton PA a 355 84 kN 40 ton capacity timber pile foundation was installed to end bearing on rock 2 Class B The Class B piles are used for foundation work other than specified in Class A and temporary work Piles used for compaction of ground shall not be less than 100mm in diameter or side in square piles Timber Piles Specfication The length of the individual pile shall be specified length 177 30cm for long and 177 60cm for lengths above The earliest standardization effort involving timber piles was the establishment of uniform size and grade characteristics in ASTM D25 Standard Specification for Round Timber Piles 22 First developed in 1915 the current edition of this standard includes specifications for minimum butt and tip sizes for various pile lengths
Piles are supplied in Durability Class 1 and Durability Class 2 F27 strength group 1 and 2 as classified by AS 5604 and AS3818 1 DTM Timber Treated Timber Piles for marine applications in Southern waters are preservative treated to hazard class H6 using CCA in accordance with AS1604 1 DTM Timber are able to offer either untreated or a Pole Lengths and Classes Select a typical overall pole length and pole class Strength The poles outlined in these charts represent a sampling only Other lengths and classes strengths are available upon request OVERALL LENGTHS 30 35 40 45 50 55 60 65 70 75 80 In addition wood can t rust won t corrode and doesn t spall Piling ranges in size from 6″ tip to Class B and is available in standard stock lengths from 10′ to 75′ manufactured per ASTM D 25 latest and treated per AWPA specifications for use in foundation or marine applications that specifies minimum tip size Timber piles in the United States and Canada classify this butt measurement by a Class Sizes of Class A 14 inch butt and Class B 12 inch butt piles are for designers that prefer those designa tions The American Wood Council publishes design values for timber piles conforming to ASTM D25 titled Na NZS 3604 type foundations The majority of residential building foundations in New Zealand are constructed to comply with Building Code Acceptable Solution B1 AS1 which cites NZS 3604 2011 Timber framed buildings The standard provides prescriptive details for constructing seismically resilient slab on ground foundations and pile foundations based on