OCT-13-2003 MON 02,5� PM FAX N0, P, 04
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<br /> a,2,2 Anchor Shans (Lead Sections and Extensions): lead sections and extension sections are notod in 7ables 7
<br /> Tho 1�12-and i�la•inch{38 and 44,5 mm)squaro RCS shafts and 2. FactoreU nominai loads must not exceed the deslgn
<br /> conform eithortoAS7M A29 andAlSl 1044,having minimum strcngths,71�e nominal loads must be tactorad in�ccordance
<br /> yieEd and tensile slrongths of 70 and 100 ksi (483 and 689 with Section A4raf the spocification.The actuaf capacity of the
<br /> MPa), rospectively, or to AISI 1530, hav�ng min�mum yiold HELIGAL PIER' roundation System depends upon the anal-�
<br /> and tensile sCrengths of 95 and 12�I<si (G55 and 827 MPa}, ysis of tho interaction of the helix platos and lhe soil,and may
<br /> respectivoly.Anchor shafts have a Class C-1,hot•dipped c�al- bo leas than the maximum design strongths nated in this re-
<br /> vanizod coat{ng complying wlth ASTM A 153. port.Column buckliny of foundation anchors due to�ompres-
<br /> 2.2.3 Foundatfon Srackets: sion loads, �and combined flexural and compressivo stressos
<br /> af foundation anchors used with{oundatior, repair brackets,
<br /> 22.3.1 Sracket eody: The brackets are formed from shall be included in tha analysis if this is deemed necessary
<br /> i/a_,���E-, 3/8" Of �/p•inch-thiek (G.a, 7.9, 10 or 13 mm) steek by tho building oftieial or structural d4signec Construetion in
<br /> that moets or oxceeds tho requiremonts of AS1'M A 36,and Seismic Zones 3 and � raquiros campliance with Section
<br /> have a hot-dippEd gaivanizod coating conforming to Class �809.5.h of the codo.A soil investigation report i,necessary
<br /> B•1 of AS7M A 153. and must include considoratlon of:
<br /> 2,2.3.2 Pipe Assembly:The pipo in the upper bracket hody 1. Soil properties, including those af(ecking design.
<br /> ofthe C150-0121,C150-0298 and C150�0299 foundation re- 2. A{low�ble soil boaring pressure,
<br /> pair hrackets is cold-formed,welded, antl soamloss carbon 3. Suitapillty for uso in seismically active areas.
<br /> steol structural tubing,Gamplying with ASTM A 500 Grade B, 1. (nformation on ground-water table,frast dopth and corrc•
<br /> the steel tube has minimum yiQid and tensile strengths of h2 sion.
<br /> and 58 ksi (290 and 400 MPa), rospectively.The pi�e in Che Z,3,2 Cennectoon to euilding Structure: Downward-act�
<br /> upper �racket body of the C150•o1h7 foundation repair ing design stronc�ths associated with each foundation repair
<br /> bracket is hof-rolled, electrical-resistanco-welded, round bracket aro as follows, C150-0121 — 20 kips (89 kN);
<br /> steel tubing. Complying with ASTM A 512 or A 513 Grade �750-0298, G150-o299 and C150-0147—40 kips(178 kN);
<br /> 1020,tha steel tube has minimum yield and kansila strflngths C150•0239-5 kips(22.2 kN};C15o•o132�15 kips(66.7 kN).
<br /> of 50 and 62 ks!(345 and 427 MPa),respectively.All pipo as- Th��QWnward-acting design strength is 5 I<;ps(22.2 kN) for
<br /> semblies have a Class D-1, hot-dipped, galvanized coating ihe T150-ao85 slab repair bracket.
<br /> complying with ASTM A 153. Factored design loads must nat oxcood tho dosign
<br /> 2.2.4 eolts: strongths for the brackets.The concrete foundation and slab
<br /> 2.2.4.1 Steel Faundation Anchor:Tho sizes and types oi must he designed and justifled to the sakisfactian of tho puild-
<br /> bolts connecting the steel foundation anchor extensions to ing official for concantr3ted loads due to tho foundakion and
<br /> lead sections or another extension are doscrihed'�n Tabie 2. slab repeir brackets. �3earing areas not oxcooding 28,34.5,
<br /> All bolts are hot•dippad galvanized steel, 11.4, and 29 sq 2are inches (19,064, 22,258, 7,355, 1a,o64
<br /> and 18,064 mm ) shal', be used So c�lculatp the concrete
<br /> �.�.4.2 Foundation Brackets: pQaring �tress aI the soat of the CiS�-0127, C150�0147,
<br /> 2.2.4.2.1 Llfting Holts: 7he lifting bolts for tho No_ C150�0239,C15Q-0298andC150-029�Jfoundationbrackets,
<br /> C150-0121,G150-0298 and C150-0299 foundation brackets rospectively,In addition,if deemed necessary f�y tha building
<br /> havo a�ls-inch(22 mm)diameter and comply with SA�.J429 otficial,the effects of reducad lateral sliding resistanca due tc
<br /> Grade 5. The lifting bolt for the No. C154-o147 foundation uplift from wind or seismic loads shall be considered for each
<br /> bracket has a diameter of 1 inch (25 mm)and complios wi�h project utilizing the C160-0121,C150-0147,C160-0298 and
<br /> SAE J429 Grade 5. C150-o299 foundation repair brackets_
<br /> 2.2.4.2.2 Cross Bolts: Cross bolts for the No. C150-0121, ����3 Protection of P�er and Bracket MateriaEs:Protection
<br /> C150-0298 and C150-0299 foundation brackets havaadiam- o�t�iO Pi��and bracket materials must cornpEy with Section
<br /> eter of 5/g inch(16 mm)and comply with SAE JA29 Grade 5. 1807.9 of the UBC,
<br /> The cfoss boEt fof thQ No.C150-014'I foundatlon.bracket has 2.4 Instal�ation:
<br /> a 7/R-inch (22 mm) diamotor and complies with 5A� J429 2.4.1 GonoraL•The HELICAL PlER�Founcfation Systom is
<br /> Grade 5. installed ay A, �. Chance Co. cenified installers, trainod to
<br /> 2.2.4.2.3 Concrete Anchor Bolts:Anchor bolts shall be�/Q install the A. 8. Chanco Co. H�LICAL PIER� Foundation
<br /> inch{16,9 rpm)In dlameter for all foundation brackQts.Con- SYstem.
<br /> crete anchor bolts are designed fbr each project. 2.4.1.1 Foundatian Anchors:The foundation anchars are
<br /> 2.2.4.3 Llght-duCy Underpinning Bracket;71zo halt for the �nstailed using rat�ry motors having farward and tovorse c�-
<br /> light-duCy underpinning bracket is a 1-inch-diametor{25 mm) P�bilitles. The foundation anchors must be positioned and
<br /> bolt com I in with SAE J42s Grade 5. angled as specified in the approved plans. Foundation an-
<br /> P y g chars to be att�checl to the structure with the C150-0121,
<br /> 2.2,a.4 Slab Repair Bracket: The bolt for the slab ropalr C150-0147, C750-o298 and C15ao299 foundatfon repair
<br /> bracket is a 1-inch-diameter(25 mm)bolteomplying wltl�SA� brackets aro installed at an angle of 3 to 5 dogrees from verti-
<br /> J429 Grade 5. cal. Foundation anchors attached �o structuros by means of
<br /> 2.2.4.5 New,construction Foundation Bracket: The balt the No. C150-0239 light•duty underpinning bracket, the N4.
<br /> used to connect the new-construction foundation brackot to T150-0065 sl&b rep3�r �racl<ot or the No, C150-0132 new-
<br /> the iaundation anchor is s�/4-inch-diameter(19.1 mm) holt construcYion !oundation bracket, are installed vertically
<br /> complying with SAE J429 Grade 5 for 1'/?-inch(38 mm)RCS plumb,The faun�ation anchors are installed in a si�ooth,con-
<br /> shafcs, and a�/A-Inch-diameter{22 mm)baft complying with <inuaus mannor, with the rate of rotation beiny within tho
<br /> ASTM A 193 Grade 67 for i�/4-inch (4A,5 mm) f�CS shaks. range cf 5 ta 20 revalutions per minute, Extensions aro con-
<br /> necCed to tho faundation anchor using the balts spocifiod ln
<br /> 2.3 besign: Table 2. Coupling holts must be tightened firmly with a
<br /> 2.3.1 General:Structural calculations must be submittod to wrench.Tho foundation anchars are installed to the minimum
<br /> � the huilding afficial far each building,and must be basod on denlh shown on ihe plans,�ut with the top hehix noc less than
<br /> � accopted ongineering principles, The design method is tho 5 feei (1524 mm) below tho bottom of the founda�ion.
<br /> Load and Re;istance Factor Design S�ecifica#!on in Chapter 2.4.1.2 C150-0121, C150-0147, C750-0298 and
<br /> 22,Division il,of the code.The design strengths of individual C150-0299 Feundation Repair �rackeCs: The T-shap�d
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