2005-P09072 - retaining wall - Laserfiche WebLink

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. � SPECIFlCATION GUIDELINES P� �� G�E� 2.07 Unit Fill C. Instoll fibergloss connecting pins and (itl oll voids in ond around A. Unit fill sholl consist of cleon 1" minus crushed stone or crushed the modular units with unit fill moteriol, Tcmp or rod unit fill to 1.01 Description grovel meeting the following grodotion: insure thot oll voids are completely filled. A. Work includes furnishing ond instolling o KEYSTONE retaining Sieve Size P in D. Sweep excess moteriol from top of units ond instoll next wall to the lines ond grodes shown on the Construction drowings �� 100 course. Ensure thot eaCh Course is completely unit tilled, ond specified herein. 3/4" 75-100 bockfilled und compocted prior to proceeding to next course. 8. Work iricludes preporing foundotion soil, furnishing and instolling No. 4 0-10 E. Ploce each subsequent course ensuring thot pins protrude into leveling pad, unit fill ond bocktill to the lines ond grades shown o� No. 50 0-5 odjoining courses a minimum of t". Two pins ore required per the construction drowings. 2.08 Reinforced Backfill unit. Pull eoch unit forword, owoy from the filling 2one, locking C. Work includes furnishing ond installing oll reloted moterials A. Reinforced backfill sholl be free of debris or orgonic moteriol a9oinst the pins in the previous course ond bockfill os the course required for construction of the retoining woll os shown on the meeting the following grodotion: is completed. Repeot procedure to the extent o( wall height. construction drowings. Sieve Size P in 3.05 Geogrid Installation 1.02 Reference Stondords 2" 100 A. Geogrid shall be loid ot the proper elevctions ond orientotion os A. ASTM C1372 Segmentol Retaining Woll Units. 3/4" 75-100 shown on the construction drawings or os directed by the ASTM C140 Sompl7ng ond Test�ng Concrete AAosonry Un�ts. No. 4 10-60 Engineer. ASTM D448 Sizes of Aggregote for Rood ond Bridge No. 200 0-15 (Select Granular) B. Correct orientation (roll direction) of the geogrid shall be verified Construction No. 200 0-60 by the controctor. ASTM D698 Loborotory Compoction Charocteristics usin Plosticity Index PI <6 (Select Gronular 9• ) C. The geogrid soil reinforcement sholl be connected to the Stondard Effort. Plostic;ty Index PI <20 ond Liquid Limits (LL)<40 KEYSTONE woll un�ts by ploc�ng the geogrid over tiberglass pins 7.03 Quolity Assuronce B_ The moximum oggregate size sholl be limited to 2" unless f�eld and loying the grid buck to the fill side. tests have been performed to evoluote potenticl strength D. The geogrid sholl be pulled tout (SOlbs/ft) to eliminate loose A. Owner will be responsible (or soil testing ond inspect�on quality reduction to instollotion. folds and pretension the reintorcement. Stake or secure bock control during eorthwork operotions. C. Materiol can be site excovoted moterial when the obove edge of geogrid prior to ond during bockfill and compoction. requirements are met. Unsuitoble soils tor backfill (high plostic 3.06 Fill Plocement P� �� clays or orgonic moteriols) shall not be used in the reinforced q, Bock(ill moterial shall be placed in 8" lifts and compocted to 95� soil mass. 2.01 Definitions 0. Controctor sholl submit reinforced f�ll somple ond test results to a� Modified Proctor Density. os determined in occordance with the Architect/Engineer for opprovol prior to construction. ASTM 01557. The in ploce moisture content sholl not exceed the A. Concrete Units — A KEYSTONE modular concrete focing optimum moisture content as deiermined in occordance with unit, mochine mode from Portlond cement, woter ond minerol ASTM 0698 and be no lower thon 3x below optimum moisture oggregotes. PART 3: IXECUTION content. 8. Structural Geogrid — A structurol geogrid (ormed by o regulor B. Bockfill sholl be placed, spreod ond compacted in such o monner network o( integrolly connected tensile elements with opertures o( 3.01 Excovation thot m�nimizes the development o( slock or loss of pretension o( sufficient size to ollow interlocking with surrounding soil, rock, or A. Controctor shall excovota to the lines ond grodes shown on the the geogrid. eorth and function primorily os reinforcement. construction drawings. Controctor shall be core(ul not to disturb C. Only hond—operoted compoction equipment sholl be ollowed C. Unit Fill — Droinoge oggregote which is ploced within and embonkment ond foundotion motericls beyond lines shown, within 3' of the bock surfoce o( the KEYSTONE units. immediotely behind the modulor conCrete units. �� Backfill shall be I D. Rei�forced Bock(ill — Compocted soil which is within the 3.02 Foundation Soil Preparation p oced from the woll back towords the embankment to ensure thot the geogrid remoins tout. reinforced soil volume os shown on the plcns, A. Foundotion soil sholl be excavoted os required for leveling pod E. Trocked construction equipment shall not be operated direclly on 2.02 KEYSTONE Units dimensions shown on the construction drowings, or os directed the geogrid. A minimum bock(ill thickness of 6" is required prior A. KEYSTONE woll units sholl hove o minimum 28—doy compressive by lhe Engineer. to operotion of trocked vehicles over the geogrid. Turning of stren th of 3,000 B• Unsuitable soils sholl be removed ond reploced with occeptoble g psi. Stondord weight concrete sholl have o moteriol. trocked vehicles should be kept to o minimum to prevent trocks moximum moisture obsorption ot 6R. irom displocing the fill ond damoqing the geogrid. C. Over—excavoted areos shall be bcckf�lled with opproved F. Rubber—t�red equ�pment moy poss over the geogrid re�nforcement 2.03 Fiberglass Connecting Pins compocted backfill moteriol. ot slow speeds, (less thon 10 mph.) Avoid sudden broking ond A. Connecting pins sholl be 1/2" diometer thermoset isoptholic 3.03 Bose Levefing Pod sharp turning. polyester resin—pultruded fibergloss pins supplied by the A, �eveling pad materiols sholl be ploced upon opproved 3.07 Co p Instollotion monu octurer. foundation as shown on the construction drpwings to o minimum q, Ploce KEYSTONE Co Units over 2.04 KEYSTONE KapseolTM Construction Adhesive thickness ot 6". P projecting pins from units A. Moterial sholl con(orm to ASTM 2339 ond sholl be su lied 8. A re ate moteriol sholl be com acted to below. Pull forward to setbock position. Bockfill and compact to pp 99 9 p provide a dense, level (�nlshed grode with low permeob�lity so�t. by the KEYSTONE unit supplier. surface on which to ploce the (irst course oi modulor units. g, As required, provide permonent mechanicol co�nection to woll 2.05 Geogrid Compoction sholl be to 92X of Modified Proctor Density os units with KEYSTONE KopseolTM construction adhesive. Apply A. Geo rid sholl be the t determined in accordance with ASTM D1557. For crushed rock, g ype os shown on the drowings hoving the adhesive to top surfoce oi unit below ond ploce cop unit into moteriol sholl be densely compacted os determined by visuol position. property requirements described within the monufocturer's observotion. speci(ications ond requ�red by the design. 3.04 Unit Instollotion 2.06 Base Leveling ond Pod Materiol A, The first course of concrete modulor woll units shall be carefully A. Materiol sholl consist of compocted crushed stone or placed on the base leveling pod. Eoch unit sholl be checked for unreinforced concrete as shown on the construction drowing. level and olignment. 8. Units ure ploced side by side (or (ull length o( wall olignment. Alignment moy be done by meuns of a string line or offset from c base line. " COWRIGHT (c) 2005 BY CIVIL SOLUTIONS CROUP, LLC. CIVIL SOLUTIONS GROUP, LLC Designed By: Project: Registralion Na: No. �ate Rev�s�on gy $R$ t hereby certify that this plan specification, or report wos BROWN RESIDENCE 25493 prepared by me or und y direct supervision and that . 8200 HUMBOLDT AVENUE SOUTH, SUITE 100 � om du �ic s ro s ona� Engineer under tne �aws BLOOMINGTON, MN 55431 sca�e: ORONO, MN Project No: of tne ate i so a. PHONE: (952) 294-4755 N�A rt�e: 05-221 FAX: (952) 294-4595 °°�e: SPECIFICATIONS Drow�nq No: —(��p�— MIKE@CIVILSOLUTIONSGROUP.COM 28 JULY 05 6 oote: Michael Joh son, P.E.