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SAMPLE'RETAINING'WALL'SPECIFICATION'

SAMPLE' retaining 'WALL' specification '! ! !Natural!Stone!Wall!Solutions,!Inc.!2014 ! !SCOPE'!Work!includes!furnishing!and!ins talling!a!prefabricated!modular!natural! stone! retaining !wall!system!to!the!lines !and!grades!designated!on!the!constructi on!drawings.!!REFERENCES'!The!following! standards!and!specifications!listed!belo w!form!a!part!of!this! specification !wher e!applicable.!!!1. Stone!and!Concrete! retaining !Wall!Units. !!1. ASTM!C!140!H!Sampling!and!Testing!Concre te!Masonry!Units.!!2. ASTM!C!94! !ReadyHMixed!Concrete!!!2. Geosynthetic!Reinforcement.!!1. ASTM!D!4595!HTensile!Properties!of!Geote xtiles!by!the!WideHWidth!Strip!Method.!! 2. ASTM!D!5262!HTest!Method!for!Evaluating! the!Unconfined!Creep!Behavior!of!Geosynt hetics.!!3. GRI:GG1!H!Single!Rib!Geogrid!Tensile!Str ength.!!4. GRI:GG5!H!Geogrid!Pullout.!!!3. Soils.

SAMPLE'RETAINING'WALL'SPECIFICATION'! www.naturalstonewallsolutions.com! ©!Natural!Stone!Wall!Solutions,!Inc.!2014!! SCOPE'! Work!includes!furnishing!and!installing!a!prefabricated!modular!natural!stone!retaining!wall!system!to!the!lines!and!

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Transcription of SAMPLE'RETAINING'WALL'SPECIFICATION'

1 SAMPLE' retaining 'WALL' specification '! ! !Natural!Stone!Wall!Solutions,!Inc.!2014 ! !SCOPE'!Work!includes!furnishing!and!ins talling!a!prefabricated!modular!natural! stone! retaining !wall!system!to!the!lines !and!grades!designated!on!the!constructi on!drawings.!!REFERENCES'!The!following! standards!and!specifications!listed!belo w!form!a!part!of!this! specification !wher e!applicable.!!!1. Stone!and!Concrete! retaining !Wall!Units. !!1. ASTM!C!140!H!Sampling!and!Testing!Concre te!Masonry!Units.!!2. ASTM!C!94! !ReadyHMixed!Concrete!!!2. Geosynthetic!Reinforcement.!!1. ASTM!D!4595!HTensile!Properties!of!Geote xtiles!by!the!WideHWidth!Strip!Method.!! 2. ASTM!D!5262!HTest!Method!for!Evaluating! the!Unconfined!Creep!Behavior!of!Geosynt hetics.!!3. GRI:GG1!H!Single!Rib!Geogrid!Tensile!Str ength.!!4. GRI:GG5!H!Geogrid!Pullout.!!!3. Soils.

2 !!1. ASTM!D!698!H!Moisture!Density!Relationsh ip!for!Soils,!Standard!Method.!!2. ASTM!D!422!H!Gradation!of!Soils.!!3. ASTM!4318!H!Atterberg!Limits!of!Soil.!!! 4. Drainage!Pipe.!!1. ASTM!3034!H! specification !for!Polyvinyl! Chloride!(PVC)!Plastic!Pipe.!!2. ASTM!D1248!H! specification !for!Corrugate d!Plastic!Pipe.!!!!MODULAR'STONE'RETAINI NG'WALL''!A. Stone:!Natural!quarry!dimension!stone!su ch!as!granite!and!untreated!bulk!archite ctural!aged!or!quarried!fieldstone.!!B. Reinforcement:!Epoxy!coated!reinforcemen t!bars!to!be!sized!and!spaced!per!specif ication.!In!conformance!to!ASTM!A934.!!C . Concrete:!Concrete!shall!have!compressiv e!strength!of!no!less!than!4,000!PSI.!In !conformance!with!ASTM!C33!and!ACI!301H1 0.!!D. Geogrid:!Geogrid!reinforcement!shall!be! manufactured!for!soil!reinforcement!comp osed!of!high!molecular!weight,!

3 High!tenacity,!polyester!multifilament!y arns!which!are!woven!in!tension!and!fini shed!with!a!PVC!coating.!!E. Drainage:!Drainage!weep!holes!made!of!PV C!2 !diameter!schedule!40!pipe!and!tied!to!4 !diameter!flexible!perforated!drainpipe. !!The!wall!shall!have!weep!holes!at!spac ing!as!specified.!!SAMPLE' retaining 'WALL ' specification '! ! !Natural!Stone!Wall!Solutions,!Inc.!2014 !!!!!LEVELING'PAD'!A. Material!for!leveling!pad!shall!consist! of!concrete!or!stone!as!specified.!!B. Free!Draining!Backfill!material!shall!be !washed!stone!or!clean!gravel!as!specifi ed.!!!C. Leveling!pad!shall!be!placed!as!shown!on !the!construction!drawings!and!construct ed!to!the!proper!elevation!to!ensure!the !final!elevation!shown!on!the!plans.!!!D . Leveling!Pad!shall!be!placed!on!undistur bed!native!soils!or!suitable!replacement s!fill.!!!WALL'INSTALLATION''!

4 A. Means,!methods,!equipment,!and!installat ion!procedures!shall!be!in!accordance!wi th!the!manufacturer s!requirements.!!!BACKFILL'PLACEMENT''!A . The!reinforced!backfill!shall!be!placed! as!shown!in!the!construction!plans!in!th e!maximum!compacted!lift!thickness!of!12 !inches!and!shall!be!compacted!to!a!mini mum!of!95%!of!modified!Proctor!density!( ASTM!D!1557)!at!a!moisture!content!withi n!2%!of!optimum.!The!backfill!shall!be!p laced!and!spread!in!such!a!manner!as!to! eliminate!wrinkles!or!movement!of!the!ge osynthetic!reinforcement!and!the!wall!un its.!!!B. Backfill!placement!shall!commence!at!the !back!of!the!wall!and!progress!towards!t he!retained!material.!!!C. At!completion!of!wall!construction,!back fill!shall!be!placed!level!with!final!to p!of!wall!elevation.!If!final!grading,!p aving,!landscaping,!and/or!storm!drainag e!

5 Installation!adjacent!to!the!wall!is!not !placed!immediately!after!wall!completio n,!temporary!surface!drainage!shall!be!p rovided!to!ensure!water!runoff!is!not!di rected!at!the!wall!nor!allowed!to!collec t!or!pool!behind!the!wall!until!final!co nstruction!adjacent!to!the!wall!is!compl eted.!!!!

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