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SW 1/4, SE 114, SEC 23, T.28N., R.04E.I W.M.
<br />SNOHOMISH COUNTY, WASHINGTON
<br />I149' 9"
<br />)UTLET PIPE.
<br />OUTLET
<br />CONTROL
<br />STRUCTURE
<br />(BY OTHERS)
<br />,.. �.. �.......... ... ______ ..
<br />BE VERIFIED BY ENGINEER) (TYP. OF 1738)
<br />LAYOUT SCALE
<br />1" = 15'
<br />GEOGRID (ACF SX-12) PLACED 12" ABOVE THE R-TANK no
<br />SYSTEM, OVERLAP ADJACENT PANELS BY 18" MIN. GEOGRID
<br />SHOULD EXTEND 3' BEYOND THE EXCAVATION FOOTPRINT.
<br />R-TANKHD UNITS WRAPPED WITH
<br />8 OZ. NON -WOVEN GEOTEXTILE (OR EQUAL)
<br />177771777'R-TANK"
<br />INLET PIPE ,,.
<br />-)
<br />- -I
<br />`1-
<br />-11- 11
<br />3" STONE BASE
<br />.. +- PAVED
<br />SURFACE
<br />_ 12 I
<br />t+Y +I,I Iidi)ll it tl �lil, _ -- OVERFNAL
<br />LOW
<br />OW
<br />- PIPE
<br />'
<br />-.. ... -. .. .. ... .... .... ..: .. ..:. _OUTLET PIPE
<br />_ III I - I I I- -- I �I IL I�11 IIII I 1
<br />R-TANKH° TANK WRAP & EXCAVATION ENVELOPE DETAIL
<br />MODULE TYPE
<br />DOUBLE+MINI
<br />TRAFFIC LOAD
<br />HS-25
<br /># OF DOUBLE+MINI R-TANKS
<br />1,738.
<br />R-TANK STORAGE VOLUME
<br />18,006 CF
<br />TANK INVERT
<br />492.25
<br />INVERT OF STONE BASE (3")
<br />492-00
<br />TOP OF R-TANK ELEV.
<br />495.79
<br />TOP OF COVER STONE ELEV. (12")
<br />496.79
<br />ACE BX-12 GEOGRID ELEV.
<br />496,79
<br />MIN. STONE PERIMETER WIDTH
<br />2.0 FT
<br />SEE SHEETS 3 - 6 FOR DETAILS AND ADDITIONAL
<br />INFORMATION
<br />NOTE: ENGINEER OF RECORD TO REVIEW, APPROVE AND ENDORSE FINAL SITE SPECIFIC DESIGN.
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<br />TANK INV=492.25
<br />•.r ..r.u.uruur
<br />I
<br />STONE Ili
<br />DOUBLE + MINI R-TANKHD - ELEVATION
<br />END VIEW OF PIPE/FABRIC CONNECTION.
<br />MODULE DATA
<br />GEOMETRY:
<br />LOAD RATING:
<br />LENGTH = 28.15.IN. (715 MM)
<br />33A PSI, (MODULE ONLY)
<br />WIDTH = 15.75 IN. (400 MM)
<br />HS25, (WITH ACE COVER SYSTEM)
<br />HEIGHT= 42.52 IN.(1080 MM)
<br />MATERIAL:
<br />TANK VOLUME = 10,91 CF
<br />100% RECYCLED POLYPROPYLENE
<br />STORAGE VOLUME = 10.36 CF
<br />SMALL PLATES PER
<br />VOID INTERNAL VOLUME: 95%
<br />SEGMENT/TOTAL:
<br />VOID SURFACE AREA: 90%
<br />5115
<br />DOUBLE + MINI R-TANKH° - MODULE DETAIL
<br />R-TANK"D QUANTITIES
<br />R-TANKHD MODULE TYPE
<br />DOUBLE+MINI
<br />U # OF DO BLE+MINI R-TANKS
<br />1,738
<br />R-TANK STORAGE VOLUME
<br />18,006 CF
<br />STONE BED FOOTPRINT
<br />6,101 SF
<br />STONE QUANTITY
<br />381 CY
<br />8 OZ. NON -WOVEN GEOTEXTILE TANK WRAP
<br />13,795 SF (1,533 SY)
<br />Ai BX-12 GEOGRID
<br />8,372 SF (930 SY)
<br />12" MAINTENANCE PORTS
<br />1 5
<br />12" PIPE BOOTS
<br />1 3
<br />NOTE: STONE QUANTITY INCLUDES 12" OF COVER AND 3" OF BASE.
<br />NOTE: GEOTEXTILE / LINER QUANTITIES INCLUDE A 15% WASTE FACTOR.
<br />PIPES TO PREVENT BACKFILL _:.,," . _. :.__„__
<br />FROM ENTERING STRUCTURE _ *TRIM AS NEEDED
<br />R-TANKHD TYPICAL TANK INLET/OUTLET DETAIL
<br />NOTE: ENGINEER OF RECORD TO REVIEW, APPROVE AND ENDORSE FINAL SITE SPECIFIC DESIGN.
<br />1 R-TANK SYSTEM LAYOUT 2 R-TANK SYSTEM DETAIL
<br />C4.2 NOT TO SCALE NOT TO SCALE
<br />NOTES:
<br />DUMP TRUCKS AND PANS SHALL 1. FOLLOWING PLACEMENT OF SIDE BACKFILL A UNIFORM 12" LIFT OF THE FREELY DRAINING MATERIAL (SPEC
<br />NOT OPERATE OVER THE SECTION 2.03 B) SHALL BE PLACED OVER THE R-TANK AND LIGHTLY COMPACTED USING A WALK -BEHIND
<br />SYSTEM EXCAVATION AREA TRENCH ROLLER. ALTERNATELY, A ROLLER (MAXIMUM GROSS VEHICLE WEIGHT OF 6 TONS) MAY BE USED.
<br />BACKFILL MATERIAL UNLOADED OUTSIDE ROLLER MUST REMAIN IN STATIC MODE UNTIL A MINIMUM OF 24" OF COVER HAS BEEN PLACED OVER THE
<br />OF THE SYSTEM EXCAVATION AREA MODULES, SHEEP FOOT ROLLERS SHOULD NOT BE USED, SPEC SECTION 3.05 A
<br />2. ONLY LOW PRESSURE TIRE OR TRACK VEHICLES (LESS THAN 7 PSI AND OPERATING WEIGHT OF LESS THAN
<br />1 e
<br />20,000 LBS) SHALL BE OPERATED OVER THE R-TANK SYSTEM DURING CONSTRUCTION, SPEC SECTION 3.05 B
<br />-
<br />_
<br />Q 0 O 3. DUMP TRUCKS AND PANS SHALL NOT BE OPERATED WITHIN THE R-TANK SYSTEM AT ANY TIME. WHERE
<br />I t NECESSARY, THE HEAVY EQUIPMENT SHOULD UNLOAD IN AN AREA ADJACENT TO THE R-TANK SYSTEM AND
<br />..._ ,
<br />t r ? THE MATERIAL SHOULD BE MOVED OVER THE SYSTEM WITH TRACKED EQUIPMENT. SPEC SECTION 3.05 IS
<br />4. ENSURE THAT ALL UNRELATED CONSTRUCTION TRAFFIC IS KEPT AWAY FROM THE LIMITS OF EXCAVATION
<br />z} r I UNTIL THE PROJECT IS COMPLETE AND FINAL SURFACE MATERIALS ARE IN PLACE. NO NON -INSTALLATION
<br />Y
<br />- - RELATED LOADING SHOULD BE ALLOWED OVER THE R-TANK SYSTEM UNTIL THE FINAL DESIGN SECTION HAS
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<br />-'• .. ..�_ -Y'�= D INCLUDING PAVEMENT. SPEC SECTION 3.05C
<br />- , .._.._. - ,, .,::,.. ..._11 _,.. BEEN CONSTRUCTED
<br />'•%% " r . ' ' " " a' I& ""' "1 ' - `-"" 5. SEE R-TANK INSTALLATION GUIDE OR CONTACT YOUR LOCAL ACE REPRESENTATIVE FOR ADDITIONAL
<br />g
<br />INFORMATION.
<br />JJ
<br />DUMP TRUCK DETAIL (SEE NOTE 3)
<br />SMOOTH DRUM ROLLER
<br />VIBRATORY MODE
<br />(6 TON MAX, SEE NOTE 1)
<br />LOW GROUND PRESSURE DOZER
<br />(10 TON MAX, SEE NOTE 2)
<br />SMOOTH DRUM ROLLER
<br />"""` an"' .
<br />STATIC MODE
<br />(6 TON MAX, SEE NOTE 1) -
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<br />BD SUBGRADE / EXCAVATION LINE: COMPACT PER SPEC
<br />R-TANK" OR R-TANK UNITS
<br />HD: LOAD RATING: 33.4 PSI (MODULE ONLY) SECTION 3.02 D. A BEARING CAPACITY OF 2,000 PSHD
<br />SO: LOAD RATING: 40 PSI (MODULE ONLY) MUST BE ACHIEVED PRIOR TO INSTALLING R-TANK
<br />ORR-TANKSD
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<br />12 OZ/SY NONWOVEN
<br />GEOTEXTILE FABRIC
<br />OVER ACE R-TANKHD
<br />NOTE: CUT FABRIC AND WRAP AROUND
<br />PIPE SO THAT PIPE BUTTS DIRECTLY
<br />AGAINST ACE R-TANKHD. PIPE EFFLUENT
<br />SHALL NOT PASS THROUGH FABRIC
<br />SECTION
<br />2'-0"
<br />PIPE
<br />O.D.
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<br />STAINLESS
<br />STEEL BANDS
<br />SIDE VIEW
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<br />GEOTEXTILE PIPE BOOT FOR R-TANKHD
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<br />TOTAL. COVER: 24" MINIMUM AND 84" MAXIMUM. FIRST 12" MUST BE NOTES:
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<br />FREE DRAINING BACKFILL (SPEC SECTION 2.036): STONE <1.5" OR SOIL 1. FOR COMPLETE MODULE DATA, SEE APPROPRIATE R-TANKHD MODULE SHEET.
<br />(USCS CLASS GW, GP, SW OR SP). ADDITIONAL FILL MAY BE 2. INSTALLATIONS PER THIS DETAIL MEET GUIDELINES OF HL-93 LOADING PER THE AASHTO _RFD
<br />STRUCTURAL FILL (SPEC SECTION 2.03C): STONE OR SOIL (USCS BRIDGE DESIGN SPECIFICATIONS, CUSTOMARY U.S. UNITS, 7TH EDITION, 2014 WITH 2O15 AND 2016
<br />CLASSSM, SP, SW, GM, GP OR GW) WITH MAX CLAY CONTENT<10%, INTERIM REVISIONS.MAX
<br />25% PASSING NO. 200 SIEVE, AND MAX PLASTICITY INDEX OF 4. A 3. PRE-TREATMENT STRUCTURES NOT SHOWN.
<br />MIN 2" COVER MUST BE MAINTAINED BETWEEN BACKFILL ER
<br />. 1 I FILTRATION APPLI ANIONS GEOTEXTILE ENVELOPING R-TANK SHALL BE ACF M200 P
<br />4. FOR N CEQUIPMENT
<br />AND THE TOP OF THE R-TANK- SYSTEM AT ALL TIMES. SPEC SECTION 2.02A) AND BASE SHALL BE 4" MIN. UNCOMPACTED FREE DRAINING BACKFILL
<br />TOTAL HEIGHT OF TOP BACKFILL SHOULD NOT EXCEED 7'. CONTACT (SPEC SECTION 2.03A) TO. PROVIDE A LEVEL BASE- SURFACE MUST BE SMOOTH, FREE OF LUMPS
<br />HDCF ENVIRONMENTAL IF MORE THAN TOR LESS THAN 24" OF TOP
<br />A TP INN.
<br />OR DEBRIS, AND EXTEND 2' BEYOND R-TANK FOO RBACKFILL IS REQUIRED (FROM TOP OF TANK TO TOP OF PAVEMENT). GEOGRID (ACF BX-12) PLACED 12" ABOVE THE R-TANKHD SYSTEM.
<br />1��
<br />OVERLAP ADJACENT PANELS BY 18"MIN. GEOGRID SHOULD EXTEND
<br />3'BEYOND THE EXCAVATION FOOTPRINT.
<br />PAVED
<br />UTILITY MARKERS AT 36' (0.91 m) MIN. COVER FROM FINISH
<br />SURFACECORNERS (TYP.) I � I GRADE TO TOP OF TANK:
<br />I I 24"(061 m)MIN.
<br />- 84' (2.13 m) MAX.
<br />p4rE
<br />1� :.L , 1I {
<br />i�,Z1= 12 (0:30 m) .. r' -fl' _-� 1
<br />'1 OPTIONAL
<br />- ( OVERFLOW
<br />- - _ PIPE
<br />INLET PIPE _ 1 - I - Z - 4� I i i -
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<br />OUTLET
<br />w...,
<br />I I - I - (- N PIPE
<br />_ I -II-I - -I I It_I -3 II -I I I-
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<br />3" (0,08 m) MIN.- - I -� I I I I - I I - I I
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<br />24" (0.61 m)
<br />R-TANKHD UNITS
<br />LOAD RATING: 33.4 PSI (MODULE ONLY) BASE: 3" MIN. BEDDING MATERIAL (SPEC SECTION SIDE BACKFILL: 24" MIN. OF FREE DRAINING
<br />2.03A) MAY BE STONE (<1.5") OR SOIL (USCS CLASS GW, BACKFILL (SPEC SECTION 2.03B): STONE <1-5"
<br />£
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<br />GP, SW OR SP). MUST BE FREE OF LUMPS AND DEBRIS, OR SOIL (USCS CLASS GW, GP, SW OR SP).
<br />SUBGRADE / EXCAVATION LINE: COMPACT PER AND EXTEND Z BEYOND R-TANKHD. COMPACT PER MUST BE FREE FROM LUMPS, DEBRIS AND
<br />SPEC SECTION 3.02 D. A BEARING CAPACITY SPEC SECTION 3.03 A. NATIVE SOILS MAY BE USED IF OTHER SHARP OBJECTS. SPREAD EVENLY TO
<br />OF 2,000 PSF MUST BE ACHIEVED PRIOR TO THEY MEET THE REQUIREMENTS OF SPEC SECTION PREVENT R-TANKHD MOVEMENT. COMPACT
<br />INSTALLING R-TANKHD 2.03AAND ARE ACCEPTED BY OWNER'S ENGINEER, SIDE BACKFILL WITH POWERED MECHANICAL
<br />COMPACTOR IN 12" LIFTS (PER SPEC SECTION
<br />3.05 A2).
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<br />R-TANKHD & H-25 LOADS - SECTION VIEW
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<br />= I.-
<br />16.25" FRAME
<br />AND COVER REINFORCED CONCRETE
<br />NOTES COLLAR WHERE REQUIRED _ _
<br />1. THIS PORT IS USED TO PUMP WATER INTO THE SYSTEM 12" DIA. PVC NON -CORROSIVE HOSE CLAMP
<br />AND RE -SUSPEND ACCUMULATED SEDIMENT SO THAT IT MAINTENANCE PORT PAVED SURFACE -
<br />MAY BE PUMPED OUT.
<br />2. MINIMUM REQUIRED MAINTENANCE INCLUDES A BACKFILL COMPACTED TO 95% ,. 1. GEOTEXTILE
<br />QUARTERLY INSPECTION DURING THE FIRST YEAR OF STANDARD PROCTOR DENSITY ��-:(, (AS SPECIFIED)
<br />OPERATION AND AYEARLY INSPECTION THEREAFTER.-
<br />FLUSH AS NEEDED. GEOGRID __ 1 r' °'} c"v #';
<br />3. ONLY R-TANKHD AND R-TANKSO MAY BE USED IN TRAFFIC (REQUIRED IN TRAFFIC AREAS) ' 12 1 e ' ��,°d;n,' • •
<br />APPLICATIONS. '-r wX�od"T^? 1"+/- VENTING PERFORATIONS
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<br />4. SEE TRAFFIC LOADING DETAIL FOR MINIMUM & MAXIMUM % {' w;�r'4A'
<br />COVER REQUIREMENTS. (��(� 'I
<br />�w 8" NOTCHES CUT IN SHADED
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<br />PIPE NOTCHING PATTERN
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<br />NON -CORROSIVE SOLID PLATE NOTCH BOTTOM OF PIPE
<br />PLASTIC, SLATE OR EQUIVALENT (SEE PATTERN) R-TANKHD TYPICAL MAINTENANCE PORT
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<br />NOTE: ENGINEER OF RECORD TO REVIEW, APPROVE AND ENDORSE FINAL SITE SPECIFIC DESIGN.
<br />T Qf
<br />R-TANK SPECIFICATION
<br />PART 1 ,GENERAL
<br />PART 3. EXECUTION
<br />1
<br />1, I Related Documents
<br />3.01 Assembly Of R-Tank Units
<br />A. Drawings, technical specification and general provisions ultra Contract as modified herein apply th this section.
<br />A. Assembly of modules shall to performed In accordance with the R-Tank Installation Manual, Section 2,
<br />1.02 Description of Work Included
<br />xcav
<br />3,02 Layout and Eation
<br />A. Provide excavation and base preparation,.r,..Wi,hnical engineer's rewma mend.fibri ndl-ashowmen Medesign drawings, to provide adcqualesupportfcrpm.tdesign
<br />A. In taller shall stake ouexcavate t,. and prepare thesubgrade area to the required plan grades and tlimansions, ensuring that the excavation is at least 2 feet greater than R-Tank
<br />loads and safety from exravation,to ... 11 collapse. Ex .... he,, shall be in accordance with the owner's and OSHA requirements,
<br />tlimansions in each direction allowing for Ihaellumn Of geotextila filter fabric, R-Tank modules, and free dminirg backfill materials.
<br />B. Provide and install R-Tome, R-TankHO, R-Tanks,, or R-T,,PO system (hereafter called R-Tank) and all related products including fill materials, geotextiles, gonfidds, inlet and
<br />8. All excavations must be prepared with OSHA approved excavated sides and sufficient working spare,
<br />cutlet pipe withconnections per themanufacturersinstallationguidelinesprovidedinthissection.
<br />C. Profect Partially completed installed- against damage from other construction bsfflc by establishing a perimeter With high visibility construction tape, fencing, barricades, Or Other
<br />C. Provide and wnstmct the cover of the R-Tank systemchiding; stone backfll, structu2l fill cover, and pavement seeiion as specit
<br />until wnstmclon is complete.
<br />D. Protect R-Tank system from conshuctr, traffic after nstalWilm, until completion of all construction.itvtyn he installation area,
<br />D. Base o(the excavation shall be can form level, and free of lumps or debris one, soft or yielding subgratle areas. Ammmum 2,000 pounds per square foot bearing capacity is
<br />requ red
<br />1.03 Quality Control
<br />1 Standard Apie callers Compact .upgrade to a minimum of 95% of Standard Proctor (ASTM 0698) dens try or as requ red by the Owners engine,,,
<br />ISOy pf
<br />A. Allmaterialsshallct
<br />n f r de shoNtl not be performed i filtr tmn a lcat ons . infifrat onApplication.: S b rode sh Il be r prepared cortlan,e wfti the centred documents Gom aclo o sub a
<br />p 9 P pp
<br />29 a p,l
<br />shelf dcm.n,ft Whoctli
<br />B. Inslallafon demonstratet rig
<br />Unsuitablev f hall be tlrectetl t the owners en 'n er who Will a vie the sub rode condition, nor to
<br />E. be ons o g eppro gp
<br />SetsreCh.tons: All quest onsall
<br />of three R-Tall
<br />p,,j,ovr
<br />feted it
<br />1. A m mmum of three R-Tank Or equ violent prgecis completed within 2 yeare; and
<br />tefh.,.dbi
<br />Placement of stone The owners engineer shall deferm ne the requ red bear rig rapes ty of the R-Tank subgatle, however', no case shall a bear rig capacity of less than 2 000
<br />placement determine
<br />2. A m n mum of 25,000 cubic feet of storage volume, completed w thin 2 years.
<br />pounds per square foot be prow chst,
<br />3: Contractor experience requirement may be wa vetl if me manufacturers representative prov des ort-ate hang and review during constructor.
<br />1 If unsu t.M. sots are encountered at the subgrade, or if the subgratle -s pumping or appears ezcess vely soft, repair the ,rea'n acecrtlance With contract deem menfs andlor as
<br />C, installation Personnel: Performed Only by skilled workers withsatiefactory rewrd of performance on bulk earthworks,pipe,chamber, or pontlfandfli construct On projects of
<br />directed by the Owners ergn...
<br /><g
<br />,,,",Me size and qualify.
<br />2. Ifntlicatlons of the water table are observed duringextion the erg near shall be contacted to prow om provide recmendation
<br />D. Contractor must have manufacturers reprasenlatveavalable for et, review R requested by Owner.
<br />3. DO not start-helolion of the R-Tank system unfit Unsatisfactory,uNMd, conditions are corrected and the subgrade,,,d,t... are accepletl by the owners engineer.
<br />1.04 Submittals
<br />3.03 Preparation of Base
<br />A, Submit proposed R-Tank layout drawings. Drawings shallInclude typical section details as well as Merequired baseelevationof,w,, and tanks, minlmum cover review rats
<br />A, Place a thin layerl3" unless otherwise spec,Wdit of bedding material (Section 2D3 A), over the subgratle to establish a level working plan -for the R-Tank modules. Level to
<br />and tank configuration.
<br />within 16" (,/ %") or as shown on the plans. Native subgrade ,,its or other materials may be used if determined to meet the requirements of 2,03 A and are accepted by the
<br />B. Submit manufacturer's product data, Including compressive strength and unit weight.
<br />C. Submit manefe,anm, installation instructions.
<br />owner's engineer.
<br />1. Standard Applications: Stalls roll Or Otherwise compact bedding materials until they are firm and unyielding.
<br />D. Submit R-Tank sample for review, Reviewed and accepletl samples will be returned W me Contractor.
<br />2. m el rath, Applications: Bedding materials shall be prepared In accordance with the contract documents.
<br />E. Submit material certifcstes for geotextila,garg,d, base course and backfill materials.
<br />B. Outline the footprint of the R-Tank system on the excavation fore using spray paint Or chalk line to ensure a V pectinate, isa 11,bie around the R-Tank system for proper
<br />F, Submit requ lred experience and personnel requirements as specified in Section 1.03.
<br />installation and compaction of backfill.
<br />G, Any proposed aqua l alterative product substitution to this specification ,,at be submitted for -iew,ad approved prior to bid opening. Review package should include third
<br />-
<br />party reviewed performance data that meets or exceeds enter in Table 2.01 8,
<br />3.0el m,Wllafou of the R-Tanks
<br />eo A. Where a gtexfle wrap is specified on the stone base, cut strips to length and'metall m excavation, removing wrinkles so materiel lays fat. Overlap geotextila a minimum 12' or
<br />1.05 Delivery, Storage, and Handling
<br />we moommanded by manufacturer.
<br />- -----
<br />A otherma damage duringdelivery,and UV sm tundertanp to protect from fight hen time from delivery, to installation
<br />A. Protect
<br />install the liner ...f,d,,es reoommendefivns and the contract do -ants. The R-Tank milts shall be se aratetl
<br />)'se perm p
<br />B. Whereon mp ' I' (f ont..
<br />ofpllsfrom
<br />,fiv-, free dirt, di
<br />two Week.. of mateeals should by on smooth surfaces, free from dirt, tl
<br />seed, two weeks
<br />f Section
<br />g-tr food, installed!
<br />from lou t by .woven gay
<br />d
<br />B. Hantll'ngisto be performed with equipment appropriate to the materials and ate conditions and may include hand, handcart forklift, extens onitfs etc
<br />formed
<br />O COId weather -
<br />the des ,With
<br />l R,Tp aid., ..-cstalletl will, o tat bring line to form square
<br />des gndmwn re Noeorieented.a itherd-gn ted, It dowins advisableto ed death
<br />C. Install ..Ofsmohtaft by,longheprie. by titer In accordance system
<br />and straight edges along the perimeter of the R-Tanksystem. The modules are to be oriented as per the design drawing with required depth as shown on plans..
<br />1. Care ,,at be taken when handling plastics When ,I, Imperam, is 40 degrees or Below as plastic becomes brittle.
<br />1. For LD,HD, and S D installations, the large side plate of Hie tank should be placed on the perimeter of the system. Thls will typically require that the two ends of the tank area will
<br />A-
<br />2. Do not use frozen materials or materials mixed or coated with Ice Or fmst:
<br />have a row of tanks placed parpandmular to all other tanks. if this is not shown in the construction drawings. it is a simple field adjustment that will have minimal effect on the
<br />_
<br />3. Do not build on frozen ground or wet, saturated Or muddy subgrade.
<br />mIf system footprint Refer to R-Tank Installation Guide for more details
<br />2. For Of) I 1 ll Ilona there's no ripe a ndii end required. p
<br />P t II of rem
<br />1,06 re oat on Co e
<br />D. th the R and 'n specified I ( t f t rt l that it w II cover the sides and to o sulal n the ant re system to revert backfll ante No
<br />C9 Y P
<br />P P9 P 9P. neap Y
<br />v fa design Yeam the a ell contactor the excavatipn contractor, Me
<br />A. Pr or to the start o(ihe'nstaliat on a pre nspalial on conference shall occur with the representali es from the es g g ny
<br />in.an T v rid damage ofext le and Rs edfietl 'm usher tlurn lacement,
<br />the [. Overly eotexble i2" Or as Were in d ri b ti t k 1 are to a o
<br />Overly P g Y g g ( p perno ) g p
<br />R Tank nslallelion contractor, and the manufacturersrepresenfafve.
<br />rons
<br />E. Id I.'I h,uoh n be outletendle hyd comic (h getxfl (and Pt'nether-Tankuwnnecl',hearuldbe'nsall be fu.red,etlupWMe Wwith)andihs
<br />i f bri h II b t li ruble h i t twee, the con actors and the R T nk can is. TM1ese wnnect ons shall be secured use a boots with Stainless
<br />ri con nut be
<br />9e Y Y 9PP
<br />Project tli n
<br />1,07 o cl Con to s
<br />1
<br />ckflloperation. tO revert from setll'n and tlama n the eotext ie 'm usiner fs cfietl o Conneclln
<br />t i i m .B Support in henches during bapervo pe j offs g
<br />ip .s d
<br />PP P P PP 9P pipe 9 9 9 9
<br />P
<br />v he cam pietist R Tanks lam No loads
<br />i ale'nspalial'on for the R Tank s stem with vN tie I"ties to efm mate all non -installation related canstmclrn haffc war
<br />A. Coortl np Ys
<br />facilitates o ,trust n unless olherwises specified. Ensure end of installed sou a ansiRT k 1
<br />t 90 d 1 later c n y
<br />hire, e9 9 P pipe -s g g
<br />E
<br />n design setae a load be
<br />v shall I ads higher than a sia deed AASHTO HS20 Or HS25 depending oPP heev er than the design loads shall be allowed r er the t tli no case h l on ( P g)
<br />allowed thesystematany Lim a. y
<br />F. 1 tail Inspection d M t ce Ports n location,rO noted on tans, At a minimum one ma ntenance ort shall be metalled fM1 10 f hmet &Outletconnect on and vi the
<br />P
<br />pa g f penano, portfarevery 2500squarefeel Installallportsas noted I, Inslallato G d
<br />B. adlacenl Work m damage during system 'rn
<br />dj
<br />proper hydraulic will depend on the
<br />G. requ red nstall ventilationtli fts and vents as spec fed on draw rigs On for Proper
<br />it pertama . Th be f pip,, .tl
<br />pPV de ventilation
<br />AllpcProtect
<br />G. All pre treatment systems to remove debts and heavy sediments must ben place and functional prior to Operation of the R-Tank system. Atldilional pretreatment measures may
<br />,yotem andR-Tankheavy meets
<br />,mom,era
<br />e elbow with e'npoalandsca etl area with U bend or vent, bollard fr'ntititihe in re sot debris,
<br />it into or.,
<br />s ze of the system. Vents are Often installed us rig a 90 degree w pipe p 9 ,mom,,
<br />,
<br />.
<br />E
<br />be needed'! can t s operational during consiruciion due to increased sediment loads
<br />ground level w 1 ,teal cover can be used
<br />D. Contractors nWponsbW for any damage to the system tlurng construct On.
<br />3.05 Ba,kfl lie9 of the R Tank Unite
<br />PART2-PRODUCTS
<br />and till with in(S.,s as follows:
<br />A. PI.. treaty B) around the meter -n Ifs with a mat mum thickness of 12", Each lift shall be around the enure perimeter such
<br />1 Place freely draining b kf IImateriels (Sect on 2.03
<br />z 0
<br />R Tank Units
<br />lank Injection took form height (custom for each
<br />per placed
<br />the
<br />Nal each lift is no more than 24 h9her than the title backfill along any other location On Me perimeter of theRTank system No fill shall be placed over top of tanks until the side
<br />id
<br />(�nn
<br />O Z V t
<br />A. R molded plastic plates assembledtoa95"/n vied modular structure of pretles grad project).
<br />A
<br />B. R T k cards shall t (h following Phys cal &Chem cal Gharactenstcs.
<br />backfill has been coin leted.
<br />p
<br />Q
<br />F-- _ m
<br />-_- _-.__-. __..- __ __.-
<br />2 Each eft shall be wHim Wtl at the spedfed mosture content to a minimum of 95% of the Standard Procter D...lty uONl no turner d-stfcations Obsarved(for selfcompacc.g
<br />,lone mateeals) The,delift, must he wmpacted with walk behind co Wedcn equipment Even who, %.IFI-p-ng backfll laterals are selected a walk behind vibratory
<br />V
<br />PROPs pEScmar aN
<br />VALUE
<br />rp ambe used.
<br />z
<br />vs' aunt
<br />_
<br />3. Take care to ensure Mat the compact On process tices not allow the machinery to come Into contact with to modules due to the potential for damage to the geo[ex[Ile and
<br />TakeWe
<br />C) O M
<br />sloe arm oza arnsrrna s4%
<br />aluAn20'�
<br />RT kuhts
<br />stir
<br />m
<br />H52 Covxrr a tls l
<br />w
<br />4 N fasten equ pment is pens sable to operate directly on 'no R Tank mod es
<br />U (_ ¢
<br />IS
<br />c
<br />S.Top6 ckfll
<br />W W y
<br />a T,pca Appl capons- Install a 12 (Or as shown on plans) lift of freely tle n ng matey ai (Seed., 2.03 S) over the R-Tank Um is ma,taming 12" between equ p.- tracks and
<br />D- I jJ Z O
<br />U:ti.1W' S3 Icslcf
<br />RTank System
<br />U) U) V p
<br />W
<br />_
<br />b, Shallow Applicator, (I18' total cover)', Install top backfmin seeders wM plans
<br />(n of
<br />Y
<br />C eMmSupplier. ACF In, ronmarri 2831bCardwell Read Richmond, VA 23234
<br />Lightlycompacted usingawalk bell rid trench roller .Alternately acrviler(mzamum ss groveh cle we ght Of Btons)may be used Roller must rema n'n ,folic mode until
<br />um of 24' of cover has been placed Over the modules Sheep foot rollers should not be used.
<br />Z Z W W -
<br />0
<br />(T) BDD 48-3636 (F): 804 743 1779 www ecien,wormental wm
<br />6 H required, install a geogdd as shown rn plans Geogr d shall extend a m i mum of 3 feet beyond the lim is of the axcavapon wall.
<br />7- F placementand comps ti ofth Tal cover subsequent fll (Sectork shall placedatthe etl mosture contentandcompactedtva
<br />< O �
<br />i'- W Z
<br />�
<br />202 Geosynthetcs
<br />footprint systemn Fita
<br />m of 95% of the Standard P ctor Dens ty and shall cover the enure footprint of the R-Tank system During placement of fill above the system, unless otherw se specified,
<br />minimumentire
<br />to footprint the R-Tank Do cover depths listed in Table 2CHB
<br />� W
<br />� �
<br />A. Geotextfe. A goetextile envelopes required to prevent backfill matermal he, entering theRTank modules,
<br />f elavat on of fill shall be mahamed towthm12" across of system, not exceed maximum
<br />des, details. Each layer renfercem- above the R-Tank system
<br />(% Z
<br />1, Standard Application: The standard geotextila shall be an 8 oz par square yard nonwoven geolextift(ACF N080 or equvalent)
<br />2, Inflhat On Applications: When wafer must'nfiltratelexfiitrate thmugh the geotextia as a function of the system design, ..even mor.fifimasne{ACF M200 or equivalent) shall be
<br />8. Place addiional layers of geolexpleandlor gergrd At.1-lonsbe sip-fi.emthe of gersynthebc placed
<br />shall wd.nda f3f t beyond the I!hnis of the axcavotlo,wall
<br />0
<br />used.
<br />8. Only low pressure fire or track vehicles shall be operated over the R Tank system dung construct on. No mach very should dove On lop of the tank until a mri mum of 18 of
<br />J
<br />B. Geognd.For-nstallat'ons subje.to traffcloads and/or when required by Project plansinstall geogrd(ACF BX12 or equvalent) to minforce backfill above the R-Tank system.
<br />Geogrid is not always required for R-Tanke10 nstahat ons and is often not rarl for non -traffic lead appl cations.
<br />backfill and O-pactOnsash eved. Dump Trucks and Pans shall not be operated within theRTank system footprint at any hme Where necessary the heavy equipment should
<br />unload', an area adjacent to the R Tank system and the mafer al should be moved Over the system wIM hacked equipment.
<br />Z
<br />W
<br />C, Ensure that all unrelated construct On traffics kept away from the I m W of axc2vat'On until the Project R complete and final su dace materials are in piece. No -installation on
<br />U.
<br />2.03 BIOW, I & CO., Meter als
<br />A, Bedding Materials St ... (angulorand smaller than IS' in diameter) or..it(GW.GP. SW. or SP as classsof by the Unified Soil Classification System) shall be used below lie
<br />related ,,dim should be all over the R Tank system cant the final deign secl on has been wnstucted (Including pavement),
<br />D. Place omWeing materials such as grou rout-(n. large trees) or paving materials Ova rthestructure with care to avoid displacement of cover fill and damage Wsurrounding
<br />Q
<br />R Tank system(3 inn emr). Manual must be free fromlumps, debris and any sharp objects that ceuld cut the geotextle- Material shall be within 3 percent etch. optimum
<br />areas
<br />o stare content as determined by ASTM D698 fhe [ applications bedding males al shall be free dram rig.
<br />of'n,taliap on Fmium m),
<br />E. Ba 'f hen shown in the tabl in Section 2.01 B. If the total backfll depth does not coin with this table contact er 'n er or
<br />depth over re Tank system mast be wilhln the l m a s e p p Y 9 e
<br />8. Free droning ll used be to (24' ,i a ,bay, (far the first l2"j Me must be fine from lumps tlebrs
<br />Top be used adja
<br />nef
<br />manufacturers representat vie for ass stance
<br />deter, red by ASTM D690 at the time of installation.
<br />f the pa deli i-s! y ASTIM
<br />le- Material shall w run 3 percent the moisture
<br />and any sharp objects that could cut the shall percent
<br />.no and object the
<br />ne
<br />is eras
<br />a. backfll mateeals shall be free planning rig stony (angular and smaller then l.5 n diameter) or soil (GIN, GP, SW ,r SP as classified by the United
<br />1- For LD HD and SD ft-le in n .11., than
<br />PART
<br />sme pent.
<br />Sod Class!cat,1 System)
<br />aIrWraUSING R,q,i, ,,t
<br />ntenance Regdremenis
<br />I' ill I fred. rf some a ularand rfhfn in
<br />2. For UD modules', traffic traded (HS-20) app icatiohs with less than 14 Of fop cover, side back! materials s g (rig
<br />re f the -T nk system. Maint na mshruld be focused on reteatments stems Ensunn
<br />A, A R a P
<br />A. q p sys em ice prep y g
<br />ensure,properube
<br />> 1 ckfll
<br />,da, 14"
<br />it o the not permitted unless iha mod lea are'nslalied outs tle of haffc areas or uvith cover tle Ms of 4 To ba
<br />halal. ton
<br />d ameter) The use of so I backf Ion the sides ti e UD module s p tmft u P P
<br />'I red ce the r sk of contain nation of the R-Tanks stem and strrmwater released from the site. Pre-heaMent s stems shall
<br />om e d d.ni, th r,k o
<br />these structures are clean and functions eel will Y
<br />these immune I. bloom g prop y u y
<br />material may be stone Or soil as noted above Section 2.03 B tj.
<br />be'nspectetl yearly, or as directed by the regulatory agency and by the manufacturer (tor proprietary systems) Maintain as needed using acceptable practices Or following
<br />EDQ
<br />C. Ali... C,ver Materials: Structural Fill shall consist of g.... let -tents meeting the gradational requirements of SM, SP, S% GM, GP W GW as classified by the Unified Soil
<br />anufacturers guidelines (for proprietary systems).
<br />Q$/22/18
<br />Gas"'Tin,System. Structural fill shall have a maximum of 25 percent passing the No 200sieve.. shall have a maximum day content of l 0 percent and a maxmum Posticry
<br />Index of 4. Material shall be within 3 percent of the optimum moisture content as determined by ASTM D698 at the time of installation.
<br />B- Inspection and Maintenance Pores in Me R-Tank system will need to be Inspected far accumulation of sedments at least quarterly through the first year of operators and be
<br />least yeasty thereafter. This ins done by removing the cap of the Pon and using a measuring dev ce long enough to reach the bottom of the R-Tank system and stiff enough to push
<br />through the loose..dreams, allowing a depth ms 1.
<br />s, -o.
<br />204 Other Materials
<br />C, If,etl mart has accumulated to the level noted I, the R T k Maintenance Guide or beyond a level ace pliable to the Owners engineer, the R Tank system should be flushed.
<br />Utility Marker Install-fiftc tape at corners Of R-Tarok system to mark the area for future utlity detection,
<br />A flushing event cons,W of pumpng water into the Mamfananc,Pon andlor adjacent strucure, allowing me turbulent flows through theRTank system to r bep,ml the tine
<br />sediments, If multiple Mtenance Ports have been installed, water should be pumped into each port to maxmmlze fushmng efficiency. SoOime t-I,den ,,Is, Can be filtered
<br />ain
<br />6 of 6
<br />Through a Diribag or approved equivalent d Permitted by the locality.
<br />R-TANK CONS TR UCTION EQ UIPMENT COVER DETAIL 5 R- TANK SPECIHCATION
<br />NOT TO SCALE C4 2 NOT TO SCALE
<br />.
<br />B C ER DATE off
<br />11
<br />I EROSION Pi/8LZC WORKS
<br />Know what's below. I DEPARTMENT
<br />Cal before you dig. I WATER A PUBLIC WORKS PERMIT IS
<br />UTILITY CONFLICT NOTE.
<br />REQUIRED PRIOR 70 STARTING
<br />CAUTION" SEWER ANY CONSTRUCTION APPROVAL
<br />O THIS
<br />PROJECT. APPaovAL FOR Teals
<br />PROJECT IS CONDITIONAL PER
<br />AND
<br />THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION, TRAM CURRENT ciTY STANCSAR UN
<br />PES
<br />LESS
<br />DIMENSION, AND DEPTH OF ALL EXISTING UTILITIES WHETHER SHOWN ON THESE - - - PERMIT FOR CONSTRUCTION HAS
<br />PLANS OR NOT, BY POTHOLING THE UTILITIES AND SURVEYING THE HORIZONTAL �ITy E GxNEER BEEN ISSUED.
<br />AND VERTICAL LOCATION PRIOR TO CONSTRUCTION. THIS SHALL INCLUDE
<br />CALLING UTILITY LOCATE © 1-800-424-5555 POTHOLING ALL OF THE EXISTING
<br />UTILITIES AT LOCATIONS OF NEW UTILITY CROSSINGS TO PHYSICALLY VERIFY
<br />WHETHER OR NOT CONFLICTS EXIST. LOCATIONS OF SAID UTILITIES AS SHOWN
<br />ON THESE PLANS ARE BASED UPON THE UNVERIFIED PUBLIC INFORMATION AND
<br />ARE SUBJECT TO VARIATION. IF CONFLICTS SHOULD OCCUR, THE CONTRACTOR
<br />SHALL CONSULT WITH INSIGHT ENGINEERING COMPANY TO RESOLVE ALL
<br />PROBLEMS PRIOR TO PROCEEDING WITH CONSTRUCTION.
<br />3 R-TANK SYSTEM DETAIL
<br />C4.2 NOT TO SCALE
<br />
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