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<br />DROP STRUCTURE PLAN o
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<br />NTS DROP STRUCTURE PROFILE it W O F�-
<br />NTS Z U Z
<br />IfIIIN. v .I .i iMil, mvvu.l
<br />nHpp <ISED GRABE� �GHOU iFO BOULRENS
<br />�A -� + II IN 'J /E 1f1 KS PIT f�
<br />O
<br />� �GHOUr ImIrs (nPPROx.7
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<br />SEEPAGE CUTOFF DETAIL /1 -_�-
<br />NTS "�J GROUT NOTES 15 MI'
<br />SEEPAGE CUTOFF DETAIL it
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<br />! 1 N I RI ALA II P 1 A' I PAT N, NITS
<br />IA.. Iiilrl n, _MAYIMIIM '.I 111'1 AI I°L
<br />I P 'InH II , 1 .,111 A MAIN IAIANNI IIN 11
<br />Material Specifications Placement Specifications
<br />Z
<br />II Vl 111, r, 11" AVON MINI MF( 01 CURVED
<br />IrI 111 III IWIfN IIUIIIhI Ii,.
<br />All Type A rout shall be delivered O
<br />NL 1. All grout shall have a minimum 1. yP 9 ~
<br />MIN I+ ABnvE LOW Ilow CHANNEL 28 -day compressive strength equal by means of a low pressure (less LoLI iLD � ° NoN- RFRFORATED LA,ERAI PIPES o
<br />to 3200 psi. psi) g pump g Pouf DEH LcNSlrucnon vPA.ED o ac MA%IMUM QLOPE Ar Iz Of
<br />1n Ali Oi RLOW TIis than 10 s rout um using a TO DAYIIGINT AT MAIN CMANNF! wV/ERT
<br />• ELEVATION O PPF. AUGNMLNI MAY BE CURVED ch
<br />\ � H ,II WI II IIG,IIL!
<br />a1MI n ' I U 1 I N - J U eo�LS 2 -Inch diameter nozzle. � u G l l Y I T T E iw[EN oou D_R
<br />- N (NICK ESQ F(`PS IL
<br />! 1 r IM 1I'F IN[' ,, 2, One CUBIC yard Of grout Shall have - - c ANNFI.
<br />T MINIMVLPROIRU \ION a minimum of six (6) sacks of 2. All Type B grout shall be delivered \ \ -BUM N o
<br />,I : =1 `r N .' -I pressure : - covFa ABOVE low rlow w O
<br />Type II Portland cement. by means of a low ressure less
<br />TOP HALF OF BOUEDERS (�
<br />IN,
<br />COMPACTED NE-SITU SOILS
<br />than 10 psi) concrete pump using a FD TED LIGHTLY —
<br />RI z
<br />3. A maximum of 25% Type C Fly Ash 3 -inch diameter nozzle. I� V ��. RIM PIPE END TO
<br />1 1 1l \IV I. + A I' ARAN ELATE RIO 1 fF(I_ "I 1 �C ` I IN N��N
<br />ITT
<br />M NFTAi F M F, I, may be substituted for the Portland n 1-RI ( NOT N1112 MINIMIZE aROrnusION
<br />cement. 3. Full depth penetration of the grout /° A" 'AF I' T AI
<br />N.h.AIUN F .,.1 Y W
<br />M A T III I N
<br />into the boulder voids shall be `('L �
<br />For Type A rout, the aggregate achieved by injecting grout starting ° 'I RI Ir 1 MANTOI IT L C)
<br />4. grout, A 5/M1 ANGU AIi :CCK VIFIP DRAN
<br />with the nozzle near the bottom N' F . III
<br />shall be comprised of 70% natural IF f !I -NO ILK TS RILL MhMLM G
<br />I:I '.I K iI1AN ! AP .; R1 rnr1l RE -R T nN
<br />I I I sand (fines) and 30% 3�g -inch rock and raising It as grout fills, while Fs,,KNEBS suFROLNDING IPL }
<br />vibrating rout into lace using a rs EM AT All Pomu a]
<br />WEEP DRAIN SYSTEM DETAIL 2 (coarse). 9 9 P 9
<br />pencil vibrator. WEEP DRAIN SYSTEM DETAIL
<br />NTS 5, For Type B grout, the g gregate
<br />shall be comprised of � -inch 4. After grout placement, exposed NT$ w
<br />maximum gravel, structural boulder faces shall be cleaned with
<br />A
<br />concrete aggregate. a wet broom.
<br />iF 1 ND [:.IIr P A, ,GM I v A 'USS.
<br />El w�nl 1 aF iu�lzel nOUT 0 R nI:cH1 - - --
<br />"� 6. Type B grout shall be used in 5. All grout between boulders shall be PETAL
<br />AN ! IO U2 GR.UIIN M,NIMVLD
<br />AN \o, streams with significant perennial treated with a broom finish.
<br />r n r F !4 . )N 1 R K LAO I, n Al - A Z
<br />o
<br />flows.
<br />_y - I - . +,nn I' +� 1:w Ir Lr nv1 F 1 IN' o
<br />\; °I 6, All finished grout surfaces shall be /
<br />t
<br />for ' 1 r Ion LI I No ° � ., 06/280_
<br />Date: 1
<br />7, The grout slump shall be 4- inches sprayed with a clear liquid + ti-
<br />to 6- inches. g p ANI I11 I1 - / Job No: O1 202
<br />membrane curing compound as Dr ,,ra - -
<br />specified In ASTM C -309. DBL
<br />g. Air entrainment shall be 7.5% IF 1 %. Design
<br />7. Special procedures shall be required
<br />-AI AT To III1R1 I INl, "I AN NI 9. To control shrinkage and cracking, for grout placement when the air i _.
<br />�" 1.1 Ary MAN,IAI, IH,M L'i)(K 1.5 pounds of Fibermesh, or temperatures are less than 40'F or Scale: ked IF I NTS
<br />�1 A C fRF AT N A MANNIR -DINT A GROUTING, CIFAN AIL
<br />1 � YW -IIAI I I::INNI wf I4 )OF 11 r L�, AT VOLD 10 VOIDS
<br />IRIIM BAN IN. If, I2�1(.K equivalent, shall be used per cubic greater than 90'F. Contractor shall ,11 ,L�InLD ceGUi DIRT AND MATE.4IALi 1RGM RocK
<br />A., n:IrAn �`IG \�( IHItKNIYi IROI COULD ROCEECRaur
<br />I F, IT yard of grout. obtain prior approval from the ne DM BONDING I<, HocK
<br />design engineer of the procedures IT I PA ' 1 PAeE PER
<br />I '1T CI I ANONE,
<br />10.Color additive in required amounts to be used for protecting the
<br />GROUTED BOULDER PLACEMENT DETAIL shall be used when so specified by grout.
<br />NTS J
<br />contract.
<br />g. Clean Boulders by brushing and GROUTED BOULDER PLACEMENT DETAIL/"I
<br />washing before grouting. J
<br />NTS
<br />Sheet:
<br />DFA7 GROUTED SLOPING BOULDER DROP
<br />DFA6 GROUTED SLOPING BOULDER DROP WITH LOW FLOW CHANNEL
<br />lu rs
<br />or:
<br />
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