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CORRESPONDENCE The City of Boynton Beach DEVELOPMENT DEPARTMENT PLANNING AND ZONING DIVISON 100 E. Boynton Beach Boulevard PO. Box 310 Boynton Beach, Florida 33425-0310 TEL. 561 742-6260 FAX. 561 742-6259 www.boynton-beach.org July 25, 2003 Mr Ronald Last, P.E Lawson, Noble & Webb 420 Columbia Dnve West Palm Beach, Flonda 33409 Re Quantum Park Lot 3 (Drainage Plan Modification) MMSP 03-056 Dear Mr Last: In response to your request dated July 17, 2003 for the admmIstratIve reVIew and approval of the modIficatIon proposed to the above-referenced approved SIte plan, depIctmg the followmg . DeletIOn of retentIOn area and replacement WIth exfiltratIOn trench. Please be mformed that the proposed changes on the reVIsed plan date stamped 07/17/03 are "mmor" as defined wIthm the Land Development RegulatIOns, Chapter 4- SIte Plan ReVIew ThIS project may contmue to be processed by the BUIldmg DIVISIOn as a permIt applIcatIOn, subject to the followmg condItIOns 1 Should the scope of the modIficatIon demand alteratIOn or relocatIon of plant matenal, then such plant matenal must be relocated to an area subject to approval ofthe CIty Forester; 2. Amendmg of dramage plans (General Note 2) to reflect CIty Standard Drawmgs, K-senes, 3 Amendmg of dramage plans (General Note 7) to reflect City Standard Drawmgs, D-senes; 4 Amendmg of dramage plans to reflect m the notes the mearnng and purpose of symbol number 6, 5 Amendmg of dramage plans for those proposed elevatIOns WIth the word "ELEV" m the oval rather than an elevatiOn number, to mdIcate the elevatiOn bemg proposed, 6 Amendmg of dramage plans to correct low grade pomt at lone landscape Island on the north SIde of the parkmg lot where no dramage structure IS proposed, 7 Ensure all comments reflected above are addressed on any and all affected sheets, 8 Engmeenng Department approval of the reVIsed pretreatment calculatIons and reqUITed amendments to the drawmgs based upon all ofthe above comments. Be adVIsed that the proposed change may reqUIre a modIficatIon to the bUIldmg permIt. Please contact me at (561) 742-6260 If you have addItIOnal questIons. . Page 2 July 25, 2003 Smcerely, Ed Breese, Pnnclpal Planner Cc Karen Mam, Plan ReVIew Analyst H. DavId Kelley, CIty Engmeer DEPARTMENT OF PUBLIC WORKS ENGINEERING DIVISION MEMORANDUM NO 03-153 TO Ed Breese, PnncIpal Planner Plannmg & Zomng DIVISIOn wj" ;- ../ H. DaVId Kelley, Jr , PE/PSM City Engmeer FROM DATE July 24, 2003 RE Paving, Grading & Drainage Plan Review Quantum Park - Lot #3 MMSP 03-056 The above referenced SIte Plan, forwarded to thIS office on July 21 st, was revIewed by representatIves from PublIc Works, Engmeenng and UtilItIes Departments, agamst the reqUIrements outlIned m the CIty'S Code of Ordmances and the Land Development RegulatIOns. The followmg are our comments wIth regards to the plan. 1 The parkmg spaces must conform to our new DesIgn Handbook, Standard Drawmg #K-l 2 General Note #2 should read CIty Standard Drawmgs, K-senes. 3 General Note #7 should read CIty Standard Drawmgs, D-senes. 4 Symbols used to tIe notes mto the plan are not clear; I.e., symbol number 6 appears on the plan, but not m the notes. 5 Certam proposed elevatIOns are left wIth the work "ELEV" m ItS oval rather than an elevatIOn number; must prOVIde elevatIOns m these areas. 6 A low grade pomt was found next to an Island on the center-north SIde of the parkmg lot where no dramage structure was located. ApplIcant must address thIS Issue. 7 All comments reqUInng changes and/or correctIons to the plans shall be reflected on all appropnate sheets. Please mcorporate these comments mto your response to the applIcant. If you have any questIons, please adVIse thIS office. HDKljb xc Launnda Logan, PE, Semor Engmeer Ryon Plancer, EI, Roadway Engmeer FIle S'\Engineering\Office Associates FilelKelley\Quantum Park Lot #3.doc PROJECT NAME: Quantum Park Lot 3 LOCATION PCN I FILE NO MMSP 03-056 II TYPE OF APPLICATION- I AGENT/CONTACT PERSON OWNER. Ronald Last, P.E. Lawson, Noble & Webb, PHONE Inc. FAX. PHONE 684-6686 ADDRESS FAX. 684-1812 ADDRESS 420 Columbia Drive West Palm Beach, FL 33409 Date of submittal/Projected meetin2 dates. SUBMITTAL / RESUBMITTAL 7/17/03 1ST REVIEW COMMENTS DUE N/A PUBLIC NOTICE N/A . TRC MEETING N/A PROJECTED RESUBMITTAL DATE N/A ACTUAL RESUBMITTAL DATE N/A 2ND REVIEW COMMENTS DUE N/A LAND DEVELOPMENT SIGNS POSTED N/A (SITE PLANS) PLANNING & DEVELOPMENT BOARD N/A MEETING COMMUNITY REDEVELOPMENT N/A AGENCY BOARD CITY COMMISSION MEETING N/A COMMENTS Retention Pond S:\Planning\SHARED\WP\PROJECTS\Quantum Lot 3\MMSP 03-056\2003 PROJECT TRACKING INFO.doc "f"~'\'fY ?~_ f ~ . / \ \ ~ \ ., 1 ' C\ Il: o ~ .f (J J-. '.' " ^-' -~ ~ -_,/'O N 0 DEPARTMENT OF DEVELOPMENT Memorandum PZ TO H David Kelley, Jr FROM Sherie Coale DATE 7/18/03 RE Quantum Park Lot 3 - Paving, Grading & Drainage Please review the attached plans and provide applicable comments to Ed Breese, Principal Planner, by Tuesday, July 22, 2003 If you have any questions please call Ed or me at x6260 Thank you for your anticipated cooperation , p. :::Jot ~ 'tZ- Dr-~ .... z ~ <( ~ 0::: ~ <( <( ~ (L <( 0:: r<) ~3~ ::tI: f- <( I.L ::) 0 ~ I- --I ~ Z ~ <( .. ~ ::) > 0 <( 0- -l ~ -l -l -l -l -l a:: U a:: a:: a:: a:: a:: ~ ...., >- a.. a.. a.. a.. CJ) rt) 0 0 0 0 ...., 0 CD m " u u u U 'It' en en - - W en 0 0 " en en en 0 " r- .- " " " " 0 <( 1.0 N - - :I: N - N N rt) - U 0 " " " " " Z 1.0 00 en 'It' 'It' W - a:: ~ .....J - l.&.. X W C (f) c:i c:i a <{ Z ~ ~ ci <{ 0 0 ~ w ~ ~ 0 w w 0 a:: en ai l.&.. l.&.. ~ ai <{ ~ ai u) u) ai > -l -, -.--- Mlltc;P D3- o 8 20 40 80 120 SCALE 1" = 40' LEGEND EXISTING STORM SEWER LINE WITH CA TCH BASIN STORM SEWER LINE WITH MAN-tOLE STORM SEWER LINE WITH CATCH BASIN AN> N.AeER SANlT ARY SEWER LINE WITH MANiOlE WATER MAIN PROPOSED ELEVATION EXISTING ELEVATION DIRECTION OF SlR=' ACE FLOW I OT NllURl='Q o . STRUCTlH: NO. GRA TE/RIM ELEV INVERT ELEV ----{)--- -----M- ~ J' ~ ".--.....,. 1 16.00 10.00 J J I 7 2003 1 0 37 AM L a '~o n, No) I e & Web t, I n c No H 7 P Memo To Sherrie Coale From' Deana Devenport Date. July 17, 2003 Re. QUANTUM PARK, LC:IT 3 L.N & W Project No .l\399 ~,~ . :-{;'j II IF ':?~ ~~ m t::-$' ~ ~!J-: ~ if' Attention Sheme Coale. The Minor Revision packHge that was submitted on July 14 2C03 Sl10WS ttat the Detention Area on the ~Iorth '5ide of the Project was deleted and replac,~d with exfiltration trench If yo tI have any further que:;bons. pl'3iS se call 15HI )684- 6686 ext. 247 Thank You Deana Devenport -'-:-~ I I : '(' : .. I ! ,,1._ I 7 .-' I J I i ) P~eMEM0717-o3,;OC PRETREATMENT CALCULATIONS FOR QUANTUM PARK LOT #3 4 075 ACRES 9 \data\a399\calcs\sfwmd\a399DRYDET.XLS 7/15/2003 A. LAND IJSE DATA TABLE. IMPERVIOUS PERVIOUS TOTAL LAND IJSE AREA AREA AREA CATEGORY (Ac) (Ac) (Ac) COMMERCIAL BUILDINGS \.08 0.00 \.08 ROADS/P ARKING 1.89 0.00 \.89 SIDEWALKS 0.12 0.00 0.12 OPE?>: 'GREEN" AREAS 0.00 0.99 0.99 TOTAL ACREAGE. 3.09 0.99 4.08 PERCEI\T AGES. 75.83% 2417% 100.00% B. CONTROL WATER ELEVATION: 8.00 INGVD C. PRETREA TMEI\T CALCCLA TIONS. REQUIREMENT TOTAL AREA. DRY DETENTION VOLUME REQUIRED: \.00 4.08 14792 Il\. ACRES FT^3 D DRY DETENTION AREA GEOMETRY. SLOPE. HORIZONTAL., 3.00 I~ VERTICAL. 1.00 PERCENTAGE. 33.33% WIDTH. BOTTOM. I 4.40 I~~ TOP OF BANK. 1940 LENGTH. BOTTOM., 500.00 I~ TOP OF BAI\K. 530.00 ELEVATION' BOTTOM. I 900 INGYD TOP OF BANK 1] 50 NGVD VOLUME. DRY DETENTlO?>: VOLUME. I ]5156 IFT^3 OK V 4- if t:..G"f~ g. \data\a399\calcs\sfwmd\a399DRYD ET .XLS 7/15/2003 ~SQ)T T:€.sr6,J QUANTUM PARK LOT 3 LN&W JOB No. A399 TOT At (AC) 4.08 REQUIRED TRENCH LENGTH AVG GRADE = 130 TRENCHTOPEL=11 00 3.S0' WATER TABLE EL = 8 0 @ TOP EL = 10.00 PIPE INV EL = 8.S TRENCH BOT EL = 7.S <II ~ 400' L = V K((Hz x W)+ (2 x Hz x Du) (Du~) + (2 x Hz x Os)) + (1.39 x 10-4 )(W X Du) K= Du = Os = Hz - W- V- L- 5~42E~04.. cfsltf -ft. head ft. . ';""';'tcc, .S ft. , 5 " ft. 4 ft. 417 ac.-in. length oftrench.required I Hydraulic conductivity Non-saturated trench depth Saturated trench depth Depth to water table Trench width Volume to be exfiltrated ~ \)~~~T\~.J p... (Z. E-f.>.. ~ 0 \.. \) t-'\ E. L= 4 17 ac.-in. (0 000S42 cfs/ft^2-ft.head)((S'x4') + (2xS'x3') - (3')^2 + (2xS'x.S')) + (0.000139)(4'x3') L = 1S6 77 L = 157 ft. OF TRENCH REQUIRED TRENCH LENGTH PROVIDED = 200 VOLUME TREATED = S.32 ac-in GlOAT AI600-699\A625ICALCS\A399- EXFIL TRA TION 07 14.03.xls 7/1S/2003 ~P~Eo Dts (6,..) J J I :. 1 2003 2 56 P M Law son I No I I e & Web t, I n c No 1( 3 P FJlJ~ TRANSMITTAL l N'" d' I. , ':~ . . . . . . 41 . . lit '1 Clt f.tl~ 1111'11 1~.lIw.on, Noble & W.tl~tbl, In ::111 I!NGINEER8. PLANNERS · ~JIJR~tIJ!yfOJJt '~. 420 Columbia Drive, Hulte 110, West Palm Beach, FIOl'icli 33'~9 5610.684.-1)686 Fax: f,61 0.634.1812 WWlfi.1 nw-inc.CClm Oal:9 ,July 21. 2003 s"'.'- --' , }. , i _ '" ~: ....Jo..-- .f . ~~. 'I ", . -I~~ t,-" :~ lij~l , ~~ ." \'- .+- ,', '1/-' \ \ J- ~ --rt . Setting the SJarJdardu.LI~alfjllj~' th(~ ~~.Y :~ To~itv of Bovnton Beach Projject No. A39'L_____.__._ .___ _. Attn .Ed Breese ProJlect: !Juant~!! Pari< .1fiU- ____ .__ Feu;;: 742-6259 Frc.m. Deana Devenport Me:9s,age. The reason for the minor re\Jsion to the Constructions Plans fa Q JantuIT'i Part ~pt '.JL -1 ~ r the.clil~nt. The Client feels that the Si~a will look better \~/ith the revisej g!gil versiq.:h....JhEIf !111 ;~~ !!Q..al~rations to any of the required l=andscaoinQ. If yau have any 'iJi1t!!~:lstions.~e'': .ft. !!i! lli2!.l6134-6686. ____-.---.- f~ . I rs ~'-R-i~--rr-~, ____.__n- .---.- I 1', '.-, I" ,~ . . . -.--...._ , l' . j -" -- -, --LJ____.__._ ---. - , JUL 2 , 200' ' -----~---- .-----..-.. ---- ------.----- ._--~- Total rlumber of pages including this page ~ OriGlinal to follow in mail Ye.s Plo W'EST PALM BEACH . PORT ST. LUCIE. ORLANDO . IVI::RCt BEAC,lli