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Home My WebLink About14-055 Map 2STORMWATER DETENTION CALCS TOTAL AREA (A) = 0.51 ACRES (+/-) AREA (PAVEMENT) = 0.38 ACRES (+/-) AREA (LANDSCAPED/TURFED) = 0,13 ACRES C undeveloped = 0.61 C developed = 0.85 (weighted "C" for combined paved and landscaped areas) Q undeveloped = CiA = (0.61)(7 5 in/hr)(0.51) = 2,33 cfs Q developed = CIA = (0.85)(7.5 in/hr)(0.51) = 3.25 cfs Q difference = 0.92 cfs V required detention = Q difference A tc 60 = (0.92)(00.51)(11)(60) = 309.67 cubic feet required '.33.00 V provided detention = 2007.98 cubic feet — s3ase — _ _ -a 1 ^�1 1 A ° 1 1 ° i z NOTE: CONTACT HLLOF ANY WORK IN THE PIUBLIC RIGHT-OF-WAY WAY �R ORFORINSPECTITO PLACEMENT OF CONCRETE OR ASPHALT. PROVIDE CLEAN/NEAT CUT INTO - EXISTING ASPHALT ALONG EDGE OF DRIVE TO CONSTRUCT NEW 6" THICK CONCRETE ENTRANCE APRON GUTTER West 40th street 1336.50 GUTTER / NE Corner SE%SEYSec.14 / _____ ____ _________________________ --"=__� ------ --------- —_________ a Wer Meter _ - ° N 86'S7 4.60 _ . _ _ . _ _ oflt Pote q ,5.40 a4 .36" I REMOVE EXISTING 30" CIA / SYCAMORE - REMOVE ENTIRE ROOT SYSTEM AND BACKFILL W/SELECT FILL I SSM}1 Lid ";34X a / .-,24.51 n ER / / ° < a / / 1 1 1 / / I / I 3 Lia I ( le 1 / O /1 1 1333.00 TOP CURT,. 3 133200 GUTTER 1333.00 TOP CURE `I / 1332.50 GUTTER STORMWATER DETENTION AREA I 1 1333.50 TOP CURB 1 1333.00 GUTTER 1 10" Red Oak. 1332.00 TOP CURB 1331.375 GUTTER 1 Foace ?AM er pole iP CURB_ / W 15T38 1 1 1 1 NS Rebar 1331.25 PROVIDE 2' WIDE CURB CUT STORM DETENTION RELEASE W/6" THICK x 4' WIDE x 8' LONG RIPRAP ON FILTER FABRIC RELOCATE EXISTING GUY WIRES CONTRACTOR TO COORDINATE WITH ELECTRICAL COMPANY N SCALE: 1 "=20'-0" NOTE: 20 10 0 20 40FT 1. SEE NOTES ON SHEET C1.02 FOR SPECIFIC NOTES REGARDING EXCAVATION AND DEMOLITION. SCALE 1"= 20' 2. CONTRACTOR SHALL VISIT SITE AND CONDUCT THOROUGH SITE INVESTIGATION WITH DRAWINGS PRIOR TO BIDDING THE SITE PACKAGE. 3. CARE SHALL BE TAKE TO PRESERVE ALL SET SURVEY MARKERS/BENCHMARKS ON SITE DURING DEMOLITION ACTIVITIES. GENERAL CONSTRUCTION NOTES A. The contractor will be held solely responsible for damage E. Contractor is to remove and dispose of all debris, rubbish occurring to any property during the construction of this project. Said contractor shall take all necessary pre- and other materials resulting from previous and current demolition operations. Disposal will be in accordance cautions to prevent property damage. with all local, state and/or federal regulations governing B. In accordance with generally accepted construction be and completely such operations. the is practices; the contractor will solely responsible for conditions of the job site, including safety F. Prior to installation of any utilities, contractor to excavate, verify, and calculate all crossings and of all persons and property during performance o the work. This requirement will apply continuously and not inform the any and all Utilities of any conflicts prior to construction. be limited to normal working hours. The duty of Central Arkansas Water to conduct constructionG. Construction shall not start any water utility tie-ins until approval given by Centrall Arkansas Water Utility. Said inspection or review of the contractor's performance y is not an Inspection or review of the adequac of the in, near the construction contractor shall not operate any valve, hydrant, or water utility appurtenance nor shall he attach to or tap any contractor's safety measures on, or water utility main without approval. The contractor shall site. bear the cost and consequence of any disruption of C. All water and sewer improvements shall be constructed utility operation caused by construction. in accordance with the latest revision to the Central Arkansas Water and City of Little Rock (Sanitary Sewer) H. Fiber optic cables on and/or adjacent to this site p (Lot 4) were not located by the survey and are Standard Specifications (respectively). not shown. It is the responsibility of the contractor D. The contractor is specifically cautioned that the location elevation of existing utilities as shown on these to locate any fiber optic cables associated with this site and take all necessary and required precautions and/or plans is based on records of the various utility companies and, where possible, measurements taken in the field. to protect any existing fiber optic cables. Contractors shall coordinate all efforts with owner of fiber The information is not to be relied on as being exact optic cables or their designated represenative. or complete. The contractor must call the appropriate utility company at least 48 hours before any excavation J. The Contractor is responsible for contacting "OneCall" to request exact field location of utilities. It shall be the of the contractor to relocate all existing service prior to mark all utilities prior to any demolition, the responsibility utilities which conflict with the proposed improvements earthwork, or utility work on site. shown on the plans. UTILITIES SANITARY SEWER: LITTLE ROCK WASTEWATER 501-688-1452 (ENGINEERING) 501-223-1509 (EMERGENCY) WATER: CENTRAL ARKANSAS WATER 221 EAST CAPITOL LITTLE ROCK, ARKANSAS 501-372-5161 ELECTRIC: ENTERGY ARKANSAS, INC. 425 WEST CAPITOL AVENUE LITTLE ROCK, ARKANSAS 501-377-4000 NATURAL GAS: CENTERPOINT ENERGY 400 WEST CAPITOL #600 LITTLE ROCK, ARKANSAS 888-498-0409 SCALE: 1 "=20'-0" I. ALL LANDSCAPING SHALL COMPLY WITH CITY OF LITTLE ROCK LANDSCAPING ORDINANCE AND 20 10 0 20 40FT ZONING REGULATIONS. SCALE: 1"= 20' ?. ALL LANDSCAPED AREAS OF THE SITE SHALL BE CONSTRUCTED WITH AN AUTOMATIC SPRINKLER IRRIGATION SYSTEM AS PART OF THE LANDSCAPING SUBCONTRACT. 3. ALL TREES SITE PERIMETER TREES SHALL PROVIDE AN (8) EIGHT FOOT HEIGHT CLIMB CLEARANCE EXCEPT MULTI -TRUNK SPECIES, WHICH SHALL BE INSTALLED AND MAINTAINED 46 NOT TO CREATE OBSTRUCTIONS TO VEHICULAR OR PEDESTRIAN TRAFFIC. 4. GENERAL CONTRACTOR SHALL PROVIDE SCHEDULE 40 PVC SLEEVING 4" OR 6" UNDER ALL 3RIVES AND PAVED AREAS FOR IRRIGATION PIPING. SLEEVING SHALL BE BURIED A MINIMUM DF 18" BELOW GRADE AND THE ENDS OF THE SLEEVES CLEARLY MARKED BY THE GENERAL CONTRACTOR AND SHALL EXTEND OUT A MINIMUM OF 18" PAST ANY CURB OR PAVING. 5. PROVIDE MULCH AND EDGING IN ISLANDS AND AROUND BASE OF ALL LANDSCAPED AREAS 4ROUND NEW PARKING LOT PERIMETER. LANDSCAPING LEGEND ALTERNATING RED MAPLE (2" MIN CALIPER) AND CRAPE MYRTLE (2" MIN CALIPER) - 9 TOTAL WILLOW OAK (2" MIN CALIPER) - 5 TOTAL ALTERNATING DWARF YAUPN HOLLY (3 GALLON) AND COMPACT BURNING BUSH (5 GALLON) - 50 TOTAL OF A °HILLIP LEWIS U ENGINEERING, INC. z •: No. 566 -rrr,tttllllttl�� Rebar w W a 2 UJ F— co Q D z LLI Z O O LLI 01-1 U) Z (n Q T �ZQ� W O Wa LLL.I W O3: 3: 0- �- W z W r _J W REVISIONS: DATE: MAY 201 SHEET: C1,2