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RC Townhomes-CS040914 (2)PEEBLES & ASSOCIATES CIVIL ENGINEERS/LAND SURVEYORS 1321 Brown Troi.1 · Suite c · Bedford~ ToPs 76022 · 817-662-0118 · Fax817-662-0123 Septemberl4, 2004 Mr. Keith R. Marvin, P.E. City of Copper 255 Parkway Coppell, Texas 75019 RE: Riverchase Townhomes Addition Construction Plans Review Conmaents from Letters Dated August4 & September 2, 2004 In response to the above reference project we have the following comments: August 2, 2004 letter COVER SHEET- We have corrected the spelling of Mr. Stover's name PLAT -We have provided comer clip at the intersection of MacArther Blvd. There are two drainage easements shown now between lots 4 and 5 and lot 9and 10 The hack lines have a 10' drainage and utlity easement notes The sanitary sewer is now cover by an easement (5 foot) The right-of-way is noted as 50 foot( street width should not be on the plat) GRADING PLAN-A detail of the retaining wall has been added The encroachment has been removed from lot 9 We have added additional spot grades We have corrected the throat of the Y inlet We have received a letter stating it is ok to drain and do grading on TXU GRADING PLAN 2-All headwalln are now on our property We are now ran~ing a a mostly 1.0 % grade with our flattest being a 0.85% grade along north side. We have moved the inlet to the end of the cul-de-sac( East side) We are 3.0 foot offour property line with the top of wall which will allow the toe of the wall to be 1.0 feet of property DRAINAGE AREA MAP- The swale will collect the runoff from the ball fields without grading on the ball~elds A table has been added Inlet is now at end of cul-de-sac Ditch is now without retaining wall HGL and other calculations have been added to storm drainage BETHEL SCHOOL COURT PAVING PLAN& PROFILE- Sidewalks are shown barrier free to MacArthur Blvd. All Curb returns are now 30 FEET The street is noted as 28 foot Back to back A letter bom TXU will be provided by the deveoper and grades are shown on the plans In order to match the existing intersection and discourage speeding thruogh the future light our radius are less than Subdivision Ordinances but we feel are a safer solution We have corrected r~ferences to Forest Hill STORM SEWER PLAN & PROFILE- We have shown proposed grades along retaining The headwall Sections have been corrected Y inlet is now correct The scale in the border is corrected STORM SEWER PLAN2- Aletter will beprovided to the City WATER LAYOUT-Fire Hyrants now have 6 inch lead lines with valves 10' seperation is maintained between water andsewer services Water services have been relocated out of drives 45 bends have been used tostart our offsite 1 meter is set for HOA along MacArther OFFSITE WATER LAYOUT- We have city of Irving's permission, acopy of this letter will be supplied by the developer We have relocated to apoim outside the TP&L easement We have suveyed and shown the surface improvements along this line SEWER LINE PROFILE SHEET-Sewer is now in a 5' easement Scale has been corrected Sanitary Sewer services were poss~le have been relocated outside drives (not always possible) EROSION CONTROL MAP- We now show a Stage 2 erosion plan Developer has the NOI and otherTCEQ requi~rnents LETTER DATED SEPTEMBER 2, 2004 PAVING PLAN& PROFILE-a Stamped patterned concrete note has been added at MacArther We have added 4" PVC sleeve for traffic signals STORM SEWER PROFILES - We have changes some oftbe pipe classes to classlV WATER LAYOUT-AIl fire hydrants are in the right-of-way 10 foot seperation between sanitary sewer and water has been maitained Some Ssewer cleanout will fall within a driveway but in order to maintain the sepemtion this was the best solution OFFSITE WATER LAYOUT- We have moved water line outside easement Except for ~tss it appears that no park dept. Facilities will be disturbed Easement across lot 2X has been added he Irving 54" water line has been added in plan and profileand a letter bom Irving will be provided by the developer. SEWR LINE PLAN& PROFILE- We show the existing 24" water line over the existing stub out EROION CONTROL PLAN- we have added a stage 2 Plan TRAFFIC CONTOL SIGNAGE- along with the Stage 1 erosion control plan we have added a traffic plan The corrected plans are provided for your review and approval along with the Sept 2, 2004 mark up. Please feel l~ee to call me if you have any question~ Don Peebles, P.E.