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Connell Skaggs (7-11)-CS 891128 CITY OF COPPELL PUBLIC WORKS ENGINEERING DIVISION DRC DATE: ~' R~ , Iq~9 , , Mo, ,'I s,'/ . BY: Shore Danes~an~e ~ 462-8495 FINAL PLAT AND PLANS: A. Please make the following additions and/or corrections on final plat as marked: i) - Name of the proposed subdivision must be consistent on the plat and all pages of the construction plans, etc. 2) - Location . width . . . and the name of all existing or recor~e~ streets intersecting the boundary of the tract. 3) - Delineate the existing and proposed zoning of the site and the surrounding properties. 4) - The accurate outline of all property which is offered for dedication for public use with the purpose indicated there on. Fire lanes must be shown on final plats. 5) - Certification by a registered Public Surveyor to the effect that the plat represents a survey made by him. 6) - Delineate utility signature block on the final plat. 7) - Per Floodplain Management Ordinance #87390 (Art. 5, Sec. C, Item 4, Page 34), all subdivision proposals must have the following note placed on the preliminary and final plats: "Floodplain Development Permit Application No. has been filed with the City of Coppell Floodplain Administrator, on , 19 ." (Floodplain Administrator) (Date) 8) - No Comment. Page 1/3 B. The following information, as marked, is required to be contained in the final construction plans of the above project: 1) ~ Provide final construction plans, simultaneously with final plat submittal. Final plans must have a cover sheet, detailed design plans, and standard detail sheets. 2) _~F A cover sheet, for final construction plans shall include the following: * Name of the project * Owner's name and address * Engineer's name and address * Architect's name and address * Vicinity map * Index list, cove~ing all pages included in the set * "Plan Approval Paragraph", see attached Detailed final construction plans shall contain the following: * All required street paving plans and profile sheets. * All required storm drainage plans and profile sheets. * All required alley paving plans and profile sheets. -~.~* A complete and acuurate drainage area map and detail grading plan. ---~* All required letters of permision from adjacent property owners. ~* Ail required water and sewer engineering plans. 4) - Provide barricading plans. 5) - Provide trench safety, sealed by a registered engineer in the State of Texas. 6) - Delineate proposed and existing water distribution system and pipe sizes. 7) -- Delineate proposed and existing sewage collection system and pipe sizes Provide a Drainage Area Map covering two parts: a) show On-site Drainage Map, on a scale of 1" = 20', 40'. 50' etc. . . ' with all details as required in the Subdivision Ordinance; b) show the Off-site Drainage Map, on a scale 1" = 100', 200', etc. . Delineate the project's boundary on it, plus the ~ess detailed drainage system, to clearly demonstrate the affect of such activities, drainage outfalls, on the adjacent properties and the Drainage Master Plan. WW 9) - all storm sewer systems must be designed for 100-year design frequency. Technical Paper 40 should be used to compute rainfall intensities, as per the Subdivision Ordinance, (Appendix "A", Page 30). 10) - Show the hydraulic calculations for each portion of the storm system on the profile, such as pipe size, Q100 (cfs), Qc (cfs), S, v (FPS) etc. . . 11) - All lots within or adjacent to the 100-year Floodplain shall have the lowest floor elevation for each building site shown on the site grading plans. 12) - A permanent bench mark must be established with in a subdivision development, see attached Floodplain Development checklist. 1.3) ~ Each sheet of the plans shall contain a title block and consistent page numbers. 14) All appropriate fees as subdivision ordinance must per be paid. 15) - Delineate a Revision block on each sheet. Revision dates must be shown on each sheet with Engineer's initials next to them. 16) ~ All above comments must be addressed, prior to Staff's recommendation for approval of the final plat and plans. 17) ~ Provide a written response on all comments with explanations provided on items not addressed as requested above. DRC/COMMENTS/ENG/FINAL SD/bb Page 3/3 PLAN APPROVAL PARAGRAP~I ]--o;~ C~y Engine~'L The above identified plans and specifications have been :reviewed and ~ound to be in comp~anc~ w.&~ff ,~he app~ble E~ginc~ng ~rov~io~ of ~:ke Code of the C~y of Copp~, Te~. Issuance of t~ approv~ sh~ no~ be co~tued ~ approv~ of ;~he concep:~ for the co~.u~o~, de~e~ of the proposed ~proveme~-~ and shOE no~ in any way ~.~e~e tke ~nwt/Dev~gopw~ and ~he D~ign Engine~ f~tom ~b~y for ~i~e adequacy o~ ~h~ d~ign nor f~om ca~e~ by or :~~n~ ~tom ~he co~tu~on of ~'nprovemen~ ~ provided in the above spe~fied doe~e~-~. Tke ~suance of t~ app~tov~[ do~ no~ a~'thoaize co~Jcue~on, which c.o~tuesC6o,. sh~ no~ proceed u~ the own~ hc~ e~fe~ed compt~ance w~1:b, c~ oth~ app.~cable p/tov~io~ o~ thee Municipal Cod~ of .the C.~y of Cop~, Texc~ and comp.b~ance of ~ o~ke~c s~c~e s~~, and reg~c~ory rcrqc~cgme~ app~ble ~o ~'~e imp2toveme~ s~e~fied in :the idew~fied documew~, in~.ucL6ng compZ~'~on any and ~. 2teq~teme~ of ~kte C.~y of Copp~g, Te~c~ /teq~n~ any of the Plan~.ng and Zo~Lng Comm~sio~', and C~Cy Court~i~ payment o~.. c~ ~ '"~.e~, pos.'t56ng o~ c~ bo,d~ and .'t:hen secu~i,g an "Appa. ovcg& ;(:o P2~.oceo. d" ~a. om tke. En~inee2t. Any change~ m~Z be approved by the app,'toto2~c~e a. es~c~ory agene~e~ c~ w~ c~s the C.bty Ertginew~. AfZe;t. t[te. Dev~opwt's D~ig~ E~gingwt app2~ove~ the clta~ge, Zlte C~Cy's ~sigrted Enflinew~irt9 l~pe~or sh~ be eo,~t~Cec/ who w~ ~Chwt approve and./o2t secwte approv~ f/tom tire C~'Cy Enginewt, c~ which ~e a suppl~g~ p~an app2toved w~ be affixed .~o the approved pla~, a,d w~g be in~.udecL in the "As-B~" pla~ to be subm~'~ed 30 days aftwt substar~ compl~on of ~g pub.~c ~prov~me~. CITY ENGINEER DATE FLOODPLAIN DEVELOPMENT CHECKLIST The following Items represent a brief outline of items required by the Cit'! of Coppell in order todevelop in a floodplain. References are taken from Ordinance 87390. Reference Item Art. 4C-2 Ail models must refer to the 2 yr, 100 yr existing, 100 yr ultimate, and low flow. Art. 4C-2(a) Lowest floor must be higher than BFE 4- 2' and 100 yr (ULT.) + 1'. Art. 4C-2(b) Existing and fully developed 100-year floodplain must be delineated. Art. 4C-2(c) Determine flood storage loss data. Art. 4C-2(e) Flood levels caused by the development plus any anticipated future developments must be less than the 100 yr {ULT) and the 1980 FIS BFE + 1'. Art. 4C-2(f) Any changes in the floodplain must be submitted to FEMA according to their procedures. Art. 4C-2(g) Must show evidence of all necessary permits: Local, State and Federal. Art. 5B-1,2 Elevation of lowest floor of .*,hallow flooding areas must be greater than highest adjacent grade + 2' or the structure must be flood protected. Art. 5B-1-2 All work must be certified by a P.E. or R.P.S. Art. 5C-4 The following special note must be included on the plat "Floodplain Development Permlt Application No. has been flied with the City of Coppelt Floodplain Administrator on , 19 , Floodplain Ad m inist r ator Date. Art. 5C-5 Bot, ndry's of floodplain and floodway must be shown on plats. Art. 5C-6 Lowest floor elevations for each lot must be shown on site grading plan. Art. 5C-7 A permanent bench mark. must be established within a subclivision development, Art. 5C-B "A following special note must be included on the plat. "The developer,, builder, seller or agent shall inform in writing, each i prospective buye'r of subdivisi6ri lots'or property loca'i!ed'"wlthin special flood hazard areas of this site that such property is ih an identifie~ flood hazard area and that all development must conform to the provisions of 'the 'City of Coppell Floodplain Management'Ordinance. · .The written notice shall be filed for record in the County deed records and a copy of the notice must' accompany the application for development permit." The above items are only a brief checklist 'of items need to comply with Ordinance No. 87390, a detailed review of this Ordinance is necessary In order to fully understand its contents. Any submittal in connection with a floodplain development must include the above items. This submittal must as a minimum also include the following: Text describing where the basic data was obtained, what ts intended, and the results, all in sufficient detail so that it is fully understandable and supportable. o Exhibits must be presented that clarify data. These must include: Water surface profiles, cross sections, work maps, floodplain and floodway. delineations for both existing and improved conditions. Comparisons must be shown between existing and proposed conditions for velocities, water surface elevations, storage, and any other impacts. Computer models must be presented in detail, Not Just input and/or summary printouts. July 57, 1989 MEMORANDUM TO: Russell R. Doyle, P.E., City Engineer FROM: Larry Davis, Construction Inspector RE: PER/~ITTING PROCESS CITY OF COPPELL'- ENGINEERING DEPARTMENT 1) Approved En§ineering Plans Required - Stamped & Signed by the City Engineer 2) Approved Site Plan for Excavation 3) Pre-Construction Conference With The Engineering Construction Inspector Required Prior to Start of Construction 4) Excavation Permit Required 5) Utility Construction Permit Required 6) Paving Construction Permit Required 7) Additional Permitting May Be Required - Other City Departments, State, County and Federal 8) Early Rough Grading Must Be Approved Separately LD/lsg PERMTNG -- "" X'C' .4p'[,(, ,. .. o ,.., CITY OF COPPELL PUBLIC WORKS WATER UTILITIES DIVISION FINAL PLAN REQUIREMENTS By: Howard Pafford, Water Utilities Superintendent Phone 462-8495 Water/Sanitary Sewer Plans: Please make the following additions and/or corrections as marked: 1) - Show existing water/sanitary sewer lines as located in the area where they exist. 2) - Show proposed wa~er/sanitary sewer lines. (minimum sizes are 8") ~? 3) Sh~.-- ~n~d ~lacement of valves, manholes, ~i~ hyarants, ~lean out, water services, and /se~ s~rvices~ . n~? 4) Show sanitary ewer line profiles as related to existing and finished grade. 5) - Show all necessary easements as 20 ft. unless the proposed easement is located between two lots, then 15 ft. is allowed. If any off site easements are necessary, all documents concerning that easement shall be finalized prior to Council approval of the final plat. ~0v~' 6) If the development is anything other than residential, the building area shall be noted  ' on the plans. 7) Per Subdivision Ordinance Section XVI, Item "B", Page 20, the following listed fees must be paid nine (9) working days prior to CC meeting: water and sewer availability. . . water tap fee. . . and sewer tap fee. Page 1/2 8) - General Notes: A. All Construction material will conform to the City of Coppell Standard Construction Detail and Subdivision Ordinance. B. All construction will conform to the City of Coppell Standard Construction Detail and the North Central Council of Government Standard Specifications for Public Works Construction. 9) - Additional Notes: A.All residential service lines shall be 1" type "k" copper. /S' All materials shall be furnished by the Contractor. 10) ee attached requirements on water services. 11) :{~e attached requirements for "Meter plication Standards". 12) ~ ,All above comments must be addressed, prior to staff's recommendation for approval of the final plat and plans. 13) ~Provide a written response on all comments, with explanations provided on items not addressed as requested above. 14 ) - No comment. Page 2/2 CI~f OF COPPELL Water Service Fittings For 3/4 through 2" meter settings Water Meter Boxes Service Size Meter Box Size 3/4" & 1" - 18" x 14" galvinized with Cast Iron Ring & Lid (with lock) 1~" & 2" - 28 x 18" galvinized with Cast Iron Ring & Lid (with lock) Tapping Saddles A].i service taps shall be installed with Double Strap, All Bronze "CC" Threaded tapping saddle Corporation Stops All corporation stops shall be bronze "CC" thread by cop.Der flar. e Cop.Der Service Line All service lines shall be type "K" soft copper with flare connections only Curb Stop (prior to meter setter) All curb stops to be all bronze ball valve- copper flare by ma].e of femal iron pipe thread (1½: & 2" curb stops can be angle stops) Meter Setters Service Size Meter Setter Size 3/4" Ford Mode]. ~-IH 72-!0W or equal 1" Ford Mode]. ~RH 74-15W or equal 1~" Ford Mode]. VVF 66-12B x length or equal 2" Ford Model VVF 77-!2B x length or equal All setters shall be all copper and bronze with silver solder welds and all valves to be equiped with lock wings Meters All meters shall be purchased from the City of Coppell and shall meet City of Coppe].l SpecificatiOns Pipe Fittings All pipe fittings within the meter or double check setting shall be bronze and copper material Double Checks 70.1 double check backsiphonage devices shall meet the approval of the Under- writers Laboratories. The device shall have test cocks for -testing and shall be installed at a maximum of 6" below the centerline of the meter and no higher than the grade of the center line of the meter. CITY OF COPP~T.T. PUBLIC WORKS WATER UTILITIES DIVISION METER APPLICATION STANDARDS SEPTEMBER 1989 The purpose of this standard is to set specific applications for meter settings of various sizes so that adequate water supply is maintained. Which will provide protection for the Coppell water distribution system. Below meter types are named for each type of application which are listed under the various categories of development. TYPE OF DEVELOPMENT METER TYPE Residential 5/8" x 3/4" thru 2" Coppell Specification #0100 Irrigation Multi-Jet 5/8" x 3/4" ONLY and 1" Coppell Specification #0100 and Turbine Meters Coppell Specification #0200 Commercial/Retail/Industrial/ Multi-Family 5/8" x 3/4" thru 2" (Domestic or Domestic/ Coppell Specification %0100 Irrigation) Unless service requires over 160 gpm, then Compound Meters Coppell Specification #0300 Commercial/Retail/Industrial/ 4" thru 10" Double Check Multi-Family Detector Checks Fire System ONLY Coppell Specification #0500 This meter setting is to be used only under the following conditions: 1. Closed System- Interior fire system completely closed with built in alarm. 2. Open System- Exterior on-site fire hydrants equiped with 4 1/2" Hydra Storz stainless steel batterfly valve installed on the pumper nozzle of each fire hydrant. * This meter setting shall be approved by the Water Superintendnet. PAGE 2 Meter Application Standards Commercial/Retail/Industrial/ 4" thru 10" Full Flow/ Multi-Family Master Meter - Approved Domestic/Irrigation/Fire System Fireline Meter Coppell Specification #0400 * Where loop systems are required: (Compound Meters- Coppell Specification #0300) may be allowed at one end of the loop Sizes of meters are determined by the design engineer for commercial, retail and industrial development. All meters 3" and over in size shall be placed in a concrete vault as specified under City of Coppell Standard Construction Details. Ail water services 1" and over in size shall be installed with a UL approved double check back siphonage device on the discharge side of the meter setter. All 5/8" thru 2" meters shall be installed in a meter setter as specified in the City of Coppell Standard Construction Details. All meters shall be installed according to manufacturer's recommendations, unless deemed otherwise by the City of Coppell Water Utilities Division. The attached details show the type of settings required for each application of meter type and size. METER. APP