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Bellacere Addn-CS080917HAMILTON DUFFY, PC Civil cPc Environmental Engineers • Planners • Construction Managers September 17, 2008 Ms. DiWanna Baskins -Graduate Engineer City of Coppell 255 Parkway Blvd. PO Box 9478 Coppell, Texas 76020- Phone: (972) 304-3679 RE: Proposed Bellacere Addition Final Drainage & Utility Plan Review W Sandy Lake Road Coppell, Texas Dear DiWanna: We have received your comments and review plan set and have made changes to the plans based on these comments and our meeting with City Engineers. We are herein submitting to your office for review two (2) sets of DRAINAGE AND UTILTY PLANS for the project referenced above. Please review this set of plans so that we may proceed with construction. We look forward to working with the city to ensure that the development meets all applicable subdivision requirements. We appreciate city staff reviewing the project and look forward to receiving comments. If you have any questions, please feel free to call me at your convenience. Respectfully submitted, HAMILTON DUFFY, P.C. • Micha P. Duffy, P.E. Cc: Tom Whatley -Heritage Development Enc. Response to engineering review comments 8241 Mid Cities Blvd -Suite 100 • North Richland Hills, Texas 76180-4759 Phone: (817) 268-0408 Fax: (817) 284-8408 Ms. DiWanna Baskins Page 2 of 2 Engineering Review Response September 17, 2008 RE: Proposed Bellacere Addition Final Drainage & Utility Plan Review W Sandy Lake Road Coppell, Texas Our response letter will address comments pertaining to the Civil Engineering Drawings. Plat 1. The corrected plat has been inserted into the set. General Notes -Sheet C2.0 2. Note No. 6 has been modified to be applicable to the City of Coppell. Paving Plan -Sheet C3.0 3. The conflicting notes and details have been revised. A letter requesting a variance to the standard paving section is being submitted with these plans. 4. The City of Coppell Ordinance has been referenced regarding signage for the fire lane. Storm Drain Plan and Profile -Sheet C2.2 5. The water crossing has been shown near the junction box. 6. The hydraulic grade line and computations have been shown. Utility Plan and Profile -Sheet C4.1 7. The water crossing has been shown near the junction box. Other corrections or revisions that were not noted in the comments from the city: Drainage Area Mag -Sheet C1.0 1. Additional drainage areas were shown to compute the HGL on the storm drain profile sheet. Storm Drain Plan and Profile -Sheet C2.2 2. The existing water main crossing is now correctly shown with minimum 42-inches of cover and should not interfere with the storm drain. Pavinc Plan -Sheet C3.0 3. Several notes were added or modified to resolve any conflicts and the adequately describe the paving section and the fire lane pavers. According to the geotechnical recommendation, we will propose 4,000 psi concrete strength. 8241 Mid Cities Blvd -Suite 100 • North Richland Mills, Texas 76180-4759 Phone: (817) 268-0408 Fax: (817) 284-8408 Page 1 of 1 DiWanna Baskins - RE: Bellacere Addition -Paving Section alternate From: "fluffy" <michaduffy(c~charter.net> To: "'DiVVanna Baskins"' <dbaskins@ci.coppell.tx.us> Date: 9/17/200812:23 PM Subject: RE: Bellacere Addition -Paving Section alternate Attachments: 124-001 Paving Section Variance Request Letter to Coppell 09-17-2008.pdf; SAM Engr Paving Recommendation 08-20-2008.pdf;124-001 C3.0 PAVING PLAN 24X3 6 09-16-2008.pdf DiWanna please review the attached letter, paving recommendation and civil plan sheet. we are herein requesting a variance to the standard paving section. thank you. yours truly, micha p. fluffy, pe HAMILTON DUFFY, PC 8241 mid cities blvd -suite 100 north richland hills, texas 76180-4759 817.268.0408 -phone 817.284.8408 -fax entail - michaduffy@charter.net file://C:1Documents and SettingslradloolLocal Settings)TemplXPgrpwise148DOF6BFCity_o... 9/1/2009 (9/1/2009) DiWanna Baskins - RE: Bellacere Addition From: DiWanna Baskins To: fluffy Date: 9/ 17/200810:55 AM Subject: RE. Bellacere Addition Option 2. Include our review letter with your comments addressing the letter. You can just write it out on our review letter; that way it all coincides and I can easily look at the explanation and the modified markings on plan. »> "fluffy" <michaduffyClcharter.net> 9/17/200810:47 AM »> diwanna, i am trying to figure out which is the best way for you to view these files. 1, i could send all of the pages that were revised with no markings via pdf. i.e. "clean" 2, i could send all of the pages that were revised with RED CLOUDS where revisions were made via pdf 3, i could print hard copies and come to your office. i will also send your review letter and the letter from the geotechnical engineer spelling out the best alternative for the proposed paving section. please advise. yours truly, micha p. fluffy, pe HAMILTON DUFFY, PC 8241 mid cities blvd -suite 100 north richland hills, texas 76180-4759 817.268.0408 -phone 817.284.8408 -fax entail - michaduffyCalcharter.net Page 1 (9/1/2009) DiWanna Baskins -SAM Engr Paving Recommendation 08-20-2008.pdf AM ENGINEERING ~ TESTING L.~. Serving The Geo-Industry Since 1974 1115 Luke Street, Suite 190 Irving, Texas 75061 Phone: X972} 790-~ 910 ~ FAX: X972} 190-0961 August 20, 2Q08 pity of Cappell 255 Parkway Boulevard Attention: Ms. DiWanna Baskin, Graduate Engineer Engineering Department Subject: ADDENDUM-Letter an Proposed Pavement Sectzon Prapvsed Four Residences & Pavement At Lots 1-4 & 1~, Black A 1.96 Acre Site, Bellacere Addition 300 West Sandy Lake Road Coppellr Dallas County, Texas SE&T Soil No: 169G~4~8 Dated 5-14-2008 SE&T Current Project No: 334EX4~$ Madam: GevteChnical Malerials ~E~[T Failure Testing Investigation environmental SAM Engineering & Testing, L.P. ~5E&T} is pleased to submit this addendum letter on the proposed pavement section at the subject site. 1. Background SE&T performed the seven soil test barir~gs soil report far the subject project 4SE&T #169G~4~8 dated 5-14-2008} containing our recommendations on selection, designs & construction of the proposed four residences ~ pavement. 2. Paving plan #C30 by Hamilton-Duffy and e-mail by Mr. Tommy Cansler showed Lhe proposed pavement section comprising of the fallowing rninimurii thicknesses from the surface down. . 8 c~~. X3.15"} thick pavestane pavers. . 0 . "15 t' - ~" thick sand base , . 5" thick 3600 psi concrete with #3 rebars @ 18t' a/c, . ~" thick subgrade compacted to 95~ of ASTM D698A. Page 1 (9/1/2009) DiWanna Baskins -SAM Engr Paving Recommendation 08-20-2008.pdf City Gf Cappell SE&T Project No . 334EX4I~5 August 2D, 2Q08 Page 2 of 2 Geo#echnical Materials ~E~T i=aiiure Testing Investigation Environmental 3. Based on the above supplied section, our above subsurface data & vur experience with similar projects, SE&T recommends that the above proposed pavement is cuii5idcred 5ATISFACTGRY ~vith the fuilc~wirig modifications/adjustments: . The concrete to be a 4,DQ0 psi/28 days ~6 sack minimum. . The upper 12" of the sugrade under the pavement should be compacted & tested to a minimum of 95 0 of ASTM D-698A. . SE&T should perform all CMT testing & inspections. 4. All other listed recommendations in our above soil report should be followed. It has been a pleasure serving you an this project and we trust that this report is satis~actary. Should you desire any additional services pursuant to this report, either in additional consultations or construction testing, please do not hesitate to contact us. Very truly yours, SANi Engineering & Testing, ~, . P . ~% ~ ~ 1i . 4~~`~~,;4t,. ~ ~, ' ~.',~ ~~i ~, i~„~~~ Sadik [Sams Al-musawe, M.5c., Ph,D., P.E., F.ASCE, Civil & Environmental Engineer Texas Professional Registration No: 61893 ~-1Q Home Buyers Warranty ~HBW) No. 5827 Home of TexasJ~esidential Warranty Corporation Bonded Builders Hame Warranty No. TXGQ25 ~RWC} No. 633 :~4 ~~ ~~'„t. `: y t, 1 Page 2 cc. Mr. Tom F. Whatley, PresidentyHeritage De~relopment Mr. Micha ~. Duffy, ~,E.-Hamilton-Duffy ~Ir. Tommy Cansler-Timberland Creek Companies (9/1/2009) DiWanna Baskins -124-001 Paving Section Variance Request Letter to Coppell 09-17-2008.pdf Page 1 HAMILTON DUFFY, P.C. Cnril & Environmen~l Engineers • Planners • Cons~uction Managers September 17, 2008 Ms. DiWanna Baskins -Graduate Engineer City of Coppell 255 Parkway Blvd. PO Box 9478 Coppell, Texas 76020- Phone: (972) 304-3679 RE: Proposed Bellacere Addition Paving Section Variance Request W Sandy Lake Road Coppell, Texas Dear DiWanna: We are herein requesting to alter the standard paving section as noted in the attached Paving Plan, Sheet C3.0. We are submitting, for your review, a letter by SAM Engineering recommending the same paving section. Please review this recommendation and the plan sheet to determine if the City will accept the alternate paving section. We look forward to working with the city to ensure that the development meets all applicable subdivision requirements. We appreciate city staff reviewing the project and look forward to receiving your approval. If you have any questions, please feel free to call me at your convenience. Respectfully submitted, HAMILTON DUFFY, P.C. 1v M ha P. Duffy, P.E. Cc: Tom Whatley -Heritage Development Enc. SAM Engineering Proposed Paving Section Recommendation 8241 Mid Cities Blvd. -Suite 100 • Nord Richland Hills, Texas 76180-4759 Phone: (817) 268-0408 Fax: (817) 284-8408