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HomeMy WebLinkAboutCDOT - Stormwate Discharge permit STAT�, OF CC�L.OI�,ADQ Bili Owens,Govcrnor Dennis E.Eilis,Executive Director ��,��y Dadicated to protecting and improving the health and environment ot the peopie of Colorado �-e,��`qb ��' ;,,�: � , o 4300 Cherry Creek Dr.S. Laboratory Services Division �� " �*..�;s �� � Denver,Colorado 80246-1530 8100 Lowry Blvd. �„��87�.�* Phone(303)692-2000 Denver,Colorado 80230-6928 - TUU�ine(303)691-7700 (303)692-3090 Colorac{o Department Located in Glendaie,Colorado of I'i�blic Health ht?pJ/www.cdphe.state.co.us and Fnvironment arisizoo� Doue Thompson,Pr�ject Gxec. I-Iyder Consuuction,Inc. 543 Santa Fe Drive Denver,CO$0204 303/825-1313 KE: Fiu�l Permit,Colorldo Discharge Yermit System—Stornnvater Ccrtification No: CUR-039929,Eagle County Vail's Front Door Local Contact: Doug Thompson,Project Executive,303/825-1313 Anticipated Activity: 04/2�/20Q6 through 0$/3U2008 On 12 acres(9.G9 acres disturbed) t)ear Sir or Madarn: Encloscd please fiuci a ccrpy of�l�e perniit certificatio��ttaat»�as issue<i to you uncier the C..olorado 1��aier Quality Contral Act. Your certification under the percnit requires that specilic actions be performed at designated iimes. You are Jcgaliy oblieated tc�compty with a11 temis and conditions of your certification. Note that the stormwater permit for construction activities now covers construction sites disturbing do�m to one acre(the pre�rious threshold was 5 acres). F.:ffecti��e Jufy l,2Q02,any construction activity that disturbs at least 1 aere of lanci(or is part of a larger common plan of'development or sale that will disturb at least 1 acre)must apply for pemut coverage. Plcase r�ad the permit and certificatiou. lf you have any questions please visit our website at l�ttp:/;��ww.cdphc.state.co.us!�vqlpernutsunit/wqcdpmt.html,or conwct Matt Czahor at(303)692-3�75. Sincerely, ;,'( �' _ � _ ,�. � ,�,_ { � t _,., l�atls.rvo Dolan Stornnvater Program Coordinator Pern�its Unit WATGR Qt1ALIT1'CONTROL DIVISIUN Euilostitre xc: Rc�ional Coi�ncil of Cior•ernmcnts Eaelc County Ilealth i�epartment �District t:ngineer,Teclmical Seivices,V4'QCD Permii File Fce Fil� . HYDER CONSTRUC'TION INC. MEMORANDUM To: Town of V ai 1 Attn: Tom Kass�nel Leonard Sandoval CC: Field>File From: Scott Miller, Project Manager Date: April 27, 2006 Subject: Vail's Front Door: Site Wnrk and Buiiding A —Garage and Loading Dock (HCI Joh No. 26006) Spring 2006 Utility Work—SVVNIP and Construction Dewatering Amendmen# The deep utility work and road gradir�g in Vail Road, Willow Road and Gorc Creek Drive ���as ariginally intended to uccur after the mass excavation. The scope �f this work is clet'ined as Phase 2 of' our SWMP plan. Due t� delays in ot>t�aining the building p�cmit for the �reater prc�ject we felt is was advantageous to take advantage af the spring shoulder season ta install the deep utilities within the Public Righc of'Way. Scope nf Work Reference the �ittached sketcll for the limits of the scope of work. The scupe of woc•k consists o�: 1. Sanitary sewer service to the Chalets in Vail road from the stomi sewer manhole in the intersection of Vail Road and VVillow Ro��d. Sanitary sewe�• se�•vice to the garage and loading dock through the I_odge at Vail parking lot. 2. Storm sewer service to the Chalets �n the West side of tl�e projzct in Vail r•oad frorn the storm sewer manhole in the inte�;section of Vail Road and Willo�v Road. Storm sewer service ta the garage and )oading dock through the Lodge ar VaiI parking lot. 3. New waterline from int�rsection of'Vail and Wiilow roads to the Chalets on the we�r side of project. 4. Upgrade of existing water rnain from 6" to 12" from the intersection of Vail and Willow for approximately l IOLF. S. Installation of g�u line from intersection of VJillow and Vail Roads to Chalets. 6. Re-grading of Vail roacl ta prc�posed final grade. �. Inst�►llation of new curb and gutier and asphalt paving. I3lVIP's l. Installation of silt lence on dou�n hill side of all disturbed areas. 2. Protection of all exisring storm sewer inlet5 prior to eonstruction. 3. Protection oi'all new storm s�wer i��lets as chey are installed. Canstruction Dewatering Prior ta construction of this phase af work we had intended to pump �ny gro�mdwater we encountered in the utility excavation into pum� trucks and to haul off sitc for clis}�asal. However, due tn the large quantity of groundc��ater that we encountered the plan has been modified. 543 Santa Fc i)rive•Den��er.Colurado 802fk1•(303)825-1313•FAX(:303)825-3223•Email inluc=?Pivdrrinc,cu�n•Website:�:._�,,µ.hvticrin�-.rum SWM:P—Amendment#1 Apri127, 2406 Page 2 oi'? We anticipate that most of the grUUnciwater will be encauntered in ihe interseccion of Vail and Willou� Roads which is our deepest point o1'excavation for all of the utility work. A Wei1• trink will be located in the Lodge at Vail parhing lot (see att�ched sketch}. The water ��ill be pumped from the excae�atian into the weir tank. Frc�m the weir tank it will be pumped thrc�ugh a bag filtration system. After leaving the bag filtration System the watet• will be discharged directly into the �torrn sewer via the inlets in the Lodge at Vail parking lot. Please attach this dacument as A�z�endment#1 t� the projeet SWMP dated March 31, 2006. Attachmenls: A��iendment#1, SK-1 r•1 „ ", � k �,�} y'" � .r� ^ � � 1 ��p PA���L�J --.. �i '� ����� 5 �,dY�'^'�"",r�W"+�F�1 1 :ia4:.._��;..�i�'`�.;�,: 53��` • .. �( { � ,;: -'� �/S • � �' �l t � '��,�"� ,t+. :.j . ,���f ��� •.,� - 4 a• �t. � ! �......� �..- .�„« -•�;,�� ,e � � � � { _.�— � , �{, � -� �.'p a3' � 4�� .. � , � N�`a`,y � � / 'w«.�»„ �� ' �. ��� �,..� 4 ; � W. � � , .fp �.:lar'S i�_.._. ........ r� K �••�. : . -��.,�_} ,/ / ��� _� " �1 � 2 �"y�1'�`L'S�p`, -�,��� 1�' �1{ Y ¢ � � � .�.+ l i < V /t��' � ��� � �/ I 1� � .{� '1 �j` d•>yi'��� S �yJ ���y (f�.� � p ,1 � 'i T 3 I�.i ; �� � . �:J'A9 b*�; � tl� Vq trwn*P 4R . � � 3 v'y '� �� -..� ^�_J ! JrS � cf t i 4 U �` r.-^_ � ,�.. �b,,, � "� ' '`i {p � },..�. � s �. «�w t�,. 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