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HomeMy WebLinkAboutDevelopment PermitDEVELOPMENT PERMIT PERMIT NO. 28 STANDARD AUTOMATIC FIRE ENTERPRISES (SP) FOR AREAS THE SPECIAL FLOOD HAZARD AREA RE: CHAPTER 13 OF THE COLLEGE STATION CITY CODE SITE LEGAL DESCRIPTION: DATE OF ISSUE: OWNER: March 24, 2000 RIANS, STEVEN R & JEFFERY DSOSEBEE COLLEGE STATION, TX 77845 TYPE OF DEVELOPMENT: SPECIAL CONDITIONS: SITE ADDRESS: 9affeRMONVITI, DRAINAGE BASIN: VALID FOR MONTHS CONTRACTOR: The Contractor shall take all necessary precautions to prevent silt and debris from leaving the immediate construction site in accordance with the approved erosion control plan as well as the City of College Station Drainage Policy and Design Criteria. The Owner and/or Contractor shall assure that all disturbed areas are sodden and establishment of vegetation occurs prior to removal of any silt fencing or hay bales used for temporary erosion control. The Owner and/or Contractor shall also insure that any disturbed vegetation be returned to its original condition, placement and state. The Owner and/or Contractor shall be responsible for any damage to adjacent properties, city streets or infrastructure due to heavy machinery and/or equipment as well as erosion, siltation or sedimentation resulting from the permitted work. Any trees required to be protected by ordinance or as part of the landscape plan must be completely fenced before any operations of this permit can begin. In accordance with Chapter 13 of the Code of Ordinances of the City of College Station, measures shall be taken to insure that debris from construction, erosion, and sedimentation shall not be deposited in city streets, or existing drainage facilities. I hereby grant this permit for development of an area the special flood hazard area. All development shall be in accordance with the plans and specifications submitted to and approved by the City Engineer in the development permit application for the above named project and all of the codes and ordinances of the City of College Station that apply. Administrator/Representative Owner/Agent Date Date Contractor Date Dr-- a!nage Reports tion ~n~' menage system identified Surrounding developments shown ~/I,ocal greets, drainage systems shown Project Name: Review Date: T~ GZ 2 Reviewer: Des tion ` All P%. 4p,w l S ~creage of project Ait Land. cover described / rO '1L/OIIdarY systems 0'within 1^ General description Property shown DDra' e Basins ~~teferences to FIRMS if applicable E]~~'~n , system flow Patterns and o p~ p posed pathways to P~ of development on existing system Primary system shown or described Den_ ,Q~teria ~ Any deviation from s~~~ being Discussion of site co requested? ' Discussion of any applicable and capacities (streets existing stru ctur previous drainage studies and how etc.) u olo 'c Criteria this plan wlll affect it ~~run°ff calculation method d ed ,Detention discharge / storage calculation bmethod calcul calculations 6 Storm provided recurrence intervals used calculations -9- Discussion of other drainage facility design criteria used if n X H daulic Criteria of referenced in Standard ~ Identify capacity of systems used Specify velocities at critical points in 47~ system 42 Identify detention / retention Outlet and Discussion of other drains routing/G"s ge facility design criteria Dr ins a Facility Desi used not referenced in Standards Discuss Are they draining Patterns / flows (pre vs. post ) more water onto another property than what flowed there before? and no owner? - if so, is it where the D's erosion control m aster than it flowed water flowed before? and is it not Discuss detention measures employed before? D' n design sidiow channels, outlet works, freeboard, maintenance access and responsibilities Conc1us= d, emergency spillway) 00 Verify compliance with DPDS 1 Explain effectiven (signer and sealed certification) a) Detaining ess of improvements with regard to controlling dischar b) Accommodatin ges of 5 - 100 year storm by c) Combination of a ~ b ff in existing / proposed easements or RO o:ldeve 3erT0rn's~ 1!Std0C W discharging into prim 3/23/99 m7' system 9 of12 Project Name: J i nJOA `d~' -l Review Date: Reviewer: Drainage Reports(cont.) Ae-nd-ic-es Ret-erences (all criteria and technical information used) C" Hydrologic computations ❑ Land use assumptions for adjacent property 0 Minor/major storm runoff at specific points 0 Historictfully developed runoff specific points / 0 Hydrographs at critical points Hydraulic computations 0 Culvert capacities (headwater and tailwater assumptions) ❑ Storm sewer capacities ❑ Street capacities ❑ Storm inlet capacities (inlet control rating) 0 Open channel design 0 Detention area / volume capacity / outlet capacity A cbed Drawin Location map with drainage patterns f8- Floodplain map if any VDrainage plan with topo (existing and proposed with arrows if needed) x 0 Details of outlet structures n /arJr a 2l,, A/ OIL- o:\deve_serlf--\-W\d IRtdoc 3/25/99 10 of 12 e Project Name: ~3L, 6",6 Review Date: OZ--AO- 2 J Reviewer: Drainage Reports L&S&tjon i~jrlmary drainage system identified urrounding developments shown Local streets, drainage systems shown De tion Acreage of project R' lan4,,cover described ~iiiary/secondary systems within property shown V General description Dra' a e Basins }teferences to FIRMS if applicable /ondary system flow patterns and impact of development on existing system ©1~ Proposed pathways to Primary system shown or described Design Criteria 9- Any deviation from standards being requested? ~9- Discussion of site constraints and capacities (streets, existing structures, etc.) B- Discussion of any applicable previous drainage studies and how this plan will affect it H to 'c Criteria )Rainfall/runoff calculation method described and calculations provided /,Detention discharge / storage calculation method / calculations Storm recurrence intervals used -8- Discussion of other drainage facility design criteria used if not referenced in Standards H daulic Criteria / Identify capacity of systems used Specify velocities at critical points in system U~lc~ S GirJU~ Identify detention / retention outlet and routing ❑ Discussion of other drainage facility design criteria used not referenced in Standards Drainage Facility Desi ca lp l - 0C., IA-15 V Discuss drainage patterns / flows (pre vs. post) x.-_-; GY Are they draining water onto another property owner? - if so, is it where the water flowed before? and is it not more than what flowed there before? and no faster than it flowed before? QV Discuss erosion control measures employed C/ Discuss detention pond design (sideslope, low flow channels, outlet works, freeboard, emergency spillway) & Discuss maintenance access and responsibilities k Conclusions ❑ Verify compliance with DPDS (signed and sealed certification) y1 ❑ Explain effectiveness of improvements with regard to controlling discharges of 5 - 100 year storm by il a) Detaining b) Accommodating runoff in existing / proposed easements or ROW discharging into primary system c) Combination of a & b o:\deve_sff%o ns\engrkhklsLdoc 3/23/99 9 of 12 Project Name: Review Date: 0 2.--10 -Z-z, -0 Reviewer: Drainage Reports(cont.) ~WXeircensces e(all criteria and technical information used) EK Hydrologic computations ❑ Land use assumptions for adjacent property 0 Minor/major storm runoff at specific points ❑ Historic/fully developed runoff specific points / ❑ Hydrographs at critical points C~ Hydraulic computations 0 Culvert capacities (headwater and tailwater assumptions) ❑ Storm sewer capacities ❑ Street capacities 0 Storm inlet capacities (inlet control rating) ❑ Open channel design 0 Detention area / volume capacity / outlet capacity A ched Drawi es Location map with drainage patterns 8 Floodplain map if any f~Drainage plan with topo (existing and proposed with arrows if needed) )C ❑ Details of outlet structures 0Adeve_wr\fomu\en8rU*adoc 3/25/99 10 of 12