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HomeMy WebLinkAboutItems Submitted at Meetingrn 0 0 N O N - - - - - - - - 1 m - - E - - `m . - o~ - - - - . ~ m L - E C j U 0 C N Q Q ~ W N tn ~ ~ ~ J 'O ' ~ c -2 ~ ~ N ~ . N W C E j _ ~ ~ c a) o c ~ ~ o ' ~ L ~ J O ~ O (0 C C N a~ ~ O~ c aD o T ~ ~ ~ E ~ J S C c° (D (D ~ O Q E ~ ~ ~ ~ Q d N T Z ~ ~ Cl) O O ~ a Q E O a L p J:r- r O fn C ~ ~ °o °o, °o, °o = ~ It M C~O C7 ~ p e C O . C O ' (6 m N O OO CO (O M I~ O . - L ~ ~ O ~ N N N O -1 H3 69 ~ ~ N N~ } } ~ ~ r ~ ~ - ~ m mE z } ~ m cc ~ i u o ~ o o cn y ~ 0 0 0 0 0 O 0 O 0 O 0 O 0 O 0. O o O 0 O 0 O o O ao M Ln ~ o ~ 0 O 0 O 0 O O O O O O q O et O O O O O O O O O O O O O O O Q> O Q1 O ~ N ~ (O r ~ ? O Ln O O ~ N L19 O N O O O O O O O O M M I- LO O r ~ O , N t0 M C) O - O N O O O O ~ ~ T f~ CO ~ Eg M ~ ~ ~ Y w ~ ~ p a~ . ~ ~ ~ N ~ I- LO r Q z 4 T ~ ~ cm c J ~ JJ x o ~ E» fn 64 4.1% e3 E» 6% (fl E» ~ u> 4a 40 fn ~ Cl) ~ eR . ~ y O y O O O y Z ~ C ~ O ~ D N 6 H - O N U m ao K o C a> n e6 d. F- ~ S a K Q F- O ~ _ E v E o c y cA c W O s U) CE ~ ~ ~ J 'a d ~ U' ~ d a cn ° - tA ~ o u~ ~ ~ U) m~ rn ~ c d ~ c a 1= m Z + 0 '7 ~ y C L o~ a N 7 ~ ~.0 o E E C W - ~ ~ V ~ E C . f!) C - ~ ~ -p O ~ U ` p Q N 3 W y fl - O C ° ~ M ~6 ( 7 fl~ W ~ ~ ~ 2 ~ m f rn a~ ~ ~ o 4 U ~ ~ U p E I E ~ ~ U) ~ -p - p i ~6 ~ V p N . 0 ' ~ ~ a ~ d 0 ~ , N E ~ ~ ~ a C~ ~M o U a i w 5 o ~ ~ ~ ~ U E W W Q aa R 2 O c c ~ C , Z V ~ ~ N ~ N . .9 rA O V . C 0 . 'a p N N M ~ ~ Cfl 0 N ~ ~ ~ O V m ~ (N Q) N N N N N N ~ y W tn co U ~ c E U o a~ w cn N PCDC 02/28/10 Pages: 5 Submitted by C. Andersen In reference to Item V.A. Appendix F. Biological Opinion Checklist The community must show where its regulations, processes, and procedures meet the minimum criteria for the NFIP (44 CFR 59 - 60) and the Endangered Species Act (as clarified by the Biological Opinion, RPA elements 2 and 3 and Appendix 4). The checklist far the NFIP requirements is in Appendix B. This checklist is for the ESA/Biological Opinion criteria. The requirements are abbreviated here. The full requirements are in the Biological Opinion pages that are included in Appendix E of this document. The recommended regulatory language is in the noted sections of the Model Ordinance. If the community already has adopted the provision, the ordinance section or other regulatory reference should be entered in the third column. If the community's regulations do not fulfill the provision, the noted language in this Model Ordinance can be used. ESA Model Community Biological Opinion Provision , Re erence Ordinance Regulations ' Section Reference 1. Activities Affected All "development" in the areas affected must comply with these provisions. The BiOp added the last two phrases to the NFIP definition of "development:" any man-made change to improved or unimproved real App• 4, 2. 15.08.060 estate, including but not limited to buildings or other footnote 23 Definitions structures, mining, dredging, filling, grading, paving, excavation or drilling operations, storage of equipment or materials, subdivision of land, removal of substantial amounts of vezetation, or alteration of natural site characteristics. 2. Mapping Criteria a. In addition to the Special Flood Hazard Area (SFHA) and floodway on the community's Flood Insurance Rate Map, the following areas must be delineated. 1) Riparian habitat zone (RHZ), using dimensions RPA 3.A, from the May 14, 2009, errata letter. App. 4, Section 1, 3.4.C 15.68.060CC 5/14/09 Errata letter page 6 2) Channel migration zone (CMZ) plus 50 feet, to RPA 3.A, the degree that such information is available. App. 4, 3.4.13 15.68.060D Section 1 City of Auburn NFIP-ESA Checklist F- 1 February 8, 2010 DRAFT b. Requests for Letters of Map Revision (CLOMR, LOMR, CLOMR-F, and LOMR-F) can be approved only if the projects would not adversely RpA 2.A 3.5.A.1 15.68.180E affect habitat. c. Mapping must consider future conditions and the cumulative effects from future land-use change. RPA 2,C 3.5.E 15.68.180 d. Communities are encouraged to consider identifying and evaluating the risk of flooding behind 100-year levees based on future conditions RPA 2 D 15.68.180 and cumulative effects 3. Administrative Procedures a. The application for a permit to develop in the • affected area must 7nclude the elevations of the 10- App• 4, ' 4.2.A3 15 68 135 , 50-, and 100-year floods, where such data are Section 3.4 . . available, to encourage building away from the water. b. The applicant must record a Notice on Title that `~pp' 4 15.68.130 the property contains land within the RFIZ and/or ' 4.2 H 100-year floodplain befare a permit may be issued. Section 3.9 . a Communities that permit development in the Regulatory Floodplain must track the projects for which they issue floodplain development permits, App' 4' Section 4 4.5.F, 4.5.G 15.68.141 including effects to flood storage and fish habitat and mitigation provided. 4. General Development Standards a. If a lot has a buildable site out of the Special Flood App. 4, Sections Hazard Area, all new structures shall be located 3.1 and 5.2.A 15.68.170G there. If the lot is fully in the floodplain, structures 3.11 must be located to have the least impact on salmon. b. Stormwater and drainage features shall incorporate RPA low impact development techniques that mimic 3.A.3.13 5.2.13.1 15.68.160A(5) pre-development hydrologic conditions. and 4.A a Creation of new impervious surfaces shall not exceed 10 percent of the surface area of the portion App. 4, of the lot in the floodplain unless mitigation is Section 3.6 5.2.13.2 15.68.160A(5) provided. d. Any loss of floodplain starage shall be avoided, RPA rectified or compensated for. 3.A.3.b, App. 4, 7.6 15.68.200 Section 2 City of Auburn NFIP-ESA Checklist F- 2 February 8, 2010 DRAFT e. Uses that are not permitted in the Protected Area unless shown not to adversely affect water quality, habitat, etc., include septic tanks and drain fields, App. 4, 5.3 15.68.170E dumping of any materials, hazardous or sanitary Section 1 waste landfills; receiving areas for toxic or hazardous waste or other contaminants. 5. Habitat Protection Standards a. Any improvements or repairs to existing structures that result in a greater than 10 percent increase of RPA 3.A.4 7.2.13 15.68.130 the structure footprint must mitigate for any adverse effects. b. Removal of native vegetation must leave 65 ~'pp' 4' percent of the surface area of the portion of the Section 3.7 7.4 15.68.161D • property in the floodplain in an undeveloped state. c. The community must prohibit development in the floodway, RHZ, and CMZ or demonstrate that any proposed development in the area does not RPA 3.A.2, 7.7 15.68.135K, adversely affect water quality, water quantity, App. 4, L flood volumes, flood velocities, spawning Section 1, 4 7•8 substrate, and/or floodplain refugia for listed salmonids. d. Any development in the floodplain must mitigate for effects on stormwater, riparian vegetation, bank App. 4, 7•7 15.68.135K, stability, channel migration, hyporheic zone, Section 3 7.8 L wetland and large woody debris functions e. In the SFHA outside the Protected Area, require App' 4' Credited by zoning to maintain a low density of floodplain Section 3.2 the CRS, n/a development (431 LD.b) £ All structures must be set back at least 15 feet from App' 4' the Protected Area and sited as close to the SFHA Section 33 5.2.A 15.68.170 boundary as possible g. The proposed action must be designed and located App. Generally, so that new structural flood protection is not Secton 3.8 Note 1. 15.68,16.08, needed 16.10 h. New road crossings over streams are prohibited App. 4, Note 2. Not Section 3.10 Prohibited Note 1. There is no specific section for this requirement. It is the objective of the ordinance to have all new construction protected from flooding so that no additional flood protection measures are needed. City of Auburn NFIP-ESA Checklist F- 3 February 8, 2010 DRAFT Note 2. While new crossings over streams are not explicitly prohibited, Sections 7.7 and 7.8 ensure that such projects will not have an adverse impact on protected habitat. The extra cost to meet the ordinance's mitigation requirements will likely discourage some projects. City of Auburn NFIP-ESA Checklist F- 4 February 8, 2010 DRAFT PCDC 02/28/10 Pages: 13 Submitted by C. Andersen In reference to Item V.A. Appendix B. NFIP Ordinance Checklist [All NewJ Riverine Communities FEDERAL/CITY CRITERIA & MODEL ORDINANCE REFERENCE REGULATION REFERENCE 1 MODEL ORDINANCE 3.2.A BASIS FOR ESTABLISHING THE AREAS OF SPECIAL FLOOD HAZARD The areas of special flood hazard identified by the 44 CFR Federal Insurance Administration in a scientific and 603(c)(1)d)(2) engineering report entitled "The Flood Insurance Study for (_community name__) " dated (20__), and 15.68.060DD any revisions thereto*, with an accompanying Flood • Insurance Rate Map (FIRM), and any revisions thereto*, • are hereby adopted by reference and declared to be a part of this ordinance. The Flood Insurance Study and the FIRM are on file at (___community address__). The best available information for flood hazard area identification as outlined in Sections 3.2, 3.3, and 3.5 shall be the basis for regulation until a new FIRM is issued that incorporates data utilized under Sections 3.3.F and 3.5. * In some communities, the phrase "and any revisions thereto " is not considered legally binding and should not be adopted. 2 MODEL ORDINANCE 4.1 DEVELOPMENT PERMIT REQUIRED A development permit shall be obtained before 44 CFR 60.3(b)(1) construction or development begins within any area of 130 15 68 special flood hazard established in Section 3.2. The . . permit shall be far all structures including manufactured homes, as set forth in the "Definitions," and for all development including fill and other activities, also as set forth in the "Definitions." 3 MODEL ORDINANCE 4.2.F, 4.S.B9 4.7.A.3 4.2.F and 4.5B - 15.68135 PERMIT REVIEW Review all development permits to determine that all - 4.7.A.3 15.07.100D necessary permits have been obtained from those Federal, State, or local governmental agencies from which prior approval is required. 44 CFR 60.3 (a) (2) City of Auburn NFIP-ESA Checklist B- 1 February 8, 2010 DRAFT FEDERAL/CITY CRITERIA & MODEL ORDINANCE REFERENCE REGULATION REFERENCE 4 MODEL ORDINANCE 3.3.F 15.68.060B(3), USE OF OTHER BASE FLOOD DATA 15.68.0600 When base flood elevation data has not been provided (in A or V Zones) in accordance with Section 3.2, the (Local 44 CFR 60.3(b)(4) AdministYator) shall obtain, review, and reasonably utilize any base flood elevation and floodway data available from a Federal, State or other source, in order to administer Sections 6, and 7.5. 5 MODEL ORDINANCE 4.2.C, 4.5.F, 4.7.A.1 4.2.C, 4.5.F - INFORMATION TO BE OBTAINED AND 15.68.135 MAINTAINED 4.7.A.1- (1) Where base flood elevation data is provided through 15.07.100D the Flood Insurance Study, FIRM, or required as in Section 33, obtain and record the actual (as-built) e]evation (in relation to mean sea level) of the lowest 44 CFR floor (including basement) of all new or substantially 60.3(b)(S)(i) improved structures, and whether or not the structure contains a basement. (2) For all new or substantially improved floodproofed nonresidential structures where base flood elevation data is provided through the FIS, FTRM, or as required in Section 33: (i) Obtain and record the elevation (in relation to 44 CFR 60.3(b)(5)(ii) mean sea level) to which the structure was floodproofed, (ii) Maintain the floodproofing certifications required in Sections 4.2.1), 6.3.D. (3) Maintain for public inspection all records pertaining to the provision of this ordinance. 44 CFR 60. 3(b) (S) (iii) 6 MODEL ORDINANCE 7.9.11 *15.68.150D(2) ALTERATION OF WATERCOURSES Notify adjacent communities and the Department of 44 CFR 60.3(b)(6) Ecology prior to any alteration or relocation of a watercourse, and submit evidence of such notification to the Federal Insurance Administration. 7 MODEL ORDINANCE 7.9.C 15.68.1501)(2) ALTERATION OF WATERCOURSES Require that maintenance is provided within the altered 44 CFR 60.3(b)(6) or relocated ortion of said watercourse so that the flood City of Auburn NFIP-ESA Checklist B- 2 February 8, 2010 DRAFT FEDERAL/CITY CRITERIA & MODEL ORDINANCE REFERENCE REGULATION REFERENCE carrying capacity is not diminished. 8A MODEL ORDINANCE 6.2.C 15.68.170A(4) ANCHORING All new construction and substantial improvements shall 44 CFR be anchored to prevent flotation, collapse, or latera] 60.3(a) (3) (i) movement of the structure. 8B MODEL ORDINANCE 6.4.13 15.68.161A(2) ANCHORING All manufactured homes shall be anchared to prevent 44 CFR 60.3(b)(8) flotation, collapse, or lateral movement, and shall be installed using methods and practices that mini,mize flood , damage. Anchoring methods may include, but are not limited to, use of over-the-top or frame ties to ground anchors. For more detailed information, refer to guidebook, FEMA-85, "Manufactured Home Installation in Flood Hazard Areas. " 8D MODEL ORDINANCE 6Z.1) 15.68.170(5) CONSTRUCTION MATERIALS AND METHODS All new construction and substantial improvements shall 44 CFR be constructed with materials and utility equipment 60.3(a)(3)(ii) resistant to flood damage. 8E MODEL ORDINANCE 6.2 - 6.6 15.68.170 CONSTRUCTION MATERIALS AND METHODS All new construction and substantial improvements shall be constructed using methods and practices that minimize 44 CFR flood damage. ~ 60(a)~ )(iii .3 3 8F MODEL ORDINANCE 6.2.E 15.68.170A(6) CONSTRUCTION MATERIALS AND METHODS Electrical, heating, ventilation, plumbing, and air- conditioning equipment and other service facilities shall 44 CFR be designed and/ar otherwise elevated or located so as to 60.3 (a) (3) (iv) prevent water from entering or accumulating within the components during conditions of flooding. 9 MODEL ORDINANCE 6.7 15.68.160A(6) UTILITIES (1) All new and replacement water supply systems shall 44 CFR 60.3(a)(5) be designed to minimize or eliminate infiltration of flood waters into the systems; WAC 173-160-171 City of Auburn NFIP-ESA Checklist B- 3 February 8, 2010 DRAFT FEDERAL/CITY CRITERIA & MODEL ORDINANCE REFERENCE REGULATION REFERENCE (2) Water wells shall be located on high ground that is not in the floodway* 44 CFR (3) New and replacement sanitary sewerage systems shall 60.3(a)(6)(i) be designed to minimize or eliminate infiltration of flood waters into the systems and discharges from the systems into flood waters; and 44 CFR (4) Onsite waste disposal systems shall be located to 60.3(a)(6)(ii) avoid impairment to them or contamination from them during flooding. * FEMA endorses the more restrictive WA floodway standard identified in WAC 173-160-171 10 MODEL ORDINANCE 5.1 ' 5.113 - ' SUBDNISION PROPOSALS 17.09.0501)(3) (1) All subdivision proposals shall be consistent with the 5.1C - need to minimize flood damage; 18.09.0501)(4) (2) All subdivision proposals shall have public utilities 5.11) - and facilities, such as sewer, gas, electrical, and water 15.68.160B(2) systems located and constructed to minimize or eliminate 5.1E - flood damage; 17.09.05OF(3) (3) All subdivision proposals shall have adequate 51.F - drainage provided to reduce exposure to flood damage; 15.68.160B(3) Section 3.5.C -(4) Where base flood elevation data has not been provided or is not available from another authorized source, it shall be generated for subdivision 44 CFR proposals and other proposed developments which 60.3(a)(4)(b)(3) contain at least 50 lots or 5 acres (whichever is less). 44 CFR 60.3(a) (4) (i) 44 CFR 60. 3 (a) (4) (iii) 44 CFR 60.3 (b) (3) 11 MODEL ORDINANCE 6.2 *15.68.170A RESIDENTIAL CONSTRUCTION ) New construction and substantial improvement of any residential structure shall have the lowest floor, including basement, elevated one foot or more* above the base 44 CFR 60.3(c)(2) flood elevation (BFE). Ciry of Auburn NFIP-ESA Checklist B- 4 February 8, 2010 DRAFT CRITERIA & MODEL ORDINANCE REFERENCE FEDERAL/CITY REGULATION REFERENCE * Minimum standards require the lowest floor to be elevated "to or above" the BFE; however, adding an additional foot of freeboard increases safety and reduces insurance premiums and its adoption is strongly encouraged by FEMA. This note applies throughout the model ordinance. 44 CFR 60.3(c) (5) (2) Fully enclosed areas below the lowest floor that are subject to flooding are prohibited, or shall be designed to automatically equalize hydrostatic flood forces on exterior walls by allowing for the entry and exit of floodwaters. Designs for meeting this requirement must either be certified by a registered professional engineer or architect or must meet or exceed the following minimum , criteria: (i) A minimum of two openings having a total net area of not less than one square inch for every square foot of enclosed area subject to flooding shall be provided. (ii) The bottom of all openings shall be no higher than one foot above grade. (iii) Openings may be equipped with screens, louvers, or other coverings or devices provided that they permit the automatic entry and exit of floodwaters. 12 MODEL ORDINANCE 6.3 15.68.170B NONRESIDENTIAL CONSTRUCTION New construction and substantial improvement of any commercial, industrial or other nonresidential structure 44 CFR shall either have the lowest floor, including basement, 60.3(c)(3)(i) elevated one foot or more above the base flood elevation; or, together with attendant utility and sanitary facilities, shall: (1) Be floodproofed so that below one foot or more above the base flood level of the structure is watertight 44 CFR with walls substantially impermeable to the passage of 60.3(c)(3)(ii) water; * 15.68.170B(2) (2) Have structural components capable of resisting hydrostatic and hydrodynamic loads including the effects of buoyancy (3) Be certified by a registered professional engineer or 44 CFR architect that the design and methods of construction are 60.3(c)(4)(i) in accordance with accepted standards of practice for * 15.68.170B(3) meeting provisions of this subsection based on their development and/or review of the structural design, City of Auburn NFIP-ESA Checklist B- 5 February 8, 2010 DRAFT CRITERIA & MODEL ORDINANCE REFERENCE FEDERAL/CITY REGULATION REFERENCE specifications and plans. Such certifications shall be provided to the official as set forth in Sections 4.2.13, 4.6, 4.7.A.1; 44 CFR (4) Nonresidential structures that are elevated, not 60.3(C)(5) floodproofed, must meet the same standards for space below the lowest floor as described in 6.2; 13 MODEL ORDINANCE 6.4 6.4A - MANUFACTURED HOMES *15.68.170C (1) All manufactured homes to be placed or substantially 6.411 - improved on sites shall be elevated on a permanent 15.68.161A(2) foundation such that the lowest floor of the manufactured 'home is elevated one foot br more above the base flobd elevation and be securely anchored to an adequately 44 CFR 60.3(c)(6) anchored foundation system to resist flotation, collapse and lateral movement*. * If this phrase is applied to all manufactured homes in the floodplain, then the remaining verbiage is not necessary to adopt. - It's applied to all manufactured homes in the NFIP-ESA Model This applies to manufactured homes: (i) Outside of a manufactured home park or subdivision, 44 CFR (ii) In a new manufactured home park or subdivision, 60.3(c)(6)(i) (iii) In an expansion to an existing manufactured 44 CFR 60.3(c)(6)(ii) home park or subdivision, ar (iv) In an existing manufactured home park or 44 CFR 60.3(c)(6)(iii) subdivision on a site which a manufactured home has incurred "substantial damage" as the result of a flood; 44 CFR and 60. 3 (c) (6) (iv) (2) Manufactured homes to be placed or substantially improved on sites in an existing manufactured home park or subdivision that are not subject to the above manufactured home provisions be elevated so that either: 44 CFR (i) The lowest floor of the manufactured home is 60.3(c) (12) elevated one foot or more above the base flood 44 CFR elevation, or 60.3(c)(12)(1) (ii) The manufactured home chassis is supported by reinforced piers or other foundation elements of at least equivalent strength that are no less than 36 44 CFR inches in height above grade and be securely 60.3(c)(12)(ii) anchored to an adequately anchored foundation s stem to resist flotation, colla se, and lateral City of Auburn NFIP-ESA Checklist B- 6 February 8, 2010 DRAFT FEDERAL/CITY CRITERIA & MODEL ORDINANCE REFERENCE REGULATION REFERENCE movement. 14 MODEL ORDINANCE 6.5 *15.68.170D RECREATIONAL VEHICLES Recreational vehicles placed on sites are required to 44 CFR either: 60. 3 (c) (14) (i-iii) (i) Be on the site for fewer than 180 consecutive days, (or) (ii) Be fully licensed and ready for highway use, on its ' wheels or jacking system, is attached to the site only by quick disconnect type utilities and security devices, and have no permanently attached additions; or (iii) Meet the requirements of 6.4 above and the elevation and anchoring requirements for manufactured homes. 15 MODEL ORDINANCE 3.5, 7.S.B 15.68.180 AE AND A1-30 ZONES WITH BASE FLOOD 15.68.060D(3) ELEVATIONS BUT NO FLOODWAYS In areas with base flood elevations (but a regulatory 15.68.160C floodway has not been designated), no new construction, substantial improvements, or other development (including fill) shall be permitted within Zones A1-30 44 CFR and AE on the community's FIRM, unless it is 60.3(c)(10) demonstrated that the cumulative effect of the proposed development, when combined with all other existing and anticipated development, will not increase the water surface elevation of the base flood more than one foot at any point within the community. 16 MODEL ORDINANCE 7.5.A 15.68.180C FLOODWAYS Located within areas of special flood hazard established 44 CFR 60.3(d) in Section 3.2 are areas designated as floodways. Since the floodway is an extremely hazardous area due to the velocity of floodwaters that can carry debris, and increase erosion potential, the following provisions apply: (1) Prohibit encroachments, including fill, new construction, substantial improvements, and other development unless certification by a registered professional engineer is provided demonstrating through hydrologic and hydraulic analyses performed in accordance with standard engineering practice that the City of Auburn NFIP-ESA Checklist B- 7 February 8, 2010 DRAFT CRITERIA & MODEL ORDINANCE REFERENCE FEDERAL/CITY REGULATION REFERENCE proposed encroachment would not result in any increase 44 CFR 60.3(d)(3) in flood levels during the occurrence of the base flood discharge. (2) Construction or reconstruction of residential structures is prohibited within designated floodways, except for (i) repairs, reconstruction, or improvements to a structure which do not increase the ground floor area; and (ii) repairs, reconstruction or improvements to a structure, the cost of which does not exceed 50 percent of the market value of the structure either, (A) before the WAC 173-158-070 repair, or reconstruction is started, or (B) if the structure has been damaged, and is being restored, before the damage occurred. Any project for improvement of a structure to correct existing violations of state or'local ' health, sanitary, or safety code specifications which have been identified by the local code enforcement official and which are the minimum necessary to assure safe living conditions, ar to structures identified as historic places, may be excluded in the 50 percent. City of Auburn NFIP-ESA Checklist B- 8 February 8, 2010 DRAFT Communities with Shallow Flooding CRITERIA & MODEL ORDINANCE REFERENCE FEDERAL REGULATION REFERENCE 17 MODEL ORDINANCE 33.13, plus others, as noted 15.68.060(2) STANDARDS FOR SHALLOW FLOODING AREAS (AO ZONES) Shallow flooding areas appear on FIRMs as AO zones with depth designations. The base flood depths in these zones range from 1 to 3 feet above ground where a clearly defined channel does not exist, or where the path of oPT1oN,4z, flooding is unpredictable and where velocity flow may be PROVISION evident. Such flooding is usually characterized as sheet flow. In these areas, the following provisions apply: Section 6.2 -(1) New construction and substantial improvements of residential structures and manufactured 44 CFR 60.3(c)(7) homes within AO zones shall have the lowest floor (including basement) elevated above the highest adjacent grade to the structure, one foot or more above the depth number specified in feet on the community's FIRM (at least two feet above the highest adjacent grade to the structure if no depth number is specified). 44 CFR 60.3(c)(8) Section 63 -(2) New construction and substantial improvements of nonresidential structures within AO zones shall either: (i) Have the lowest floor (including basement) 44 CFR elevated above the highest adjacent grade ofthe 60.3(c)(8)(ii) building site, one foot or more above the depth number specified on the FIRM (at least two feet if no depth number is specified); or (ii) Together with attendant utility and sanitary facilities, be completely flood proofed to or above that level so that any space below that level is watertight with walls substantially impermeable to the passage of water and with structural components having the capability of resisting hydrostatic and hydrodynamic loads and effects of buoyancy. If this method is used, compliance shall be certified by a registered professional engineer, or architect as in sections 4.2.1), 44 CFR 4.6, 4.7.A.1. 60.3(c)(11) Sections 5.1.E, 5.2.C -(3) Require adequate drainage paths around structures on slopes to guide floodwaters around and away from proposed structures. Section 6.5 -(4) Recreational vehicles placed on sites within AO Zones on the community's FIRM either: (i) Be on the site for fewer than 180 consecutive days, or City of Auburn NFIP-ESA Checklist B- 9 February 8, 2010 DRAFT (ii) Be fully licensed and ready for highway use, on its wheels or jacking system, is attached to the site only by quick disconnect type utilities and security devices, and has no permanently attached additions; or (iii) Meet the requirements of 5.5(l) and 5.5(3) above and the anchoring requirements for manufactured homes (Section 6.4.13). Communities with Coastal Velocity (V) Zones FEDERAL CRITERIA & MODEL ORDINANCE REFERENCE E REGULATION REFERENCE 18 MODEL ORDINANCE 6.2.G, plus others, as noted **Does not crpply to Auburn * * COASTAL HIGH HAZARD AREAS [All of these provisions have been deleted from this checklist Definitions CRITERIA & MODEL ORDINANCE REFERENCE INCLUDED IN ORD: Yes No FEDERAL REGULATION REFERENCE 44 CFR 59.1 23 AREA oF SPECrAL F[,OOn HAZARn: is the land in the flood plain All definitions within a community subject to a one percent or greater chance of incorporated flooding in any given year. Designation on maps always includes into 15.68.060 the letters A or V. BASE FLOOn: the flood having a]% chance of being equaled or exceeded in any given year (also referred to as the "100-year flood"). Designated on Flood Insurance Rate Maps by the letters AorV. BASEMENT: means any area of the building having its floor sub- grade (below ground level) on all sides. CRITICAL FACILITY: means a facility for which even a slight chance of flooding might be too great. Critical facilities include (but are not limited to) schools, nursing homes, hospitals, police, fire and emergency response installations, and installations which produce, use, or store hazardous materials ar hazardous waste. DEVELOPME1v'r: means any man-made change to improved or unimproved real estate, including but not limited to buildings or other structures, mining, dredging filling, grading, paving, excavation or drilling operations or storage of equipment or materials located within the area of special flood hazard. FLOOD or FLOODING: means a general and temporary condition City of Auburn NFIP-ESA Checklist B- 10 February 8, 2010 DRAFT of partial or complete inundation of normally dry land areas from: 1) The overflow of inland or tidal waters and/or 2) The unusual and rapid accumulation of runoff of surface waters from any source. FLOOD INSURA1vCE RATE MAP (FIR1V): means the official map on which the Federal Insurance Administration has delineated both the areas of special flood hazards and the risk premium zones applicable to the community. FLOOD INSURANCE STUDY (FIS): means the official report provided by the Federal Insurance Administration that includes flood profiles, the Flood Insurance Rate Maps, and the water surface elevation of the base flood. FLOOnwAY: means the channel of a river or other watercourse and the adjacent land areas that must be reserved in order to 'discharge the base flood without cumulatively increasing the water ' surface elevation more than one foot. LowEST FLOOR: means the lowest floor of the lowest enclosed area (including basement). An unfinished or flood resistant enclosure, usable solely for parking of vehicles, building access, or storage in an area other than a basement area, is not considered a building's lowest floor, provided that such enclosure is not built so as to render the structure in violation of the applicable non- elevation design requirements of this ordinance found at Section 6.2.F, (i.e. provided there are adequate flood ventilation openings). MANUFACTURED HOME: means a structure, transportable in one or more sections, which is built on a permanent chassis and is designed for use with or without a permanent foundation when attached to the required utilities. The term "manufactured home" does not include a"recreational vehicle." MANUFACTURED HOME PARK OR SUBDIVISION: means a parcel (or contiguous parcels) of land divided into two or more manufactured home lots for rent or sale. NEW CONSTRUCTION: means structures for which the "start of construction" commenced on or after the effective date of this ordinance. RECREATIONAL VEHICLE: means a vehicle, 1) Built on a single chassis; 2) 400 square feet ar less when measured at the largest horizontal projection; 3) Designed to be self-propelled or permanently towable by a light duty truck; and 4) Designed primarily not far use as a permanent dwelling but as temporary living quarters for recreational, camping, travel, or seasonal use. City of Auburn NFIP-ESA Checklist B- 11 February 8, 2010 DRAFT START OF CONSTRiJCTION: includes substantial improvement, and means the date the building permit was issued, provided the actual start of construction, repair, reconstruction, placement or other improvement was within 180 days of the permit date. The actual start means either the first placement of permanent construction of a structure on a site, such as the pouring of slab or footings, the installation of piles, the construction of columns, or any work beyond the stage of excavation; or the placement of a manufactured home on a foundation. Permanent construction does not include land preparation, such as clearing, grading and filling; nor does it include the installation of streets and/or walkways; nor does it include excavation for a basement, footings, piers, or foundations or the erection of temporary forms; nor does it include the installation on the property of accessory buildings, such as garages or sheds not occupied as dwelling units or not part of the main structure. For a substantial improvement, the actual start of construction means the first alteration of any wall, ceiling, floor, or other structural part of a building, whether or not that alteration ' affects the external dimensions of the building. STxUCTUUE: a walled and roofed building, including a gas or liquid storage tank that is principally above ground. SUBSTANTIAL DAMAGE: means damage of any origin sustained by a structure whereby the cost of restoring the structure to its before damaged condition would equal or exceed 50 percent of the market value of the structure before the damage occurred. SUBSTANTIAL IMPROVEMENT: means any repair, reconstruction, or improvement of a structure, the cost of which equals or exceeds 50 percent of the market value of the structure either: 1) Before the improvement or repair is started; or 2) If the structure has been damaged and is being restored, before the damage occurred. For the purposes of this definition "substantial improvement" is considered to occur when the first alteration of any wall, ceiling, floor, or other structural part of the building commences, whether or not that alteration affects the external dimensions of the structure. The term can exclude: l) Any project for improvement of a structure to correct pre-cited existing violations of state ar local health, sanitary, or safety code specifications which have been previously identified by the local code enforcement official and which are the minimum necessary to assure safe living conditions, or 2) Any alteration of a structure listed on the National Register of Historic Places or a State Inventory of Historic Places. VARIANCE: means a grant of relief from the requirements of this ordinance that permits construction in a manner that would otherwise be prohibited by this ordinance. City of Auburn NFIP-ESA Checklist B- 12 February 8, 2010 DRAFT PCDC 02/28/10 Pages: 1 Submitted by C. Andersen In reference to Item V A. Draft Existing FEMA Flood Zone ~ ~ ~ , , - . , ~ ` ' _ . ~ ~ ~ ~ . , _ \4 y ~ h ' Y ~..~J. . 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Y . ..n ~L'. . : f-,i M ~ . ~ 'R-c"~ . ~ ~.5I ~ E :.I . / ~ _.i : ~ .,F W~'~ ♦ i . ,n, n . . r . r. s S ~ . ..sirr. r x . . c. ~ . . ~ ' _ . - _ . n . ]pon I Sveams I I Floodway ~ Moderate Green River Channel Migration Zone FE~ I i II ~I,M J a~~~ee a~: ovo~no r ~ ,7 Auburn City Limits ~ Parcels Ill Potential green River Channel Migration Zone I.wa~o: n<~3 W\N, ~ .1~ s I i Inlomation shown is for general mfcmn<r purpesei i only and does not necessaAly represen[ exac[ ~ Special Rood Hazard Area (SFHA) ~ Riparian Habitat Zone i Severe Green River Channet Migration Zone seo.•.,~~,~~or no~;~=Pi,,~a, ~~~:m,,P,.~d. Thz I -.na~~,.'o war,anp~ a-. ;o~,[.ac_u.a cy. ' ~i_y~IA~L~ n PC 02/23/10 Pages: 1 Submitted by C. Andersen In reference to Item III, Exhibit 9 Interoffice Memorandum To: City Council Planning Commission From: Planning and Development Department Date: February 23, 2010 Re: Exhibit B to Ordinance 6295 - Relating to Floodplain Development. Amendment regarding repairs and remodels Staff recommends the following amendment to proposed section 15.68.130D(1). 15.68.130 Establishment of and requirement to obtain floodplain development permit 2 Expansion of an existinq structure that is no qreater than ten percent bevond its existinq footprint provided that the repairs or remodeling are not a substantial improvement or a repair of substantial damaqe This measurement is counted cumulativelv from the effective date of this ordinance If the structure is in the floodwav there shall be no chanae in the dimensions perpendicular to flow. 3 Activities with the sole purpose of creating restorinq or enhancinq natural functions associated with floodplains streams lakes estuaries marine areas, habitat, and riparian areas that meet Federal and State standards provided the activities do not include structures, gradinq fill or impervious surfaces. 4 Development of open space and recreational facilities such as parks, trails, and hunting grounds that do not include structures qradinq fill impervious surfaces or removal of more than 5% of the native vegetation on the propertv. D Activities Allowed With a Floodplain Permit The followinq activities are allowed in the Regulatorv Floodplain without the analysis required in Section 15.68.160C or the habitat impact assessment required under ACC 15 68.130K providinq all other requirements of this ordinance are met includinq obtaininq a floodplain developmerrt permit: \ ~ ~ ~i~ ~ - ~ , ; ~-,-r ~ ~ - J r ~ . l ~ •v i !~~~1i ~ ~ , ~ = ' i ysj't►I i ~ I , . . . ; ~ . . . . _ . ~ , _ . .....I I ~ f ~ , . - ovo ~ - - ~ - • _ ; ~ I~s__ ' ~ g r ~ - - ~ ~ ~ DSiS P . ~ K . I at N~ ; ~ - C/) - . , 1►:-, i f ~ ~ '~y - I I ~ ~ - _ 1~~• ~ ~ ~ m 0 r VJ . ~ ~ ♦ ` I . ~ ~ ~ I ~ . ~ k • ~ ~ ~ I . . ~ ~ _ ` 7 ~ ~ ~.:'0~:r.Ac , . F ...+~i■ ~a ` ' ~ _ ~ ~ . • I Q F - 4 ~i - - . . ~ - - O I~_ ♦ a- ~ , -91 3S IS puz ElS iS puZ Vr`; ~ t~r *ie" ~ 7*0 ~ e • I 17~ ~ . ~ ~ - • ~ ~ - ~ I~ 4 r y~ `-~'L' ~ a , - _ ~ ' ~ ~ . - %s° ; . . ~ y + Q : ~ > • - ~ . o dOlS ~S iS IS ' .I ~ 1 i~' • , . ~ I ; V• J . _ ; ~ ~ - ...c ,Z ' ,..F. O • ~L ~,J _ , . ~ - - ~ ~ . • i L Cn - - - ~ ~ /~,//J~ ' ~ , . - ' m Y►,.~~ - ~ / y . y . ~ I ~ u~a~l 1 ejed d /~q Paili.wqnS 8 III o aDuaJa}aa ul ~~~50/Z0 oba . : ~ `r- - s~ ~ ~ sa6ed { s i ~ - 4 IS . UIeW iS UIew 'D . ~ ~ ~ _ . _ ~ ~e , - 1 . • „ ~ - ' j 4 ~ ~ r. . _ ~ ~ jL~t • i, • ~~~+.rw. ~ - DRC 02109/10 Pages: 4 Submitted by S. Nutter In reference to Item III.B. Cabinets required at Signals First generation of Battery Backups had additional standalone cabinet (F St and AWS) Current configuration per standard detail , Battery backup is part of new PSE metered service Cabinet locations: The signal cabinet needs to be close to the intersection We need to see the overall intersection from the Signal Cabinet for several reasons: 1. To verify vehicle detection with one person we need to see the signal controlled display and look around cabinet to see traffic at the approaching the signal for all legs. . 2. To reboot the Signal controller or put the signal into flash for construction, emergencies, or signal configuration changes we need to see approaching traffic 3. The signal technician needs to be able to see traffic from behind the cabinet and not have his/her back to the cabinet in case he needs to move or get out of the way of traffic. The Service cabinet with the Meter should be within 50 feet of the signal and cabinet so you can shut off power in an emergency. Mounting and clearances: The Signal door swing is about 30" Battery Backup cabinet has opening doors on both sides PSE requires 36" clear space around meter pedestal Meter shall be 5 to 7 ft above ground Signal Cabinets contain 120 volt AC power and low voltage and Service cabinets contain 120 and 240 Volt AC power and need to be kept dry and above any potential standing water. With a high water table at some locations the existing bases some conduits fill with water and come into the cabinet. The brushed aluminum cabinets are the optimum choice for three major reasons. 1. Using the standard brushed aluminum keeps an all ready price as low as possible 2. If an aluminum cabinet is tagged with graffiti (which unfortunately happens on a daily basis) then it can simply be removed with industrial chemicals which leaves the cabinet looking like it did before the graffiti. Signal Cabinet Contents; Signal cabinets may contain any or all of the following: • Controller, the computer that is programmed with all the timings and settings: Different than home computers Signal Controllers are actually getting a little bigger. The contoller saves all the green yellow and red times for all the legs of the signals and control of what proceeds what functions. • Conflict monitor: Programmed to watch for signal head failures and programming faults and will put the signal into flash for the safety of the traveling public. • Load cards/switches for providing 120 volt power to the signal heads • Racks full of vehicle detection cards, more lanes and loops means mare cards • Emergency vehicle detection cards, detects white strobes from emergency vehicles • Video detection equipment and B&W TV monitor (only some locations) We are moving towards adding video detection to existing signals when the loops fail or where it may save money which requires a big enough cabinet. • Fiber Optic switches and/or DSL switch (ITS) • Fiber termination Panel (ITS) • ITS Camera controller (Video Encoder for Digital transmission for ITS) The standard cabinets have a pullout tray to set our laptop on to program the controller and copy settings Battery Backups / Uninterruptible Power Supply (UPS) cabinets Power is filtered thru a UPS that prevents any spikes or hiccups from dirty power and backup power is instantaneously supplied to the signal with deep cycle batteries if the power goes out. With our current cabinet we use 4 batteries and can run full operation for over 10 hours.