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19049 Supporting Docs (Appendices)
1 Marjorie Hennessy From:Strasheim, Kerri <kstrasheim@mt.gov> Sent:Thursday, May 10, 2018 5:46 PM To:Troy Scherer Cc:Marjorie Hennessy; Rob Pertzborn; Brian Heaston Subject:RE: Valley West Commercial Parcel - Exempt Well Determination Troy – Per the information in your April 13, 2018, email, the proposed water use for Lot 3A of Valley West Subdivison will not exceed 10 acre-feet (AF). The proposed use of lawn and garden irrigation on 0.701 acres would use about 1.238 AF of water. This proposed development falls under the 1993 rule for combined appropriations. The proposed use does not exceed 10 AF. Each well cannot exceed a diversion rate of 35 gallons per minute (GPM). No water right permitting is required. Standard language: In Clark Fork Coalition, et. al. v. DNRC, et. al., 2016 MT 229, 384 Mont. 503, 380 P.3d 771, the Montana Supreme Court concluded that the definition of “combined appropriation” in Admin. R. Mont. 36.12.101(13) was invalid. The Court reinstated the Department’s 1987 Rule defining “combined appropriation” as: “An appropriation of water from the same source aquifer by means of two or more groundwater developments, the purpose of which, in the department’s judgment, could have been accomplished by a single appropriation. Groundwater developments need not be physically connected nor have a common distribution system to be considered a “combined appropriation.” They can be separate developed springs or wells to separate parts of a project or development. Such wells and springs need not be developed simultaneously. They can be developed gradually or in increments. The amount of water appropriated from the entire project or development from these groundwater developments in the same source aquifer is the “combined appropriation.” Under this Rule, the Department interprets subdivisions that are pending before the Department of Environmental Quality for approval on October 17, 2014 or filed after that date to be a single project that can be accomplished by a single appropriation. Consequently, all wells in such a subdivision will be considered a “combined appropriation” for the purposes of Mont. Code Ann. 85-2-306. The only exception to this interpretation is that a subdivision which has received preliminary plat approval prior to October 17, 2014 will not be considered a project under the “combined appropriation” 1987 Rule; individual lots will still be evaluated under the 1987 Rule at the time of an application to the Department. 2015 Mont. Laws § 1, Ch. 221. This communication does not serve as a pre-approval for a water right. Thank you, Kerri ___________________ Kerri Strasheim Regional Manager – Gallatin, Madison, and Park Counties MT DNRC Water Resources 2273 Boot Hill Court, Suite 110 Bozeman, MT 59715 Ph: 406-556-4504 Fax: 406-587-9726 United States Department of Agriculture A product of the National Cooperative Soil Survey, a joint effort of the United States Department of Agriculture and other Federal agencies, State agencies including the Agricultural Experiment Stations, and local participants Custom Soil Resource Report for Gallatin County Area, Montana Valley West Square Natural Resources Conservation Service January 18, 2019 Preface Soil surveys contain information that affects land use planning in survey areas. They highlight soil limitations that affect various land uses and provide information about the properties of the soils in the survey areas. Soil surveys are designed for many different users, including farmers, ranchers, foresters, agronomists, urban planners, community officials, engineers, developers, builders, and home buyers. Also, conservationists, teachers, students, and specialists in recreation, waste disposal, and pollution control can use the surveys to help them understand, protect, or enhance the environment. Various land use regulations of Federal, State, and local governments may impose special restrictions on land use or land treatment. Soil surveys identify soil properties that are used in making various land use or land treatment decisions. The information is intended to help the land users identify and reduce the effects of soil limitations on various land uses. The landowner or user is responsible for identifying and complying with existing laws and regulations. Although soil survey information can be used for general farm, local, and wider area planning, onsite investigation is needed to supplement this information in some cases. Examples include soil quality assessments (http://www.nrcs.usda.gov/wps/ portal/nrcs/main/soils/health/) and certain conservation and engineering applications. For more detailed information, contact your local USDA Service Center (https://offices.sc.egov.usda.gov/locator/app?agency=nrcs) or your NRCS State Soil Scientist (http://www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/contactus/? cid=nrcs142p2_053951). Great differences in soil properties can occur within short distances. Some soils are seasonally wet or subject to flooding. Some are too unstable to be used as a foundation for buildings or roads. Clayey or wet soils are poorly suited to use as septic tank absorption fields. A high water table makes a soil poorly suited to basements or underground installations. The National Cooperative Soil Survey is a joint effort of the United States Department of Agriculture and other Federal agencies, State agencies including the Agricultural Experiment Stations, and local agencies. The Natural Resources Conservation Service (NRCS) has leadership for the Federal part of the National Cooperative Soil Survey. Information about soils is updated periodically. Updated information is available through the NRCS Web Soil Survey, the site for official soil survey information. The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or a part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require 2 alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider and employer. 3 Contents Preface....................................................................................................................2 How Soil Surveys Are Made..................................................................................5 Soil Map..................................................................................................................8 Soil Map................................................................................................................9 Legend................................................................................................................10 Map Unit Legend................................................................................................11 Map Unit Descriptions.........................................................................................11 Gallatin County Area, Montana.......................................................................13 457A—Turner loam, moderately wet, 0 to 2 percent slopes.......................13 509B—Enbar loam, 0 to 4 percent slopes...................................................14 References............................................................................................................16 4 How Soil Surveys Are Made Soil surveys are made to provide information about the soils and miscellaneous areas in a specific area. They include a description of the soils and miscellaneous areas and their location on the landscape and tables that show soil properties and limitations affecting various uses. Soil scientists observed the steepness, length, and shape of the slopes; the general pattern of drainage; the kinds of crops and native plants; and the kinds of bedrock. They observed and described many soil profiles. A soil profile is the sequence of natural layers, or horizons, in a soil. The profile extends from the surface down into the unconsolidated material in which the soil formed or from the surface down to bedrock. The unconsolidated material is devoid of roots and other living organisms and has not been changed by other biological activity. Currently, soils are mapped according to the boundaries of major land resource areas (MLRAs). MLRAs are geographically associated land resource units that share common characteristics related to physiography, geology, climate, water resources, soils, biological resources, and land uses (USDA, 2006). Soil survey areas typically consist of parts of one or more MLRA. The soils and miscellaneous areas in a survey area occur in an orderly pattern that is related to the geology, landforms, relief, climate, and natural vegetation of the area. Each kind of soil and miscellaneous area is associated with a particular kind of landform or with a segment of the landform. By observing the soils and miscellaneous areas in the survey area and relating their position to specific segments of the landform, a soil scientist develops a concept, or model, of how they were formed. Thus, during mapping, this model enables the soil scientist to predict with a considerable degree of accuracy the kind of soil or miscellaneous area at a specific location on the landscape. Commonly, individual soils on the landscape merge into one another as their characteristics gradually change. To construct an accurate soil map, however, soil scientists must determine the boundaries between the soils. They can observe only a limited number of soil profiles. Nevertheless, these observations, supplemented by an understanding of the soil-vegetation-landscape relationship, are sufficient to verify predictions of the kinds of soil in an area and to determine the boundaries. Soil scientists recorded the characteristics of the soil profiles that they studied. They noted soil color, texture, size and shape of soil aggregates, kind and amount of rock fragments, distribution of plant roots, reaction, and other features that enable them to identify soils. After describing the soils in the survey area and determining their properties, the soil scientists assigned the soils to taxonomic classes (units). Taxonomic classes are concepts. Each taxonomic class has a set of soil characteristics with precisely defined limits. The classes are used as a basis for comparison to classify soils systematically. Soil taxonomy, the system of taxonomic classification used in the United States, is based mainly on the kind and character of soil properties and the arrangement of horizons within the profile. After the soil 5 scientists classified and named the soils in the survey area, they compared the individual soils with similar soils in the same taxonomic class in other areas so that they could confirm data and assemble additional data based on experience and research. The objective of soil mapping is not to delineate pure map unit components; the objective is to separate the landscape into landforms or landform segments that have similar use and management requirements. Each map unit is defined by a unique combination of soil components and/or miscellaneous areas in predictable proportions. Some components may be highly contrasting to the other components of the map unit. The presence of minor components in a map unit in no way diminishes the usefulness or accuracy of the data. The delineation of such landforms and landform segments on the map provides sufficient information for the development of resource plans. If intensive use of small areas is planned, onsite investigation is needed to define and locate the soils and miscellaneous areas. Soil scientists make many field observations in the process of producing a soil map. The frequency of observation is dependent upon several factors, including scale of mapping, intensity of mapping, design of map units, complexity of the landscape, and experience of the soil scientist. Observations are made to test and refine the soil-landscape model and predictions and to verify the classification of the soils at specific locations. Once the soil-landscape model is refined, a significantly smaller number of measurements of individual soil properties are made and recorded. These measurements may include field measurements, such as those for color, depth to bedrock, and texture, and laboratory measurements, such as those for content of sand, silt, clay, salt, and other components. Properties of each soil typically vary from one point to another across the landscape. Observations for map unit components are aggregated to develop ranges of characteristics for the components. The aggregated values are presented. Direct measurements do not exist for every property presented for every map unit component. Values for some properties are estimated from combinations of other properties. While a soil survey is in progress, samples of some of the soils in the area generally are collected for laboratory analyses and for engineering tests. Soil scientists interpret the data from these analyses and tests as well as the field-observed characteristics and the soil properties to determine the expected behavior of the soils under different uses. Interpretations for all of the soils are field tested through observation of the soils in different uses and under different levels of management. Some interpretations are modified to fit local conditions, and some new interpretations are developed to meet local needs. Data are assembled from other sources, such as research information, production records, and field experience of specialists. For example, data on crop yields under defined levels of management are assembled from farm records and from field or plot experiments on the same kinds of soil. Predictions about soil behavior are based not only on soil properties but also on such variables as climate and biological activity. Soil conditions are predictable over long periods of time, but they are not predictable from year to year. For example, soil scientists can predict with a fairly high degree of accuracy that a given soil will have a high water table within certain depths in most years, but they cannot predict that a high water table will always be at a specific level in the soil on a specific date. After soil scientists located and identified the significant natural bodies of soil in the survey area, they drew the boundaries of these bodies on aerial photographs and Custom Soil Resource Report 6 identified each as a specific map unit. Aerial photographs show trees, buildings, fields, roads, and rivers, all of which help in locating boundaries accurately. Custom Soil Resource Report 7 Soil Map The soil map section includes the soil map for the defined area of interest, a list of soil map units on the map and extent of each map unit, and cartographic symbols displayed on the map. Also presented are various metadata about data used to produce the map, and a description of each soil map unit. 8 9 Custom Soil Resource Report Soil Map 5058310505833050583505058370505839050584105058430505845050584705058490505851050583105058330505835050583705058390505841050584305058450505847050584905058510491880 491900 491920 491940 491960 491980 492000 492020 491880 491900 491920 491940 491960 491980 492000 492020 45° 40' 48'' N 111° 6' 15'' W45° 40' 48'' N111° 6' 8'' W45° 40' 41'' N 111° 6' 15'' W45° 40' 41'' N 111° 6' 8'' WN Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 12N WGS84 0 45 90 180 270Feet 0 10 20 40 60Meters Map Scale: 1:1,000 if printed on A portrait (8.5" x 11") sheet. Soil Map may not be valid at this scale. MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Unit Polygons Soil Map Unit Lines Soil Map Unit Points Special Point Features Blowout Borrow Pit Clay Spot Closed Depression Gravel Pit Gravelly Spot Landfill Lava Flow Marsh or swamp Mine or Quarry Miscellaneous Water Perennial Water Rock Outcrop Saline Spot Sandy Spot Severely Eroded Spot Sinkhole Slide or Slip Sodic Spot Spoil Area Stony Spot Very Stony Spot Wet Spot Other Special Line Features Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Background Aerial Photography The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: Coordinate System: Web Mercator (EPSG:3857) Maps from the Web Soil Survey are based on the Web Mercator projection, which preserves direction and shape but distorts distance and area. A projection that preserves area, such as the Albers equal-area conic projection, should be used if more accurate calculations of distance or area are required. This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Gallatin County Area, Montana Survey Area Data: Version 22, Sep 5, 2018 Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. Date(s) aerial images were photographed: Sep 10, 2012—Nov 12, 2016 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report 10 Map Unit Legend Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 457A Turner loam, moderately wet, 0 to 2 percent slopes 4.5 94.3% 509B Enbar loam, 0 to 4 percent slopes 0.3 5.7% Totals for Area of Interest 4.8 100.0% Map Unit Descriptions The map units delineated on the detailed soil maps in a soil survey represent the soils or miscellaneous areas in the survey area. The map unit descriptions, along with the maps, can be used to determine the composition and properties of a unit. A map unit delineation on a soil map represents an area dominated by one or more major kinds of soil or miscellaneous areas. A map unit is identified and named according to the taxonomic classification of the dominant soils. Within a taxonomic class there are precisely defined limits for the properties of the soils. On the landscape, however, the soils are natural phenomena, and they have the characteristic variability of all natural phenomena. Thus, the range of some observed properties may extend beyond the limits defined for a taxonomic class. Areas of soils of a single taxonomic class rarely, if ever, can be mapped without including areas of other taxonomic classes. Consequently, every map unit is made up of the soils or miscellaneous areas for which it is named and some minor components that belong to taxonomic classes other than those of the major soils. Most minor soils have properties similar to those of the dominant soil or soils in the map unit, and thus they do not affect use and management. These are called noncontrasting, or similar, components. They may or may not be mentioned in a particular map unit description. Other minor components, however, have properties and behavioral characteristics divergent enough to affect use or to require different management. These are called contrasting, or dissimilar, components. They generally are in small areas and could not be mapped separately because of the scale used. Some small areas of strongly contrasting soils or miscellaneous areas are identified by a special symbol on the maps. If included in the database for a given area, the contrasting minor components are identified in the map unit descriptions along with some characteristics of each. A few areas of minor components may not have been observed, and consequently they are not mentioned in the descriptions, especially where the pattern was so complex that it was impractical to make enough observations to identify all the soils and miscellaneous areas on the landscape. The presence of minor components in a map unit in no way diminishes the usefulness or accuracy of the data. The objective of mapping is not to delineate pure taxonomic classes but rather to separate the landscape into landforms or landform segments that have similar use and management requirements. The delineation of such segments on the map provides sufficient information for the development of resource plans. If intensive use of small areas is planned, however, Custom Soil Resource Report 11 onsite investigation is needed to define and locate the soils and miscellaneous areas. An identifying symbol precedes the map unit name in the map unit descriptions. Each description includes general facts about the unit and gives important soil properties and qualities. Soils that have profiles that are almost alike make up a soil series. Except for differences in texture of the surface layer, all the soils of a series have major horizons that are similar in composition, thickness, and arrangement. Soils of one series can differ in texture of the surface layer, slope, stoniness, salinity, degree of erosion, and other characteristics that affect their use. On the basis of such differences, a soil series is divided into soil phases. Most of the areas shown on the detailed soil maps are phases of soil series. The name of a soil phase commonly indicates a feature that affects use or management. For example, Alpha silt loam, 0 to 2 percent slopes, is a phase of the Alpha series. Some map units are made up of two or more major soils or miscellaneous areas. These map units are complexes, associations, or undifferentiated groups. A complex consists of two or more soils or miscellaneous areas in such an intricate pattern or in such small areas that they cannot be shown separately on the maps. The pattern and proportion of the soils or miscellaneous areas are somewhat similar in all areas. Alpha-Beta complex, 0 to 6 percent slopes, is an example. An association is made up of two or more geographically associated soils or miscellaneous areas that are shown as one unit on the maps. Because of present or anticipated uses of the map units in the survey area, it was not considered practical or necessary to map the soils or miscellaneous areas separately. The pattern and relative proportion of the soils or miscellaneous areas are somewhat similar. Alpha-Beta association, 0 to 2 percent slopes, is an example. An undifferentiated group is made up of two or more soils or miscellaneous areas that could be mapped individually but are mapped as one unit because similar interpretations can be made for use and management. The pattern and proportion of the soils or miscellaneous areas in a mapped area are not uniform. An area can be made up of only one of the major soils or miscellaneous areas, or it can be made up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example. Some surveys include miscellaneous areas. Such areas have little or no soil material and support little or no vegetation. Rock outcrop is an example. Custom Soil Resource Report 12 Gallatin County Area, Montana 457A—Turner loam, moderately wet, 0 to 2 percent slopes Map Unit Setting National map unit symbol: 56tb Elevation: 4,300 to 5,200 feet Mean annual precipitation: 15 to 19 inches Mean annual air temperature: 39 to 45 degrees F Frost-free period: 90 to 110 days Farmland classification: Prime farmland if irrigated Map Unit Composition Turner and similar soils: 85 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Turner Setting Landform: Stream terraces Down-slope shape: Linear Across-slope shape: Linear Parent material: Alluvium Typical profile A - 0 to 6 inches: loam Bt - 6 to 12 inches: clay loam Bk - 12 to 26 inches: clay loam 2C - 26 to 60 inches: very gravelly loamy sand Properties and qualities Slope: 0 to 2 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Well drained Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high (0.57 to 1.98 in/hr) Depth to water table: About 48 to 96 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum in profile: 15 percent Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm) Available water storage in profile: Low (about 5.4 inches) Interpretive groups Land capability classification (irrigated): 3e Land capability classification (nonirrigated): 3e Hydrologic Soil Group: B Ecological site: Silty (Si) 15-19" p.z. (R044XS355MT), Upland Grassland (R044BP818MT) Hydric soil rating: No Custom Soil Resource Report 13 Minor Components Turner Percent of map unit: 5 percent Landform: Stream terraces Down-slope shape: Linear Across-slope shape: Linear Ecological site: Silty (Si) 15-19" p.z. (R044XS355MT) Hydric soil rating: No Meadowcreek Percent of map unit: 5 percent Landform: Stream terraces Down-slope shape: Linear Across-slope shape: Linear Ecological site: Subirrigated (Sb) 15-19" p.z. (R044XS359MT) Hydric soil rating: No Beaverton Percent of map unit: 5 percent Landform: Stream terraces, alluvial fans Down-slope shape: Linear Across-slope shape: Linear Ecological site: Shallow to Gravel (SwGr) 15-19" p.z. (R044XS354MT) Hydric soil rating: No 509B—Enbar loam, 0 to 4 percent slopes Map Unit Setting National map unit symbol: 56vp Elevation: 4,400 to 6,000 feet Mean annual precipitation: 15 to 19 inches Mean annual air temperature: 37 to 45 degrees F Frost-free period: 90 to 110 days Farmland classification: All areas are prime farmland Map Unit Composition Enbar and similar soils: 85 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Enbar Setting Landform: Flood plains Down-slope shape: Linear Across-slope shape: Linear Parent material: Loamy alluvium Custom Soil Resource Report 14 Typical profile A - 0 to 22 inches: loam Cg - 22 to 49 inches: sandy loam 2C - 49 to 60 inches: very gravelly loamy sand Properties and qualities Slope: 0 to 4 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Somewhat poorly drained Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high (0.57 to 1.98 in/hr) Depth to water table: About 24 to 42 inches Frequency of flooding: Rare Frequency of ponding: None Calcium carbonate, maximum in profile: 10 percent Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm) Available water storage in profile: Moderate (about 8.8 inches) Interpretive groups Land capability classification (irrigated): 3w Land capability classification (nonirrigated): 3w Hydrologic Soil Group: C Ecological site: Subirrigated (Sb) 15-19" p.z. (R044XS359MT), Bottomland (R044BP801MT) Hydric soil rating: No Minor Components Nythar Percent of map unit: 10 percent Landform: Flood plains Down-slope shape: Linear Across-slope shape: Linear Ecological site: Wet Meadow (WM) 15-19" p.z. (R044XS365MT) Hydric soil rating: Yes Straw Percent of map unit: 5 percent Landform: Stream terraces Down-slope shape: Linear Across-slope shape: Linear Ecological site: Silty (Si) 15-19" p.z. (R044XS355MT) Hydric soil rating: No Custom Soil Resource Report 15 References American Association of State Highway and Transportation Officials (AASHTO). 2004. Standard specifications for transportation materials and methods of sampling and testing. 24th edition. American Society for Testing and Materials (ASTM). 2005. Standard classification of soils for engineering purposes. ASTM Standard D2487-00. Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of wetlands and deep-water habitats of the United States. U.S. Fish and Wildlife Service FWS/OBS-79/31. Federal Register. July 13, 1994. Changes in hydric soils of the United States. Federal Register. September 18, 2002. Hydric soils of the United States. Hurt, G.W., and L.M. Vasilas, editors. Version 6.0, 2006. Field indicators of hydric soils in the United States. National Research Council. 1995. Wetlands: Characteristics and boundaries. Soil Survey Division Staff. 1993. Soil survey manual. Soil Conservation Service. U.S. Department of Agriculture Handbook 18. http://www.nrcs.usda.gov/wps/portal/ nrcs/detail/national/soils/?cid=nrcs142p2_054262 Soil Survey Staff. 1999. Soil taxonomy: A basic system of soil classification for making and interpreting soil surveys. 2nd edition. Natural Resources Conservation Service, U.S. Department of Agriculture Handbook 436. http:// www.nrcs.usda.gov/wps/portal/nrcs/detail/national/soils/?cid=nrcs142p2_053577 Soil Survey Staff. 2010. Keys to soil taxonomy. 11th edition. U.S. Department of Agriculture, Natural Resources Conservation Service. http:// www.nrcs.usda.gov/wps/portal/nrcs/detail/national/soils/?cid=nrcs142p2_053580 Tiner, R.W., Jr. 1985. Wetlands of Delaware. U.S. Fish and Wildlife Service and Delaware Department of Natural Resources and Environmental Control, Wetlands Section. United States Army Corps of Engineers, Environmental Laboratory. 1987. Corps of Engineers wetlands delineation manual. Waterways Experiment Station Technical Report Y-87-1. United States Department of Agriculture, Natural Resources Conservation Service. National forestry manual. http://www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/ home/?cid=nrcs142p2_053374 United States Department of Agriculture, Natural Resources Conservation Service. National range and pasture handbook. http://www.nrcs.usda.gov/wps/portal/nrcs/ detail/national/landuse/rangepasture/?cid=stelprdb1043084 16 United States Department of Agriculture, Natural Resources Conservation Service. National soil survey handbook, title 430-VI. http://www.nrcs.usda.gov/wps/portal/ nrcs/detail/soils/scientists/?cid=nrcs142p2_054242 United States Department of Agriculture, Natural Resources Conservation Service. 2006. Land resource regions and major land resource areas of the United States, the Caribbean, and the Pacific Basin. U.S. Department of Agriculture Handbook 296. http://www.nrcs.usda.gov/wps/portal/nrcs/detail/national/soils/? cid=nrcs142p2_053624 United States Department of Agriculture, Soil Conservation Service. 1961. Land capability classification. U.S. Department of Agriculture Handbook 210. http:// www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/nrcs142p2_052290.pdf Custom Soil Resource Report 17 PUBLIC ACCESS EASEMENT KARDAR, LLC, a Montana limited liability company, with a mailing address of 2001 Stadium Drive, Bozeman, Montana 59715, GRANTOR(S), in consideration of $ 1.00 and for other and valuable considerations, receipt of which is hereby acknowledged, grants to The City of Bozeman, a Municipal Corporation of the State of Montana, with offices at 121 North Rouse Avenue, Bozeman, Montana 59715, GRANTEE, a public access easement for a driveway and parking area for the use of the public in, through, and across a 25 foot wide strip of land situated in Gallatin County, Montana, which is located on the following described property: Tract 3A, Amended Plat of the Remainder of Tract 3, Block 1, Valley West Subdivision, located in the Northeast Quarter of Section 10, T. 2 S., R. 5 E. of P.M.M., City of Bozeman, Gallatin County, Montana. The easement is more particularly described on the attached Exhibit A which by this reference is made a part hereof. The GRANTOR(S) agrees: (1) To construct and maintain the driveway and parking area at their own expense in accordance with relevant City Ordinances, including, but not limited to, snow removal and all major and minor repair work. (2) To allow the City to make any and all inspections of the driveway and parking area and land appurtenant thereto as the City reasonably deems necessary. The GRANTOR(S) warrant that they are lawfully seized and possessed of the real property described above, that they have a lawful right to convey the property, or any part of it, and that they will forever defend the title to this property against the claims of all persons. The GRANTOR(S) further agrees that the GRANTEE may peaceably hold and enjoy the rights and privileges herein granted without any interruption by the GRANTORS. The terms, covenants and provisions of this easement shall extend to and be binding upon the heirs, executors, administrators, personal representatives, successors and assigns of the parties hereto. DATED this ______ day of _____________________, 201 . KARDAR, LLC, a Montana limited liability company ________________________________ By: _________________, its _______________ STATE OF MONTANA ) ):ss County of Gallatin ) This instrument was signed or acknowledged before me this day of , 201 , by ________________, as _____________ of KARDAR, LLC, a Montana limited liability company. (SEAL) Notary Public for the State of Montana Printed Name: ________________________ Residing at My Commission Expires / /20 ACCEPTED: CITY OF BOZEMAN By: Andrea Surratt, City Manager ATTEST: _______________________________ Robin Crough, City Clerk STATE OF MONTANA ) ) ss. County of Gallatin ) On this ______ day of ___________________, 20 , before me, a Notary Public for the State of Montana, personally appeared ANDREA SURRATT and ROBIN CROUGH, known to me to be the City Manager and City Clerk for the City of Bozeman and the persons whose names are subscribed to the within instrument, and acknowledged to me that they executed the same for and on behalf of the City of Bozeman. IN WITNESS WHEREOF, I have hereunto set my hand and affixed my seal on the day and year first above written. (SEAL) Notary Public for the State of Montana Printed Name: ________________________ Residing at My Commission Expires / /20 PUBLIC UTILITY AND ACCESS EASEMENT AND AGREEMENT Kardar, LLC, a Montana limited liability company, with a mailing address of 2001 Stadium Drive, Bozeman, Montana 59715, the GRANTOR(S), in consideration of $1.00 and other good and valuable consideration, receipt of which is acknowledged, grant(s) to the City of Bozeman, a Municipal Corporation of the State of Montana, with offices at 121 North Rouse Avenue, P.O. Box 1230, Bozeman, Montana 59771-1230, GRANTEE, its successors and assigns, a perpetual easement to lay, construct and maintain water pipelines with the usual services, valves, connections, accessories and appurtenances for the purpose of transmitting water in, through and across a strip of land situated in Gallatin County, Montana, 30 feet wide to be located on the following described real property: Tract 3A, Amended Plat of the Remainder of Tract 3, Block 1, Valley West Subdivision, located in the Northeast Quarter of Section 10, T. 2 S., R. 5 E. of P.M.M., City of Bozeman, Gallatin County, Montana. The easement is more particularly shown and dimensioned on the attached Exhibit A which by this reference are made a part hereof. This grant includes the right of the GRANTEE, its successors, permittees, licensees, and assigns and its and their agents and employees, to enter at all times upon the above-described land by using existing roads or trails or otherwise by a route causing the least damage and inconvenience to the GRANTOR(S) in order to survey and establish the route and location of the easement and the pipeline and to: (1) Construct, operate, patrol, repair, substitute, remove, enlarge, replace, and maintain the pipeline, services, connections, accessories and appurtenances; (2) Trim, remove, destroy, or otherwise control any trees and brush inside or outside the boundaries of the easement which may, in the opinion of the GRANTEE, interfere or threaten to interfere with or be hazardous to the construction, operation and maintenance of the pipeline; (3) Grade the land subject to this easement and extend the cuts and fills of this grading into and on the land adjacent to that which is subject to this easement to the extent GRANTEE may find reasonably necessary; and (4) Support the pipeline across ravines and water courses with structures which GRANTEE deems necessary. THE GRANTEE AGREES: (1) That, in connection with the construction, operating, patrolling, repairing, substituting, removing, enlarging, replacing, and maintaining of said sewer and water pipeline(s), it will repair or replace, at its sole expense, or pay to GRANTOR(S) the reasonable value of any damages to growing crops, existing fences, ditches and other appurtenances of said land that may be disturbed by its operation. (2) That, during operations involving excavation, it will remove the topsoil from the trenched area to a depth of one foot, or to the full depth of the topsoil, whichever is less, and stockpile said top soil for replacement over the trench. It will remove from the site any large rocks or surplus excavating material or any debris that may have been exposed by the excavation and remains after backfilling is completed. And, it will leave the finished surface in substantially the same condition as existed prior to the beginning of operations except that the surface of backfilled areas may be mounded sufficiently to prevent the formation of depressions after final settlement has taken place. THE GRANTOR(S) AGREES: (1) At no time will they build, construct, erect or maintain any permanent structure within the boundaries of said easement without the prior written consent of GRANTEE. (2) At no time will they modify the finished grade of the land over the pipeline by removal of existing soil or by placement of fill material within the boundaries of said easement without the prior written consent of the GRANTEE. (3) That where the subject improvements are not located under improved public or private streets or other provided access, a 12 foot wide all-weather access road may be constructed within the easement where at the City's discretion such access is required for operation and maintenance purposes. (4) The GRANTOR(S) warrants that they are lawfully seized and possessed of the real property described above, that they have a lawful right to convey the property, or any part of it, and that they will forever defend the title to this property against the claims of all persons. (5) The GRANTEE may peaceably hold and enjoy the rights and privileges herein granted without any interruption by the GRANTOR(S). The terms, covenants and provisions of this easement and agreement shall extend to and be binding upon the heirs, executors, administrators, personal representatives, successors and assigns of the parties hereto. DATED this ______ day of _____________________, 201 . KARDAR, LLC, a Montana limited liability company ________________________________ By: _________________, its _______________ STATE OF MONTANA ) ):ss County of Gallatin ) This instrument was signed or acknowledged before me this day of , 201 , by ________________, as _____________ of KARDAR, LLC, a Montana limited liability company. (SEAL) Notary Public for the State of Montana Printed Name: ________________________ Residing at My Commission Expires / /20 ACCEPTED: CITY OF BOZEMAN By: Andrea Surratt, City Manager ATTEST: _______________________________ Robin Crough, City Clerk STATE OF MONTANA ) ) ss. County of Gallatin ) On this ______ day of ___________________, 20 , before me, a Notary Public for the State of Montana, personally appeared ANDREA SURRATT and ROBIN CROUGH, known to me to be the City Manager and City Clerk for the City of Bozeman and the persons whose names are subscribed to the within instrument, and acknowledged to me that they executed the same for and on behalf of the City of Bozeman. IN WITNESS WHEREOF, I have hereunto set my hand and affixed my seal on the day and year first above written. (SEAL) Notary Public for the State of Montana Printed Name: ________________________ Residing at My Commission Expires / /20 G:\C&H\17\171293\Easements\Public Utility Easement.Docx SHARED PARKING & DRAINAGE EASEMENT KARDAR, LLC., a Montana limited liability company, with a mailing address of 2001 Stadium Drive, Bozeman, Montana 59715, GRANTOR, in consideration of One Dollar ($1.00) and other good and valuable consideration, receipt of which is acknowledged, grants to KARDAR, LLC, a Montana limited liability company, with a mailing address of 2001 Stadium Drive, Bozeman, Montana 59715, GRANTEE, its successors and assigns, an easement for shared parking and private drainage purposes, in, through and across the following described real property situated in Gallatin County, Montana, more particularly described as follows and on the attached Exhibit "A": Tract 3A, Amended Plat of the Remainder of Tract 3, Block 1, Valley West Subdivision, located in the Northeast Quarter of Section 10, T. 2 S., R. 5 E. of P.M.M., City of Bozeman, Gallatin County, Montana. The GRANTOR warrants that it is lawfully seized and possessed of the real property described above, that it has lawful right to convey the property, or any part of it, and that it will forever defend the title of the property against the claims of all persons. The GRANTOR further agrees that the GRANTEE may peaceably hold and enjoy the rights and privileges herein granted without any interruption by the GRANTOR. The terms, covenants and provisions of the easement and agreement shall extend to and be binding upon the heirs, executors, administrators, personal representatives, successors and assigns of the parties hereto. DATED this ______ day of _____________________, 201 . KARDAR, LLC, a Montana limited liability company ________________________________ By: _________________, its _______________ STATE OF MONTANA ) ):ss County of Gallatin ) This instrument was signed or acknowledged before me this day of , 201 , by ________________, as _____________ of KARDAR, LLC, a Montana limited liability company. (SEAL) Notary Public for the State of Montana Printed Name: ________________________ Residing at My Commission Expires / /20 ACCEPTED: DATED this ______ day of _____________________, 201 . KARDAR, LLC, a Montana limited liability company ________________________________ By: _________________, its _______________ STATE OF MONTANA ) ):ss County of Gallatin ) This instrument was signed or acknowledged before me this day of , 201 , by ________________, as _____________ of KARDAR, LLC, a Montana limited liability company. (SEAL) Notary Public for the State of Montana Printed Name: ________________________ Residing at My Commission Expires / /20 DESIGN REPORT STORMWATER MANAGEMENT VALLEY WEST SQUARE Prepared for: Kardar, LLC 2001 Stadium Drive, Bozeman, Montana 59715 Prepared by: C&H Engineering and Surveying, Inc. 1091 Stoneridge Drive, Bozeman, MT 59718 (406) 587-1115 Project Number: 171293 July 2018 INTRODUCTION The proposed Valley West Commercial Corner is a 5-lot office/retail development located on a 2.66-acre parcel in Section 10, Township 2 South, Range 5 East of P.M.M., Gallatin County, City of Bozeman. A combination of site grading, curb and gutter, storm inlets, piping, underground infiltration chambers, and swales will be used to manage stormwater runoff on the site. Supporting stormwater calculations are attached to this report. A Drainage Area Map is included in Appendix A. Calculations for each individual drainage area (total area, weighted C factor, and time of concentration) are included in Appendix B. RETENTION/DETENTION POND DESIGN All ponds have been sized according to City of Bozeman Design Standards. Retention facilities are sized to capture the entire volume of the 10-year 2-hour storm event. The retention ponds are designed with an effective water depth of 1.5 feet, and maximum side slope of 4:1. Calculations used for sizing each pond can be found in Appendix C. Design pond capacities were calculated using volume surfaces in AutoCAD Civil3D. EXISTING VALLEY WEST STORMWATER SYSTEM When the Valley West PUD Subdivision was originally designed, the stormwater system was designed to handle runoff from Tract 3A (this project). However, when originally sizing the ponds, a C-factor of 0.35 was applied to the whole area of Tract 3A. With this proposed layout, the new C-factor was calculated to be 0.80 and will therefore produce more runoff than what was originally designed for. Because of this, the Valley West Commercial Corner must retain 3,493 cubic feet of runoff on site before discharging into the existing stormwater system (see Appendix C). This will be accomplished with a combination of a pre-treatment retention pond and underground infiltration chambers. Proposed Retention Pond The proposed retention pond is located just north of the proposed alley that runs along the northern property line of the site. It receives runoff from Drainage Area 1, totaling 2.66 acres. This retention pond will infiltrate runoff but will also be a pre-treatment bay for the stormwater before runoff flows into the overflow structure and into the underground infiltration chambers. The proposed volume of the pond is 505 cubic feet and has a depth of 1’. Proposed Underground Infiltration Chambers The proposed underground infiltration chambers are located underneath the pavement within the alley. They receive runoff from Drainage Area 1, totaling 2.66 acres. The proposed volume of the underground infiltration chambers is 2,997 cubic feet, which, in addition to the 505 cubic feet of storage provided with the retention pond, is adequate to handle the additional runoff from this development. The underground infiltration chambers will have an overflow weir that will discharge into the existing 15” storm main within the subdivision stormwater system, but not before the required 3,493 cubic feet of runoff is retained. Sizing calculations for these chambers can be found in Appendix C. APPENDIX A DRAINAGE AREA MAP APPENDIX B DRAINAGE AREA CALCULATIONS DRAINAGE AREA #1 1. Calculate Area and Weighted C Factor Contributing Area C Area (ft 2)C * Area Hardscape 0.95 92239 87627 Landscape 0.20 23510 4702 Total 115749 92329 A = Area (acres)2.6572 C = Weighted C Factor 0.80 2. Calculate Tc (Time to Concentration) Tc Overland Flow Tc = 1.87 (1.1-CCf)D1/2/S1/3 Storm S = Slope of Basin (%) 2.00% Return (yrs)Cf C = Rational Method Runoff Coefficient 0.35 2 to 10 1 Cf = Frequency Adjustment Factor 1.1 11 to 25 1.1 D = Length of Basin (ft) 150 26 to 50 1.2 51 to 100 1.25 Tc Overland Flow (minutes)13.0 Tc Gutter Flow Tc = L/V/60 V = (1.486/n)R2/3 S1/2 n = Mannings Coefficient 0.013 R = Hydraulic Radius A/P (ft)0.13 (0.15' below top of curb) S = slope (%)1.20% L = length of gutter (ft)500 V = mean velocity (ft/s)3.28 Tc Gutter Flow (minutes) =2.5 Tc Total =15.5 (5 minute minimum) 3. Calculate Flow (Rational Formula) Q = CIA C = Weighted C Factor 0.80 (calculated above) I = 0.78 Tc-0.64 (in/hr)1.85 (25-yr storm) A = area (acres) 2.66 (calculated above) Q = REQUIRED GUTTER CAPACITY (cfs) 3.93 (assuming no carry flow) PROVIDED GUTTER CAPACITY 1. Calculate Gutter Capacity @ 0.15' Below Top of Curb Q = (1.486/n)AR2/3 S1/2 n = Mannings Coefficient 0.013 A = Area (ft2)1.24 (0.15' below top of curb) P = Wetted perimeter (ft) 9.23 (0.15' below top of curb) R = Hydraulic Radius A/P (ft) 0.13 (0.15' below top of curb) S = slope (%) 1.20% Q = PROVIDED GUTTER CAPACITY (cfs) 4.07 APPENDIX C POND SIZING CALCULATIONS REQUIRED VOLUME TO RETAIN ON-SITE REQUIRED VOLUME 1. Calculate Area and Weighted C Factor Contributing Area C Area (ft 2 )C * Area Hardscape 0.95 92239 87627 Landscape 0.20 23510 4702 Total 115749 92329 C=Weighted C Factor 0.80 2. Calculate Additional Required Volume Q = CIA V=7200Q C = Weighted C Factor 0.45 * I = intensity (in/hr) 0.41 (10 yr, 2hr storm) A = Area (acres) 2.66 Q = runoff (cfs) 0.49 V = REQUIRED VOL (ft3)3493 ** *Difference between previous C-factor (0.35) and proposed C-factor (0.80) UNDERGROUND INFILTRATION CHAMBERS REQUIRED VOLUME 1. Calculate Area and Weighted C Factor Contributing Area C Area (ft 2 )C * Area Hardscape 0.95 92239 87627 Landscape 0.20 23510 4702 Total 115749 92329 C=Weighted C Factor 0.80 2. Calculate Additional Required Volume Q = CIA V=7200Q C = Weighted C Factor 0.45 * I = intensity (in/hr) 0.41 (10 yr, 2hr storm) A = Area (acres) 2.66 Q = runoff (cfs) 0.49 V = REQUIRED VOL (ft3)2988 ** *Difference between previous C-factor (0.35) and proposed C-factor (0.80) **Required volume factors in the 505 cubic feet of storage the retention pond provides prior to stormwater entering the chambers. APPENDIX D EXISTING STORMWATER CALCULATIONS INSPECTION AND MAINTENANCE FOR STORMWATER MANAGEMENT FACILITIES The Property Owners Association shall be responsible for the maintenance of the stormwater drainage facilities within Valley West Commercial Corner development. Storm Water Facilities: 1. Drainage swales slope toward retention and detention ponds to collect storm water runoff and channel it to the retention or detention pond. 2. Retention Ponds collect storm water runoff and store the water until it evaporates and/or infiltrates into the ground. 3. Detention ponds collect storm water runoff while allowing some water to drain to another location. 4. Culverts are pipes which channel storm water from ditches or swales under roads. 5. Pipe Networks convey storm water to different discharge locations underground. 6. Inlets are facilities where storm water runoff enters a pipe network. Inlets include storm water manholes and drains. 7. Catch Basins are sumps typically located directly below storm water inlets and allow sediment to settle before storm water enters the pipe network. 8. Outlets are points where storm water exits a pipe network. 9. Drywells are underground storm water collection facilities that collect and temporarily store runoff from roof tops and landscaped areas before allowing storm water to infiltrate into the ground. Post Construction Inspection: 1. Observe drain time in retention ponds for a storm event after completion of the facility to confirm that the desired drain time has been obtained. If excessively slow infiltration rates are observed then excavate a minimum 5 ft by 5 ft drain to native gravels (or native well-draining material) and backfill with well-draining material (pit-run). 2. Observe that drywells, catch basins, and outlet structures are clear of any material or obstructions in the drainage slots. Inspect these structures to insure proper drainage following a storm event. Immediately identify and remove objects responsible for clogging if not draining properly. Semi-Annual Inspection: 1. Check retention ponds and dry wells three days following a storm event exceeding ¼ inch of precipitation. Failure for water to percolate within this time period indicates clogging or poor-draining soils. Clear any clogs and replace any poor-draining soils with well-draining gravely soils. 2. Check for grass clippings, litter, and debris in drainage swales, catch basins, dry wells, culverts and retention ponds. Flush and/or vacuum drywells or storm water pipes if excessive material is observed in the facilities. Standard Maintenance: 1. Remove sediment and oil/grease from retention ponds and detention 2. Inspect and remove debris from drainage swales, catch basins, dry wells, and retention ponds. Use a vacuum truck to clean catch basins and dry wells. 3. Monitor health of vegetation and revegetate as necessary to maintain full vegetative cover. 4. Inspect for the following issues: differential accumulation of sediment, drain time, signs of petroleum hydrocarbon contamination (odors, oil sheen in pond water), standing water, trash and debris. Sediment accumulation: In most cases, sediment from a retention pond does not contain toxins at levels posing a hazardous concern. However, sediments should be tested for toxicants in compliance with current disposal requirements and if land uses in the drainage area include commercial or industrial zones, or if visual or olfactory indications of pollution are noticed. Sediments containing high levels of pollutants should be disposed of in accordance with applicable regulations and the potential sources of contamination should be investigated and contamination practices terminated. Underground stormwater detention and infiltration systems must be inspected and maintained at regular intervals for purposes of performance and longevity. Inspection Inspection is the key to effective maintenance of CMP detention systems and is easily performed. Contech recommends ongoing, quarterly inspections. The rate at which the system collects pollutants will depend more on site specific activities rather than the size or configuration of the system. Inspections should be performed more often in equipment washdown areas, in climates where sanding and/or salting operations take place, and in other various instances in which one would expect higher accumulations of sediment or abrasive/corrosive conditions. A record of each inspection is to be maintained for the life of the system. Maintenance CMP detention systems should be cleaned when an inspection reveals accumulated sediment or trash is clogging the discharge orifice. Accumulated sediment and trash can typically be evacuated through the manhole over the outlet orifice. If maintenance is not performed as recommended, sediment and trash may accumulate in front of the outlet orifice. Manhole covers should be securely seated following cleaning activities. Contech suggests that all systems be designed with an access/inspection manhole situated at or near the inlet and the outlet orifice. Should it be necessary to get inside the system to perform maintenance activities, all appropriate precautions regarding confined space entry and OSHA regulations should be followed. Systems are to be rinsed, including above the spring line, annually soon after the spring thaw, and after any additional use of salting agents, as part of the maintenance program for all systems where salting agents may accumulate inside the pipe. Maintaining an underground detention or infiltration system is easiest when there is no flow entering the system. For this reason, it is a good idea to schedule the cleanout during dry weather. The foregoing inspection and maintenance efforts help ensure underground pipe systems used for stormwater storage continue to function as intended by identifying recommended regular inspection and maintenance practices. Inspection and maintenance related to the structural integrity of the pipe or the soundness of pipe joint connections is beyond the scope of this guide. Contech® CMP Detention Inspection and Maintenance Guide CMP MAINTENANCE GUIDE 2/17 PDF © 2017 Contech Engineered Solutions LLC All rights reserved. Printed in USA. ENGINEERED SOLUTIONS NOTHING IN THIS CATALOG SHOULD BE CONSTRUED AS A WARRANTY. APPLICATIONS SUGGESTED HEREIN ARE DESCRIBED ONLY TO HELP READERS MAKE THEIR OWN EVALUATIONS AND DECISIONS, AND ARE NEITHER GUARANTEES NOR WARRANTIES OF SUITABILITY FOR ANY APPLICATION. CONTECH MAKES NO WARRANTY WHATSOEVER, EXPRESS OR IMPLIED, RELATED TO THE APPLICATIONS, MATERIALS, COATINGS, OR PRODUCTS DISCUSSED HEREIN. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE ARE DISCLAIMED BY CONTECH. SEE CONTECH’S CONDITIONS OF SALE (AVAILABLE AT WWW.CONTECHES.COM/COS) FOR MORE INFORMATION CMP DETENTION SYSTEMS 1 Luke Stein, E.I. From:Griffin Nielsen <GNielsen@BOZEMAN.NET> Sent:Friday, June 08, 2018 1:42 PM To:Luke Stein, E.I. Cc:Matt Hausauer Subject:RE: Request for Waiver of Traffic Impact Study (Application #18-010) Luke, Based on the provided estimates for peak hour trips for the proposed project a traffic impact study is not required. This email will serve as a waiver for this requirement. Regards, City of Bozeman MT Griffin Nielsen, EIT| Engineering Department 406.582.2280 gnielsen@bozeman.net From: Luke Stein, E.I. <lstein@chengineers.com> Sent: Thursday, May 31, 2018 3:25 PM To: Griffin Nielsen <GNielsen@BOZEMAN.NET> Cc: Matt Hausauer <mhausauer@chengineers.com> Subject: Request for Waiver of Traffic Impact Study (Application #18‐010) Hi Griffin, I hope all has been well! I am emailing because I’d like to confirm that a traffic impact study will not be required for the Valley West Corner Site Plan (City Application #18‐010). The proposed 5 commercial lots have a combined floor area of 38,000 sf. Bob Abelin advised us to use the “Business Park” ITE code for this project, which results in an 1.40 vehicle trips per ksf in the AM and 1.26 vehicle trips per ksf in the PM (ITE Trip Generation Rates – 9th Edition). This results in a peak hour trip of 53 and 48 trips for the AM and PM, respectively. This is well below the 100 peak hour trip threshold as typically required for TIS by the ITE Manual. Thank you, and I look forward to hearing back from you. Thanks, Luke Stein, E.I. Project Manager www.chengineers.com WAIVER OF RIGHT TO PROTEST CREATION OF SPECIAL IMPROVEMENT DISTRICTS FOR: Valley West Square Subdivision We, the undersigned Owners of the real property situated in the County of Gallatin, State of Montana, and more particularly described as follows: Tract 3A, Amended Plat of the Remainder of Tract 3, Block 2, Valley West Subdivision, located in the Northwest Quarter of Section 10, Township 2 South, Range 5 East of P.M.M., City of Bozeman. Gallatin County, Montana. IN CONSIDERATION of receiving master site plan approval from the City of Bozeman for the Valley West Square Subdivision, along with accompanying rights and privileges and for other valuable consideration, the receipt of which is hereby acknowledged, and in recognition of the impacts to City transportation and infrastructure systems that will be generated by the development of the above-described property, do hereby for ourselves, our heirs, personal representatives, successors and assigns, waive the right to protest the creation of one or more special improvement districts (SID’s) for the following: 1. Street improvements to North Cottonwood Road including paving, curb/gutter, sidewalk, and storm drainage. 2. Street improvements to Babcock Street including paving, curb/gutter, sidewalk, and storm drainage. 3. Intersection improvements to North Cottonwood Road and Babcock Street. 4. Intersection improvements to North Cottonwood Road and Durston Road. 5. Intersection improvements to North Cottonwood Road and Huffine Lane. 6. Intersection improvements to North Ferguson Avenue and Babcock Street. Or to make any written protest against the proposed work or against the extent or creation of the districts (SID’s) to be assessed in response to a duly passed resolution of intention to create one or more special improvement districts which would include the above-described property. In the event an SID is not utilized for the completion of these improvements, the developer agrees to participate in an alternate financing method for the completion of said improvements on a fair share, proportionate basis as determined by square footage of property, taxable valuation of the property, traffic contribution from the development or a combination thereof. This waiver shall be a covenant running with the land and shall not expire with the dissolution of the limited liability company, provided however this waiver shall apply to the lands herein described. The terms, covenants and provisions of this waiver shall extend to, and be binding upon the successors-in-interest and assigns of the Landowner. DATED this _____ day of __________________, 201___. PROPERTY OWNERS: Tract 3A – Kardar, LLC __________________________________________ By: __________________________ Its: __________________________ STATE OF MONTANA ) :ss COUNTY OF GALLATIN ) On this _____ day of _______________, 201___, before me, the undersigned, a Notary Public for the State of Montana, personally appeared ____________________, known to me to be _________________________ of Kardar, LLC, a Montana Limited Liability Company, and acknowledged to me that they executed the same for and on behalf of said limited liability company. IN WITNESS WHEREOF, I have hereunto set my hand and affixed my Notarial Seal the day and year first above written. (SEAL) Notary Public for the State of Montana Printed Name: ______________________ Residing at _________________________ My Commission Expires:______________ G:\C&H\17\171293\Plat - Preliminary\Waiver Of SIDS.Doc DESIGN REPORT WATER & SEWER MANAGEMENT VALLEY WEST SQUARE SUBDIVISION Prepared for: Kardar, LLC 2001 Stadium Drive; Bozeman, MT 59715 Prepared by: C&H Engineering and Surveying, Inc. 1091 Stoneridge Drive, Bozeman, MT 59718 (406) 587-1115 Project Number: 171293 January 2019 Design Report - Page 2 of 7 INTRODUCTION The proposed Valley West Sqaure Subdivision is a 6-lot commercial subdivision located on Tract 3A, Amended Plat of the Remainder of Tract 3, Block 1, Valley West Subdivision. This project will require connection to existing City of Bozeman water and sanitary sewer systems. WATER SYSTEM LAYOUT The Valley West Square Subdivision will tap into the existing 8” water mains running along Cottonwood Road and Stafford Avenue for the services. The proposed hydrant will tap into the existing 8” main running along Stafford Avenue. A WaterCAD analysis is enclosed at the end of the report analyzing the proposed hydrant to be installed with this project. The connection to the existing system was modeled as a pump curve using data obtained from the City of Bozeman Water Department: static, residual and pitot pressures were read at the hydrant located at the intersection of Babcock Street/Pond Lily Drive. This test was performed on August 16, 2018. This data was used to develop the pump curve used at the connection point to model the existing system. The following equation based off of the Hazen Williams method is used to generate the pump curve: Q = Qf x ((Ps - P) / (Ps - Pr))0.54 Where: Q = flow predicted at desired residual pressure, Qf = total flow measured during test, Pr= residual pressure during test, Ps = static pressure and P = residual pressure at the desired flow rate. In the model, the pump is connected to a reservoir which acts as a source of water. The elevation of the reservoir is fixed at the elevation of the pump, which is also equivalent to the elevation of the tie-in point. The reservoir does not create any head on the system; the head is generated entirely by the pumps. The input data and the pump curves are included at the end of the report. The pump curve table includes all calculations and equations used in determining flow characteristics at the connection point. A C-factor of 130 was chosen for ductile iron class 51 pipe. WATER DISTRIBUTION SYSTEM SIZING The average daily usage for this project is found by adding 5% to the daily wastewater generation Design Report - Page 3 of 7 based on the original Valley West Trunk Main numbers (see next section for wastewater generation calculations): Average Daily Usage = (4,536 gallons per day) + 5% = 4,763 gpd Water Demands (Demand Junction 1) Average Day Demand = 4,536 + 5% = 4,763 gpd = 3.3 gpm Maximum Day Demand = 3.3 gpm x 2.3 = 7.6 gpm Peak Hour Demand = 3.3 gpm x 3.0 = 9.9 gpm Available Pressure: 8-inch class 51 ductile iron main Babcock Street/Pond Lily Drive Static = 75 psi Residual = 64 psi Pitot (2.5” nozzle) = 60 Flowing = 1,300 gpm HYDRAULIC ANALYSIS A water distribution model was created using WaterCAD Version 10.01.00.72 for demand forecasting and describing domestic and fire protection requirements. In order to model the system, each junction node of the water distribution system was assessed a demand based on its service area. The table shown below quantifies the demands placed at the junction nodes and calculates the demands for Average Day, Maximum Day and Peak Hour within the subdivision. The peaking factor for each case is 1, 2.3 and 3.0 respectively. Valley West Square Subdivision (Table 1): DEMAND JUNCTION NODE AVERAGE DAY GPM MAX. DAY GPM PEAK HOUR GPM DJ 1 3.3 7.6 9.9 Total 3.3 7.6 9.9 Design Report - Page 4 of 7 CONCLUSION The existing 8-inch DIP water mains provide adequate capacity to serve the subdivision under the Peak Hour Demand condition. The flows and pressures within the system for the Peak Hour Demands were generated with the WaterCAD program and can be found in Appendix A. The capacity of the system to meet fire flow requirements was tested by running a steady state fire flow analysis for all junctions at fire hydrant locations. The model shows that all hydrant junctions satisfy fire flow constraints (residual pressure > 20 psi, flow rate > 1500 gpm), while providing service to lots at peak hour. The results of the analysis at peak hourly flow are given in Appendix A. SANITARY SEWER SYSTEM The Valley West Square Subdivision does not propose any new sewer mains. All sewer services will flow to existing sanitary sewer mains within Cottonwood Road, Babcock Street, and Stafford Avenue. ORIGINAL VALLEY WEST TRUNK MAIN ANALYSIS During the original platting of the Valley West Subdivision, a Valley West Trunk Main report was submitted analyzing the wastewater generation rates for the entire Valley West Subdivision. The total peak wastewater flow rate allocated for this property is 569 gal/hour. Below is a table summarizing the wastewater allocation for Tract 3A. Design Report - Page 5 of 7 Valley West Commercial Corner (171293) Sewer Calculations [Original Trunk Main Numbers] population per acre* 13.3 persons/ac population 35 people peaking factor* 3.20 assumed infiltration rate** 150 gallons/acre/day lot area 2.66 acres infiltration rate 399 gpd wastewater generation rate* 117 gal/day/person Average Wastewater Flow Rate 3 gpm Average Wastewater Flow Rate 189 gallons per hour Peak Wastewater Flow Rate 9 gpm Peak Wastewater Flow Rate 569 gallons per hour *Based on original numbers used in the Valley West Trunk Main Design Report **Based on City of Bozeman Design Standards SEWER SYSTEM CALCULATIONS Additional calculations were performed for Tract 3A using comparable numbers from The Ferguson Farm Subdivision and The Ridge Athletic Club Subdivision (see table below) and were compared to the original trunk main numbers. According to these calculations, this project will produce less wastewater than the original trunk main report allocated. Valley West Commercial Corner (171293) Sewer Calculations number of employees* 0.4412 persons/100 sf total floor area 38,000 sf total employees 168 employees peaking factor** 4.17 assumed infiltration rate*** 150 gallons/acre/day lot area 2.66 acres infiltration rate 399 gpd wastewater generation rate**** 13 gal/day/employee Average Wastewater Flow Rate 2 gpm Average Wastewater Flow Rate 107.4 gallons per hour Peak Wastewater Flow Rate 7 gpm Peak Wastewater Flow Rate 396 gallons per hour Design Report - Page 6 of 7 *Based on comparison with similar building uses constructed within the Ferguson Farm and Ridge Athletic Club Subdivisions **Calculated per Harmon Formula ***Based on City of Bozeman Design Standards ****Based on Montana DEQ Circular 4 standards for commercial wastewater generation CONCLUSION Based on the above calculations, this project will not exceed the original wastewater allocation for this lot from the Valley West Trunk Main Report. Due to the uncertainty of the proposed building uses, this project will utilize a sanitary sewer tracking mechanism with individual site plan applications to ensure that the allocated wastewater flow is not exceeded. Design Report - Page 7 of 7 APPENDIX A WATERCAD MODEL Scenario Summary Report Scenario: Base Scenario Summary 1ID BaseLabel Notes Base Active TopologyActive Topology Base PhysicalPhysical Base DemandDemand Base Initial SettingsInitial Settings Base OperationalOperational Base AgeAge Base ConstituentConstituent Base TraceTrace Base Fire FlowFire Flow Base Energy CostEnergy Cost Base TransientTransient Base Pressure Dependent DemandPressure Dependent Demand Base Failure HistoryFailure History Base SCADASCADA Base User Data ExtensionsUser Data Extensions Base Calculation OptionsSteady State/EPS Solver Calculation Options Base Calculation OptionsTransient Solver Calculation Options Hydraulic Summary Steady StateTime Analysis Type TrueUse simple controls during steady state? Hazen- WilliamsFriction Method FalseIs EPS Snapshot? 0.001Accuracy 12:00:00 AMStart Time 40Trials Fire FlowCalculation Type Page 1 of 127 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-16661/28/2019 WaterCAD CONNECT Edition Update 1[10.01.00.72]Bentley Systems, Inc. Haestad Methods Solution Center171293 WaterCAD Model.wtg Scenario: Base P-3Page 1 of 127 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-16661/28/2019 WaterCAD CONNECT Edition Update 1[10.01.00.72]Bentley Systems, Inc. Haestad Methods Solution Center171293 WaterCAD Model.wtg Pump Definition Detailed Report: HYD 2669 Element Details 33ID Notes HYD 2669Label Pump Curve Head (ft) Flow (gpm) 173.080 161.54849 150.001,235 138.461,537 126.921,795 115.382,025 103.852,235 92.312,429 80.772,610 69.232,782 57.692,945 46.153,100 34.623,249 23.083,393 11.543,531 0.003,665 Pump Efficiency Type Best Efficiency Point Pump Efficiency Type %100.0Motor Efficiency %100.0BEP Efficiency FalseIs Variable Speed Drive? gpm0BEP Flow Transient (Physical) lb·ft²0.000Inertia (Pump and Motor)SI=25, US=1280Specific Speed rpm0Speed (Full)TrueReverse Spin Allowed? Page 1 of 227 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-16661/28/2019 WaterCAD CONNECT Edition Update 1[10.01.00.72]Bentley Systems, Inc. Haestad Methods Solution Center171293 WaterCAD Model.wtg Pump Definition Detailed Report: HYD 2669 Graph Head (ft)175.00 150.00 125.00 100.00 75.00 50.00 25.00 0.00 Pump Efficiency (%)125.0 112.5 100.0 87.5 75.0 62.5 50.0 37.5 25.0 12.5 0.0 Flow (gpm) 3,5003,0002,5002,0001,5001,0005000 Page 2 of 227 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-16661/28/2019 WaterCAD CONNECT Edition Update 1[10.01.00.72]Bentley Systems, Inc. Haestad Methods Solution Center171293 WaterCAD Model.wtg Fire Flow Node FlexTable: Fire Flow ReportJunction w/ Minimum Pressure (System)Pressure (Calculated Zone Lower Limit)(psi)Pressure (Zone Lower Limit)(psi)Pressure (Calculated Residual)(psi)Pressure (Residual Lower Limit)(psi)Flow (Total Available)(gpm)Flow (Total Needed)(gpm)Fire Flow (Available)(gpm)Fire Flow (Needed)(gpm)LabelDJ 129020201,5371,5001,5371,500HYD 1Page 1 of 127 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-16661/28/2019WaterCAD CONNECT Edition Update 1[10.01.00.72]Bentley Systems, Inc. Haestad Methods Solution Center171293 WaterCAD Model.wtg FlexTable: Junction Table Pressure (psi) Hydraulic Grade (ft) Demand (gpm) Demand CollectionElevation (ft) Label 75173.0710<Collection: 1 items>0.00DJ 1 75173.070<Collection: 0 items>0.00HYD 1 Page 1 of 127 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-16661/28/2019 WaterCAD CONNECT Edition Update 1[10.01.00.72]Bentley Systems, Inc. Haestad Methods Solution Center171293 WaterCAD Model.wtg FlexTable: Pipe TableHeadloss Gradient(ft/ft)Hydraulic Grade (Stop)(ft)Hydraulic Grade (Start)(ft)Velocity(ft/s)Flow(gpm)Minor Loss Coefficient (Unified)Hazen-Williams CMaterialDiameter(in)Length (User Defined)(ft)Label0.000173.07173.070.0001.670130.0Ductile Iron6.074P-10.0000.000.000.00100.000150.0PVC999.01P-20.000173.07173.080.06106.790130.0Ductile Iron8.01,500P-3Page 1 of 127 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-16661/28/2019WaterCAD CONNECT Edition Update 1[10.01.00.72]Bentley Systems, Inc. Haestad Methods Solution Center171293 WaterCAD Model.wtg