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SINA ESTATES Preliminary Plat Narrative FOR SINA ESTATES PP22-02 GLENDALE, ARIZONA Preliminary Plat Project Narrative SINA ESTATES GLENDALE, ARIZONA PREPARED BY: NIKSI 13951 N. SCOTTSDALE RD. SUITE 211 SCOTTSDALE AZ 85254 City of Glendale Received September 20, 2023 Sina Estates _ Preliminary Plat Project Narrative TABLE OF CONTENTS Legal Description ………………………………………………………………………. 3 Project Description ……………………………………………………………………….. 3 Project Proposal ……………………………………………………………………..…. 3 Site Circulation ………………………………………………………………………... 4 Traffic ……………………………………………………………….…….…. 4 Pedestrian-accessible routes and paths …………….………………………………….. 4 Open Spaces ………………………. …………….………………………………….. 5 Development Standards & Zoning Classification …………….…………………………. 7 Typical Standards & Lot Details …………..…………….…………………………………. 7 Grading & Drainage ……………………………………….…………………………………. 8 Flood Plain Managment ………………………………….…………………………………. 8 Storm Water Management ……………………………….………………………………… 9 Water & Sewer …………………………………………….………………………………… 9 Landscaping Concept …………………………………….………………………………… 9 Conceptual Site Designs Schematics .……………….………………………………… 10 Entrance Sign Concept Site Walls_Decorative Amenities & Tot Lot Schematics Pergolas/Ramadas for Barbeque Mailbox Kiosk Playground Structures Half-basketball Court Conceptual Residencial Design Schematics ………….………………………………. 13 Residential Lot Designs .……………………………….………………………………. 13 Conditions, Covenants & Restrictions ………………….………………………………. 14 Utilities and Services ……………………………………….……………………………… 14 Community Facilities and Services ……………………….……………………………… 14 Conclusion …………………………………….…………….……………………………… 15 2 Sina Estates _ Preliminary Plat Project Narrative LEGAL DESCRIPTION The proposed Sina Estates is located on a parcel of land that is approximately 5.98 acres within the City of Glendale. The parcel is identified on the Maricopa County Assessor’s map as parcel 142-27-004. The property is located in Township 2 North, Range 1 East, in Section 2 of the Gila and Salt River Base and Meridian, Maricopa County, Arizona. PROJECT DESCRIPTION Sina Estates is a proposed master planned community to be composed of 21 residential property parcel lots. These parcels reside on approximately 5-6 acres located in the City of Glendale, Arizona. Sina Estates is located at 7111 N 83rd Ave, Glendale, AZ 85303. Nearby sectors include commercial property on the north, residential properties along 81st Ave to the East, and vacant land on 83rd Ave to the West. PROJECT PROPOSAL The intent of the proposal is to preliminary plat the lots within Sina Estates for a proposed preliminary single-family residential neighborhood with public streets located north of the intersection of Glendale Avenue and 83rd Avenue. Within this preliminary project proposal, a design concept for a new residential community for development will be proposed to incorporate property lots, open spaces, and amenities within its preliminary site development with Civil Grading and Drainage, Landscaping, and proposed residential design development proposals for Sina Estates. Sina Estates will provide family residences in the desired area of Glendale. Sina Estates subdivision will accommodate 21 residential homes that will be one story or two stories. The homes will vary from 2,100 square feet to 4,100 square feet within the property lots following setbacks to the R1-4 PRD zoning. The houses in the residential subdivision will stagger along the front to create a separation between the homes. In addition, open spaces or tracts (referenced in plans) will provide breaks between the staggered rows of housing and have open green spaces with a playground for children to play. Sina Estates' design proposal includes other amenities that include additional open space/green spaces on the south end of the community, a half basketball court, and covered pergolas. Sina Estate's proposed housing will conform with the R1-4 PRD zoning and comply with the small lot development standards. 3 Sina Estates _ Preliminary Plat Project Narrative The open space for Sina Estates along the south side of the property will serve as retention basins for stormwater and landscape areas. Sidewalks will provide leading access to the open space areas. Some of the open spaces will serve as recreational spaces for the residents to use. The Landscape Plan will include trees for shade, bushes, grass for open spaces, and gravel. SITE CIRCULATION Sina Estates will have access to and from 83rd Avenue and 81st Avenue for site connections. TRAFFIC Access points from 83rd Avenue and 81st Avenue will be accessible to the site as well as the access points for main roads. There will be a two-way road that will span across the site from 83rd Avenue to 81st Avenue for residents to use to access their driveways to their homes. A street choker will be located halfway past the midpoint of the road, approximately 590 feet from 83rd Avenue, to slow down car traffic. PEDESTRIAN-ACCESSIBLE ROUTES AND PATHS Sina Estates will have accessible routes and paths in the community for pedestrians to walk and enjoy safely as designed in the site plan to travel between the open spaces and proposed residential lots. The proposed plan for Sina Estates includes newly installed sidewalks and pathways on the South of the site. A new six-foot concrete pathway sidewalk located within Tract A is a deliberate and well-designed concrete pathway that spans from the West to the East of the site, passing through Tract A that provides a trail path for the community. The pathway design and purpose is to provide a new movement and connectivity within the Sina Estates site with the community's ability to travel the different designed elements of Tract A including an open space for retention basins, recreational activities, and landscaping. This new concrete trail pathway sidewalk provides a curvature appeal that suggests that the open space is not just a linear straight path but provides a different approach to circulation on the site. The newly proposed sidewalk pathway will extend to match the sidewalk to the South adjacent to N 83rd Avenue. The path will provide a visually appealing and engaging experience for walking and strolling through the open space that is different from the adjacent sidewalk installed along the West side of Midway Avenue that spans between 83rd Avenue and 81st Avenue. 4 Sina Estates _ Preliminary Plat Project Narrative OPEN SPACES This is the notification of the updated revision that occurred on the Glendale Project of Sina Estates located at 7111 N 83rd Ave, Glendale, AZ 85303. The previous Sina Estates Project was adjusted to accommodate City of Glendale requirements which were altered to the site and the R1-4 PRD zoning. The prior existing Sina Estates Planned acquired 23 homes with single Tract B for space for the community to use in addition to the open separator between the row of homes. The current and revised plan of Sina Estates includes 1.17 acres of total open space which includes five tracts. The five different tracts within the open space are designed with specific purposes and amenities. The designed site provides these proposed different tracts, including different amenities and designated spaces for four separate Retention Basins, playground recreational areas, and landscaping. Located at the West of the project site will be the designated Tract A which includes open space for the community to use for recreational activities. The Tract A space can be used as open green space for children or the community to use within the different divisions that are separated by the concrete pathway that offers a convenient and accessible route for people in the community within this connected area of retention basins, recreational amenities, and landscaping. The retention basins are planned within the open space to manage stormwater runoff and prevent flooding but also be an open space for community usage within the various landscaping. The landscaping areas are integrated into the open space plan to include features of trees, shrubs, and other greenery to enhance the aesthetic and ecological value of the space. It will also provide an open green space where people can gather, relax, and participate in various outdoor activities like the proposed half-court basketball court, pergola for barbeque, and playground equipment for recreational purposes. This new project proposal includes an additional Tract space on the North side where the housing is proposed. This will change the amount of homes from 23 down to 21 home lots. Tract E will be located between lot 8 and lot 9 while Tract B will be between lot 16 and 17. The Tract E will be another recreational playground area space for the families living in the community. As proposed in the site and landscaping plan; Tract E will be designed with two separate 200 square footage (20’x10’) pergola/ramadas that have a shared green space that is designated for an open space playground area. In addition, Tract B is a retention basin with granite rock to be used when not occupied by the community and Sina Estates' new residents. These tracts have been placed between the housing as a breakage between homes to provide a barrier and outdoor 5 Sina Estates _ Preliminary Plat Project Narrative space for the community. Tract E has been specifically designed for the use of the playground area for the children. A place for families to enjoy recreational activities for play between the pergola/ramadas. The designated open spaces of Tract E and B are designed for the community. Since the retention area located in Tract B can’t be adjusted smaller, Tract E would not be a basin and would be the new additional open space area to the plan. From the prior site plan, this new addition of Tract E is designed for a second breakage between the row of the 21 homes. Tract E is 35 feet wide and was made larger than Tract B to accommodate any amenities closer to the housing lots on the north side of the road. On the north end of Tract B and Tract E spaces were planned due to the available lot sizes after the removal of two proposed housing lots. The following efforts were made to maximize the most open area within Tract E with the available space. In addition, Tract C and Tract D are areas on the entrance north corners of the site. Tract C is located East of the site by 81st Avenue and Tract D is on the West entrance by 83rd Avenue. These tracts are spaces that separate the roads from the housing lots which will have proposed landscaping. The once previous Retention Basin D that was planned within Tract A was removed and then relabeled as a Retention Basin in Tract B to the North side of the lot. The previous fourth basin for Tract A that was proposed to the south was adjusted for Tract A to provide a new open space for recreational activities within Tract A. The newly adjusted Retention Basins A, B, and C have been adjusted according to the civil site plans by increasing the depth of the Retention Basins A, B, and C located on the South side of the site. Retention Basins A, B, and C are Retention Basins with grass which when not in use with water can be used by the community. In addition, the three south Retention Basins A, B, and C will have trails surrounding their exterior perimeter to connect a pathway between these three basins. Due to the depth increase of the Retention Basins A, B, and C located at the South side of the site; a new dry-well is located within Retention Basin A. Then all basins A, B, and C are connected with a culvert storm drain as a connection drainage between the three basins that slope gradually towards the West of the site to follow the site proposed site contour for Grading and Drainage site planning. Located south on the site near 83rd Ave is a dedicated landscape area which will include plants that can be referenced to the landscape plan. This area of landscape will have a 30-foot by 30-foot half-court basketball. A proposed 10-foot by 20-foot pergola for barbeque (BBQ) will be placed near the half-basketball court. On the north side of 6 Sina Estates _ Preliminary Plat Project Narrative the landscape, area will be a concrete pathway on the exterior that will connect with the other south Retention Basins and provide circulation. Throughout Tract A; a cohesive preliminary plat design has been constructed for the drainage and landscaping of this new residential community development. DEVELOPMENT STANDARDS & ZONING CLASSIFICATION The proposed Sina Estates community shall adhere to the following development standard of R1-4 PRD: TYPICAL STANDARDS & LOT DETAILS In accordance with R1-4 PRD zoning standards, the typical lot layout for Sina Estates project proposes a maximum structure height of 30 feet, a rear setback of 15 feet, a street side setback of 10 feet from the right-of-way, and a front setback of 15’ to the living area and 20’ from the face of the garage to the right-of-way. Local-to-local street intersections will have a 30-foot by 30-foot unobstructed view easement. The modified development standards, proposed by the development area standard side setback of 5 feet and 5 feet, minimum lot width of 50 feet, lot depth of 106 feet as shown in R1-4 PRD, maximum lot coverage of 54% as shown in R1-4 PRD, and a lot area of 5,3000 square feet. It should be noted that while this request proposed a 5-foot side yard setback, there shall be a 5-foot use and benefit easement between each of the lots. This means that the plan actually provides a 10-foot clear zone between adjacent homes with no walls. 7 Sina Estates _ Preliminary Plat Project Narrative GRADING & DRAINAGE: The existing topography of the proposed development site, which is generally flat, has a gradual slope from the East to the West. Retention basins that will be designed to meet local requirements of a 100-year 2-hour storm event and shall drain the site such that the ultimate outfall shall be towards the 83rd Avenue right-of-way at the southwest corner of the site. The site’s drainage shall be designed and constructed in accordance with the City of Glendale Engineering Design and Construction Standards. FLOODPLAIN MANAGEMENT: FLOODPLAIN MANAGEMENT Regulations will be provided for the subdivision of land, and construction of the proposed Sina Estates residential community will conform to the flood plain management chapter 17 of Glendale, Arizona’s codes and ordinances. Displayed in the Grading and Drainage set of plans by Saiff Engineering will display constructive plans for the preliminary plat of Sina Estates. The Grading and Drainage plans display retention basin calculations, site cross sections, and easements in correspondence to the site location with the FEMA floodplain designation. FEMA FLOODPLAIN DESIGNATION The subject property is located within shaded zone “x” defined as “areas of 0.2% annual chance flood; areas of 1% annual chance flood with average depths of less than 1 foot or with drainage areas less than 1 square mile; and the area protected by levees from 1% annual chance flood, per fir map number 400371715L dated October 16, 2013. Zone X (Shaded) is defined as follows: Zone X (Shaded): The flood insurance rate zone that corresponds to areas outside the 100-year floodplains, areas of 100-year sheet flow flooding where average depths are less than 1 foot, 8 Sina Estates _ Preliminary Plat Project Narrative areas of 100-year stream flooding where the contributing drainage area is less than 1 square mile or areas protected from the 100-year flood by levees. No base flood elevations or depths are shown within this zone STORM WATER MANAGEMENT: STORM WATER MANAGEMENT Storm Water Management plans drafted by SAIF Engineering LLC, is a comprehensive plan to limit off-site sedimentation during development and construction; in planning considerations of proposed grading and drainage plans. All other stormwater requirements will adhere to the City of Glendale standards. WATER & SEWER: The existing sewer line in 83rd Avenue is 21 inches and is at a suitable depth to serve the proposed development. The existing sewer has no known paybacks associated with the site according to the City of Glendale planning and engineering departments. The existing 12-inch water line on 83rd Avenue will be looped through the proposed Sina Estates development to the existing 8-inch water line on 81st Avenue. Existing water has no known paybacks associated with the site according to the City of Glendale Planning and Engineering departments. The proposed development lies within the domestic water service area of the City of Glendale, which is designated as having an assured water supply pursuant to Section 45-576 of Arizona Revised Statutes. 8” water lines per City standard should be installed at depths of 3 feet below finished grade. LANDSCAPE CONCEPT The landscape plan documents for Sina Estates were prepared by Everett Landscape Architecture (ELA); to propose landscaping with plans and ground covers and site irrigation. The proposed landscaping design was to provide a palette of drought-tolerant low-water use plants, shading street trees, and meandering landscaping from the 9 Sina Estates _ Preliminary Plat Project Narrative proposed site plan of sidewalks, concrete paths, half-court, ramadas, tracts, and retention basins. The landscaping concept also was meant to keep in mind the safety of pedestrians when using recreational amenities within the site. For example, in the revised landscaping from the new Tract E; low shrubs were incorporated towards the sidewalk of E. Midway Avenue as a protection barrier in Tract E’s Bermuda grass for the open space at the center designated for recreational play between the two pergolas/ramadas. The landscaping concept design was designed to provide a well-constructed site concept proposal for a visually appealing community between 83rd Avenue and 81st Avenue, by displaying a range of plants, ground textures, amenities, and irrigation connections for the proposed Sina Estates preliminary design. CONCEPTUAL SITE DESIGN SCHEMATICS The conceptual site design schematics were prepared by Niksi Architecture for the proposed Glendale development to Sina Estates for conceptual design references. The schematics for the reference schematic renders will include tot-lot concepts for a subdivision entrance sign wall, exterior site wall concepts, mailbox kiosks, and recreational amenities within the open spaces. From the architectural conceptual design schematics for reference designs; Sina Estates concept design for the subdivision is designed to display a cohesive and seamless community. As referenced in the architectural conceptual design sheets; the site plat development will incorporate twenty-one residential lots within a proposed new residential community to be labeled with a subdivision entrance sign wall called Sina Estates. The entrance sign wall concept design will be a six-foot max block wall covered in stucco and two block columns on each side of the wall covered in a stone veneer below a wall cap. On the base of the wall, a proposed precast garden box covered in a stone veneer finish will be placed a minimum of 18 inches from the proposed new finished grade of the ground. The proposed precast garden box will allow plants for a contrast of color and visual effect that mimics the proposed surrounding landscaping construction plans. The concept for a plant box with the proposed entrance wall sign will give a nice visual effect to the lettering on the stucco wall that is framed with the stone veneer on the sides and the bottom frame of the plant box. This design concept for the subdivision entrance sign wall is the conceptual idea that will be an indicator of this new community from North 83rd Avenue and Country Road on North 81st Avenue. The proposed site signage will be designed to not impede any sight visibility triangles for entrance to the new community of Sina Estates to the Midway Avenue that is proposed for the new road for Sina Estates between North 83rd Avenue and North 81st Avenue. 10 Sina Estates _ Preliminary Plat Project Narrative In addition to the proposed entrance sign wall concept for Sina Estates; the site walls will be a concrete masonry unit (CMU) wall covered with stucco and stone veneer accent pillar-capped walls. The stone veneer accent pillar caps will be placed on one side of the exterior wall. The concept design of the proposed site wall will not exceed six feet in height. The concept design is to have the accent veneer cap walls on the exterior of the property be viewed from North 83rd Avenue and North 81st Avenue. On the property line of the proposed lots will be a seamless stucco-covered masonry wall as the privacy walls to the proposed lot for each residence. This exterior concept site wall with the stone veneer cap on one side is also proposed to be installed along the South side of Tract A. The stone veneer accent wall with the stone wall cap will give a unique visual dimension to the new proposed community of Sina Estates. From the preliminary plat data Tract A has an average length of 1,200 feet. The conceptual design of a stone veneer accent cap exterior CMU walls with a stucco finish is the proposed concept design for the site. The concept design to stagger the pillars and caps with a stone veneer center of the stucco-covered site wall concept design will give this long tract of space a cohesive and visually appealing site wall to the surrounding community that enhances the open spaces. One of the concept design amenities within the open spaces of Sina Estates is the 20x10 Pergolas or Ramadas for Barbeque. The Pergolas or Ramadas within the open spaces for barbecues will be a wood structure with a stone veneer column base finish that will mimic the proposed site wall concept that will incorporate the stone veneer accent wall insert within the stucco-covered CMU site wall. The concept for the pergola and ramadas indicated for recreational barbeques will include picnic tables and standard uline outdoor park grills. This conceptual design is meant to provide shading and recreational outdoor activities for the residential community. These new proposed residential homes will accommodate twenty-one residential homes that will be one-story or two-story. The homes will vary from 2,100 square feet to 4,100 square feet total within the property lots that will follow the required property lot zoning of R1-4 PRD. The houses in the subdivision will stagger along the front of the property. By staggering the residential homes along the front of the property at different increments; the new proposed homes that will vary along the lots at the North side of the site will provide a visual aesthetic between the residential homes. The residential homes have the potential to be built by flipping at different sides of the side setbacks on the East and West of the proposed lots; as well as have the proposed two stories move further back from the front property line setback to give the lots a staggered effect. 11 Sina Estates _ Preliminary Plat Project Narrative For the new residential community of Sina Estates, a single shared mailbox kiosk cluster concept will be installed within a CMU stucco-covered wall with one stone wall cap detail with stone veneer on one side. The shared mailbox cluster conceptual design will include two cluster box units for the United States Postal Services to access. The mailbox design will follow required USPS access manual mailbox height requirements when installed to have the mailbox cluster minimum 15 inches above finished grade for the lowest parcel locker shelf surface and max 67 inches for the highest position for the patron lock of the mailbox The estimated concept design for the mailbox height the remainder of the mailbox wall will be a minimum height of six feet to allow the mailbox kiosk to be secured within the proposed mailbox kiosk wall. This tot-lot schematic design for the mailbox kiosk for Sina Estates could be estimated to be ten feet in length for two proposed mailbox clusters to be installed in the shared cmu wall covered in stucco finish and have a single side wall cap with stone veneer designed to match the exterior concept wall design that is accessible within the open space of Sina Estates. Mailboxes shall be located and provided per USPS standard requirements, accessible from the sidewalk and the final location of the mailbox will be determined by the United States Postal Services during Final Plat. One of the open spaces towards the South of the site is Tract A which holds a variety of recreational amenities, landscaping, retention basins, and route sections for pedestrians to explore in this new community. In this open space area of Tract A; the area will include a proposed pergola for barbeque, a playground structure, and a half basketball court. The concept pergola or ramada for barbeque will be designed to match the same two pergolas that are proposed within Tract E. This 200-square-foot covered area is a proposed wood-framed shade structure that will have a stone veneer column base and a roof that is sloped in one direction. Beneath the shaded structure will be outdoor picnic tables and park grills for recreational barbeques. Adjacent to the pergola/ramada in Tract A, will include a playground structure on top of the playground sandbox. The concept design for the playground equipment structure is to include two to three slides, climbers, ramps, and more in a variety of colors and pieces of equipment. The playground will be placed within the proposed sand range that has been proposed by the ELA Landscaping construction plans. For an additional community setting a wood almond color setting bench held together with a steel frame is a conceptual design plan for the community to rest and relax. On the other adjacent side of the pergola/ramada in Tract A, a proposed design concept for a half basketball court of thirty by thirty feet in size is to be constructed onto the site 12 Sina Estates _ Preliminary Plat Project Narrative with a single basketball hoop. The concept design of the half basketball court is designed for recreational sporting activities for leisure. CONCEPTUAL RESIDENTIAL DESIGN SCHEMATICS Conceptual residential designs prepared by Niksi Architecture for the proposed Glendale development to Sina Estates for conceptual reference designs for the concept floor plan layouts, exterior materials, and schematics for the lot area matrix. Based on the matrix this development will accommodate twenty-one residential homes that will be one-story or two-story. The homes will vary from 2,100 square feet to 4,100 square feet total within the property lots that will follow the required property lot zoning of R1-4 PRD. Based on the development standard for R1-4 PRD the minimum lot width will be 50 feet with a lot depth of 106 feet. The houses in the subdivision will stagger along the front of the property line of the lot depending on the type of residence and how it fits within the minimum front, side, and rear setbacks required within the R1-4 PRD development standards. The design concept is to stagger the residential homes along the front of the property in different increments within the development setback standards of R1-4 PRD. Staggering the new proposed homes at various depths along the front property lines of the proposed twenty-one lots that will be plotted at the North side of the site, will provide a visual esthetic between the residential homes. The residential homes have the potential to be built by flipping at different sides of the side setbacks on the East and West of the proposed lot as well as have the proposed two stories move further back from the front property line setback to give the lots a staggered effect. Based on the conceptual sheets provided by NIKSI Architecture for the residential design referenced renders, the residential plans for the exterior materials will be stucco-framed exterior walls with a faux stone veneer and sloped shingle roofing. From the architectural conceptual renders of the four different house designs, the residential exteriors of the house references have the potential to have different color exteriors and concepts that mimic each other as a unified residential community. The proposed residential concepts for the proposed Sina Estates residential development will adhere to the residential development standards. RESIDENTIAL LOT DESIGNS Each lot is to have at least one associated street tree, selected for consistency with the dominant and/or approved block street tree, and planted within the 5-foot landscaping area between the curb and the sidewalk. The residential lot designs will be configured in the final plat and architectural design development stage. 13 Sina Estates _ Preliminary Plat Project Narrative CONDITIONS, COVENANTS & RESTRICTIONS (CC’Rs) A declaration of conditions, covenants, and restrictions for Sina Estates has been drafted by NIKSI LLC for the proposal preliminary plat submittal. The Conditions, covenants, and restrictions shall contain provisions that are the proposed developmental establishments for the Homeowner’s Association or whoever any property, amenities, or facilities are proposed to be owned or maintained that are in accordance with City of Glendale Standards. UTILITIES AND SERVICES A table is provided below listing each of the utility providers: Utility Provider Water City of Glendale (COG) Sewer City of Glendale (COG) Gas Southwest Gas Corporation Elec. SRP Tele. Century Link / Cox COMMUNITY FACILITIES AND SERVICES The following outlines the community service providers: Service Provider Schools Sunset Vista Elementry School Independence High School Libraries Glendale Public Library Police City of Glendale Fire City of Glendale Refuse City of Glendale 14 Sina Estates _ Preliminary Plat Project Narrative CONCLUSION The intent of the overall proposal is to provide a balance of land uses and residential development that compliments the area while upholding the planning principles and supporting the economic goals and objectives of the City of Glendale. The infill site will be transformed into an attractive, high-quality residential development that will enhance the streetscape appearance with open spaces, amenities, and lush landscaping features along Midway Avenue. The overall project will create a new and attractive single-family residential community that will enhance the surrounding community. This proposed new residential development would provide new open spaces for recreational activities for the community. 15