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I6. Reso 6250 - Transport Alts GrantNW*0*46 -Wf CITY OF KALISPELL Report To: Doug Russell, City Manager Development Services 201 Ist Avenue East - Kalispell, Montana 5991 Phone (406) 758-7940 From: Jarod Nygren, Development Services Director Subject: Resolution of Support of City submission of "MDT Transportation Alternatives Grant Application for South Portion of Sunset Boulevard Shared Use Path Connection" Meeting Date: Apni 17, 2025 BACKGROUND: The Montana Department of Transportation's (MDT) Transportation Alternatives grant program provides for design -build projects to local governments for "Construction, planning, and design of on -road and off -road trail facilities for pedestrians, bicyclists, and other non -motorized forms of transportation, including sidewalks, bicycle infrastructure, pedestrian and bicycle signals, traffic calming techniques, lighting and other safety -related infrastructure, and transportation projects to achieve compliance with the Americans with Disabilities Act of 1990." The City has successfully applied to this program in the past for trail segments along Highway 93 and Four Mile Drive. The City's current grant proposal is to build the south portion of the shared use path connection on the east side of U.S. 93 connecting downtown Kalispell and Logan Health in accordance with the engineering and design plan prepared by KLJ engineering that analyzed the appropriate path alignment. This section lacks any connectivity (other than a dirt path), offers poor site distances, has numerous access intersections and access points with limited control and has traffic speeds of 35 MPH and higher. When combined, these conditions make walking or biking this heavily traveled route unsafe and impractical, limiting connectivity between two major employment centers in the community. The shared use path connection is a "project priority" within the MOVE 2040 Kalispell Area Transportation Plan. The total project cost for the entirety of the shared use path connection is approximately 2.68 million dollars. The Transportation Alternatives grant program provides for a maximum grant award of 1.5 million dollars. Therefore, in order to build the entire project, the City would have to obligate a minimum of $1.18 million dollars to build the entire shared use path segment. Accordingly, staff is recommending a grant request for the construction of the south half of the segment building a shared use path from Wyoming Street to the North side of Mission trail which has a construction cost of approximately $648,000.00. If the City were to move forward with the south half of the segment no City funds would be obligated. The north portion of the shared use path segment has a construction cost of approximately 2.08 million dollars, which would require the City to obligate approximately $583,000.00 to the project. If the City were awarded the grant request for the southern portion of the shared use path, it could apply for the northern portion of the project during the next Transportation Alternatives grant cycle. RECOMMENDATION: It is recommended that Council approve Resolution 6250, recommending the City of Kalispell submit the "MDT Transportation Alternatives Grant Application for South Portion of Sunset Boulevard Shared Use Path Connection" ALTERNATIVES: Council can elect to not pass the Resolution ATTACHMENTS: Resolution 6250 Shared Use Path Exhibit KLJ Engineering and Design Plan RESOLUTION NO. 6250 A RESOLUTION TO APPROVE AN APPLICATION BY THE CITY OF KALISPELL TO THE MONTANA DEPARTMENT OF TRANSPORTATION FOR A GRANT TO FUND THE SOUTHERN PORTION OF A SHARED USE PATH CONNECTION ON THE EAST SIDE OF SUNSET BOULEVARD (US 93) CONNECTING DOWNTOWN KALISPELL AND LOGAN HEALTH. WHEREAS, the Montana Department of Transportation's (MDT) Transportation Alternatives grant program provides funding to local governments to support transportation projects for pedestrians, bicyclists, and other non-motori zed forms of transportation in order to achieve compliance with the Americans with Disabilities Act of 1990; and WHEREAS, the City of Kalispell proposes to construct the south portion of the shared use path connection on the east side of U.S. 93 connecting downtown Kalispell and Logan Health; and WHEREAS, this section lacks any connectivity (other than a dirt path), offers poor site distances, has numerous access intersections and access points with limited control and has traffic speeds of 35 MPH and higher, making walking or biking unsafe and impractical; and WHEREAS, the proposed improvements are identified as a priority project within the adopted MOVE 2040 Transportation Plan; and WHEREAS, since the project meets all criteria of the MDT Transportation Alternatives grant application for such funding it should have the support of the City of Kalispell. NOW, THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF KALISPELL AS FOLLOWS: SECTION 1. The Kalispell City Council approves and fully supports the application of the City of Kalispell for an MDT Transportation Alternatives funding grant to construct a shared path connection along the southern portion of Sunset Boulevard (US 93). PASSED AND APPROVED BY THE CITY COUNCIL AND SIGNED BY THE MAYOR OF THE CITY OF KALISPELL, THIS 7TH DAY OF APRIL, 2025. ATTEST: Aimee Brunckhorst, CMC City Clerk Mark Johnson Mayor "ell OID 4- 0 LL 0 Ql) 0 /ij U) 4 Lo �7v A6 0 o LO 0 LO 4-J N ro Lo 00\ N lv 0 4-J �v ��i, u 4 e4 000� to ro ro 11 �'k ro > moo Lo 2:0 14 4P 'Ar iffy o! (3) 0) e0o ot, rj 0 < fu 0 ca Aw AW -- KLI 4& ENGINEERING, REIMAGINED a ALTERNATIVE ANALYSIS REPORT Sunset Boulevard Path Kalispell, Montana February 2024 Sunset Boulevard Path Alternatives Analysis Report Table of Contents Table of Contents 3.5 Costs .................................................................................................................................................................... 6 4 Analysis of Alternatives .............................................................................................................................................. 6 ScreeningScoring ......................................................................................................................................................... 7 5 Conclusion ..................................................................................................................................................................... 9 Recommendation........................................................................................................................................................... 9 APPENDIX A PRELIMINARY DESIGN -LEVEL ALTERNATIVE LAYOUTS ......... 10 APPENDIX B COST ESTIMATES .............................................................................. 11 February 2024 Sunset Boulevard Path Alternatives Analysis Report 1 EXECUTIVE SUMMARY Background The City of Kalispell Park & Recreation Department (City) has initiated a path project along Sunset Boulevard from Wyoming Street to Bountiful Drive. This project was originally part of a Montana Department of Transportation (MDT) Transportation Analysis (TA) project developed in 2010 and was pulled from their TA program when alignment questions arose. The purpose of this project is to explore those questions and develop reasonable alternatives for the City to consider in order to provide a safe, non -motorized connection between existing pathways. The City's intentions are to conduct and document the Alternative Analysis in a manner such that it can determine a preferred alternative. Sunset Boulevard Path Alternatives Analysis. Key pieces of the analysis documented in this report include the following items: • Rationale and history behind the development of alternatives, • Preliminary design -level evaluation of alternatives under consideration, and 0 Recommendations and findings of the analysis. Needs and Objectives The Alternatives Analysis was initiated to explore two path alignments and determine a preferred alternative that meets the safety needs and objectives of this project while balancing impacts to the corridor. The primary objective in this analysis is to compare the two identified alignments. Alternatives Considered in this Analysis Two alternatives were identified by the City for consideration in this study. They are briefly described below. 0 Alternative No. 1 This alternative would maintain the same horizontal alignment and vertical profile as Sunset Boulevard (US Hwy 93) while adding a 30-inch curb and gutter, 6-foot boulevard and 1 0-foot paved path along the northeasterly side of the existing road. The path would tie into the existing pathway on the north side of Bountiful Drive. 0 Alternative No. 2 This alternative would deviate from Alternative No. 1 from Mission Street to Bountiful Drive pulling the 10' path away from Sunset Boulevard and running it up the hill along the west side of Highland Park Subdivision through an existing easement. The path would come back down the hill and tie into the existing pathway on the north side of Bountiful Drive. February 2024 Sunset Boulevard Path Alternatives Analysis Report Alternatives Screening Criteria A multi -factor screening process was established to assess defined criteria for each of the two alternatives, briefly summarized as follows: Hydraulics Utility Impacts Costs Constructability Conclusions Table 1 presents the results of the screening process with respect to each of the two alternatives. The preferred alternative received the highest score. Each alternative was assessed under each screen to provide a more thorough and objective assessment. Table 1: Altematives Screening Criteria Summary Criteria Alternative No. 1 Alternative No. 2 Hydraulics 5 5 Utility Impacts 5 1 Costs 5 1 ___r Constructability 5 3 Recommendations Based on the results of the screening process, this study has identified Alternative No. 1 as the preferred, reasonable, and practicable alternative that would the most practical option. Accordingly, this study recommends eliminating Alternative No. 2 from further consideration. 2 INTRODUCTION A portion of Sunset Boulevard, 2500-feet, is in need of a pathway to provide connectivity with existing pathways at the north and south ends of the analysis area (Wyoming Street to Bountiful Drive) in Kalispell, Montana. Two alignment possibilities were identified by MDT in 2010 through their TA program. As a result, this portion of the project was pulled from their TA project leave the above -mentioned gap in pedestrian connectivity along Sunset Boulevard (US Hwy 93). Kalispell City has initiated this analysis project to gain recommendations as to best overall alignment for the path to be constructed. February 2024 Sunset Boulevard Path Alternatives Analysis Report Project Area Description As shown in Figure 2.1, the project is just north of the heart of Kalispell, Montana. The project is between reference post (RP) 113 and reference post (RP) 114, more specifically, Wyoming Street to Bountiful Drive) on the northeasterly side of US Hwy 93. Figure 2. 1: Project Area Map . M16 dffi&�� , V . " �lllll 3 DEVELOPMENT OF ALTERNATIVES This section describes the two alternatives considered in this study. Alternative No. 1 This alternative, known as the lower alignment, would following the existing horizontal and vertical alignments of Sunset Boulevard, adding 30-inch curb and gutter, 6-foot boulevard and a 10-foot paved path to the northeasterly side of the roadway. Placing the path in a typical location inside the right-of-way, minimizing impacts along the corridor, was the intent of this alternative. Under this alternative, the shoulder of the existing roadway would be improved. The total width would be 1 8.50-feet with cut/fill slopes at 3:1 or flatter to the furthest extent practicable. The goal is to stay within the right-of-way, however flatter slopes could be utilized in some areas provided construction easements could be attained. This alternative will require sawcutting of the existing edge of asphalt to provide a clean, straight edge for the construction of the curb and gutter but will not affect the existing surfacing or drive lanes. Between Mission Street and Bountiful Drive, a February 2024 Sunset Boulevard Path Alternatives Analysis Report retaining wall will be required on the uphill side of the new path due to the topography between Sunset Boulevard and Mission Street / Highland Park Subdivision. The retaining will vary in height and include a swale on the backside of the wall to catch the water that comes down the hillside. Under the swale will be a 4-inch perforated pipe which will convey the water that infiltrated the surface into the existing storm sewer system. The water that doesn't infiltrate will run along the swale into the existing storm sewer system. The primary concern with this alternative is the potential impact to property outside the right-of-way. Alternative No. 2 This alternative, known as the upper alignment, is the same as Alternative No. 1 from Wyoming Street to Mission Street. At Mission Street horizontal and vertical alignments of the path stop following the existing Sunset Boulevard, however, will remain the same for the 30-inch curb and gutter to Bountiful Drive. A 24-inch curb and gutter will following the same horizontal and vertical alignment of the existing Mission Street and tie into existing curb and gutter and Crestine Avenue. The purpose of this alternative is to utilize and existing easement on the southwesterly edge of Highland Park Subdivision. The existing grade of Mission Street vary from 9.6% to 11.9%, making the vertical profile of Mission Street non-ADA compliant. Therefore, retaining walls are required on the uphill and downhill side of the path as it climbs the hill at 4.9%, follows the existing easement and descends the hill until such a time when grades meet and 6" curb can be utilized for pedestrian safety. The uphill retaining will vary in height and include a swale on the backside of the wall to catch the water that comes down the hillside. Under the swale will be a 4-inch perforated pipe which will convey the water that infiltrated the surface into the existing storm sewer system. The water that doesn't infiltrate will run along the swale into the existing storm sewer system. The primary concern with this alternative is the potential impact to property outside the right-of-way. The downhill wall will have 2-inch sleeves through the wall to allow storm water to pass through, continue down the hill and into the existing storm sewer system. The primary concerns with this alternative are the potential impacts to the existing parking lot in Highland Park Subdivision, cost of two retaining walls and the impact to existing utilities. 3.1 Hydraulics An inlet box will be placed on the existing storm sewer pipe at the intersection of Mission Street and Crestline Avenue to minimize the quantity of storm water running through the project area. 4" perforated pipe will be placed in the swale at the top of the uphill retaining walls to minimized impact on the walls as well as sheeting onto the new path. 2-inch sleeves will be placed in the bottom of the downhill wall to minimize sheeting on the new path. The intent is to utilize the existing drainage system with no increase in water volume. 3.2 Right -of -Way Many transportation projects require acquisition of land and or easements, known as right-of-way. Right-of-way acquisition can often take a significant amount of time during project development; therefore, it is imperative to identify ways that will expedite or streamline this process. Maintaining and reconstructing approach access to adjacent properties is required with any transportation project. February 2024 Sunset Boulevard Path Alternatives Analysis Report 3.2.1 Approach Impacts Three access approaches exist throughout the project corridor. It is critical for any project to maintain access to these approaches during construction and adequate reconnection of approaches post -construction. Adjacent landowners often consider the treatment of their access to determine the ultimate success or failure of a transportation project. All access approaches will be paved to right -of-way or end of impacted area with both alternatives. 3.3 Utility Impacts Utilities are found in many highway corridors and require consideration and coordination with affected owners during projects. Based on preliminary investigations, the Sunset Boulevard corridor contains power and storm sewer utilities. Utility impacts and relocation may be associated with added time and costs incurred by the City, MDT or at the utility owners expense. Therefore, the cumulative total amount of utilities affected by each alternative has been considered in the following criteria: Utility Impacts. Impacts to power poles and electrical boxes are cumulatively added to gauge the overall impact to these facilities under each alternative. 3.4 Constructability Constructability (or buildability) is a concept that denotes ease of construction. Constructability assessment is employed to identify challenges before a project is built to reduce or prevent errors, delays, and cost overruns. The construction traffic control will be similar for any alternative, due to the shoulder improvement on one side of the road. 3.5 Costs Transportation project costs can include both capital (up -front, initial costs) and maintenance (long-term) costs. Criteria refers primarily to initial, estimated construction costs. These costs also include right-of-way permitting and acquisition, utility relocation, construction engineering, and indirect costs. High-level cost breakdowns for each alternative can be found in Appendix C. 4 ANALYSIS OF ALTERNATIVES This section discusses the evaluation of alternatives according to the defined screening process. The analysis and comparison of alternatives is based on a combination of known corridor constraints from initial site investigations and preliminary design -level evaluation. Assumptions and estimates are shown in each respective criterion below. February 2024 Sunset Boulevard Path Alternatives Analysis Report Screening Scoring To evaluate the comprehensive ranking for each alternative, a scoring metric has been applied to each of the criteria and sub -criteria in this section. The cumulative scores are then used to determine a preferred alternative. It is possible for the preferred alternative to score poorly in one or more criteria. Generally, the scores given to each sub -criteria are awarded as follows: 0 5 (Most Benefit, Least Impact): A 5 score is considered the best or most preferred scoring value. This score indicates the sub -criteria for a specific alternative has the most beneficial effects and/or the least impacts. 0 3 (Moderate Benefit, Moderate Impact): A 3 score is considered a moderate or mid -level score. This score indicates the sub -criteria for a specific alternative has moderate beneficial effects while having moderate impacts. 0 1 (Least Benefit, Most Impact): A 1 score is considered the worst or least preferred scoring value. This score indicates the sub -criteria for a specific alternative has the least beneficial effects and/or the most impacts. 0 +1 (Added Value): A +1 score is applied to an alternative if it includes a higher benefit or lower impact for a specific feature, area, or corridor consideration. 0 -1 (Reduced Value): A -1 score applied to an alternative if it includes a lower benefit or higher impact for a specific feature, area, or corridor consideration. Based on these scoring values, the alternative with the highest score will be considered the most desirable or preferred alternative. CRITERIA: HYDRAULICS SUB -CRITERIA: SCORING: Alignment Alterations 5 — Low drainage impacts 3 — Moderate drainage impacts 1 — High drainage impacts Alternative No. 1 Alternative No. 2 Estimates: Estimates: - Length of pipes required = 1120 ft - Length of pipes required = 1268 ft - Number of sleeves required = 0. ea - Number of sleeves required = 50. ea - Number of inlet boxes required = 1 ea - Number of inlet boxes required = 1 ea - Length of curb and gutter = 3587 If - Length of curb and gutter = 4000 If Discussion: Discussion: This alternative requires fewer drainage elements This alternative requires more drainage elements to to ensure adequate drainage. ensure adequate drainage. 5/5 2/5 February 2024 Sunset Boulevard Path Alternatives Analysis Report CRITERIA: UTILITY IMPACTS Will V III I =11 4 C7 Alternative No. 1 Alternative No. 2 Estimates: Estimates: - Number of electrical boxes Impacted 2 ea - Number of electrical boxes Impacted 2 ea - Number of power poles impacted = 4 ea - Number of power poles impacted = 10 ea Discussion: Discussion: The standard alignment allows for little impact to The alternative alignment has a greater impact to utilities. utilities. 5/5 3/5 CRITERIA: CONSTRUCTABILITY SUB -CRITERIA: SCORING: Irrigation 5 — Low constructability concerns 3 — Moderate irrigation impacts 1 — High irrigation impacts Alternative No. 1 Alternative No. 2 Estimates: Estimates: - Potential impact outside right-of-way - Potential impacts to existing parking lot in Highland Park Subdivision - Cost of two retaining walls Discussion: Discussion: Impacts outside the right-of-way will be minimal Potential impacts to parking lot in Highland Park but depending on the desired cut/fill slope it is Subdivision as a result of constructing 2 retaining possible temporary construction easement will be walls and a path in the existing hillside holding up necessary in some locations. the parking lot. 5/5 3/5 February 2024 Sunset Boulevard Path Alternatives Analysis Report 5 CONCLUSION The two alternatives were analyzed and compared across multiple screening criteria to determine the preferred option. Both proposed alternatives appeared feasible across multiple screening criteria. A detailed preliminary design -level evaluation was required to analyze specific comparison criteria, determining minor differences or deficiencies across the alternatives. Comparison between the alternatives was oftentimes minimal, as the overall impacts could be generically summed up between a lower alignment along the road and an upper alignment above the road. Engineering judgement was applied to some comparison criteria when a distinguishable difference was hard to achieve between alternatives. Alternative No. 1 scored overall very well in all categories. Some of the most critical screening criteria were considered under constructability for this project with potential impacts meaning temporary construction easements for cut/fill grading. Alternative No. 2 scored most consistently across all comparison criteria. A significant impact associated with this alternative considers the utility impacts, drainage elements needed, cost of the added retaining walls and the potential impacts to Highland Park Subdivision. This alternative will cost more and impact significantly more but will utilize the existing easement on the westerly side of Highland Park Subdivision. Recommendation For the reasons mentioned above, and based on the comparison screening criteria, Alternative No. 1 is a reasonable and practicable alternative that provide the pathway connectivity. This alternative will have minimal impact on the area and cost less. 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M11111111111111 IIIIIIIIII milli Us 1111111101 IIIIIIIIIIN CD LO CD LO CD LO r- (D (D LO LO I- 0 0 0 0 0 0 M M M M M M 0 0 0 0 0 0 I- co co 0 0 IT 0 0 0 0 0 0 co co co co co co IIIIIIIIIII HIM stgIIIIIIIIII Immm I 0 0 (D C) LO 0 ,I- C) (1) 0 N C) C) 0 0 I? 0 LO 0 LO 0 LO I- co co LO LO IT 0 0 0 0 0 0 (Y) (Y) (Y) (Y) (Y) (Y) 0 LO 0 LO 0 LO I- co co LO LO IT 0 0 (Y) (Y) 0 (Y) 0 (Y) 0 (Y) 0 (Y) C) Us IIIIS 0 I? 0 LO 0 LO 0 LO I- co co LO LO IT 0 0 (Y) (Y) 0 (Y) 0 (Y) 0 (Y) 0 (Y) 0 0 0 0 0 0 LO I- I- (o (o 0 0 1- 0 0 0 0 0 0 0 co M M M M M M CD 111111111,11111111111ITTT IIIIIIIIIIIIHNIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIHIIIIIIIIII IIIIIIIIIIIIIIIIIINIIIIIIIIII IIIIIIIIIIIIIIII0111111111-FR IIIIIIIIIIIIIIIII0111111M 111111111111111111111111140 IIIIIIIIIIIIIIIIIIIIIIIII0 IIIIIIIIIIIIIIIIIIIIIING4 LO 0 LO 0 LO 0 LO I- I- co co LO LO IT 0 0 0 0 0 0 0 (Y) (Y) (Y) (Y) (Y) M (Y) INS IIIII Ills LO 0 LO 0 LO 0 LO I- I- co co LO LO IT 0 0 0 0 0 0 0 (Y) (Y) (Y) (Y) CY) M M Sunset Boulevard Path Alternatives Analysis Report APPENDIX B COST ESTIMATES February 2024 Opinion of Probable Costs Kalispell, Montana KILI Project #2304-01547 KLI Sunset Boulevard Path - Preliminary Lower Alignment Schedule 1 - Base Bid Item No. Description Estimated Quantity Unit Unit Price Tota I 1 Relocate Power Pole 4 EA $ 2,000.00 $ 8,000.00 2 Remove Asphalt Paving 1110 SY $ 12.00 $ 13,320.00 3 Relocate Electrical Box 2 EA $ 1,500.00 $ 3,000.00 4 Unclassified Excavation CY $ 6.50 $ - 5 Sawcut Asphalt 2721 LF $ 12.00 $ 32,652.00 6 Aggregate Base Course Class 6 757 SY $ 24.00 $ 18,177.26 7 Concrete Sidewalk (6 Inch) 424 SY $ 110.00 $ 46,603.52 8 Asphalt Concrete Surface Course Grade Type A 147 TON $ 120.00 $ 17,646.21 9 Asphalt Cement PG 64-28 9 TON $ 500.00 $ 4,411.55 10 Tack Coat 882 SY $ 8.00 $ 7,058.48 11 30" Curb & Gutter 3528 LF $ 30.00 $ 105,840.00 12 24" Curb & Gutter (Type 2) 59 LF $ 25.00 $ 1,475.00 13 Valley Gutter (5 foot) 42 SY $ 150.00 $ 6,344.18 14 Detectable Warning Device 112 SF $ 400.00 $ 44,800.00 15 Curb Inlet Box 1 EA $ 2,000.00 $ 2,000.00 16 Retaining Wall 511 CY $ 1,650.00 $ 843,837.87 17 Perforated Drain Pipe (4-Inch) 1120 LF $ 60.00 $ 67,200.00 18 Native Seed Mix 1463 SY $ 4.00 $ 5,852.79 Base Bid - Tota I Estimated Cost $ 1,222,366.06 Schedule 2 - Allocation Items 17 Mobilization 1 I -SUM 8% $ 97,800.00 18 Erosion Control and Turf Establishment 1 I -SUM 2% $ 24,500.00 19 Construction Surveying 1 I -SUM $ 80,000.00 $ 80,000.00 20 Traffic Control 1 I -SUM 2% $ 24,500.00 Allocation Items - Total Estimated Cost $ 226,800.00 Summary of Estimated Construction Costs Schedule 1 - Base Bid $1,222,366.06 Schedule 1 - Allocation Items 226,800.00 Estimated Construction Costs $1,449,166.06 Construction Contingency 20% $289,833.21 Total Estimated Construction Cost $1,675,966.06 Opinion of Probable Costs Kalispell, Montana KILI Project #2304-01547 KLI Sunset Boulevard Path - Preliminary Upper Alignment Schedule 1 - Base Bid Item No. Description Estimated Quantity Unit Unit Price Tota I 1 Relocate Power Pole 10 EA $ 2,000.00 $ 20,000.00 2 Remove Asphalt Paving 424 SY $ 12.00 $ 5,083.78 3 Relocate Electrical Box 2 EA $ 1,500.00 $ 3,000.00 4 Unclassified Excavation CY $ 6.50 $ - 5 Sawcut Asphalt 3124 LF $ 12.00 $ 37,488.00 6 Aggregate Base Course Class 6 1240 SY $ 24.00 $ 29,759.21 7 Concrete Sidewalk (6 Inch) 836 SY $ 110.00 $ 91,997.12 8 Asphalt Concrete Surface Course Grade Type A 162 TON $ 120.00 $ 19,497.51 9 Asphalt Cement PG 64-28 10 TON $ 500.00 $ 4,874.38 10 Tack Coat 975 SY $ 8.00 $ 7,799.01 11 30" Curb & Gutter 3528 LF $ 30.00 $ 105,840.00 12 24" Curb & Gutter (Type 2) 472 LF $ 25.00 $ 11,800.00 13 Valley Gutter (5 foot) 42 SY $ 150.00 $ 6,300.00 14 Detectable Warning Device 112 SF $ 400.00 $ 44,800.00 15 Curb Inlet Box 1 EA $ 2,000.00 $ 2,000.00 16 Retaining Wall 2230 CY $ 1,650.00 $ 3,679,044.78 17 Perforated Drain Pipe (4-inch) 1268 LF $ 60.00 $ 76,080.00 18 Drain Sleeves (2-inch) 50 LF $ 40.00 $ 2,000.00 19 Native Mix Seed 4515 SY $ 4.00 $ 18,060.00 Base Bid - Tota I Estimated Cost $ 4,165,423.79 Schedule 2 - Allocation Items 17 Mobilization 1 LSUM 8% $ 333,300.00 18 Erosion Control and Turf Establishment 1 LSUM 2% $ 83,400.00 19 Construction Surveying 1 LSUM $ 80,000.00 $ 80,000.00 20 Traffic Control 1 LSUM 2% $ 83,400.00 Allocation Items - Total Estimated Cost $ 580,100.00 Summary of Estimated Construction Costs Schedule 1 - Base Bid $4,165,423.79 Schedule 1 - Allocation Items 580,100.00 Estimated Construction Costs $4,745,523.79 Construction Contingency 20% $94L9104.761 Total Estimated Construction Cost $5,325,623.79