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Public Services Committee

Regular Meeting

Mount Pleasant, SC · July 25, 2017

AgendaMinutes

Minutes

TOWN OF MOUNT PLEASANT, SOUTH CAROLINA SPECIAL MEETING PUBLIC SERVICES COMMITTEE Tuesday, July 25, 2017 1:00 p.m. Municipal Complex Building C, Former Council Chambers MINUTES Members Present: Will Haynie, Chair; Joe Bustos, Jim Owens Staff Present: Eric DeMoura, Jody Peele Also Present: Rick Karkowski Mr. Haynie called the meeting to order at 1:00 p.m. 1. Public Comments Kevin Cunnane, 3032 River Vista Way, stated that he is a regular attendee and feels there has been denial in the past with regards to drainage problems. He thanked the Committee for this report and for action that will be taken based on the results of the report. Barry Wolff, 1468 Pocahontas Street, stated that he is anxious to see results of the study due to concerns he has regarding new construction in the Indian Village resulting in drainage issues. He thanked the Committee for their efforts and further stated that he looks forward to progress. 2. Presentation of Old Village drainage assessment Public Services Committee Minutes July 25, 2017 Page 2 of 65 Mr. Peele informed the Council that on June 30, 2017, Thomas and Hutton Engineering firm provided a draft copy of the conclusion of the Old Village Drainage Study which was shared with Council. Mr. Peele introduced Rick Karkowski of Thomas and Hutton Engineering firm, who presented the following: Public Services Committee Minutes July 25, 2017 Page 3 of 65 Mr. Karkowski added that, for the Pilot Study, the firm inspected each structure in certain areas of the Old Village. Public Services Committee Minutes July 25, 2017 Page 4 of 65 Mr. Karkowski stated that he will be addressing a 10 year design storm, or 10 year level of service, which may not have been the level of service that the South Carolina Department of Transportation (SCDOT) intended for these roads to have. He further added that there have been unintended consequences resulting from additions such as on street parking that have impacted the ability of the system, which includes the entire right of way (ROW). Mr. Karkowski explained that drainage improvement of basins must generally be done downstream to upstream within the basin. He informed the Council that the Future Conditions analysis has been completed and that these findings have been compiled into this report. Public Services Committee Minutes July 25, 2017 Page 5 of 65 Public Services Committee Minutes July 25, 2017 Page 6 of 65 Mr. Karkowski described the need for study in this area as resulting from the amount of new construction that is having an impact on drainage features, including the interruption of the system that is already in place. Mr. Karkowski explained that the Impacted Sections shown may have off street parking or landscaping that has encroached into the SCDOT right of way causing the drainage system or swale to no longer be there. Mr. Owens asked if any pervious systems were found in any of the off street parking areas. Mr. Karkowski replied that some were built with materials such as crushed stone or rock, which is impervious, but not as impervious as sand. He further Public Services Committee Minutes July 25, 2017 Page 7 of 65 explained that these swale areas were generally filled to drain to the edge of the road. Mr. Owens inquired as to whether they had seen pervious pavers. Mr. Karkowski replied in the affirmative and added that they had also seen asphalt and concrete. He reported that the more modern and recent areas had used a pervious material. Mr. Karkowski explained that the basins that were analyzed extended slightly outside the study area due to having to account for all the drainage in each basin as this affects the entire system. Mr. Karkowski stated that the study area included 27 basins. Public Services Committee Minutes July 25, 2017 Page 8 of 65 Public Services Committee Minutes July 25, 2017 Page 9 of 65 Mr. Karkowski stated that there were two basins that received more in-depth study, Edwards Park and the Royall Avenue basins. He further explained that the system was analyzed for a 10-year design storm or to determine if it is meeting a 10 year level of service. He stated that the most up to date information from the National Weather Service was utilized showing statistically how much rainfall should be handled in, for example, a one hour storm and a three hour storm. Public Services Committee Minutes July 25, 2017 Page 10 of 65 Mr. Karkowski commented on the rain event of April 24, 2017, in which the Old Village received 5.4 inches of rainfall over a six-hour period occurring at high tide. Public Services Committee Minutes July 25, 2017 Page 11 of 65 Public Services Committee Minutes July 25, 2017 Page 12 of 65 Mr. Karkowski stated that, according to the above charts showing cumulative rainfall amount of 5.4 inches, this event fell right around the 10-year rainfall. He concluded that if we had a functioning system that met the level of service of current Town standards, it should have been able to handle a storm of this magnitude. Public Services Committee Minutes July 25, 2017 Page 13 of 65 Mr. Karkowski stated that the Old Village has a mostly uniform land use of residential, however; encroachments of larger multi-family developments were accounted for in future analyses. In addition, he explained that the Old Village has a fairly sandy soil which accounts for a large amount of infiltration. Mr. Karkowski defined Time of Concentration as how runoff goes from the farthest point to the lowest point. Public Services Committee Minutes July 25, 2017 Page 14 of 65 Public Services Committee Minutes July 25, 2017 Page 15 of 65 Mr. Karkowski explained what he described as a fairly unique condition in Mount Pleasant where a portion of the town relies on infiltration and evaporation for drainage. These were termed closed basins, areas where water has nowhere to drain and only gets out through flooding or goes into the ground or evaporates. Mr. Karkowski stated that these closed basin areas were quantified as part of the study and were included in the firm’s analysis and recommendations. Public Services Committee Minutes July 25, 2017 Page 16 of 65 Mr. Karkowski related that the Hydraulics analysis was assessed at low tide, although other tide conditions, such as spring tide or king tide, were considered later in the analysis. Public Services Committee Minutes July 25, 2017 Page 17 of 65 Mr. Karkowski described an extensive pipe network in the basins that were studied, although some areas have limited drainage facilities. He explained that in analyzing for pipe capacity, a level of service was assigned based on amount of rainfall it could handle. Public Services Committee Minutes July 25, 2017 Page 18 of 65 Public Services Committee Minutes July 25, 2017 Page 19 of 65 Mr. Karkowski noted that the Service Requests were drainage requests. He further described the different levels of complaints. These were Structural: flooding in the finished floor of a house; Severe: flooding in a garage, carport or under a house; Nuisance: flooding in a yard; or a Maintenance issue. Public Services Committee Minutes July 25, 2017 Page 20 of 65 Public Services Committee Minutes July 25, 2017 Page 21 of 65 Mr. Karkowski stated that with reference to the geographical distribution of the claims, the few that were on the south and the west were probably related to a tidal situation, but the interior ones were definitely related to a rainfall event. Public Services Committee Minutes July 25, 2017 Page 22 of 65 Public Services Committee Minutes July 25, 2017 Page 23 of 65 Mr. Karkowski noted that as the economy recovered, an upward trend was seen starting in 2011 through 2016 for building permits in the Old Village for adding homes on empty lots and subdividing lots. Public Services Committee Minutes July 25, 2017 Page 24 of 65 Public Services Committee Minutes July 25, 2017 Page 25 of 65 Mr. Karkowski stated that despite the finding of deficient pipes scattered throughout the system, it was also noted that the newer neighborhoods in the southern part of the study area had systems that were built to modern standards. Public Services Committee Minutes July 25, 2017 Page 26 of 65 Public Services Committee Minutes July 25, 2017 Page 27 of 65 Public Services Committee Minutes July 25, 2017 Page 28 of 65 Public Services Committee Minutes July 25, 2017 Page 29 of 65 Mr. Karkowski noted that an approach to the basin prioritization would be to focus on the largest problems that would result in the biggest improvement for the least amount of money. Mr. Karkowski described System Coverage to be the pipe system and how far it reaches into the basin. He further added that this System Coverage will give an indication of what areas may need to have drainage extended into different parts of the basin. Public Services Committee Minutes July 25, 2017 Page 30 of 65 Public Services Committee Minutes July 25, 2017 Page 31 of 65 Mr. Karkowski noted that part of the scope for this study was to focus on some of the worst areas. He pointed out that two of the basins received a score above 20 (Edwards Park and the Royall Avenue basins). Public Services Committee Minutes July 25, 2017 Page 32 of 65 Public Services Committee Minutes July 25, 2017 Page 33 of 65 Mr. Karkowski informed the Committee that 30 percent of the structures in Edwards Park are in need of serious work and that 21 percent of the structures in the Royall Avenue basin are not working. Public Services Committee Minutes July 25, 2017 Page 34 of 65 Mr. Karkowski described the pipe systems as being the backbone of the system. He further added that the pipe systems were focused on first and analyzed as to how to bring those up to a 10-year level of service. The analysis included size of pipe and cost of doing a retrofit project, which Mr. Karkowski described as constructing down the center of a road, ripping everything out, putting in new pipe and putting everything back. Mr. Karkowski related to the Committee that the pipe cost alone would be 20-25 percent of the overall cost of the entire project. He stated that 80 percent of the project cost would include pavement, utilities and everything else that is required by the project. Mr. Karkowski characterized the Streetscape as a project that would reestablish the intended design back to the swale and driveway overflow system that the SCDOT intended to design. Public Services Committee Minutes July 25, 2017 Page 35 of 65 Mr. Karkowski concluded the Recommendations by stating that a key issue would be maintenance, which would entail reoccurring inspection and maintenance needed to keep these systems in operation. Mr. Peele asked if this cost reflects replacement of existing pipe infrastructure. Mr. Karkowski answered in the affirmative and added that the 10-year level of service (LOS) improvement is for the pipes only. Mr. DeMoura asked if this cost would increase if future design indicates a larger pipe is necessary. Public Services Committee Minutes July 25, 2017 Page 36 of 65 Mr. Karkowski answered in the affirmative. Mr. Karkowski stated that the high priority costs shown are included in the pipe replacement costs. He defined Alternative Improvements as being those outside of the existing pipe system, which includes pipe extensions needed to meet closed basins and outfalls improvement. Mr. Karkowski added that the final project cost was for surface drainage projects, which comprises older ditch and pipe systems. He related that most of these areas that were identified are in serious need of a major overhaul. Public Services Committee Minutes July 25, 2017 Page 37 of 65 Public Services Committee Minutes July 25, 2017 Page 38 of 65 Mr. Bustos asked Mr. Karkowski if this report was a draft or a final report. Mr. Karkowski stated that this was a presentation. He added that the draft was provided and that it would be finalized after comments are received following this presentation. Mr. Bustos inquired as to when report would be finalized. Mr. Karkowski stated that it could be at the end of this week or the beginning of next week. Mr. Owens thanked Mr. Karkowski for the presentation. He asked if there was any possibility of looking at value engineering. He inquired as to whether there were any receptacles attached to the 48 inch gravity main that could be used as a conduit for a force main. Public Services Committee Minutes July 25, 2017 Page 39 of 65 Mr. Karkowski replied that the pump station has a small bypass force main that is 8 inches. Mr. Peele added that there is an 8 or 12 inch bypass where a pump is used to bypass. He further stated that he believes there are dual 48’s going down the street at the outfall. Mr. Owens asked if these were gravity. Mr. Peele answered that this could work in two ways. He stated that when the pump station comes on, it lifts the water over the wall and pushes it out. He continued, stating that if the pump station fails at certain tide levels, the crew can crank the gate valve up, enabling water to flow out. Mr. Peele stated that the generator positioned at the pump station will help with power outages, but added that the generator will only run one pump. Mr. Owens added that with modifications, such as increased capacity and increased size of pumps, that force main would probably need to be increased. Mr. Karkowski replied that the gravity outfall has a little more capacity, but would need an upgrade to maximize capacity. He added that one of the components of value engineering is design. Public Services Committee Minutes July 25, 2017 Page 40 of 65 Mr. Owens asked Mr. Karkowski if his recommendation was at 187 cubic feet per minute as opposed to 100 cubic feet per minute. Mr. Karkowski answered in the affirmative. Mr. Owens stated that he feels we have to look toward the future, and design accordingly, in terms of how much will be incorporated for drainage and how much capacity that allows. Mr. Karkowski inquired as to whether the Town would be willing to provide a 10-year LOS or a 5 year LOS. Mr. Owens replied that he was just asking about using 48 gravity for a conduit. Mr. Karkowski answered that it is a conduit. Mr. Owens replied that it is gravity, and is not being forced. Mr. Karkowski stated that the firm has not done detailed design, but has envisioned a modification or redesign to a forced main rather than a gravity outfall. He added that this is a larger project than is appropriated right now. Mr. Owens asked about being able to use flap gates to control the tides in some of the areas where we are getting surcharge that is infiltrating back into the system, also probably silting in the force main or the gravity system. Public Services Committee Minutes July 25, 2017 Page 41 of 65 Mr. Karkowski stated that the systems were designed for high tide. He added that there may be some benefit from keeping tide out of system before the rain event; however, it does not address event flooding. He stated that it addresses the sunny day flooding, which is extreme high tide. Mr. Owens noted that he had seen in the report discussion of underground retention. Mr. Karkowski replied that some of the upgrades could have some underground retention where the water would be released into the underground groundwater system. He added that limited space would affect the use of underground retention. Mr. Owens asked if you could pave over. Mr. Karkowski answered in the affirmative and said this was in theory. Mr. Haynie inquired as to where the underground retention systems would be placed. Mr. Karkowski answered parks or parcels that would be purchased. He added that in the right of way, there are smaller systems that could be put between the edge of pavement and the property line where a 12-15 foot strip could be engineered for such a system. Public Services Committee Minutes July 25, 2017 Page 42 of 65 Mr. Owens asked if this system could be manifolded on both sides of the street. Mr. Karkowski replied that it possibly could be implemented on both sides of the street. He added that this could be done in conjunction with one of the pipe improvements for more localized flooding issues. Mr. Haynie asked if this would be significantly more expensive than regular pipe work. Mr. Karkowski explained that they perform two different functions, pipes that are meant to move the water and underground retention systems that capture the water and put it into the ground. He further explained that, in theory, an underground retention and infiltration system could take some of the volume and runoff so that the peak of the runoff off the system would result in less pipe needed. He stated that it is fairly expensive and in a tight retrofit system, it would be hard to get to the scale needed for an actual impact. Mr. Owens asked if any of this was reflected in the costs of the study findings. Mr. Karkowski replied in the negative. He added that some of the pipe costs could be shifted in future engineering costs to underground retention systems. { At this time, 2:02 p.m., Mr. Haynie called for a brief recess.} {Meeting was reconvened at 2:12 p.m.} Public Services Committee Minutes July 25, 2017 Page 43 of 65 Mr. Haynie commented on reading a statement in the report that stormwater infrastructure in general is outdated, undersized and in poor condition. He asked to direct to staff the question of a financing source to enable the Town to follow priorities and get the most for the money and to fix the issues that give the most improvement in the fastest amount of time. Mr. Haynie asked if there would be a flow of money that is better than in the past now that the impact fee structure has been updated. He also inquired about the capital improvement plan perhaps being a source. Mr. Haynie also asked if there would possibly be federal or state assistance. Mr. DeMoura answered in the affirmative. He stated that he is recommending two main funding sources. The first would be the revenue from the general services impact fee. He further stated that the recommendation would be to utilize the Stormwater portion of the impact fee. Mr. DeMoura related that the second recommendation for funding entails an increase in stormwater fees. Mr. DeMoura expressed his belief that a combination of these two funding sources together would result in a 30 million dollar type of cost. Mr. Haynie asked if this would be an increase town wide or if it would be increased by region. He expressed concern that residents that see this increase and have been paying stormwater fees, and have been receiving this level of service, may be resistant to fees being raised. Public Services Committee Minutes July 25, 2017 Page 44 of 65 Mr. DeMoura answered that the Town had not had a Capital Improvement Program until a few years ago and shortly after that, an increase in the Stormwater Fee was asked for and granted by Town Council. He further added that this increase took the Stormwater Fee from approximately one million to two million dollars a year. Mr. DeMoura related that the amount of two million dollars is not a lot of money to keep the current stormwater system maintained and improved. Mr. DeMoura stated his belief that residents in other parts of town, in addition to the Old Village, could express the same argument regarding paying money into the system and not seeing a direct return either. Mr. DeMoura noted that the stormwater program town-wide brings in approximately $2.5 to $2.7 million dollars a year and that money is also contributed from the annual budget every year that is split between roads and stormwater. Mr. DeMoura stated that a challenge in how these issues are addressed in the Old Village is that the Town of Mount Pleasant does not own this infrastructure. Mr. Haynie requested that the Public Services Committee meet again on Monday, July 31, 2017 to address several issues including: making a recommendation to full Council on how to proceed, the effects of what is happening in this part of town on the future of the infrastructure, and a recommendation to full Council regarding the building moratorium. Public Services Committee Minutes July 25, 2017 Page 45 of 65 Mr. DeMoura replied that a meeting would be added to the calendar for Monday, July 31, 2017. Mr. Haynie asked Christiane Farrell, Director of Planning and Development for the Town of Mount Pleasant, if the Town needs to rethink the idea of the parts of town that are prone to flooding with regards to guidelines. Mrs. Farrell replied that all zoning districts have building coverage requirements. She stated that the Old Village historic district is unique in that they have some impervious surface requirements. She agreed that it was something that could be explored. Mr. Haynie noted that by definition, this area is Old Mount Pleasant, and there are parts of this area outside of the Old Village delineation. Mr. Haynie asked Mr. Bennett, former chairman of the Old Village Historic District Commission, if he thought some of the residents would take some responsibility in making small changes to help with the flow of stormwater. Mr. Bennett answered in the affirmative. He further added that the Commission had recently addressed some of these topics. He also stated that a concern is when residents, without approval, take it upon themselves to improve the swales, creating semi-pervious or less than pervious, surfaces along some of the ROW’s. He noted that permission is supposed to be sought from the State to make these improvements. Public Services Committee Minutes July 25, 2017 Page 46 of 65 Mr. Haynie asked if there were any sources to learn from in areas that have also experienced the issues of tearing down and adding on of homes which contributes to drainage issues. Mrs. Farrell stated that research could be done on this subject. Mr. Karkowski added that Wilmington, NC, is also facing a similar redevelopment issue. Mr. Haynie then asked if anyone else had any other comments pertaining to this topic and then directed Mr. Peele to begin the presentation of the next agenda item. 3. Review of town-wide stormwater system repair and replacement plan Mr. Peele informed the Committee that he would be providing information concerning the stormwater system repair and replacement plan. Public Services Committee Minutes July 25, 2017 Page 47 of 65 Public Services Committee Minutes July 25, 2017 Page 48 of 65 Mr. Peele added that Marcy Cotov, CFO for the Town of Mount Pleasant, would address the funding review portion of the agenda. Mr. Peele informed the Committee that the Stormwater Division has three core program functions which are: Hazard Mitigation, Water Quality Management and General Operations. He noted that today he would be providing information concerning the General Operations section. Public Services Committee Minutes July 25, 2017 Page 49 of 65 Mr. Peele stated that the Stormwater Program Evolution illustrates how the program got started and where it is today. In 1995, the Town conducted a drainage study to address significant flood prone areas in the Old Village and Snee Farm subdivision. In 1996, the Town adopts the Stormwater Utility program and a specific Stormwater Capital Project list was developed. Public Services Committee Minutes July 25, 2017 Page 50 of 65 Mr. Peele noted that this is the original list of Capital Projects. Mr. Peele shared with the Committee that the Ben Tatum Lake was part of the Dovre Basin. Mr. Peele stated that the solution noted for each project is only a brief description of what was actually completed. Mr. Peele added that part of the Snee Farm project was to replace the culverts that were under the road with bridges. Mr. DeMoura asked if any of the projects in the Old Village that were on SCDOT property were completed. Public Services Committee Minutes July 25, 2017 Page 51 of 65 Mr. Peele replied in the affirmative, stating that almost all of them are completed. Mr. DeMoura commented that there has been an assertion that there has been no money spent on stormwater in the Old Village. He noted that there has been money spent there and added that is on property not owned by the Town. Mr. Peele stated that the Fox Pond project is not 100 percent complete. He explained that some infrastructure had been cleaned and there have been no flooding reports through 2014. Mr. Peele also noted that the Venning Street project in the Old Village finished the outfall and the remaining part will be completed as part of the Pitt Street business district renovation project. Mr. Haynie requested that at the upcoming Committee meeting, the process and the pros and cons of taking over these roads from the State, be discussed. Public Services Committee Minutes July 25, 2017 Page 52 of 65 Public Services Committee Minutes July 25, 2017 Page 53 of 65 Mr. Peele noted that Other Stormwater Projects have been completed since 1996. Mr. Peele stated that in 2012 the Asset Management Plan and Capital Improvement Plan were established to address failing stormwater infrastructure town wide. Mr. Peele informed the Committee that the cost to repair failing infrastructure for the four highlighted projects was $2,113,735.05. Public Services Committee Minutes July 25, 2017 Page 54 of 65 Mr. Peele noted that these FY 2017 CIP Projects in Progress are also funded. Mr. Peele reported that the budget figures for these four drainage projects totaled $2,390,700.00. Public Services Committee Minutes July 25, 2017 Page 55 of 65 Mr. Peele defined the SRF as the State Revolving Fund. Mr. Peele stated that the Snee Farm SRF project has been approved and is in the construction design phase. He explained that this project will address flooding, failing infrastructure and will also include water quality improvements. Mr. Peele informed the Committee that this is a projected $9,900.000.00 project. Public Services Committee Minutes July 25, 2017 Page 56 of 65 Mr. Peele added that these FY 2018 CMP Projects are also funded. Mr. Peele stated that in prior years, for CMP Projects, the entire subdivision would have been addressed before moving to another one. However, due to pipe failure that is being experienced town wide, he explained that a different approach had to be taken. Mr. Peele quoted the budget figure of $1,475,000.00 to complete these projects. Mr. Peele stated that the Public Services Department would approach the Bids and Purchasing Committee in August 2017, to ask for the approval of $480,576.49 that would be awarded to a contractor to begin work on these projects. Public Services Committee Minutes July 25, 2017 Page 57 of 65 Mr. Peele noted the projected cost of the other four Stormwater Projects shown to be $905,000.00. Mr. Peele explained that the above map illustrates locations where repairs have been completed throughout the town. He noted that many of these repairs are from the Isle of Palms Connector south. Public Services Committee Minutes July 25, 2017 Page 58 of 65 Mr. Peele defined CTC as Charleston Transportation Committee and TST as Transportation Sales Tax. Mr. Peele noted that the CTC/TST Projects are projects that are approved by Charleston County if funding is available. Mr. Peele cited the Johnnie Dodds Boulevard Project as an example of a project that was completed. He added that this project resulted in drainage infrastructure being improved through some existing subdivisions. Mr. Peele stated that the Queen Street Pipe Project was an installation completed by Charleston County and CTC. Public Services Committee Minutes July 25, 2017 Page 59 of 65 Mr. Peele stated that the Public Services Department welcomes any assistance that SCDOT offers in addressing drainage issues on SCDOT roads. Mr. Peele noted that the Longpoint Road Ditch Reconstruction Project was completed between Whipple Road and Longpoint Subdivision by SCDOT crews. Mr. Peele further added that General Maintenance Work Orders such as cleaning the ditch along the Isle of Palms Connector and also an area near the Ravenel Bridge were performed by SCDOT maintenance crews. Mr. Peele stated that the Longpoint Causeway Culvert Replacement is currently in progress in the SCDOT Bridge Design Department. Public Services Committee Minutes July 25, 2017 Page 60 of 65 Mr. Peele stated that the Future Drainage Study Areas illustrates other subdivisions with the same conditions as the Old Village, including limited drainage infrastructure and little to no maintenance being performed. Public Services Committee Minutes July 25, 2017 Page 61 of 65 Mr. Peele introduced Marcy Cotov, Chief Financial Officer for the Town of Mount Pleasant, and stated that she would address funding. Public Services Committee Minutes July 25, 2017 Page 62 of 65 Mrs. Cotov referred to the above slide to illustrate funding for Stormwater, with the main source being Stormwater Fees. Mrs. Cotov stated that the Stormwater Infrastructure Funds are based on the General Fund/Fund Balance Policy which states that each year the June 30 audited financials are taken and, based on a calculation, a portion of the monies go toward Transportation and a portion to Stormwater. Mrs. Cotov noted that a four year average of these funds showed an amount of approximately 2.3 million dollars. Mrs. Cotov further described these funds as being economically sensitive, meaning that, at any time, if revenue does not come in as projected, the fund balance will be looked at as not having enough or as much to go toward these projects. Mrs. Cotov stated that there were four Impact Fees that were combined into the Municipal Facilities and Equipment. She added that in the past, funds generated for these Impact Fees were approximately $700,000.00. Mrs. Cotov informed the Committee that for July 1, 2017, when the Impact Fees went into place, the residential was slightly less than existing and the commercial slightly more. She further explained that in January 2018, when the next phase of the Impact Fees is implemented, it will generate more on both the residential and non-residential sides. Public Services Committee Minutes July 25, 2017 Page 63 of 65 Mrs. Cotov addressed the Capital Improvement Program. She explained that there is currently a process of working through a Capital Planning Model which will take each of the Capital Projects and different sources of special revenues, and will look at a long term portion of these items to demonstrate how it impacts the fund balance of each of those revenues. Mrs. Cotov informed the Committee that the Capital Planning Model is projected to be completed by the end of August 2017. Mr. DeMoura noted that the Town of Mount Pleasant had utilized the consulting firm, Stantec, to inspect the Town’s road systems and to assess their quality and to also do an assessment for Stormwater. He stated that the Stormwater consultant said that approximately 14 million dollars per year was needed. Mr. Peele agreed with this amount and asked Hillary Repik, Stormwater Division Chief for the Town of Mount Pleasant, if she was also in agreement with this monetary figure. Mrs. Repik replied in the affirmative and also stated that the breakout of this amount was about even between Transportation and Stormwater. She further added that the Stormwater portion was for rehabilitation of the Town’s existing system. Mr. DeMoura stated that the Stormwater demands at this time, such as metal pipes that were installed years ago and are collapsing, and funds that are needed to keep the current system operating, indicate that the above fund assessment is correct. He added that many places around town are being touched with the funds that are shown in the above slide. Public Services Committee Minutes July 25, 2017 Page 64 of 65 Mr. Haynie stated that staff needs to be given direction for the upcoming Public Services Committee Meeting on July 31, 2017 regarding questions that have arisen from this meeting. Mr. Bustos commented that one of the points to address is funding. He added that redevelopment, including in this part of town and the newer parts of town, as to how it is allowed, should also be addressed. Mr. Haynie emphasized that the 60-day moratorium should be a topic for the upcoming meeting. Mr. Haynie asked Mr. Karkowski about projected sea level rise and possible findings that resulted from the study done by Thomas and Hutton. Mr. Karkowski replied that the majority of the Old Village is pretty high for the LowCountry, but some effects may be encountered at places similar to Edwards Park Pump Station or around Pitt Street at elevations 5 feet to 7 feet being the most vulnerable. Overall, the systems are in the 10-20 feet or 10- 30 feet range. He added that it would take 150-200 years for there to be an impact based on current projections. Mr. Owens thanked Mr. Karkowski for his presentation and information. Mr. Owens also expressed the hope for finding solutions for these issues so that the proper level of service can be provided. He further added the possibility of a partnership with the SCDOT may be a way to help mitigate costs. Public Services Committee Minutes July 25, 2017 Page 65 of 65 Mr. DeMoura also thanked Mr. Karkowski for his time and effort. He also informed Chairman Haynie that a review of the draft study presented today would be posted on the Town of Mount Pleasant website. 4. Adjourn There being no further business, the meeting was adjourned at 2:46 p.m. Respectfully submitted by, Jane Leisey July 28, 2017

Agenda

MOUNT PLEASANT COMMITTEE ASSIGNMENTS SPECIAL MEETING PUBLIC SERVICES COMMITTEE Tuesday, July 25, 2017 1:00 p.m. Municipal Complex Building C, Former Council Chambers 100 Ann Edwards Lane, Mount Pleasant, SC 29464 AGENDA 1. Public Comments 2. Presentation of Old Village drainage assessment 3. Review of town-wide stormwater system repair and replacement plan 4. Adjourn Telephone (843) 884-8517 - Fax (843) 856-2180 www.tompsc.com

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