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068 PAGGI. MARTIN & DEL BENE LLP Consulti~ E~ineers & Land SUT'Oeyors CXfJ<:6 54-56 Main Street Poughkeepsie, New York 12601 914-471-7898 914-471-0905 (FAX) November 22, 1999 ~ ~~ ~ ~~ ~~:~ 7? ~~~, -. _.;;~'.. _ h. -,~.." , ~ .~ L1.~ . .~ V" T~(7' Town Board Town of Wappinger P.O. Box 324 Wappingers Falls, New York 12590 Attention: Constance O. Smith, Supervisor Reference: Proposed Wappinger Water Improvement 99-2 Dear Supervisor Smith & Board Members: As instructed at the last Town Board meeting, we were asked to revise the appropriate cost section of the Map, Plan and Report for the proposed Wappinger Water Improvement 99-2 as a result of the discussions had with various developers within the District. I have done so and report the following: I have included copies of the cover page, and Pages 1-4 of the original Map, Plan and Report, and I have revised Sheet Nos. 2 and 3 with revisions dates in the lower right hand corner. >- As you can see, the project cost went from $5,750,000.00 to $4,550,000.00. This reduction is a result of the removal of approximately 9,600 l.F. of dedicated tank line. This is proposed to be installed by a private developer and dedicated to the Town. >- That reduction in the total necessary bond amount lowers the maximum annual payment for principal and interest to $409,500.00 from $517,500.00. With approximately 5,000 benefit units (b.u.) This results in a per benefit unit cost of approximately $81.90. This number was previously $104.00. These costs are assuming a 5 % interest rate and use of the 50% rule. >- Lower interest rates and/or participation in the New York State Drinking Water Revolving Fund would, in all likelihood, further lower these costs. This is due to the State's utilization of the net level debt service and the realization of an interest subsidy of approximately 1/3 by participation in the loan fund. We could explore this further if so desired by the Board. Joseph E. Paggi, Jr., P.E. Ernst Manln, Jr., P.E., L.S. Charles R. Del Bene, Jr., P.E. Hon. Constance O. Smith - 2 - Town Board RE: Wappinger Water Improvement 99-2 November 22, 1999 I trust this information is sufficient, however, if further documentation is necessary, please do not hesitate to contact me at the office. Ve/-5uly yours, ~p Joseph E. Paggi, Jr., P. JEP:law Encl osure cc: Hon. Vincent Bettina, Councilman w/enclosure Hon. Joseph Paoloni, Councilman w/enclosure Hon. Joseph Ruggiero, Councilman w/enclosure Hon. Robert Valdati, Councilman w/enclosure Hon. Elaine Snowden, Town Clerk w/enclosure Albert P. Roberts, Esq. w/enclosure Sprout Creek is for all intents and purposes dry. and the well field is 'J,{;,CiE"'E'" about 35% capacity. V j D,', N '. OV 29 19. PROPOSED IMPROVEMENTS: 12~/N€ S rsg . '1/11/"" ,..NOWD It is proposed now to make certain improvements to provide an additional So'Jtelf 12", of water to the Central Wappinger Water Improvement and to further provide better, more stable service to the North Wappinger Water Improvement. It is also the goal of this improvement to allow the supply to the Cranberry Hills Water Improvement and reinforce the supply to the Myers Corners II Water District. Earlier in 1999, we had made a proposal to the Town of Wappinger for the Combined Wappinger Water Improvement, which had a project cost of approximately $18,000,000.00. This detailed numerous items that were to be constructed in the Town and was an ultimate goal and plan for the Town of Wappinger. We are now proposing that certain items of work be done to meet the immediate (1 year approximately) goals and design and construct these items in a manner that they would be able to be incorporated into the larger overall Improvement without modifications. These improvements would be: > Completion of the Atlas Wellfield for up to five (5) wells, including appropriate well pumps and necessary controls. > Dedicated tank line between the Atlas Well field and the Hilltop Water Storage facility. > Retro-fitting the Pizzagalli Interconnection to become a pressure reducing station to backfeed the North Wappinger Water District. > Construction of a clear well at the Atlas site, including hi-lift pumping that will transport the water through the dedicated tank line to the Hilltop Water Storage facility. > An appropriately sized, Phase 1, water storage facility at the Hilltop site (approximate size one million gallons). > Tele-metering and control work between the Hilltop site and the Atlas Wellfield. Total project costs, including hard and soft costs, for the above is $4,550,000.00. There are approximately 5,000 benefit units in the Central Wappinger Water Improvement, North Wappinger Water District, Myers Corners II Water District, Cranberry Hills Water Improvement and the Ardmore Hills Water Improvement. These existing users are to pay for the $4,550,000.00 Improvement. The maximum annual cost for a bond term of twenty years at an interest rate of 5% would be approximately $ 81.90 per benefit unit. - 2 - REVISED 77/22/99 PROPOSED COMBINED WAPPINGER WATER IMPROVEMENT DEBT REPAYMENT SCHEDULE YEAR PRINCIPAL INTEREST TOTAL 1 $ 182,000 $ 227,500 $ 409,500 2 " 218,400 400,400 3 " 209,300 391,300 4 " 200,200 382,200 5 " 191,100 373,100 6 " 182,000 364,000 7 " 172,900 354,900 8 " 163,800 345,800 9 " 1 54,700 336,700 10 " 145,600 327,600 1 1 273,000 136,500 409,500 12 " 122,850 395,850 13 " 109,200 382,200 14 " 95,550 368,550 15 " 81 ,900 354,900 16 " 68,250 341,200 17 " 54,600 327,600 18 " 40,950 313,950 19 " 27,300 300,300 20 " 13,650 286,650 TOTAL $4,550,000 $2,626,250 $7,166,250 NOTES: 1. The above figures were calculated using the 50% Rule. 2. The chart represents retirement of $4,550,000.00. 3. The interest rate utilized is 5.0%. - 3 - REV/SED 11/22/99 - " MAP, PLAN & REPORT FOR PROPOSED WAPPINGER WATER IMPROVEMENT - 1999/No. 2 PREPARED FOR: TOWN BOARD TOWN OF WAPPINGER 20 MIDDLEBUSH ROAD P.O. BOX 324 WAPPINGERS FALLS, NEW YORK 12590 AUGUST 11, 1999 R€CEIII12D NO,! 29 1999 EI..AIN !OVv~ ~i~~DEN PREPARED BY: PAGGI, MARTIN & DEL BENE LLP CONSULTING ENGINEERS & LAND SURVEYORS 54-56 MAIN STREET POUGHKEEPSIE, NEW YORK 12601 BACKGROUND: The Town of Wappinger currently owns, operates and maintains numerous water districts within the central portion of the Town. The largest district is the Central Wappinger Water Improvement (CWWI), which was authorized by the Town Board in 1973. The sources for the CWWI are two (2) well fields located on the Sprout Creek recharged by the Sprout Creek Aquifer. They are the Hilltop Wellfield and the Rockingham Wellfield. It has been demonstrated historically and substantiated professionally by the Dunne GeoScience Report that the well fields are effected by seasonal drought conditions that exist in the Sprout Creek and, as such, are not able to meet average daily demands during these time periods. With that in mind, the Town purchased the privately held Atlas Water Company in 1991 and formed the North Wappinger Water Improvement (NWWI). Of significant importance here was the purchase of 11 acres of land along the Wappinger Creek that was envisioned to provide a central water source for the Town. The Town had a detailed aquifer capacity analysis done by Leggette, Brashears & Graham in 1995. This report indicated that the safe yield for the Atlas Wellfield was in the neighborhood of 1,500 GPM. This flow was calculated using drought conditions with very little recharge from the Wappinger Creek. There were four (4) existing water districts, which purchased the Atlas Water Company in 1991. These included the following: . North Wappinger Water Improvement . Central Wappinger Water Improvement . Cranberry Hills Water Improvement . Myers Corners II Water District CURRENT CONDITIONS: During the last week of July 1999, a leak developed in the Rockingham Water Storage Facility of the Central Wappinger Water Improvement. While repairing that leak, another leak also developed at the Hilltop Water Storage Facility of the same Improvement. The repairs were made on an emergency basis, and the tanks now are not leaking. The tank repair company has informed us that the work that was done on the tanks should be considered temporary and not permanent. It was also stated to us that the general overall condition of the tanks was from fair to poor. We are also currently in a state of a drought emergency in the Town of Wappinger. The levels of the Hilltop and Rockingham wells have been dropping steadily as the duration of the drought increases. Most recently, in conversations with the operator, it has been brought to my attention that the wells at the Hilltop source have had to have been cut back to a lower flow to allow pumping levels to remain above the screen. - 1 - Sprout Creek is for all intents and purposes dry, and the well field is operating at about 35% capacity. PROPOSED IMPROVEMENTS: It is proposed now to make certain improvements to provide an additional source of water to the Central Wappinger Water Improvement and to further provide better, more stable service to the North Wappinger Water Improvement. It is also the goal of this improvement to allow the supply to the Cranberry Hills Water Improvement and reinforce the supply to the Myers Corners II Water District. Earlier in 1999, we had made a proposal to the Town of Wappinger for the Combined Wappinger Water Improvement, which had a project cost of approximately $18,000,000.00. This detailed numerous items that were to be constructed in the Town and was an ultimate goal and plan for the Town of Wappinger. We are now proposing that certain items of work be done to meet the immediate (1 year approximately) goals and design and construct these items in a manner that they would be able to be incorporated into the larger overall Improvement without modifications. These improvements would be: ~ Completion of the Atlas Wellfield for up to five (5) wells, including appropriate well pumps and necessary controls. ~ Dedicated tank line between the Atlas Well field and the Hilltop Water Storage facility. ~ Retro-fitting the Pizzagalli Interconnection to become a pressure reducing station to backfeed the North Wappinger Water District. ~ Construction of a clear well at the Atlas site, including hi-lift pumping that will transport the water through the dedicated tank line to the Hilltop Water Storage facility. ~ An appropriately sized, Phase 1, water storage facility at the Hilltop site (approximate size one million gallons). ~ Tele-metering and control work between the Hilltop site and the Atlas Wellfield. Total project costs, including hard and soft costs, for the above is $5,750,000.00. There are approximately 5,000 benefit units in the Central Wappinger Water Improvement, North Wappinger Water District, Myers Corners \I Water District, Cranberry Hills Water Improvement and the Ardmore Hills Water Improvement. These existing users are to pay for the $5,750,000.00 Improvement. The maximum annual cost for a bond term of twenty years at an interest rate of 5 % would be approximately $ 104.00 per benefit unit. - 2 - PROPOSED COMBINED WAPPINGER WATER IMPROVEMENT DEBT REPAYMENT SCHEDULE YEAR PRINCIPAL INTEREST TOTAL 1 $ 230,000 $ 287,500 $ 517,500 2 II 276,000 506,000 3 II 264,000 494,500 4 II 253,000 483,000 5 II 241,000 471,500 6 II 230,000 460,000 7 II 218,500 448,500 8 II 207,000 437,000 9 II 195,500 425,500 10 II 184,000 414,000 1 1 345,000 172,000 517,500 12 II 155,250 500,250 13 II 138,000 483,000 14 /I 120,750 465,750 15 II 103,500 448,500 16 II 86,250 431,250 17 II 69,000 414,000 18 II 51,750 396,750 19 II 34,500 379,500 20 II 17,250 362,250 TOTAL $5,750,000 $3,306,250 $9,056,250 NOTES: 1. The above figures were calculated using the 50% Rule. 2. The chart represents retirement of $5,750,000.00. 3. The interest rate utilized is 5.0%. - 3 - It should be noted that there is additional work that would be necessary to be done to accomplish the entire Proposed Combined Wappinger Water Improvement as previously discussed with the Board. The items that would remain to be done would be: . Additional well at the Rockingham Wellfield. . A booster station on Cedar Hill Road. . An additional pressure reducing station going down to the North Wappinger Water system. . Distribution reinforcements along Myers Corners Road and All Angels Hill Road. . The Atlas Filtration Plant. . The Rockingham and Hilltop Chlorine Detention Facilities. . Cedar Hill Storage Facilities. . Additional storage facilities at the Hilltop site. The above does not include tying in of any of the satellite districts, including Oakwood and/or Wappinger Park. This has been discussed by the Board, but is not part of this proposal. The thrust of this proposal is to perform the above work, which is felt necessary to be done to remove the emergency status of the Central Wappinger Water Improvement as it relates to source capacity and storage capacity. I would like to reiterate another opinion previously spoken about by this office, which is the connection into the Joint CitylTown Water Distribution system adjacent to the Atlas site. It is my opinion that the connection into this source to be used as a primary and/or backup and/or supplementary source is critical to the long range, orderly development of the Town. Additional and redundant sources of water will be necessary in the future to provide the residents of the Town with a reliable, abundant source of water. Again, I would strongly recommend that the Town Board initiate and continue discussions with the Joint CitylTown Water Board towards this end. - 4 -