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061 f" ~ _ .,. r ...,\~ / \- l.,/ PAGGI. MARTIN & DEL BENE LLP Consulting Engineers & Land SU1"Oeyors CXDI 54-56 Main Street Poughkeepsie, New York 12601 914-471-7898 914-471-0905 (FAX) Town Board Town of Wappinger P.O. Box 324 Wappingers Falls, New York 12590 ~~". .~",~' OCI ,. V~? ~/.. I .9 (.;. " ..qllvf '-999 S1\to -', ~" "'...,,..c.I~1\1 October 18, 1999 Attention: Constance O. Smith, Supervisor Reference: Atlas Production Wells No. 99-1 & 99-2 Dear Supervisor Smith & Board Members: As a follow-up to our October 14th, 1999 letter regarding the above, Leggette, Brashears & Graham's report dated October 12th, 1999, and our October 11th, 1999 memo to the Town Board, it is our and Leggette, Brashears & Graham's opinion that all work on existing Well No. 99-2 be temporarily stopped pending other outcomes. It is recommended that Well No. 99-3 be drilled at one of two locations recommended by Tom Cusack of Leggette, Brashears & Graham. We will enumerate this point later on this memo. I would first like to state that the costs that the Town has incurred in drilling Well No. 99-1 came in below the amounts estimated in Leggette, Brashears & Graham's August 4th, 1999 proposal signed by the Town on August 11th, 1999. Costs associated with Well No. 99-2 in which we are experiencing the development problem are as follows: . Stephen B. Church Company's costs to date are approximately $54,400.00, which is within the proposal submitted at the above date, and which also includes the additional work necessary for flood protection and additional development time as per my September 22nd, 1999 letter. This amount is approximately $2,200.00. . Leggette, Brashears & Graham's costs to date are approximately $11,000.00, which is approximately 55% of the $17,000.00 estimated in their original proposal. Joseph E. PaW, Jr., P.E. Ernst Manln, Jr., P.E., L.S. Charles R. Del Bene, Jr., P.E. Constance O. Smith Town Board RE: Atlas Wellfield - 2- October 18, 1999 . Based on the new borings and old soil data it is Leggette, Brashears & Graham's recommendation that two locations for additional production wells are: 1. Adjacent to Well No. 99-2, however, setting the screen depth between 33' - 39'. 2. At test boring location 99-1, setting the screen between 34' - 47'. It is anticipated that the number one recommendation above would be implemented for Well No. 99-3. The cost for proposed Well No. 99-3 are as follows: 1. Stephen B. Church's estimated cost for drilling the well is between $25,000.00 - $27,000.00. This figure is in addition to what was authorized before. 2. It is felt that the cost for Leggette, Brashears & Graham's work can still remain within the budget price of $17,000.00 originally anticipated. 3. The additional costs at this point in time are between $25,000.00 - $27,000.00. It is felt from our perspective that this work can be done within the authorization of Emergency Wappinger Water Improvements No.1 - 1999. As you recall, the total amount of that bond was $500,000.00. If the Board is so inclined to authorize this work, the well driller has indicated that they could mobilize the week following the Board meeting, and start the drilling that week. It is anticipated that two weeks drilling time will be necessary. Therefore, the sc~aen setting and development work should be done the week of November 8th, 1999. It is possible, therefore, that the pump test could start the week of the 15th, but if there are some weather and/or other delays, we will not be able to start the pump test until the week of the 29th. As you are aware there are holidays in between, and therefore, negates that week for the pump test. Constance O. Smith T own Board RE: Atlas Wellfield - 3 - October 18, 1999 It is my recommendation that the Board accept this proposal, drill Well No. 99-3, perform long term pump tests on both wells simultaneously, perform all necessary water quality work, prepare all necessary applications with the New York State Department of Environmental Conservation and the Dutchess County Health Department, design the necessary pumps, piping, control work, etc., and be able to place these wells in service by early next spring. By that point in time, the Pizzagalli interconnection could be utilized to move approximately 400 GPM of water from the Atlas Well field up to the Hilltop water storage facilities at Cider Mill Loop. As an outgrowth of the most recent test boring work, Leggette, Brashears & Graham will also be able to draft a report pinpointing the remaining locations for productions wells to be located at Atlas. This will be necessary in preparing the Contract Specifications for that work to be put out to bid. As you recall, that is part of the second water improvement presented to the Town last August. If there are any questions on the above, please do not hesitate to contact this office. ";i trUI~;]?o~\ ,~~L~'l(/uf v~y Joseph E. Paggi,'Jr.,.E. JEP:law cc: Hon. Vincent Bettina, Councilman Hon. Joseph paoloni, Councilman Hon. Joseph Ruggiero, Councilman Hon. Robert Valdati, Councilman Elaine Snowden, Town Clerk Albert P. Roberts, Esq. Michael Tremper Tom Cusack Jim Duncan Daniel O'Connor, P.E.