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Last modified
2/18/2016 11:25:39 AM
Creation date
10/1/2015 3:03:52 AM
Metadata
Fields
Template:
Official Documents
Official Document Type
First Amendment
Approved Date
11/15/2011
Control Number
2011-232
Agenda Item Number
8.D.
Entity Name
Geosyntec Consultants
Subject
Amendment No.1 Work Order No.24 Cattle Dip Site
Area
9255 93rd St. on CR 510
Supplemental fields
SmeadsoftID
10349
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Mr. Mike Nixon Geosyntec ' <br /> 3 August 2011 consultants <br /> Page 2 <br /> • project planning and management responsibilities, invoice review, project coordination , <br /> and project administration . <br /> Task 2 — Off- Site Access and Right of Way (ROW) Notification Packages <br /> The four monitoring wells proposed to be installed under Task 3 (below) are located off property <br /> (to the north and west of the site) . Two of the monitoring wells are located in <br /> a Florida <br /> Department of Transportation ROW, on the north and south side of State Road 510 (to the north <br /> of the site) . Obtaining access to install two monitoring wells along this roadway and <br /> two <br /> monitoring wells to the west of the site will involve a search on the Indian River <br /> County <br /> Property Appraiser website to identify ownership (State , County , City , private , etc . ) ; completing <br /> an access agreement between the owners and the county ; and most likely submission of a fee for <br /> permitting . We assume we will have to work with only two entities to get access for off- site well <br /> installations and that the effort will only involve submittal of a written request ; we have not <br /> budgeted for negotiation of access agreement terms , meetings , multiple submittals , provision of <br /> insurance, etc . <br /> Please note that as part of accessing public thoroughfares for drilling, a Maintenance of traffic <br /> (MOT) plan and barricades may be needed as part of satisfying an access agreement. A traffic <br /> plan helps address worker safety and may include flagmen and signage to warn vehicles and <br /> pedestrians of work in the area . Geosyntec can arrange for the preparation of a traffic plan , <br /> however, until off- site access can be arranged , Geosyntec cannot reliably estimate the amount of <br /> effort , and we have not included a budget for a traffic plan or flagmen and signage ( if needed) in <br /> this proposal (typically this costs less than $ 2 , 500) . Geosyntec anticipates that if an MOT is <br /> required that index 4602 for the FDOT design standards will be reference and that the duration <br /> will be less than 60 minutes , which will preclude the requirement for signs and channeling <br /> devices . <br /> Task 3 — Monitoring Well Installation <br /> Task 3 consists of mobilizing to the site and installing monitoring wells . Geosyntec proposes to <br /> install four monitoring wells using direct push technology (DPT) drilling techniques at the <br /> locations presented in Figure 1 . The monitoring wells will be constructed of 14nch PVC and <br /> will be installed to a maximum depth of 15 feet below land surface (ft BLS ) with 10 -ft of 0 . 006 - <br /> inch slotted screens with a 30/65 pre -packed sand filter. The monitoring wells located near the <br /> roadway will be completed with a 244nch by 244nch concrete pad with an 84nch manhole . The <br /> monitoring wells located in the wooded area will be completed with the 244nch by 24- inch <br /> concrete pad with a 44nch PVC casing that is approximately 34eet tall (instead of the 8 - inch <br /> manhole) . Once installed , the monitoring wells will be developed until visibly free of particulate <br /> XR11191 /CCR11063 . DOC <br /> engineers I scientists innovators <br />
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