2-26B-081 Maps and Schematics.pdf
PDF 16 MB Posted
- Solicitation number
- 26-081
- Issued by
- Marion County, Florida
About this file
This file contains technical appendices depicting well construction schematics for Marion County Utilities' potable water well projects in Florida. The documentation illustrates the typical construction specifications for two wells at the Marion Oaks #4 Water Treatment Plant and two wells at the Summerglen Water Treatment Plant. Both schematics present identical construction methodologies, featuring 16-inch steel final casing at 175-foot depths, 20-inch under-reamed boreholes with neat cement grout, pilot holes ranging from 275 to 300 feet, and top-of-casing positioning 3 feet above ground surface with annular seals extending 20 feet below grade. The project scope encompasses constructing, developing, and performance testing these four new public-supply potable water wells. The determination of the low bidder will be based on total base bid cost combined with any County-selected alternates, with contingency pricing excluded from evaluation and fixed allowances not used to differentiate bidders.
The technical specifications establish standard construction parameters applicable to both treatment plant locations, ensuring consistency in well development and performance. No specific pricing, timeline information, set-asides, incumbent contractor data, or contract award details are contained within these schematic appendices, as they function solely as technical reference documents supporting the broader project specifications and bidding process.
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Text version
APPENDIX A
WELL MAPS AND SCHEMATICS
MARION OAKS #4 TYPICAL WELL CONSTRUCTION SCHEMATIC
NOT TO SCALE
Top Grout Annular Seal
20" x 16" Annular Space to a
Depth of 20 ft
Final Casing:
16" Steel
Depth: 175 ft ±
Nominal 16"
Open Borehole
Depth: 250 ft ±
20" Under Reamed Borehole w/ Neat Cement Grout
Bottom 5 ft
8" to 12" Pilot Hole
Depth: 275 ft ±
Neat Cement Grout
Top of 16-inch casing
3 ft above Ground
Surface
170 ft
175 ft
SUMMERGLEN TYPICAL WELL CONSTRUCTION SCHEMATIC
NOT TO SCALE
Top Grout Annular Seal
20" x 16" Annular Space to a
Depth of 20 ft
Final Casing:
16" Steel
Depth: 175 ft ±
Nominal 16"
Open Borehole
Depth: 275 ft ±
20" Under Reamed Borehole w/ Neat Cement Grout
Bottom 5 ft
8" to 12" Pilot Hole
Depth: 300 ft ±
Neat Cement Grout
Top of 16-inch casing
3 ft above Ground
Surface
170 ft
175 ft
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