Virginia Department Of Health
Water Well Services/ Subsurface Exploration
Well Installation and Well Abandonment ( WIIN24- 02_ W& WA)- Well Installation and Well Abandonment
Bid Close Date:
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Water Well Services/ Subsurface Exploration
Well Installation and Well Abandonment ( WIIN24- 02_ W& WA)- Well Installation and Well Abandonment
Bid Close Date:
Offshore Exploration
Critical min. Inv. Tx cores offshore wat - critical min. Inv. Tx cores offshore wat
Critical mineral investigation of Texas cores collected in offshore waters. Critical mineral investigation of Texas cores collected in offshore waters.
Bid Close Date:
Exploration Services
Rfb- 13- 27 ****, hopkins county
Construction Services, including maintenance and repair Exploration drilling to verify coal mine, location of rooms and pillars, downhole camera verification, adjustment of proposed hole locations for grouting, drilling of six- inch plus diameter holes, casing holes with PVC pipe, use of sediment filter bags or equivalent system, flushing holes with water, methane monitoring, capping holes or inserting PVC casing if methane is encountered, excavation and filling of subsidence holes with riprap, covering with filter fabric and compacted material, excavation and filling of collapses in ditch lines with riprap, sealing mine workings with rock and grout, closing potential mine openings with wildlife accessible closures.
Bid Close Date:
Lot 1: ONLY ONLINE BIDS WILL BE ACCEPTED FOR THIS RFB. Emailed and hard copies delivered by any method WILL NOT BE ACCEPTED. On this line, Bidders must enter $ 0. 00 for Contract Amount in the e- procurement system. Actual Contract Amount must be entered on " Official Bid Document" and submitted as an attachment in the e- procurement system. Vendors should review and update, if necessary, all addresses and contact persons for their account prior to bid submission. This information will carry forward to a contract if awarded, therefore please ensure all information is correct. Entire Official Bid Document and Bid Bond ( if required) should be combined as one PDF and uploaded The work will consist of exploration drilling to verify the # 11 seam coal mine and location of rooms and pillars. During the exploration drilling phase, AML employees will utilize a downhole camera to verify current conditions in the mine and to determine the extents of the rock and shale fracturing from the mine subsidence. Once the exploration phase is complete, AML staff will make any necessary adjustments to the proposed hole locations for grouting the coal seam. Six- inch plus diameter holes will be drilled to the # 11 coal seam in the specified order. The hole will be cased through the soil horizon into solid competent rock with 6- inch diameter PVC pipe. A box utility trailer with sufficient volume capacity, Non- Woven, Polyethylene Geotextile Sediment Filter Bags or an equivalent system shall be used to capture all cuttings from all drill holes to minimize sediment deposits in the yards. Approximately 400 gallons of water will be required to flush each hole. Methane monitoring is the responsibility of the contractor, and if methane is encountered, the contractor must immediately implement a plan to secure the area. This may require the contractor to cap the hole or insert 3- inch diameter PVC casing to a minimum of 10 ft above the ground or as designated by the engineer. A subsidence hole measuring approximately 40ft x 45ft across and approx
Water Play/ Sensory Exploration
Innovative, elevated play- based learning through engaging indoor/outdoor STEAM early learning materials, including a mobile magnetic wall.
Early learning materials for indoor/outdoor STEAM education, including a mobile magnetic wall. 4 Kodo Outdoors Comprehensive Set 4 Kodo Outdoors Basic Set 4 Weaving Wall 4 Ball Holder 4 Magnet Wall Walls Pack 4 Magnet Wall Aqua Circuits Pack 4 Magnet Wall Water Pack 4 Magnet Wall Chutes and Tubes Pack 4 Pump Works 4 Outdoor Mobile Magnet Wall
Bid Close Date:
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