Project: Borax Road Rumble Strip Road Work Description of Work: Installed rumble strip grinding and line stripe painting on road that enters/exits the plant. Contract Number: 3101798464 Type of Contract: Prime Contract Agency or Company work performed for: Rio Tinto Minerals, US Borax Inc. Address of Agency or Company: 14486 Borax Road, Boron, CA 93516 Initial Contract Amount: $30,000.00 Final Contract Amount: $40,206.00…
Project: Therapy Patient Care Area Conversion Description of Work: Converted old bath tub training room into therapy patient care area. Installed gauge studs and track over tile walls (695 sf.), installed backing to support wall mount sink, extended all electrical boxes and low voltage boxes to new wall surface, installed gypsum board at sink area, removed curtain…
Project: Rio Tinto Minerals – Tortoise Berm Maintenance Description of Work: Removed existing tortoise fencing, the area was re-graded, and the tortoise fence reestablished to promote proper drainage in that area. Additionally, soil tackifier used on suspect areas to minimize losing height of berm to high winds in light soil areas. Contract Number: 3101408706 and…
Project: Rio Tinto Minerals – Summer 2014 Pipe and Miscellaneous Repairs Description of Work: Re-established HDPE piping from bottom of pit (K5) to plant 10. Emergency repair of thickener 4 line to pit and transfer of pumps and pipeline work. Installed pipeline from pit (K5) near Plant 10. Contract Number: 3101401042, 3101401045, 3101520259, and 3101607868 Type…
Project: Rio Tinto Minerals – Environmental Re-Vegetation Supplemental Watering and Repairs Description of Work: Phase I: Supplemental watering of South dump 2011 final slope re-vegetation project. Phase II: Quarterly supplemental watering, monitoring, and repair of 2011 final slope re-vegetation plots. Contract Number: 3101435595 and 3101445828 Type of Contract: Prime Contract Agency or Company work performed…
Project: Rio Tinto Minerals – Wildlife Rehabilitation Center Relocation Description of Work: Installed office trailer (20 foot x 8 foot), ran a 2” HDPE waterline, hooked up electrical to trailer, and built outside wildlife cages on concrete pads. Contract Number: 3101538445 Type of Contract: Prime Contract Agency or Company work performed for: Rio Tinto Minerals,…
Project: Rio Tinto Minerals – BAP Pond Capacity Upgrade Description of Work: Completed such support work as: clearing and grubbing of topsoil and slopes for an area of roughly 70 acres. Installed approximately 5,000 feet of tortoise fence, over 13,000 feet of SDR 17 HDPE, a concrete valve pad, associated fittings, and necessary hydro-testing. Installed…
Project: 2000 Feet of Trench and SP2 Pad Description of Work: Trenched 2000 feet of trench, back-filled, and restored site. Additionally, demoed and replaced the SP2 pad area for new switchgear, miscellaneous concrete and fencing as required. Contract Number: 41018-0004 Type of Contract: Subcontract Agency or Company work performed for: Anderson & Howard Electric, Inc.…
Project: Otay Mesa “Tauro” Tunnel Remediation Support Services Description of Work: Remediated the tunnel under Ahtna’s direction. Inserted a steel plate bulkhead into the tunnel and drilled boreholes through which backfilled the tunnel. Contract Number: PO 0500159 Type of Contract: Subcontract Agency or Company work performed for: Ahtna Engineering Services, LLC Address of Agency or…
Project: Otay Mesa “April Fools” Tunnel Remediation Support Services Description of Work: Remediated the tunnel under Ahtna’s direction. Inserted a steel plate bulkhead into the tunnel and drilled boreholes through which backfilled the tunnel. Contract Number: PO 0500167 Type of Contract: Subcontract Agency or Company work performed for: Ahtna Engineering Services, LLC Address of Agency…