Attachment C-GroundPlanDet.pdf
PDF 46 KB Posted
- Attached to
- 6130-EGBA- SUNLIGHT / LeVITA: RN-15-0114
- Solicitation number
- RFP EGBA 2015000114 4
- Issued by
- Garfield County, Denver City, Colorado
About this file
This is a technical drawing specification document for the State of Colorado, Office of Information Technology (OIT) related to the Sunlight Tower Replacement project. The document provides detailed grounding plan specifications for a new self-support tower installation at an existing site that includes a guyed tower, weather station, site building, and LPG tanks. The grounding system design includes 10 ground electrodes, one grounding test well, bare stranded copper conductors, a buried ground ring, cadweld/compression connectors, and a ufer ground configuration. The design is noted as diagrammatic, with exact conductor locations to be determined in the field by the design/build entity. The document was prepared by Engineering Specialties Group on November 13, 2014 and is Sheet 3 of 3 in the project drawing set (Drawing No. 0697.01-11-1).
The contractor responsible for the project must test the resistance of the complete ground system and report results to the State of Colorado prior to backfilling excavations. The grounding test well detail specifies a 30-inch long by 6-inch Schedule 40 white PVC pipe with a 24-inch depth for ground wire placement, a 1-inch wide slot for ground wire extension 1 inch above the ground wire on each side, and a grounding test pigtail for resistance measurement. All specifications referenced in the document are contained in the project specifications, specifically Sections 4.7.7, 4.7.10, and 4.4.26. No tools shall be required to remove the cover at finish grade.
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Other files
| File | Type | Posted |
|---|---|---|
| Bid Alternates.doc | DOC document | |
| PerfBond.docx | DOCX document | |
| APPENDIX F- Budget Sunlite.doc | DOC document | |
| Questions & Responses .docx | DOCX document | |
| Appendix B (1).docx | DOCX document | |
| BuildingCodeCompliancePolicy.pdf | ||
| MBond.docx | DOCX document | |
| Appendix D- Specifications.docx | DOCX document | |
| Appendix B (2).docx | DOCX document | |
| RFP-2015000114 Sunlight.docx | DOCX document | |
| Appendix C .docx | DOCX document | |
| Attachment B-SitePlan.pdf | ||
| RFP-2015000114 Sunlight MOD1.docx | DOCX document | |
| Bid Bond.docx | DOCX document | |
| Bid Form.docx | DOCX document | |
| Attachment D-GeotechReport.pdf | ||
| Attachment A-approvedstatebldgcode.pdf |
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Text version
EXISTING GUYED
TOWER
NEW SELF-SUPPORT
TOWER
EXISTING WEATHER
STATION
EXISTING SITE BUILDING
EXISTING
LPG TANKS
Engineering Specialties Group
8501 Turnpike Dr #106, Westminster, CO 80031
303/482-3180
CLIENT: PROJECT: SHEET TITLE:
SHEET NO.
of
DRAWN BY: DRAWING NO.DATE:
STATE OF COLORADO - OIT SUNLIGHT TOWER REPLACEMENT GROUNDING PLAN
JRD 13 NOV 2014 0697.01-11-1
2 3
GROUND ELECTRODE PER SECTION 4.7.7 OF SPEC (10 TOTAL)
GROUNDING TEST WELL (1 TOTAL)
GROUND BAR PER SPEC SECTION 4.7.10
BARE STRANDED COPPER CONDUCTOR
NOTES:
-PLAN IS DIAGRAMMATIC, EXACT CONDUCTOR LOCATION TO BE DETERMINED IN FIELD
BY DESIGN/BUILD ENTITY
-REFER TO PROJECT SPECIFICATIONS FOR GROUNDING SYSTEM REQUIREMENTS
-DESIGN/BUILD ENTITY TO TEST THE RESISTANCE OF THE GROUND SYSTEM AND
REPORT THE RESULTS TO THE STATE BEFORE BACKFILLING THE EXCAVATIONS
UFER GROUND PER SPEC SECTION 4.4.26
NO TOOLS SHALL
BE REQUIRED TO
REMOVE COVER
FINISH GRADE
BARE STRANDED COPPER
WIRE GROUNDING TEST PIGTAIL
30" LONG x 6" SCH 40 WHITE
PVC PIPE
24"
BARE STRANDED COPPER
WIRE (BURIED GROUND RING)
CADWELD/COMPRESSION
CONNECTOR
1" WIDE SLOT FOR
GROUND WIRE.
EXTEND 1" ABOVE
GROUND WIRE, TYP
EACH SIDE
Engineering Specialties Group
8501 Turnpike Dr #106, Westminster, CO 80031
303/482-3180
CLIENT: PROJECT: SHEET TITLE:
SHEET NO.
of
DRAWN BY: DRAWING NO.DATE:
STATE OF COLORADO - OIT SUNLIGHT TOWER REPLACEMENT GROUND TEST WELL DETAIL
JRD 13NOV 2014 0697.01-11-1
3 3
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