OLD WORKS/EAST ANACONDA
DEVELOPMENT AREA OPERABLE UNIT
GOLF COURSE UTILITIES
Engineering Report
for Water and Sewer Main Certified Checklists
Prepared for:
ATLAt'''IC RICHFlELD COMPANY
307 East Park Avenue, Suite 400
Anaconda) Montana 59711
Prepared by:
ESA CONSULTANTS INC.
215 W. Mendenhall, Suite C-1
Bozeman, Montana 59715
. March 17, 1995
OLD WORKS/EAST ANACONDA
DEVELOPMENT AREA OPERABLE UNIT
GOLF COURSE UTILITIES
Engineering Report
for Water and Sewer Main Certified Checklists
Prepared for:
ATLANTIC RICHFIELD COMPANY
307 East Park Avenue, Suite 400
Anaconda, Montana 59711
Prepared by:
ESA CONSULTANTS INC.
215 W. Mendenhall, Suite C-1
Bozeman, Montana 59715
. March 17, 1995
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This report is a compilation of engineering data and calculations supporting the attached
Sewer Main and Water Main Checklists. For ease of review, the following section headings
are numbered to correlate to those in the regulations (Ten State Standards and Circular
WQB-I). Pertinent supporting information, data and calculations are as follows:
Sewer Main Certified Checklist:
Section 22
The proposed sewer main extension is shown on the Golf Course Utilities
Plans, Sheet S-1. The sewer will provide service to the Old Works Golf
Course, currently under construction to the north. Other nearby areas
(subdivision to the west, ball fields to the south, and an industrial park to the
east) are all currently serviced by the existing sewer system. There are no
anticipated future connections to the proposed sewer main, except the
Clubhouse. Clubhouse flows are included in the calculations (see Appendix
A).
Section 23
Design flow calculations are included in Appendix A.
Water Main Certified Checklist:
Section 1.1.1 Two sets of construction drawings are attached. The two-drawing set, "Water
Line to East Halfway House, or shows the section of water line that has already
been constructed; connection to the existing water system has not been made.
The second set, "Golf Course Utilities," shows additional water mains (see
Sheets W-l and W-2) and the two connection points to the existing water
system. Sewer facilities are shown on Sheet S-I.
Section 1.1.2 There are two distinct water mains under review:
a) Water Supply to Maintenance Building and Clubhouse
b) Water Supply to East Halfway House
The areas to be served by these water main extensions are described in the
Water Line Calculations (Appendix B). The water supply to the East Halfway
House includes provision for a future connection to the Dragstrip to the east;
no other future connections are anticipated. Anticipated water requirements
for the Dragstrip are addressed in Appendix B.
Section 1.1.5 Water use data is included in Appendix B. Sanitary Sewer data in Appendix A
and C are referenced and used in estimating overall water usage rates.
Section 1.1.6 Flow and pressure calculations are provided in Appendix B.
APPENDIX A
SANITARY SEWER CALCULATIONS
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HYDRAULICS
EXAMPLE: The dotted line shows that the
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Globe v::;e. Open _________
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Resistance of Valves Sind Fittings to Flow of fluids
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