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Roseville Skating Center and City Hall Campus <br />Feasibility Study September23. 2007 <br />TABLE OF CONTENTS <br />EXECUTIVE SUMMARY ..........................�,....................,.........�.,..,..,�...............�..,.......... i <br />1. INTRODUCTION ............................................................................................... 1 <br />1.1. Background............" .......................�.............,..,..,.,�............................ ,.1 <br />1.2. Purpose and Scope ........................................................................................... l <br />2. DESCRIPTION OF FACILITIES & EXISTING MECHANICAL SYSTEMS ......... 2 <br />2.1. Ice Arena and Banquet Hall ............................................................................... 3 <br />SpeedSkating Oval ..............�,.....................................................................................4 <br />2.2. City Hall 1 Public Safety guildin� ... ..... ..... ....... ...... . ...... ...... .... ..... .... 4 <br />2.3. Public Works Buildir�g ........................................................................................ 5 <br />2.4. Fire Hall.._....... ... ,.. ... ... ... .... ...5 <br />...... .. ..... .. . ..... . <br />3. ENERGY CONSUMPTION OF EXISTING SYSTEMS ...................................... 5 <br />3.1. Ice Arena and Banquet Hall ...............................................................................6 <br />3.2. Speed Skating Oval .......................�.,...........,..�.....�.�..........................................8 <br />3.3. City Hall ! Public Safety Building ........................................................................ 9 <br />3.4. Maintenance Garage ....................................................................... �............... � 0 <br />3.5. Fire Hall ...........................................................................................................11 <br />4. POTENTIAL FOR HEAT RECOVERY FROM REFRIGERATION PLANT.......12 <br />4.1. Ice Arena and Banquet Half_____..____.._________�__�_____...._____.._.______�_W__.W__...___... T� <br />4.2. Speed Skating Oval ... .. .... .... . ...... .... .. ..... .... ... .... � 3 <br />5. SYSTEM INTEGRATION WITH OTHER CAMPUS BUILDINGS ..................... 13 <br />5.1. Thermal Energy Storage: Ground Heat Exchanger (GHX) ..............................14 <br />5.2. Excess Thermal Energy at the Ice Arena and Banquet Hall ............................ 15 <br />�.3 Integrating Other City Hall Campus Buildings .... .... . .. .... ... ... � 7 <br />�. POTENTIAL ENERGY COST REDUCTION BY INTEGRATION ..................... 19 <br />7. GREENHOUSE GAS (GHG) EMISSION REDUCTION ................................... 21 <br />�. CAPITAL COST .. ..... . .. ...... .. . . .... ....... .. ...... ..... .... ... 22 <br />d.1. Ice Arena 1 Banquet Hall .................................................................................. 22 <br />�. RECOMMENDATIONSAND CONCLUSION� ................_......._.............._........ �7 <br />�_1. The Ice Arena: Banquet Hall. ... . . , ..... ..,., .... ..,... . �7 <br />�.2. City Hall / Public Safety guildin� ���. ,� ���� ���� , , ��� ������ � � .... �7 <br />9.3. OtherCampus Buildings .................................................�.,..,................,..........28 <br />CLOSURE................................................................................................ .. 30 <br />Geo-Xergy Systems ii <br />