1. Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil 11/04/2008 UNCLASSIFIED 1 OF 18 Army Cost Analysis for Stabilization and Demolition of Select Buildings at Site Summit 12 Nov 2008 Directorate of Public Works

2. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Cost Analysis Army cost analysis includes the following properties: –Battery building –3 Clamshells –3 sentry stations –Launch control building –Vehicle maintenance and repair –Missile maintenance facility –2 electrical substations –Dog kennel 2 OF 18 Properties not analyzed in Army cost analysis: –Missile launch and storage facility 1 and 2 –Road, helicopter pad and vehicle garage foundation –HIPAR building and foundation –Magazines (high explosive, guided missile, missile warhead and fuse and detonator –B and C Electrical Substations

3. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Demolition For this cost analysis ‘demolition’ includes the following costs: – The safe removal of hazardous materials (such as lead paint and asbestos containing material) that have been identified or safely assumed to exist in specific buildings –The removal of demolished materials from the site and the deposition of materials in the required location (land fill or suitable haz mat cell as approved by the EPA) –The expected costs, risk insurance, contractors fees, permits, dumpsters, equipment, contractors, and all necessary time required for the required removal of material and demolition of complicated buildings 3 OF 18

4. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Stabilization For this cost analysis ‘stabilization’ includes the following costs: –The above costs that would be associated with the abatement and removal and disposal of hazardous materials. –This analysis includes the method of stabilization as recommended by the NPS in their report and when options were provided the simplest method was chosen. Simply put buildings were stabilized by being weather-proofed simple roofs were applied when necessary and windows and doors were sealed to prevent access by trespassers and weather. The most cost effective solutions were sought. 4 OF 18

5. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Costs Included in Figures: General contractors fees Subcontractors fees Permit fees Performance bonds Workmans Comp insurance Builders risk insurance Overhead Equipment fees Site work fees (dumpsters and removal, haz mat equipment, sampling equipment, qualified personnel) Framing and scaffolding necessary to access all facilities 5 OF 18

6. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Battery Building Demolition* 3-story wood portion only –$627,223 Entire structure including concrete portion –$765,322 Stabilization* 3-story wood portion only –$1,428,828 Entire structure including concrete portion –$1,671,443 Annual Maintenance Cost –$48,523 6 OF 18 *Includes cost of abatement

7. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Clamshell Radar Demolition* $64,557 per clamshell Removes clamshell except for foundation Stabilization* $63,030 per clamshell Retains entire structure, removes sheathing and insulation from outside Annual maintenance cost –$485 per clamshell 7 OF 18 *Includes cost of abatement

8. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Launch Control Building Demolition* $263,019 Removes entire structure, retains foundation Stabilization* $407,100 Replaces roof, interior structural components, outer sheathing Annual maintenance cost –$15,700 8 OF 18 *Includes cost of abatement

9. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Vehicle Maintenance and Storage Facility Demolition* $144,292 Removes entire structure, retains concrete foundation Stabilization* $244,723 Replaces interior framing, roof and outer sheathing Annual maintenance cost –$10,010 9 OF 18 *Includes cost of abatement

10. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Missile Maintenance Facility Demolition* $68,859 Retains concrete and metal framing, removes roof, wood framing and outer sheathing Stabilization* $116,752 Replaces roof, outer sheathing Annual maintenance cost –$5,360 10 OF 18 *Includes cost of abatement

11. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Electrical Substations Demolition* D1 and D2 –$102,236 each Removal of Sheetmetal Metal Frame to remain Intermittent examination of bolts, with replacement as necessary Stabilization* D1 and D2 –$152,236 each Annual maintenance cost –$5,000 Repair sheetmetal and roof Seal door to prevent entry 11 OF 18 *Includes cost of abatement

12. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Sentry Station 1 (39219) Demolition* $6,183 Includes removal of everything except foundation Stabilization* $8,302 Annual maintenance cost –$502 Replace roof Cover windows and door with plywood to prevent unauthorized entry 12 OF 18 *Includes cost of abatement

13. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Sentry Station 2 (39221) Demolition* $12,136.68 Includes removal of everything except foundation Stabilization* $13,759.78 Annual Maintenance Cost –$672 Replace roof Cover windows and door with plywood to prevent unauthorized entry 13 OF 18 *Includes cost of abatement

14. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Sentry Station 3 (39231) Demolition* $14,385 Includes removal of everything except foundation Stabilization* $17,431 Annual maintenance cost –$869 Replace roof Cover windows and door with plywood to prevent unauthorized entry 14 OF 18 *Includes cost of abatement

15. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil From AAHP Recommend if costs of stabilization exceed cost of demo that building is left ‘as is’ until funds become available. Recommend minimal protection/stabilization which would include sealing the building in plywood and weatherproofing the roof until such time as private or other funds become available. If demo is the only option consideration should be given among future partnering opportunities and possibilities to allow for a future interpretive option which could include a concept such as outlining of the building mass in tubular weathering steel. 15 OF 18

16. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil FONSS Pleased and concurs with NPS EXCEPT: –They don’t feel the Launch control building could be stabilized inexpensively and feels the cost analysis needs to address the three different components of the building. –A full EPA and OSHA compliance analysis should be conducted and the cost analysis should be updated as necessary prior to any demolition. –They encourage USAG AK to pursue securing the concrete wing and re-roofing as soon as possible. –Recommend cost comparisons prior to any action being undertaken. –These reports are all based on visual assessments a hazardous materials survey must be completed prior to demo or stabilization and update costs as necessary. 16 OF 18

17. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil SHPO and ASLA SHPO Recommend partial retention of the Launch control building be considered. This document provides a basis for continued consultation. ASLA Pursue additional funds for stabilization of Battery Building due to the visual impact demo would cause. 17 OF 18

18. 11/04/2008 UNCLASSIFIED Meg Thornton/IMPC-FWA-PWE/(907) 361-3002/meg.thornton@us.army.mil Recommendation Retain All 3 Clamshells Battery Building –retain concrete wing and foundation Metal Frames of Electrical Substations –remove sheet metal siding and roof Missile Maintenance Facility –retain foundation and lower concrete walls –remove siding, upper wood framing and roof Document and Demolish Launch Control Facility –retain concrete foundation Vehicle Maintenance Facility –retain concrete foundation Dog Kennel –retain concrete foundation and footprint Battery Building –retain foundation –exterior stairwells –preserve interior wall art for future interpretation Sentry Stations –Retain concrete foundation 18 OF 18