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1990-05-07 Regular MeetingARCHITECTURAL REVIEW BOARD DISCUSSION NOTES May 7, 1990 The worksession opened at 7:25 p.m. in the Borough Conference Room. Members Present Members Absent Staff Present Ronald Chase Harold Hannon (Excused) Ray Camardella Cliff Ford Susan Workman (off island) Kaye McClain Robin Heinrichs Bill Beaty James Wheeler Brian Parsons Bob Shuttlesworth Dennis Nicholson (school board meeting) Mr. Camardella introduced the New Kodiak Island Hospital design team of Mills, John & Higdon and Coffman Engineers: Jonathan Higdon, Architect; Craig Comartin, Civil/Structural Engineer; Ed Langebartel, Mechanical Engineer; and Joel Eide, Electrical Engineer. The overall design concept was explained by Mr. Higdon. He detailed the contents of the 44-bed structure. The assembled group then addressed the technical items which had been questioned: Slab on Grade vs Crawl Space - Mr. Chase spoke in support of using a crawl space because of the versitility it allowed the contractors and staff in laying lines, making adaptations, etc. He felt the project would be done earlier and be more labor efficient if crawl space was incorporated in the design. Mr. Ford supported the concept from an electrician's point of view. Mr. Heinrichs commented the crawl space would eliminate placing ladders in halls, cutting trenches in the floors to seek sewer problems, and, if a sewer back up occurs, potential rivers in the halls. Stan Thompson, K I Hospital Maintenance Department, stated the overhead lines in the current hospital are a nightmare. They cause difficulty in running anything required by new technology. He felt a five (5) foot crawl space was not high enough and recommended an eight (8) foot space. Mr. Wheeler felt the points for a crawl space were well made. Mr. Rigdon indicated the ceilings in acoustical tile which could be pushed ranges from two (2) feet to twelve (12) bearing walls will have twelve feet of firewall above them. He not be used for concentrated duct work material included in the slab area. the hospital building will be lay -in up to access the overhead area, which feet. He also indicated the eight foot also indicated the hall ceilings could The waste piping could be the only Mr. Comartin stated it would take from six to nine months after ordering structural steel for a crawl space for it to arrive on the island. The design team feels the crawl space would add to the initial cost and extend the time of construction. Addition of a catwalk in the waste space above was discussed as an alternative to a crawl space. It was agreed lighting and convenience outlets would also be advantageous. The board members were split between crawl space and slab construction, but all agreed the catwalk alternative was a good one. Roof Design - Mr. Heinrichs was concerned with the valleys in the roof filling with ice and snow in the bad weather. Mention was made of the possible use of Snojax to eliminate slides. Mr. Rigdon mentioned the addition of roof drains and the fact that the slope in the roof design should take care of the buildup. Mr. Thompson indicated the roof drains on the present hospital are two (2) inches and plug up in three (3) months with spruce needles and dust from the Katmai Volcano eruption of 1912. There was discussion of placing drains over the heated area and the use of lead coated heat tape in down spouts with manual turn on/turn off to eliminate the ice damming. Storage Space - It was generally agreed there was little room for designing more storage. Snow Mats - Snow mats for ice and snow removal were eliminated from the original concept drawings. The drainage problem beyond the end of the mats and the cost were two main considerations. The consensus of those present was to put in electric snow mats at the main, emergency and ICF entrances as an alternate. Incinerator - It is hoped the need for an incinerator will be eliminated by an alternate plan which is under consideration. Present hospital usage is about - 100 pounds a week. The incinerator will be eliminated from the design. Number of washers and dryers - Plans include two washers, which will handle 135 pounds each and four electric dryers which will handle 110 pounds each. Electrical Service Size - Mr. Ford questioned whether the size of the standby generators was too large. Mr. Ride indicated there are three areas of power which are critical in a power outage: 1) life safety load, 2) critical power, and 3) essential equipment. These are required to be backed up by one generator. The second generator would increase the capacity to carry the additional load of other areas of the hospital should a prolonged outage occur. Reduction of the size of the generators is a possibility and would result in considerable savings. Boilers, Size, Number, etc - Plans call for three (3) oil fired boilers. Each boiler is capable of handling 50 to 60% of the load. The third boiler would be used for backup. Hot water lines are served by the boilers with room water mixed down to 140 to 120 degrees. The steam required for hospital use is generated by electric boilers. Discussion centered on the use of low pressure boilers with a heat exchanger, high pressure boilers and hot water boilers. It was felt there might be a logistic problem with a split system. Discussion of fire tube vs cast iron pipe indicated that fire tube is acceptable. It was decided that a LP steam system with electric steam only source for the autoclave was the most economical system, saving $140,000 in annual operating costs. CControl System - Pneumatic vs Electronic was discussed. The pneumatic systems C C s have been the workhorse for years while the high tech electronic systems are becoming less expensive. A hybrid system was discouraged. Generally the direct digital controls (ddc) (electronics) are more versatile and received the consensus vote. Fuel Tank - The plans call for a double walled tank with leak detection. It meets EPA requirements. The specs currently do not specify the type of material and will be revised to be fiberglass. Cabinet Unit Heater Schedule - Is to be added. This was an omission by the Mechanical Engineer. Sewer Main Design - The design slope is one (1) percent minimum. There was some concern expressed over disposing of some existing lines. This discussion ended at 10:15 p.m. Mr. Camardella provided, to those board members present, copies of the four proposals for the wastewater and water supply facilities feasibility studies presentations which will be made at the meeting at 6:30 p.m., Monday, May 14, in the Assembly Chambers. He explained the selection/evaluation criteria and reviewed how the contents are set up. He asked the board members to write down any questions they might have for presenters on Monday night and be prepared to ask those questions then. The group informally discussed the CT scan building and the Chiniak Tsunami/Library Center. The group left the meeting at 11:00 p.m. Notes prepared by: e Kaye '. McClain, Secretary Engin ring/Facilities Department