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Russian Mission Report & Concept Design Waste Heat Recovery 1991
REPORT AND CONCEPT DESIGN RUSSIAN MISSION WASTE HEAT RECOVERY February 14, 1991 ABM Frank Moolin & Associates, Inc. A Subsidiary of ENSERCH Alaska Services, Inc. A Ue 8. 9. ao > WwW oa -o,7 oO oclUlUCcCOmUmUCOCOUCUCUCO RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN TABLE OF CONTENTS EXECUTIVE SUMMARY INTRODUCTION DESCRIPTION OF SITE VISIT POWER PLANT DESCRIPTION POTENTIAL WASTE HEAT USER BUILDING DESCRIPTIONS 5.1 Schools High School Elementary School Home Economics Bldg. Pump House Preschool/Kindergarten Teacher Housing anooo Re eee Amr wnrore 5.2 Community Buildings 1 Com 5.2.1 City Gym 5.2.2.=Clinic 5.2.3 City Building RIGHT -OF -WAY/EASEMENT CONCEPT DESIGN ECONOMIC DATA FAILURE ANALYSIS 10.0 CONCLUSIONS AND RECOMMENDATIONS APPENDICES 1. Calculations 2. Cost Estimates SE Raw Data WTHTRM/RCD FEBRUARY 14, 1991 REPORT LIST OF FIGURES AND TABLES Existing Power Plant Photographs Russian Mission Power Generation Data High School Photographs Elementary School Photographs Home Economics Building Photographs Pump House Photographs Preschool/Kindergarten Photographs City Gym Photographs Clinic Photographs City Building Photographs Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Graph 1 Graph 2 KH OONDNLPWMHrH WTHTRM/RCD Legend System Site Plan Assumed New Power Plant Floor Plan Assumed New Power Plant Cooling Schematic System Schematic High School Floor Plan High School System Schematic Pump House Floor Plan Pump House ‘System Schematic - Typical Trench Section RUSSIAN MISSION WASTE HEAT RECOVERY AND CONCEPT DESIGN FEBRUARY 14, 1991 NORE ' Anrwnrnreo — 7 SONNY OOPS ' WD eRe Re HOON REE RP ONOW HRW 1.0 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 EXECUTIVE SUMMARY A potential for waste heat recovery exists in the community of Russian Mission. Russian Mission is a community of approximately 200 people on the north bank of the Yukon river 65 miles southeast of St. Mary’s. The waste heat from the coolant of diesel engine-generator sets owned and operated by Alaska Village Electrical Cooperative (AVEC) could be recovered and circulated to heat portions of the community. The AVEC power plant is currently located next to the Yukon river, within the river’s flood plain, and is subject to spring flooding. AVEC is planning to move its power plant out of the flood plain, but a new location and timetable have not been finalized. A tentative location has been selected by AVEC adjacent to the existing school complex and this location is used in this report. The building that the power plant currently occupies belongs to the City and can not be moved. Relocation of the power plant will require construction of a new building. This location adjacent to the school is a preferred location since the school complex can use more than all of the waste heat available. Scenarios for waste heat recovery vary only in which buildings in the complex are connected. The complex includes separate buildings for a high school, elementary school, preschool/kindergarten, home economics, school operated pump house, and seven (7) housing units in addition to smaller structures. Piping costs and heat loss could be reduced by locating the power plant within the school complex, rather than adjacent to the complex, since it would be closer to the buildings served. However, this would require additional sound attenuation and would raise safety and land ownership problems. Proposed Scenario - The pump house and part of the high school are connected to the waste heat recovery system. The advantages are that virtually all of the available waste heat is recovered by serving only the two largest users. In fact the waste heat recovery system would not meet the mid winter heating requirement. The disadvantage is that the high school would not be completely served, since it has two separate mechanical rooms and would require five (5) separate heating elements to serve all of its heating systems. The following estimated cost includes relocating the power plant. Total Estimated Project Cost $595,808 Total Fuel Oil Savings 10,000 Gallons Total Annual Fuel Cost Savings $ 15,500 (0&M Cost $ 6,900) WTHTRM/RCD a RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 Additional scenarios could be developed to serve alternate buildings in the school complex or the community buildings (city hall, city gym, and clinic). These buildings would require additional piping and do not present any advantages over the buildings in the Proposed Scenario. Information is presented in this report to describe these buildings in order to identify their potential for future expansion of the waste heat system only. Alternate scenarios using these buildings are not recommended. 1.1 Decision Criteria 1.1.1 Proximity The cost of running the waste heat recovery piping limits this project to the buildings in the immediate area of the relocated Power Plant. The location of the Power Plant is an integral factor. 1.1.2 Potential future growth future Users. At the time of the site investigation (February 1990), construction was nearly finished on the new preschool and there are tentative plans for a sewage treatment plant. No other community expansion was known’ to_ the investigating team. 1.1.3 Community Desires/State Priorities The Mayor and City council members, that were interviewed, indicated a preference for using waste heat in the community gym and community clinic. They were supportive of using waste heat at the school. The principal was certainly interested in reducing the cost of heating the school and reducing maintenance costs and requirements. A summary of the construction cost estimates along with design and SIOH costs is included in the Cost Estimate Appendix for each alternative. WTHTRM/RCD ae 2.0 Ra 22 2.3 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 INTRODUCTION Objective The objective of the field investigation and report is to ascertain the viability of waste heat recovery and use in the community of Russian Mission. It has been established that there is a potential source and use for the heat energy, and that the community is interested in pursuing this project. Methodology The investigation and analysis were approached as follows: is Pre-site Visit: Information collection consisted of contact with community officials, owners/operators of potential user buildings, power plant operators, and gathering land use/ownership information. ies A informational meeting was held with A.V.E.C. engineers and offices to ascertain A.V.E.C.’s position and requirements on utilizing waste heat from their plant. AVEC indicated a strong preference for relocating their plant to high ground and utilizing external radiators. 35 Field Investigation: Coordination with building owner/operators and local elected officials was performed. Photographs were taken of the potential user buildings as well as the boiler/furnace equipment. The power plant was also photographed. Available fuel costs and heating records were obtained from each interested potential recipient of waste heat (in general this information was not available). 4. Office Analysis: Additional information regarding weather and historical trends were collected. Where specific fuel use records were not available, approximate heat loss calculations were made to estimate fuel use. This information used to produced a model to predict the system performance and the amount of energy recovered. 5. Report Preparation: A draft report was prepared for the prospective clients. Community Description Russian Mission is a community of approximately 200 people on the north bank of the Yukon river 65 miles southeast of St. Mary’s. The Russian’s established a trading post and mission here in the early 1830’s. There has been continuous settlement ever since. Aside from the schools and the stores, the main employment in the WTHTRM/RCD 2-1 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 community is commercial fishing and subsistence activities. Fuel cost at the time of the site visit was $2.24 per gallon for the School and $2.25 per gallon for the City. 2.4 Applicable Codes and Regulations The most recently State of Alaska adopted editions (1985 for all except as noted) of the following codes and regulations have been used in the preparation of the concept design. These are listed below: Uniform Plumbing Code (UPC-1979) Uniform Mechanical Code (UMC) Uniform Building Code (UBC) Uniform Fire Code (UFC) National Electrical Code (NEC-1990 - Pending adoption) National Fire Protection Association (NFPA) WTHTRM/RCD ero RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 3.0 DESCRIPTION OF SITE VISIT Two engineers from Frank Moolin and Associates, Inc. visited Russian Mission on February 15th and 16th, 1990. They visited every facility listed in this report and obtained available copies of fuel usage and copied or sketched floor plans and piping diagrams. Contacts: Larry Evan - 584-5111 - Mayor Mary Beaver - 584-5111 - Vice Mayor Olga Evan - 584-5111 - City Clerk Dan Gillan - 584-5126 - Principal John Turner - 584-5126 - School Maintenance Larry Evan - 584-5315 - Power Plant Operator WTHTRM/RCD 3 hciel 4.0 4.1 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 POWER PLANT DESCRIPTION Narrative Description The power plant is housed in a an approximately 20’x 32’ metal skinned building with internal switchgear and shop space. Power is generated by one Cummins and two Caterpillar generators with approximate prime power capability as follows: Generator #1 - Cummins LTA 10, serial number 34531213 - 110 KW Generator #2 - Catapillar 3304D7, serial number 83Z01208 - 90 KW Generator #3 - Catapillar 3304D7, serial number 83Z01238 - 90 KW The generators use number 1 fuel oil year round. All of the engine cooling system piping is presently configured using Victaulic fittings. Cooling for the plant includes one external, horizontal core radiator for engine #1 and a skid mounted, internal radiator on each of engine #2 and #3. AVEC is desirous of making all the radiators external as part of the waste heat recovery modifications. However, since only one genset normally operates, only two common radiators are sufficient. As part of the wasteheat modifications, it is proposed that the gensets be manifolded together, the existing skid mounted radiators removed, and a second external horizontal core radiator added to provide back-up for the first. The two external radiators would be common to all three gensets. AVEC has considerable experience with wasteheat recovery and has developed requirements for their plants. Features of waste heat recover installations as required by AVEC include: - dual mechanical building ventilation cooling systems - welded piping (no grooved joint) - lug style butterfly or gate valves (bolted both sides) - variable frequency drives on horizontal core external radiators - 3/4" - 1" bypass around AMOT valve to keep radiators warm - non-bladder type common expansion tank - standby gensets kept warm by auxiliary electric pumps - full pipe size AMOT valves (less than manufacturer’s recommended 2 psi pressure drop) - separate heat exchanger and secondary system for plant waste heat use - main waste heat exchanger and secondary components placed outside power plant in enclosed platform At Russian Mission, the ventilation systems, AMOT valve bypass, AMOT valve, and one of the horizontal core radiator systems are existing. Even though they are existing, reconfiguring them WTHTRM/RCD 4-1 4.2 4.2 4.3 4.4 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 makes the cost of this waste installation relatively high. This high cost of installation is further increased by the cost of relocating the power plant. Relocation of the Power Plant Because of recent flooding, AVEC is interested in relocating this plant to higher ground. They have selected a proposed a site to the west of, and across the road from, the school complex. The present generator building does not belong to AVEC and is to be left at its present location. This is according to the City, the current building owner. The new location will require a new building and. some attention to sound attenuation will be required, due to its proximity to the school and teacher housing. There is a fork lift and crane in town large enough to transport the generators to the new location. This area is near present power distribution lines and within 350’ of the school’s barge fuel fill line. It is possible to locate the plant closer to both the barge fuel fill line and the “buildings to be served with waste heat. This location would be in the school complex, however. It would require additional sound attenuation and would raise safety and land ownership problems, and is not considered in the scenarios. Relocation of the power plant will additionally require relocation of the plant fuel tank farm and fill piping. Relocation of the tank farm will additionally require the installation of a dike and liner system for fuel containment to comply with EPA regulations. Floor Plan and Schematics Since the relocated plant will be a new structure, the floor plan and schematic provided are for a new plant, similar to other AVEC plants. See Figures 3 and 4 for simple floor plans and schematics of the system (located in Section 7). Photographs See the attached copies of the original color photographs of the existing power plant and generators. Load information Attached table 1 contains the utility load data for 1988 and 1989. WTHTRM/RCD AD Russian Mission Power Plant Power Plant Interior 5.0 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 POTENTIAL WASTE HEAT USER BUILDING DESCRIPTIONS During the site visit, all major buildings within a reasonable distance of the new power plant site were considered. The buildings were visited and information about them gathered. The information collected is presented below. The piping distances assume the power plant is sited near the school at the location presently identified by AVEC. Note: Figures used for the fuel consumption of buildings under consideration for waste heat usage are based on _ incomplete records and estimates by local officials. No fuel data was available on a monthly basis. All fuel consumption figures are assumptions based on owner provided full-year fuel figures in the case of the school complex and verbal estimates for the other buildings. Heat loss and annual degree day calculations were used to check the accuracy of the reported fuel consumption and adjustments were made as noted. WTHTRM/RCD 5-1 Se RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 Schools - The school complex fuel consumption was calculated as 24,200 gallons from the tank volume and tank freeboard records, and no specific data is available for individual buildings or facilities. Approximate heat loss and domestic water heating calculations were performed for each facility in order to establish individual facility use. The total of the individual calculations, 26,000 gallons, compares favorably with the tank farm calculations. The individual calculated values were used for the facilities as noted below. Calculations are included in Appendix 1. 5.1.1 High School The High School is a relatively new wood frame structure of approximately 6000 square feet. It has two mechanical rooms, one in the original portion and another in the newer portion of the building. The original mechanical room has one Weil-McLain BL-576-W-S boiler of 336,000 BTU/HR output, a Jackson and Church duct furnace approximately 400,000 BTU/HR output, and a Bock 541E oil fired domestic hot water heater of 450,000 BTU/HR output. The newer mechanical room has two Weil-McLain P-466HE boilers, each of 144,000 BTU/HR output and a Bock 32E oil fired domestic hot water heater of 79,000 BTU/HR output. The High School is piped partially to utilize waste heat from the schools generator when it is operating. This facility is 220 feet from the proposed power plant site, and will require 350 feet of waste heat piping (one way). It is proposed to only supply waste heat to the original mechanical room, which provides over 75% of the heating capacity. The calculated annual fuel use of the High School is approximately 5,200 gallons with 3,900 annual gallons credited to the original mechanical room equipment. The preferred waste heat recovery method is a heat exchanger in the boiler return water piping, a coil in the furnace return air duct, and a double-wall domestic hot water heat exchanger. WTHTRM/RCD 5 - 2 Russian Mission High School High School Upstairs Boiler RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 5.1.2 Elementary School WTHTRM/RCD The Elementary school is approximately 30 years old and is approximately 4200 square feet. It uses two oil fired hot air furnaces. One furnace is a Trane model of 85,000 BTU per hour. The other is original and unmarked, but estimated at 140,000 BTU/HR. This facility is 440 feet from the proposed power plant site. Calculated annual fuel use is approximately 3000 gallons. The preferred method of waste heat recovery is heating coils in the two furnace return air ducts. Russian Mission Elementary School Elementary School Outside Furnace RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 5.1.3 Home Economics Bldg WTHTRM/RCD The home economics buildings is the old generator building and is approximately 580 square feet. It uses an oil fired 81,000 BTU/HR hot air furnace for heat. This facility is 330 feet from the proposed power plant site. Calculated annual fuel use is approximately 500 gallons. The preferred method of waste heat recovery is a heating coil in the furnace return air duct, or to install a cabinet unit heater. Russian Mission Home Economics Building (High School in background) RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 5.1.4 Pump House WTHTRM/RCD The pump house is owned by the city but operated by the school district on a 20 year contract and located in the school complex. It and the circulating water system are heated by two oil fired Burnham boilers, each with an output of 260,000 BTU/HR. The circulating water is heated from 40°F to 60°F through a shell and tube heat exchanger. The pump house is approximately 860 square feet. This facility is 500 feet from the proposed power plant site, and will require 290 feet of additional waste heat piping (one way) from the High School. Calculated annual fuel use is approximately 8,900 gallons. Of this, 700 gallons goes to building heat and 8,200 gallons to heating water for the circulating system. This compares well to a verbal estimate reported of approximately 10,000 gallons per year. The preferred method of waste heat recovery is a heat exchanger in the boiler return piping. Russian Mission Pump House Pump House Water Heaters RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 5.1.5 Preschool/Kindergarten WTHTRM/RCD The preschool was in the final stages of construction at the time of the site visit. It is approximately 1700 square feet and uses an oil fired Weil-Mclain P-468V-VT 151,000 BTU/HR boiler for heat. This facility is 570 feet from the proposed power plant site. Calculated annual fuel use is approximately 1000 gallons. The preferred method of waste heat recovery is a heat exchanger in the boiler return line. 5 - 10 Russian Mission Preschool/Kindergarten Preschool/Kindergarten Boiler RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 5.1.6 Teacher Housing WTHTRM/RCD There are 5 wood frame teacher houses and two modular (trailer) housing units. All use oi] heat and were not considered in this study. If the load on the power plant went up dramatically and provided sufficient waste heat, these housing units could be added to the _ system. Calculated total annual fuel use is approximately 8500 gallons. Sele RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 52 Community Buildings Reported fuel usage for the community buildings was not reasonable. Approximate heat loss calculations were used to estimate usage. Heat loss calculations are shown in Appendix 1. 5.2.1 City Gym A relatively poorly insulated wood frame structure of approximately 3500 square feet with a Burnham MFB/301 150,000 BTU/HR boiler that can burn either wood or oil. This facility is 750 feet from the proposed power plant site. The preferred method of waste heat recovery is a heat exchanger in the boiler return line. The fuel consumption figures were reported by the Mayor and checked by heat loss calculations. Reported annual fuel use was 1000 gallons. Calculated annual fuel use is approximately 3000 gallons. The reported gym fuel estimates appeared low and were adjusted to heat loss calculated. The distance estimates are from a power plant location by the school. WTHTRM/RCD 5 - 13 Russian Mission City Gym City Gym Boiler RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 5.2.2 Clinic WTHTRM/RCD A wood frame structure of approximately 1300 square feet heated by a Weil-Mclain P-366HE-W oil fired 109,000 BTU/HR boiler. This facility is 600 feet from the proposed power plant site. Reported annual fuel use was approximately 1000 gallons, which agrees with calculated fuel use of approximately 1100 gallons. The preferred method of waste heat recovery is a heat exchanger in the boiler return line. 5 - 14 Russian Mission Clinic Clinic Boiler RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 5.2.3 City Building WTHTRM/RCD A wood frame structure of approximately 1100 square feet heated by a Burnham oil fired 76,500 BTU/HR boiler. This facility is 650 feet from the proposed power plant site. Reported annual fuel use was approximately 1000 gallons, which agrees with calculated fuel use of approximately 900 gallons. The preferred method of waste heat recovery is a heat exchanger in the boiler return line. 5 = 15 Russian Mission City Building 6.0 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 RIGHT OF WAY/EASEMENT If the power plant is relocated adjacent to the school complex there are no right of way problems in supplying waste heat to the school buildings, the teacher housing or the school operated community pumphouse. The community buildings could be served from this location also. The heating pipes would be routed beside existing roads, and no properties lines would be crossed. The entire route would be on city property. Minor changes in Power Plant Locations from that proposed should not effect the viability of the waste heat project unless there are also changes to the piping lengths required. Increased piping lengths will add to the construction cost and will also reduce the amount of waste heat available to the users due to increased heat loss. In the case of locating of the Power Plant near the School, it would be better to locate the plant on school property, which would actually reduce piping lengths. If the community buildings are to be the main target of the waste heat. The possibility of relocating the generator to a site near these buildings should be considered. WTHTRM/RCD 6 - I 7.0 7 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 CONCEPT DESIGN Due to AVEC’s intention of moving the Power Plant from the Yukon river’s flood plain, installation of a waste heat system in the area of the current Power Plant site does not make sense. However, since a new location and timetable have not been determined by AVEC, the relocation of the Power Plant is considered and included here. There is one location for the new Power Plant proposed by AVEC. It is also a good location from a heat recovery stance. The final location of the plant will determine the feasibility of any proposed scenarios, or the requirement to use waste heat for a specific scenario may dictate the location of the Power Plant. SYSTEM NARRATIVE The location for the Power Plant proposed by AVEC is to the West of the School Complex, directly across a roadway. This location is used in the proposed scenario. The School Complex can use approximately double the waste heat that the Power Plant currently generates and over three times the net deliverable waste heat. Only the two largest heat using facilities are proposed for connection: the High School and Pump House. The High School has two mechanical rooms and only the older one is proposed for connection. Between the Pump House and the older mechanical room in the High School, virtually all of the net deliverable waste heat can be used. Selecting a Power Plant location within the School Complex could shorter piping runs but would not change the proposed scenario. If the City buildings were a prime target, the Power Plant could be located further to the south. However, the City buildings can only use approximately one-half of the net deliverable waste heat and consequently, this scenario is the proposed. 7.1.1 Proposed Scenario: Served buildings include: HIGH SCHOOL (’OLD’ MECHANICAL ROOM ONLY) PUMP HOUSE Benefits of this scenario include the majority of the waste heat available currently, simplifying the waste heat system since only one user is involved, and the potential for increased future heat recovery since the buildings could use more waste heat during parts of the year than is currently available. Disadvantages include the large number of connection points in the High School and the difficulty if routing piping to the second story ‘old’ mechanical room. WTHTRM/RCD Fo foliar Une RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 Future Expansion: Possible buildings include: HIGH SCHOOL (’NEW’ MECHANICAL ROOM) ELEMENTARY SCHOOL HOME ELECTRONICS BUILDING PRESCHOOL/KINDERGARTEN CITY GYM CLINIC CITY BUILDING Connection of these buildings would only be preferred as power plant output increased and additional waste heat became available. The ‘new’ High School mechanical room would be the most cost effective since the piping to the ‘old’ mechanical room could be connected to above grade. No additional trenching would be required. Primary and Secondary Piping Jacket water piping will be valved to recover heat from whichever genset is on line. Automatic control valves will bypass cooling water to the external radiators as required to maintain engine temperature. See Section 4 for a discussion of proposed modifications to the power plant. One of the features of the system required by AVEC is the bypassing of a portion of the coolant around the Amot valve to heat the radiators at all times. At Russian Mission, due to the relatively small amount of waste heat generated, the percentage of waste heat lost through this procedure is high. If the plant operations were changed, the savings would directly result in additional waste heat supplied to the users and fuel saved. In the proposed scenario, more waste heat is generated than can be used. However, after the system losses are subtracted, there is not enough heat to satisfy the buildings during most of the year. In keeping with the previous AEA recommendations, the current concept design includes one flat plate heat exchanger at the power plant for potential waste heat users outside of the power plant. However, per AVEC requirements, a separate heat exchanger provides heat to the plant. The flow will be without any booster pump on the engine side of the system. Since the actual operating points of the engine-mounted pumps are not known it is assumed that there is some allowance for the low pressure drop heat exchangers. On the secondary loop, a main circulation pump will be designed for the pressure drop of the furthest connected building. In addition, an air separator, an expansion tank, and a glycol make- up system is required. The pump’s design flow rate will be for the maximum heat required at a 20 degree temperature drop. The piping to each of the connected buildings will be through arctic pipe buried underground to protect it from damage from passage of vehicles. Two separate arctic pipes are envisioned, WTHTRM/RCD iat 1.3 Has 7.4 7.5 7.6 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 one for supply to the building, and one for return to the power plant. See the attached Figure 5 for the system schematic. Balancing valves are used at the connection to existing piping for two reasons. The first is to allow balancing of the flow to the heat exchanger; the second is to provide a means of measuring the flow rate at that point in the piping. Building Piping All connections to the user’s buildings will be at a single heat exchange point either by using flat plate heat exchangers to connect to the boiler systems or by return air coils where furnaces are existing. This will limit problems associated with damage of distribution piping and interconnection of systems. One exception to this is the High School, where a heat exchanger will be provided for the boiler and a duct coil for the furnace, as well as a double-wall heat exchanger will be used for the domestic water. This will be of the double-wall type to provide additional separation between the distribution system and potable water. Precautions must be taken to prevent overcooling of the generator jacket water and to prevent building system boilers from heating the waste heat distribution system. The simplest method is to not connect more users than the system can normally provide waste heat for. Each of these issues can also be addressed with controls and valving. They can also be automated to some degree but the solutions must be carefully balanced with the need for system simplicity. Site Plan/Routing The routing will be as shown on Figure 2. Generator Room Plans/Schematics See the attached Figures 3 and 4 for the design concept for the new power plant. User Building Plan/Schematics See the attached Figures 6 through 9 for proposed changes to each of the potential user buildings. Arctic Pipe/Trench Section No soil boring data was discovered at Russian Mission during the site investigation. Residents indicated that the soils were sandy in the downtown area by the river, and muddy (assumed to be silts) up on the surrounding elevations. The village is on a southern slope in a growth of large spruce and birch trees indicating a lack of permafrost. This was verified by residents WTHTRM/RCD aS) RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 who knew of only a few locations down on “the flats" were permafrost was ever found. Buried water and sewer lines in the area have had no problems, and no settlement has occurred. Structural settlement was only noticed in one building, and the cause appears to be related to poor construction methods of an addition to the building and not due to soils problems. The recommended method of installation of the waste heat recovery pipes is direct burial in arctic pipes. The observations made at the site indicate that the soils will support this type of installation. However, soils data should be gathered to identify the soils type and properties during the system design. A cross section of the anticipated trench and arctic pipe configuration is shown in the Figure 10. Teall Outline Specifications The outline specifications for the major components of the system are shown below. 15010 GENERAL CONDITIONS The system shall be balanced by the Contractor to the flow specified in the construction documents. 15050 BASIC MATERIALS AND METHODS Valves: Valves for isolation use shall be gate type rated for 150 psig. Gaskets and materials shall be compatible with glycol and with hydrocarbons on engine primary circuits. Isolation valves on engine primary circuits may be lug-style butterfly type. Piping: Piping inside buildings shall be type ’L’ copper or steel schedule 40 with dielectric unions at connection points of dissimilar metals. Steel pipe will be welded. 15120 ARCTIC PIPE Arctic Pipe: Pressure pipe shall be schedule 40 steel. Insulation shall be foamed polyurethane with .25" maximum voids. Thickness of insulation to be minimum of 2 inches. Jacketing shall be steel or high density polyethylene. Arctic pipe system shall include kits or fittings for take-off connections to main line that provide water-tight seal. 15250 MECHANICAL INSULATION Piping insulation: Pipe insulation shall be fiberglass with an all-service jacket. Minimum insulation thickness shall be 1-1/2 inches. WTHTRM/RCD 7-4 15750 15900 16000 WTHTRM/RCD RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 HEAT TRANSFER Heat Exchangers: Heat exchangers shall be plate and frame type with minimum 20 gage stainless steel plates, painted steel frame with head and end support, top carrying bar, bottom guiding bar, and ASME rating. Ports shall be international pipe thread or flanged. Capacity shall be as specified. Acceptable manufacturers are Bell & Gossett, APV, Tranter, and Alfa Laval. Double Wall Heat Exchangers: Potable water heat exchangers shall have two walls separating the fluids with a vented air space in between. They shall be ASME rated, tube within a tube type such as Bell & Gossett Diamondback or nested welded plate type such as Tranter Double Wall Design. Air Coils: Coils shall have minimum 5/8" seamless copper tubes mechanically expanded into aluminum fins. Header connections brazed or welded. Casing shall be double flanged minimum 16 gauge galvanized steel to provide rigid support for coil. Flanges for slip-and-drive fasteners on duct coils. Cabinet Unit Heaters: Floor mounted inverted-flow heaters shall have multispeed control, minimum 1/2" copper coil tubes mechanically expanded into aluminum fins. Cabinet 18 gage with 16 gage front panel, galvanized, and primed with top front inlet and bottom front outlet stamped steel integral grilles. Provide leveling legs. CONTROLS & INSTRUMENTATION Controls will be electric with the exception of AMOT valves in the power plant, which are self-contained. Flow of fluid in the secondary system is not automatically controlled, with the exception of the return air coil in the High School. Since the fans run continuous for ventilation, 2-stage wall thermostats first open a control valve and secondly start the burner if necessary. In buildings, unit heater fans are cycled by wall thermostats. ELECTRICAL All electric equipment and installation shall comply with the National Electric Code specified. 7.9 Major Equipment List disSied Heating Elements Pumps Buried Piping Scenario #1 ANVIK WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 Capacity Location (Hot Side) MBH GPM Pump House Boilers 189 21 H. School Boiler , 57 i H. School Furnace WS 7 7 H. School Hot Water Htr 29 4 Generator Plant #1 332 72 Generator Plant #2 33. 72 Service GPM HD Gen. Plant Secondary 39 25 Engine Preheat 5 5 Size LF on 760 st 520 *Located in "original" High School mechanical room. WTHTAN/RCD TO 160 160 160 160 175 174 QTY Item heat exchanger heat exchanger duct coil dbl wall ht. exch. heat exchanger heat exchanger BALANCE/ISOLATION VALVE ISOLATION VALVE NC=NORMALLY CLOSED (ALL OTHERS NORMALLY OPEN) 2-WAY CONTROL VALVE 3-WAY CONTROL VALVE 6X X _ Sr AMOT 3-WAY VALVE CHECK VALVE STRAINER CIRCULATING PUMP FLOW METER THERMOMETER TEMPERATURE SWITCH AIR SEPERATOR WITH AUTO AIR VENT FLOW ARROW PIPE DOWN PIPE UP NEW RETURN LINE NEW SUPPLY LINE EXISTING RETURN LINE EXISTING SUPPLY LINE NEW EQUIPMENT EXISTING EQUIPMENT PRIMARY (GENERATOR) PIPING SECONDARY (DISTRIBUTION) PIPING BUILDING PIPING oy (m La N - © —M)— Bl 6 —— NON ELECTRIC VALVE NON ELECTRIC TEMPERATURE SENSOR x i scat: NONE bb Frank Moolin & onre:_ 2/13/91 Associates, Inc. LEGEND ; joa no: 495 ENGINEERING e@ DESIGN @ PROJECT MANAGEMENT REVSION: 0 An Ebosco Services incorporated Engineering ond Construction Comoony 7-7 FIGURE 1 Be Frank Moolin & SYSTEM Associates, Inc. SITE PLAN (Semmes eames Soney od Ganson oases RUSSIAN MISSION, AK 7-8 FIGURE 2 yy | Frank Moolin & | ASSUMED NEW POWER PLANT Associates, Inc. FLOOR PLAN A peesamaas ke hake ad ea oe RUSSIAN MISSION, AK TO WASTE HEAT USERS OX | Y f A\ NC X mK i | A\ RELOCATED RELOCATED RELOCATED GEN #1 GEN. #2 GEN.#3 CUMMINS CAT CAT LTA 10 3304 DT 3304 DT EXPANSION TANK AND GLYCOL MAKE-UP WASTE HEAT , EXCHANGER POWER PLANT HEAT EXCHANGER TO POWER PLANT Y £\ -_ Y L\ C) O a) RELOCATED 3” (EXCEPT EXTERIOR WHERE NOTED) RADIATOR RELOCATED AMOT VALVE ASSEMBLY —._ | Frank Moolin & Associates, Inc. COOLING SCHEMATIC ENGINEERING @ DESIGN @ PROJECT MANAGEMENT 7-10 FIGURE 4 [ POWER PLANT [ PUMP HOUSE MALES Frank Moolin & Associates, Inc. SYSTEM SCHEMATIC Joie Sree sence bigiioua cs aoa ope RUSSIAN MISSION, AK 495P1310.DWG 7-11 FIGURE 5 "NEW" MECHANICAL ROOM BOILERS —————f DOMESTIC HOT WATER HEATER y—— PROPOSED PIPING UP TO ‘OLD’ MECHANCIAL ROOM * NOTE: THE MECHANICAL ROOM IS ON THE SECOND FLOOR. THIS SPACE IS VERY TIGHT. Jo BBB EE Mosiin & HIGH SCHOOL Associates, Inc. FLOOR PLAN sa eA an eS phasing nd ones ody RUSSIAN MISSION, AK aevsion 0 495310HS.DWG 7-12 FIGURE 6 TO / FROM ARCTIC PIPE DOUBLE WALL HEAT EXCHANGER HEATING aw) HEATING SUPPLY HEAT EXCHANGER - NOTE: ALL EQUIPMENT IS LOCATED IN ‘OLD’ MECHANICAL ROOM. HOT AIR | "NEW" MECHANICAL FURNACE ROOM IS NOT SERVED. RETURN —— AIR SUPPLY AIR | Qiagen XY x BE Frank Moolin & HIGH SCHOOL Associates, Inc. SYSTEM SCHEMATIC . FW De os 405] ENGINEERING @ DESIGN @ PROJECT MANAGEMENT : pier tee tasted eachosiag ond Geatvostun Cannery RUSSIAN MISSION, AK 7-13 FIGURE 7 BOILERS 4 LL PROPOSED SPACE FOR FUTURE EQUIPMENT SCALE: NONE bb Frank Moolin & PUMP HOUSE oate, 2/14/91 Associates, Inc. FLOOR PLAN vos No: 495 ENGINEERING DESIGN PROJECT MANAGEMENT dn Ebeee fries nerperiad tnghaatig nd Cate Canoe RUSSIAN MISSION, AK 7-14 FIGURE 8 TO / FROM ARCTIC PIPE a WwW o Zs = oO x WwW e is = BGG \ (28% Mootin & PUMP HOUSE Associates, Inc. SYSTEM SCHEMATIC jateancinkas LnipeSlin Apeidiy SERMONS SAE RUSSIAN MISSION, AK 7-15 FIGURE 9 495D5310.0WG EXISTING GRADE a / NX BACKFILL WITH EXCAVATED . MATERIAL — COMPACT AS NOMINAL 3° AS SPECIFIED OURING SPECIFIED SYSTEM FINAL DESIGN WASTE HEAT SUPPLY AND RETURN PIPES — ARCTIC PIPING (SIZES VARY AS SPECIFIED) BEDDING MATERIAL — EXCAVATED MATERIAL WITH 1” TOP SIZE | SCALE: NONE bb Frank Moolin & aaah oare: 2/14/91 Associates, Inc. TYPICAL TRENCH SECTION OwG. ay WHT on yo. 495 ENGINEERING e@ DESIGN e PROJECT MANAGEMENT CHK. BY REVISION: 0 An Edasco Services incorporated Engineering ond Construction Company 495TRNCH.OWG 7-16 FIGURE 10 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 8.0 ECONOMIC DATA Economic Data in Appendix 2. WTHTRM/RCD 8-1 9.0 oo RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 FAILURE ANALYSIS Russian Mission is a least a full day away from resupply of parts out of Anchorage, and the delay might be several days longer if weather is bad. Although the heat recovery systems are relatively simple and straight forward mechanically, the system will require some maintenance and a knowledgeable person to trouble shoot the system. Lack of attention may render the system inoperative. It is also possible for inexperience people to alter the system configuration by opening and closing valves or turning off pumps. Therefore, access to the system valves and controls must be limited to knowledgeable and responsible people. The control valves must work to maintain system temperatures and the proper functioning of these valves must be checked periodically. Reports on soil conditions indicate that buried pipes should not be damaged by soil heaving or settlement if the pipes are buried correctly. The system is susceptible to mechanical damage from being hit by equipment and machinery that is used for excavation. Subsurface leaks or spills have a significant potential for soil contamination. Because of the cold temperatures, the waste heat recovery system must be filled and maintained with 60% glycol. Water without glycol must not be introduce into the system. All waste heat recovery recipients must keep their respective building heating systems on line and in proper functioning condition to heat the building in case the waste heat recovery system fails or if the power plant is not rejecting enough heat to its cooling system. Subsurface Pipe Rupture 9.1.1 Worst Case - Pipe fails underground from subsidence, earthquake, corrosion, fatigue, or material fault. Glycol/water mixture seeps unnoticed into the formation or under the snow. Fluid loss continues until the pump loses suction. This problem could go unnoticed until: I A power plant operator notices the inlet and outlet temperatures on the primary side of the waste heat recovery heat exchanger are nearly identical or, as A waste heat user determines that his building is too cold or his buildings heating system is running and that the waste heat recovery system is inoperative or, WTHTRM/RCD 9-1 Ole 97123 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 So) Some operator or maintenance person notices the secondary temperature indicating devices are not registering proper temperatures or he notices the circulating pump(s) are running dry or, 4. Someone notices glycol surfacing somewhere. be A low pressure alarm is indicated. A further complication could arise if other controls failed concurrently. If the secondary system lost fluid and then the control valve failed to by-pass water to the generator radiators, then the engines would trip off on overload producing a village black-out. A further problem could arise if the engine high temperature shut downs failed and the engine ran until over temperature failure. Repair The ruptured pipe section must be located and either repaired, replaced or by-passed. Unless the glycol surfaces, the location of the rupture may be difficult to find. Excavation will almost always be required and this may involve steam thawing the soil if frozen. The alternative of by-passing the failed section with temporary surface waste heat piping may be necessary. For this alternative piping should be stock piled. If these pipe supplies must be flown out of Anchorage, the delay could be as_ follows: Locating the leak, mobilizing excavating equipment, excavating leak site 2-3 days, locating pipe, ordering pipe, arranging payment and shipping 1 day, shipping 2 days, and installation of new pipe or by-pass 2-days. Total 6-7 days downtime at best. This repair is impractical in most of the winter and would be deferred until spring. The generators could function uninterrupted. Freezing/Earthquake Damage/Differential Settlement - Care must be taken to minimize potential piping damage due to differential earth movement. The sub-surface piping must be properly bedded and allowances made for known transition zones. 9.2 Above Ground Pipe Failure Leaking pipe or connection located, isolated, repaired, clean-up, 2-10 hours downtime at best. Weather delays could make this considerably longer. WTHTRM/RCD 9-3 9.4 9:5 9.6 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 Clean-up Of Spilled Glycol Glycol clean up from facilities may be relatively easy but glycol is a health hazard and care must be taken to ensure that no one ingest the glycol mix. Glycol that spills on the ground or subsurface must be cleaned up before it enters the ground water or surface run off. The glycol must not contaminate wells, streams, lakes or salt water. Vibration, Thermal, And Corrosion Damage To Piping 9.4.1 Vibration Insulation Devices - Must protect piping from vibration transmission particularly adjacent to vibration exciters like the diesel engines. Inadequate vibration isolation will produce cracked, broken, and leaking piping and gaskets. 9.4.2 Thermal Expansion - Joints must be installed to allow for pipe growth from thermal expansion. Inadequate provision for thermal growth will stress the system and result in strain on piping, pumps, and the heat exchangers. 9.4.3 Corrosion - Contaminates in the system or soils can accelerate the Corrosion of the piping. Corrosion inhibitors may be required. Care must be utilized to avoid dissimilar piping materials that could accelerate the Corrosion process. Particular attention must be paid to areas around welds and whenever there is a pressure drop in the system. Primary Heat Exchanger Failure Glycol leaks from heat exchanger - Operator finds leak, valves off heat exchanger and the gen-sets utilize radiators for cooling. Operators order new exchanger. If the exchanger is an “off the shelf" item, a new one could be on site in a week or 10 days. If not, it could take 10 weeks or more. Should this leak go unnoticed, gensets will shut down on low pressure or high temperature. The leaking area can be valved off immediately but the system must be recharged and air bled out before restarting the gensets. Downtime of gensets 2-3 hours. Secondary Heat Exchanger Failure Leaking or plugged secondary heat exchanger is identified, valved off, and by-passed. A replacement is ordered and the building is heated by the buildings heating plant. Down time 5 days to 6 weeks. WTHTRM/RCD Sis 9.7 9.8 929 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 Heat Exchanger Failure Modes 9.7.1 Mechanical Damage - Heat exchangers can be made to leak if damaged by dropping or by impacting them with power equipment, cranes, pipes, etc. Proper care must be exercised to limit exposure to mechanical damage. 9.7.2 Chemical Damage - The water/glycol fluid must be monitored to prohibit developing a corrosive mixture. Also particular attention must be paid to piping gaskets and valve seat material to ensure that the materials are compatible with glycol. Dissimilar metals are to be avoided or insulated from each other. Water quality must be maintained to prevent scaling. Pump Failures The pumps are subject to thermally induced casing stress, seal failure, over-heating, voltage fluctuations, and frequency droop. The pump alignment must be checked with the piping at operative temperature. The air circulation/cooling around the pumps must not be impaired. The pump must be protected by circuit breakers from low voltage, frequency droop, and overload. The pumps must be in parallel pairs and capable of individual isolation for replacement. The coolant in the system must not contain contaminants that will destroy the seals. Recharging the system must be done with contaminate free water and glycol. When a pump fails from anyone of a variety of causes, the stand- by pump is activated and the failed pump valved off and repaired/replaced. System down time 0-12 hours. Replacement pump replaced 2 hrs. to 1 week. Control Failures Controls must be protected from power fluctuations and mechanical damage. Unauthorized persons must be precluded from adjusting control set points. Authorized persons must be familiar with the system and the inter-relationships of the components. In some cases it is possible for the waste heat customers to over-cool the waste heat recovery secondary piping and thermally shock the heat exchanger. It is also possible to have the waste heat customers actually heating the secondary loop coolant and then heating the generator coolant. These potential problems can be avoided by properly operating controls. Controls must be maintained and protected from corrosion and/or scaling. WTHTRM/RCD 9 - 4 RUSSIAN MISSION WASTE HEAT RECOVERY REPORT AND CONCEPT DESIGN FEBRUARY 14, 1991 10.0 CONCLUSION AND RECOMMENDATIONS The final economics will be completed by the Alaska Energy Authority so a definitive conclusion is not made at this time concerning the feasibility of a waste heat installation at Russion Misson. Some conclusions that can be made are that the project is technically feasible, that the people and agencies in the community seem quite enthusiastic about the project, and that if the economics prove acceptable, a waste heat system for the community can be recommended. To make this project more economically attractive on option would be to include this project with the construction of other waste heat systems in neighboring communities. This would help to reduce the mobilization charges. Shipping, travel and other supervision and management costs could also be combined and pro- rated for lower cost to each village. Economics are not the only yardstick by which this project should be measured. The political and social problems involved in our nations oil supply should motivate us to actively seek out ways like this to reduce our oi] consumption. Environmental costs are also present with the consumption of any fossil fuel, granted they are small but present. The communities enthusiasm to participate is an important factor in the final decision to go with the project or delay until the economic situation changes to a more favorable one. WTHTRM/RCD 10-1 ‘e-Ol RUSSIAN MISSION WASTE HEAT RECOVERY - GRAPH 1 HEAT AVAILABLE VS. HEAT REQUIRED BY MONTH 1400 1200 1000 ee FOUN. oo 400 200 0 Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. MONTH OF THE YEAR HE AVAILABLE (CJ HEAT REQUIRED ‘€ -.01 HEATING FUEL EQUIV. RUSSIAN MISSION WASTE HEAT RECOVERY - GRAPH 2 HEATING FUEL DISPLACED BY MONTH Jun. MONTH OF THE YEAR APPENDIX 1 CALCULATIONS WASTE HEAT UTILIZATION SIMULATION WORK SHEET. RMISS_#1.XLS BASIC PROJECT DATA: Location: Russian Mission - Scenario #1 Date: May 1, 1990 Savings, year 0, fuel gallons: 9999} Savings, year 0, fuel cost: $22,397 Annual pumping elec. cost: 900 $/year. Annual O&M increase cost: $6,900 Annual other O&M cost: 6000 $/year. Total Savings, year 0: $15,497 Construction cost estimate: 595808 $ Simple pay back time, years: 26.6} Fuel high heat value: 132000 Btu/gallon Average fuel cost: 2.24 $/gallon GENERATOR DATA: SYSTEM LOSS DATA: Heat rate at kw-load above: 0 3677 Btu/kwh Constant losses: Heat rate at kw-load above: "1 3476 Btu/kwh Plant piping: 2400 Btu/hr. Heat rate at kw-load above: 22 3304 Btu/kwh Subsurface piping: 23100 Btu/hr. Heat rate at kw-load above: 33 3160 Btu/kwh Engine preheating: 4000 Btu/hr. Heat rate at kw-load above: 44 3045 Btu/kwh Total constant: 29500 Btu/hr. Heat rate at kw-load above: 55 2959 Btu/kwh Heat rate at kw-load above: 66 2902 Btu/kwh Variable losses: Heat rate at kw-load above: 77 2873 Btu/kwh Surface piping: 10 Btu/hr.xF Heat rate at kw-load above: 88 2873 Btu/kwh Plant heating: 100 Btu/hr.xF Heat rate at kw-load above: 99 2873 Btu/kwh Radiator losses: 100 Btu/hr.xF Heat rate at kw-load above: 110 2873 Btu/kwh GENERATION DATA: WEATHER DATA: Kwh/month: HDD/Month: January 44,988 2018 February 42,460 1740 March 47,080 1683 April 40,483 1157 May 32,000 656 June 24,880 325 July 26,848 243 August 32,800 350 September 36,880 583 October 44,300 1123 November 44,524 1552 December 55,316 2033 472559 13463 BUILDING DATA: HIGH PUMP PUMP Fuel use, gal/mon. SCHOOL1 HOUSE1 HOUSE2 na Wa Wa Wa TOTAL January 587 103 683 1373 February 506 89 683 1278 March 490 86 683 1259 April 337 59 683 1079 May 191 33 683 908 June 95 lid, 683 794 July 71 12 683 766 August 102 18 683 803 September 170 30 683 883 October 327 57 683 1067 November 452 79 683 1214 December 591 104 683 1378 3917 0 686 8200 0 0 0 0 oO 12803 Htg. Efficiency: 0.75 0.75 0.75 0.75 Page 1 RMISS_#1.XLS POWER PRODUCTION VARIATION: Assumed hourly variation: Hour: January February March April May June July August Sept. October November December 1 0,038 0.038 0.038 0.038 0.043 0.043 0.043 0.043 0.043 0.043 0.038 0.038 2 0.036 0.036 0.036 0.036 0.038 0.038 0.038 0.038 0.038 0.038 0.036 0.036 3 0.034 0.034 0.034 0.034 0.035 0.035 0.035 0.035 0.035 0.035 0.034 0.034 4 0.034 0.034 0.034 0.034 0.034 0.034 0.034 0.034 0.034 0.034 0.034 0.034 5 0.033 0.033 0.033 0.033 0.034 0.034 0.034 0.034 0.034 0.034 0.033 0.033 6 0.034 0.034 0.034 0.034 0.036 0.036 0.036 0.036 0.036 0.036 0.034 0.034 Z 0.038 0.038 0.038 0.038 0.036 0.036 0.036 0.036 0.036 0.036 0.038 0.038 8 0.042 0,042 0,042 0.042 0.038 0.038 0.038 0.038 0.038 0.038 0.042 0,042 9 0.042 0.042 0.042 0.042 0.043 0.043 0,043 0.043 0.043 0.043 0.042 0.042 3 0.047 0.047 0.047 0.047 0.045 0.045 0.045 0.045 0.045 0.045 0.047 0.047 0.048 0.048 0.048 0.048 0.041 0.041 0.041 0.041 0.041 0.041 0.048 0.048 12 0.047 0.047 0.047 0.047 0.046 0.046 0.046 0.046 0.046 0.046 0.047 0.047 13 0.045 0.045 0.045 0.045 0.048 0.048 0,048 0.048 0.048 0.048 0.045 0.045 14 0.047 0.047 0.047 0.047 0.050 0,050 0.050 0.050 0.050 0.050 0.047 0.047 15 0.048 0.048 0.048 0.048 0.048 0.048 0.048 0.048 0.048 0.048 0.048 0.048 16 0.048 0.048 0.048 0.048 0.048 0.048 0.048 0.048 0.048 0.048 0.048 0.048 17 0.049 0.049 0.049 0.049 0.043 0,043 0.043 0.043 0.043 0.043 0.049 0.049 18 0.046 0.046 0.046 0.046 0.045 0.045 0.045 0.045 0.045 0.045 0.046 0.046 19 0.043 0.043 0.043 0.043 0.048 0.048 0.048 0.048 0.048 0.048 0.043 0.043 20 0.040 0.040 0.040 0,040 0,043 0.043 0.043 0.043 0.043 0.043 0.040 0.040 21 0.040 0.040 0.040 0.040 0.039 0.039 0.039 0.039 0.039 0.039 0.040 0.040 22 0.041 0.041 0.041 0.041 0.039 0.039 0.039 0.039 0.039 0.039 0.041 0.041 23 0.040 0.040 0.040 0.040 0.039 0.039 0.039 0.039 0.039 0.039 0.040 0.040 24 0.040 0.040 0,040 0.040 0.041 0.041 0.041 0.041 0.041 0.041 0.040 0.040 1,000 1,000 1,000 1,000 1,000 1.000- 1,000 1,000 1,000 1,000 1.000 1.000 Days: 31 28 31 30 31 30 31 31 30 31 30 31 HDD: 2018 1740 1683 1157 656 325 243 350 583 1123 1552 2033 13463 Kwh: 44988 42460 47080 40483 32000 24880 26848 32800 36880 44300 44524 55316 472559 HEAT DEMAND VARIATION: Assumed hourly variation: Hour: Winter” Summer” 1 0.039 0.039 2 0.038 0.038 3 0.038 0,038 4 0.038 0.038 5 0.038 0.038 6 0.039 0.039 7 0.041 0.041 8 0.043 0.043 9 0.044 0.044 10 0.044 0.044 W 0.044 0.044 12 0.044 0.044 13 0.045 0.045 14 0.044 0.044 15 0.043 0.043 16 0.043 0.043 17 0.043 0.043 18 0.043 0.043 19 0.043 0.043 20 0.043 0.043 21 0.042 0.042 22 0.042 0.042 23 0,040 0,040 24 0.039 0,039 1,000 1.000 * Winter: Nov. - Apr. * Summer: May - Oct. Page 2 HEAT GENERATED PER HOUR BY MONTH, BTU'S Hour: 1 ODNDNARWHN 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 January 163189 159103 150264 150264 145845 150264 163189 180367 180367 197920 202131 197920 193250 197920 202131 202131 206342 193709 184661 171778 171778 176073 171778 171778 February 170521 166252 157015 157015 152397 157015 170521 188471 188471 206813 211213 206813 198012 206813 211213 211213 215613 202412 192958 179496 179496 183983 179496 179496 March 170778 166502 157252 157252 152627 157252 170778 188754 188754 207124 211531 207124 198310 207124 211531 211531 215937 202717 193248 179766 179766 184260 179766 179766 April 156162 147943 139724 139724 135615 139724 156162 167716 167716 187682 191675 187682 179695 187682 191675 191675 191869 183689 171709 164381 164381 163722 164381 164381 May 135176 123965 114179 110916 110916 117441 117441 123965 135176 141463 133752 144606 150894 157181 150894 150894 135176 141463 150894 135176 127228 127228 127228 133752 RMISS_#1.XLS June 112701 104123 95903 93163 93163 98643 98643 104123 112701 117942 107459 120563 125805 131047 125805 125805 112701 117942 125805 112701 106863 106863 106863 107459 July 117692 108734 100150 97289 97289 103012 103012 108734 117692 123166 112218 125903 131377 136851 131377 131377 117692 123166 131377 117692 106744 106744 106744 112218 Day: 4284155 4472718 4479446 4036767 3197000 2664783 2768251 Month: 1.33E+08 1.25E+08 1.39E+08 1.21E+08 99107008 79943500 85815770 1.02E+08 1.12E+08 1.31E+08 1.31E+08 Equivalent Gallons: 1342 1265 1403 1223 1001 HEAT LOST FROM SYSTEM PER HOUR BY MONTH, BTU'S Hour: ONAnkwWH = NNN amon nnnninin SRYSSaLFAPBNASo 24 Day: Equivalent Gallons: January 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 54720 1313288 411 February 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 54100 1298400 367 March 52451 52451 52451 52451 52451 52451 52451 52451 52451 52451 52451 52451 52451 52451 52451 52451 52451 52451 52451 $2451 52451 52451 52451 52451 1258823 394 April 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 49149 1179576 357 May 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 45494 1091853 342 808 June 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 43325 867 July 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 42696 1039800 1024707 Month: 40711920 36355200 39023520 35387280 33847440 31194000 31765920 32305200 32494320 36201120 37378080 40787520 4.27E+08 315 321 Page 3 August 138555 127064 117033 113689 113689 120377 120377 127064 138555 144999 137096 148222 154666 161110 154666 154666 138555 144999 154666 138555 130408 130408 130408 137096 Sept. 160983 142264 135977 132092 132092 134776 134776 142264 160983 163702 153495 167340 174616 181892 174616 174616 160983 163702 174616 160983 146008 146008 146008 153495 October November December 181837 166890 196757 165374 162711 190092 152318 153671 179532 147966 153671 179532 147966 149152 174251 156670 153671 179532 156670 166890 196757 165374 184457 217468 181837 184457 217468 190295 202408 240948 173380 206715 246074 194524 202408 240948 199040 193795 230694 207333 202408 240948 199040 206715 246074 199040 206715 246074 181837 211021 251201 190295 198101 235821 199040 188849 222646 181837 175673 207112 164922 175673 207112 164922 180065 212290 164922 175673 207112 173380 175673 207112 3276925 3718287 4239822 4377463 5173555 1.6E+08 1.42E+09 1026 August 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 43421 1042103 326 1127 Sept. 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 45131 1083144 328 1328 1327 1620 October November December 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 48657 1167778 366 51914 51914 51914 51914 51914 51914 $1914 51914 $1914 51914 51914 51914 51914 51914 51914 51914 51914 51914 51914 51914 51914 51914 51914 51914 1245936 378 54822 54822 54822 54822 54822 $4822 54822 54822 54822 54822 54822 54822 54822 54822 54822 54822 54822 54822 54822 54822 54822 54822 54822 54822 1315726 412 14335 4318 RMISS_#1.XLS HEAT DEMAND BY HOUR BY MONTH, BTU'S Hour: January February March April May June July August Sept. October November December 1 171919 177165 157580 139568 113623 102770 95945 100525 114181 133611 157039 172561 2 168410 173549 154364 136720 111304 100673 93987 98474 111851 130884 153834 169039 3 167533 172645 153560 136008 110724 100149 93498 97961 111268 130203 153033 168159 4 164463 169482 150746 133516 108695 98313 91784 96166 109230 127817 150228 165077 5 167533 172645 153560 136008 110724 100149 93498 97961 111268 130203 153033 168159 6 170164 175357 155972 138144 112463 101722 94966 99499 113016 132248 155436 170800 7 180251 185752 165218 146333 119130 107751 100596 105398 119716 140087 164650 180925 8 189900 195695 174062 154166 125507 113519 105980 111039 126124 147586 173464 190609 9 191216 197051 175268 155234 126376 114306 106715 111809 126998 148608 174666 191930 10 192531 198406 176474 156302 127246 115092 107449 112578 127871 149631 175867 193250 11 192531 198406 176474 156302 127246 115092 107449 112578 127871 149631 175867 193250 12 193847 199762 177680 157371 128115 115879 108183 113347 128745 150653 177069 194571 13 195601 201570 179287 158795 129275 116927 109162 114373 129910 152017 178672 196332 14 191216 197051 175268 155234 126376 114306 106715 111809 126998 148608 174666 191930 15 188584 194339 172856 153098 124637 112733 105246 110270 125250 146563 172262 189288 16 189900 195695 174062 154166 125507 113519 105980 111039 126124 147586 173464 190609 17 187269 192983 171650 152030 123767 111946 104512 109501 124376 145541 171060 187968 18 189900 195695 174062 154166 125507 113519 105980 111039 126124 147586 173464 190609 19 189900 195695 174062 154166 125507 113519 105980 111039 126124 147586 173464 190609 20 188584 194339 172856 153098 124637 112733 105246 110270 125250 146563 172262 189288 21 184199 189819 168836 149538 121738 110111 102799 107706 122337 143155 168256 184886 22 182883 188463 167630 148470 120869 109325 102064 106936 121463 142132 167054 183566 23° «(175866 §=6181232 161198 + 142773 116231 105130 98148 102833 116803 136679 160644 176523 24 171919 177165 157580 139568 113623 102770 95945 100525 114181 133611 157039 172561 Day: 4386118 4519959 4020300 3560776 2898824 2621953 2447831 2564674 2913078 3408784 4006491 4402498 Month: 1.36E+08 1.27E+08 1.25E+08 1.07E+08 89863533 78658594 75882748 79504888 87392353 1.06E+08 1.2E+08 1.36E+08 1.27E+09 Equivalent Gallons: 1373 1278 1259 1079 908 795 766 803 883 1067 1214 1379 12804 HEAT DELIVERED BY HOUR BY MONTH, BTU'S Hour: January February March April May June July August Sept. October November December 1 108469 116421 118327 107013 89682 69376 74996 95134 114181 133180 114976 141935 2 104383 112152 114051 98794 78471 60798 66038 83643 97133. 116717 110797 135270 3 95544 102915 104801 90575 68685 52578 57454 73612 90846 103661 101757 124710 4 95544 102915 104801 90575 65422 49838 54593 70268 86961 99309 101757 124710 5 91124 98297 100176 86466 65422 49838 54593 70268 86961 99309 97238 119429 6 95544 102915 104801 90575 71947 55318 60315 76956 89645 108013 101757 124710 7 108469 116421 118327 107013 71947 55318 60315 76956 89645 108013 114976 141935 8 125647 134371 136303 118567 78471 60798 66038 83643 97133 116717 132543 162646 9 125647 134371 136303 118567 89682 69376 74996 95134 115852 133180 132543 162646 10 143200 152713 154673 138533 95969 74617 80470 101578 118571 141638 150494 186126 11. 147411 157113 159080 = 142526 88258 64134 69522 93675 108364 124722 154801 191252 12 143200 152713 154673 138533 99113 77238 83207 104801 122209 145866 150494 186126 13. 138530 143912 145859 130546 105400 82480 88681 111245 129485 150383 141881 175873 14 143200 152713 154673 138533 111687 87722 94155 111809 126998 148608 150494 186126 15 147411 157113 159080 142526 105400 82480 88681 110270 125250 146563 154801 189288 16 147411 157113 159080 142526 105400 82480 88681 111039 126124 147586 154801 190609 17 151622 161513 163486 142720 89682 69376 74996 95134 115852 133180 159107 187968 18 138989 148312 150266 134540 95969 74617 80470 101578 118571 141638 146187 180999 19 129941 138858 140798 122560 105400 82480 88681 111039 126124 147586 136935 167824 20 117058 125396 127315 115232 89682 69376 74996 95134 115852 133180 123759 152290 21. «117058 += 125396 127315 115232 81734 63538 64048 86987 100877 116265 123759 152290 22 «121352 129883 131809 114573 81734 63538 64048 86987 100877 116265 128151 157468 23° «117058 + 125396 127315 115232 81734 63538 64048 86987 100877 116265 123759 152290 24 117058 125396 127315 _115232 88258 64134 69522 93675 108364 124722 123759 152290 2970867 3174318 3220623 2857191 2105147 1624983 1743544 2227555 2612752 3052563 3131527 3846810 Days: 31 28 31 30 31 30 31 31 30 31 30 31 92096871 88880909 99839316 85715744 65259568 48749500 54049850 69054191 78382559 94629451 93945814 1.19F+08 9.9£+08 Equivalent Gallons: 930 898 1008 866 659 492 546 698 792 956 949 1205 9999 Page 4 RUSSIAN MISSION SCHOOL COMPLEX SUMMARY OF CALCULATED BUILDING USE INDIVIDUAL FUEL USE High School (1 of 2) High School (2 of 2) H. S. Domestic Hot Water Elementary School E. S. Domestic Hot Water Home Economics Bldg. Pump House P. H. Circulating Community Water Teacher Hsng (1 of 2) Teacher Hsng (2 of 2) Teacher Hsng DHW OVERALL FUEL USE sgl pet I cm hg ee tee = Notes: Item Fuel Use 952* 5 buildings 1,530 * 2 buildings Total Complex 1) 2) Source of Fuel Loss 2,628 heatloss calc. 2,156 heatloss calc. 370 estimated calc. 2,769 heatloss calc. 190 estimated calc. 498 heatloss calc. heatloss calc. estimated calc. u > N a oS heatloss calc. heatloss calc. estimated calc. Source of Fuel Loss Pump house use of 8,200 + 686 = 8,886 is in the range of verbally reported estimate of 10,000 gallons per year. Total of 26,037 for individual calcs is in the range of 24,212 gallons per year, calculated from verbally reported common tank farm use. tank use / tank calc. [HEATLOSS CALCULATION BASIC PROJECT INFORMATION PROJECT: [RUSSIAN MISSION PROJ NO: 495-310 CALC FOR: |HIGH SCHOOL (1 OF 2) DATE: |7/2/90 TEMPERATURES HEATING DEGREE DAYS INTERIOR: 70|°F 13200|°F DAYS [ EXTERIOR: -39/°F ROOM: | HEIGHT= 20 AREA= 2520 WIDTH= 30 VOLUME=| 50400) LENGTH= 84) AC/HR= 0.5 : SURFACE AREA| * U-VALUE| *(Ti- Te)|__=BTU/HR TOTAL COMMENTS WALL 1 2880 0.053 109 16638 WALL2 | [ 109 0 | FLOOR 2520 0.053 109 14558 | CEILING 2520 0.029 109 7966 GLASS 109 0 DOORS [ 109) 0 [PERIMETER LENGTH| * F-VALUE | *(Ti- Te) | =BTU/HR BASEMENT WALL 109 0 SLAB 109 0 AIR EXCH. CFM| * FACTOR | *(Ti- Te)| =BTU/HR INFILT. 420 1.08 109 49442! 88604 | TOTAL BTU/HR= 88,604 TOTAL BTU/YR BASED ON HEATING DEGREE DAYS=| 257,520,384 TOTAL GAL/YR @ 140,000 BTU/GAL, 70% EFFICIENCY= 2,628 ; HEATLOSS CALCULATION = PROJECT INFORMATION PROJECT: [RUSSIAN MISSION PROJ NO: [495-310 i CALC FOR: [HIGH SCHOOL (2 OF 2) DATE: |7/2/90 TEMPERATURES HEATING DEGREE DAYS INTERIOR: 70/°F 13200|°F DAYS EXTERIOR: -39/°F {| ROOM: HEIGHT= 10 AREA= 3360 WIDTH= 42 VOLUME=| _ 33600 LENGTH= 84 AC/HR= 0.5 SURFACE AREA| * U-VALUE| *(Ti- Te) | = BTU/HR TOTAL COMMENTS WALL 1 1680) 0.053 109} 9705 WALL 2 109) 0 FLOOR 3360 0.053 109) 19411 | CEILING 3360 0.029 109 10621 |__|GLASS 109 0 | _|DOORS 109 0 PERIMETER LENGTH| * F-VALUE | * (Ti- Te) | =BTU/HR BASEMENT WALL 109 0 SLAB 109 0 AIR EXCH. CFM| * FACTOR | *(Ti- Te)| =BTU/HR INFILT. 280 1.08 109 32962 72699) TOTAL BTU/HR= 72,699 TOTAL BTU/YR BASED ON HEATING DEGREE DAYS=| 211,292,928 TOTAL GAU/YR @ 140,000 BTU/GAL, 70% EFFICIENCY= 2,156 HEATLOSS CALCULATION BASIC PROJECT INFORMATION PROJECT: |RUSSIAN MISSION PROJ NO: |495-310 CALC FOR: |ELEMENTARY SCHOOL DATE: |7/2/90 TEMPERATURES HEATING DEGREE DAYS INTERIOR: 70|°F 13200|°F DAYS EXTERIOR: -39)°F ROOM: HEIGHT= 10 AREA= 4080 WIDTH= 56 VOLUME= 40800 LENGTH= 90) AC/HR= 0.5) SURFACE AREA| * U-VALUE | * (Ti - Te) = BTU/HR’ TOTAL COMMENTS WALL 1 2920 0.053. 109 16869) WALL 2 109 0 FLOOR 4080 0.053; 109 23570 CEILING 4080 0.029) 109 12897 GLASS 109 0 DOORS 109} 0 PERIMETER LENGTH| * F-VALUE | * (Ti- Te) | =BTU/HR BASEMENT WALL 109 0 SLAB 109 0 AIR EXCH. CFM| * FACTOR | * (Ti- Te) | =BTU/HR INFILT. 340 1.08) 109 40025) 93361 TOTAL BTU/HR= 93,361 TOTAL BTU/YR BASED ON HEATING DEGREE DAYS=| 271,345,536 TOTAL GAL/YR @ 140,000 BTU/GAL, 70% EFFICIENCY= 2,769 HEATLOSS CALCULATION BASIC PROJECT INFORMATION PROJECT: |RUSSIAN MISSION PROJ NO: |495-310 CALC FOR: |HOME ECONOMICS BLDG. DATE: |7/2/90 TEMPERATURES HEATING DEGREE DAYS INTERIOR: 70|°F 13200|°F DAYS | EXTERIOR: -39|°F — ROOM: le = HEIGHT= 10 AREA= 576 WIDTH= 16) VOLUME= 5760 LENGTH= 36 AC/HR= 0.5) SURFACE AREA| * U-VALUE | * (Ti - Te) = BTU/HR TOTAL COMMENTS WALL 1 1040 0.053 109) 6008 WALL 2 109 0 |FLOOR 576 0.053. 109) 3328) CEILING 576 0.029) 109) 1821 GLASS 109) 0 DOORS 109 0 PERIMETER LENGTH| * F-VALUE | * (Ti- Te) | = BTU/HR BASEMENT WALL 109 0 SLAB 109) 0 AIR EXCH. CFM| * FACTOR | *(Ti- Te) | =BTU/HR INFILT. 48 1.08 109 5651 16807 TOTAL BTU/HR= 16,807 TOTAL BTU/YR BASED ON HEATING DEGREE DAYS= 48,848,026 TOTAL GAU/YR @ 140,000 BTU/GAL, 70% EFFICIENCY= 498 HEATLOSS CALCULATION BASIC PROJECT INFORMATION PROJECT: [RUSSIAN MISSION PROJ NO: [495-310 CALC FOR: |PUMP HOUSE DATE: [7/2/90 TEMPERATURES HEATING DEGREE DAYS INTERIOR: 70|°F 13200|°F DAYS EXTERIOR: -39°F ROOM: HEIGHT= 10 AREA= 864 WIDTH= 24 VOLUME= 8640 LENGTH= 36 AC/HR= 0.5 SURFACE AREA] * U-VALUE|*(Ti-Te)| _=BTU/HR TOTAL COMMENTS WALL 1 1200 0.053 109 6932 WALL 2 109 0 | FLOOR 864 0.053 109) 4991 CEILING 864) 0.029 109 2731 GLASS 109 0 DOORS 109 0 PERIMETER LENGTH| * F-VALUE| * (Ti- Te) | =BTU/HR BASEMENT WALL 109 0 SLAB 109 0 AIR EXCH. CFM| * FACTOR | * (Ti- Te) | =BTU/HR INFILT. 72 1.08 109 8476 23131 TOTAL BTU/HR= 23,131 | | TOTAL BTU/YR BASED ON HEATING DEGREE DAYS=| _ 67,227,494 TOTAL GAUYR @ 140,000 BTU/GAL, 70% EFFICIENCY= 686 | : [HEATLOSS CALCULATION BASIC PROJECT INFORMATION PROJECT: |RUSSIAN MISSION PROJ NO: |495-310 CALC FOR: |TEACHER HOUSING (1 OF 2) DATE: (7/2/90 AVERAGE DIM. FOR 5 BLDGS. TEMPERATURES HEATING DEGREE DAYS INTERIOR: 70|°F 13200|°F DAYS EXTERIOR: -39|°F ROOM: HEIGHT= 10 AREA= 1250) WIDTH= 25) VOLUME= 12500 LENGTH= 50 AC/HR= 0.5 SURFACE AREA| * U-VALUE | * (Ti- Te) | _=BTU/HR TOTAL COMMENTS WALL 1 1500) 0.053 109) 8666 WALL 2 109 0 FLOOR 1250) 0.053 109) 7221 CEILING 1250) 0.029) 109) 3951 GLASS 109) 0 DOORS 109) 0 PERIMETER LENGTH| * F-VALUE | * (Ti- Te) | =BTU/HR BASEMENT WALL 109) ) SLAB 109) 0 AIR EXCH. CFM| * FACTOR | * (Ti- Te) | = BTU/HR INFILT. 104) 1.08 109) 12263 32101 TOTAL BTU/HR= 32,101 TOTAL BTU/YR BASED ON HEATING DEGREE DAYS= 93,297,600 TOTAL GAUYR @ 140,000 BTU/GAL, 70% EFFICIENCY= 952 . HEATLOSS CALCULATION | BASIC PROJECT INFORMATION | PROJECT: [RUSSIAN MISSION PROJ NO: [495-310 CALC FOR: [TEACHER HOUSING (2 OF 2) DATE: |7/2/90 AVERAGE DIM. FOR 2 BLDGS. 1 TEMPERATURES HEATING DEGREE DAYS INTERIOR: 70|°F 13200|°F DAYS EXTERIOR: -39|°F L ROOM: HEIGHT= 9 AREA=| 1360 WIDTH= 16| VOLUME=| __ 12240 LENGTH= 85 AC/HR= 0.5 SURFACE AREA| * U-VALUE|*(Ti-Te)| = BTU/HR TOTAL COMMENTS WALL 1 1818 0.08 109 15853 WALL 2 [ 109 0 FLOOR 1360 0.08 109 11859 CEILING 1360 0.08 109 11859 | GLASS 109 0 DOORS 109 0 PERIMETER LENGTH| * F-VALUE | *(Ti- Te)|_=BTU/HR BASEMENT WALL | 109 0 SLAB 109 0 AIR EXCH. CFM| * FACTOR | *(Ti-Te)| =BTUHA INFILT. 102 1.08 109 12007 51579 TOTAL BTU/HR= 51,579 TOTAL BTU/YR BASED ON HEATING DEGREE DAYS=| _ 149,909,760 TOTAL GAL/YR @ 140,000 BTU/GAL, 70% EFFICIENCY= 1,530 HEATLOSS CALCULATION leas PROJECT INFORMATION PROJECT: |RUSSIAN MISSION PROJ NO: |495-306 CALC FOR: |PRESCHOOL/KINDERGARTEN DATE: |2/15/90 TEMPERATURES HEATING DEGREE DAYS INTERIOR: 70|°F 13200|°F DAYS EXTERIOR: -39|°F ROOM: a |__| HEIGHT= 8 AREA= 1680 WIDTH= 28) VOLUME= 13440 LENGTH= 60) AC/HR= 0.5 SURFACE AREA| * U-VALUE | * (Ti - Te) = BTU/HR TOTAL COMMENTS WALL 1 224 0.053 109} 1294 | WALL 2 480 0.053 109 2773 FLOOR 1680 0.053 109) 9705 CEILING 1680 0.053. 109 9705 GLASS 109 0 DOORS 109 0 PERIMETER LENGTH| * F-VALUE | * (Ti- Te) | =BTU/HR BASEMENT WALL 0 0 SLAB 0 0 AIR EXCH. CFM| * FACTOR | * (Ti- Te) | =BTU/HR INFILT. 112 1.08) 109} 13185 36662 TOTAL BTU/HR= 36,662 TOTAL BTU/YR BASED ON HEATING DEGREE DAYS=/ 106,556,314 | TOTAL GAL/YR @ 140,000 BTU/GAL, 70% EFFICIENC Y= 1,087 * No fuel records were available, as the building is still under construction. MAA Moolin & Associates Project__WASTIF HEAT +95 page_i A Division of ENSERCH Alaska Services, inc. Subject:_ZUSSIAN HISSION 310 ot 2 DoMesStiC WATER HEATING Prepared by__C&P Date HIGH SCkeoL =DHW : 1) per ASHEAE AAC (1987) , Ch. $4 Table L HoT waTeR Demanty s 1.8 gal / stdet (dey oper. ASSUMING SO STUDWTS (OKT OF 200 PRPLE) Hot WATEIL= 501.8 = JO ga / dey of 2) per SAME Table 1 a) for {00d sevice O.7-G4 qe! | mead w] GO MEALS * 1G gl ave = IG gal [Dey b) for dik, bebween w/ shows 4 w/o Showers = 18-067 12 qe! / stdet w/ 50 SMDEMTS * [,2 gal = 70 gal / dey C) assume clean) , ee = _§0 4e¢1 /day 216 ge! / dey 2) Comnuar™ use assume 20 gal / day WY) ToTAL = 216 +20 > ZHO gel /dey (240)( sus )( 2) 5) = 47,000 al /year g = (417,000) (120-40)( z38)(62") (1) = 31 19° Bin FueL > (31 10° (aes )( >; ~ 370 gel | ELEM SCHOOL DHW : ASune YZ HICH SCHOOL = 190 el | House : per Same Table L: apartment s 420 unts = 42 gel /apast ; (42)( 8)(365)(4) = 72,000 gel / year (%%,7)(370) * 20 gel SEEMS Low AAA Frank Moolin & Associates Proper ep J Page_& of 2 A Division of ENSERCH Alaska Services, inc. Subject: Prepared by OEP Date ooo COMmUNITY WATE HEATON ») Assuné CO qe! / person / Oey - 40° 66° aT q (60)(220\(345)(co-40) (“Mug X1) = 731 x10 ° Ben AsSung 10% For HeAT LOSS - T3x/O° Be Fuel = (@ri0°) ( ea +) = 8200 gellons | v NOTE! THS (SW Ther hater OF RePeeTED (BTinaTe) OF APPROX. 10000 GeL. [HEATLOSS CALCULATION BASIC PROJECT INFORMATION PROJECT: |RUSSIAN MISSION PROJ NO: |495-306 CALC FOR: |CITY GYM (1 OF 2) DATE: |2/15/90 _| TEMPERATURES HEATING DEGREE DAYS INTERIOR: 70|°F 13200|°F DAYS EXTERIOR: -39|°F ROOM: HEIGHT= 18 AREA= 2400) WIDTH= 40 VOLUME= 43200 LENGTH= 60. AC/HR= 0.5 SURFACE AREA| * U-VALUE | *(Ti- Te) | _=BTU/HR TOTAL COMMENTS WALL 1 720 0.074 109 5808 WALL 2 1080 0.074 109 8711 FLOOR 2400 0.053 109 13865 | CEILING 2400 0.053 109 13865 GLASS 109 ) DOORS 109 ) PERIMETER LENGTH| * F-VALUE | * (Ti- Te) | =BTU/HR BASEMENT WALL 0 0 SLAB 0 0 AIR EXCH. CFM! * FACTOR | * (Ti- Te) | =BTU/HR INFILT. 360 1.08 109 42379 84628 TOTAL BTU/HR= 84,628 TOTAL BTU/YR BASED ON HEATING DEGREE DAYS=/| _ 245,963,520 TOTAL GAUYR @ 140,000 BTU/GAL, 70% EFFICIENCY= 2,510 * Fuel usage was reported as about 1000 gallons a year. This was not reasonable, so 3000 gallons per year was used based on {__|the heatloss calculations. [HEATLOSS CALCULATION BASIC PROJECT INFORMATION PROJECT: |RUSSIAN MISSION PROJ NO: /|495-306 CALC FOR: |CITY GYM (2 OF 2) DATE: |2/15/90 TEMPERATURES HEATING DEGREE DAYS INTERIOR: 70°F 13200|°F DAYS EXTERIOR: -39/°F ROOM: — HEIGHT= 8 AREA= 960 WIDTH= 16 VOLUME= 7680 LENGTH= 60 AC/HR= 0.5 SURFACE AREA| * U-VALUE | * (Ti- Te) | _=BTU/HR TOTAL COMMENTS WALL 1 128) 0.074 109) 1032 | WALL 2 540 0.074 109) 4356 | FLOOR 960 0.053 109) 5546) CEILING 960 0.053 109 5546 GLASS 109) 0 DOORS 109 0 |__|PERIMETER LENGTH| * F-VALUE | * (Ti- Te) | = BTU/HR BASEMENT WALL 0 0 SLAB 0 0 AIR EXCH. CFM| * FACTOR | *(Ti- Te) | =BTU/HR INFILT. 64 1.08 109 7534) 24014 TOTAL BTU/HR= | _ 24,014 TOTAL BTU/YR BASED ON HEATING DEGREE DAYS= 69,794,842 TOTAL GAUYR @ 140,000 BTU/GAL, 70% EFFICIENCY= 712 * Fuel usage was reported as about 1000 gallons a year. This was not reasonable, so 3000 gallons per year was used based on the heatloss calculations. HEATLOSS CALCULATION BASIC PROJECT INFORMATION | PROJECT: |RUSSIAN MISSION PROJ NO: |495-306 CALC FOR: |CLINIC (1 OF 2) DATE: |2/15/90 TEMPERATURES HEATING DEGREE DAYS | _JINTERIOR: 70|°F 13200|°F DAYS EXTERIOR: -39|°F ROOM: HEIGHT= 8 AREA= 960 WIDTH= 24 VOLUME= 7680 LENGTH= 40 AC/HR= 0.5) SURFACE AREA| * U-VALUE | * (Ti - Te) = BTU/HR TOTAL COMMENTS WALL 1 192) 0.074 109) 1549) |WALL 2 320 0.074 109) 2581 |FLOOR 960 0.074 109) 7743 CEILING 960 0.074 109) 7743 GLASS 109) 0 DOORS 109) 0 PERIMETER LENGTH| * F-VALUE | * (Ti- Te) | =BTU/HR BASEMENT WALL 0 0 SLAB 0 0 AIR EXCH. CFM| * FACTOR | * (Ti- Te) | =BTU/HR INFILT. 64 1.08 109 7534 27151 TOTAL BTU/HR= eiial TOTAL BTU/YR BASED ON HEATING DEGREE DAYS= 78,911,078 TOTAL GAL/YR @ 140,000 BTU/GAL, 70% EFFICIENCY= 805 * Fuel usage was reported as about 1000 : gallons a year. HEATLOSS CALCULATION BASIC PROJECT INFORMATION PROJECT: |RUSSIAN MISSION PROJ NO: |495-306 | CALC FOR: |CLINIC (2 OF 2) DATE: [2/15/90 TEMPERATURES HEATING DEGREE DAYS INTERIOR: 70|°F 13200|°F DAYS EXTERIOR: -39/|°F ROOM: HEIGHT= 8 AREA= 320 WIDTH= 16| VOLUME= 2560 LENGTH= 20 AC/HR= 0.5) SURFACE AREA| * U-VALUE | * (Ti - Te) = BTU/HR TOTAL COMMENTS | WALL 1 128 0.074 109) 1032 WALL 2 160 0.074) 109 1291 FLOOR 320 0.074 109) 2581 CEILING 320 0.074 109 2581 GLASS 109) 0 DOORS 109 0 PERIMETER LENGTH| * F-VALUE | * (Ti- Te) | =BTU/HR BASEMENT WALL 0 0 SLAB 0 0 AIR EXCH. CFM| * FACTOR | * (Ti- Te) | =BTU/HR INFILT. 21 1.08 109 2511 9997 TOTAL BTU/HR= 9,997 TOTAL BTU/YR BASED ON HEATING DEGREE DAYS= 29,054,362 TOTAL GAL/YR @ 140,000 BTU/GAL, 70% EFFICIENCY= 296 * Fuel usage was reported as about 1000 HEATLOSS CALCULATION T it BASIC PROJECT INFORMATION PROJECT: |RUSSIAN MISSION PROJ NO: |495-306 CALC FOR: |CITY BUILDING DATE: |2/15/90 TEMPERATURES HEATING DEGREE DAYS INTERIOR: 70|°F 13200/°F DAYS EXTERIOR: -39|°F ROOM: HEIGHT=| 8 AREA= 1120 WIDTH= 28 VOLUME= 8960 LENGTH= 40 AC/HR= 0.5 SURFACE AREA| * U-VALUE | * (Ti - Te) = BTU/HR TOTAL COMMENTS WALL 1 224 0.074 109) 1807| WALL 2 320 0.074 109} 2581 FLOOR 1120 0.074 109 9034 CEILING 1120 0.074) 109 9034 GLASS 109) 0 DOORS - 109] © 0 PERIMETER LENGTH| * F-VALUE | * (Ti- Te) |_ =BTU/HR BASEMENT WALL 0 0 SLAB 0 0 AIR EXCH. CFM! * FACTOR | * (Ti- Te) | =BTU/HR INFILT. 75 1.08 109) 8790 31246) TOTAL BTU/HR= |_ 31,246 TOTAL BTU/YR BASED ON HEATING DEGREE DAYS= 90,812,621 TOTAL GAU/YR @ 140,000 BTU/GAL, 70% EFFICIENCY= 927 * Fuel usage was reported as about 1000 . gallons a year. | APPENDIX 2 COST ESTIMATES Russian Mission waste heat report 2/21/91 Simple Payback Ignores O&M costs Scenario #1 Prodject cost $ 595,808 Fuels cost Savings $ 22,397 Years for payback 26.6 Fuel cost savings based on $2.24 per gallon Price of fuel required for 10 year payback Prodject cost $ 595,808 Gallons fuel saved 10,000 Cost of fuel per gallon for 10 year payback $5.96 HMS 9119 CONSTRUCTION COST ESTIMATE WASTE HEAT RECOVERY SYSTEM RUSSIAN MISSION, ALASKA COST CONSULTANT ENGINEER HMS Inc. Frank Moolin & Associates, Inc. 4103 Minnesota Drive 550 W. 7th Avenue Anchorage, Alaska 99503 Anchorage, Alaska 99501 (907) 561-1653 February 20, 1991 (907) 562-0420 FAX WASTE HEAT RECOVERY SYSTEM PAGE 1 RUSSIAN MISSION, ALASKA CONSTRUCTION COST STUDY 2/20/91 NOTES REGARDING THE PREPARATION OF THIS COST ESTIMATE This study has been prepared from a February 14, 1991 report, including a concept design dated February 14, 1991, by Frank Moolin & Associates. Unit prices and costs indicated in this estimate are based on current knowledge. The possible effects of current hostilities in the Middle East have not been considered in the preparation of this estimate. This estimate is a statement of probable construction cost only, and is priced using A.S. Title 36 prevailing labor rates and current materials, freight and equipment prices, and to reflect a competitive bid in Spring 1992. Removal of hazardous material has not been considered in this cost estimate. SCENARIO #1 - High School and Pump House WASTE HEAT RECOVERY SYSTEM RUSSIAN MISSION, ALASKA CONSTRUCTION COST STUDY CONSTRUCTION COST ESTIMATE 01 - General Conditions, Overhead and Profit 02 - Sitework 06 - Wood and Plastics 13 - Special Construction 15 - Mechanical 16 - Electrical SUBTOTAL Estimate contingency for elements of project not determined at this early level of design 10.00% Escalation at .50% per month to Spring 1992 7.50% TOTAL CONSTRUCTION COST: PROJECT COST Design 10.00% SIA (Supervision, Inspection and Administration) 20.00% Project Contingency 10.00% TOTAL PROJECT COST: SUMMARY SCENARIO #1 145,168 112,893 11,004 4,670 76,823 9,338 359,896 35,990 29,691 425,577 42,558 85,115 42,558 595,808 PAGE 2 2/20/91 PAGE 3 WASTE HEAT RECOVERY SYSTEM RUSSIAN MISSION, ALASKA CONSTRUCTION COST STUDY 2/20/91 SCENARIO #1 WASTE HEAT RECOVERY SYSTEM Pte RUSSIAN MISSION, ALASKA CONSTRUCTION COST S'TUDY 2/20/91 SCENARIO #1 01 - GENERAL CONDITIONS QUANTITY UNIT UNIT RATE ESTIMATED COST Mobilization 1 LOT 8,500.00 8,500 Freight 49,500 LBS 0.50 24,750 Supervision, equipment, utilities, clean site, tools and protection 10 WKS 3,500.00 35,000 Per diem 260 DAYS 110.00 28,600 Travel costs, including time in travel 6 RT 1,400.00 8,400 SUBTOTAL 105,250 Bond and insurance 2.25 % 7,200 Profit 10.00 % 32,718 TOTAL ESTIMATED COST: 145,168 WASTE HEAT RECOVERY SYSTEM ne RUSSIAN MISSION, ALASKA CONSTRUCTION COST STUDY 2/20/91 SCENARIO #1 02 - SITE WORK QUANTITY UNIT UNIT RATE ESTIMATED COST Piles Mobilize Zz LOT 10,000.00 10,000 Wood piles 20 EA 650.00 13,000 Drill pile hole 400 LF 25.00 10,000 Slurry 15 cy 280.00 4,200 Freeze back 20 EA 220.00 4,400 Test and demobilize 1 LOT 3,000.00 3,000 Piped Utilities Excavate trench for arctic pipe, including backfilling and spread and level surplus 640 LF 12.50 8,000 3" diameter Schedule 40 pipe with insulation and arctic pipe protection 520 LF 48.30 25,116 2" ditto 760 LF 41.50 31,540 3" bend 6 EA 215.25 L, 292 2" bend 14 EA 167.50 2,345 3" tee 2 EA 231.00 462 TOTAL ESTIMATED COST: 112,893 WASTE HEAT RECOVERY SYSTEM ve * RUSSIAN MISSION, ALASKA CONSTRUCTION COST STUDY 2/20/91 SCENARIO #1 06 - WOODS AND PLASTICS QUANTITY UNIT UNIT RATE ESTIMATED COST Glulam beams to support new module 120 LF 40.00 4,800 Wood deck 96 SF 11.50 1,104 Miscellaneous metals 2,000 LBS Late 3,500 Access steps : x EA 325.00 325 Handrail and balustrade 30 LF 42.50 1,275 TOTAL ESTIMATED COST: 11,004 WASTE HEAT RECOVERY SYSTEM epee 7 RUSSIAN MISSION, ALASKA CONSTRUCTION COST STUDY 2/20/91 SCENARIO #1 13 - SPECIAL CONSTRUCTION QUANTITY UNIT UNIT RATE ESTIMATED COST Pre-engineered 8’0"x8’0" building module with floor, exterior wall structure and roofing complete 1 EA 2,800.00 2,800 Hole through exterior wall for heating pipes 6 EA 110.00 660 Exterior door 1 EA 710.00 710 Louver 1 EA 500.00 500 TOTAL ESTIMATED COST: 4,670 WASTE HEAT RECOVERY SYSTEM —? RUSSIAN MISSION, ALASKA CONSTRUCTION COST STUDY 2/20/91 SCENARIO #1 15 - MECHANICAL QUANTITY UNIT UNIT RATE ESTIMATED COST Exchanger and Connections Connection to existing piping to cooling system of generators 6 EA 72.50 435 Ditto existing radiator 2 EA 72.50 145 Form hole through existing wall for heating pipes 2 EA 195.00 390 3" diameter black steel welded piping 140 LF 26.22 3,671 Fittings 41 EA 46.35 1,900 Gate valve 27 EA 325.00 8,775 Drain valves 2 EA 360.00 720 Balance valves 2 EA 325.00 650 Check valve 6 EA 325.00 1,950 Amot three-way valve 1 EA 405.00 405 3/4" diameter black steel welded piping including fittings 80 LF 8.50 680 Gate valve 9 EA 69.00 621 WASTE HEAT RECOVERY SYSTEM PAGE 2 RUSSIAN MISSION, ALASKA CONSTRUCTION COST STUDY 2/20/91 SCENARIO #1 15 - MECHANICAL QUANTITY UNIT UNIT RATE ESTIMATED COST Exchanger and Connections (Continued) Check valve 3 EA 69.00 207 Insulation to pipe, 3" diameter 140 LF 7.10 994 Ditto, 3/4" diameter 80 LF 4.20 336 Booster pumps, 39 GPM, 25’0" head, 1/2 HP 2 EA 1,310.00 2,620 Circulating pumps, 5 GPM, 5’0" head, fractional HP 3 EA 735.00 2,205 Heat exchanger, 332 MBH, 72 GPM i EA 4,150.00 4,150 Ditto, 33 MBH, 72 GPM 1 EA 2,950.00 2,950 Radiator 1 EA 3,830.00 3,830 Air separator with vent 1 EA 495.00 495 Control valves 2 EA 89.00 178 Gauges 4 EA 68.50 274 Expansion tank 1 EA 770.00 770 WASTE HEAT RECOVERY SYSTEM —= RUSSIAN MISSION, ALASKA CONSTRUCTION COST STUDY 2/20/91 SCENARIO #1 15 - MECHANICAL QUANTITY UNIT UNIT RATE ESTIMATED COST Exchanger and Connections (Continued) Glycol tank, pumps and make-up system a EA 1,025.00 1,025 Glycol 385 GALS 8.80 3,388 Hook-Up Form hole through existing wall for heating pipes 4 EA 195.00 780 2" diameter black steel piping including fittings 20 LF 17.97 359 1 1/4" ditto 160 LF 12.05 1,928 i" ditto 80 LF 10.85 868 2" gate valves and balancing valves 5 EA 260.00 1,300 1 1/4" ditto 10 EA 89.00 890 1 1/2" control valves 1 EA 89.00 89 2" insulation 20 LF 5.83 117 1 1/4" insulation 160 LF 4.70 752 PAGE 11 WASTE HEAT RECOVERY SYSTEM RUSSIAN MISSION, ALASKA CONSTRUCTION COST STUDY . 2/20/91 SCENARIO #1 15 - MECHANICAL QUANTITY UNIT UNIT RATE ESTIMATED COST Hook-Up __ (Continued) 1" insulation 80 LF 4.50 360 Duct coil 1 EA 885.00 885 Heat exchanger, 189 MBH, 21 GPM i EA 3,550.00 3,550 Ditto, 57 MBH, 7 GPM 1 EA 3,075.00 3,075 Double wall heat exchanger 1 EA 4,880.00 4,880 Connection to water heater 1 EA 72.50 73 Connection to existing piping system ) EA 72.50 653 Test and balance system 80 HRS 75.00 6,000 Controls and Instrumentation Generator building and new module 1 LOT 2,000.00 2,000 Hook-up inter ties 3 LoTS 1,500.00 4,500 TOTAL ESTIMATED COST: 76,823 WASTE HEAT RECOVERY SYSTEM ceca RUSSIAN MISSION, ALASKA CONSTRUCTION COST S'IUDY 2/20/91 SCENARIO #1 16 - ELECTRICAL QUANTITY UNIT UNIT RATE ESTIMATED COST Motor Connections Breaker in existing power panel 3 EA 175.00 525 Connection to motor 7 EA 115.00 1,265 Disconnect switch 7 EA 330.00 217310 3/4" EMT conduit 210 LF 3.20 672 #8 copper 840 LF 0.85 714 New Module Main feeder and conduit 40 LF 8.80 352 Breaker in existing distribution panel 1 EA 277.00 277 Panel 1 EA 800.00 800 Exterior light fixture 2 EA 330.00 660 Light fixtures 6 EA 190.00 1,140 © Switch 1 EA 55.00 55 Duplex outlets 4 EA 68.00 272 PAGE 13 WASTE HEAT RECOVERY SYSTEM RUSSIAN MISSION, ALASKA CONSTRUCTION COST STUDY 2/20/91 SCENARIO #1 16 - ELECTRICAL QUANTITY UNIT UNIT RATE ESTIMATED COST New Module (Continued) 1/2" conduit 60 LF 3.00 180 #12 copper 210 LF 0.55 116 TOTAL ESTIMATED COST: 9,338 APPENDIX 3 RAW DATA HEATING DEGREE DAY WEATHER DATA | H_D_DAY.XLS | | Note: Community names in lower case are ci to site and are used when actual info is not available. | | I | MONTH HDD (HOD |HDD | [MONTH [HDD [HDD [HDD [MONTH [HDD [HOD _HOD MEAN | 1988] 1989) | [MEAN 1988} 1989 | MEAN | 1988] 1989 [ | | | HOONAH | fe COLD BAY CORDOVA | | [Juneau > l i JAN 1087] 1217 JAN 1126 1318 JAN [1187 | _1255 FEB 1002] 1144 FEB 1055 834! FEB 967/ [1017] MAR 936] 1097| MAR | 1098 1034 MAR 1001) [1024 APR 768 663] APR 952 917 [APR 809] |__708 MAY 639) 491] MAY 782 751 [MAY [637 |__584 JUN 412 283 [JUN 578 564] JUN [434] [403 JUL 391 338) 159) JUL 44a] 427] 432 [gut [356[ 315/202 AUG 375|_ 338] 210 AUG 416, 423] 353) [AUG [360i 324/286 SEP 520| ___497| = SEP (517) ___537|___447 [SEP |__ 503] 481) 400) OCT 751 641 713 oct 779| 755, ~—«695 OCT [i 737| .6B8| 717) NOV [940i «855 NOV 907/970] _—*975i NOV [927] _-873/_~—«990 DEC | 1034] 10401 DEC |_1075| 1050; 1054] DEC Tats} 950i 868 TOTAL | _ 8855 TOTAL 9733} 9374] TOTAL | _ 9003) 8404 | | | | + | | | ANVIK, RUSSIAN MISSION, & LOWER KALSKAG I Holy Cross -- > Aniak -—-------- ed [St. Marys ------------------ > JAN 2018 JAN 1958] 2508 JAN 1739] T2370 FEB 1740) |FEB 16171 1163 FEB 16271 1128 MAR 1683| [MAR 1605| MAR |_1841} | _1418) APR 1157] APR 1163 | APR T1185) |___1087| MAY 656 sles MAY 715 ra MAY 697/ |___ 868 JUN 325) JUN |._.380 338 JUN 422 [36th JUL [_ 24a/ JUL 310 112 JUL 299 143| 367 [AUG 350 AUG 395] 425 AUG 357] 317/380) SEP 583 SEP 619| 6971 S11 SEP 601] 554) 527 OCT [1123] OCT 1121] 1247, Oct 1072] 1180) ‘1047 NOV 1552] el NOV 1488] 1823 NOV 1436] _1671/ ‘1650 DEC 2033 DEC 1986 DEC 1810| 1756 +1566) TOTAL | __13463) [TOTAL | _ 133571 [TOTAL 12786| 12769 | | | | | Note: for analysis, use Holy Cross Data [ I T { | T | KOTLIK WHITE MOUNTAIN | Unalakleet -------. > Nome -----—--------- > JAN | _ 1855] JAN 1809] FEB | 1727 FEB 1701 MAR 1692 MAR 1767| | APR 1294 APR 1424) | MAY 834 [MAY 898 | JUN 532! [____[suN 5651 | | JUL 386 JUL 430 | | Heute AUG 393 AUG 463 | | SEP | _ 662] SEP 676| | | | OCT T1164) [ocT 1140 | 4 NOV 1505 NOV 1447, al | DEC 1875) DEC 1818 | | TOTAL 13919] TOTAL 14138 | i | Note: St. Marys is closer than Unalakleet to Kotlik but has less HDD than typical coastal communities. Unalakleet is the ! | closest listed coastal communi to White Mountain. Engine Heat balance charts for modern diesel engines indicate one-third of fuel required for engine operation results in heat absorbed by the jacket water. This heat must be totally removed to assure dependable engine performance. % LOAD TYPICAL HEAT BALANCE DIESEL ENGINE (PRECOMBUSTION CHAMBER — TURBO-CHARGED AFTERCOOLER) Figure 101 The amount of heat removed is regulated by engine thermostats. They permit efficient engine operation by disconnecting the exter- nal cooling system until jacket water temper- atures exceed 175°F (79°C). Never operate without thermostats when utilizing the nor- mal 175°F (79°C) cooling system. EXCERPT FRom “CATERPILLAR APPLICATION AND INSTALLATION " MANUAL (AUG. gs) - PC. GC. DEMONSTRATES “THAT BETWEEN S07, £ 1007, LoAD , PERCeEDT OF EWERLY “To JACKET WATER 1S ESSENTIAUN CONSTANT . PERCENTAGES OBTAINED FRon PRIME LoxaD DATA SHouLdD BE APPLICABLE IN “THIS RAWNCE . GENSETS.XLS GENSET DATA I | T [ + t 4. LOCATION |GENSET - | | HOONAH, CATAPILER 3512 @ 851 KW PRIME (W/O FAN) - NOTE 1 pel LL Cc. BAY INPUT: 143198] btu/min OUTPUT: [Work: [ 52320| 36% Exhaust: 52832) 37% Radiation: 6369 4% Water: [ 32075| 22% Aftercooler: 3697|btu/min _| (included in jacket water) -----> Oo} Oilcooler: 7166|btw/min _| (included in jacket water) -----> 0 Total: c 143596] btu/min | WATER % LOAD | KW GPH KWH/GAL] BTU/HR_|BTU/KWH|_ BTU/GAL 100] _ 851 62.0) 13.7 1924500 2261 31049) 75|__ 638) I 50| 426 Cc. BAY CATAPILER 3512 @ 683 KW PRIME (W/O FAN) - NOTE 2 | st] INPUT: 121417| btu/min |OUTPUT: | Work: 43392| 36% | Exhaust: 44984| 37%! Radiation: 6028] 5% __|Water: [ 27070] 22%) Aftercooler: _|__1934|btu/min_| (included in jacket water) -----> 0} Oilcooler: 6085|btu/min__| (included in jacket water) -----> 0 L Total: 121474] btu/min L [ WATER % LOAD KW. |_ GPH KWH/GAL}_ BTU/HR_ | BTU/KWH| BTU/GAL 1 100) 683) 52.6 13.0 1624200) 2378) 30905|_ 75 512 50) 342 HOONAH CATAPILER D398 @ 600 KW PRIME (W/O FAN) INPUT: 48.2i gph rr 19590} btu/b hhv * 7.076} Ib/gal / 60| mirvhr = 111357] btu/min OUTPUT: |Work: 636] kw engine * 3412] btu/kwh / 60|minhr =| 36167] 33% Exhaust: 37400) 34% Radiation: | 5300| 5% Water: [ | 32200| 29% Total: | 111067] btu/min WATER % LOAD | KW GPH_|KWH/GAL| BTU/HR_ |BTU/KWH| BTU/GAL 113) 675) 56.1 12.0) 2190000) 3244 39037, 100) 600) 48.2 12.4 1932000) 3220 40083, 75} 450)_——36.1 12.5| _| = 300! 25.3} 11.9) L. KALSKAG | CATAPILER 3406 TA @ 210 KW PRIME (W/O FAN) - NOTE 3 INPUT: 16.5|gph * 19590] btu/b hhv * 7.076] Ib/gal / 60|minfhr =| 38120|btu/min OUTPUT: | Work: 224/kw engine * 3412) btu/kwh / 60|mirvhr = | 12738 33% Exhaust: 13700 36% Radiation: 1900] 5% Water: 10000| 26%! Total: 38338) btu/min l WATER % LOAD KW GPH_|KWH/GAL| BTU/HR_ |BTU/KWH| BTU/GAL 124| 260! 20.6) 12.6 726000 2792| 35243} 100} 210 16.5) 12.7 600000} 2857| 36364 75|_158|_——«12.6 12.5 } 50|__105 9.0) 11.7] | Page 1 GENSETS.XLS L. KALSKAG | CATAPILER D342 T @ 160 KW PRIME (W/O FAN) - NOTE 4 | [INPUT: 12.5|gph * 19590[btu/b hhv * 7.076] Ib/gal / Solmint =| 28879|btu/min OUTPUT: | Work: 235|bhp engine * 2545] btu/bhp-hr / 60|min/nr = 9969} 34% Exhaust: | 1340|CFM @ 710) F --- > 8157| 28% Radiation: [ atool 7%! Water: 9400) 32% Total: | 29626) btu/min WATER Tf [-% LOAD KW. GPH_ |KWH/GAL| BTU/HR BTU/KWH|__BTU/GAL mi 143] 229) 100) 160} 12.5 12.8) 564000} 3525 45120) 75|__ 120) 9.8) 12.2) 50) 80) 7.0) 11.4 KOTLIK CATAPILER 3306 TA @ 155 KW PRIME (W/O FAN) - NOTE 5 INPUT: 12.3] gph ° 19590] btu/ib hhv * 7.076| Ib/gal / OUTPUT: | Work: 167|kw engine * 3412|btu/kwh / Exhaust: Radiation: Tt Water: Total: WATER % LOAD | KW | GPH |KWH/GAL| BTU/HR |BTU/KWH| STU/GAL | | 116] 180|_——«14.5' 12.4] ___ 468000) 2600 32276| 100/155, ‘12.3 12.6| 408000) 2632| «33171 75|__ 116, «9.3 12.5] 50] 7a|_ =i. 11.9 R. MISSION [CATAPILER 3304T @ 90 KW PRIME (W/O FAN) - NOTE 6 C INPUT: 7.6|gph * 19590] btu/b hhv * 7.076|Ib/gal / 6o|minwnr =| __17558|btw/min OUTPUT: |Work: | 99|kw engine * 3412| btu/kwh / 60|min/nr = 5630| 31% Exhaust: 5801 31%| Radiation: i i 1990] 11% Water: | - 5005] 27% Total: ii 18426| btu/min (La |_WATER L | % LOAD | KW | GPH |KWH/GAL| BTU/HA |BTU/KWH| BTU/GAL 17] tos] 8.2] 1.4] «341220 3250) 37089) i tool 90] 78 11.8] 300300) 3337 39513 75| 68 5.6| 12.1 50| 45 3.9 11.5|_ | | R. MISSION, |CUMMINS LTA 10 @ 110 KW PRIME (W/O FAN) - NOTES 7 & 8 WHITE MT. _| INPUT: 8.0|gph ° 19590] btu/Ib hhv * 7.076) Ib/gal / 60| mirvhr =| 18536] btu/min OUTPUT: | Work: 166|bhp engine | 2545] btu/bhp-hr / 60| min/nr = 7042 38% Exhaust: 9382| * | 166] / 235] = 6627| 36% Radiation: 745| * 166} / 235| = 526} 3% Water: 6251] * 166] / 235) = 4416) 24% Total: 18611|btu/min i WATER % LOAD | KW GPH_|KWH/GAL|_BTU/HR_|BTU/KWH|_BTU/GAL 100) 110) 8.0 13.8 264936) 2409} 33117 i 75) 83 50| 55 | ANVIK ALLIS CHALMERS 11000 @ 100 KW PRIME (W/ FAN) - NOTE 9 INPUT: 8.5|gph * 19590 btu/Ib hhv * 7.076|Ib/gal / 60| min/hr = 19638] btu/min OUTPUT: | Work: 150| bhp engine * 2545) btu/bhp-hr / 60| min/hr = 6363) 32% i Exhaust: | 2 Radiation: 2 Water: 150|bhp engine * 32|btu/bhp-min = | 4800) 24% | Total: T 2] btu/min Page 2 GENSETS.XLS | WATER | fli i | % LOAD | KW | GPH |KWH/GAL| BTU/HR |BTU/KWH| BTU/GAL | | | ii 125 125] —_—‘10.3 12.1 360000! 2880) 34951] | 100] 100] 8.5 11.8) 288000! 2880 33882] [ | 75| 75 6.7 11.2 a | I ia 50,50] —«5.0) 10.0 i Iran) | | | | | ANVIK ALLIS CHALMERS 3500 @ 60 KW PRIME (W/ FAN) - NOTE 10 i | INPUT: 5.1|gph * 19590] btub hhv * 7.076||b/gal / 60|min/hr =| 11783] btu/min [OUTPUT: [Work: 87|bhp engine * 2545|btu/ohp-hr/ | _60|min/hr =| 3691] 31% Exhaust: | al mi __|Radiation: | oy 7 Water: 87|bhp engine * 32|btu/bhp-min = 2784] 24% Total: | ?\btu/min al alk, WATER | % LOAD | KW | GPH |KWH/GAL| BTU/HR_ |BTU/KWH| BTU/GAL | | 125| 75 6.7| i) 2784 31164) | | | [100 60) 5.2 11.5) 167040 2784 32123} | Et 75| 45 3.8 11.8 I 50| 30) 27 oh ! | | ANVIK ALLIS CHALMERS 2900 @ 50 KW PRIME (W/ FAN) - NOTE 10 i | INPUT: 426[gph" | _19590/btulb hhv* 7.076||b/gal / 60| min/hr = | 9842i btu/min OUTPUT: |Work: L 73] bhp engine * 2545|btu/ohp-hr/ | _60|min/hr =| 3097] 31% Exhaust: ITT, | | Radiation: | I Water: 73|bhp engine * 32| btu/ohp-min = | 2336] 24% li Total: 2 btu/min i WATER | % LOAD | KW | GPH |KWH/GAL| BTU/HR |BTU/KWH| BTU/GAL | 120 60) 5.2) 11.5] 168192 2803 32345 | | 100; 50} 4.26 11.7| 140160] 2803 32901 a 75 33/_3.23 11.6 | | 50] 25| 2.3| 10.9] [ T i SUMMARY RESULTS: | WEIGHTED SITE | | LOCATION |GENSET BTU/KWH| BTU/GAL| WGHT % |BTU/KWH| BTU/GAL aah HOONAH _ [CAT D398) [_3220/ 40083) 5 2357 31953) | [CAT D398 3220| 40083) 5 | CAT 3512 (851 KW) 2261| 31049 90 | T ic. BAY CAT 3512 (683 KW) 2378 30905 33] 2339] 30953] | I CAT 3512 (851 KW) 2261; 31049 33 | | CAT 3512 (683 KW) 2378| 30905 33 an L.KALSKAG |CAT 0342T il 3525] 45120) oO 2924 37239] [ | [CAT 3406TA 2857| 36364) 90) [ | CAT 0342T [352545120 10] | R. MISSION [CUMMINS LTA10 2409[ 33117 50 2873 36315] | | CAT 3304T 3337/ 39513 25 | CAT 3304T 3337] 39513] 25| | [ ! ANVIK ‘AC 11000 2880| _33882| 33} 2822 32969] | ‘AG 3500 2784, 32123 33 | ‘AC 2900 2803[ _32901/ 33 | | i} } KOTLIK CAT 3306TA 2632|_33171/ 50| 2632! 33171] | | | CAT 3306TA 26, 33171 50| || | | A Te] I | WHITE MT. GENSETS.XLS [DETROIT 4-71T I o CUMMINS LTA10 2409 33117 100} 2409) 33117| DETROIT 371 0 - NOTES: 4+ General) Engine input and output are from manutacturer's data except as shown. KWH/GAL, BTU/KWH, and BTU/GAL are calculated. L 1) Fuel use is listed in manufacturer's data as 143198 btu/min input. Fuel use in gph is calculated as btu/min / 19590 btufb hhv / 7.076 Ib/gal * 60 min/fnr = gph. 2) Fuel use is listed in manufacturer's data as 121417 btu/min input. Fuel use in gph is calculated as btu/min / 19590 btuAb hhv / 7.076 Ib/gal * 60 mir/hr_= gph. | 3) Nameplate info recorded on engine #2 as 3406D! however AVEC data lists 37SHP/257KW for this genset which corresponds to a 3406TA. A 3406DITA is rated at 433HP/310KW. Generator nameplate data lists 350KW prime. 3406TA data is used here. I I 4) One genset nameplate info recorded as D342turbo and one as D342PC. They have a skid mounted fan and} remote radiator, respectively. Typical AVEC data for 0342T with fan is 335HP/223KW peak and without fan is 335HP/229KW peak. This corresponds to a 0342T. D342T data without fan is used here. | I | 5) Nameplate info recorded on engines as 3306D1! and on generators as 1SOKW prime. Both gensets have skid mounted fan. 150 KW prime with fan corresponds to a 3306TA. 3306TA data without fan is used here. Len 8) Two gensets namepiate info recorded as 3304DT however AVEC data lists 3304B at 192HP/128KW peak which exceeds manufacturer's standby data. Both gensets have skid mounted fan. 3304T data without fan is used here. | | pe | | 7) At Russion Mission, nameplate info recorded on engine as Cummins LTA10 and on generator as 110KW prime. Typical AVEC data for LTA10 is 276HP/189KW and for LTA10L (low speed 1200 rpm) is 184HP/126KW peak. Only output data available for fuel & power is from one publication and heat output at 1800 rpm only from another. They are very questionable. Values used are all calculated from 1800 rpm values reduced | proportionally from 235HP to 166HP (which corresponds to 110KW prime). 8) At White Mountain, nameplate info recorded on engine as Cummins LTA10 and on generator as 140KW prime. This is a 1200 rpm genset. Values used are the same as described above. 9) Nameplate info recorded on engine as AC11000 and on generator as 15O0KW prime. Typical AVEC data for AC11000 is 195HP/130KW peak. This is an 1800 rpm genset. Only output data available is for fuel vs. generated KW electrical power from one publication and heat output at 2200 rpm only from another (constant 32 btu/ohp-min.). Fuel vs. engine power is given in the 2nd publication and does not correlate well with 1st publication. All values are very questionable. Except for fuel vs. generated KW electrical power, all values used are calculated. | | 10) Nameplate info recorded on engines as AC2900 and AC3500. These are 1800 rpm gensets. Typical AVEC: data for AC3500 is 1S9HP/10SKW peak however this genset reportedly does not meet normal weekday loads which peak at less than 90KW. The AC2900 is even smaller. For purposes of this report the gensets are treated as DES-60 and DES-5O, respectively. These gensets use the AC2900 engine. For each genset only output data available is for fuel vs. generated KW electrical power from one publication and heat output at 2600 rpm only and 2400 rpm only , respectively from another (constant 32 btu/bhp-min.). Fuel vs. engine power is given in the 2nd publication and does not correlate well with 1st publication. All values are very questionable. Except for fuel vs. generated KW electrical power, all values used are calculated. T | PIPELOSS.XLS PIPE HEAT LOSS| [ | | BURIED PIPING, SINGLE PIPE, 3" PU INSULATION + | | | | | K= aad Btutt-hr °F} R=|in(Do/Dpy/2:Pi-K Qf=|(Tp-ToyR To=| _0|°F (ground) Tp=|_180/°F (fluid) Pipe Size] Type! Dp (in)| Do(in)| A(fthr°F| — Q/(Btul (inches), | /Btu)| /ne-ft)| | | yes [1.32 7.32 19.5| 9.2| 1.25|IPS 1.66} 7.66) 17.4 10.4) | 1SIIPS 19) 7a 16.2) 44 io i 2iIPS 2.38) 8.38) 14.3 12.6 3[IPS 3.5| 9.5] 11.4) 15.9] | ee Li 4|IPS 45 10.5 9.6 18.7 | | SIPS 5.56 11.56| 8.3 21.6 6[IPS 6.63] 12.63 73 24.6 i glIPS g63] (14.63 60] 30.0 | BURIED PIPING, SINGLE PIPE, 2" PU INSULATION T | | IPs | 1.32 5.32! 15.8 11.4 | | 125IPS_| 1.66] 5.66| 13.9 12.9 T [ | 1.5[IPS__| 1.9) 5.9) 12.9 14.0 | 2iIPS 2.38 6.38 11.21 16.1 | 3iIPS 3.5 75 a7 20.8) 4IPS 45 85] 7.2 24.9) SIPS 5.56 9.56 6.2 29.2 I 6|IPS 6.63 10.63| 5.4 33.5 [ABOVE GRADE PIPING, RSE PIPE, 1.5" FG INSULATION | T K=|_ 0.023] Btutthr°F|_ R=|in(Do/Dpy/2-Pi-K Qi=|(Tp-ToyR | To=| _80|°F (room) = Tp=|_180|°F (fluid) | 1jIPS 1.32 4.32 8.2| 12.2 | 1.25|1PS 1.66 4.66) 7.4] 14.0 | | 1.5]IPS 1.9 49 6.6 15.3 [ | 2\IPS_| 2.38) 5.38 5.6 177 | aiips__| 35 6.5) 43 23.3 | | 4jiPs__| 45 7.5] 35) 28.3) | S|IPS 5.56] 8.56 3.0 33.5 | | 6[IPS 6.63 9.63 26 38.7| alIPS 8.63, 11.631 2.1 48.4 iw [ ABOVE GRADE PIPING, SINGLE PIPE, NO INSULATION T | [QA trom ASHRAE Fundamentals (1989), Chapter 22, Table 9 & 10 To=| _ 80|°F (room) | l I Tp=|_180|°F (fluid) Pipe Size|_Type| _Op(in)| _ QA(Btul (inches) Theft) + 1 IPS 1.32 a9) L 1.25]IPS. 1.66 110] | 1.5IIPS 1.9 124] | 2iIPS 2.38 152I 3iIPS 35 216 4|IPS 45 272| 5|IPS 5.56 330] | 6IPS 6.63 387] | | siIPS 8.63 493 | I. Page 1 CAPACITY.XLS WASTE HEAT SYSTEM - HEAT TRANSFER COMPONENT CAPACITY REQUIREMENTS Te I COLD BAY | COLDEST MONTH = JAN.| HDD = 1126) l | Tave=| _65-(HDD/31) =| 29/°F PRACTICAL MINIMUM = [°F RATIO ave tem ait max ere dif = (70 - 0) /(70 - 29) = 1.7|"* Example: |DOT/PF Shop: 681|gal / month worst month : 1.7| multiplier mn / 31|days / month ae / 24/hours / day il 1.56/gal / hour worst hour —"[__ 140000] btu 7 gal | “| 0.75left. nn | 132000 bm / hour heating unit required FACTOR capacity - fuel use = 163000 / 681 = 240/** FLUID FLOW @ 20°F TEMP. DROP =| 163000 / (20 ° 460) = 18|gpm _t FACTOR capacity - flow = 20 * 460 = 9200|"" HOONAH COLDEST MONTH = JAN.| HOD = 1087| Ly | Tave=| _ 65-(HOD/31) = 30°F ~ PRACTICAL MINIMUM = olor RATIO ave temp diff - max temp diff =| (70 - 0)/(70 - 30) = 1.8["* 3 L. KALSKAG COLDEST MONTH = JAN.| HOD =| 2000| ave | R. MISSION] [ | ANVIK Tave=| _65-(HDD/31) = ol°F KOTLIK | W. MOUNT. PRACTICAL MINIMUM = -40|°F ! RATIO ave temp diff - max temp diff = |(70 -(-40)) /(70-0) =| 1.6|"" is i C CONCLUSION: USE OVERALL TYPICAL FACTORS AS FOLLOWS: RATIO ave temp diff - max temp diff = 1.7 | OVERALL FACTOR capacity - fuel use = 240 OVERALL FACTOR capacity - flow = 9200) |