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17D-012 Medowbrook COMcheck v2 02-02-10Project Title: Report date: 02/02/10 Data filename: G:\projects\YEAR-2009\057-09 Meadowbrook Apt\Mech\Medowbrook Apts.cck Page 1 of 4 COMcheck Software Version 3.6.1 Envelope Compliance Certificate 2006 IECC Section 1: Project Information Project Type: New Construction Project Title : Construction Site:Owner/Agent:Designer/Contractor: 491 Bridge Road Florence, MA 01062 Preservation of affordable Housing Inc. 40 Court street Suite 650 Boston, MA 02108 Callahan Construction Managers 80 First Street Bridgewater, MA 02324 Section 2: General Information Building Location (for weather data):Northampton, Massachusetts Climate Zone:5a Heating Degree Days (base 65 degrees F):6404 Cooling Degree Days (base 50 degrees F):2627 Vertical Glazing / Wall Area Pct.:17% Activity Type(s)Floor Area Multifamily 13371 Section 3: Requirements Checklist Envelope PASSES: Design 5% better than code. Climate-Specific Requirements: Component Name/Description Gross Area or Perimeter Cavity R-Value Cont. R-Value Proposed U-Factor Budget U-Factor Roof 1: Attic Roof with Wood Joists 4457 19.0 19.0 0.026 0.034 Comments: Based on Architectural drawings Exterior Wall 1: Wood-Framed, 16" o.c.6947 21.0 0.0 0.062 0.089 Comments: 780 CMR table 1304.2.10 Window 1: Vinyl Frame:Double Pane, Clear, SHGC 0.63 645 ------0.480 0.350 Comments: MW vinyl single unit window Window2: Vinyl Frame:Double Pane, Clear, SHGC 0.63 510 ------0.480 0.350 Comments: MW vinyl double unit window Door 1: Other, Swinging 40 ------0.450 0.700 Comments: Single lite Front and Rear entrance doors Door 2: Insulated Metal, Swinging 21 ------0.060 0.700 Comments: Exterior door at mechanical room Door 3: Other, Swinging 260 ------0.450 0.700 Comments: MW Center hinged patio door Door 4: Other, Swinging 120 ------0.450 0.700 Comments: MW single lite patio door Floor 1: Slab-On-Grade:Unheated, Horizontal with vertical >= 4 ft.4457 ---10.0 ------ Comments: 4" concrete slab w/R10 rigid insulation (a) Budget U-factors are used for software baseline calculations ONLY, and are not code requirements. Air Leakage, Component Certification, and Vapor Retarder Requirements: q 1.All joints and penetrations are caulked, gasketed or covered with a moisture vapor-permeable wrapping material installed in accordance with the manufacturer's installation instructions. Project Title: Report date: 02/02/10 Data filename: G:\projects\YEAR-2009\057-09 Meadowbrook Apt\Mech\Medowbrook Apts.cck Page 2 of 4 q 2.Windows, doors, and skylights certified as meeting leakage requirements. q 3.Component R-values & U-factors labeled as certified. q 4.Insulation installed according to manufacturer's instructions, in substantial contact with the surface being insulated, and in a manner that achieves the rated R-value without compressing the insulation. q 5.No roof insulation is installed on a suspended ceiling with removable ceiling panels. q 6.Stair, elevator shaft vents, and other outdoor air intake and exhaust openings in the building envelope are equipped with motorized dampers. q 7.Cargo doors and loading dock doors are weather sealed. q 8.Recessed lighting fixtures are: (i) Type IC rated and sealed or gasketed; or (ii) installed inside an appropriate air-tight assembly with a 0.5 inch clearance from combustible materials and with 3 inches clearance from insulation material. q 9.Building entrance doors have a vestibule equipped with closing devices. Exceptions: Building entrances with revolving doors. Doors that open directly from a space less than 3000 sq. ft. in area. q 10.Vapor retarder installed. Section 4: Compliance Statement Compliance Statement: The proposed envelope design represented in this document is consistent with the building plans, specifications and other calculations submitted with this permit application. The proposed envelope system has been designed to meet the 2006 IECC requirements in COMcheck Version 3.6.1 and to comply with the mandatory requirements in the Requirements Checklist. Name - Title Signature Date Project Notes: 3 story, 12 unit Multi-family apartment building Located in Florence Massachusetts (Hampshire County) Forced hot water heating by fin tube radiation high efficiency gas fired condensing boiler high efficiency gas fired domestic hot water heater No mechanical cooling provided 780 CMR 6th Edition Massachusetts State Building Code 2006 IECC Climate zone 14a Project Title: Report date: 02/02/10 Data filename: G:\projects\YEAR-2009\057-09 Meadowbrook Apt\Mech\Medowbrook Apts.cck Page 3 of 4 COMcheck Software Version 3.6.1 Mechanical Compliance Certificate 2006 IECC Section 1: Project Information Project Type: New Construction Project Title : Construction Site:Owner/Agent:Designer/Contractor: 491 Bridge Road Florence, MA 01062 Preservation of affordable Housing Inc. 40 Court street Suite 650 Boston, MA 02108 Callahan Construction Managers 80 First Street Bridgewater, MA 02324 Section 2: General Information Building Location (for weather data):Northampton, Massachusetts Climate Zone:5a Heating Degree Days (base 65 degrees F):6404 Cooling Degree Days (base 50 degrees F):2627 Section 3: Mechanical Systems List Quantity System Type & Description 1 Plant 1: Heating: Hot Water Boiler, Capacity 390 kBtu/h, Gas 1 Water Heater 1: Gas Storage Water Heater, Capacity: 240 gallons, Input Rating: 240 Btu/h w/ Circulation Pump Section 4: Requirements Checklist Requirements Specific To: Plant 1 : q 1.Equipment minimum efficiency: Boiler Thermal Efficiency 75% Et q 2.Newly purchased heating equipment meets the efficiency requirements - used equipment must meet 80% Et @ maximum capacity q 3.Two-pipe changeover heating/cooling controls must have: a) 15 degrees F deadband where boiler and chiller can not operate, b) allow operation in either heating or cooling for at least 4 hrs. and c) prevent difference between heating and cooling set points greater than 30 degrees F q 4.Systems with multiple boilers have automatic controls capable of sequencing boiler operation q 5.Hydronic heating systems comprised of a single boiler and >500 kBtu/h input design capacity include either a multistaged or modulating burner Requirements Specific To: Water Heater 1 : q 1.Hot water system sized per manufacturer's sizing guide q 2.Gas Storage Water Heater efficiency: 80.0 % Et q 3.All piping in circulating system insulated q 4.Hot water storage temperature adjustable down to 120 degrees F or lower q 5.Automatic time control of heat tapes and recirculating systems present q 6.Controls will shut off operation of circulating pump between water heater/boiler and storage tanks within 5 minutes after end of heating cycle Generic Requirements: Must be met by all systems to which the requirement is applicable: q 1.Load calculations per 2001 ASHRAE Fundamentals q 2.Plant equipment and system capacity no greater than needed to meet loads -Exception: Standby equipment automatically off when primary system is operating Project Title: Report date: 02/02/10 Data filename: G:\projects\YEAR-2009\057-09 Meadowbrook Apt\Mech\Medowbrook Apts.cck Page 4 of 4 -Exception: Multiple units controlled to sequence operation as a function of load q 3.Hot water pipe insulation: 1 in. for pipes <=1.5 in. and 2 in. for pipes >1.5 in. Chilled water/refrigerant/brine pipe insulation: 1 in. for pipes <=1.5 in. and 1.5 in. for pipes >1.5 in. Steam pipe insulation: 1.5 in. for pipes <=1.5 in. and 3 in. for pipes >1.5 in. -Exception: Piping within HVAC equipment. -Exception: Fluid temperatures between 55 and 105 degrees F. -Exception: Fluid not heated or cooled. -Exception: Runouts <4 ft in length. q 4.Piping, insulated to 1/2 in. if nominal diameter of pipe is <1.5 in.; Larger pipe insulated to 1 in. thickness q 5.Lavatory faucet outlet temperatures in public restrooms limited to 110 degrees F (43 degrees C) q 6.Hot water distribution systems >=300 kBtu/h must have one of the following: a) controls that reset supply water temperature by 25% of supply/return delta T b) mechanical or electrical adjustable-speed pump drive(s) c) two-way valves at all heating coils d) multiple-stage pumps e) other system controls that reduce pump flow by at least 50% based on load - calculations required Section 5: Compliance Statement Compliance Statement: The proposed mechanical design represented in this document is consistent with the building plans, specifications and other calculations submitted with this permit application. The proposed mechanical systems have been designed to meet the 2006 IECC requirements in COMcheck Version 3.6.1 and to comply with the mandatory requirements in the Requirements Checklist. Name - Title Signature Date