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HomeMy WebLinkAboutM002 - MECHANICAL SPECIFICATIONSC•i SECTION 230593 -TESTING, ADJUSTING, AND BALANCING FOR HVAC 1.1 QUALITYASSURANCE A. TAB Specialists Qualifications: Certified by AABC, NEBB or TABS. B. Instrumentation Type, Quantity, Accuracy, and Calibration: Comply with requirements in ASHRAE it 1, Section 4, "Instrumentation." PART 2-EXECUTION 2.1 EXAMINATION A. Examine the Contract Documents to become familiar with Project mquimmen%antl to discover conditions in systems designs that may preclude proper TAB of systems and equipment. B. Examine installed systems for balancing devices, such as test pods, gage cocks, thermometer wells, flowcontrol devices, balancing valves and fittings, and manual volume dampers. Verify that locations of these balancing devices are applicable for intended purpose and are accessible. C. Examine the approved su broidals for HVAC systems and equipment. D. Examine design data including HVAC system descriptions, statements of design assumptions for environmental conditions and systems output, and statements of philosophies and assumptions about HVAC system and equipment controls. E. Examine equipment performance data including fan and pump curves. 1. Relate performance data to Project conditions and requirements, including system effects that can create undesired or unpredicted conditions that cause reduced capacities in all or pad of a system. 2. Calculate system -effect factors to reduce performance ratings of HVAC equipment when installed under conditions different from the conditions used to rate equipment performance. To calculate system effects for air systems, use tables and charts found in AMCA 201 "Fans and Systems," or in SMACHVAC Systems -Duct Design." Compare results with the design data and installed conditions. F. Examine system and equipment installations and verify that field quality -control testing, cleaning, and adjusting specified in individual Sections have been performed. G. Examine test reports specified in individual system and equipment Sections. H. Examine HVAC equipment and verify that bearings are greased, belts are aligned and tight, filters are clean, and equipment with functioning controls is ready for operation. I. Examine terminal u nits, such as variable-air-volu me boxes, and verify that they are accessible and their controls are connected and functioning. J. Examine operating safety interlocks and controls on HVAC equipment. K. Report deficiencies discovered before and during performance of TAB procedures. Observe and record system reactions to changes in conditions. Record default set points if different from indicated values. 2.2 PREPARATION A. Prepare a TAB plan that includes the following: 1. Equipment and systems to be tested. 2. Strategies and step-by-step procedures for balancing the systems. 3. Instrumentation to be used. 4. Sample fours with specific identification for all equipment. B. Perform system-madiness checks of HVAC systems and equipment to verify system readiness for TAB work. Include, at a minimum, the following: 1. Airside: a. Verify that leakage and pressure tests on air destruction systems have been satisfactorily completed. b. Duct systems are complete with terminals installed. C. Volume, smoke, and fire tlampers are open and functional. d. Clean filters are installed. e. Fans are operating, free of vibration, and rotating in correct direction. f. Variable -frequency controllers'stadup is complete and safeties are verified. g. Automatic temperature -control systems are operational. h. Ceilings are installed. I. Windom and doom are installed. j. Suitable access to balancing devices and equipment is provided. 2.3 GENERAL PROCEDURES FOR TESTING AND BALANCING A. Perform testing and balancing procedures on each system according to the procedures contained in SMACNA's "HVAC Systems -Testing, Adjusting, and Balancing" and in this Section. B. Cut insulation, tlucts, pipes, and equipment cabinets for installation of test probes to the minimum extent necessary for TAB procedures. 1. After testing and balancing, patch probe holes in ducts with same material and thickness as used to construct ducts. 2. After testing and balancing, install test pods and duct access doors that comply with requirements in Section 233300 "Air Dud Accessories' 3. Install and join new insulation that matches removed materials. Restore insulation, coverings, vapor border, and finish according to Section 230713 "Duct Insulation," Section 230716 "HVAC Equipment Insulation," and Section 230719 "HVAC Piping Insulation! C. Mark equipment and balancing devices, including damper -control positions, valve position indicators, fan -speed -control levers, and similar controls and devices, with paint or othersuitable, permanent identification material to show final settings. D. Take and report testing and balancing measurements in inch -pound (IP) units. 2.4 GENERAL PROCEDURES FOR BALANCING AIR SYSTEMS A. Prepare test reports for both fans and outlets. Obtain manufacturers outlet factors and recommended testing procedures. Cross-check the summation of required outlet volumes with required fan volumes. B. Prepare schematic diagrams of systems' "as -built duct layouts. C. For vadable-air-volume systems, develop a plan to simulate diversity. D. Determine the best locations in main and branch ducts for accurate duct -airflow measurements. E. Check airflow patterns from the outdoorair louvers and tlampers and the return- and exhaust -air dampers through the supply -fan discharge and mixing dampers. F. Locate start -stop and disconnect switches, electrical interlocks, and motor starters. G. Verify that motor starters are equipped with properly sized thermal protection. H. Check dampers for proper position to achieve assured airflow path. I. Check for airflow blockages. J. Check condensate drains for proper connections and functioning. K. Check for proper sealing of air-handling-un it mmponen%. L. Verify that air duct system is sealed as specified in Section 233113 "Metal Ducts! 2.5 PROC EDURES FOR C ONSTANT-VOLUME AIR SYSTEMS A. Adjust fans to deliver total indicated airnows within the maximum allowable fan speed listed by fan manufacturer. 1. Measure total airflow. a. Set detaitleair, return -air, and relief -air tlampers for proper position that simulates minimum outdoor -air conditions. L. W here duct coned pions allow, measure airflow by Pi of -tube traverse. If necessary, perform multiple Pitot-tube traverses to obtain total airflow. C. Where duct conditions are not suitable for Pitot-tube traverse measurements, a mil traverse may be acceptable. d. If a reliable Pitot-tube traverse or mil traverse s not possible, measure airflow at terminals and calculate the total aid low. RELEASED FOR CONSTRUCTION Subject to compliance with all regulations of State and Local Codes City of Camel (� �VTI�'lla,ndNaA�+L DATE: \ 08/23/19 2. Measure fan static pressures as follows: a. Measure static pressure directly at the fan outlet or through the flexible connection. b. Measure static pressure directly at the fan inlet orthrough the flexible connection. C. Measure static pressure across each component that makes up the air -handling system. d. Report artdicial loading of from at the time static pressures are measured. 3. Review Record Documents to determine variations In design static pressures versus actual static pressures. Calculate actual system -effect factors. Recommend adjustments to accommodate actual conditions. 4. Do not make fan -speed adjustments that result in motor overload. Consult equipment manufacturers about fan -speed safety factors. Modulate dampers and measure fan -motor amperage to ensure that no overused occurs. Measure amperage in full -cooling, full -heating, economizer, and any other operating mode to determine the maximum required brake horsepower. B. Adjust volume dampers for main duct, submain ducts, and major branch duds to intlicatetl airflows. 1. Measure airflow of submain and branch ducts. 2. Adjust submain and branch duct volume dampers for specified airflow. 3. Re -measure each submain and branch duct after all have been adjusted. C. Adjust air inlets and outlets for each space to indicated airflows. 1. Set airflow patterns of adjustable outlets for proper distribution without drafts. 2. Measure inlets and outlets airflow. 3. Adjust each inlet and outlet for specified airflow. 4. Re-measu re each inlet and outlet after they have been adjusted. D. Verify final system conditions. 1. Re -measure and confirm that minimum outdoor, return, and relief airflows are within design. Readjust to design if necessary. 2. Re -measure and confirm that total airflow is with in design. 3. Re -measure all final fan operating data, rpms, volts, amps, and static profile. 4. Mark all final settings. 5. Test system in economizer made. Very proper operation and adjust if necessary. 6. Measure and record all operating data. 7. Record final fan -performance data. 2.6 PROCED UR ES FOR VAR IAB LE -AIR -VOLUME SYSTEMS A. Adjust the variable -air -volume systems as follows: 1. Verify that the system static pressure sensor is located two-thirds of the distance down the duct tram the fan discharge. 2. Verify that the system is under static pressure control. 3. Select the terminal unit that is most critical to the s upply-fan airflow. Measure inlet static pressure, and adjust system static pressure control set point so the entering static pressure for the critical terminal unit is not less than the sum of the terminal -unit manufacturers recommended minimum inlet static pressure plus the static pressure needed to overcome terminal -unit discharge system losses. 4. Calibrate and balance each terminal unit for maximum and minimum design airflow as follows: a. Adjust controls so that terminal is calling for maximum airflow. Some controllers require starting with minimum airflow. Verify calibration procedure for specific project. It. Measu re ai rflow and adj ust calibration factor as required for design maximu in airflow. Record calibration factor. C. When maximum airflow is correct, balance the mroutlets downstream from terminal units. d. Adjust controls so that terminal is calling for minimum airflow. e. Measure airflow and adjust calibration factor as required fordesign minimum airflow. Record calibration factor. If no minimum calibration is available, note any deviation from design airflow. 5. After terminals have been calibrated and balanced, test and adjust system for total sidles. Adjust fans to deliver total design airflows within the maximum allowable fan speed listed by fan manufacturer. a. Set outside -air, return -air, and relief -air tlampers for proper position that simulates minimum outdoorair conditions. U. Set terminals for maximum airnow. If system design includes diversity, adjust terminals for maximum and minimum airflow so that connected total matches fan selection and simulates actual load in the building. C. Where duct conditions allow, measure aidlow by Pitot-tube traverse. If necessary, perform multiple Pitot-tube traverses to obtain total airflow. d. Where duct conditions are not suitable for Pitot-tube traverse measurements, a coil traverse may be acceptable. e. If a reliable Pitot-tube traverse or coil traverse is not possible, measure airflow at terminals and calculate the total airflow. 6. Measure fan static pressures as follows: a. Measure static pressure directly at the fan outlet or through the flexible connection. It. Measure static pressure directly at the fan inlet or through the flexible connection. C. Measure static pressure across each component that makes up the air -handling system. d. Report any artificial loading of filters at the time static pressures are measured. 7. Set final return and outside airflow to the fan while operating at maximum return airflow and minimum outdoor airflow. a. Balance the return -air ducts and inlets the same as described for constant -volume air systems. b. Verify that terminal units are meeting design airflow under system maximum flow. 8. Re -measure the inlet static pressure at the most critical terminal unit and adjust the system static pressure set point to the most energy -efficient set point to maintain the optimum system static pressure. Record set point and give to controls contractor. 9. Verify final system contlitions as follows: a. Re -measure and confirm that minimum outdoor, return, and relief airflows are within design. Readjust to match design if necessary. It. Re -measure and confirm that total airflow is within design. C. Re -measure final fan operating data, rpms, volts, amps, and static profile. d. Mark final settings. e. Test system in economizer mode. Verify proper operation and adjust if necessary. Measure and record all operating data. f. Verify tracking between supply and return fans. 2.7 DUCT LEAKAGE TESTS A. Witness the duct pressure testing performed by Installer. B. Verify that proper test methods are used and that leakage rates are within specified tolerances. C. Report deficiencies observed. 2.8 CONTROLS VERIFICATION A. In conjunction with system balancing, perform the following: 1. Verify temperature control system is operating within the design limitations. 2. Confirm that the sequences of operation are in compliance with Contract Documents. 3. Verify that controllers are calibrated and function as intended. 4. Very that controller set points are as indicated. 5. Verify the operation of lockout or interlock systems. 6. Verify the operation of valve and damper actuators. 7. Verify that controlled devices are properly installed and connected to correct controller. 8. Verify that controlled devices travel freely and are in position indicated by controller: open, closed, or modulating. 9. Verify location and installation of sensors to ensure that they sense only intended temperature, humidity, or pressure. B. Reporting: Include a summary of verifications performed, remaining deficiencies, and variations from indicated conditions. 2.9 PROCEDURES FOR TESTING, ADJUSTING, AND BALANCING EXISTING SYSTEMS A. Perform a preconstmction inspection of existing equipment that is to remain and be mused. 1. Measure and record the operating speed, airflow, and static pressure of each fan. 2. Measure motor voltage and amperage. Compare the values to motor nameplate information. 3. Check the refrigerant charge. 4. Check the condition of filters. 5. Check the condition of mils. 6. Check the operation of the drain pan and condensate -drain trap. T Check bearings and other lubricated pads for proper lubrication. 8. Report on the operating condition of the equipment and the results of the measurements taken. Report deficiencies. B. Before performing testing and balancing of existing systems, inspect existing equipment that is to remain and be mused to verify that existing equipment has been cleaned and refurbished. Verify the following: 1. New filters are installed. 2. Coils are clean and fins combed. 3. Drain pans are clean. 4. Fans are clean. 5. Bearings and other parts are county lubricated. 6. Deficiencies noted in the preconstruction report are corrected. C. Perform testing and balancing of existing systems to the extent that existing systems are affected by the renovation work. 1. Compare the indicated airflow of the renovated work to the measured fan airflows, and determine the new fan speed and the face velocity of filters and mils. 2. Verify that the indicated airflows of the renovated work result in filter and coil face velocities and fan speeds that are within the acceptable limits defined by equipment manufacturer. 3. If calculations increase or decrease the airflow rates and water flow rates by more than 5 percent, make equipment adjustments to achieve the calculated rates. If increase or decrease is 5 percent or less, equipment adjustment are not required. 4. Balance each air outlet. 2.10 TOLERANCES A. Set HVAC system's airflow rates and water flow rates within the following tolerances: 1. Supply, Return, and Exhaust Fans and Equipment with Fans: Plus or minus 10 percent. 2. Air Outlets and Inlets: Plus or minus 10 percent. B. Maintaining pressure relationships as designed shall have priority over the tolerances specified above. 2.11 FINAL REPORT A. General: Prepare a certified written report; tabulate and divide the report into separate sections for tested systems and balanced systems. 1. Include a certification sheet at the front of the report's binder, signed and sealed by the certified testing and balancing engineer. 2. Include a list of instruments used for procedures, along with proof of calibration. 3. Certify validity and accuracy of field tlata. B. Final Report Contents: In addition to certified field -report data, induce the following: 1. Pump curves. 2. Fan curves. 3. Manufacturers'test data. 4. Field test reports prepared by system and equipment installers. 5. Other information relative to equipment performance; do not include Shop Drawings and Product Data. C. General Report Data: In addition to form titles and entries, include the following data: 1. Title page. 2. Name and address of the TAB specialist. 3. Project name. 4. Project location. 5. Architect's name and address. 6. Engineers name and address. 7. Contractors name and address. 8. Report date. 9. Signature of TAB supervisor who certifies the report. 10. Table of Contents with the total number of pages defined for each section of the report. Number each page in the report. 11. Su mmary of contents including the following: a. Indicated versus final performance. It. Notable characteristics of systems. C. Description of system operation sequence if it varies from the Contract Documents. 12. Nomenclature sheets for each item of equipment. 13. Data for terminal units, including manufacturers name, type, size, and fittings. 14. Notes to explain why certain final data in the body of reports vary from Indicated values. 15, Test conditions for fans and pump performance forms including the following: a. Settings for outdoor-, return-, and exhaust -air dampers. b. Conditions of filters. C. Cooling mil,wet-antl dry-bu lb contlitions. d. Face and bypass damper settings at coils. e. Fan drive settings including settings and percentage of maximum pitch diameter. f. Inlet vane settings for vadable-air-volume systems. g. Settings for supply -air, staticpressure controller. h. Other system operating conditions that affect performance. D. Air -Handling -Unit Test Reports: For air -handling units with coils, include the following: 1. Unit Data: a. Unit identification. b. Location. c. Make and type. d. Model number and unit size. e. Manufacturer's serial number. C Unit arrangement and class. g. Discharge arrangement. h. Sheave make, size in inches, and bore. I. Center -to -center dimensions of sheave and amount of adjustments in inches. j. Number, make, and size of belts. k. Number, type, and size of filters. 2. Motor Data: a. Motor make, and frame type and size. b. Horsepower and rpm. c. Volts, phase, and hertz. d. Full -load amperage and service factor. e. Sheave make, size in inches, and bore. f. Center-tocenter dimensions of sheave and amount of adjustments in inches. 3. Test Data (Indicated and Actual Values): a. Total airflow rate in cfm. U. Total system static pressure in inches wg. C. Fan rpm. d. Discharge static pressure in inches wg. e. Filter static -pressure differential in inches wg. f. Preheat -mil static -pressure differential in inches wg. g. Cooling -coil static -pressure differential in inches wg. h. Heating -coil static -pressure differential in inches wg. I. Outdoor airflow in cfm. j. Return airflow in rim. k. Outdoor -air damper position. I. Retum-air damper position. on. Vortex damper position. E. Fan Test Reports: For supply, return, and exhaust fans, include the following: 1. Fan Data: a. System identification. U. Location. C. Make and type. d. Model number and size. e. Manufacturers serial number. f. Arrangement and class. g. Sheave make, size in inches, and bore. h. Center -to -center dimensions of sheave and amount of adjustments in inches. 2. Motor Data: a. Motor make, and frame type and size. It. Horsepower and rpm. C. Volts, phase, and hertz. d. Full -load amperage and service Factor. e. Sheave make, size in inches, and brae. f. Center -tor -center dimensions of sheave, and amount of adjustments in inches. g. Number, make, and size of belts. 3. Test Data (Indicated and Actual Values): a. Total airflow rate in cfm. U. Total system static pressure in inches wg. C. Fan rpm. d. Discharge static pressure in inches wg. e. Suction static pressure in inches wg. F. Round, Flat -Oval, and Rectangular Duct Traverse Reports: Include a diagram with a grid representing the duct cross-section and record the following: 1. Report Data: a. System and air -handling -unit number. It. Location and zone. c. Traverse air temperature in tleg F. d. Duct static pressure in inches wg. e. Duct size in inches. f. Duct area in sq. ft.. g. Indicated airnow rate in cfm. K Indicated velocity in fpm. I. Actual airflow rate in cfm. J. Actual average velocity in fpm. k. Barometric pressure in prig. G. Air -Terminal -Device Reports: 1. Unit Data: a. System and air -handling unit identification. b. Location and zone. c. Apparatus used for test. d. Area sewed. e. Make. f. Number from system diagram. g. Type and model number. In. Size. I. Effective area in sq. ft.. 2. Test Data (indicated and Actual Values): a. Airflow rate in cfm. It. Air velocity in fpm. C. Preliminary airflow rate as needed in cfm. d. Preliminary velocity as needed in fpm. e. Final airflow rate in don. f. Final velocity in fpm. g. Space temperature in tleg F. 2.12 ADDITIONAL TESTS A. Within 90 days of completing TAB, perform additional TAB to verify that balanced conditions are being maintained throughout and to correct unusual conditions. B. Seasonal Feel If initial TAB procedures were not Performed during near -peak summer and winter contlitions, perform addtional TAB during near -peak summer and winter conditions. SECTION 230713 - DUCT INSULATION 1.1 ACTION SUBMITTALS A. Product Data: For each type of product indicated. Include thermal conductivity, water -vapor permeance thickness, and jackets (both factory- and fieldapplied if any). 1.2 QUALITYASSURANCE A. Installer Qualifications: Skilled mechanics who have successfully completed an apprenticeship program or another craft training program certified by the Department of Labor, Bureau of Apprenticeship and Training. B. Surface -Burning Characteristics: For insulation and related materials, as determined by testing identical products according to ASTM E 84, by a testing agency acceptable to authorities having jurisdiction. Factory label insulation and jacket materials and adhesive, mastic, tapes, and cement material containers, with appropriate markings of applicable testing agency. 1. Insulation Installed leaders: Flame -spread index of 25 or less, and smoke -developed index of 50 or less. 2. Insulation Installed Outdoors: Flame -spread index of 75 or less, and smoke -developed index of 150 or less. 1.3 COORDINATION A. Coordinate clearance requirements with duct Installer for duct insulation application. Before preparing ducbvork Shop Drawings, establish and maintain clearance requirements for installation of insulation and field -applied jackets and finishes and for space required for maintenance. 1.4 INSULATION MATERIALS A. Mineral -Fiber Blanket Insulation: Mineral or glass fibers bonded with a thermosetting resin. Comply with ASTM C 553, Type 11 and ASTM C 1290, Type III with factory -applied FSK jacket. Factory -applied jacket requirements are specified in "Factory -Applied Jackets" Adide. 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. Johns Manville; a Berkshire Hathaway company. b. Knout Insulation. c. Owens Coming. 1.5 FACTORY -APPLIED JACKETS A. Insulation system schedules indicate factory -applied jackets on various applications. W hen factoryappliedjackets are indicated, comply with the following: 1. AS,: White, kraff-paper, fiberglass -reinforced scrim with aluminum -foil backing; complying with ASTM C 1136, Type I. 2. ASJSSL: ASJ with self-sealing, press uresensifive, acrylic -based adhesive covered by a removable pmtacive strip; complying with ASTM C 1136, Type I. 3. FSK Jacket :Aluminum-foil,fiberglass-reinforced scrim with krafircaper backing; complying with ASTM C 1136, Type II. 4. FSP Jacket: Alumind m-fail,fiberglass-reinforced seem with polyethylene backing; complying with ASTM C 1136. Type II. 5. Vinyl Jacket: W hite vinyl with a permeance of 1.3 perms when tested according to ASTM E 961E 96M, Precede re A, and complying with NFPA 90A and NFPA 90B. 1.6 FIELD -APPLIED JACKETS A. Field -applied jackets shall compy with ASTM C 921, Type I, unless otherwise indicated. B. FSK Jacket :Aluminum-foil-face,fiberglass-reinforced scrim with kraff-paper backing. 1.7 TAPES A. ASJ Tape: White vapor -retarder tape matching factory -applied jacket with acrylic adhesive, complying with ASTM C 1136. B. FSK Tape: Foil -face, vapor-retardertape matching factory -applied jacketwith acrylic adhesive; complying with ASTM C 1136, PART 2-EXECUTION 2.1 PREPARATION A. Surface Preparation: Clean and dry surfaces to receive insulation. Remove materials that will adversely affect insulation application. 2.2 GENERAL INSTALLATION REQUIREMENTS A. Install insulation materials, accessories, and finishes with smooth, straight, and even surfaces; free of voids throughout the length of duct and fittings. B. Install insulation materials, vapor barriers or retarders, jackets, and thicknesses required for each item of duct system as specified in insulation system schedules. C. Install accessories compatible with insulation materials and suitable for the service. Install accessories that do not corrode, soften, or otherwise attack Insulation orjacket in either wet or dry state. D. Install insulation with longitudinal seams at top and bottom of horizontal runs. E. Install multiple layers of insulation with longitudinal and end seams staggered. F. Keep insulation materials dry during application and finishing. G. Install insulation with tight longitudinal seams and end joints. Bond seams and joints with adhesive recommended by insulation material manufacturer. H. Install insulation with least number of joints practical. I. Apply adhesives, mastics, and sealants at manufacturers recommended coverage rate and wet and dry film thicknesses. J. Install insulation with factory -applied jackets as follows: 1. Draw jacket tight and smooth. 2. Cover circumferential joints with 3-inch-wide strips, of same material as insulation jacket. Secure steps with adhesive and outivard clinching staples along both edges of strip, spaced 4 inches o.c. 3. Overlap jacket longitudinal seams at least 1-1/2 inches. Clean and dry surface to receive self-sealing lap. Staple laps with outward clinching staples along edge at 2 inches o.c. a. For below ambient services, apply vapor -barrier mastic over staples. 4. Cover joints and seams with tape, according to insulation material manufacturer's written instructions, to maintain vapor seal. 5. Where vapor barriers are indicated, apply vapor -barrier mastic on seams and joints and at ends adjacent to duct flanges and fittings. K. Cut insulation in a manner to avoid compressing insulation more than 75 percent of its nominal thickness. L. Finish installation with systems at operating conditions. Repairjoint separations and cracking due to thermal movement. M. Repair damaged insulation facings by applying same facing material over damaged areas. Extend patches at least 4 inches beyond damaged areas. Adhere, staple, and seal patches similar to butt joints. 2.3 PENETRATIONS A. Insulation Installation at Roof Penetrations: Install insulation continuously through roof Penetrations. 1. Seal penetrations with flashing sealant. 2. For applications requiring only indoor insulation, terminate insulation above roof surface and seal with joint sealant. For applications requiring indoor and outdoor insulation, install insulation for outdoor applications tightly joined to indoor insulation ends. Seal joint with joint sealant. 3. Extend jacket of outdoor insulation outside roof flashing at least 2 inches below top of roof flashing. 4. Seal jacket to roof flashing with flashing sealant. B. Insulation Installation at Aboveground Exterior Wall Penetrations: Install insulation continuously through wall penetrations. 1. Seal penetrations with flashing sealant. 2. For applications requiring only indoor insulation, terminate insulation inside wall surface and seal with joint sealant. For applications requiring indoor and outdoor insulation, install insulation for outdoor applications tightly joined to indoor insulation ends. Seal joint with joint sealant. 3. Extend jacket of outdoor insulation outside wall flashing and overlap wall flashing at least 2 inches. 4. Seal jacket to wall flashing with flashing sealant. C. Insulation Installation at Interior Wall and Partition Penetrations (That Are Not Fire Rated): Install insulation continuously through walls and partitions. D. Insulation Installation at Fire -Rated Wall and Partition Penetrations: Terminate insulation at fire damper sleeves for fire -rated wall and partition penetrations. Externally insulate damper sleeves to match adjacent insulation and overlap duct Insulation at least 2 inches. 1. Comply with requirements in Section 078413 "Penetration Firestopping! E. Insulation Installation at Floor Penetrations: SP_NGA spin a strength • yoga A 3WFOXFIELD CONSIRUCIION LTD. o®axas oevsorv¢ n �asnao,a VIRTUAL ENERGY SOLUTIONS 6252 W 59th STREET, CHICAGO, IL 60638 312.583.7023 W W W.VESCHICAGO.COM #AA26003751 N mCD 0 U L W 0 M ~ � U CIO Q U U) r C�C C r L LO � U r ,,,,,IyT11CIIPER pxrG No OISTE;6 '. PEI]600637 •I '? STATE OF i ,¢ VIES project number: 190301 sheet title: MECHANICAL SPECIFICATIONS sheet number: M002 0 2018 Virtual Energy Solutions, Inc.