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B. Nonmetal ductwork. smaller with crimp in direction of air flow. suitable for the purpose specified and indicated. F. Roof Mounting Curb: Galvanized steel , channel frame, insulated with gaskets, ..
<br /> C. Round spiral ductwork G. Use double nuts and lock washers on threaded rod supports. 2.03 ROOF EXHAUSTERS AND VENTILATORS nailer strips. Provide roof curb of adequate height to provide a unit mounting 1W
<br /> D. Double wall insulated round ductwork. H. Connect flexible ducts to metal ducts with draw bands. A. Fan Unit: V-belt or direct driven as indicated, with spun aluminum housing; height of 12" or greater above the top of the roof surface with the curb mounted to
<br /> E. Duct cleaning. I. Support flexible duct runs every five feet in the horizontal direction to avoid resilient mounted motor; 1/2 inch mesh, 0.62 inch thick aluminum wire birdscreen; the building structure. Roof curb height must compensate for the roof insulation
<br /> 1.02 PERFORMANCE REQUIREMENTS dips and sags. square base to suit roof curb with continuous curb gaskets. thickness to meet this requirement.
<br /> A. No variation of duct configuration or sizes permitted except by written permission. J. Connect terminal units to supply ducts with one foot maximum length of flexible B. Roof Curb: 20 inch high above the finished roof surface (compensate for roof G. Vibration Isolation Curb: Only when indicated on the Drawings.
<br /> Size round ducts installed in place of rectangular ducts in accordance with ASHRAE duct. Do not use flexible duct to change direction. insulation thickness at fan location) self-flashing of galvanized steel or aluminum 2.04 BURNER
<br /> table of equivalent rectangular and round ducts, only after approval of the K. Connect diffusers to low pressure ducts directly or with 5 f eet maximum length of construction with continuously welded seams, built-in cant strips, insulation and A. Gas Burner: Induced draft or forced draft type burner with adjustable combustion
<br /> Engineer. Sizes shown on design drawings are air dimensions. Contractor may flexible duct held in place with strap or clamp. Longer duct lengths are curb bottom, and factory installed nailer strip. air supply, pressure regulator, gas valves, manual shut-off, intermittent spark or
<br /> increase duct size without engineer approval , provided all ceiling and shaft acceptable if depicted on the design drawings and allowed per local code. A C. Disconnect Switch: Factory wired, non-fusible, in housing for thermal overload glow coil ignition, flame sensing device, and automatic 100 percent shut-off
<br /> clearances can be maintained. Additional charges for increased duct size will not maximum of one 90 degree bend, or equivalent, will be allowed in flexible duct protected motor. pilot.
<br /> be accepted by the owner. runs. D. Backdraft Damper: Motor actuated (or gravity damper if depicted on design B. Gas Burner Safety Controls: Energize ignition, limit time for establishment of ©2017 STARBUCKS COFFEE COMPANY
<br /> B. Report all conflicts with structure or other obstructions, prior to fabrication of L. During construction provide temporary closures of metal or taped polyethylene on drawings), aluminum multiple blade construction, felt edged with offset hinge pin, flame, prevent opening of gas valve until pilot flame is proven, stop gas flow on
<br /> any ductwork. Suitable adjustments in the sizes of ducts shall be accommodated open ductwork to prevent construction dust from entering ductwork system. nylon bearings, blades linked, and line voltage motor drive, power open, spring ignition failure, energize blower motor, and after air flow proven and slight
<br /> without any additional expense to the Owner. M. All exposed ducts in finished areas must be completely free from all dents or return. delay, allow gas valve to open.
<br /> E. Sheaves: Cast iroC. STARBUCKS C 0 F F E E
<br /> 1.03 SUBMITTALS imperfections in the galvanized coating and shall be sealed CAREFULLY AND NEATLY n or steel , dynamically balanced, bored to fit shafts and keyed; High Limit Control: Temperature sensor with fixed stop at maximum permissible
<br /> A. Shop Drawings: Indicate duct fittings, particulars such as gages, sizes, welds, with duct sealer completely contained within the joint. Duct wrap will not be variable and adjustable pitch motor sheave selected so required rpm is obtained setting, de-energize burner on excessive bonnet temperature and energize burner
<br /> and configuration prior to start of work for all systems. No ductwork shall be permitted in exposed locations. If round duct is indicated in exposed locations, with sheaves set at mid-position; fan shaft with self-aligning pre-lubricated ball when temperature drops to lower safe value. COMPANY
<br /> fabricated until engineer approved shop drawings have been received by the it must be spiral . No exposed duct sealer, tape or longitudinal joints will be bearings. D. Supply Fan Control: Temperature sensor sensing bonnet temperatures and independent
<br /> Contractor. Identify on ductwork shop drawings any deviations in sizes or shapes accepted in exposed finished areas. Line all exposed supply air ductwork. of burner controls, with provisions for continuous fan operation. 2401 UTAH AVENUE SOUTH
<br /> made necessary by the obstructions of other trades. 3.03 CLEANING PART 3 EXECUTION 2.05 EVAPORATOR COIL SEATTLE,WASHINGTON 98134
<br /> B. Test Reports: Indicate pressure tests performed. Include date, section tested, A. Clean duct system and force air at high velocity through duct to remove accumulated A. Provide copper tube aluminum fin coil assembly with galvanized drain pan and (206)318-1575
<br /> test pressure, and leakage rate, following SMACNA (LEAK) - HVAC Air Duct Leakage dust or clean with high power vacuum machines. To obtain sufficient air, clean 3.01 INSTALLATION connection.
<br /> Test Manual . half the system at a time. Protect equipment which may be harmed by excessive dirt A. Install in accordance with manufacturer's instructions. B. Provide capillary tubes or thermostatic expansion valves for units of 6 tons
<br /> 1.04 REGULATORY REQUIREMENTS with temporary filters, or bypass during cleaning. B. Provide sheaves required for final air balance at no additional expense to the capacity and less, and thermostatic expansion valves and alternate row circuiting THESE DRAWINGS AND SPECIFICATIONS ARE
<br /> A. Construct ductwork to NEPA 90A, NEPA 906, and NEPA 96 standards. 3.04 SCHEDULES project. for units 7.5 tons coo I i ng capacity and I arger. CONFIDENTIAL AND SHALL REMAIN THE SOLE
<br /> B. Code or ut i I i ty company requirements sha I I supersede any conf I i ct i ng requirements A. Ductwork Materia l: C. Secure roof and wa I I exhausters w i th cadmium p I ated stee I I ag screws to roof curb 2.06 COMPRESSOR PROPERTY OF STARBUCKS CORPORATION,
<br /> of this Section. B. The Contractor may use any of the following ductwork materials, at his option, or structure. A. Provide hermetic or semi-hermetic compressors, 3600 rpm maximum, resiliently
<br /> 1.05 FIELD CONDITIONS provided the selected material meets with the approval of all State, local D. Extend ducts to roof and wall exhausters into roof curb or wall structure. mounted with positive lubrication, crankcase heater, high and low pressure safety WHICH IS THE OWNER OF THE COPYRIGHT IN
<br /> A. Do not install duct sealants when temperatures are less than those recommended by authorities and utility company requirements. Verification of compliance of the Counterflash duct to roof or wall opening. controls, motor overload protection, suction and discharge service valves and gage THIS WORK. THEY SHALL NOT BE
<br /> sea I ant manufacturers. se I ected p i p i ng materia I i s the so I e respons i b i I i ty of the i nsta I I i ng Contractor. E. Insta I I backdraf t dampers (gravity or motorized as depicted on design drawings) on ports, and f i I ter drier. REPRODUCED (IN WHOLE OR IN PART), SHARED
<br /> B. Maintain temperatures within acceptable range during and after installation of duct 1. Low Velocity Supply Heating Systems): Galvanized Steel , Aluminum. inlet to roof and wall exhausters. B. Five minute timed off circuit to delay compressor start. WITH THIRD PARTIES OR USED IN ANY MANNER
<br /> sealants. 2. Low Velocity Supply System with Cooling Coils): Galvanized Steel , Aluminum. F. All roofing penetrations shall be flashed and weather sealed by the roofing C. Outdoor thermostat to energize compressor above 35 degrees F ambient.
<br /> 3. Return and Re I i ef: Ga I van i zed Stee I , A I um i num. manufacturer's authorized roofing contractor at th i s Contractor's expense. Thi s 2.07 CONDENSER COIL ON OTHER PROJECTS OR EXTENSIONS TO THIS
<br /> PART 2 PRODUCTS 4. General Exhaust: Galvanized Steel , Aluminum. Contractor shall contract with the factory authorized roofing contractor for the A. Provide copper tube aluminum fin coil assembly with subcooling rows and coil guard. PROJECT WITH OUT THE PRIOR WRITTEN
<br /> 5. Outside A i r Intake: Galvanized Steel . spec i f i c roofing system app I i cab I e to th i s project. The use of an unauthorized B. Provide d i rect drive grope I I er fans, res i I i ent I y mounted w i th fan guard, motor CONSENT OF STARBUCKS CORPORATION.
<br /> 2.01 MATERIALS C. Ductwork Pressure Class: roofing contractor may resu I t i n remova I and rep I acement of the penetration systems over I oad protection, wired to operate with compressor. THESE DRAWINGS AND SPECIFICATIONS ARE
<br /> A. Galvanized Steel Ducts: Hot-dipped galvanized steel sheet, ASTM A 653/A 653M FS 1. Low Velocity Supply (Heating Systems): Scheduled System ESP+0.25", round up at this Contractor's expense. 2.08 MIXED AIR CASING INTENDED TO EXPRESS D ESIGN INTENT FOR A
<br /> Type B, with G90/Z275 coating. to next higher pressure class. A. Dampers: Provide outside, return, and relief dampers with damper operator and
<br /> B. Steel Ducts: ASTM A 1008/A 1008M, Designation CS, cold-rolled commercial steel . 2. Low Velocity Supply (Systems with Cooling): Scheduled System ESP +0.5 , END OF SECTION control package to automatically vary outside air quantity. Outside air damper to PROTOTYPICAL STARBUCKS STORE(WHICH IS
<br /> C. Aluminum Ducts: ASTM B 209 (ASTM B 209M); aluminum sheet, a I I oy 3003-H14. round up to next h i gher pressure c I ass. f a i I to c I osed position. Re I i of dampers may be gravity ba I anced. SUBJECT TO CHANGE AT ANYTIME)AND DO
<br /> A I um i num Connectors and Bar Stock: A I I oy 6061-7651 or of equ i va I ent strength. 3. Return and Re I i of: 1 i nch. B. Gaskets: Provide t i ght fitting dampers w i th edge gaskets maximum I eakage 5 percent NOT REFLECT ACTUAL SITE CONDITIONS.
<br /> D. Insu I ated F I ex i b I e Ducts: 4. General Exhaust: Schedu I ed System ESP +1.0", round up to next higher SECTION 233700 - AIR OUTLETS AND INLETS at 2 i nches pressure d i f f Brent i a I . NEITHER PARTY SHALL HAVE ANY OBLIGATION
<br /> 1. The Contractor may use any of the following ductwork materials, at his pressure class. C. Damper Operator: 24 volt with gear train sealed in oil .
<br /> option, provided the se I ected materia I meets w i th the approva I of a I I State, 5. Outside A i r Intake: 1 inch. PART 1 GENERAL D. Damper Operator, Units 7.5 Ton Coo I i ng Capacity and Larger: 24 vo I t w i th gear NOR LIABILITY TO THE OTHER(EXCEPT STATED
<br /> I oca I authorities and ut i I i ty company requirements. Verification of tra i n sea I ed i n o i I w i th spring return on. ABOVE) UNTIL A WRITTEN AGREEMENT IS
<br /> compliance of the selected ductwork material is the sole responsibility of END OF SECTION 1.01 SECTION INCLUDES E. Mixed Air Controls: Maintain selected supply air temperature and return dampers to FULLY EXECUTED BY BOTH PARTIES.
<br /> the installing Contractor. A. Rectangular ceiling diffusers. minimum position on call for heating and above 75 degrees F ambient, or when
<br /> 2. Two ply vinyl film supported by helically wound spring steel wire; fiberglass B. Spiral duct mounted diffusers. ambient air temperature exceeds return air temperature.
<br /> insulation; aluminized vapor barrier film. SECTION 233300 - AIR DUCT ACCESSORIES C. Ceiling exhaust and return registers and grilles. 2.09 INTEGRATED ECONOMIZER: ARCHITECT OF RECORD
<br /> a. Pressure Rating: 10 inches WG positive and 1.0 inches WG negative. 1.02 SUBMITTALS A. Economizer shall be furnished and installed complete with outside air and relief
<br /> b. Maximum Velocity: 4000 fpm. PART 1 GENERAL A. Product Data: Provide data for equipment required for this project. Review dampers and controls. mcg architecture
<br /> C. Temperature Range: -10 degrees F to 160 degrees F. outlets and inlets as to size, finish, and type of mounting prior to submission. B. Provide low-leakage, opposed blade dampers
<br /> d. Minimum R-Value: 4.2 or greater as required by the applicable energy 1.01 SECTION INCLUDES Submit schedule of outlets and inlets showing type, size, location, application, 1. Meet all leakage requirements of applicable energy code. 5 = > c
<br /> codes. A. Air turning devices/extractors. accessories, and noise level . C. Economizer shall be capable of introducing up to 100 outdoor air for minimum 5 ,,--, j'
<br /> 3. Black polymer film supported by helically wound spring steel wire; fiberglass B. Volume control dampers. 1.03 QUALITY ASSURANCE ventilation as well as free cooling. � a
<br /> insulation; aluminized vapor barrier film. C. Flexible duct connections. A. Test and rate air outlet and inlet performance in accordance with ASHRAE Std 70. D. Damper actuator shall be electronic, fully modulating design. U_ c)
<br /> a. Pressure Rating: 4 inches WG positive and 0.5 inches WG negative. D. Duct access doors. B. Test and rate louver performance in accordance with AMCA 500-L. E. Economizer outdoor hood shall be pre-painted and fully integrated with the unit. co III
<br /> b. Maximum Velocity: 4000 fpm. C. Code requirements shall supersede any conflicting requirements of this Section. F. Dry Bulb Control: Provide dry bulb sensor capable of measuring temperature of
<br /> Cn
<br /> C. Temperature Range: -20 degrees F to 175 degrees F. PART 2 PRODUCTS 1.04 QUALIFICATIONS outdoor air and controlling economizer cut-in point at the most economical level .
<br /> d. Minimum R-Value: 4.2 or greater as required by the applicable energy A. Manufacturer Qualifications: Company specializing in manufacturing the type of High level cutoff shall be set per applicable energy code. 15635 Alton Parkway,Suite 100, Irvine,CA 92618
<br /> codes. 2.01 AIR TURNING DEVICES/EXTRACTORS products specified in this Section, with minimum five years of documented 1. Provide economizer Fault Detection and Diagnostics (FDD). P: 949.553.1117 F:949.474.7056
<br /> 4. Multiple layers of aluminum laminate supported by helically wound spring A. Manufacturers: Krueger; Ruskin Company; Titus. experience. 2.10 WATER LEVEL MONITORING DEVICE:
<br /> steel wire; fiberglass insulation; aluminized vapor barrier film. B. Multi-blade device with blades aligned in short dimension; steel or aluminum A. A water-level monitoring device shall be installed inside the primary drain pan.
<br /> a. Pressure Rating: 10 inches WG positive and 1.0 inches negative. construction; with individually adjustable blades, mounting straps. PART 2 PRODUCTS This device shall shut off the equipment served in the event that the primary drain PROFESSIONAL STAMP of ESS S
<br /> b. Maximum Velocity: 4000 fpm. 2.02 VOLUME CONTROL DAMPERS becomes restricted. Devices installed in the drain line shall not be permitted. PR oN
<br /> C. Temperature Range: -20 degrees F to 210 degrees F. A. Manufacturers: Louvers & Dampers, Inc.; Nailor Industries Inc.; Ruskin Company; 2.01 MANUFACTURERS 2.11 I'D
<br /> ROY S q�
<br /> d. Minimum R-Value: 4.2 or greater as required by the applicable energy Pref co Inc. A. Titus; Krueger; Price Industries; Nailor Industries Inc.; Hart & Cooley; Ruskin, 2.12 OPERATING CONTROLS Q- A� CA/ <ti
<br /> codes. B. Fabricate in accordance with SMACNA HVAC Duct Construction Standards - Metal and Greenheck. A. Provide low voltage, adjustable thermostat to control heater stages in sequence �j '9� 0
<br /> 5. UL 181, Class 1, aluminum laminate and polyester film with latex adhesive Flexible, and as indicated. 2.02 RECTANGULAR CEILING DIFFUSERS with delay between stages, compressor and condenser fan, and supply fan to maintain !" 4,j m Z
<br /> supported by helically wound spring steel wire; fiberglass insulation; C. Single Blade Dampers: Fabricate for duct sizes up to 6 x 30 inch. A. Type: Square, adjustable pattern, stamped, multi-core, or architectural plaque temperature setting. 0 No M332
<br /> aluminized vapor barrier film. D. Multi-Blade Damper: Fabricate of opposed blade pattern with maximum blade sizes 8 diffuser to discharge air in 360 degree pattern with sectorizing baffles where 1. Include system selector switch (off-heat-auto-cool) and fan control switch
<br /> a. Pressure Rating: 10 inches WG positive and 1.0 inches WG negative. x 72 inch. Assemble center and edge crimped blades in prime coated or galvanized indicated. (auto-on).
<br /> b. Maximum Velocity: 4000 fpm. channel frame with suitable hardware. B. Frame: Inverted T-bar type. In plaster ceilings, provide plaster frame and 2. The Mechanical Contractor shall provide all control wiring between thermostat
<br /> C. Temperature Range: -20 degrees F to 210 degrees F. E. End Bearings: Except in round ducts 12 inches and smaller, provide end bearings. ceiling frame. (To allow lift-out removal of the diffuser without removal of the and unit control panel and any required remote sensors. s� MFCHAN�CP�. �P
<br /> d. Minimum R-Value: 4.2 or greater as required by the applicable energy On multiple blade dampers, provide oil-impregnated nylon or sintered bronze plaster frame.) 3. Locate thermostat in room as shown. qT
<br /> codes. bearings. C. Fabrication: Steel with baked enamel off-white finish. 4. Electric solid state microcomputer based room thermostat, located as F OF' C AL F 0
<br /> 6. UL 181, Class 0, interlocking spiral of aluminum foil; fiberglass insulation; F. The contractor shall provide either a mechanical or electrical cable operated D. Accessories: Opposed blade damper and multi-louvered equalizing grid with damper indicated. Provide remote sensors when indicated on the Drawings.
<br /> aluminized vapor barrier film. system wherever dampers are located in non-accessible areas. adjustable from diffuser face. a. Room thermostat shall incorporate:
<br /> a. Pressure Rating: 8 inches WG positive or negative. 1. Mechanical cable operator system shall be similar and equal to Young 2.03 SPIRAL DUCT MOUNTED DIFFUSERS 1. Automatic switching from heating to cooling. Date. 02/23/2021
<br /> b. Maximum Velocity: 5000 fpm. Regulator Company, "Bowden Cable Control" system including damper, flexible A. Type: Streamlined and individually adjustable blades, 3/4 inch minimum depth, 3/4 2. Preferential rate control to minimize overshoot and deviation
<br /> C. Temperature Range: -20 degrees F to 250 degrees F. cable with casing and concealed ceiling regulator control . inch maximum spacing with spring or other device to set blades, horizontal face, from set point.
<br /> d. Minimum R-Value: 4.2 or greater as required by the applicable energy 2. Electrically operated damper control system shall be similar and equal to double deflection. 3. Automatic Start Capabilities: Controls shall be capable of
<br /> codes. United Enertech Corporation, "Power Balance" system including motor operated B. Frame: 1-3/8 inch margin with countersunk screw mounting and gasket. automatically adjusting the daily start time of the HVAC system
<br /> E. Joint Sealers and Sealants: Non-hardening, water resistant, mildew and mold damper, RJ-11 plenum rated cabling and flush ceiling or wall mounted RJ-11 C. Fabrication: Heavy duty extruded aluminum, with factory off-white enamel finish. in order to bring each space to the desired occupied temperature
<br /> resistant. jack in remote plate. Include one hand held battery pack operator pack to be D. Damper: Air scoop damper/extractor shall be constructed of heavy duty aluminum. immediately prior to scheduled occupancy.
<br /> 1. Type: Heavy mastic or liquid used alone or with tape, suitable for joint delivered to the Owner upon completion of the balancing. The air scoop damper to be operable from the face with a screwdriver. 4. Set-up for four separate temperatures per day. 0)
<br /> configuration and compatible with substrates, and recommended by manufacturer 2.03 FLEXIBLE DUCT CONNECTIONS E. Rough Service: Provide front pivoted or welded in place blades, securely fastened 5. Instant override of set point for continuous or timed period from
<br /> for pressure class of ducts. A. Fabricate in accordance with SMACNA HVAC Duct Construction Standards - Metal and to be immobile. one hour to 31 days.
<br /> 2. VOC Content: Not more than 250 g/L, excluding water. Flexible, and as indicated. F. Mount flush to duct surface. Confirm duct diameter with the sheet metal contractor 6. Short cycle protection.
<br /> >_ 0
<br /> 3. Surface Burning Characteristics: Flame spread of zero, smoke developed of B. Flexible Duct Connections: Fabric crimped into metal edging strip. (including internal insulation, if specified). Air dimensions are shown on the 7. Programming based on weekdays, Saturday and Sunday.
<br /> zero, when tested in accordance with ASTM E 84. 1. Fabric: UL listed fire-retardant neoprene coated woven glass fiber fabric to design drawings. 8. Switch selection features including imperial or metric display, 3:
<br /> 0.
<br /> 4. For Use With Flexible Ducts: UL labeled. NEPA 90A, minimum density 30 oz per sq yd. 2.04 CEILING EXHAUST AND RETURN REGISTERS/GRILLES 12 or 24 hour clock, keyboard disable, remote sensor, fan
<br /> 5. Ductwork Exposed to the Weather: Hard cast VersaGrip 102, (VG-102), UL a. Net Fabric Width: Approximately 2 inches wide. A. Type: Streamlined blades, 3/4 inch minimum depth, 3/4 inch maximum spacing, with on-auto. w
<br /> 181-AM compliant duct joint sealer, as manufactured by Carlisle, with 2. Metal: 3 inches wide, 24 gage thick galvanized steel . blades set at 45 degrees, horizontal face. b. Room thermostat display shall include: ♦�, N
<br /> fiberglass scrim tape reinforcement on all seams and joints, lateral and 2.04 DUCT ACCESS DOORS B. Frame: 1-1/4 inch margin with countersunk screw mounting. 1. Time of day. V
<br /> longitudinal . A. Manufacturers: Acudor Products Inc.; Nailor Industries Inc.; Ruskin Company; SEMCO C. Fabrication: Steel with 20 gage minimum frames and 22 gage minimum blades, steel 2. Actual room temperature. 06 Q N
<br /> F. Hanger Rod: ASTM A 36/A 36M; steel; threaded both ends, threaded one end, or Incorporated. and aluminum with 20 gage minimum frame, or aluminum extrusions, with factory 3. Programmed temperature. N
<br /> continuously threaded. B. Fabricate in accordance with SMACNA HVAC Duct Construction Standards - Metal and off-white enamel finish. 4. Day of week. �- L}
<br /> 2.02 DUCTWORK FABRICATION Flexible, and as indicated. D. Damper (if specified on drawings): Integral , gang-operated, opposed blade type 5. UJ z 0)
<br /> A. Fabricate, support and seal in accordance with SMACNA HVAC Duct Construction C. Fabrication: Rigid and close-fitting of galvanized steel with sealing gaskets and with removable key operator, operable from face where not individually connected to fan on. O
<br /> Standards - Metal and Flexible, and as indicated. Provide duct material , gages, quick fastening locking devices. For insulated ducts, install minimum 1 inch thick exhaust fans. 6. Stage (heating or cooling) operation. U) Q
<br /> reinforcing, and sealing for operating pressures indicated. insulation with sheet metal cover. E. Rough Service: Provide front pivoted or welded in place blades, securely fastened W 0/ ()1
<br /> B. Construct T's, bends, and elbows with radius of not less than 1-1/2 times width of 1. Less Than 12 inches Square: Secure with sash locks. to be immobile. PART 3 EXECUTION W2 � J
<br /> duct on centerline. Where not possible and where rectangular elbows must be used, 2. Up to 18 inches Square: Provide two hinges and two sash locks. 2 0 LL
<br /> provide turning vanes. Where acoustical lining is indicated, provide turning vanes D. Access doors with sheet metal screw fasteners are not acceptable. PART 3 EXECUTION 3.01 INSTALLATION Q Q CD Q
<br /> of perforated metal with glass fiber insulation. A. Install in accordance with manufacturer's instructions and NEPA 90A. Z
<br /> C. Increase duct sizes gradually, not exceeding 15 degrees divergence wherever PART 3 EXECUTION 3.01 INSTALLATION B. Mount units on factory built roof mounting curb providing watertight enclosure to �-_ � M 0
<br /> possible; maximum 30 degrees divergence upstream of equipment and 45 degrees A. Install in accordance with manufacturer's instructions. protect ductwork and utility services. Install roof mounting curb level . Install C) = C) 0
<br /> convergence downstream. 3.01 INSTALLATION B. Check location of outlets and inlets and make necessary adjustments in position to roof mounting curb so that it bears on the building structure, not on top of the W W M
<br /> 9
<br /> D. Fabricate continuously welded round and oval duct fittings two gages heavier than A. Install accessories in accordance with manufacturer's instructions, NFPA 90A, and conform with architectural features, symmetry, and lighting arrangement. roof deck or roofing materials. Provide restraints where required by local codes. __3 __3
<br /> duct gages indicated in SMACNA Standard. Joints shall be minimum 4 inch cemented follow SMACNA HVAC Duct Construction Standards - Metal and Flexible. Duct C. Install diffusers to ductwork with air tight connection. C. Provide cooling condensate drain piping (and overflow piping if required) to 00 CO
<br /> slip joint, brazed or electric welded. Prime coat welded joints. construction and pressure class. Provide balancing dampers on duct take-off to diffusers, and grilles and registers, approved location. Condensate piping shall be Schedule 40 galvanized steel pipe, � � 13f0 O
<br /> D.
<br /> E. Provide standard 45 degree lateral Wye takeoffs unless otherwise indicated where 90 B. Provide duct access doors for inspection and cleaning before and after filters, despite whether dampers are specified as part of the diffuser, or grille and Type L copper tube, or PVC. Contractor shall verify the selected material meets a w 0- T- 2
<br /> degree conical tee connections may be used. coils, fans, automatic dampers, at fire dampers, combination fire and smoke register assembly. with the approval of all State, local authorities and utility company requirements.
<br /> F. Where ducts are connected to exterior wall louvers and duct outlet is smaller than dampers, and elsewhere as indicated. Provide minimum 8 x 8 inch size for hand E. Paint ductwork visible behind air outlets and inlets matte black. Verification of compliance of the selected piping material is the sole
<br /> louver frame, provide blank-out panels sealing louver area around duct. Use same access, 18 x 18 inch size for shoulder access, and as indicated. Provide 4 x 4 responsibility of the installing Contractor. STORE #: 65246
<br /> material as duct, painted black on exterior side; seal to louver frame and duct. inch for balancing dampers only. Review locations prior to fabrication. END OF SECTION 1. Condensate piping located within the building shall be insulated with 1/2
<br /> 2.03 DUCT MANUFACTURERS C. Locate all dampers and control elements in accessible areas wherever possible to inch thick glass fiber or flexible elastomeric cellular foam insulation. PROJECT#: 88584-00
<br /> A. Metal-Fab, Inc.; SEMCO Incorporated; United McGill Corporation. avoid access doors. Provide ceiling access doors for access to all dampers and Only metallic piping systems will be allowed in return air plenum ceiling
<br /> 2.04 MANUFACTURED METAL DUCTWORK AND FITTINGS control elements located above inaccessible ceiling areas. Provide minimum 12 x 12 SECTION 237413 - PACKAGED OUTDOOR ROOF TOP UNITS - GAS FIRED (EXISTING) space. PROFILE TYPE: CORE
<br /> A. Manufacture in accordance with SMACNA HVAC Duct Construction Standards - Metal and inch size for hand access, 18 x 18 inch size for shoulder access, and as indicated.
<br /> Flexible, and as indicated. Provide duct material , gages, reinforcing, and sealing Provide 4 x 4 inch for balancing dampers only. Review locations prior to PART 1 GENERAL END OF SECTION ISSUE DATE:
<br /> for operating pressures i nd i Gated. f abr i cat i on. PROGRAM MANAGER:
<br /> B. Round Spiral Ducts: Machine made from round spiral lockseam duct with light D. Provide balancing dampers at points on supply, return, and exhaust systems where 1.01 SECTION INCLUDES
<br /> reinforcing corrugations; fittings manufactured of at least two gages heavier metal branches are taken from larger ducts as required for air balancing. Install A. Packaged roof top units. STORE DESIGNER: J. RAMOS
<br /> than duct. minimum 2 duct widths from duct take-off. B. Thermostat controls. LE E DO AP: N/A
<br /> C. Double Wall Insulated Round Ducts: Round spiral lockseam duct with galvanized E. Provide balancing dampers on duct take-off to diffusers, grilles, and registers, C. Roof mounting curb and base.
<br /> steel outer wall , 1 inch thick fiberglass insulation, perforated galvanized steel regardless of whether dampers are specified as part of the diffuser, grille, or D. Economizer. CHECKED BY: G RS
<br /> inner wall; fitting with solid inner wall . register assembly. Do not locate dampers closer than 5 feet or 10 duct diameters
<br /> D. Transverse Duct Connection System: SMACNA "E" rated rigidly class connection, from the air terminal device, whichever is greater. PART 2 PRODUCTS MCG PROJECT#: 20009
<br /> interlocking angle and duct edge connection system with sealant, gasket, cleats, F. At fans and motorized equipment associated with ducts, provide flexible duct
<br /> and corner c I i ps. connections i mmed i ate I y adjacent to the equipment. 2.01 MANUFACTURERS MCG PROD. MANAGER: C.LEE
<br /> G. At equipment supported by v i brat i on i so I ators, provide f I ex i b I e duct connections A. Carrier Corporat ion; Trane Inc.; Lennox Industries; York; AAON Incorporated. MCG PROD. SPECIALIST: S. PARK
<br /> PART 3 EXECUTION immediately adjacent to the equipment 2.02 AIR CONDITIONING UNITS
<br /> A. General: Roof mounted units having gas burner and electric refrigeration.
<br /> 3.01 EXAMINATION END OF SECTION B. Description: Self-contained, packaged, factory assembled and prewired, consisting Revision Schedule
<br /> A. Examine drawings for the Architectural , Structural , Electrical and all other trades of cabinet and frame, supply fan, heat exchanger and burner, controls, air filters,
<br /> prior to preparation of ductwork shop drawings and prior to the fabrication of any refrigerant cooling coil and compressor, dry bulb economizer and power exhaust fan
<br /> ductwork. SECTION 233423 - HVAC POWER VENTILATORS where indicated on the Drawings, condenser coil and condenser fan. Rev Date By Description
<br /> B. Resolve any conflicts encountered with the Engineer prior to fabrication. C. Electrical Characteristics: As scheduled on the Drawings.
<br /> C. Identify on ductwork shop drawings any deviations in sizes or shapes made necessary PART 1 GENERAL D. Disconnect Switch: Factory mount disconnect switch on equipment.
<br /> by the obstructions of other trades. 2.03 FABRICATION
<br /> 3.02 INSTALLATION 1.01 SECTION INCLUDES A. Cabinet: Steel with baked enamel finish, including access panels with screwdriver
<br /> A. Install in accordance with manufacturer's instructions. A. Roof exhausters. operated flush cam type fasteners or doors with piano hinges with locking handles.
<br /> B. Duct sizes indicated are inside clear dimensions. For lined ducts, maintain sizes Structural members shall be minimum 18 gage, with access doors or panels of minimum
<br /> inside lining. PART 2 PRODUCTS 20 gage.
<br /> C. Install and seal metal and flexible ducts in accordance with SMACNA HVAC Duct B. Insulation: one inch thick neoprene coated glass fiber with edges protected from =
<br /> Construction Standards - Metal and Flexible. 2.01 MANUFACTURERS erosion. SHEET TITLE:
<br /> D. Provide openings in ductwork where required to accommodate thermometers and A. Greenheck; Loren Cook Company; PennBarry; CaptiveAire. C. Heat Exchangers: Aluminized steel or stainless steel where indicated on the -
<br /> controllers. Provide pilot tube openings where required for testing of systems, 2.02 POWER VENTILATORS - GENERAL Drawings, of welded construction.
<br /> complete with metal can with spring device or screw to ensure against air leakage. A. Performance Ratings: Determined in accordance with AMCA 210 and bearing the AMCA D. Supply Fan: Forward curved centrifugal type, resiliently mounted with V-belt __
<br /> Where openings are provided in insulated ductwork, install insulation material Certified Rating Seal . drive, adjustable variable pitch motor pulley, and rubber isolated hinge mounted HVAC SPECIFICATIONS
<br /> inside a metal ring. B. Sound Ratings: AM CA 301, tested to AMCA 300, and bearing AMCA Certified Sound motor or direct drive as indicated. Isolate complete fan assembly.
<br /> E. Locate ducts with sufficient space around equipment to allow normal operating and Rating Seal . 1. Fans for units with a mechanical cooling capacity greater than or equal to
<br /> C. Fabrication: ConSCALE:AS SHOWN
<br /> maintenance activities. form to AMCA 99. 65,000 Btu/h shall have not fewer than two stages of fan control . Schnackel
<br /> F. Use crimp joints with or without bead for joining round duct sizes 8 inch and D. UL Compliance: UL listed and labeleddesignedmanufacturedand tested as E. Air Filters: 2 inch thick disposable media in metal frames.
<br /> SHEET NUMBER:
<br /> engineers,
<br /> ,, M-0003
<br /> 8E JOBM 200472
<br />
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