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HomeMy WebLinkAboutM801A.1B.pdfDIVISION 21 - FIRE SUPPRESSION SECTION 211000 FIRE PROTECTION A. The fire sprinkler contractor shall serve as the engineer of record for all work performed under this division. Submit complete fire sprinkler system shop drawings and hydraulic calculations, generated by contractor. Shop drawings shall be a minimum 1/8" scale, show device and appliance locations, building background information, room occupancy descriptions, door swings, fire ratings and fire protection system layout and details. Shop drawings and hydraulic calculations shall be sealed by a professional engineer registered in the State of Colorado. Submit shop drawings and hydraulic calculations to the Building Inspections Division and Fire Prevention Bureau first, as applicable and obtain their approval before submission to the architect. B. Show the connecting main and branch pipe sizes for all relocated existing sprinkler heads. C. Conform to light hazard occupancy requirements of NFPA 13, using quick response heads throughout. D. Provide flow test indicating static and residual pressured developed under fire flow conditions if required by the Authority Having Jurisdiction. E. Extend the existing sprinkler system, relocate existing and add new sprinkler heads in accordance with NFPA 13, all applicable codes and ordinances and project requirements to complete the new work. F. System shall be installed complete and operational, including water flow indicator, connections to existing alarm, drain piping, identification signs, etc. G. Work shall be performed by a qualified fire sprinkler installer with a minimum of (5) five years experience in similar installations. H. Coordinate all work with all other trades. I. Supply owner an extra stock of (6) six sprinkler heads, (3) three of each type, and a sprinkler wrench. Sprinkler heads shall match existing in adjacent areas. END OF SECTION DIVISION 22 - PLUMBING SECTION 221110 PLUMBING SYSTEMS J. All work shall be in accordance with the 2015 International Plumbing Code and Local Codes. K. Plaster traps, cleanouts, floor and roof drains, etc., shall be provided where need exists and as shown. L. Backflow preventers and water hammer arrestors shall be provided where required by code and shown. M. All domestic water lines shall be sterilized before being placed in service. The contractor shall write a letter, stating that the building has been successfully chlorinated, and that the water is fit for human consumption. N. Chlorination procedures shall comply with local code and health department regulations. O. The Contractor shall write a letter, stating that the building has been successfully chlorinated, and that the water is fit for human consumption. END OF SECTION SECTION 224000 PLUMBING FIXTURES AND TRIM A. All equipment, fixtures and trim shall be commercial grade as manufactured by Just, Elkay, American Standard, Crane, Kohler, Bradley, T&S, Chicago Faucet, Church, and Bemis. B. Refer to Fixture Schedule shown on drawings for fixture brand, model, trim and accessories. C. Install plumbing fixtures level and plumb, in accordance with fixture manufacturer's written instructions, roughin drawings, and pertinent codes and regulations, the original design, and the referenced standards. D. Install a stop valve in an accessible location on the water connection to each fixture. E. Install escutcheons at each wall, floor, and ceiling penetration in exposed finished locations and within cabinets and millwork. F. Seal fixtures to walls and floors using silicone sealant. Match sealant color to fixture color. G. Where possible, fixtures shall be product of one manufacturer. Where possible, fittings shall be product of one manufacturer. END OF SECTION ' SECTION 226000 MEDICAL GAS SYSTEMS 1.1 DESCRIPTION OF WORK: A. Extent of medical gas systems work, is indicated on drawings and schedules, and by requirements of this section. B. Types of medical gases required for project include the following: 1. Oxygen 2. Medical air 3. Vacuum; EVAC 1.2 QUALITY ASSURANCE: A. Manufacturer's Qualifications: Firms regularly engaged in manufacture of medical gas systems equipment and products, of types, materials, and sizes required, whose products have been in satisfactory use in similar service for not less than 5 years. B. Installer Qualifications: Firm with at least 3 years of successful installation experience on projects with medical gas systems work similar to that required for project. 1. Individual installers shall be qualified in accordance with ASME Boiler and Pressure Vessel Code, Section IX as modified by NFPA 99. 2. On site supervisors shall have completed a 32 hour training course on the installation of medical gas systems in accordance with ANSI requirements. C. Codes and Standards: 1. NFPA Compliance: Install and test medical gas systems in accordance with the latest version of NFPA 99. 2. ASME Compliance: Provide medical gas pressure vessels and relief valves in accordance with ASME "Boiler and Pressure Vessel Code"; provide ASME Code Symbol Stamp. 3. ASME Compliance: Fabricate and install medical gas systems in accordance with ASME B31.9 "Building Service Piping". 4. UL Compliance: Provide electrical components which are ULlisted and have UL label affixed. 5. All equipment supplied under this section shall be compatible with existing secondary equipment, if any. 6. Medical compressed air shall be oil free air complying, as a minimum with Grade D in Compressed Gas Association, Inc., pamphlet G-7.1, commodity specification for air, and having a maximum dew point of -20 o F. (-28.9oC.). 1.3 SUBMITTALS: A. Product Data: Submit manufacturer's technical product data and installation instructions for medical gas systems materials and products. B. Shop Drawings: Submit scaled layout drawings of medical gas systems pipe and fittings including, but not necessarily limited to, pipe and tube sizes, locations, elevations and slopes of horizontal runs, wall and floor penetrations, equipment connections, and gas outlets. Indicate interface and spatial relationship between piping and proximate equipment. C. Record Drawings: At project closeout, submit record drawings of installed systems products; in accordance with requirements of Division 23. D. Wiring Diagrams: Submit manufacturer's electrical requirements for power supply wiring to units. Submit manufacturer's laddertype wiring diagrams for interlock and control wiring. Clearly differentiate between portions of wiring that are factoryinstalled and portions to be fieldinstalled. E. Maintenance Data: Submit maintenance data and parts lists for medical gas systems materials and products. Include this data, product data, shop drawings, record drawings, and wiring diagrams in maintenance manual; in accordance with requirements of Division 23. F. Installer Qualifications: Submit installer qualifications, including brazing certifications and medical gas training documentation. 1.4 DELIVERY, STORAGE, AND HANDLING: A. Deliver medical gas equipment, including air compressors, vacuum pumps, and gas storage units with factoryinstalled shipping skids; accessories packaged in factoryfabricated fiberboard containers; and pipe/tube with plastic endcap protectors to prevent pipeend damage and to eliminate dirt and moisture from entering interior of pipe/tube. B. Handle medical gas piping and equipment carefully to avoid damage to components, enclosures and finishes. Do not install damaged equipment; replace and return damaged units to equipment manufacturer. C. Store medical gas piping and equipment indoors and protect from weather and construction traffic. 1.5 ACCEPTABLE MANUFACTURERS: A. Manufacturer: Subject to compliance with requirements, provide medical gas systems products by one of the following: 1. Medical Gas Systems: a. Chemetron Medical Div.; Allied Healthcare Products, Inc. b. Wilkerson 1.6 MATERIALS AND PRODUCTS: A. General: Provide piping materials and factoryfabricated piping products of sizes, types, pressure ratings, temperature ratings, and capacities as indicated. 1.7 BASIC IDENTIFICATION: A. General: Provide identification complying with Division 230553 section "Mechanical Identification", and NFPA 99. 1.8 BASIC PIPES AND PIPE FITTINGS: A. Medical Gas Piping: All above and below grade pipe for oxygen, nitrous oxide, nitrogen, vacuum and medical compressed air shall be minimum 1/2" Type K or L copper tubing (ASTM B819), hard drawn, seamless copper tubing, except that "pigtails" of not less than 3/8" OD for positive pressure gasses, 1/2" OD for vacuum, soft annealed tubing, not exceeding 8", may be used at outlets. Pipe shall be factory prewashed, oxygen clean grade, capped and labeled by pipe supplier and delivered sealed to the job site. B. All fittings used for connecting copper tubing shall be wrought copper brazing fittings complying with MSS SP-73, suitable for brazed connections and especially prepared by the manufacturer for oxygen service. C. All joints in the piping shall be made with copper-phosphorus-silver brazing alloy with 15 % silver content, BcuP-5, melting range 1190-1480deg F. 1.9 BASIC PIPING SPECIALTIES: A. General: Provide piping specialties complying with Division 23 Section 230518 "Piping Specialties." 1.10 BASIC SUPPORTS AND ANCHORS: A. General: Provide supports and anchors, complying with Division 23, Section 230529 "Supports and Anchors", in accordance with the following listing: 1. Extension split pipe clamp, copper plated, hinged or 2 bolt for pipe support from any substrate. 1.11 IN-LINE SHUTOFF VALVES: A. Shutoff Valves: Provide medical gas shutoff valves, bronzebody, double seal, full flow, union ball type, with seat seals and stem seals. Design so quarter turn of levertype valves handle is maximum travel between open and closed positions. Design for working pressure of 300 psi minimum. Provide valves with colorcoded gas identification labels. B. In line shutoff valves intended for use to isolate existing systems for piping maintenance or to extend to new piping systems are permitted. These valves shall be located in a secure area and locked open and labeled in accordance with NFPA 99 as follows: Caution - (name of medical gas) Valve Do Not Close Except in Emergency This Valve Controls Supply to (area served) 1.12 INSPECTION: A. Examine areas and conditions under which medical gas systems and equipment are to be installed. Do not proceed with work until unsatisfactory conditions have been corrected in manner acceptable to Installer. 1.13 INSTALLATION OF BASIC IDENTIFICATION: A. Install medical gas piping signs on piping in accordance with NFPA 99 requirements. 1.14 INSTALLATION OF MEDICAL GAS PIPING: A. The Contractor shall furnish all labor, materials, equipment and services necessary to install a complete distribution system for oxygen, nitrous oxide, nitrogen, medical compressed air and vacuum and to perform all required "progresses" and final tests. B. The entire medical gas system, or major sections of large systems, shall be completely installed and pressure tested prior to concealing within walls, ceiling or chases. C. The Contractor shall be responsible for furnishing and installing all material and equipment listed in this specification and shown on the construction drawings, including piping, pipe fittings, pipe connectors and all related accessories. D. The Contractor shall be responsible for final testing of all special piping systems as required by this specification and those required to comply with all local and state health and hospital codes and ordinances. E. Medical gas materials and tools shall be kept separate from all other materials and tools. F. Piping shall not be cleaned in the field, except where pipe ends have become contaminated. If required, wash in hot solution of sodium carbonate or trisodium phosphate mixed in proportion of 1-lb. to 3 gal. of water. THE USE OF ORGANIC SOLVENTS, FOR EXAMPLE, CARBON TETRACHLORIDE, IS PROHIBITED G. Scrubbing shall be employed where necessary to ensure complete cleaning. After washing, the material shall be rinsed thoroughly in clean hot water. After cleaning, particular care shall be exercised in the storage and handling of all pipe and fittings. Pipe and fittings shall be temporarily capped or plugged to prevent recontamination before final assembly. Tools used in cutting or reaming shall be kept free from oil and grease. Where such contamination has occurred, the items affected shall be rewashed and rinsed. Do not use steel wool to mechanically clean fittings or tubing. Wipe joints with a clean white cloth prior to joining piping. During brazing of medical gas systems the piping shall be continuously purged with dry nitrogen to avoid oxidation of the inside of the tubing. Braze piping within one hour of being mechanically cleaned. H. Braze piping joints and connections unless otherwise indicated. Do not use flux. I. Protect buried gas piping against freezing and corrosion with underground piping insulation and corrosionprotective coating. J. After installation of piping, but prior to installation of outlet valves, blow lines clear with Grade "D" oilfree dry air or nitrogen. K. Oxygen pipelines installed in combustible partitions shall be protected against physical damage by installation within pipe or conduit. Openings for pipelines installed in concealed spaces shall be fire-stopped with construction having a fire resistance equal to or greater than the original construction. L. Oxygen supply line may be run in chases with other service piping, but the oxygen lines must be so located as to avoid contact with steam or hot water lines. M. Medical gas piping systems shall not be used as a grounding electrode. 1.15 INSTALLATION OF SUPPORTS AND ANCHORS: A. Install supports and anchors, in accordance with Division 15, Section 15140, "Supports and Anchors". 1.16 INSTALLATION OF VALVES: A. Shutoff Valves: Provide shutoff valves where indicated, and in accordance with NFPA 99. B. Valve Boxes: Where indicated, provide valve boxes with frangible or removable windows, large enough to permit manual operation of valves, and labeled in accordance with NFPA 99. C. Main Shutoff Valves: Where indicated, provide shutoff valve on each main supply line, locate to be accessible in emergency (not requiring step ladder or removal of ceiling tile). 1.17 FIELD QUALITY CONTROL: A. Test medical gas piping, including pressure, cross connection, and final testing in accordance with NFPA 99. Indicate in writing to Owner that required tests have been successfully conducted and permanent records of tests maintained. B. Test medical gas alarms for proper operation at high pressure, low pressure, and gas supply status. 1.18 MEDICAL GAS SYSTEMS CERTIFICATION: A. General: Evaluate and certify medical gas systems, including source equipment, valving, alarms, and station outlets, for mechanical and therapeutic function. 1. Provide certification by Agency independent of facility, system Installer, Contractor, and Suppliers. 2. Mechanical and Therapeutic Function: As defined in NFPA 99 and CGA P2.1. B. Provide full documentation of the following: 1. That medical gas systems as constructed, follow guidelines of NFPA 99, regarding placement and applicability of valves, alarms, and source equipment. 2. That no cross connections exist in pipeline as constructed. 3. Include in documentation, examination of outflow of each station outlet, following mechanical cross connection procedure as specified by NFPA 99, Additionally, examine each system outflow with appropriate analyzer and document concentrations. Include Medical Gas and Vacuum systems in mechanical examination. 4. Where laboratory systems are treated as separate systems, perform cross connection tests to document their separation from medical systems as required by NFPA 99. 5. That station outlets are delivering gas at pressure and flow consistent with needs indicated, but in no case to be below CGA or NFPA guidelines. 6. That pipeline is free of debris, including liquid. 7. That station outlets are functional. 8. That delivered gas is as pure as required by applicable CGA specifications for breathing gas. Take samples from such station outlets as agreed by facility and agency. In no case shall number of samplings be fewer than two, one from source and one from such station outlets as will provide gas has traversed greatest length of pipeline. Evaluate samples against CGA requirements for human use and compare to one another. 9. That reserve source equipment and it's control equipment is in place and is operational. 10. That valves are functional. Document control zones without regard to plans. Compare this documentation to asbuilt plans, and report discrepancies between actual installation and plans to facility. 11. That alarms are functioning and are set in accordance with NFPA 99. Document and compare surveillance areas of each to record drawings, and report discrepancies between actual installation and drawings to Architect/Engineer. 12. That medical air is dry. Examination shall consist of dewpoint taken at source and most distant station outlet of each lateral branch. Document temperatures and pressures affecting dryness. 1.19 TESTS FOR MEDICAL GAS PIPING: A. Pressure test in strict accordance with NFPA 99 will be required. Specific attention is directed to absolute prohibition of the use of oil pumped compressed air or oil pumped nitrogen and the prohibition of the use of hydrostatic test. Testing medium shall be WATER PUMPED COMPRESSED AIR or VAPOR PUMPED NITROGEN. Cylinder shall be so labeled. B. A 24hour standing pressure test with oil free (water pumped) nitrogen or air at one and a half times maximum working pressure, but in no case less than 150 psi., shall be made prior to "trimming" medical gas outlet station valves to check the completeness of previous joint tests. After trimming out the medical gas outlet stations, the system shall be tested for 24 hours at 20 percent above working pressure. After completion of the final standing pressure test, the system shall be thoroughly flushed with the gas to be used in the system to assure the removal of all nitrogen or air. C. After completion of final testing and flushing of the piping system, the medical gas system shall be tested in accordance with NFPA 99 by the medical gas equipment supplier, in the presence of an authorized representative of the Owner. The medical gas equipment supplier shall furnish written certification to the Owner that the system has been so tested and is free of crossedconnections. Cost of gases required for testing shall be borne by the Mechanical Contractor. Further, the cost of subsequent tests required to recheck initial errors shall be the responsibility of this contractor. D. When all medical gas piping systems have been tested as specified above, the source of test gas shall be disconnected and the proper gas source of supply connect as specified above, the source of test gas shall be disconnected and the proper gas source of supply connected to each respective system. Following this connection and pressurization, all outlets shall be opened in a progressive order, starting nearest the source and completing the process of purge flushing at the outlet farthest from the source. Gas shall be permitted to flow from each outlet until each system is purged of test gas used during previous tests. END OF SECTION DIVISION 23 - HEATING, VENTILATING AND AIR CONDITIONING SECTION 230500 GENERAL PROVISIONS A. All work shall be in accordance with the 2015 International Mechanical Code and Local Codes. B. Equipment schedules establish a quality and design standard. Substitutions must be equivalent in performance, material, space, and configuration requirements. The project engineer or architect's decision will be final and may be based on both certified test data and subjective reasoning. C. Examine the bidding documents carefully, not later than seven days prior to the date of receipt of bids. Written request for interpretations or corrections of any perceived discrepancies, ambiguities, inconsistencies, or errors discovered shall be submitted to the architect. Any interpretation or correction will be issued as an addendum by the architect. Only a written interpretation or correction by addendum shall be binding. No bidder shall rely upon interpretations or corrections given by any other method. If discrepancies, ambiguities, inconsistencies, or errors are not covered by addendum or written directive, include in the bid labor, materials, and methods of construction resulting in higher cost. After award of contract, no allowance or extra compensation will be made due to failure of making the written requests as described above. D. Be responsible for its prompt delivery of request. Failure to so request clarification of any inadequacy, omission, or conflict will not relieve responsibility of doing so. The signing of the contract will be considered as implicitly denoting a through comprehension of the full intent and scope of the working drawings and specifications. Signing of the contract indicates agreement to all of the conditions in this specification. E. Drawings are diagrammatic in character and do not necessarily indicate every required offset, valve, fitting, etc. F. Do not scale drawings. Verify dimensions in field prior to commencement of work. Refer to architectural drawings for all dimensions. G. Drawings and specifications are complementary. Whatever is called for in either is binding as though called for in both. H. Before any work is installed, determine that equipment will properly fit the space; that required piping grades can be maintained and that ductwork can be run as contemplated without interferences between systems, with structural elements or with the work of other trades. I. Coordinate the installation of mechanical materials and equipment with all trades. J. Coordinate the cutting and patching of building components to accommodate the installation of mechanical equipment and materials. K. Install mechanical equipment to facilitate maintenance and repair or replacement of equipment components. As much as practical, connect equipment for ease of disconnecting, with minimum of interference with other installations. L. Contractor shall be responsible for all fees and permits. M. The manufacturer's material or equipment listed in the schedule or identified by name on the drawings are the types to be provided for the establishment of size, capacity, grade and quality. If alternates are used in lieu of the scheduled names, the cost of any changes in construction required by their use shall be borne by contractor. N. Before starting work, prepare and submit to the architect/engineer shop drawings and descriptive data for all mechanical equipment and materials required for the project. Submittals are not required where the exact manufacturer and model number specified on the drawings is being provided. O. Contractor shall keep a complete set of red-lined record document prints in custody during entire period of construction at the construction site. One (1) set of record documents shall be provided to the engineer indicating final project conditions after completion of work. P. Contractor Shall Prepare Two (2) Sets Of Maintenance Manuals And Shall Instruct Owner On Operation Of Systems. Maintenance Manuals Shall Include All Mechanical Warranties. END OF SECTION SECTION 230510 PIPE AND FITTINGS Q. Domestic water above grade inside shall be hard drawn copper tubing, ASTM B88, TypeL, with 95/5 tin/antimony soldered joints R. Waste piping inside of building shall be cast iron soil pipe, CISPI Standard 301, Service Weight, Hubless. Outside below grade shall be cast iron soil pipe, ASTM A74, Extra-Heavy Weight, Hub and Spigot. S. All piping shall be tested for leakage. The test shall be accomplished by hand pumping the system to the specified water pressure, and maintaining that pressure until the entire system has been inspected for leaks, but in no case for a time period of less than four hours. T. Domestic water systems: 100 psig test pressure. U. Waste, drain and vent systems: water test with minimum 10 foot head. END OF SECTION SECTION 230523 VALVES A. All mechanical components shall be provided with valves and unions for services and removal. B. All valves shall be full-port ball valves, comply with MSS SP-92, MSS Valve User Guide. C. Ball valves 2" and smaller: ANSI B16.34, Class 150 WSP, 600 WOG, rated for 150 psi at 350°F. Two piece end entry body style, bronze body conforming to ASTM B584, single full port, stainless steel ball and stem of ASTM A276 Type 316, 15% glass reinforced PTFE seats, PTFE packing and blow out proof stem, vinyl coated steel handle. D. Manufacturers: Conbraco (Apollo), Crane, Stockham, Nibco. END OF SECTION SECTION 230529 SUPPORTS, ANCHORS AND SEALS A. All pipe hangers shall be in accordance with MSS-69, adjustable clevis (MSS Type 1), adjustable swivel ring (MSS Type 7), or trapeze supports with threaded rod. B. All duct hangers shall be sheet metal strap or angle iron. C. All floor-mounted equipment shall be installed on concrete housekeeping bases. D. All roof-mounted equipment shall be installed on curb or base. END OF SECTION SECTION 230553 IDENTIFICATION A. All mechanical equipment, piping, etc., shall be labeled, comply with ANSI A13.1. B. All pipe and equipment labels and tags located in air plenums shall be noncombustible or shall be listed and labeled as having a flame spread index of not more than 25 and a smoke-developed index of not more than 50 when tested in accordance with ASTM E84, UL 723 and NFPA 90a. C. Provide adhesive backed or pre-curled snap-on labels with flow arrows for all piping. Provide engraved plastic laminate tag for all major equipment (fans, terminal units, etc.). D. Manufacturers: Allen Systems, Brady Co., Seton. E. Locate pipe labels every 25-feet, except where concealed above non-accessible ceilings or in non-accessible shafts. Locate labels so all piping within view of an access door can be identified. END OF SECTION SECTION 230593 TESTING AND BALANCING A. Submit a written balance report by a NEBB Or AABC Certified Balancing Contractor. Balancing procedure shall be in accordance with NEBB Or AABC Guidelines for proportional balance. Submit report on standard NEBB forms. All equipment provided for the medical office building under the core and shell phase, as well as the heating water pump supplied as part of the hospital project, shall be tested, adjusted, and balanced under this contract. B. Measurements shall include all motor amperage and voltage readings; motor and fan RPM; static pressure at inlet and outlet of all packaged equipment, fans, coils, and filters; pitot tube measurement of supply, exhaust, return, and outside air main ducts, at minimum outside air, and 100% (economizer) outside air; velocity distribution across the face of filters; air inlet and outlets; water flow at all flow measurement stations; inlet and outlet pressure at pumps with flow calculated from the pump curve; water flow, temperature drop, and pressure drop at all coils. C. Provide belts and sheaves as required for drive changes to adjust fan speed. D. Adjust flows to within 10% of required quantity. Where room air pressure relationships are required to be maintained as shown by a differential of supply and exhaust/return or by note, adjust supply to within 10% and then adjust exhaust/return to provide the indicated room pressure. If actual quantity is less than 90%, investigate cause, attempt to rectify and notify engineer. Submittal of balance report with less than required flows without explanation is cause for rejection of report. E. Submit three (3) copies of all submittals in addition to any required by the contractor and his suppliers. These copies shall be retained by the owner, architect and engineer. END OF SECTION SECTION 230700 INSULATION A. Material shall be fiberglass ASTM C547, Class 1, with all-service jacket ASTM C921 or closed cell polymer, ASTM C534."K" factor shall be maximum 0.27 at 75°F and have ratings of 25 or less flame spread and 50 or less smoke development. B. The following shall be insulated: 1) Domestic Cold Water Piping - 1-1/2" thick, all sizes. 2) Domestic Hot Water Piping - 1" thick all sizes. 3) Supply Ductwork - 1-1/2" thick flexible fiberglass wrap. END OF SECTION SECTION 230900 CONTROLS AND INSTRUMENTATION A. Provide control systems consisting of thermostats, control valves, dampers, operators, indicating devices, interface equipment, and other apparatus required to operated mechanical system and to perform functions specified. B. Provide necessary materials and field work necessary to connect control components factory supplied as part of equipment controlled, unless specified otherwise. C. Controls shall be an extension of the Base Building Direct Digital Control Building Automation System (BAS). All air terminals shall be fully integrated into the BAS. The existing system is Johnson Controls. D. All wiring shall comply with the requirements of local and national electrical codes. E. The system shall be installed by competent mechanics regularly employed by the manufacturer of the temperature control equipment. END OF SECTION SECTION 230993 SEQUENCES OF OPERATION A. Terminal Box Control Sequences: 1. General: Provide VAV terminal controller and room sensor with warmer/cooler setpoint adjustment. Each zone shall be allowed a fixed range of setpoint adjustment (72°F to 77°F adjustable). BAS shall adjust the range; user may adjust within this range via the "warmer/cooler" selector on the thermostat. Each tenant suite shall have the capability of an individual occupied/unoccupied schedule, which may be different from the Air Handling Unit (AHU) schedule, except that when AHU is in unoccupied mode, all zones must also be in unoccupied mode. At least one sensor in each tenant suite shall have an override button. BAS shall enable override buttons on an owner defined basis, so that only owner-approved tenants can override unoccupied mode. 2. Constant Air Volume With Reheat (CURRENT OPERATION): The terminal box shall be utilized for reheat only. On a drop in temperature below set point, the thermostat shall modulate the reheat coil normally open two-way control valve to meet set point. 3. Variable Air Volume Without Reheat (FUTURE OPERATION): The thermostat shall control the damper operator on the variable volume, pressure independent terminal box. On a drop or rise in temperature below or above set point, the thermostat shall modulate the airflow between minimum and maximum scheduled air quantities to satisfy the thermostat set point. END OF SECTION SECTION 233000 DUCTWORK A. Ductwork: Galvanized sheet steel; lock forming quality; constructed to the latest edition of SMACNA "HVAC Duct Construction Standards"; +/- 4" w.c. pressure classification for all supply duct between supply fan and air terminals, +/- 2” for all supply downstream of air terminals, and all return or exhaust duct, Seal Class "C"; with galvanized steel fasteners, anchors, angles, straps, etc. Transfer air ducts and return grille sound boots may be fabricated from fibrous glass duct board. B. Round duct: spiral seam, galvanized steel. Die stamped or five-gore elbows. "Snap-Lock", longitudinal seam duct, or adjustable fittings are acceptable on individual grille/diffuser runouts only. C. Liner: Duct Liner is not permissible on this project. D. Seal all seams air tight with United McGill "Uni-Grip" UL Listed, water based, non-hardening, elastic sealant or equivalent. E. All flexible ducts shall not exceed six feet in length. Flexible ductwork shall have an outer jacket of fire retardant metalized reinforced outer jacket vapor barrier material, uniform Layer of fiberglass insulation, high-strength galvanized steel helix encapsulated in reinforced "Rip Stop" aluminum laminate interior core, UL Listed and labeled, Class 1 air duct. Working Pressure Rating: Pos. 6", Neg. 4". Flexmaster Type 1M or equivalent. F. Return Air Plenum: The HVAC system will use the space above the ceiling on each floor as a return air plenum. Conform to the requirements of NFPA and local code requirements for all material installed in the return air plenum. Provide a complete return air path between all return air devices (grilles etc.) And their respective HVAC unit. Maximum velocity of return air in plenum shall generally not exceed 250 feet per minute, nor exceed 750 feet per minute at any cross-section of the return air path. END OF SECTION SECTION 233113 DUCT ACCESSORIES A. Fire Dampers: 1. Fire Dampers: Provide dynamic rated Type B Or C fire dampers except as noted on drawings. See architectural drawings for the required ratings. Provide horizontal mounted fire damper with closure spring and positive lock in closed position. 2. Provide integral sleeve Type G fire dampers for sidewall air devices terminating at fire rated walls - Ruskin DIBD20-G or equivalent. B. Combination Fire/Smoke Dampers: 1. Provide UL Labeled, Class II minimum, motor-driven combination fire/smoke dampers in sizes indicated. with out of airstream in-jamb linkage with stainless steel pivots. 2. Factory sleeve, red enamel finish, caulked and attached to damper in accordance with UL fire damper requirements. 3. Provide factory mounted spring return 120v electric actuator and electric heat actuated manual reset release device. The damper shall at all times be connected to the actuator. The damper closure shall be controlled to not less than 7 seconds and no more than 15 seconds. Release device shall be set at 165°F, unless otherwise noted. Replaceable, fusible elements are not acceptable. 4. Damper actuator shall fail close upon loss of power/control air. 5. 1-1/2 hour or 3 hour rating as required by construction type. 6. Ruskin FSD36, with Belimo Aircontrols FSLF (30 in-lb) or FSNF (70 in-lb) actuators or equivalent. C. Turning Vanes: 1. Fabricated Turning Vanes: Provide fabricated 22 gauge, single blade or 24 gauge double bladed 4-1/2" radius, 3-1/4" spacing turning vanes and type 2, 4-1/2" wide runners, constructed in accordance with SMACNA “HVAC Duct Construction Standards” Fig 2.3. D. Duct Access Door: 1. Access doors for low pressure rectangular duct: construct of same or greater gauge as ductwork served, provide double wall insulated doors for insulated ductwork. Provide flush frames for un-insulated ductwork, extended frames for externally insulated duct. All access doors shall have gasket and will be air tight. Provide one side hinged, other side with one cam-type latch for doors 12" high and smaller, 2 cam-type latches for larger doors. Where a hinged door cannot be fully opened a removable door may be used. a. Access Doors For Medium and High Pressure Rectangular Duct: Insulated double wall round door and frame arranged for “Spin-In” installation, with continuous gasket in frame for door. Leakage of less Than 0.5 cfm at 6" W.G. Flexmaster “Inspector Series Spin Door” or equivalent. b. Access Doors For Round Duct: Sandwich type door, constructed of an insulated double wall outer door connected to gasketed inner plate carriage bolts with hand knobs, and formed to fit the radius of the duct. Ductmate “Sandwich” or equivalent. c. Provide duct access doors whether shown or not for inspection and cleaning upstream of all coils, fans, automatic dampers, fire dampers (minimum 16" x 24" in ducts larger than 18"), fire/smoke dampers, duct smoke detectors and elsewhere as indicated. Review locations prior to fabrication. Provide multiple access doors for large ductwork to provide adequate reach to equipment. END OF SECTION SECTION 233600 TERMINAL VAV UNITS A. Air terminal units shall be variable volume type with electric reheat coils where shown. See schedule on drawings for manufacturer, sizes and model numbers. Acceptable Manufacturers: Nailor, Titus, Environmental Technologies, Trane, Metal-Aire. B. Casing shall be minimum 22 gauge galvanized steel construction with internal acoustical coated 1/2" thick, 1-1/2 lb. Density fiberglass insulation and inlet and outlet duct connections. C. Electric heating coils shall be constructed of electric resistance heating elements in galvanized steel casing with a NEMA 1 control box, a hinged access door and factory wiring. Provide over-temperature protection, differential pressure air flow switch mounted upstream of the primary air damper, door interlocking disconnect, magnetic contactors and ul listing as duct heater. Provide a minimum of 2 stages for heaters 3 KW and over. D. Hot water heating coils shall be designed for 200 psig maximum working pressure and 200°F maximum operating temperature. Coil shall be serpentine-type, constructed of ½” O.D. copper tubes mechanically bonded to aluminum fins; galvanized steel casing. E. Provide label on each air terminal unit, indicating plan designation, unit size, CFM range and settings and calibration curve. F. Provide a pressure independent pneumatic cross or ring-shaped flow sensor with velocity pressure pickup points for measuring inlet airflow. The sensor shall maintain control accuracy with the same size inlet duct in any configuration. Single point hot wire anemometer or straight line pneumatic sensors are not acceptable. Provide gauge ports in flow sensor tubing. G. Controls shall be furnished by the control manufacturer. END OF SECTION SECTION 233713 AIR DEVICES A. Air devices shall be provided to distribute supply and return air within individual areas of the building. They shall include registers, grilles, diffusers and linear slots. See schedule on drawings for manufacturer, sizes and model numbers. B. Acceptable Manufacturers: Price, Titus, Krueger, Nailor, Metal-Aire. END OF SECTION 181 WEST MEADOW DRIVE VAIL, CO HII-1302604 This document is the property of Heery International, Inc. and Heery International Inc. retains all rights therein, including copyrights. It may only be used in a manner consistent with Heery International Inc.'s rights while Heery International, Inc. is providing services for the specific project identified or referred to herein or extensions thereto. It may not be used for any other purpose except with the express written agreement of, and compensation to, Heery International Inc. Copyright © 2013 by Heery International, Inc. all rights reserved. WHEN PLOTTED AT FULL SIZE THIS SHEET MEASURES 30"x42" drawn by checked by consultants/construction managers owner's project number project number Heery International 555 17th Street, Suite 500 Denver, CO 80202 720.946.0276 sheet number sheet title item date date issued for seal/signature MEP: CATOR RUMA & ASSOCIATES, CO. 896 TABOR STREET LAKEWOOD, CO 80401-4700 303.232.6200 INTERIORS: GALLUN-SNOW 1920 MARKET STREET, SUITE 201 DENVER, CO 80202 303.433.9600 TEMPORARY ICU ROOMS 218 & 219 100% CONSTRUCTION DOCUMENTS 07/08/2015 M801A.1B MECHANICAL SPECIFICATIONS JDD WAT 07/31/15