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HomeMy WebLinkAboutPLANS Deck 3110 S Saint Vrain Ave 2022-01-05Reviewed by SAFEbuilt; 2015 International Codes Subject to inspection and compliance to all Relevant, adopted Building & Municipal Codes 01/05/2022 Electrical permit to be obtained through DORA state of Colorado, all electrical inspections performed by state inspectors Reviewed by SAFEbuilt Reviewed by SAFEbuilt Request for Information (RFI): The General Contractor may submit a request for information (RFI) when it is necessary to clarify the information presented in the mechanical plans or to resolve a conflict in the mechanical design. For a project where a General Contractor is not engaged, the prime contractor in charge of the construction or management of the project may submit RFI's. RFI's shall be submitted to the mechanical engineer (ME) for review and response. Allow a minimum of seven working days for a response to submitted RFI's. The following RFI's may be rejected without action: -Requests for approval of submittals. -Requests for approval of substitutions. -Requests for approval of contractor's methods and means. -Requests for information already contained in the plans and specifications. -Incomplete or improperly prepared RFI's. -Excessive or unnecessary RFI's (as determined by the mechanical engineer). RFI's shall clearly state the specific information or clarification that is being requested. RFI's shall reference the specific plan item, detail, field condition, and / or specification in question and shall fully describe the conflict or ambiguity. RFI's shall include photos, sketches, coordination drawings, shop drawings, measurements, dimensions, descriptions, product data, etc. as is necessary to fully describe the request and any proposed resolutions. RFI's shall include two proposed resolutions in the RFI submittal. The proposed resolutions shall include a detailed description of the resolution, the impacts on construction timeline, and the impacts on the project costs. In addition, contractor shall include a detailed description of the impact of the proposed resolutions to other trades and the project owner. General HVAC Specifications: Definitions Contractor shall mean the Mechanical Contractor. AHJ shall mean Authority(s) Having Jurisdiction over the project. Contract Documents shall mean these drawings and specifications along with any directive or changes issued to said documents. General The general conditions of the architectural general specifications shall apply to this section. Scope The contractor shall furnish all materials, labor, equipment and services to provide, install and commission the mechanical systems presented in the construction documents in a complete, operable, and AHJ approved manner that complies with the construction documents. The mechanical systems shall include the following as well as any other systems depicted or listed in the contract documents. 1. Heating, ventilation, air conditioning systems 2. Operating and temperature control systems 3. Condensate piping Site Inspections / Verification Contractor shall thoroughly inspect the job site to determine existing conditions and conflicts between the construction documents and plans prior to biding. Utility connection points shown on the plans are approximate and shall be field verified by the contractor. Contractor shall promptly report any conflicts to the mechanical engineer before proceeding with their bid or work. Contractor shall be responsible for any costs or delays arising from contractor's failure to thoroughly verify and report site conditions, conflicts or utility locations. Plan Inspection / Verification Contractor shall thoroughly inspect the plans, for all trades, to determine if any conflicts exist. All conflicts are to be reported to the Architect / Engineering promptly. Drawings and Intent These drawings are diagrammatic in nature, and may not show all necessary valves, fittings, supports, dampers, insulation, offsets, etc. The contractor shall furnish complete and operable systems that meet the design intent and are in compliance with the construction documents. The contractor shall provide and install all necessary valves, fittings, supports, dampers, insulation, offsets, etc. as though they were explicitly called out in the construction documents. The contractor shall include these necessary items in their bid / contract and shall not charge any additional fees, beyond the bid / contract amount, for these items. These drawings are diagrammatic in nature and shall not be scaled for exact measurements. Contractor shall refer to the architectural drawings for locations and measurements not given on these drawings. Coordination Contractor shall be responsible for coordinating their work with all other trades. Contractor shall maintain their installation pace and timeframes in accordance with the General Contractor's pacing and timeframes so as not to delay the project or incur additional costs. Permits and Licenses Contractor shall apply for, pay for and obtain all required permits and licenses for this project. Contractor shall be responsible for all fees and taxes for their work, equipment, materials, permits and licenses. Code Requirements Contractor shall comply with all federal, state and local code requirements, amendments and regulations as determined by the authority having jurisdiction (AHJ). Contractor shall comply with utility company regulations. Materials and Workmanship All materials and equipment, furnished for this project, shall be new and without blemish or defect unless otherwise specified in these drawings and specifications. All work, furnished for this project, shall be completed by skilled workers trained and experienced in the work they are doing. All work shall be completed with high quality workmanship and in a neat manner. All work shall conform to the highest practices common in the industry, manufacturer's requirements and specifications, the construction documents, and industry standards. Drawings and Specifications The materials and equipment presented in the construction documents are the basis of design. These materials and equipment represent the designed performance, sizing, configuration, connections, form, aesthetics and function required. Contractor shall not substitute alternate materials, or equipment without engineer's written approval. Alternate Materials and Equipment Any requests for the substitution of alternate materials or equipment must be submitted to the engineer, for review, 2 weeks prior to bidding the project. Contractor shall be responsible for any costs required due to the substitution of approved alternate materials and equipment, including costs to other trades. All submissions shall be in accordance with the section titled “Shop Drawings and Submittals” in these specifications. Approval of an alternate will not alleviate the contractor of the responsibility to provide full and complete systems that meet the design intent and the requirements of the construction documents, even if the approved alternate does not meet these requirements. Shop Drawings and Submittals Contractor shall prepare and submit, to the General Contractor, shop drawings, cut sheets and submittals for all equipment, services, and materials to be provided and installed in accordance with the construction documents. General Contractor shall review these submittals for compliance with the construction documents before sending them to the engineer for review. If the General contractor determines that the equipment, services and materials, as depicted in the submittals, comply with the contract documents, the General Contractor shall then submit the submittals to the engineer for review along with a cover letter from the General Contractor indicating they have reviewed the submittals and found them to be in compliance with the contract documents. All submissions must be provided to the engineer a minimum of 2 weeks prior to ordering any material or equipment and 2 weeks prior to providing any services. This same submittal procedure shall be utilized for any requests for the substitution of alternate materials and equipment. Complete and Functional Systems Contractor shall provide and install complete and fully functional systems which produce the performance characteristics (as installed) required by the construction documents. These systems shall include all necessary components including dampers, access doors, controls, thermostats, etc. Delivery, Storage and Handling Contractor shall be responsible for the delivery, storage and handling of all parts, materials, equipment and fixtures within the scope of the HVAC systems. Flexible Connectors Duct connections to mechanical equipment shall be made utilizing a flexible connector listed and approved for the application. Duct Access Doors Furnish duct access doors to access and service all fire and smoke dampers as well as any other equipment installed within the ductwork which requires access for servicing. Condensate Drain Trap all condensate drains in accordance with manufacturer's requirements and adopted codes. Route condensate lines to the nearest floor drain or other approved discharge location. Maintain an air gap at drain termination point. All air gaps shall be in accordance with manufacturer's requirements or code requirements, whichever is more stringent. Operation and Maintenance Manuals Save, compile and bind three copies of all operation and maintenance manuals as well as specifications, warranties and cut sheets for all HVAC systems, components, and materials. Provide the bound manuals to the project coordinator, for the owner's use, before project closeout. Owner Training Provide onsite training on all HVAC systems and equipment to the owner or owner's designees at a time that is acceptable to the owner. This training shall cover operation and maintenance and shall be provided at no additional cost. Equipment Identification - Labeling All equipment, pipes, components, dampers, pumps, and valves shall be identified, labeled and tagged in accordance with the International Mechanical Code and International Plumbing Code as adopted and amended by the AHJ. Disconnects and Starters Contractor shall supply electrical disconnects and motor starters for all equipment provided by them. Electrical contractor shall install and hook-up all electrical disconnects and motor starters. Cleaning Contractor shall provide final cleaning of all systems and equipment provided by the contractor. Cleaning shall be provided immediately prior to handing the project over to the owner. Cleaning to be to owner's satisfaction Cutting and Patching Contractor shall be responsible for all cutting, patching, grinding, welding, brazing and soldering necessary for the completion of their work. Contractor shall be responsible for any repairs to finishes necessitated by their work. Work Area - Cleanliness Contractor shall maintain the work area in a neat, clean and safe manner at all times. No excess materials are to be stored in the work area without the project manager's prior approval. Duct Transitions and Changes of Direction All rectangular supply and return ductwork changes in direction greater than 45° shall be fully radiused with a radius of 1.5 times the diameter. Where a radius duct is not possible single width turning vanes may be used in a mitered fitting. All duct transitions which enlarge in the direction of flow shall be formed with an angle of 15° or less. All duct transitions which reduce in the direction of flow shall be formed with an angle of 30° or less. HVAC Piping - Insulation All field installed HVAC piping serving refrigeration lines shall be insulated with closed cell elastomeric pipe insulation. The insulation shall conform to the specifications listed in the Minimum Pipe Insulation Thickness table on this sheet. All other field installed HVAC piping, that serves as part of a heating or cooling system, shall be insulated with jacketed fiberglass pipe insulation. The insulation shall have a protective jacket with factory applied vapor barrier. Vapor barrier shall have a permeability rating of 0.02 perms. Jacket shall have a self sealing lap seam. The insulation shall conform to the specifications listed in the Minimum Pipe Insulation Thickness table on this sheet. Record Set of Drawings Contractor shall maintain a current and accurate marked-up set of drawings indicating all systems, components, materials, routing, etc. as installed. All deviations from the as designed construction plans are to be noted in red. Provide the marked-up record set to the owner and a Provide an electronic copy, of the record set, to mechanical engineer a minimum of one week prior to the final inspection. The electronic copy shall be an Adobe PDF file. The electronic copy shall be in color, shall be legible and shall be in a format and size that is acceptable to the mechanical engineer. Commissioning of Building Systems All heating, ventilation, air conditioning, refrigeration and service water heating systems are to be commissioned, by an approved agency. Commissioning firm shall develop a commissioning plan and submit plan to mechanical engineer for approval, prior to starting any commissioning. Commissioning shall fully comply with the requirements of IECC C408.2. All deficiencies noted during commissioning shall be corrected and the affected systems shall be re-commissioned. An electronic copy (pdf format) of the final commissioning report shall be submitted to the building owner, mechanical engineer and architect for review and approval. The report shall be submitted, for review, a maximum of 30 days after final inspection. The contractor shall be responsible for ensuring these requirements are met. The contractor shall engage and pay for an approved commissioning firm to perform the commissioning. Firms wishing to provide commissioning shall submit qualifications, samples of work on similar projects and a scope of work description to mechanical engineer for prior approval. Discrepancies Between General HVAC Specifications and Plans When there is a discrepancy between these General HVAC Specifications and a specific note, detail or specification, on the mechanical plans, the note, detail or specification, on the mechanical plans, shall take precedence. Provide, Furnish and Install When the plans say Provide or Furnish an item or material the contractor shall interpret these terms to include the installation of the item or material in question, unless otherwise specified on the plans. Testing and Balancing All HVAC and hydronic systems shall be tested, adjusted and balanced by a third party testing, adjusting and balancing (TAB) firm not connected to the contractor by financial, ownership, common employee or other like circumstances. The TAB firm shall be NEBB or AABC certified. Mechanical contractor shall engage and pay for the TAB firm's services. All balancing shall be in accordance with NEBB procedures and shall be reported on NEBB or approved equal forms. All air systems shall be balanced within +/- 5% of the airflow shown on plans. Contractor shall supply and install any additional dampers required for balancing for no additional charge. Contractor shall make any repairs necessary for the balancing for no additional charge. All hydronic systems shall be balanced within +/- 5% of the flow shown on plans. Contractor shall supply and install any additional valves or fittings required for balancing at no additional charge. Contractor shall make any repairs necessary for the balancing for no additional charge. At a minimum, balance report shall include gross airflow (Supply, Return, Exhaust, Outside Air, etc.) for each system, individual air terminal airflow, system static pressures, equipment operating characteristics (RPM, amps, volts, temperature difference, etc.), equipment and drive physical characteristics, all hydronic flows and pressure drops, ALL SYSTEM TEMPERATURES, pump nameplate data, equipment and drive nameplate data and motor starter data. A copy of final balance report shall be provided to the mechanical engineer two weeks prior to contractor's submittal for final payment or final building department inspection, whichever occurs first. Controls Contractor shall provide and cause to be installed all controls and control wiring for the HVAC systems in accordance withe equipment manufacturer's recommendations, the National Electrical Code as adopted and amended by the AHJ and any local codes or amendments. Ductwork All ductwork shall be constructed and reinforced and installed in accordance with the latest edition of SMACNA's HVAC DUCT CONSTRUCTION STANDARDS METAL AND FLEXIBLE and the International Mechanical Code. Exposed round ductwork shall be of the continuous seam spiral type with associated spiral fittings. Concealed round ductwork may be spiral seam ductwork or snaplock duct. Duct Size Duct sizes shown on the plans are inside clear dimensions and do not include an allowance for duct liner or other obstructions. Flex Duct Flex duct may only be used for connections to supply air terminals. Flex duct shall be insulated to a minimum of R6.2, have a wire helix reinforced core, and be encased in an outer foil scrim jacket. The maximum length shall be limited to 6 feet of flex duct. Flex duct shall be listed to UL 181 standard and shall be Class 1 duct. Duct Insulation Duct insulation shall be as follows unless otherwise noted on the plans. Rectangular make-up air ducts in unconditioned spaces within the building envelope shall be wrapped with Johns Manville Microlite FSK foil scrim craft duct insulation with a minimum rating of R6 as installed. Do not internally line make-up duct. Rectangular supply and return air ducts within the building envelope shall be lined with Johns Manville Lincoustic 1" duct liner with a minimum rating of R6 as installed. Spiral ductwork shall be internally lined with Johns Manville Spiracoustic 1.5" duct liner with a minimum rating of R6 as installed. Concealed round supply, return, and make-air ducts within the building envelope shall be externally insulated with 1.5" thick insulation having a minimum R value of R6. The insulation shall be enclosed in a foil scrim jacket. Rectangular supply and return duct, outside the building envelope, shall be lined with Johns Manville Lincoustic duct liner with a minimum rating of R12 as installed. Rectangular make-up air duct, outside the building envelope, shall be wrapped with Johns Manville Microlite FSK foil scrim craft duct insulation with a minimum rating of R12 as installed, unless otherwise noted on the plans. Do not internally line make-up duct. Cover and seal exterior duct insulation with Ideal Seal 777 aluminum embossed cladding or approved equal. Duct Supports and Hangers Furnish all required hangers and supports for the completion of contractors scope of work in accordance with code, AHJ, and material / equipment manufacturer's requirements. Duct Sealing Concealed duct: All longitudinal and transverse seams shall be externally sealed air tight with Carlisle Iron-Grip 601 or approved equal. Exposed spiral duct: All exposed spiral duct shall be internally sealed by gaskets or mastics approved and listed for the application. Do not externally seal exposed spiral duct. Flexible duct: All flexible duct connections shall be sealed with two layers UL-181-B-FX duct tape applied under the duct clamp. Warranty All services, work, equipment and materials supplied for this project shall include a full 1 year warranty covering all materials and labor from the date of owner's final acceptance. In addition, contractor will provide full manufacturer's warranty to the owner in the event that the manufacturer's warranty is longer or more favorable to the owner. Temporary Services The HVAC systems provided and installed in accordance with the construction documents shall not be used for temporary heating, cooling and ventilating during the construction phase. Any HVAC systems used for temporary heating, cooling and ventilating shall have their filters replaced, be fully cleaned and returned to an as-new state prior to turning the project over to the owner's control. Equipment Protection Contractor shall be responsible for protecting all fixtures, materials and equipment during construction and until final acceptance by the owner. Dampers Quadrant type locking balancing dampers shall be provided in all supply air duct branches off of the main supply trunk(s). Request for Information (RFI): The General Contractor may submit a request for information (RFI) when it is necessary to clarify the information presented in the mechanical plans or to resolve a conflict in the mechanical design. For a project where a General Contractor is not engaged, the prime contractor in charge of the construction or management of the project may submit RFI's. RFI's shall be submitted to the mechanical engineer (ME) for review and response. Allow a minimum of seven working days for a response to submitted RFI's. The following RFI's may be rejected without action: -Requests for approval of submittals. -Requests for approval of substitutions. -Requests for approval of contractor's methods and means. -Requests for information already contained in the plans and specifications. -Incomplete or improperly prepared RFI's. -Excessive or unnecessary RFI's (as determined by the mechanical engineer). RFI's shall clearly state the specific information or clarification that is being requested. RFI's shall reference the specific plan item, detail, field condition, and / or specification in question and shall fully describe the conflict or ambiguity. RFI's shall include photos, sketches, coordination drawings, shop drawings, measurements, dimensions, descriptions, product data, etc. as is necessary to fully describe the request and any proposed resolutions. RFI's shall include two proposed resolutions in the RFI submittal. The proposed resolutions shall include a detailed description of the resolution, the impacts on construction timeline, and the impacts on the project costs. In addition, contractor shall include a detailed description of the impact of the proposed resolutions to other trades and the project owner. Valves All ball valves shall be full port valves. valves may only be used with fluids and gases for which they are designed, approved and listed. Cutting and Patching Provide all trenching, cutting, patching, repair and backfill necessary to complete the work. Contractor shall be responsible for any repairs to finishes necessitated by their work. Dissimilar Metals Provide dielectric connections between all dissimilar metals. Exterior Wall Routing All pipes routed in exterior walls, above grade floors, and ceiling / roof assemblies shall be located on the conditioned space side of the wall / floor / ceiling / roof insulation. Penetrations Provide sleeves, escutcheons, and flashing around all pipe penetrations of building construction. The existing conditions (systems, construction, dimensions, layout, sizes, utilities, etc.) presented in these plans relies on a combination of one or more of the following; owner representations, existing plans, field surveys, and other data provided to the engineer. Existing conditions may vary from what is depicted in these plans. The mechanical engineer shall not be liable for errors in existing conditions or omissions of existing conditions on these plans. Contractor shall be responsible for providing fully functional HVAC systems that meet the design intent. Therefore, contractor shall carefully and thoroughly examine the existing building and field verify, to their satisfaction, that the existing conditions (systems, construction, dimensions, layout, sizes, utilities, etc.) match the plans prior to contracting for any work on the project. Additional compensation will not be provided for contractor's failure to verify field conditions. FRY ENGINEERING, INC. 970-658-3665 SHANE@FRYENG.COM WWW.FRYENG.COM 2702 BIANCO DR. FORT COLLINS, CO 80521 ry ngineering Reviewed by SAFEbuilt DN FRY ENGINEERING, INC. 970-658-3665 SHANE@FRYENG.COM WWW.FRYENG.COM 2702 BIANCO DR. FORT COLLINS, CO 80521 ry ngineering Reviewed by SAFEbuilt UP N FRY ENGINEERING, INC. 970-658-3665 SHANE@FRYENG.COM WWW.FRYENG.COM 2702 BIANCO DR. FORT COLLINS, CO 80521 ry ngineering Reviewed by SAFEbuilt FRY ENGINEERING, INC. 970-658-3665 SHANE@FRYENG.COM WWW.FRYENG.COM 2702 BIANCO DR. FORT COLLINS, CO 80521 ry ngineering Reviewed by SAFEbuilt