Project manual for the Orangery-1994

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PART 1 DIVISION 15- MECHANICAL Nelson Orangery 9415.00 October 3, 1994 1 15100. HEATING, VENTILATING & AIR CONDITIONING SYSTEM A. Responsibility: 1. The Mechanical Contractor is singularly responsible for the Code-compliant design, installation,and testing of the basic home heating,cooling, and ventilating system, including, but not limited to: the furnace, air conditioning equipment, all supply and return ducts,grills, registers,combustion and air make-up ducts,gas piping, kitchen and bathroom exhaust fans and ducts,thermostats, etc. 2. The Mechanical Contractor shall pay for all licenses,fees,permits,taxes,etc. required. 3. The Mechanical Contractor shall guarantee all materials and equipment furnished by him and his labor and the integrity of all systems for two years from substantial completion of the project. The Mechanical Contractor will replace or repair any part of the system which becomes defective within the guarantee period without cost to the Owner. 4. The Mechanical Contractor shall submit a schematic design of the dud runs, air returns, grills and registers,with all sizes shown and equipment selected,for the Architect to review. 5. The Owner is singularly responsible for all normal and periodic system maintenance necessary for proper system function. 6. Shop drawings/product data shop drawings shall be submitted for all major pieces of equipment, according to Section 01600. 7. The Mechanical Contractor shall submit room-by-room heat loss calculations to the Architect for review and approval. B. System Requirements (Remodeled existing HVAC):The Mechanical Contractor is to design and provide alterations to the exisiting forced air and air conditioning system to adapt the existing system to accommodate the relocation of existing construction due to remodeling and to extend it into the new spaces of additions to the existing stricture. 1. See the floor plans for preferred locations of additional supply registers and air returns. 2. Supply ducts shall run under concrete slab. 3. Extend existing flues as shown on the drawings. 4. Air Balancing: All ventilating systems in the rooms shall be balanced by the Contractor. The Contractor shall properly make any adjustments necessary to dampers and other equipment to meet the required air volume. C. Hot water radiant floor heating s em: Design and install a hot water radiant floor heating system for the addition. System shall be by INFLOOR HEATING SYSTEMS,or approved equal. 1. Heating tubes shall be tied to welded wire mesh and encased in concrete slab. 2. System zoning and controls locations shall be proposed by contractor and approved by Architect. 3. Boiler shall be located in existing mechanical room. Verily venting requirements and routing with architect. 15400. PLUMBING SYSTEM A. Water Supply System: 1. Wall Hydrants: All exterior hose bibs shall be Woodford Model 25 series non-freeze type wall hydrants. (Verify wall thickness and order correct lengths in time for installation. See floor plan for locations.)