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H. Equipment piping shall also include wastes and drains which are safewasted without a direct connection. This shall
<br /> include drains from drain pans,plenum drains,backflow preventers and automatic air vents,etc.
<br /> I. Service piping to fixtures and equipment shall be installed concealed wherever possible. Conceal piping within the
<br /> wall adjacent to the equipment or in the enclosures provided by the equipment supplier, as indicated on the
<br /> drawings. For size of enclosures and exact locations,see equipment shop drawings.
<br /> J. Exposed piping shall be installed in a sanitary manner for ease in cleaning.
<br /> 3.06 CONNECTIONS TO MISCELLANEOUS EQUIPMENT
<br /> A Due to the fact that the manufacturer of the equipment purchased may vary slightly from that specified and,
<br /> therefore, requires some rearranging of equipment different from that indicated on the drawings, the Contractor
<br /> shall make connections to such rearranged equipment without additional cost to the Owner. That is for initial
<br /> installation arrangement other than that indicated on the drawings.
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<br /> B. This Contractor shall make all water,waste,vent, steam,condensate retum,water heating and cooling, condensate
<br /> drain pan piping, ductwork connections, etc., to all equipment in this building whether or not such equipment is
<br /> furnished by this Contractor, other Contractors or by the Owner. This includes furnishing and installing piping,
<br /> shut-off valves, unions, fittings, ductwork, air control devices and insulation. Also included in this work are
<br /> connections, including shut-off valves,backflow preventers,pressure reducing valves,unions, double check valve
<br /> assembly,open wastes and traps to make up supply water to building environmental system equipment.
<br /> C. The Mechanical Contractor shall coordinate work between the various trades to ensure proper installation and
<br /> operation of all systems. Do not install ductwork so as to cover electrical junction boxes unless this contractor
<br /> provides approved access panels in both layers of duct.
<br /> 3.07 FOUNDATIONS AND SUPPORTS
<br /> A. Foundations, supports, anchors, concrete bases, anchor bolts, sleeves, grouts, shims, etc., required for properly
<br /> placing mechanical equipment fiurnished under this contract shall be provided by this Contractor,unless specifically
<br /> stated otherwise. Housekeeping pads, four(4) inches thick, of 140 pcf dense concrete, shall be furnished for all
<br /> mechanical equipment located on floor slabs. See architectural and structural drawings for concrete work to be
<br /> famished by General Contractor. Coordinate exact locations of concrete pads with General Contractor.
<br /> 3.08 TESTS
<br /> A. General. Tests shall be performed on all systems. Tests shall be repeated until each system is proven acceptable.
<br /> 1. All work shall be inspected,tested and approved as required by the State of Minnesota and local regulations.
<br /> Tests shall be made in the presence of proper inspectors and the Architect/Engineer or their duly authorized
<br /> representatives. All tests shall be made by the Contractor at his own expense, and he shall furnish three(3)
<br /> test certificates to the Architect/Engineer for approval.
<br /> 2. All work shall prove absolutely tight under required tests. All tests of piping systems, except final tests of
<br /> completed systems shall be made before pipe is covered or connected to fixtures and equipment.
<br /> 3. All gauges,tools,pumps,air compressor or other equipment required for testing and initial adjusting of piping
<br /> systems shall be purchased and provided by this Contractor.
<br /> 4. See respective Division 15 sections for tests required under that specific section of the specification.
<br /> B. Ventilation and Air Conditioning Systems.
<br /> 1. All ventilating systems will be balanced by an independent test and balance agency contracted directly by the
<br /> Owner. Division 15 Section 15990 is included for reference only.
<br /> 15050-6 No.99132-CP2
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