HomeMy WebLinkAboutB16-0199_M1.0 SPEC_1478897902.pdfGeneral
1. Immediately notify the Engineer of any discrepancies.
2. Do not scale drawings. Verify dimensions in field prior to commencement of work.
3. It is the intent of these drawings and specifications to establish a standard of quality. The Engineer reserves the right to take exceptions to
approve methods and materials not reflected herein.
4. Work shall be performed in a workmanlike manner to the satisfaction of the Architect & the Engineer.
5. Labor, materials, and equipment shall conform to the latest applicable editions of local, State of Colorado, and National Codes and ordinances.
If conflict between those publications exists, the most stringent requirement shall apply.
6. Provide record drawings to architect. Drawings shall include all addendum items, change orders, alterations, re-routings, etc.
7. The drawings show the intent of the mechanical systems but do not show all details required. It is the responsibility of the Contractors to install
complete & operable systems, which conform to the manufacturers' installations instructions & industry standards.
8. Systems shall be tested for proper operation. If tests show work is defective, Contractor shall make corrections necessary at no cost to Owner.
9. It is the Contractors' and manufacturers' responsibility to assure themselves that the code authorities will approve any product to be installed on
the project.
10. Provide necessary trenching, backfill, excavation, supports, piping, insulation, saw cutting and patching, concrete/paving, etc., as required.
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11. See architectural reflected ceiling plan for all ceiling penetrations.
12. Coordinate architectural, structural, and landscaping design drawings with mechanical drawings prior to installation.
13. Offset piping, ductwork, etc. as necessary to accommodate structure, beams, columns, and existing equipment.
14. Verify exact locations of existing and new underground utilities, piping, and raceway systems prior to trenching. Contractor shall obtain and
verify exact utility company drawings and requirements.
Electrical
15. Contractor must carefully verify electrical service voltage and phase available before ordering any equipment.
16. The following are to be furnished by MC and wired by EC: equipment motors, magnetic starters, line voltage thermostats, factory disconnect
switches (if specified as part of factory wired equipment) resistance heaters, fire and smoke detectors.
17. The following are to be furnished and wired by EC: disconnect switches, thermal overload switches, manual operating switches and contactors.
18. The following are to be furnished and wired by MC: low voltage thermostats, control transformers, control relays, control panels, motorized
valves, motorized dampers, pilot lights, multi-speed switches and interlocks.
Remodel, Demolition & Unforeseen Conditions
19. Visit site prior to bid and verify the conditions. Include in the bid, costs required to make work meet existing conditions, whether indicated or
not.
20.Provide mechanical demolition required. Refer to architectural demolition drawings for location and extent of demolition required. Visit site
prior to bid to determine extent of work involved. Provide labor and materials as required to maintain and/or restore continuity of service to
existing systems.
21.In as much as design for remodel, renovation and/or rehabilitation requires that certain assumptions be made regarding existing conditions and
because some of these assumptions cannot be verified without destroying otherwise adequate or serviceable portions of the building, the
Engineer cannot assure the Owner or the Contractor that the professional consulting services herein encompass all contingencies. Field
coordination during construction is imperative. Contractors bidding this work must make reasonable allowances for unseen conditions and
should include associated allowances in their bids noted as such.
22.Existing fixtures, mechanical equipment, etc. being removed shall be returned to the Owner.
23.Be responsible to field verify existing equipment or ductwork remaining to be reconnected to new or existing systems. Provide ductwork,
piping, controls, diffusers, etc., as required to restore continuity to system(s).
24.All new ductwork, piping, equipment, etc. is shown with dark lineweight. All existing ductwork, piping, equipment, etc. is shown with light
lineweight.
25.All existing support rods and straps now supporting ducts, air tubing, electrical conduit, etc. that are removed to allow room for installation of
new equipment shall be relocated and reinstalled, or replaced if damaged.
26. New hot and cold water branches to be routed from nearest hot water and cold water of line size equal to or greater than new branch - typical.
Insulation
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flame spread index of not more than 25 and a smoke-developed index of not more than 50 when test in accordance with ASTM E 84, latest
revision.
28.Elastomeric refrigerant insulation: Slip insulation over pipe before assembly so that there are no length wide seams. Where lengths of insulation
are butted together, use factory recommended adhesive. Glue the butt ends of insulation to each other to form a homogenous membrane
maintaining the vapor barrier. Exterior elastomeric insulation shall be installed with the longitudinal seam on the bottom of the pipe and shall be
protected with an ultra violet resistive paint. Elastomeric insulation shall be covered with two coats of paint manufactured specifically for
covering Elastomeric insulation, Armaflex WB Finish or equal.
29.Insulate all new domestic hot water and domestic hot water recirculation with flexible, closed-cell elastomeric insulation. Insulation shall have a
flame spread index of less than 25 and a smoke-developed index of less than 50 when test in accordance with ASTM E 84, latest revision.
Minimum R-Value of 3.0 for all piping. Insulation shall have a maximum water vapor transmission of 0.08 perm-inches when tested in
accordance with ASTM E 96. Procedure A, latest revision.
30. Insulation for all types of piping shall be carried full size through pipe hangers or pipes shall be supported with vibration clamps.
Piping
31. Domestic Hot, Cold & Recirculation piping inside building - Non-buried lines, type 'L' copper water tube, wrought copper fittings and no lead
solder. Provide alternate pricing for PEX tubing (no oxygen diffusion barrier necessary). If PEX is being used, increase size of piping one
nominal size from size shown on plans.
32. Waste and vent line above ground - Standard weight, C.I. soil pipe, and fittings, or hubless, C.I. soil pipe and fittings. Up through 2-1/2" may be
standard weight, galvanized steel pipe with black, C.I. drainage fittings.
33. Waste and vent lines below grade may be Schedule 40 ABS-DWV plastic pipe and fittings (ASTM D2661) or Schedule 40 PVC-DWV plastic
pipe and fittings (ASTM D2665). All pipe and fittings shall bear NFS-DWV mark and shall be joined with solvent weld joints as recommended
by the manufacturer.
34. PEX piping shall be supported by continuous cradles supplied by the manufacturer.
35. Refrigeration Piping - Type 'L', ACR Grade copper, cleaned, dehydrated, capped and charged with clean nitrogen at the factory. Use wrought
copper fittings and hard solder having a minimum melting point of 1100F for buried lines, no lead solder for non-buried lines. Valves and
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36.Copper pipe Valves and Specialties:
Gate Valves: Bronze, Class 125, 200 lb. W.O.G.
Ball Valves: Bronze, Class 125, 200 lb. W.O.G.
Check Valves: Bronze, Class 125, 200 lb. W.O.G.
Balancing Valves: 125 psig w.p. for 250F service tight shut-off, Illinois dual-purpose, balancing/shut-off valve, Hoffman, Sarco, or
equivalent.
37.Support pipe with rod and clevis or clamps. No pipe tape allowed.
38. Dielectric Unions - Furnish and install a dielectric union at all connections where non-ferrous material is in contact with ferrous material and
fluid is not protected with corrosion inhibitors.
39. Install plumbing clean-outs as required by applicable codes.
Ductwork
40.All ductwork shall be sealed airtight with duct mastic. Duct tape is prohibited.
41.Seal all ductwork joints and vapor barrier penetrations at all exterior walls.
42.Ducts and piping penetrating through roof shall have roof flashing with caulk type counter flashing sleeve or by method acceptable by roofing
manufacturer. Installation shall be watertight.
43.Provide backdraft dampers at any and all ductwork penetrations through exterior wall (except outside air and combustion air ductwork).
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46.Sheet metal and fittings to be pursuant to SMACNA and ASHRAE standards.
47.All ducts shall be 26 gauge minimum. Duct gauge and construction shall conform to SMACNA HVAC Duct Construction Standards.
48.Back Draft Dampers: Furnish and install, at locations on plans or in accordance with schedules, dampers meeting the following specifications:
Dampers shall be of the two-blade design with separate axles. Blades shall be retained in closed position with tensioned spring. Spring shall be
easily field adjustable for any orientation mounting. Spring adjustment will allow for field setting of pressure to open damper. Frame shall
include rolled stiffener beads to allow easy sealing to spiral ductwork joints. Dampers shall include vinyl foam blade seal. Frames shall have no
holes or openings to allow air through damper frame. Damper shall in all respects be equivalent to Ruskin model BDR2.
Controls
49.Mount all thermostats 5'-0" above finished floor.
50. Thermostats shall not be installed above heat emitting equipment, including wall mounted touch screen controls. Do not mount on exterior walls
or above/below forced air supply registers.
51. All thermostats shall have a temperature range suitable for the application and have adjustable set points. The thermostats shall be able to
display temperature setpoint and room temperature. All thermostats shall be approved by the Owner.
52.See Sequence of Operation for additional control information.
Mechanical Specifications
1. Thermostats
a. Thermostat controls shall be programmable type, approved by Owner. See Mechanical Plans for locations of thermostats.
2. FC-1 & 2 & HP-1
a. Fan coils shall be controlled by integral Mitsubishi controls.
b. COOLING: Upon a call for cooling, associated fan coil blower shall start and HP-1 heat pump shall run as directed by Mitsubishi controls
to meet the cooling demand.
c. HEATING: Upon a call for heating, associated fan coil blower shall start and HP-1 heat pump shall run as directed by Mitsubishi controls
to meet the heating demand.
3. WH-1 Electric Water Heater
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4. Space Heating
a. BB-1-4 Electric baseboard heaters shall be controlled by line voltage wall mounted thermostats.
b. EKH-1 Electric Kickspace Heater shall be controlled by line voltage wall mounted thermostat.
c. EHM-1 Electric Heat Mat: Upon a call for heating from wall mounted thermostat, Electric Heat Mat shall be energized.
5. Fans
a. EF-1 bath exhaust fans shall each be controlled by an on/off wall switch.
Sequence of Operation
6/10/16
06/28/16