H02.REV

GENERAL PROVISIONS FOR HEATING, VENTILATING AND AIR CONDITIONING WORK

NOTE: FINAL DATE: JUNE, 1988.

Part 1 -	GENERAL

1)	WORK INCLUDED

A.	Work in this Section includes the providing of labor, materials, equipment and services necessary for a complete and safe installation in accordance with the contract documents and all applicable codes and authorities having jurisdiction for the following

NOTE: INDICATE ALL SYSTEMS APPLICABLE TO THIS PROJECT. EDIT PORTIONS OF WORK INDICATED TO SUIT PROJECT REQUIREMENTS

1.	PIPING.

2.	STEAM SYSTEM.

3.	CHILLED WATER SYSTEM.

4.	HOT WATER SYSTEM.

5.	FAN COIL SYSTEM.

6.	BOILER PLANT - GAS FIRED (LESS THAN 2,000 MBH).

7.	BOILER PLANT - #2 OIL FIRED (LESS THAN 2,000 MBH)

8.	HOT WATER BOILER PLANT (LARGER THAN 500 MBH)

9.	STEAM BOILER PLANT (LARGER THAN 2,000 MBH)

10.	PREFABRICATED CHIMNEYS AND BREECHINGS.

11.	REFRIGERATION PLANT (CENTRIFUGAL UNITS).

12.	REFRIGERATION PLANT (ABSORPTION UNITS).

13.	PACKAGED RECIPROCATING WATER CHILLER (WATER COOLED).

14.	CONDENSER WATER SYSTEM (PACKAGED COOLING TOWERS).

15.	CONDENSER WATER SYSTEM (FIELD ASSEMBLED TOWER).

16.	PACKAGED AIR-COOLED WATER CHILLERS (RECIPROCATING OR CENTRIFUGAL)

17.	SELF-CONTAINED COMPUTER ROOM AIR CONDITIONING.

18.	SELF-CONTAINED AIR CONDITIONERS.

19.	PACKAGED ROOF-TOP UNITS.

20.	HEAT PUMPS.

21.	COMMERCIAL REFRIGERATION.

22.	AIR COOLED CONDENSER SYSTEM (FOR SPLIT DX SYSTEM).

23.	EVAPORATIVE CONDENSER SYSTEM (FOR SPLIT DX SYSTEM).

24.	SHEET METAL WORK.

25.	AIR HANDLING SYSTEM EQUIPMENT.

26.	AIR DISTRIBUTION SYSTEM EQUIPMENT.

27.	HEATING, VENTILATING AND AIR CONDITIONING SYSTEMS.

28.	INSULATION.

29.	MOTORS.

30.	MOTOR CONTROLLERS.

31.	AUTOMATIC CONTROL SYSTEM.

32.	VIBRATION ISOLATION.

33.	NOISE CONTROL.

34.	WATER TREATMENT.

35.	THERMOMETERS, GAUGES, AND RECORDING INSTRUMENTS.

36.	BALANCING AIR AND WATER SYSTEMS.

37.	EMERGENCY DIESEL GENERATOR SYSTEM.

38.	ELECTRIC HEATING.

39.	-----------------.

NOTE: FOR EXISTING WORK ONLY. COORDINATE WITH PROJECT MANAGER

B.	Provide cutting and patching, except as noted in "AIA Document A210" and "Supplementary Conditions for Mechanical and Electrical Work.

C.	Provide piping from plumbing terminations, 10 feet from equipment, for water, gas, compressed air and as indicated

D.	Provide drainage from noted equipment to floor drains, roof, sink, or funnel drains

E.	Provide piping connections to equipment, as required, for kitchens, laboratories, laundries, and as indicated

NOTE: SEE PROJECT MANAGER FOR PROPER STATEMENT MAKING REFERENCE TO GENERAL CONDITIONS, SUPPLEMENTARY CONDITIONS, ETC

2)	RELATED WORK AND REQUIREMENTS

A.	-----.

B.	Work Not Included:

NOTE: INCLUDE AS APPLICABLE FOR THIS PROJECT. BE SURE TO EDIT ALL PARAGRAPHS IN THIS SECTION TO CORRESPOND WITH ALL OTHER SECTIONS TO ASSURE CONSISTENCY AND AGREEMENT. COORDINATE WITH PROJECT MANAGER

1.	Providing temporary heat.

2.	Providing finish painting including pipe stencilling.

3.	Providing access doors and filler.

4.	Installing access doors and providing filler.

5.	Providing access doors in concrete for access to fuel-oil tanks

6.	Providing trench covers and frames.

7.	Providing chimney cleanout door and thimble.

NOTE: FOR NEW CONSTRUCTION ONLY. COORDINATE WITH PROJECT MANAGER.

8.	Cutting and patching, except as noted in "AIA Document A201" and "Supplementary Conditions for Mechanical and Electrical Work.

BACK

9.	Excavating and backfilling under building.

10.	Excavating and backfilling.

BACK

11.	Providing louvers in doors.

12.	Providing undercut doors.

13.	Providing wall louvers and screens.

14.	Providing plenums other than sheet metal.

15.	Providing flashing.

16.	Providing shaft gratings.

17.	Providing equipment platforms.

18.	Providing pipe heat tracing system.

NOTE: COORDINATE WITH ARCHITECTURAL GENERAL SECTIONS.

3)	DESCRIPTION OF BID DOCUMENTS

A.	Specifications, in general, describe quality and character of materials and equipment

B.	Drawings, in general are diagrammatic and indicate sizes, locations, connections to equipment and methods of installation. Provide additional offsets, fittings, hangers, supports, valves, drains as required for construction and coordination with work of other trades

C.	Scaled and indicated dimensions are approximate and are for estimating purposes only. Before proceeding with work, check and verify all dimensions

D.	Make adjustments that may be necessary or requested in order to resolve space problems, preserve headroom, and avoid architectural openings, structural members and work of other trades

E.	Typical details, where shown on the drawings, apply to each and every item of the project where such items are applicable. Typical details are not repeated in full on the plans, and are diagrammatic only, but with the intention that such details shall be incorporated in full.

F.	If any part of Specifications or Drawings appears unclear or contradictory, consult the Architect and/or Engineer for interpretation and decision as early as possible during bidding period. Do not proceed with work without the Architect's and/or Engineer's decision

4)	DEFINITIONS

NOTE: COORDINATE ALL DEFINITIONS WITH DIVISION 1 AND GENERAL CONDITIONS

A.	"Furnish" or "provide": to supply, install, and make complete, safe, and operable, the particular work referred to unless specifically indicated otherwise

B.	"Install": to erect, mount, and make complete with all related accessories

C.	"Supply": to purchase, procure, acquire, and deliver complete with related accessories

D.	"Work": includes labor, materials, equipment, services, and all related accessories necessary for the proper and complete installation of complete systems

E.	"Piping": includes pipe, tube, fittings, flanges, valves, controls, strainers, hangers, supports, unions, traps, drains, insulation, and all related accessories

F.	"Wiring": includes raceway, fittings, wire, boxes, and all related accessories

G.	"Concealed": not in view, installed in masonry or other construction, within furred spaces, double partitions, hung ceilings, trenches, crawl spaces, or enclosures

H.	"Exposed": in view, not installed underground or "concealed" as defined above

I.	"Indicated," "shown," or "noted": as indicated, shown, or noted on drawings or specifications

J.	"Similar" or "equal": of base bid manufacturer, equal in quality, materials, weight, size, performance, design, and efficiency of specified product, conforming with "Base Bid Manufacturers.

K.	"Reviewed," satisfactory," "accepted," or "directed": as reviewed, satisfactory, accepted, or directed by or to Architect and/or Engineer

L.	"Motor Controllers": includes manual or magnetic starters with or without switches, individual pushbuttons or hand-off-automatic (HOA) switches controlling the operation of motors

M.	"Control or Actuating Devices": includes automatic sensing and switching devices such as thermostats, pressure, float, flow, electro-pneumatic switches and electrodes controlling operation of equipment

5)	QUALITY ASSURANCE

A.	All equipment and accessories shall be the product of manufacturers regularly engaged in their manufacture. All items of a given type shall be the products of the same manufacturer

B.	Furnish all equipment and accessories new and free from defects

C.	All electrical equipment shall be listed by Underwriters' Laboratories, Inc. (UL) or bear UL labels

D.	Supply all equipment and accessories in complete compliance with and in accordance with the applicable standards listed in reference standards of this Section and with all applicable national, state, and local codes

NOTES: COORDINATE WITH ARCHITECT. FOR FAN COIL UNITS COORDINATE WIRING WITH ELECTRICAL DEPT. REVIEW WITH ARCHITECT RE CEILING OR OTHER MOCK-UP REQUIREMENTS

6)	MOCK-UP

A.	Provide for the following equipment or systems, as directed:

1.	-----------------.

B.	Submit for review, samples, and components prior to construction of mock-up

7)	JOB CONDITIONS

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT.

A.	Inspection of Site Conditions:

1.	Before starting work, visit the site and examine the conditions under which the work has to be performed. Report in writing any conditions which might adversely affect the work

NOTE: INCLUDE AS APPLICABLE FOR THIS PROJECT. SPECIFY B, C, AND D FOR ALTERATION PROJECTS ONLY

B.	Connections to existing work:

1.	Install new work and connect to existing work with minimum interference to existing facilities

2.	Provide temporary shutdowns of existing services at no additional charges and only with written consent of Owner. Schedule shutdowns not to interfere with normal operation of existing facilities

3.	Maintain continuous operation of existing facilities as required with necessary temporary connections between new and existing work

4.	Connect new work to existing work in neat and acceptable manner. Restore existing disturbed work to original condition

NOTE: LIST WORK IF APPLICABLE.

5.	Perform the following work only after regular working hours

a.	------------------------.

C.	Removal and relocation of existing work.

NOTE: INDICATE SCOPE ON DRAWINGS AND CHECK REROUTING OF PIPING AND DUCTWORK EXPOSED BY REMOVAL OF EXISTING CONSTRUCTION AND/OR INCLUDE UNIT PRICES WHEN NOT CERTAIN

1.	Disconnect, remove, or relocate HVAC material, equipment, and other work noted and required by alterations, modifications, or changes in existing construction

2.	Provide new material and equipment required for relocated equipment

3.	Plug or cap active piping of ductwork behind or below finish

NOTE: COORDINATE WITH PROJECT MANAGER.

QUIP

4.	Dispose of removed HVAC equipment as directed.

5.	Return removed HVAC equipment to Owner as directed.

QUIP

8)	REFERENCE STANDARDS

A.	Published Specifications, standards, tests, or recommended methods of trade, industry or governmental organizations apply to work in all Sections as noted below

1.	ASHRAE - American Society of Heating, Refrigerating and Air Conditioning engineers

2.	AABC - Associated Air Balance Council.

3.	AMCA - Air Moving and Conditioning Association.

4.	ADC - Air Diffuser Council.

5.	NEMA - National Electrical Manufacturers' Association.

6.	ANSI - American National Standards Institute.

7.	ASME - American Society of Mechanical Engineers.

8.	ASTM - American Society for Testing and Materials.

9.	NFPA - National Fire Protection Association.

10.	ARI - Air-Conditioning and Refrigeration Institute.

11.	UL - Underwriters' Laboratories, Inc.

12.	OSHA - Occupational Safety and Health Administration Regulations

NOTE: EDIT TO SUIT PROJECT REQUIREMENTS. INCLUDE ONLY REFERENCES DIRECTLY AFFECTING WORK OF THIS SECTION. COORDINATE THE FOLLOWING WITH THE PROJECT MANAGER AND ARCHITECT

9)	SUBMITTALS

A.	Submit shop drawings product data, samples and certificates of compliance required by contract documents, "AIA Document 201" and "SUPPLEMENTARY CONDITIONS FOR MECHANICAL AND ELECTRICAL WORK.

B.	Operating instructions, maintenance manuals and parts lists.

1.	Provide five sets of manufacturers' equipment brochures and service manuals consisting of the following

a.	Descriptive literature for equipment and components

b.	Model number and performance data.

c.	Installation and operating instructions.

d.	Maintenance and repair instructions.

e.	Recommended spare parts lists.

2.	Assemble manufacturers' equipment manuals in chronological order following the specifications' numbering system using heavy duty three ring binders.

3.	Submit valve tag chart.

4.	Submit three sets of field test reports including instrument set points and normal operating valves

10)	CLEARANCE FROM ELECTRICAL EQUIPMENT

A.	Piping or ductwork is prohibited in electric and telephone rooms and closets, elevator machine rooms, and for installations over or within 5 feet of transformers, substations, switchboards, motor control centers, standby power plants, and motors

B.	Branch piping to equipment is acceptable when installed over or within 5 feet of motors

11)	DRIP PANS

A.	Provide drip pans under piping when installation over or within 5 feet of electrical apparatus is unavoidable or in rooms containing electrical equipment. Pan shall be reinforced, properly supported and made watertight. Provide enclosed type for pressure piping. Extend 1-1/4 inch drain pipe from pan to spill over nearest floor drain or as indicated

HEET

1.	Construction shall be 32 oz sheet copper.

2.	Construction shall be 18 guage galvanized sheet steel.

HEET

12)	PRODUCT DELIVERY, HANDLING, AND STORAGE

A.	Ship materials and equipment in crated sections of sizes to permit passing through available space, where required

B.	Receive and accept materials and equipment at the site, properly handle, house, and protect them from damage and the weather until installation. Replace equipment damaged in the course of handling without additional charge

C.	Arrange for and provide storage space or area at the job site for all materials and equipment to be received and/or installed in this project

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT.

13)	TEMPORARY HEAT

HEAT

A.	Temporary heat will be provided under General Construction Work

NOTE: CHECK WITH SUPERVISOR AS TO HOW TEMPORARY HEAT IS TO BE ACCOMPLISHED. THE FOLLOWING OPTIONS ARE SUGGESTIVE ONLY

B.	EXAMPLE 1:

EAT

1.	FOR PRODUCING TEMPORARY HEAT AS SPECIFIED IN SECTION ----, TITLED "GENERAL PROVISIONS" ARTICLE ----, SCHEDULE WORK OF THIS SECTION WITH THAT OF GENERAL CONSTRUCTION SO THAT A MAJOR PART OF PERMANENT HEATING SYSTEM INSTALLED WITH ANY TEMPORARY INSTALLATIONS SHALL PROVIDE TEMPORARY HEAT WHERE REQUIRED

2.	PERMANENT PIPING SYSTEM MAY BE USED FOR TEMPORARY HEATING. IF PERMANENT INSTALLATION OF ANY PART THEREOF IS NOT COMPLETED AT TIME WHEN TEMPORARY HEAT IS REQUIRED, PROVIDE SUFFICIENT TEMPORARY PIPING, EQUIPMENT, LABOR, FUEL TO MAKE ALL TEMPORARY CONNECTIONS AS REQUIRED AND PAY ALL EXPENSES IN CONNECTION WITH FURNISHING TEMPORARY HEAT

3.	MAKE ALL NECESSARY CHANGES TO HEATING SYSTEM, AS REQUIRED, TO RESTORE SYSTEM TO A WORKABLE CONDITION IN ACCORDANCE WITH THE CONTRACT DOCUMENTS AT THE END OF PERIOD OF TEMPORARY HEATING

C.	EXAMPLE 2

1.	FURNISH MATERIALS, LABOR, AND SERVICES AND PAY COSTS AND EXPENSES FOR PORTIONS OF TEMPORARY HEATING WORK TO BE PROVIDED UNDER THIS SECTION, AS SPECIFIED IN -----

D.	EXAMPLE 3

1.	SCHEDULE WORK WITH THAT OF GENERAL CONSTRUCTION SO THAT A MAJOR PART OF PERMANENT HEATING SYSTEM INSTALLED TOGETHER WITH ANY TEMPORARY INSTALLATION SHALL PROVIDE TEMPORARY HEAT WHEN REQUIRED IN ORDER TO PROVIDE TEMPORARY HEAT AS SPECIFIED IN -----

2.	PERMANENT PIPING MAY BE USED FOR TEMPORARY HEATING. IF PERMANENT PIPING OR ANY PART THEREOF IS NOT COMPLETED AT TIME WHEN TEMPORARY HEAT IS TO BEGIN, FURNISH SUFFICIENT TEMPORARY PIPING AND EQUIPMENT AND MAKE ALL TEMPORARY CONNECTIONS, AS DIRECTED

3.	SHOULD PERMANENT EQUIPMENT NOT BE AVAILABLE FOR TEMPORARY HEATING, FURNISH TEMPORARY EQUIPMENT OF SUFFICIENT AND ACCEPTED CAPACITY

4.	TEMPORARILY CONNECT AND PLACE IN SATISFACTORY OPERATION RADIATORS DISTRIBUTED THROUGHOUT BUILDING AT LOCATIONS AS DIRECTED. WHEN REQUIRED FOR PERFORMING FINISHED WORK UNDER GENERAL CONSTRUCTION WORK. THESE RADIATORS SHALL BE TEMPORARILY DISCONNECTED, REMOVED, AND RECONNECTED AS OFTEN AS MAY BE NECESSARY, BUT RADIATORS SHALL NOT BE INSTALLED IN THEIR PERMANENT LOCATIONS UNTIL PAINTING OF RADIATORS OR PAINTING OF OTHER FINISH ON WALLS BEHIND THEM HAS BEEN COMPLETED. WHERE REQUIRED, INSTALL RADIATORS ABOVE FLOOR AS DIRECTED, OR CONNECT AT DISTANCE OF 4 FEET FROM WALL. SET RADIATOR BRACKETS AT EARLIEST POSSIBLE TIME

5.	USE NO VALVES OR TRAPS INTENDED FOR FINAL USE ON TEMPORARILY CONNECTED RADIATORS. FURNISH TEMPORARY VALVES AND TEMPORARY TRAPS REQUIRED DURING PERIOD OR TEMPORARY HEATING OPERATION

6.	THOROUGHLY CLEAN PERMANENT RADIATORS ON OUTSIDE SURFACES AFTER TEMPORARY USE

7.	PROVIDE TEMPORARY HEAT WITHIN BUILDING AT SUCH PERIODS AS DIRECTED. FOR SUCH PURPOSES, PUT WHOLE OR PART OF HEATING PLANT AND TEMPORARY EQUIPMENT INTO USE AS DIRECTED, AND OPERATE AND MAINTAIN HEATING SYSTEM DURING TEMPORARY HEATING PERIOD. MAINTAIN SUCH TEMPERATURES AS ARE NECCESSARY, BUT IN NO EVENT SHALL TEMPERATURE FALL BELOW 50 DEG. F THROUGHOUT PERIODS WHEN TEMPORARY HEAT IS BEING SUPPLIED

8.	THOROUGHLY CLEAN ALL NEW PERMANENT APPURTENANCES USED IN TEMPORARY SERVICE, CORRECT ALL DEFECTS THAT MAY DEVELOP OF BE FOUND IN NEW PERMANENT APPARATUS, DURING OR AFTER TEMPORARY OPERATION AND DELIVER ENTIRE EQUIPMENT IN PERFECT CONDITION AND OPERATING ORDER AND TO SATISFACTION AND ACCEPTANCE OF ARCHITECT AND/OR ENGINEER

9.	FURNISH ALL LABOR, SERVICES, AND FUEL REQUIRED TO OPERATE HEATING SYSTEM DURING TEMPORARY OPERATION

E.	EXAMPLE 4 - ADDITION TO EXISTING STRUCTURE.

1.	PROVIDE TEMPORARY HEAT FROM EXISTING BOILER PLANT AS (SPECIFIED IN) (AS DIRECTED)

2.	MAKE CONNECTION FOR STEAM SUPPLY IN EXISTING STEAM HEADER IN PRESENT BOILER ROOM

3.	FURNISH CONDENSATE METERS, AS REQUIRED AND ACCEPTED, TO MEASURE QUANTITY OF STEAM USED OR TEMPORARY HEATING. METERS SHALL BECOME PROPERTY OF CONTRACTOR AT TERMINATION OF TEMPORARY HEATING PERIOD

4.	FURNISH ELECTRICAL WIRING FROM DISCONNECT SWITCH, AS DIRECTED, FOR OPERATION OF MOTOR DRIVEN OR CURRENT CONSUMING EQUIPMENT. ELECTRIC ENERGY PROVIDED WILL BE UNDER SECTION: ELCTRICAL WORK

5.	STEAM FOR OPERATION OF TEMPORARY HEATING SYSTEM WILL BE SUPPLIED BY OWNER

HEAT

14)	ACCESSIBILITY

A.	Install all work so that parts requiring periodic inspection, operation, maintenance, and repair are readily accessible. Minor deviations from the drawings may be made to accomplish this, but changes of substantial magnitude shall not be made without written approval

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT.

B.	Group concealed valves, expansion joints, controls, dampers, and equipment requiring access, so as to be freely accessible through access doors

15)	SPECIAL TOOLS

A.	Provide one set of any special tools required to operate, adjust, dismantle or repair equipment furnished under this Division for the Owner's use at the completion of work

B.	Provide one pressure grease gun with adapters for each type of grease required

C.	Provide one suitable tool case for special tools.

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT.

NOTE: COORDINATE WITH "RELATED WORK AND REQUIREMENTS."

16)	CUTTING AND PATCHING

A.	Provide all carpentry, cutting and patching required for proper installation of material and equipment specified. Do not cut or drill structural members without review by Architect and Structural Engineer

OTE: COORDINATE WITH "RELATED WORK AND REQUIREMENTS".

17)	UTILITY CONNECTIONS

A.	Arrange for and pay costs for all specified utilities including the following

1.	Connection to utility company mains.

2.	Payment of service charges.

3.	Provision for temporary utilities.

4.	Connect in accordance with authority having jurisdiction.

18)	PROTECTION OF MATERIALS

A.	Protect from damage, water, dust, etc., material, equipment and apparatus provided under this trade, both in storage and installed

Part 2 -	PRODUCTS

1)	BASE BID MANUFACTURERS

A.	Base bid on materials or equipment are specified by name of manufacturer, brand or trade name and catalog reference

B.	The choice will be optional with bidder where two or more manufacturers are named

NOTE: MAY NOT BE APPLICABLE FOR GOVERNMENT FUNDED PROJECTS. COORDINATE WITH PROJECT MANAGER

C.	Manufacturers, other than specified, will only be considered if at the time of bid, manufacturers' names and proposed substitutions are named and stated and the difference in base bid is indicated including changes in the cost of all affected work. Detail equality and difference, item by item, for submission of manufacturers' equipment other than specified

NOTE: COORDINATE WITH "RELATED WORK AND REQUIREMENTS.

D.	The following are base bid manufacturers for items under this Section

1.	Access doors: Karp Associates, Inc., Higgins Mfg. Co., Milcor Steel Co., and Walsh-Spencer Co

2.	Inserts: F and S Mfg. Co., Fee and Mason and Grinnell

3.	Hangers and supports: I.T.T. Grinnell, Carpenter and Patterson Inc., and Fee & Mason

4.	Paint: Sherwin-Williams, Pittsburgh Plate Glass Co., Pratt and Lambert, and Rust-Oleum

5.	Gratings: Irving Grating IKG Industries and Ryerson - Inland Steel Co

2)	INSERTS AND SUPPORTS

NOTE: COORDINATE WITH "RELATED WORK AND REQUIREMENTS."

A.	Support all HVAC work from building construction by providing inserts, beam clamps, steel fishplates (in concrete fill only), and acceptable brackets. Submit all methods for review

B.	Provide trapeze hangers of bolted angles or channels for grouped lines and services

C.	Provide additional framing where building construction is inadequate. Submit for review

D.	Inserts shall be steel, slotted type and factory-painted.

1.	Single rod shall be similar to Grinnell Fig. 281.

2.	Multi-rod shall be similar to Fee and Mason Series 9000 with end caps and closure strips

3.	Clip form nails flush with inserts.

4.	Maximum loading including pipe, contents and covering shall not exceed 75 percent of rated insert capability

NOTE: CHECK WITH STRUCTURAL ENGINEER RE MAXIMUM PERMISSIBLE LOADING OF STEEL DECK AND METHOD OF ATTACHMENT OF SUPPORTS. COORDINATE SUPPORT OF DUCTWORK, LIGHTING FIXTURES, PIPING, RACEWAYS AND CEILINGS. WHERE STEEL DECK RESTRICTS SUPPORTS, DETAIL METHOD OF SUPPORT ON DRAWINGS

E.	Supports from steel decks:

1.	Pipes:

OTE: WHERE PIPE LARGER THAN NOTED, INDICATED METHOD OF SUPPORT.

a.	Maximum size: -------- diameter.

b.	Hanger spacing: maximum -------- centers.

2.	Ductwork:

a.	Hangers spacing: maximum ------- centers.

NOTE: COORDINATE WITH PROJECT MANAGER, ARCHITECT, AND STRUCTURAL ENGINEER

3)	SUPPLEMENTARY STEEL, CHANNELS AND SUPPORTS:

A.	Furnish supplementary steel, channels, and supports required for proper installation, mounting, and support of HVAC work

B.	Connect supplementary steel and channels firmly to building construction in an acceptable manner

C.	Determine type and size of supporting channels and supplementary steel. Supplementary steel and channels shall be of sufficient strength and size to allow only a minimum deflection in conformance with manufacturers' requirements of loading

D.	Install supplementary steel and channels in a neat and workmanlike manner parallel to walls, floors, and ceiling construction

E.	All supplementary steel, channels, supports shall be submitted to structural Engineer for review

NOTE: FOR EXISTING STRUCTURES ONLY-ON RENOVATION WORK.

4)	EXPANSION ANCHORS

A.	Provide smooth wall, non-self-drilling internal plug expansion type anchors constructed of AISC 12L14 steel and zinc plated in acoordance with Fed. Spec QQ-A-325 Type 1, Class 3

B.	Do not exceed 1/4 of average valves for a specific anchor size using 2000 psig (13,800 kpa) concrete only, for maximum working load

C.	Provide spacing and install anchors in accordance with the manufacturer's recommendations.

NOTE: COORDINATE WITH "RELATED WORK AND REQUIREMENTS UNDER THIS SECTION.

5)	ACCESS DOORS

DOORS

A.	Access doors will be provided under General Construction Work

B.	Supply access doors for all concealed HVAC items in inaccessible walls and ceilings for complete access, using a with a minimum door size of 12 inch x 12 inch for installation under the General Construction Work. Locating and setting shall be performed after review

NOTE: FOR EXISTING WORK OR NO. G.C.

C.	Provide access doors for all concealed HVAC items in inaccessible walls and ceilings for complete access, using a minimum door size of 12 inch x 12 inch. Locating and setting shall be preformed after review

NOTE: GENERALLY FOR WALL INSTALLATION.

DOORS

D.	Flush type access doors shall be similar to Karp Type DSC-211 with No. 13 USSG steel doors and trim and No. 16 USSG steel frame, metal wings for keying into construction, concealed hinges and screwdriver operated stainless steel cam lock. Provide lift off type access doors, similar to Karp Type DSC-212, where door cannot swing open

E.	In acoustic tile ceilings, factory finished white access doors shall be similar to Karp Type DSC-210, with No. 13 USSG steel frame, No. 16 USSG steel pan door suitable for receiving tile thickness and hinges that are not visible when door is closed. Access door shall have screwdriver operated stainless steel cam locks finishing flush with tile with a minimum of 2 per door

F.	In plaster ceilings recessed access doors shall be similar to Karp DSC-210-PL, with recess to receive plaster.

G.	In fire rated construction provide fire rated access doors, similar to Karp KRP-150-FR, in accordance with applicable code requirements.

H.	Access doors shall have one coat of shop-painted zinc chromate primer

6)	ACCESS TILE IDENTIFICATION:

A.	In removable ceiling tiles, provide buttons, tabs, and markers to identify location of concealed work. Submit for review

NOTE: INCLUDE AS APPLICABLE FOR THIS PROJECT. COORDINATE THE FOLLOWING ITEMS WITH THE ARCHITECT. CHECK ALSO INDIVIDUAL SECTIONS WHICH MAY HAVE SOME OF THE FOLLOWING ITEMS

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT. COORDINATE WITH "RELATED WORK AND REQUIREMENTS.

7)	ACCESS PLATFORMS:

NOTE: SELECT APPLICABLE OPTION FROM THE FOLLOWING LISTINGS:

PLAT.

A.	Access platforms will be provided under General Construction Work

B.	Provide access platforms for equipment, where indicated or required by authorities having jurisdiction, in accordance with OSHA regulations and indicate on shop drawings, details of construction and method of attachment

PLAT.

C.	Provide removable gratings, toeplates, and guard rails suitable for a minimum 100 pounds per sqare foot floor loading

D.	Provide supports riveted or welded structural steel cross-braced on four sides and welded to baseplates for anchor bolting to concrete piers

E.	Gratings shall be similar to:

GRAT.

a.	Steel: Irving "x-bar."

b.	Aluminum: Irving "x-bar."

c.	Fiberglass: Ryerson Duradek I-5000.

GRAT.

8)	EQUIPMENT PLATFORMS.

OTE: COORDINATE WITH PROJECT MANAGER, ARCHITECT AND STRUCTURAL ENGINEER COORDINATE WITH "RELATED WORK AND REQUIREMENTS". SELECT APPLICABLE OPTION

QUIP. PLAT

A.	Equipment platforms will be provided under general construction work.

B.	Provide equipment platforms, where indicated or required by authorities having jurisdiction, in accordance with OHSA regulations and as indicated. On shop drawings, show details of construction and method of attachment. Submit for review

QUIP. PLAT

UPPORT

C.	Equipment platform shall be suspended from overhead construction. Platform shall be riveted or welded structural steel frame with intermediate framing and clip angles to receive suspension rods. Corners shall be reinforced with gusset plates. Baseplate shall be minimum 10 USSG steel plate riveted or welded to channel iron frame. Where overhead construction does not permit fastening of rods, provide additional steel members framed to span structural steel. Submit for review

D.	Equipment platform shall be supported from floor. Platform shall be riveted or welded structural steel frame with intermediate framing. Corners shall be reinforced with gusset plates. Baseplate shall be minimum 10 USSG steel plate riveted or welded to frame. Supports shall be riveted or welded structural steel, crossbraced on four (4) sides and welded to baseplate for anchor bolting to concrete piers. Submit for review

UPPORT

E.	Fasten vibration isolation bases as noted. Submit for review.

F.	Submit shop drawings with details of construction and method of attachment

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT.

9)	LADDERS:

LAD.

A.	Ladders will be provided under General Construction Work.

B.	Provide 18 inch wide properly supported, galvanized structural steel ladders designed in accordance with OSHA regulations with 2 1/2 inch x 2 1/2 inch side rails and 3/4 inch diameter rungs installed 12 inches on center

LAD.

NOTES: FOR LARGE SHAFTS REQUIRING ACCESS. INDICATE SIZES AND LOCATIONS ON DRAWINGS. COORDINATE SHAFT ACCESS WITH ARCHITECT

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT.

10)	SHAFT GRATINGS

NOTE: COORDINATE WITH "RELATED WORK AND REQUIREMENTS."

GRAT.

A.	Shaft gratings will be provided under General Construction Work

B.	Provide shaft gratings suitable for a minimum of 100 pounds per square foot floor loading

GRAT.

C.	Support on structural steel members and indicate on shop drawings, details of construction and method of attachment

NOTE: WHEN TRENCH COVERS AND FRAMES ARE SUPPLIED BY HVAC CONTRACTOR AND SET BY GENERAL CONTRACTOR

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT.

11)	TRENCH COVERS AND FRAMES

NOTE: COORDINATE WITH "RELATED WORK AND REQUIREMENTS."

TREN.

A.	Trench covers and frames will be provided under General Construction Work

B.	Covers:

1.	Provide 3 feet long, 1/4 inch thick galvanized checkered steel covers with flush drop-type lift handles and means for securing to frame for easy removal

NOTE: USE WHERE OIL SPILLAGE COULD EXIST.

2.	Provide 3 feet long, 1/4 inch thick galvanized expanded and perforated steel covers with flush drop-type lift handles and means for securing to frame for easy removal

TREN.

C.	Provide 2 inch x 2 inch x 1/4 inch galvanized welded angle iron frame with welded stops and lugs for anchoring into concrete

D.	Supply trench covers and frames for installation under General Construction Work

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT.

12)	GUARDS AND RAILINGS

NOTE: COORDINATE WITH "RELATED WORK AND REQUIREMENTS."

GUARD

A.	Guards and railings will be provided under General Construction Work

B.	Provide guards and railings as indicated and/or as required by OSHA and authorities having jurisdiction

GUARD

C.	Provide removable type guards with clearances for motor adjustments, for belt driven and rotating equipment, with No. 18 USSG steel frames and No. 20 USSG galvanized perforated steel fronts with covered test openings to permit rpm readings without removal. Provide galvanized steel angle or channel supports braced to maintain clearances of moving parts

D.	Provide removable type railings constructed of 1 1/4 inches pipe and rail fittings

13)	TAGS:

A.	Provide 2 inch round valve tags on all valves and controls of No. 18 BS gauge aluminum with stamped numbers and letters filled in with black paint

B.	Indicate identifying number and system letter on tags, and fasten by heavy aluminum or brass hooks or chains

C.	Tags shall be similar to Seton Name Plate Corporation

NOTE: FOR EXISTING BUILDINGS

D.	Supplement numbering and lettering of valve tags of existing building

14)	CHARTS:

A.	Provide valve tag chart indicating valve number, system, type, size, location and function for all valves

HART

B.	Mount charts on walnut grained wood plaque, with clear plastic laminations covering diagrams

C.	Mount in aluminum frame and glass.

HART

D.	Letter and number valves and controls to correspond with designations on metal tags

E.	Fasten charts permanently in locations, as directed, with four brass screws

NOTE: FOR EXISTING BUILDINGS.

F.	Supplement numbering and lettering of charts of existing building

15)	NAMEPLATES:

A.	Provide nameplates with inscriptions, subject to review, indicating equipment and voltage Fasten with epoxy cement or chrome plated screws. Nameplate shall be black Lamicoid sheet with white lettering

NOTE: LIST ADDITIONAL EQUIPMENT REQUIRING NAMEPLATES.

B.	Provide nameplates for gauges, meters, instruments, control devices, pilot lamps, transmitters, motor controllers and panel mounted equipment

Part 3 -	EXECUTION

1)	EXCAVATION AND BACKFILL

EXC

A.	Excavate, backfill and restore surfaces inside building.

B.	Excavate, backfill and restore surfaces inside and outside building

C.	Excavate, backfill and restore surfaces outside building.

EXC

D.	If rock is encountered, excavate to 6 inch below bottom of piping and refill with well tamped sand and gravel

E.	Bank excavated materials adjacent to trench and properly support with sheet piling and braces

F.	Install and maintain guards and keep excavation free of water with attended pumping equipment

NOTE: COORDINATE WITH PROJECT MANAGER IF AND WHERE UNIT PRICES ARE SPECIFIED

G.	No extra compensation will be provided for quicksand, hardpan, or other material encountered in excavating, except rock on unit price basis

H.	Remove bog or other swampy conditions encountered in excavating to one foot below bottom of piping and backfill with well tamped sand, finely crushed stone, or gravel

I.	Immediately after piping is installed, inspected, tested, and accepted, remove sheet piling with special care and solidly fill voids without damage to piping. Backfill in a manner to prevent future settlement. Use only good clean loam, clay, sand, or gravel that is free from frozen materials, lumps of clay, rocks, boulders, cinders, slag ashes, vegetable or organic materials, or building or other debris, or refuse

1.	Hand fill in 4 inch layers up to 2 feet above pipe and remainder, fill in with 1 feet layers

2.	Tamp and puddle each layer before placing next layer.

3.	Allow no stones larger than 2 inch diameter in fill up to 2 feet above piping and allow no stones larger than 4 inch diameter in fill over 2 feet above piping

J.	Restore surfaces, sidewalks, pavements, curbing, lawns, and shrubs that are disturbed or damaged

NOTE: COORDINATE WITH PROJECT MANAGER.

K.	Dispose of acceptable surplus excavation on site and remove surplus and unsuitable excavated materials from site as directed

2)	CUTTING THROUGH CELLULAR FLOORING

A.	Cut openings for reception or work in accordance with manufacturer's recommendations and approval and in a manner not to interrupt continuity of electrical raceways

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT.

3)	PAINTING

NOTE: INCLUDE THE FOLLOWING WHEN HVAC CONTRACTOR DOES PAINTING.

PAINT

A.	General

1.	Provide labor, materials, and equipment necessary for field prime painting. Protect flooring and equipment with drop cloths and store paint and materials in a location where directed. Wire brush and remove all oil, dirt, rust and grease before applying paint

2.	Paint all exposed, uninsulated, non-galvanized sheet metal, other than stainless steel and aluminum, with two coats of aluminum paint or alkyd paint of a color as directed

3.	Paint all exposed, uninsulated, galvanized, aluminum and stainless steel sheet metal in finished spaces, including mechanical equipment rooms, with one coat of galvanized iron primers and two coats of alkyd oil paint

4.	Paint insulated piping and equipment covering with one coat of primer sealer and two coats of alkyd oil paint of a color as directed

5.	Factory or field apply one coat of heat resisting paint for steel pipe and finned tube radiation

6.	Paint exposed steel and metal work not furnished with factory-painted finish, structural steel piping support and uninsulated piping with two coats alkyd oil paint of a color as directed

7.	Paint the following spaces under this contract:

a.	Mechanical Equipment Rooms.

b.	Boiler Plant.

c.	Refrigeration Plant.

d.	Steam Pressure Reducing Valve Room.

e.	Steam Metering Room.

f.	Emergency Generator Plant.

8.	Apply zinc chromate primer for black steel piping, cast iron piping (except underground), steel and iron work and steel tanks before insulation

9.	Dip in zinc chromate primer, uncoated hangers, supports, rods and inserts

NOTE: INCLUDE THE FOLLOWING WHEN PAINTING IS SPECIFIED UNDER GENERAL CONSTRUCTION WORK

B.	Coordinate color of painting to be provided under General Construction Work

PAINT

NOTE: INCLUDE THE FOLLOWING WHEN PAINTING IS SPECIFIED UNDER GENERAL CONSTRUCTION WORK OR IN HVAC CONTRACT

C.	Supply and deliver, in original sealed containers, paint of the best grade for its purpose of colors, as selected, and apply in accordance with manufacturers' instructions

D.	Finish painting:

1.	Provide finish painting for piping continuously painted in all exposed areas consisting of two finished coats of high gloss medium or long alkyd paint over prime coat of a color shade as accepted after submittal

2.	Utilize color as follows on Sherwin Williams, "Kem Lustral" or "Metalastic II" name and figure numbers

a.	Chilled water piping and equipment --- PALE BLUE, F65L7

b.	Condenser water piping --- PALE GREEN, F65G42.

c.	High pressure steam --- ORANGE, F65E1.

d.	Medium pressure steam --- FERRITE YELLOW, F65Y3.

e.	Low pressure steam --- LIGHT YELLOW, F65Y12.

f.	Low pressure condensate --- IVORY, F65H1.

g.	Hot water, pumped condensate and equipment --- MAGENTA, (special mix) color similar to (B47R9) but in "Kem Lustral.

h.	Chemical feed piping and equipment --- DARK BLUE, F65L4

i.	Refrigeration Machines and Refrigerant Piping --- BRIGHT BLUE, F65L10

j.	Supply ductwork and fans --- SILVER GRAY, B53A10.

k.	Control panels --- SLATE GRAY, B53A13.

l.	Exhaust and return ductwork and fans --- STEEL GRAY, B53A11

m.	Fire detection and alarm conduit, fire stand pipe, sprinkler piping --------- Vermillion, F65R1

n.	Compressed air piping and equipment --- LIGHT GRAY, F65A2

o.	Vent and relief piping --- RICH BROWN, F65N11.

p.	Boilers and breeching --- SLATE GRAY, B53A13.

q.	Fuel and diesel oil --- BLACK, F65B1.

r.	High temperature water --- ORANGE, F65E1.

s.	Softened water, dealkalizers, softeners, brine tanks, --- MEDIUM GREEN, F65G40

t.	City water ----- Light Green, F65G39.

3.	Place unlisted piping, ductwork or equipment in one of the following classifications and color coded shades as accepted. This corresponds to colors of ANSI A13.1, (Scheme for identification of piping systems)

a.	Red for fire-protection materials.

b.	Yellow or Orange for dangerous materials.

c.	Green or Blue for safe materials.

d.	Dark Blue or Purple for extra valuable materials.

e.	Gray for general equipment.

4.	Shades shall be consistent throughout the project.

5.	Coat valve, strainer and other appurtenances operating at over 220 o F where bare metal is exposed with Silicone Alkyd Aluminum, 71S30

E.	Paint interior of ductwork as far back as visible from outside, flat black

F.	Apply factory prime coat for pumps, fans, motors, equipment, registers, diffusers, and grilles

G.	Apply on machinery, one shop coat of metal primer and two finish coats of gray engine enamel

H.	Apply on control valve handles, one coat of lead and oil paint of color as selected

I.	Paint fire dampers with prime coat and second coat of corrosion inhibitive paint

J.	Spot prime coat marred surfaces of prime coated equipment and piping to match adjacent coat

NOTE: COORDINATE WITH "WORK INCLUDED".

4)	PIPING IDENTIFICATION

TEN

A.	Stencilling:

NOTE: STENCILLING BY HVAC CONTRACTOR

ARK

1.	Mark piping every 10 feet with size, purpose, and direction of flow and clearly stencil letters and flow arrows with flat black paint, block type letters and white background

a.	Size of stencil as follows:

(1)	Outside Diam. of Pipe = = Covering Size of Stencil = 3/4 in. - 1-1/4 in. 1/2 in. = 1-1/2 in. - 2 in. 3/4 in. = 2-1/2 in. - 6 in. 1-1/4 in. = 8 in. - 10 in. 2-1/2 in. = over 10 in. 3-1/2 in. =

NOTE: STENCILLING BY PAINTING CONTRACTOR

2.	Indicate system, size and direction of flow on piping to be stencilled by Painting Contractor. Supervise stencilling and make stencilling readable from the floor of point from which ordinarily read

ARK

3.	Perform stencilling in accordance with the latest edition ANSI A13.1

B.	Pipe Markers:

1.	Provide factory fabricated, snap-on type pipe markers with service legend and flow arrows. The pipe markers shall be the weather-proof plastic type and shall not be used where surface temperature exceeds 180 degrees

2.	The pipe markers shall be similar to Seton Name Plate Corporation "Setmark," with the following types

a.	Smaller than 6 inches: Setmark SNA, completely encircling pipe

5

(A)	inches and larger: Setmark STR, stainless steel spring fasteners

3.	Adhesive type markers will not be permitted.

TEN

5)	FOUNDATIONS

ON

A.	Foundations and concrete will be provided under General Construction Work

B.	Provide concrete as specified herein:

ART

1.	One part Portland cement, two parts fine aggregate, and four parts coarse aggregate

2.	Concrete shall be the same consistency as specified under General Construction Work

ART

3.	Provide concrete, poured in place on roughened concrete floor, cleaned and slushed with coat of cement grout. Do not pour foundation until concrete has set. Foundation shall be puddled and finished smooth

ON

C.	Hold vibration isolation and anchor bolts in position during pour. Set anchor bolts in oversized sleeves with washers and nuts at bottom. Finish bolts shall be flush with nuts on top. Foundations shall extend 6 inches beyond equipment, except as noted

D.	Provide a minimum of 4 inches concrete foundations. Provide a minimum as required for installation of J bolts for foundations under built up air handling units

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT.

PLY

E.	Forms: Provide 18-gauge galvanized steel form with welded seams and joints, cross-strip bracing welded to top and bottom angle edges and intermediate bracing welded or riveted to sides as required. Bend top and bottom edges to form 2-inch integral internal angles (bend back exposed edges)

F.	Forms: Provide moisture-resistant commercial standard fir with non-staining mineral oil interior surface coating with rounded or chamfered edges

G.	Forms: Forms will be provided under general construction work.

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT.

PLY

H.	Provide foundations for:

1.	Pumps.

2.	Fans.

3.	Air handling units and floor mounted plenums.

4.	Refrigeration equipment.

5.	Boilers.

6.	Air compressors.

7.	Floor mounted tanks.

8.	Floor mounted control panels.

9.	Motor controllers.

10.	Motors.

11.	Heat exchangers

12.	Convertors.

13.	As noted.

NOTE: COORDINATE WITH PROJECT MANAGER AND ARCHITECT. COORDINATE IN SPECIFICATION SECTION "PIPING"

6)	WATERPROOFING

NOTE: COORDINATE WITH "WORK NOT INCLUDED".

HE

A.	Waterproofing will be provided under General Construction Work

B.	Where any work pierces waterproofing, installation shall be subject to review, provide all necessary sleeves, caulking, flashing and flashing fittings required to make openings absolutely watertight

NOTE: COORDINATE WITH PLUMBING DEPT. FOR MATERIALS. COORDINATE WITH SPECIFICATION SECTION "PIPING"

HE

C.	Flashing:

EAD

1.	Provide 6 pounds lead.

2.	Provide 16 ounces lead coated copper.

3.	Provide No. 22 USSG aluminum.

EAD

4.	Provide galvanized cast iron bottom roof type fittings, similar to Josam No. 26440 or No. 26450, for piping thru roof

7)	FIELD QUALITY CONTROL

A.	Perform tests, as noted, and in the presence of Architect and/or Engineer and authorities having jurisdiction

B.	Provide required labor, material, equipment, and connections necessary for tests and submit results for review

C.	Repair or replace defective work and pay for restoring or replacing damaged work due to tests, as directed

NOTE: COORDINATE WITH PROJECT MANAGER AND OWNER AND LIST.

D.	Pay for following required services:

1.	---------------------------.

NOTE: COORDINATE WITH PROJECT MANAGER AND OWNER AND LIST.

E.	The following services are available from Owner, as directed

1.	---------------------------.

F.	Tests and instructon: Refer to specification Section ----------.

8)	CLEANING

A.	Brush and clean work prior to concealing, painting and acceptance. Perform in stages if directed

B.	Clean and repair painted exposed work, soiled or damaged, to match adjoining work before final acceptance

C.	Remove debris from inside and outside of material and equipment