H29.REV

HEATING, VENTILATING AND AIR CONDITIONING

NOTE: FINAL COPY: JANUARY, 1987.

Part 1 -	GENERAL

1)	WORK INCLUDED

A.	Work included 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

1.	Air handling equipment.

2.	Sheet metal work.

3.	Insulation.

4.	Air outlets and terminal equipment.

5.	Automatic controls.

NOTE: OMIT IF LOUVERS AND SCREENS ARE PROVIDED BY GENERAL CONTRACTOR

6.	Outside air intake and exhaust discharge louvers and screens

2)	RELATED WORK AND REQUIREMENTS

A.	Requirements of GENERAL CONDITIONS, DIVISION NO. 1 and Section GENERAL PROVISIONS FOR HEATING, VENTILATING AND AIR CONDITIONING WORK apply to all work in this Section

NOTE: EDIT TO SUIT PROJECT REQUIREMENTS. INCLUDE ONLY SECTIONS DIRECTLY AFFECTING WORK OF THIS SECTION

B.	Related work in the following Sections:

1.	SHEET METAL WORK.

2.	AIR HANDLING SYSTEM EQUIPMENT.

3.	AIR DISTRIBUTION SYSTEM EQUIPMENT.

4.	INSULATION.

5.	MOTORS.

6.	MOTOR CONTROLLERS.

7.	AUTOMATIC CONTROL SYSTEM.

8.	VIBRATION ISOLATION.

9.	NOISE CONTROL.

10.	BALANCING AIR AND WATER SYSTEMS.

11.	-----.

3)	REFERENCE STANDARDS

A.	Published Specifications' standards, tests or recommended methods of trade, industry or governmental organizations apply to work in this Section

B.	Comply with all applicable national, state and local codes and refer to Section GENERAL PROVISIONS FOR HEATING, VENTILATING AND AIR CONDITIONING WORK for additional Reference Standards

4)	QUALITY ASSURANCE

A.	Install systems in accordance with the requirements of authorities having jurisdiction, local codes and insurance underwriters

B.	Filter outdoor air and recirculated air.

C.	Air distribution shall be uniform temperature and humidity. Air movement shall be without objectionable drafts or noise. Air velocities over 50 fpm in zone from floor level to 6 feet above floor shall be considered

D.	For maximum noise levels refer to Section NOISE CONTROL.

E.	For vibration refer to Section VIBRATION ISOLATION.

F.	Refer to Section GENERAL PROVISIONS FOR HEATING, VENTILATING AND AIR CONDITIONING WORK for Guarantee and other Quality Assurance requirements

5)	PERFORMANCE

NOTE: IF JOB HAS SYSTEMS HAVING PERFORMANCE DIFFERENT FROM A. SUCH AS CONSTANT TEMPERATURE ROOMS, OPERATING ROOMS, ETC. PERFORMANCE OF EACH SHOULD BE COMPLETELY SPECIFIED UNDER SEPARATE PERFORMANCE SUB-PARAGRAPH, HEREIN

A.	Summer: when outdoor conditions are not exceeded, systems shall maintain noted indoor conditions

B.	Winter:

1.	When outdoor temperature is not exceed, systems shall maintain noted indoor temperature

NOTE: FOR SYSTEMS MAINTAINING HUMIDITY DURING WINTER.

2.	Systems shall maintain noted indoor relative humidity at noted outdoor temperature

Part 2 -	PRODUCTS

1)	SHEET METAL WORK

A.	Refer to Section SHEET METAL WORK.

2)	AIR OUTLETS AND TERMINAL EQUIPMENT

A.	Refer to Section AIR DISTRIBUTION SYSTEMS.

3)	LOUVERS AND SCREENS

A.	Refer to Section SHEET METAL WORK.

4)	AIR HANDLING SYSTEM EQUIPMENT

A.	Refer to Section AIR HANDLING SYSTEM EQUIPMENT.

5)	INSULATION

A.	Refer to Section INSULATION.

6)	MOTORS

A.	Refer to Section MOTORS.

7)	MOTOR CONTROLLERS

A.	Refer to Section MOTOR CONTROLLERS.

8)	AUTOMATIC CONTROLS

A.	Refer to Section AUTOMATIC CONTROL SYSTEMS.

9)	VIBRATION ISOLATION

A.	Refer to Section VIBRATION ISOLATION.

10)	NOISE CONROL

A.	Refer to Section NOISE CONTROL.

11)	BALANCING AIR AND WATER SYSTEMS

A.	Refer to Section BALANCING AIR AND WATER SYSTEMS.

Part 3 -	EXECUTION

1)	FIELD QUALITY ASSURANCE

A.	Tests and instruction.

NOTE: TIME REQUIREMENTS MAY VARY FROM 15 DAYS TO 2 DAYS DEPENDING ON COMPLEXITY AND SIZE OF SYSTEM. EACH PROJECT SHALL BE SEPARATELY EVALUATED AND SPECIFIED ACCORDINGLY

1.	Operate systems, during ----- consecutive 10 hour working days

2.	Each operation period considered a trial run test, minimum 2 required

3.	Obtain signed time slips from Owner or Owner's representative

4.	Obtain approval of Owner, or Owner's representative at least 5 days before each trial run test

5.	During tests, supply continuous services of competent operator in instruct Owner's representative in operating systems to obtain maximum efficiency

6.	Supply instruction booklets.

2)	SCHEDULES

NOTE: LIST SPECIAL CONDITIONS SEPARATELY

A.	Indoor conditions:

1.	Summer: ------ deg F any bulbs; ------ percent relative humidity for air conditioned spaces

2.	Summer: Maximum ----- deg F dry bulb for ventilated spaces.

3.	Summer: -------

4.	Winter: ------- deg F dry bulb; ------- percent relative humidity for air conditioned spaces

5.	Winter: ------- deg F dry bulb; for heated and ventilated spaces.

6.	Winter: -------

NOTE: REVIEW FOR EACH PROJECT. FOR COOLING TOWERS, USE 2 DEGREES ABOVE THE SUMMER 1 PERCENT WET BULB IN LARGE CITIES AND 1 DEGREE ABOVE THE SUMMER 1 PERCENT WET BULB VALUE IN SMALLER CITIES

B.	Outdoor conditions:

1.	Winter: ASHRAE 99 percent values (column 5) unless otherwise noted.

2.	Summer: ASHRAE 2 1/2 percent dry bulb (column 6) and wet bulb (column 8) values, unless otherwise noted