TEMPORARY INTERNET CONNECTION AND E-MAIL SERVICES

A. Provide continuous internet connection at Field office with broadband connection with minimum 1.5M bps.

B. Maintain e-mail address at field office with 24 hour automatic message downloading and notification.

C. At all times throughout duration the project and at the project site, Contractor must be able to send and receive electronic correspondence (e-mail). E-mail correspondence to the Contractor’s home office that is relayed to the Contractor by telephone is not acceptable. 1.11 REMOVAL

A. Arrange with utility companies and Owner, pay costs and service charges for removal of temporary utilities. Remove temporary utilities as no longer necessary for the Work. Complete removal of temporary utilities by time of Final Completion.

B. Clean, disinfect, repair damage, and perform work as necessary to restore site conditions and Owner’s utilities used to supply temporary services.

PART 2 PRODUCTS - NOT USED PART 3 EXECUTION - NOT USED

BID SET – BID #15-33 – 9 December 2015

Bassetti Project No. 14934.00 TEMPORARY HEATING, COOLING, AND VENTILATING

SECTION 015123 - TEMPORARY HEATING, COOLING, AND VENTILATING PART 1 GENERAL

1.1 SUMMARY

A. Section Includes: Temporary heating, ventilating, and conditioning of interior spaces to maintain environmental controls during construction and assist in drying.

1.2 REFERENCES

A. ASTM International (ASTM): ASTM E 84 - Standard Test Method for Surface Burning of Building Materials.

B. American Society for Heating and Refrigeration Engineers (ASHRAE): ASHRAE 15 - Safety Code for Mechanical Refrigeration.

C. American National Standards Institute (ANSI): ANSI S12.2 – Criteria for Evaluating Room Noise.

1.3 DEFINITIONS

A. Temporary HVAC Systems:

1. Heating, cooling, and desiccant dehumidification equipment.

2. Associated power cables, gas lines, temporary ducting, and accessories. 1.4 DESIGN REQUIREMENTS

A. Refrigeration System: Conform to ASHRAE 15. B. Desiccant Wheels:

1. Manufactured under ISO 9001 certification. 2. Bacteriostatic and non-toxic.

3. Glass fibers forming support matrix:

a. Made from uniform continuous strands, larger than 5 microns in diameter. b. Non-respirable.

c. Not considered a possible health risk by International Agency for Research on Cancer (IARC).

4. Conforming to iBC Class A, tested to ASTM E 84: a. Flame Spread Index: 0.

b. Smoke Developed: 10.

C. Dry Bulb Temperature and Relative Humidity:

1. Continuously monitor on each floor, using an electronic monitoring device (EMD). Record readings at 15 minute intervals, and download data to computer.

2. Deliver data printout from each EMD as requested by Architect and at Project Substantial Completion.

1.5 PERFORMANCE REQUIREMENTS

A. Conform to following performance requirements, except where requirements that are more stringent are required by work of other Sections.

BID SET – BID #15-33 – 9 December 2015

Bassetti Project No. 14934.00 TEMPORARY HEATING, COOLING, AND VENTILATING

B. Supply Air: Minimum one air change every 120 minutes. C. Filtration of Outside Air: 100 percent.

D. Temperatures: Maintain between 55 and 75degrees F. E. Relative Humidity: Maintain at or below 40 percent RH.

F. Noise Criteria Curve in Occupied Spaces: ANSI S2.2, Maximum NC 45.

1.6 SUBMITTALS

A. Submit under provisions of Section 013300. B. Shop Drawings: Components and layout, including:

1. Equipment layout

2. Duct and/or pipe routing. 3. Staging and Sequencing layouts. 4. Enclosure and barricade construction.

C. Product Data: System and components, including: 1. Climate Control Equipment.

2. Temperature and humidity controls.

3. Duct, duct accessories, pipe, and piping accessories materials and construction.

1.7 QUALITY ASSURANCE

A. Environmental Controls Company:

1. Verify temperature and relative humidity requirements for curing of concrete, gypsum joint compounds, paints, fireproofing, and other moisture emitting products. 2. Provide engineering, set up, maintenance, and break down of temporary climate

control systems using trained personnel employed directly by environmental controls company.

3. Continuously monitor Dry Bulb Temperature and Relative Humidity throughout project, using an electronic monitoring device (EMD).

a. Record readings at 15-minute intervals, and download data to computer. b. Deliver data printout from each EMD as requested by Architect and at Project

Substantial Completion. 1.8 QUALIFICATIONS

A. Environmental Controls Company:

1. Specializing in work of this Section. Able to document minimum 5 years continuous experience performing work of this Section for projects of similar size, scope, and type.

2. ISO 9001 registered.

1.9 REGULATORY REQUIREMENTS

A. Conform to regulatory requirements of Section 014100.

BID SET – BID #15-33 – 9 December 2015

Bassetti Project No. 14934.00 TEMPORARY HEATING, COOLING, AND VENTILATING

1. Listed and labeled by UL or other testing agency acceptable to authorities having jurisdiction.

2. Marked for intended use. 1.10 COORDINATION

A. Conform to Section 013113 for coordination layout and installation of temporary climate control equipment with work of other Sections.

B. Verify temperature and relative humidity requirements for curing of concrete, gypsum joint compounds, paints, and other moisture emitting products.

C. Arrange with and follow requirements of local utility companies for temporary service including electrical power.

PART 2 PRODUCTS

2.1 ENVIRONMENTAL CONTROLS COMPANY

A. Munters Corporation.

1. Web Site http://www.munters.us

B. Substitution Requests: Submit under provisions of Section 012500.

2.2 TEMPORARY COOLING UNITS

A. Size temporary cooling equipment to maintain temperatures below specified maximum. B. Provide minimum air quantities as specified by this Section.

C. Cooling equipment may be used to control humidity only under following conditions: 1. Equipment is capable of maintaining humidity at or below specified levels. 2. Ambient dew point temperatures remain above 45 degrees F.

3. Reheat coils are utilized to lower relative humidity in air stream. 2.3 TEMPORARY HEATING UNITS

A. Heater Unit Types:

1. Accepted: Electric, indirect fired combustion, and steam coil auxiliary heaters. 2. Not Accepted: Direct-fired space heaters and propane, salamander type, heaters. B. Heater Controls: Design to automatically shut off heater when:

1. Airflow is interrupted.

2. Heater or supply duct internal design temperature is exceeded.

2.4 TEMPORARY DEHUMIDIFICATION EQUIPMENT

A. Desiccant Dehumidifiers: As manufactured by Munters Corporation, solid desiccant design with single rotary desiccant wheel capable of fully automatic continuous operation.

B. Humidistat Control: Use to maintain optimum ambient relative humidity range. Do not permit ambient humidity to fall below 15 percent.

BID SET – BID #15-33 – 9 December 2015

Bassetti Project No. 14934.00 TEMPORARY HEATING, COOLING, AND VENTILATING

C. Dehumidification: Utilize 100 percent outside air. Do not recirculate air from inside building through dehumidifiers.