MDOC HVAC STANDARDS-1.10.25.docx

HVAC Standard Specifications DIVISION 23 – Heating, Ventilating, and Air Conditioning

GENERAL STANDARDS

1. All new equipment to be on-site before removing existing equipment.

1. All room sensors in prisoner occupied areas shall be a flat metal plate wall sensor not controlled by room occupants only from the BAS. (Trane Aspiration box or equal).

1. BAS systems to be locally controlled on the campus through the black network, not accessible remotely off campus.

1. Provide a minimum of one weeks’ notice before all shutdowns.

1. When replacing boilers contractor shall sequence the work to allow for a backup boiler throughout the project or have a temporary boiler on standby.

1. If replacing a chiller in critical areas, contractor to provide a temporary chiller during construction.

1. Exposed piping on roof to have a Painted Aluminum, Stucco Embossed, 0.020-inch-thick field applied jacket.

1. All fasteners used in areas exposed to inmates shall use tamperproof screws.

1. Contractor to maintain heat in the building during construction if work is being completed during the heating season.

1. Contractor to provide a detailed construction schedule and update the schedule weekly. Contractor to submit the updated schedule to the project team (Facility, PTC, DTMB, and MDOC) weekly to coordinate escort requirements.

1. When conducting roof work the contractor shall maintain any existing warranties on the roof.

1. Contractor to notify the facility at least 1 day in advance for any hot work to allow the owner to disable the fire alarm.

1. Access panels to be high security 10 gage with a knockout for a lock. Owner will provide their own lock for the access panel.

MECHANICAL PIPING STANDARDS

0. LOW PRESSURE STEAM PIPING APPLICATIONS

0. LP Steam Piping, NPS 2 and Smaller: Schedule 40, Type S, Grade B, steel pipe; Class 150 cast-iron fittings; and threaded joints.

0. LP Steam Piping, NPS 2-1/2 through NPS 12: Schedule 40, Type E, Grade B, steel pipe; Class 150 wrought-steel fittings, flanges, and flange fittings; and welded and flanged joints.

0. Steam Condensate piping above grade, NPS 2 and smaller, shall be the following:

2. Schedule 80, Type S, Grade B, steel pipe; Class 150 cast-iron fittings; and threaded joints.

0. Steam Condensate piping above grade, NPS 2-1/2 and larger, shall be the following:

3. Schedule 80, Type E, Grade B, steel pipe; Class 150 wrought-steel fittings, flanges, and flange fittings; and welded and flanged joints.

0. HIGH PRESSURE STEAM PIPING APPLICATIONS

1. All boiler room piping must be A106 seamless, all blowdown piping must be A106 seamless and have 3000# couplings, schedule 80, this can be welded or threaded and the 3000# couplings are the only ones that can be back welded.

1. HP Steam Piping, NPS 2 and Smaller: Schedule 80, Type S, Grade B, steel pipe; Class 150 cast-iron fittings; and threaded joints.

1. HP Steam Piping, NPS 2-1/2 through NPS 12: Schedule 80, Type E, Grade B, steel pipe; Class 150 wrought-steel fittings, flanges, and flange fittings; and welded and flanged joints.

1. Condensate piping above grade, NPS 2 and smaller, shall be the following:

3. Schedule 80, Type S, Grade B, steel pipe; Class 125 cast-iron fittings; and threaded joints.

1. Condensate piping above grade, NPS 2-1/2 and larger, shall be the following:

4. Schedule 80, Type E, Grade B, steel pipe; Class 150 wrought-steel fittings, flanges, and flange fittings; and welded and flanged joints.

0. Hydronic Piping Hot Water, NPS 2 and Smaller: Aboveground, use Type L drawn-temper copper tubing with soldered joints or pressure-seal-joint fittings or Schedule 40 steel pipe with threaded joints or pressure-seal-joint fittings.

Hot Water, NPS 2-1/2 and Larger: Schedule 40 steel pipe with welded, flanged, or grooved mechanical-joints.

0. OUTDOOR NATURAL GAS PIPING

Retain and revise applicable piping applications. Coordinate with materials specified in Part 2. Retain multiple materials for Contractor's option.

Retain "one of" option in first paragraph below to allow Contractor to select piping materials from those retained.

Underground natural-gas piping shall be the following:

PE pipe is available in NPS 1/2 to NPS 16 (DN 15 to DN 400), maximum NPS 2 (DN 50) in 1000-foot (305-m) rolls.

PE pipe and fittings joined by heat fusion, or mechanical couplings; service-line risers with tracer wire terminated in an accessible location.

PE Pipe: ASTM D 2513, SDR 11.

PE Fittings: ASTM D 2683, socket-fusion type or ASTM D 3261, butt-fusion type with dimensions matching PE pipe.

PE Transition Fittings: Factory-fabricated fittings with PE pipe complying with ASTM D 2513, SDR 11; and steel pipe complying with ASTM A 53/A 53M, black steel, Schedule 40, Type E or S, Grade B.

Retain "one of" option in first paragraph below to allow Contractor to select piping materials from those retained.

Aboveground natural-gas piping shall be one of the following:

Schedule 40 steel pipe with malleable-iron fittings and threaded joints.

Schedule 40 steel pipe with wrought-steel fittings and welded joints.

Practical size limit for copper is NPS 4 (DN 100) because joints are difficult to heat evenly for brazing.

Indicate extent of containment conduit on Drawings. Containment conduit is required for piping with insufficient depth of bury.

0. INDOOR NATURAL GAS PIPING SCHEDULE FOR SYSTEM PRESSURES LESS THAN 0.5 PSIG

Retain and revise applicable piping applications. Coordinate with materials specified in Part 2.

Retain "one of" option in first paragraph below to allow Contractor to select piping materials from those retained.

4. Aboveground, branch piping NPS 1and smaller shall be one of the following:

Contact authorities having jurisdiction and verify approval before specifying corrugated stainless-steel tubing.

Tin-lined copper tube in first subparagraph below is available in 1/4- to 5/8-inch (6.3- to 15.8-mm) OD and is equivalent to NPS 1/8 to NPS 1/2 (DN 6 to DN 15).

0. Schedule 40 steel pipe with malleable-iron fittings and threaded joints.

Retain "one of" option in first paragraph below to allow Contractor to select piping materials from those retained.

4. Aboveground, distribution piping shall be one of the following:

Schedule 40 Schedule 40 Schedule 40 Authorities having jurisdiction may require welded steel pipe at different sizes and pressures.

1. Schedule 40 steel pipe with malleable-iron fittings and threaded joints.

1. Schedule 40 steel pipe with wrought-steel fittings and welded joints.

0. INDOOR NATURAL GAS PIPING SCHEDULE FOR SYSTEM PRESSURES MORE THAN 0.5 PSIG AND LESS THAN 5 PSIG Retain and revise applicable piping applications. Coordinate with materials specified in Part 2.

Retain "one of" option in first paragraph below to allow Contractor to select piping materials from those retained.

5. Aboveground, branch piping NPS 1 and smaller shall be one of the following:

Verify acceptability of corrugated stainless-steel tubing with authorities having jurisdiction before retaining first subparagraph below.

Tin-lined copper tube in first subparagraph below is available in 1/4- to 5/8-inch (6.3- to 15.8-mm) OD and is equivalent to NPS 1/8 to NPS 1/2 (DN 6 to DN 15). Retain if branch piping is NPS 1/2 (DN 15) or smaller; delete if branch piping larger than NPS 1/2 (DN 15) is required.

0. Steel pipe with malleable-iron fittings and threaded joints.

Retain "one of" option in first paragraph below to allow Contractor to select piping materials from those retained.

5. Aboveground, distribution piping shall be one of the following:

Authorities having jurisdiction may require welded steel pipe at different sizes and pressures. Verify size break and insert sizes to suit Project.

1. Steel pipe with malleable-iron fittings and threaded joints.

1. Steel pipe with steel welding fittings and welded joints.

0. INDOOR NATURAL GAS PIPING SCHEDULE FOR SYSTEM PRESSURES MORE THAN 5 PSIG

Retain and revise applicable piping applications. Coordinate with materials specified in Part 2.

6. Aboveground Piping: Maximum operating pressure more than 5 PSIG.

6. Aboveground, Branch Piping: Steel pipe with steel welding fittings and welded joints.

Retain "one of" option in first paragraph below to allow Contractor to select piping materials from those retained.

6. Aboveground, distribution piping shall be the following:

2. Steel pipe with steel welding fittings and welded joints.

0. HOT AND CHILLED WATER PIPING APPLICATIONS

7. Hot and Chilled Water, NPS 2 and Smaller: Aboveground, use Type L drawn-temper copper tubing with soldered joints or Schedule 40 steel pipe with threaded joints.

7. Hot and Chilled Water, NPS 2-1/2 and Larger: Schedule 40 steel pipe with welded, flanged, or grooved mechanical joints.

7. Condensate Drain Lines: Type L drawn-temper copper tubing with soldered joints.

0. AIR CONDITIONING UNITS

1. Data Rooms

1. Liebert

1. Wall Mounted Data Mate – Split System 1st option

1. Ceiling Mounted Mini Mate – Split System 2nd option

0. STARNET2 SYSTEM

A. If no Building Automation System on campus: All boiler alarms to be connected to Starnet2 System. Only one master alarm to be connected to the Starnet2 System that will cover all alarms for the system.

B. If there is a Building Automation System on campus: All Building Automation System control alarms to be connected to the Starnet2 System. Only one master alarm to be connected to the Starnet2 System that will cover all alarms at the facility.

0. APPROVED CONTROL CONTRACTORS

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Trane (Corporate).

b. Johnson Controls (Corporate), Metasys.

c. Honeywell (Corporate), Excel 5000.

d. Siemens (Corporate).

B. If a campus already has a Building Automation System installed the same controls contractor shall be used for future project on the campus unless it is a complete controls replacement.

C. When installing new building controllers, each building shall have at least one control panel that has a touch screen that allows maintenance personnel to access the Building Automation System for the entire building without having to bring in a laptop.

0. CHEMICAL TREATMENT

A. Chemical Shot feeder are required. Label Chemical Shot feeder.

B. Provide sample port by chemical shot feeder. Sample port to be 0.5” pipe with ball valve and cap. Label piping “Sample port”.

0. FUEL MONITORING CONTROLS

A. The controller must be capable of monitoring all fuel oil storage tanks and the generator day tank.

a. Controller is to be cable of receiving alarms from the generator day tank.

B. The controller must contain an LED screen (screen interface) to allow for active in-person monitoring.

C. The controller must be capable of being hardwire through a CAT-6 connection to the Facility’s dark security network.

D. The controller must be capable of providing hardcopy status printouts on a timely schedule for the Facility to document records of the system.

E. The controller must be capable of providing audio/visual alarms as well as sending alarm output through the CAT-6 connection to the Facility’s network.

a. Controller to be capable of data logging for all past alarms to be reviewed and evaluated.

b. Controller must be capable of utilizing alarm contacts as outputs to send alarms signals to the Facility’s network and to control external devices (day tank supply/return pumps, solenoid valves, etc.)

c. The controller must be capable of releasing the alarm contact once conditions are returned to the normal operating status.

F. The controller must be capable of monitoring the following:

a. Each fuel tank fuel level

b. Each fuel tank high fuel alarm

c. Each fuel tank low fuel alarm

d. Each fuel tank leak detection

e. Flow control valve status (required only for multiple fuel tanks)

i. Must monitor both the supply and return control valve status

f. Day tank supply/return pump status

g. Day tank supply/return pump alarm

h. Day tank low fuel alarm.

G. Controller to be capable of inputting additional logic to sequence outputs/actions based on monitored/sensed conditions.

H. Controller to be UL/cUL listed.

0. BOILER/DOMESTIC WATER HEATER VENT PENETRATIONS THRU ROOF

I. All vents to go up through a roof curb with a boot and collar on top of curb.

0. SHOWER ROOM AND STAFF TOILET ROOM EXHAUST REQUIREMENTS

J. Exhaust to be 3 times the latest Michigan Mechanical Code requirements.

0. MAKEUP WATER

K. Totalizer water meter with local display to be installed on make up water line.

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