4-Bid Specifications Laundry Exhaust System CRC.docx

Bid Specifications Laundry Exhaust System for Milwaukee County Community Reintegration Center Background:

The Milwaukee County Community Reintegration Center (CRC) is seeking competitive, comprehensive proposals for the removal of the existing laundry lint collection system and the design, furnishing, and installation of a new, fully integrated lint collection system to support two (2) Braun 123H Dryers.

Proposals shall include all labor, materials, equipment, engineering, design, coordination, permits, inspections, and incidentals required to provide a complete, code-compliant, fully operational system.

Scope:

Scope of Work

1. Demolition & Removal

1. Disassemble, demolish, and properly dispose of the existing lint filter system.

1. Remove all associated ductwork, including existing 24" duct runs, hangers, supports, and ceiling/roof attachments.

1. Permanently cap and seal all abandoned roof penetrations in accordance with roofing manufacturer requirements.

1. Maintain weather-tight conditions at all times during demolition and installation.

2. System Design & Performance Requirements

1. Design and install a complete lint collection system sized for two (2) Braun 123H Dryers.

1. Target system capacity: approximately 20,000 CFM (contractor to verify and engineer final sizing).

1. System shall:

2. Maintain proper dryer exhaust airflow per manufacturer specifications

2. Prevent lint accumulation within ductwork

2. Minimize static pressure losses

2. Include access for inspection and cleaning

1. Provide engineered shop drawings and calculations, including:

3. Airflow calculations (CFM)

3. Static pressure calculations

3. Fan selection and performance curves

3. Equipment & Installation

1. Provide a lint collector system.

1. Include:

1. All structural supports and equipment anchoring

1. Roof curbs and mounting systems

1. Vibration isolation

1. Weatherproof housing

1. Roof penetrations may include:

2. (2) exhaust ducts

2. (2) lint drops

2. (2) utility access ports

2. Equipment mounting supports

4. Ductwork

1. Furnish and install new ductwork connecting dryers to lint collection system.

1. Include:

1. (2) new 24" vertical exhaust ducts (or as engineered)

1. Transitions, elbows, cleanouts, and access doors

1. Fire-rated assemblies where required

1. Ductwork shall comply with:

2. SMACNA standards

2. IMC (International Mechanical Code)

2. NFPA 96 (where applicable for grease/lint exhaust systems)

1. Include:

3. Insulation (thermal and/or acoustic as required)

3. Firestopping at penetrations

3. Weatherproofing at exterior

5. Utilities (Compressed Air & Water)

1. Provide new connections to equipment:

0. Compressed air system

0. Fire suppression water supply

1. Include:

1. Isolation valves

1. Pressure regulators

1. Backflow prevention devices

1. Drain provisions

1. Identification labeling

1. All work shall comply with:

2. IPC (International Plumbing Code)

2. NFPA 13 (Fire Sprinkler Systems) where applicable

2. Local plumbing and water authority requirements

6. Fire Protection & Life Safety

1. System shall include provisions for lint fire mitigation and suppression.

1. Coordinate with:

1. Existing building fire alarm system

1. Existing fire suppression system

1. Design shall comply with:

2. NFPA 13

2. NFPA 72 (Fire Alarm Code)

2. NFPA 1 & NFPA 101 (Life Safety Code)

7. Roofing

1. Provide all roofing modifications necessary for new system installation.

1. Work includes:

1. Curbs

1. Flashing

1. Sealing

1. Insulation

1. Requirements:

2. Maintain existing roof warranty

2. Coordinate with County roofing contractor

2. Provide warranty letter confirming compliance

8. Electrical

1. Provide all electrical work required for system operation:

0. Disconnects

0. Conduit and wiring

0. Motor starters / VFDs (if required)

0. Control panels

1. Contractor shall:

1. Verify existing electrical capacity

1. Include upgrades if required

1. All work shall comply with:

2. NEC (NFPA 70)

2. Local electrical codes

9. Structural

1. Provide structural supports and reinforcement for equipment.

1. Include:

1. Equipment curbs

1. Load distribution framing

1. Requirements:

2. Structural analysis by licensed engineer

2. Stamped engineering calculations and drawings

10. Controls & Integration

1. Provide full control system including:

0. Start/stop controls

0. Emergency shutoff

0. Interlocks with dryers

0. Airflow monitoring

1. Include:

1. Alarm conditions (e.g., airflow failure, blockage)

1. Integration with existing Johnson Controls Metasys Building Automation System

11. Testing & Commissioning

1. Perform:

0. System startup

0. Air balancing

0. Functional testing

1. Provide commissioning report including:

1. Verified CFM

1. Static pressure readings

1. System performance verification

12. Training

1. Provide on-site training for CRC staff covering:

0. Operation

0. Safety procedures

0. Preventative maintenance

0. Troubleshooting basics

Project Conditions & Contractor Responsibilities

1. Contractor shall verify all field conditions prior to bidding and construction.

1. Site visits are strongly recommended.

1. Contractor is responsible for:

2. All permits and inspections

2. Coordination with County and other contractors

2. Field modifications due to existing conditions

1. No additional compensation will be provided for conditions that could have been identified during site inspection.

Submittals Contractor shall provide:

1. Shop drawings

1. Product data sheets

1. Equipment specifications

1. Structural calculations (stamped)

1. Electrical diagrams

1. Control system schematics All submittals must be approved by Milwaukee County prior to fabrication or installation.

Schedule Requirements

1. Provide detailed project schedule including:

0. Submittals

0. Procurement

0. Installation

0. Commissioning

1. Identify downtime required for dryers and coordinate with CRC operations.

1. Work may be required during off-hours to minimize disruption.

Warranty

1. Provide minimum:

0. 1-year labor warranty

0. Manufacturer warranties on all equipment

1. Contractor shall warrant:

1. System performance

1. Workmanship

1. Code compliance

Deliverables Operation & Maintenance Manuals

1. One (1) printed and one (1) digital copy including:

0. Equipment manuals

0. Wiring diagrams

0. Maintenance schedules

0. Spare parts list As-Built Drawings

1. Final installation drawings showing:

0. Duct routing

0. Equipment locations

0. Electrical connections

Alternates

1. Provide add alternate for full integration with:

0. Building Fire Alarm System

0. Fire Suppression System

1. Include:

1. Wiring

1. Devices

1. Programming

1. Testing

1. Coordination with County vendors