VA797H-17-R-0032-0006001.docx

Continuation

LOUISVILLE, KY REQUEST FOR INFORMATION (RFI) # 3

B.2 SCHEDULE OF SUPPLIES & DELIVERY:

1. Item 1 Trade-In – Soiled Monorail System Q- Clarify the existing soil sling carts are included as part of trade-in

Answer – Yes. The existing soiled sling carts are included as part of trade in equipment.

B.4 STATEMENT OF WORK:

A. Project Special Requirements:

1. Does the reference to “any changes to the building to accommodate installation of new equipment” include the successful bidding providing new reinforced concrete foundation(s) for the CWES tunnel washer and/or press extractor if the existing floor slab will not support the loading of the new equipment?

Answer – Yes. The contractor must provide new reinforced concrete foundation(s) for the CWES tunnel washer and/or press extractor if the existing floor slab will not support the loading of the new equipment.

2. Clarify that all electrical branch circuits serving the trade-in equipment being removed are to be demolished completely back to the respective sub panels, and that new power branch circuits for new equipment are to originate from existing sub panels utilizing new conduits and conductors.

Answer – Yes. All electrical branch circuits serving the trade-in equipment being removed are to be demolished completely back to the respective sub panels, and that new power branch circuits for new equipment are to originate from existing sub panels utilizing new ¾ inch conduits and conductors.

3. Para. 1 (p.13) specifies the successful bidder is responsible for the complete design and installation of new laundry equipment.

Q- If the existing TEA process water system, including the water treatment system, requires additional components and installation services (i.e. larger shaker screen, additional heat transfer plates, flow metering, heating, etc.) to make compatible with the new CWES, is the VA or successful bidder responsible for making the water system fully operational, in accordance to TEA’s specifications & local codes/regulations?

Answer – The existing TEA process water system, including the water treatment system, requires additional components and installation services (i.e. larger shaker screen, additional heat transfer plates, flow metering, heating, etc.) to make compatible with the new CWES, the successful contractor is responsible for making the water system fully operational, in accordance to TEA’s specifications & local codes/regulations.

4. Para. 3 (p.13) references the successful bidder responsible for “cleaning & repairing as needed existing drains pits/trenches.”

Q- Confirm work is limited to the existing production & non-production washing/chemical systems and cart wash drain trenches, and the 4” & 8” pipe drain(s) to the existing pit tank.

Answer – Yes. Work is limited to the existing production & non-production washing/chemical systems and cart wash drain trenches, and the 4” & 8” pipe drain(s) to the existing pit tank.

5. Para.s 6 & 7 (pp.13-14) references the successful bidder is required to “ensure optimum combustion conditions” for the new equipment system.

Q1- The laundry production areas are air conditioned. Is the minimum required method/means to provide optimum combustion conditions for the new CWES production dryers to provide new insulated/PVC jacketed outside supply air ducts with damper to the machine combustion burner assemblies; and interconnect motorized damper control to each dryer?

Answer – Yes. The minimum required method/means to provide optimum combustion conditions for the new CWES production dryers to provide new insulated/PVC jacketed outside supply air ducts with damper to the machine combustion burner assemblies; and interconnect motorized damper control to each dryer.

Q2- Are motorized louver/dampers required to be installed in the outside make-up supply air ducts for the CWES production dryers with controllers interconnected to each dryer, respectively?

Answer – Yes. Motorized louver/dampers are required to be installed in the outside make-up supply air ducts for the CWES production dryers with controllers interconnected to each dryer.

6. Para. 11 (p.14) References new equipment installed in the facility and the roof “shall be supported/anchored in accordance with stated seismic zone requirements.

Q- As part of the 45-day drawing submittals, will the VA require inclusion of structural drawings and design calculation information prepared and sealed by a registered professional engineer for each equipment system being furnished and installed (i.e. all roof/floor loadings and structural support design, including the specific seismic equipment and utility anchorage calculations for the monorail systems, CWES washing/drying system, non-production dryers, clean conveyor(s), folders and flow rack)?

Answer – Yes. As part of the 45-day drawing submittals, the VA requires inclusion of structural drawings and design calculation information prepared and sealed by a registered professional engineer for each equipment system being furnished and installed (i.e. all roof/floor loadings and structural support design, including the specific seismic equipment and utility anchorage calculations for the monorail systems, CWES washing/drying system, non-production dryers, clean conveyor(s), folders and flow rack).

7. Trade-in existing soil and clean conveyor & monorail systems:

Q1- The specifications require removal of the overhead monorail system being traded in. Is it a requirement to demolish and remove all components including the steel hanging supports & mechanical attachments from building beams/columns, all bracing, floor supports complete in all respects, and patch/paint where attachments are removed?

Answer – Yes. It is a requirement to demolish and remove all components including the steel hanging supports & mechanical attachments from building beams/columns, all bracing, floor supports complete in all respects, and patch/paint where attachments are removed.

Q2- Is it a requirement to demolish all power circuits serving the monorail system back to the respective subpanel; as well as, completely demolish all monorail interconnection control wiring & raceways?

Answer – Yes. It is a requirement to demolish all power circuits serving the monorail system back to the respective subpanel; as well as, completely demolish all monorail interconnection control wiring & raceways.

B. General Installation Requirements:

1. Backflow Preventers (p.22)

Q1- In addition to the two types listed, is the minimum specification for the backflow preventer device required for the drying systems fire suppression water source to be a reduced pressure principal type with bronze body, double check valves, shut-off valves, test cocks, and y-strainer?

Answer – Yes. It is requirement for the backflow preventer device required for the drying systems fire suppression water source to be a reduced pressure principal type with bronze body, double check valves, shut-off valves, test cocks, and y-strainer.

Q2- Is the successful bidder required to submit a testing certificate(s) for each new backflow preventer installed?

Answer – Yes. The contractor is required to submit a testing certificate(s) for each new backflow preventer installed to the inspectors at final inspection.

2. Shock or Water Hammer Arrestors (p.23) Q- Are new arrestor assemblies required to be installed at each process water point of connection to new equipment?

Answer – Yes. New arrestor assemblies are required to be installed at each process water point of connection to new equipment.

3. Within the laundry building, grooved and mechanical fittings are present on piping. Many machines typically have such type fittings.

Q1- Is copper tubing and schedule 10 stainless steel tubing with rolled-type, mechanical-type press fit fittings permissible for installing new process water piping systems?

Answer – Yes. Copper tubing and schedule 10 stainless steel tubing with rolled-type, mechanical-type press fit fittings are permissible for installing new process water piping systems.

Q2- Are copper press-fit type pipe fittings permitted for compressed air copper piping?

Answer – Yes. Copper press-fit type pipe fittings are permitted for compressed air copper piping.

4. Is PVC/CPVC piping with solvent-welded fittings permitted for exposed, above-grade washer vents?

Answer – Yes. PVC/CPVC piping with solvent-welded fittings are permitted for exposed, above-grade washer vents.

5. Is it a requirement to provide new EMT conduit raceways between the existing chemical pumping area and the new washing equipment for others to install new chemical signal wiring?

Answer – Yes. It is a requirement to provide new EMT conduit raceways between the existing chemical pumping area and the new washing equipment for others to install new chemical signal wiring.

6. Existing building automatic sprinkler system and fire alarm system

Q- Is it a requirement that any modifications to the existing automatic sprinkler system and/or fire alarm work (i.e. dryer fire suppression switch signaling, call panel modifications, etc.) required to install the equipment system shall be performed by licensed contractor(s) at the successful bidder’s expense and contractor(s) shall be pre-approved by the COR to perform the work?

Answer – Yes. Is it a requirement that any modifications to the existing automatic sprinkler system and/or fire alarm work (i.e. dryer fire suppression switch signaling, call panel modifications, etc.) required to install the equipment system shall be performed by licensed contractor(s) at the successful contractors expense and contractor(s) shall be pre-approved by the COR to perform the work.

7. Please confirm if IMC raceways for power is required within 8-feet of finish floor, and EMT above; and that IMC raceways for power are required in hazardous areas as like required for similar VA laundry installations following the VA Construction Specifications.

Answer – Yes, confirmed. IMC raceways for power is required within 8-feet of finish floor, and EMT above; IMC raceways for power are required in hazardous areas as like required for similar VA laundry installations following the VA Construction Specifications.

8. The Laundry B7 has an existing lightning protection system.

Q- Is it a requirement to provide new air terminals and bonding conductors for all roof-mounted equipment & ductwork installed under this project, and be incompliance with UL & NFPA codes? Does the VA require the lightning protection contractor performing the work to be licensed for UL rated installation work?

Answer – Yes. It is a requirement to provide new air terminals and bonding conductors for all roof-mounted equipment & ductwork installed under this project, and be incompliance with UL & NFPA codes. VA requires the lightning protection contractor performing the work to be licensed for UL rated installation work.

B.5 LIST OF DELIVERABLES:

1. Para A (pp. 30-31) 45-day Drawing & Room Preparation Instructions.

Q1- Are the 45-day installation design drawings and as-built drawings required to be sealed by a registered professional architect/engineer?

Answer – Yes. The 45-day installation design drawings and as-built drawings are required to be sealed by a registered professional architect/engineer.

Q2- With the anticipated impact to the existing building utilities likely required by this acquisition, does the VA require the successful bidder to include 1) Btu heat radiation & air balance volumes design load information & calculations on the building HVAC system; 2) the three-phase powerline details; and 3) the natural gas load calculations?

Answer – Yes. The VA requires the successful contractor to include 1) Btu heat radiation & air balance volumes design load information & calculations on the building HVAC system; 2) the three-phase powerline details; and 3) the natural gas load calculations.

2. Drawing and Room Preparation Instructions – Because this acquisition requires architectural, structural, mechanical & electrical engineering design, are the 45-Day Design Drawings to include typical design information furnished for past large system projects? If yes, is the following considered the minimum applicable requirement?

>Existing trade-in equipment demolition information;

>New equipment set-out information including seismic anchorage details;

>Monorail System installation information and applicable component details, clearance details, structural support system information & engineer’s calculations including seismic design for bracing;

>Architectural demolition & new work information and applicable details, sections, elevations >Structural new work information and applicable details, sections, elevations;

>Mechanical plumbing & pressure piping demolition & installation information, details, equipment utility connection schedule/details;

>Mechanical HVAC demolition & new work installation information, details, equipment connection schedule/details, fan/louver/register schedules; and, >Electrical demolition & new work installation information, details, equipment connection details, panel schedules for existing and new work, power load calculation & new lighting fixtures details.

Answer – Yes. The above listed is the minimum required for all drawings.

ATTACHMENT – TECHNICAL/PERFORMANCE SPECIFICATIONS:

1. ITEM #1 – SOIL STORAGE/SORTING & SOIL MONORAIL SYSTEM(S)

a. Para 1B (p.3) States Soil Storage [design capacity] shall be based on a minimum of 30% and a maximum of 40% of the daily wash system production.

Q1- Is it a requirement to indicate the location(s) of the “full soil slings in storage” on the proposal layout to confirm system offered meets the minimum classified storage specification?

Answer – Yes. - It is a requirement to indicate the location(s) of the “full soil slings in storage” on the proposal layout to confirm system offered meets the minimum classified storage specification.

Q2- Are conveyors with undersides exposed to operators to have removable guards that fully enclose the underside?

Answer – Yes. Conveyors with undersides exposed to operators to have removable guards that fully enclose the underside of the conveyors as required by OSHA.

b. Clarify the two existing Washex non-production washer extractors shall be “semi-automatically” sling loaded with manual attention.

Answer – Yes. The two existing Washex non-production washer extractors shall be “semi-automatically” sling loaded with manual attention.

c. Is automatic soil sling paring required for CWES production management?

Answer – Yes. Automatic soil sling paring is required for CWES production.

d. What is the minimum number of new classified sling storage rails required for automatically sling loading the CWES tunnel washer: two or three?

Answer – Three is the minimum number of new classified sling storage rails.

e. Is it the responsibility of the successful bidder to relocate the existing overhead Energenics lint scrubber to accommodate the new soil sorting system?

Answer – Yes. The successful contractor shall relocate the existing overhead Energenics lint scrubber to accommodate the new soil sorting system.

f. Para 9 (p.2) States “the existing sorting/monorail support structure [i.e. steel beams, threaded rod supports & sway bracing] can be reutilized with new design.”

Q- Is the VA suggesting that the existing building structure is capable of supporting loads of the successful bidders’ equipment and will accept all design/installation costs to provide additional reinforcement if required?

Answer – No. The VA is not suggesting that the existing building structure is capable of supporting loads of the successful contractor’s equipment. It is the contractor’s responsibility to provide all design and installation costs and provide additional reinforcement if required.

g. Para 1B 15. Empty Sling Bag Storage

Q- Is it a requirement to indicate the location and storage capacity of the designated Empty Bag Storage System on the proposal layout to confirm where and how many empty sling assemblies will be stored when the monorail system is completely emptied?

Answer – Yes. It is a requirement to indicate the location and storage capacity of the designated Empty Bag Storage System on the proposal layout to confirm where and how many empty sling assemblies will be stored when the monorail system is completely emptied.

h. Para d 8. (p.2) Sorting Platform

Q- Are 3-1/2" tall toe boards required on all open sides of the platform (excluding openings); and must platform comply with OSHA Std. 1910 Subpart D: Walking Working Surfaces requirements?

Answer – Yes. 3-1/2" tall toe boards are required on all open sides of the platform (excluding openings); and must comply with OSHA Std. 1910 Subpart D: Walking Working Surfaces requirements.

i. Para 16 (p.6) System Electro/Pneumatic Information

Q- Is the 3-phase power & 120v control and compressed air utility connection detail information for all soil & clean material handling monorail & conveyor equipment provided required to be included in the 45-day installation design drawings for VA review and approval prior to commencing installation work?

Answer – Yes.

1. ITEM #2 – CONTINUOUS WASH EXTRACT TUNNEL SYSTEM

a. Para. 1B p (p.6) tunnel loading chute camera

Q- In addition to the specified load chute camera, are additional remote cameras required to view operational statuses of the 1) press, 2) dryer loading system, 3) drying system, and 4) dryer unloading system? If yes, what is the minimum number of cameras required: four (4)?

Answer – Yes. Four are required.

b. Para. 1B i (p.6) Remote screen in manager’s office

Q- What is the minimum size of the flat screen and is it to be desk- or wall-mounted?

Answer – Minimum 32-inch flat screen is required and should be wall mounted.

c. Para. 1C p (pp. 8 & 10) CWES safety enclosure(s) required

Q- Are all on-site assembled machine safety enclosures provided for the new CWES to be OHSA 1910.212(a) compliant?

Answer – Yes. All on-site assembled machine safety enclosures provided for the new CWES will be OHSA 1910.212(a) compliant

d. Para. 1C f (p.7) Extractor Press controls

Q- Is the specified colored touch control screen to include 3D graphics similar to past VA installations?

Answer – Yes.

e. Para.1C g (p.7) press automatic hydraulic cooling system

Q- Is the cooling system to be water-type or forced air-type?

Answer – Water type.

f. Para 1F 9p.9) Item heading makes references “Non-Production Dryer”

Q- Clarify Specification Section 1F does or does not include separate non-production type drying/conditioning equipment.

Answer – This was a typo error. Does not include non-production type drying and conditioning equipment.

g. Para. 1F m (p.11) CWES drying system external dry-type lint collection required

Q1- Can additional specifications be provided to describe requirements for the lint collection system.

Answer – External to the dryer lint collection is required.

Waste Managed, Automated External Lint Collection System: Furnish and install minimum one (1) each lint collection system for each bank of dryers. All lint collectors shall recover a minimum of 95 percent of lint discharged. A secondary type lint collector is acceptable in order to recover 95 percent of lint discharged. The lint collector(s) shall be constructed of rust resistant, weatherproof, heavy gauge stainless steel or fire-retardant compound. The outside of the lint collector shall be equipped for suspension indoors or outdoors. The lint collection area shall be accessible for service and internally accessible for service and replacement of parts through an inspection door.

The lint screen shall be constructed of fire resistant material. This screen shall be capable of being easily removed, machine washed, and reinstalled with minimum effort.

The lint collector control shall be 120 vac. The control shall be manufactured with components that are user serviceable, and parts shall be easily available through local sources.

The lint collector shall include a fire control consisting of a 1 inch solenoid valve, a visible alarm light, audible alarm, and a fire sensor. The control shall have an automatic reset feature.

Each collector shall have a minimum of two spray mechanisms, 1/2 inch diameter each, to be utilized for fire control.

A flow alarm shall be installed in the fire suppression system and connected to a rotary LED light (colored RED) and audible alarm, located throughout the textile care processing plant to indicate if a fire exists in the lint collector. The beacon light shall continually flash, allowing constant observations.

Dryers and lint collectors shall be insulated for sound and shall not discharge noise levels in excess of 85 decibels. Measurement of these levels will be taken at employee work stations.

Q2- Is lint collection required at one central location, or at each CWES dryer?

Answer – Lint collection is required from one central location.

h. Para 1F pp (p.12) Means of motor removal

Q. Is an I-beam rated @ 1,000 pounds capacity for use with a hoist to be provided with the new press extractor for maintenance?

Answer – Yes. An I-beam rated @ 1,000 pounds capacity for use with a 1,000 pound electric hoist to be provided with the new press extractor for maintenance.

2. ITEM #3 – 120/125 LB. DRYERS

a. Para. b (p.13) Are new GFI power receptacles required at each equipment location?

Answer – Yes. New 4-plex GFI power receptacles required at each equipment location for the mechanics use.

b. Para I (p.13) Specification requires dryers to be exhausted to building exterior [up through roof].

Q- Is it the intent of the specification to demolish the old existing plenum duct and extend new individual machine vents up through the roof to the building exterior?

Answer – Yes. The contractor is required to demolish the old existing plenum duct and extend new individual machine vents up through the roof to the building exterior.

c. Para. M (p.13) Specification requires new fire suppression flow switch alarm to be interconnected to the existing fire alarm panel. Code typically requires new circuit to have a separate zone installed for “flow”.

Q- Is provision for installing a new fire alarm system zone for new flow switch required?

Answer – Yes.

Same with new valve tamper switch(s) if provided?

Answer – Yes.

3. ITEM #4 – SMALL PIECE FOLDERS

a. Para i (p.14) Specification states folders to have a “rear conveyor discharge to the clean linen take-away conveyor.”

Confirm caster reference to “return to feed conveyor” in Para h is a typo.

Answer – Due to the high volume of linen being discharged to the existing clean take-away conveyor, small piece folders can be return to feed if aligned with the take away conveyor to allow employees to place linen on the conveyor. Small piece folders shall be located along side of the take away conveyor.

4. ITEM #5 – CLEAN TAKEAWAY CONVEYOR

a. Para. 1 (p.31) states conveyor shall be capable of receiving and automatically separately transporting textile stacks from all finishing areas to cart assembly areas without manual attention.

Q- Is a live roller type conveyor required for accumulating stacks at the flatbelt conveyor discharge location?

Answer – Yes. A live roller type conveyor is required for accumulating stacks at the flat-belt conveyor discharge location.

5. ITEM #6 – LINEN STORAGE FLOW RACK

a. The concrete floor slabs in the clean production & linen distribution areas are located over crawl space areas.

Q- Is it a requirement for the successful bidder to furnish & install reinforcement and bracing to the existing floor slab(s) if determined necessary by structural engineer to carry additional loading of the new flow rack?

Answer – Yes. It is a requirement for the successful contractor to furnish & install reinforcement and bracing to the existing floor slab(s) if determined necessary by structural engineer to carry additional loading of the new flow rack.

6. ITEM #7 – CLEAN MONORAIL

a. Para 1A (p.16) Specification states spur rails are to be provided for transporting linen sling bags to listed processing stations.

Clarify work stations include: (2) existing ironing systems; (2 new & 1 existing) small piece folders; (1) existing blanket folder; and (2) existing hand folding stations.

Answer – Yes. Work stations include: (2) existing ironing systems; (2 new & 1 existing) small piece folders; (1) existing blanket folder; and (2) existing hand folding stations.

b. Para 1A.a (p.16) System capacity shall be 30%-40% of daily wash production.

Q1- Is it a requirement to indicate the location(s) of the “full clean slings in storage” on the proposal layout to confirm system offered meets the minimum classified storage specification?

Answer – Yes. It is a requirement to indicate the location(s) of the “full clean slings in storage” on the proposal layout to confirm system offered meets the minimum classified storage specification.

Q2- Is it a requirement to indicate the location and storage capacity of the designated Empty Bag Storage System on the proposal layout to confirm where and how many empty sling assemblies will be stored when the monorail system is completely emptied?

Answer – Yes. It is a requirement to indicate the location and storage capacity of the designated Empty Bag Storage System on the proposal layout to confirm where and how many empty sling assemblies will be stored when the monorail system is completely emptied.

c. Para 1A.i minimum requirements

Q- Are VA logos graphic specified for soil sling required on the clean slings?

Answer – Yes. VA logos graphic is specified for soil sling required on the clean slings