Attachment 21 STB Reno Q and A Log2 5.18.23.6.05.23.pdf

No. Question Response

A‐202: Note #7 for openings 116 & 118 These doors are not on the door or hardware schedules, but are noted to be replaced. Need a direction to move forward.

(DUPLICATE QUESTION FROM Q&A Log #1)

See attached updated drawing A.402 and specifications section 087100 for added doors/hardware for 116 and 118.

Wood Doors: Drawings and Specs only note to match existing.

What is existing?

(DUPLICATE QUESTION FROM Q&A Log #1)

Existing doors appear to red oak (slip matched veneer) with a custom stain. No information is available to confirm. GC to provide sample and color match stain for approval during submittal process.

Is 203‐1 supposed to be an Aluminum opening to match 108B‐2, 108B‐3 and 205B?

The hardware set number that that 203‐1 is in matches an AL schedule.

(DUPLICATE QUESTION FROM Q&A Log #1)

Door 203‐1 shall be changed to Door Hardware set 13. Refer to attached A.402 and specifications section 087100

There are wall types listed on G‐005, but nothing marked on the drawings.

(DUPLICATE QUESTION FROM Q&A Log #1)

See attached updated drawings G.005, A.203, and A.207.

A‐207: Toilet Accessory Item T6 – Trash Receptacle Need specs.

(DUPLICATE QUESTION FROM Q&A Log #1)

Trash Receptacle to be Carlisle Trimline Rectangle Waste Container 15 Gallons in Gray color.

Regarding sheet P‐101, flag note 2 where it states to “remove 3” water..” , should this actually state 3” waste? Please confirm.

Contractor is correct. The referenced flag should direct the contractor to remove the existing 3" waste pipe in lieu of a 3" water line.

Regarding sheet P‐101 flag note 5 to provide new sump pump in existing basin and reconnect to existing discharge piping, are there two sump pumps and also two sewage ejector pumps as shown on detail drawing P‐200? Is the contractor to replace all?

Contractor is correct. There is a duplex (two individual pumps) sump pump SP‐01 and a duplex (two individual pumps) sewer ejector SE‐01 shown to be replaced, refer to two details referenced on Sheet P101. Detail 3‐ P200 shows the Duplex Sewer Ejector, refer to Plumbing Pump Schedule and Schedule Notes for SE‐01. Detail 4‐P200 shows the Duplex Sump Pump, refer to Plumbing Pump Schedule and Schedule notes for SP‐01. Refer to Specifications for additional requirements for sump and sewage ejector pumps and their installation.

SIR 6973GH‐23‐R‐00096

STB Annex Renovation

Questions & Answers Log # 2 / June 5, 2023

May 30th Questions and Answers

Regarding the fixture schedule on P‐102, it does not show lavatory.

Is it provided by the countertop provider or others? The specifications did not state what size or type of architectural countertop lavatory sink is to be used. Please provide more information on the architectural lavatory.

Refer to Toilet Accessory schedule on A‐207 and A‐208. Lavatory bowls to be integral with solid surface countertop and formed out of same material.

Please confirm site visit attendees are the only contractors allowed to bid this project.

Per SIR 6973GH‐23‐R‐00096 Section L.1, page 66 "Prospective offerors are required to attend a MANDATORY pre‐proposal conference to be held at 9:30 a.m. Central Time, Tuesday, May 16th, 2023 via site visit at the Mike Monroney Aeronautical Center. The conference will be held for the purpose of site investigation and permit general discussions regarding this Screening Information Request. Proposals from offerors who did not attend this pre‐proposal conference WILL NOT be considered for award."

This confirms that proposals from Offerors who did not attend the mandatory pre‐conference on May 16, 2023 WILL NOT be considered for award.

Will a project exemption certificate be provided to make it tax exempt?

A project tax exemption certificate will be provided

Do to lead time of switchboard construction I am quoting a Power Panel for “TSWB” in lieu of Switchboard construction. Power Panel is 19 weeks out – Switchboard is 58+ weeks out.

It is fine to use a power panel for the “Temporary Switchboard TSWB” if everything can be code compliant.

I am unable to put an Electronically Operated Main in an Enclosed Circuit breaker enclosure. Does this have to be electronically operated?

The main breaker in the power panel TSWB does not have to be electronically operated. Remote operation is not required for temporary equipment.

Is below regarding just the Main Circuit breaker or is all circuit breakers for Switchboards supposed to be LSIG?

"All circuit breakers shall incorporate solid state programmable trip units. The main breaker shall be rated for 100% continuous current.

Solid state trip units shall utilize interchangeable rating plugs to allow easy ampacity changes without changing sensors or taps. Trip units shall provide adjustable current setting, long time pickup and delay, short time pickup and delay, instantaneous pickup, ground fault pickup and delay. Breakers shall be equipped with zone selective interlocking, long time pickup warning light, and trip indications for overload, short circuit, and ground fault.

In the switchboard, all circuit breakers need to be LSIG. So all circuit breakers need electronic trip units that provide LSIG. Only the main breaker has to be rated for 100% continuous current.

Regarding drawing sheet E‐501 Keynote No.1, please verify who “AMK‐400” is and that they will be responsible for disconnection, re‐ pulling and reconnecting lines from the existing comms closet to the new one.

The reference to AMK‐400 is the FAA Telecom Group here at the MMAC, and the work is as per the keyed notes.