RFI Reference Guide.pdf

RFI Number Number of Questions Question Topics - VOLUME 1

001 2 Pipe size; confirm interconnecting pipe between compressed air equipment is all 3".

002 4 No specifications for transformer and 15KV wire; who is providing transformer and 15KV cable; will specifications follow?

003 1 No specifications for the interior fall protection over KC-135 please provide.

004 3 No specifications for epoxy flooring; underground utilities abandoned or removed; size of foundation and thickness not shown please advise.

005 2 Where to locate base standards; drawing showing Sign Type ES1?

006 1 Conflict between bid schedule provided by A&E and solicitation evaluation factors.

007 2 Type of screed machine allowed; guidance for intent and design of interior fall protection system.

008 1 Request to have Kwik-Wall Model VL-2 be approved as an equal to products specified in 083500.

009 5 Request to have Wilson Doors approved as an equal for hangar doors; clarify if all doors receive operators; what material for rated counter shutter rm. 105; which doors receive motor on pg. 6, 2.07, G, 5; both types of sensors on pg.

6, 2.07, H?

010 8 Termite Control required for project; barrier recommended or required; MTV for asphalt paving required; test strip required; permits required for project; extent of demolition by contractor; information on foundation depth and size of 499 walls and footers for demo; detail 15/C-3-2.

011 1 Confirm concealed within masonry walls and 18: above the hangar floor are both not within the classified environment nor in hangar which will allow EMT to be used to feed equipment in hangar.

012 1 Possibility of using past performance questionnaires from RTI proposal.

013 1 Is offer guarantee on SF24 and what percentage is required.

014 10 Section 074113 (Metal Roof Panels) - 5 questions/clarifications; Section 074213 (Metal Wall Panels) - 2 questions; Section 133419 (Metal Building Systems) - 3 questions/clarifications.

015 1 Possibility of having another site visit.

016 2 Advise if crane, crane runways or both are part of contract; advise where or if steel roof deck specified is expected to be used.

017 5

Will General Contractor (GC) furnish and install lockers; Is GC hiring a security officer; If base is shut down to civs will GC be compensated for costs and time added to performance; Drawing S-001 note E3b states GC responsible to hire engineer to redesign if foundation doe3sn't meet requirements, will they be compensated;

Clarify Drawing S-003 Notes 1, 2, 3 missing/incomplete.

RFI Number Number of Questions Question Topics

018 5 Specification for room finish; concrete seal coat location; heat piping joint intersection detail use M-503 drawing or S-002 and M-504; do they carry all concrete bases under Section 033000; use thickened edge at all wall sections including interior section "B" on drawing S302.

019 1 No gas lines indicated on drawings C-104 and C-108 so distances to tie-ins cannot be determined.

020 1 Desire to add Metallic Building Company to the list of approved building manufacturers.

021 1 Desire to have Canton Elevator added to the list of acceptable elevator systems.

022 6

Forward static, residual and flow information for sprinkler system; what is the rating for upstream fittings; is it our intent to have Fire Protection contractor paint the fire protection piping per division 9; no specification for the kitchen ventilation hood that fire protection contractor is responsible for providing chemical fire suppression system; are surge arrestors to be in compliance with ETL-02-15 with minimum working pressure rating of 275 psi; what is quantity , size, and type of the owner supplied extinguishers.

023 1 Must a subcontractor be licensed in the State of Maine to perform duties on this project.

024 3 Stair finishes - 1. stairs to receive rubber tread/risers with VCT on landings or rubber on landings, 2. resilient stringers to be used, 3. stair accessories specified or meet specifications; will a specification be provided for

Entry Mats (EFM); will specification be provided for Electrostatic Discharge Tile (ESD).

025 6

Is Section 033000 Page 11 paragraph 2.06 item B the product to be used for areas shown as Conc/H on drawing A-601; are rooms to be concrete with Non-Metallic shake on hardener or liquid sealer/hardener; no plans or specifications regarding thickness of 2nd level concrete floor slab; concrete sidewalk design detail -confirm thickness, curb/edge detail, construction and contraction for joint details and spacing, reinforcement detail, sealer requirements, concrete strength; design data on exterior concrete pads - confirm 6" thickness, edge detail, reinforcing requirements, concrete strength; confirm what the existing apron thickness is for Option #0004.

026 5

Confirm door numbers 111c, 139d, 151d, 162d, 163a, and one 4' x 4' counter shutter at ISO tool room 105 are fire doors; in door schedule what does "B" mean under Label B-90; Are any doors chain operated or all electric; for what do we require powder coat paint baked thermoset finish, gray is standard baked color; Page 6 under 2.06, paragraph H asks for both photo electric eyes and 4-wire fail safe edges, do we really want both and do we want ADA-audible alarm and strobe lights on all electric doors.

027 1 Will contractors receive information regarding hush house structure and foundation.

028 1 Aluminum supplier blast design information.

029 8

Specifications for second floor slab; Fall Arrestor System acceptable for general contractor to install; Will in-hangar fall protection system by provided by Government or contractor (if contractor provide specification);

Specification for recessed entry mats; Monorail cranes provided by Government or contractor (if contractor provide specification); Drawing A-507 details "see structural drawings for stair details" will they be provided;

No dollar amount specified for carrying allowances on banded grating openings; Specifications for carpeting and electrostatic discharge tile.

030 1 Location and quantity of drains from the door track to the trench drain are not found on drawings.

031 1 Are there any permits or requirements to work in the State of Maine.

032 1 Option prices not described in detail, can a narrative be provided to delineate bid scope stop and option scope start.

033 1 How does one coordinate access approval to Camp Keyes for bid delivery.

034 1 Liquidated Damages Clarification: how much charged on which bid items; how will LD be assessed if any on later delivery dates; will LD be assessed on all bid items if not which ones.

035 1 Confirm if exhibit B are to be used for all subcontractors or only those listed. Section 110 para 3.4.2.13.

036 1 Confirm if dedicated quality control manager is required separate from full time project manager and superintendent.

037 1 Give an example of a COTS item that would be excluded from Buy American Act.

038 1 Does Item Identification and Valuation system apply. If so explain how it will be executed.

039 1 As referenced on the bid form indicate what allowances are to be used and how much.

040 1 Is testing to be handled through an allowance invoiced monthly or is contractor to guess at a quantity of testing required and include as a lump sum in bid.

041 1 How will temporary utility usage costs be managed; Section 100 item 10 requires contractor to pay for usage however section 015100 states temporary utilities will be covered by owner; if paid by owner indicate how metering will be handled and who supplies meters; clarify for power, water, phones, internet and gas.

042 1 Regarding submittals: Will electronic submittals be accepted or ten copies of all; how will submittals of samples be managed; will masonry samples and others be mailed to Kansas City.

043 1 Will a submittal register/submittal schedule be required. If so indicate format required if any.

044 1 Explain what is an "Engineer document management project website".

045 1 Section -13216, 1.04, B calls for use of Suretrak scheduling software, is Microsoft Project acceptable.

046 1

Section 0110, 1.05 for Preordered Equipment and Materials indicates contractor is to assume Owner purchase order including costs of equipment, materials, receiving, handling, storage and installation included in contract price: what is cost of the purchase orders and what is equipment and material to be handled; what is equipment and material to be installed, does equipment require supporting construction like blocking; should this be managed as a Government mandated allowance for all bidders, this allows Government flexibility on final product, cost, and installation; statement is made "renegotiate purchase" and "execute final purchase order" related to Government pre-ordered equipment and materials, what is meant by this.

047 1

Section 015100, 3.06, 2, c requires a phone line in watchman's office: explain where watchman's office is and who hires and pays for watchman salary; Section 015100, 3.06, 2 f requires a dedicated phone and fax in

Superintendent and Contracting Officer's trailer: will a CO trailer be required; how will phone, fax, internet be made available for contractor; How will this work and cost be managed; should this be an allowance.

048 1 Section 015200, 2.01 calls for a Government field office: will this be required on this campus; Section 015200, 2.01, C, 18 requires three computer workstations: is this to be provided for the Government or do they include the computer to be used by the Superintendent.

049 1 Section 015700 calls for an enclosure fence around project: however this is not on the drawings, please indicate where to be placed; Is it acceptable to use the existing fence.

050 1 Who hires and pays for the commissioning agent; if cost is carried by the contractor who was used in the design phase; confirm that all bidders are to use the agent used in the bid phase.

051 1 Drawing A-802 through A-805 indicate various pieces of equipment and furniture: are all units shown owner furnished and owner installed; if not indicate which pieces are supplied and/or installed by contractor.

052 1 Are there as-built drawings available for Hush House (Building 500), for the old hangar that no longer exists

(Building 499), and are foundation and underground utility drawings available.

053 1 Will the contractor be responsible for relocating any existing equipment from Building 496.

054 1 Drawing C-104 and drawing C-108 indicate a pipe connection to Bangor Gas Piping: is existing natural gas piping available at location; does Bangor Gas need to make or inspect the installation.

055 1 Section 313116 calls for soil treatment for termite control: is this required in Maine.

056 1

Drawing S-300 note 1 comments on assumptions related to reaction from the pre-engineered metal buildings:

If assumptions are under designed, redesign of the foundation will be required; confirm the review of the reactions, comparisons to assumptions and redesign of foundation will be by the Engineer of Record and not by the Contractor or other third party engineer; if modifications are required to rebar size/quantity or concrete foundation size/quantity please confirm this will be addressed as a changed condition with selected bidder.

057 3

Provide specification for light reflective non-metallic shake-on floor hardener in schedule A-601; provide specification for the trench drains noted on S-106/note 9: are they to be cast in place or manufactured product; Detail G/S-302 appears to show a cast in place trench drain but can't find any information regarding dimensions, slab embedments, grating thickness, etc (also on M-117 as TD-A and TD-B); provide loading requirements for the second floor system (Areas B & C).

058 12

Provide complete list of owner provided equipment; Can requirement for Watchman Services be waived since the work area is located within a secure zone; confirm asbestos items in Table 1 Section 132800 and any work associated with building 496 shall be part of Option #3; confirm there is no asbestos abatement to be conducted in Building 493; confirm no asbestos abatement for Option #5; confirm asbestos removal in Building 497 is required; what are the procedures for security clearance at Camp Keyes for bid drop off;

Section102219, subsection 2.02, A1-3: indicate required thickness, width and finish for gypsum panel partitions; provide stripping layout for airplane hangar; provide specification on expansion joint filler at control joints in slab on grade; indicate if design was intended to include a cat-walk accessibility to the tail pipe exhaust hose reel system as indicated on drawing M-101; provide list of all live and dead loads which need to be incorporated into design of pre-engineered metal building.

059 1 Provide window type for windows in room 209 & 218, do they receive fire shutter; are blinds required in room

111 as indicated on Drawing A-607 & A-608; Are blinds required in Admin room 1 & 2, 127 and 129; which windows are to receive motorized shades/blinds.

060 1 Are fire shutters to be equipped with fusible links only or are they to be electronically wired to the alarm system, or both, please supply detail.

061 1 If a layer of cushion, batt insulation, is desired to remedy noise from metal roof panels please indicate and supply details.

062 1 Water information for the domestic water main and high pressure water main at the above location.

063 3 If building is finished early will owner take over; provide details for sidewalks; Conflicting information on drawing A-201 and drawing A-601.

064 1 Section 102219, 1.03, A, 1, a lists four different STC which is required; section 102219, 2.02, A does not list required size of demountable gypsum panel partition, finish of panel or thickness of panel, clarify.

065 1 Specifications define tack boards but plans show none, confirm there are no tack boards or indicate location;

066 2 Indicate if a card reader or keypad is desired and if supplied by contractor the type; provide tube steel framing requirements for windows of Drawing A-607 & A-608.

067 5

Clarify scope of 101400 and if required additional specification; A-701 does not match description of signs in 101400, 2.10; provide detail of type ES-1 sign and clarify what is meant by match "base standards"; no specification for projection screens on A-109 room 212; provide BOD product for soap dispenser TA-3 on A- 401; any visual display surfaces required in ISO conference room 108 on A-107; 102219, 2.02 are doors steel or wood; are door frames and hinges listed on 102219, 2.02, G & H provided per hollow metal door spec 081100 and hardware spec 087000.

068 1 Who is the contact that can supply the FP bidders with current pump/flow information for high pressure main that is not part of the local municipal water mains.

069 1 Please advise if project is located on US Government owned land. If so local building authorities have advised no permit fees apply. If leased property permit fees do apply.

070 1 Request to have DP Industries Inc approved as an equal manufacturer for hangar doors.

071 1 Will a revised solicitation be issued or are we to use the December 1, 2009 form for submitting offer.

072 3

Page 6 of Geotechnical Report Section 4.1 indicates over excavation may be required, if true contractor needs additional information to quantify; Section 4.2 indicates to over excavate all proposed footings an additional 2' and replace with specified material, paragraph also indicates 5' of structural fill at boring B-1, please clarify;

how is subcontractor to determine which wage rates apply when pricing site work.

073 1 Page 47 outlines insurance requirements, will requirement for aircraft public and passenger be applicable to this project.

074 1 Type ES1 shown on A-701 is not shown. Need clarification.

RFI Number Number of Questions Question Topics - VOLUME 2

075 1 How will payment be made for removal of existing concrete foundations and unsuitable earth.

076 3 Clarify scope of 101400 and provide additional specs for other sign types; details of interior signs on A-701 do not match 101400-2.10; Provide type ES1 sign detail and clarify "base standards".

077 1 No specification for projection screens on A-109 room 212.

078 1 Provide a BOD product for soap dispenser TA-3 on A-401.

079 1 Are any visual display surfaces required in ISO Conference room 108 on A-107.

080 3

102219-2.02 F calls for steel doors but 102219-1.01 B references 081400 wood doors, conflicting; are door frames and hinges on 102219-2.02 G & H to be provided per hollow metal doors spec 081100 and hardware spec 087000; doors 135A and 137A in demountable partitions are listed on door schedule A-701 as Type D7 door, door doesn't appear in details A-701.

081 3 Section 132800 for asbestos abatement includes work task data in Table 1, sheet 9 and 10 call for material to be abated from 497; cost to remove material listed on sheets 1 through 8 for building 496 will be included in line item 0005 option 3; where should cost of abating building 497 be included option 3 or base bid or other.

082 1 section 132800 for asbestos abatement includes work task data in Table 1, sheet 7 calls for transite wall panels to be abated from interior and exterior walls of 496; confirm this includes material exposed to view and transite wall panels buried under metal wall panels which were installed 5 years ago.

083 1 Have found that many subs and suppliers are just starting to look at project due to end of year and holiday issues and will be unable to bid project by January 20th; can bid be postponed 2 weeks to February 3rd.

084 3 Response to RFI 005 did not answer the question for ES1 room signs; detail not provided for ES1 signs however IS signs details are; indicate size and type of material for the 16 ES1 signs, indicate whether the signs are to include room names and numbers, or provide standard as referenced in note 8 on A-701.

085 1 Is there a requirement for either interior or exterior perimeter footing drains around foundation.

086 2

Section 074113/2.02A/A and 3.03/A both mention installation of self-adhering underlayment onto roof sheathing. This is not part of Butler CMR-24 roof system and is typical for wood structure. Can reference to such be removed from specification; at site visit clarification was requested on what items would need to be salvaged from existing hangar during decon. Only item mentioned was door locksets. Section 024100 has extensive list of items to be salvaged and turned over to owner (see 024100/3.03/items E,I,J,K,L,M,N,Q,R,S, and T). Is spec accurate or are all demolished and decon materials to be property of Contractor.

087 2

Clarify which areas of exposed pipe insulation will require additional field applied aluminum jacketing; spec calls for .024" aluminum jacketing to be field applied over exposed 1-1/2" x 1-1/2" density fiberglass duct wrap insulation. This may not have sufficient compressive strength to support metal jacketing. Advise if metal jacketing will be required, where and how to be supported.

088 3

A-607 shows coiling fire shutter at head of type W12 windows. Provide specification for shutter and revise electric and alarm system drawings to show functionality of system; 36/A-606 shows rolling counter shutter.

Provide specification; Section 083500 describes sectional overhead doors yet they do not appear on door schedule. Are any doors to be provided under this spec section.

089 2 Will it be acceptable for demolition debris from hangar 496 and foundation debris for building 499 be crushed and used as fill; if material is painted can it still be crushed and used as fill.

090 3

Could not find Exhibit F in specifications; drawing S-300 footing sizes in schedule do not agree with foundation drawings/grids C1, C2, C15, C16, D1, D2, D3, D6, D7, D8, D9, D10, D11, D14, D15, D16, E1, E16, F1, F5, F12, F16, G1, G5, G12, G16, H1, H5, H12, H16, J1, J5, J12, J16, K1, K2.5, K12, K14.8, K16 (example- grid D15 calls for 4' x 4' drawing S-103 shows 8' x 8' footing. will assume footing schedule is correct at this time unless changed by amendment; some footings and piers do not appear in footing schedule.

091 2

018113 commissioning indicates the Commissioning Authority shall be B&M and that contractor is to execute process as specified in each individual component spec. The noted spec state the contractor is to assist CA in process. Section 013329 LEED notes in 1.03 F that contractor is to contract with an independent CA to perform fundamental commissioning under EA Prerequisite 1. Clarify and confirm GOV will hire own CA and that contractor is to assist with process. Confirm contractor will not be responsible to pay for owner's CA nor hire their own; Section 013329 1.04 A 1 notes name of a LEED Accredited Professional shall be identified for each applicable credit in the LEED Implementation Plan. None of the credits listed below statement include requirement for a LEED AP. Confirm contractor will not be required to hire LEED AP. Confirm contractor will not be required to hire a LEED AP of their own.

092 2 Is the pile of structural fill mentioned quantity known; does material pass gradation.

093 1 Do you have existing ground elevations for area of new boiler room foundation.

094 17

Provide demo plans; confirm project will or will not be built using BIM Modeling method; provide BIM/REVIT files for this project; confirm Alternate #5 can be incorporated into contract without incorporating Alternate #3; at what point during construction will Hush House be disassembled and relocated, after 540 days or during; provide as-builts for foundation of 499 and Hush House to understand conditions; are there any utilities within the foot prints of 499 or Hush

House; are we to assume all piping to be removed from 493 is easily accessible (Drawing M-118); Indicate what DB Wage Rates are to be included in proposal, rates issued or most current; confirm no requirement for woman and minority owned business participation on project only women and minority workers; will there be a bid extension since there were 2 weeks lost to holidays; are quantities of HAZMAT in Section 132800 Asbestos Abatement in addition to quantities indicated in Appendices at end of Spec Book or are they included in the quantities at end of Spec Book;

confirm the stock pile of soil (located on airport premises somewhere) which was referenced by someone at the site i it h ld t b i t d i t bid t thi ti i tit i k if d t i i d th t t t

095 1 Clarify gravel/crushed stone material to be used and its depth below all the new floors.

096 1 Is the crushed rock base course MDOT Type A or B aggregate.

097 1 Please advise that this project is exempt from Maine State Sales Tax.

098 1 Roof drain (RD-A) identified in Floor Drain Schedule on P-701 does not seem compatible with roof drain/building gutter shown on drawing details 7/P-502, 5, 8, 11/A-508. Local wade rep does not offer a 5" SS mushroom dome as noted in schedule.

099 1 Amendment #1 deleted requirement for bid bond, will a letter now be required from Surety with Volume 2.

100 2

Drawing P-111 compressed air reels are shown in hangar space at various elevations above finish floor. No detail has been provided on how to suspend these reels; Typical hose reel detail 3/P-502 shows filters and regulators at each hose reel, it is noted they will be 21'-6" to 54' AFFF, confirm this is the intended mounting height.

101 3 P-503 Water Entrance show 1/3 and 2/3 pressure reducing valves - total gpm flow at the entrance, water pressure into building, water pressure down stream of pressure reducing valves.

102 2 Detail 1/P-503 shows a low/high flow mixing valve assembly which tempers domestic hot water to 120 degrees F. Provide design data or a manufacturer and model number; floor plan at the water heaters drawing P-302 does not show mixing valve or any pipe sizes, clarify.

103 1 Since this is small business set-aside we ask GOV consider jobs valued at $5M for past performance.

104 1 Clarify use of watchman. Section 015700.3.03 Security. Will use of watchman be required for off hours security or contractor responsible to determine means and methods of securing work site.

105 1 Verify extent of rigid insulation under slab in room 101. Detail L/A-305 indicates extend minimum of 3'. What is maximum.

106 1 Drawing M-104, M-301, and A-107 indicate a chiller on exterior of building. C drawings do not indicate a concrete pad in area of E line for chiller to rest on. Is chiller to be placed on asphalt. How far from face of building is chiller to be set.

107 2 Clarify if owner or contractor pays for utility monthly usage for Section 00100 item 10 states contractor is responsible and Section 015100 Temporary Utilities and Facilities paragraph 3.03 D.3, 3.04 D.3, 3.05 D.2 and

3.07 D.2 state owner will pay.

108 2

Clarify whether owner or contractor to provide testing of the following materials: Section 014400 paragraph 1.05, Section 03300 paragraph 3.0 field testing of concrete by contractor and lab testing of concrete by owner, Section 042000 paragraph 3.11 masonry, Section 051200 paragraph 1.04 steel testing; assume cost of testing paid by owner not to be included in offer, advise.

109 2 Drawing A-601 shows ESD be carried in several rooms however no specification for this file; specification for non-metallic flake hardener (FH) cannot be found.

110 2

Sheet C-302 includes several construction details that refer to detail #15 yet detail #15 is noted as "Not used", provide clarification as to what sealant should be used at each concrete joint; Provide clarification for: section

321301 Field Molded Sealants for Sealing Joints in Rigid Pavements, where is material to be used, all details utilize a compression type sealant, is this material what should have been noted as being part of Detail #15 on

C-302.

111 11

Plan Notes 2, 3, 4, and 5 on S-004 refer to fall protection system with no material sizes or specs, what are required beam and attached material steel sizes; Note 7 on S-004 refers to mechanical platform having solid floor however A-110 shows platform having open metal grating, which one, if solid is diamond plate acceptable; S-004 items need weight for loading pre-engineered building design: Note 6/S-004 and 5/FP-501

(Foam Generators), Note 7/S-004, M-303 and M-701 (AHU-101 and AHU 102), Note 8/S-004 and 1/M-502 (Hose Reels); What size crane beams required for 500# and 2,000# monorail cranes in Boom and Brake Shops 0n A-107; Section 074213 Metal Wall Panels, Part 2.05, B, 2, (3), (a) Exterior Surface describe profile options, which one should panels have; drawings A-201, A-202, A-303, etc, refer to roof assembly having "metal liner panel", confirm you are referring to 1-1/2" 20Ga Galvanized metal roof deck (Section 053123) on top of building pulins and not a Roof Liner Panel (Section 074113, 2.05, B) attached to underside of purlins; Should all steel roof deck have galvanized finish except for Maintenance Hangar; Finish Schedule the Maintenance Hangar steel roof deck is to be "painted white", should we provide a primed deck in this area for field paint or

112 2 Section 04200 contains specs for thin brick but there are no locations shown on plans for this product, verify this product is to be used and where; Section 04200 does not contain specs for brick veneer which is required in some locations for exterior wall system, provide specs for this product.

113 11

Section 072000 para 1.01, B, 1 indicates roof insulation specified elsewhere in division 7 and not in 072000, cannot find elsewhere, clarify product; is it poly-iso with kraft face; All elevator contractors/manufacturers indicate they do not have enough clear space above car to install an elevator, they require 12'-2" to 13'-0" clear space in shaft above 2nd floor, framing for roof will be about 11' at outermost elevator shaft wall as shown on A-505, please revise roof plans to include a taller roof or move elevator to a location with enough clearance; para 2.05 calls for retractable edge shoe and a photo eye device, this is old technology, acceptable to use proximity dtector in lieu of these to devices; spec calls for 14'-6" of travel, but second floor is shown in drawings to be 16' above first floor, confirm that 14'-6" listed in spec is incorrect; spec calls for 3'-6" x 7' center-opening door, code requires door this size be a single slide door, confirm single slide door will be acceptable;

spec alls for loaded car bypass and load weight device with alarm, neither systems appropraite for a two landing hydraulic elevator, cofirm acceptable to omit this equipment; in this application a holeless elevator would be less expensive, would owner consider accepting an alternate to go to a holeless elevator in lieu of

114 1 Please advise who is responsible for trenching and excavating of site lighting and light pole bases, not shown on site drawings for netiher base nor parking lot bid option.

115 1 We assume work covered in Section 132800 (Asbestos Abatement) and Section 132810 (Lead Hazard Control

Activities) and Section 132820 (Removal of Miscellaneous Hazardous Materials) is to be included in option 0005, option 3, please advise.

116 2 Please furnish interior elevations and reflective ceiling information for building 493; will all exposed fiberglass board require aluminum jacketing or only if accessible to normal traffic.

117 1 How will access to site be allowed, is access route shown on plans.

118 2 Sections 312000, 312316 and 312333 require compaction testing, will cost be paid by owner; Section 334600

Subdrainage covers under Slab Areas (para 1.01 A.1), we are unable to locate any underslab drainage on drawings, assume there are no underslab under drains, advise if incorrect.

119 1 Cannot find a detail regarding the site light pole concrete bases, who is supplying the light pole bases and what sizes are required?

120 3 Watchmen Services: are they required during all hours when Contractors' Supervisory personnel are on site, confirm this is the requirement by addenda, all GC's should be made aware of this requirement so all bids are on equal footing, request you reconsider and delete requirement.

121 2

Section 221519 paragraph 2.06 Air Purification System for provision of Grade "D" breathing air at points of use at locations indicated on the drawings, 4 on P-206, Concerns are: specified compressor is oil flooded should oil be free to support breathing air, use of steel piping for CA system is at risk of developing rust in the event of an issue with air dryer, Grade "D" brreathing air should be through a purifier with a series of filters, catalysts and CO monitors/alarms through copper piping; Section 221519 paragraph 2.06 C states local and remote audible and visual alarms for CO Monitoring System shall be provided where indicated on drawings yet none are shown.

122 1 RFI 0005, is response an error or additional signage, what are ES1 signs.

123 6

Drawing E-001 and E-502 show concrete encased ductbank, indicate strength/mix for this conrete and grade of rebar; Drawing C-303 shows trash encolsure with louvered doors and states walls are masonry, Drawing S- 305 indicates cncrete walls for trash enclosure, A-513 indicates gates for trash enclosure with metal building panels on doors, please clarify wall and gate construction; also indicate manufacturer of gates shown on A-513 if those are desired; Section 083416 paragraph 2.04, Q for hangar doors states exterior side of hangar door is to receive metal panels, but does not reference type, style, thickness, etc, clarify; Section 083416, paragraph 2.04, P for hangar doors calls for flat metal panle 8' high on interior surface, drawing A-306 indicates entire inner surface is covered in flat panel, clarify; Drawing A-103 and detail 9/A-508 indicate ice protection walkway on roof, details are unclear on the product, its fabrication, and attachment method, clarify.

124 2

Drawing C-003: in area of new hangar there is a note stating "demolition of existing foundations for previously demolished building 499 structure, please provide size, location and depths of these existing structures; Tail Pipe

Exhaust: Drawings M-101 and 1/M-502 indicate 2 tailpipe exhaust motorized hose reels, no specification or schedule is listed for this equipment, please provide manufacturer, model number, length and size of hose and required temperature rating of hose.

125 1 Section 132800 (Asbestos Abatement) refers to set up detail sheet numbers (Ex. 132800-29a (1)), where would sheets be found in specification.

126 1 Wage rates posted on the site listed in the specs for building work do not have any rates for several trades and/or equipment operators, will these be requested and posted before bid so everyone is aware of the amounts.

127 6

Can Section 313116 - soil treatment for termite control be deleted for project; clarify geotech report page #6 Section 4.2 paragraph #3, do we need to over excavate within new hangar foot print for 5' of structural fill; on sheet C-105 note #3 structural fill at wing headquarters, can we access this pile before bid, and is there going to be a cost for material; will there be a foundation perimeter drain, if so please supply location and detail; Section 017419-7, 3.04, A, B, C Recycling demolition Waste, are we going to be able to use material; Section 013329 is it your intent to dismantal the existing hangar piece by piece as outlined and salvaged

128 3

Section 04200 contains specs for thin brick, but there are no locations shown on plans for product, verify this product is to be used and where; section 04200 does not contain specs for brick veneer, which is required in some locations for exterior wall system, provide specs for product; Section 074113/2.05/B Roof Liner Panels specifies product that does not appear to met intent of project, it was explained in the pre-bid meetings that Bases of Design for roof system is Butler's CMR-24, liner panel specified is not part of the CMR-24 system and appears to be a spec for a metal building wall sheet, Butler's CMR-24 rof system utilizes a MOD-36 liner panel, clarify of MOD-36 should be used or provide manufacturer information for product being specified.

129 1 Section 083323 Overhead Coiling Doors paragraph 1.01, B, 3 references related work specified elsewhere for powered operators and accessories in division 26, clarify if accessories includes control wiring for items in spec section 083323 paragraph 2.07, H, I, and J, cannot find a section in division 26 that references, clarifies.

RFI Number Number of Questions Question Topics - VOLUME 3

130 1 Sheet S-001, General Note 3.A.1 design roof load is listed as 20 PSF, snow load in Bangor area is considerably higher, closer to 68 PSF, confirm actual load that building needs to be designed for.

131 1

Sheet S-001, General Note 5.E.3.b and Sheet S-300, notes state foundation designed around assumed reaction values which may vary from actual values once metal building is fully designed, at bid stage it is unknown what these final values will be or how accurate the depicted values and foundation design in the bid documents are, will cost of redesigning foundations and costs of additional work be borne by successful contractor or reimbursed through a contract mod.

132 1

Sheet S-002, Typical Radiant Heat Piping Joint Intersection detail 1: material for radiant heat pipe sleeve is specified in Section 238316, 3.03.H.4 (page 5), paragraph further specifies length of sleeve to be 24" each side of the joint for a total of 48", total length on S-002 is 24", details on M-503 show sleeve extending 6" on each side of joint for a total of 12", clarify which is correct.

133 1 Sheet M-503: radiant heat piping details give installer a choice where the piping crosses the joints in floor slab, either sleeve through joint or bending pipe down below slab, detail 1 on S-002 only shows sleeve option, is choice truly available for piping installer.

134 1 Confirm depth of radiant heat piping from top of hangar bal slab. S-002 detail 1 shows 4" minimum to top, Section 238316, 3.03.H.3 (page 5) specifies 2: minimum cover, dpeth needs to be coordinated with rebar location being question in a separate inquiry.

135 1 Confirm depth of reinforcing steel from top of hangar bay slab with considerations listed in Exhibit.

136 1 Section 033000, Paragraph 3.03.A.6 (page 15), where does "Two-Course Floor Finish" get applied.

137 1 Sheet S-002, detail 1, Slab Joints, we assume that the total sawed joint is H/4 minimum in depth and 1/8" to

1/4" in width, what is width and depth of sealant itself.

138 1 Sheet S-002, detail CJ-3, sawed joints for detail do not refer to detail 1/S-002, width shown has wide range of

1/8" to 1/2", is it permissible to saw and seal a 1/8" wide joint where CJ-3 is called out or is the intent to follow detail 1/S-002.

139 1 A-001, General Note 1 specifies International Building Code, 2003 version, is to be complied with; S-001, General Note 2 specifies International Building Code, 2006 version, is to be complied with, City of Bangor has adopted the 2006 version, clarify which version to be utilized for project.

140 1 A-601 and A-602: finish on some floors designated as CONC/FH with FH defined in Legend as "Light reflective non-metallic shake on floor hardener", is ther a spec of this material and application.

141 1 S-003, Note B vertical Reinforcement: bulk of text for note is missing, can you supply missing text.

142 2

Division 07 84 13 calls out requirement for single qualified installer on firestopping for project, other divisions indicate individual trades are required to self-install firestopping, which spec will take precedence on project;

3.05A division 07 84 13 a requirement is made for third party inspection of all installed firestop systems, will it be required of third party inspector to use ASTM E 2174 and E 2392 firestop system inspection standards.

143 2 Does PCC that is to be removed at new hangar location have reinforcement steel or wire enbedded in it, if so what is configuration; Are there as-builts or any drawings showing sizes and depths of footings and slabs for

Building 499 structure and existing hangar, as well as Hush House foundation.

144 6

Section 042000, 2.02, C, 5, a calls for Modular sized brick yet plans call for Utility sized brick (4x4x12), correct to assume Utility is correct brick; conflicting details on plans relating to R Value of Cavity wall Insulation. Detail

25/A-509 calls for R7.7 Insulation whereas detail 26/A-509 calls for R10, which is correct; no Veneer Anchor System specified under Section 042000 Unit Masonry Assemblies, please let us know what to use; Section 042000, 2.09, A calls for stainless steel flashing, detail 26/A-509 shows a pre-finished thru wall flashing, is pre0finished thru wall flashing stainless steel; no installation requirements for thru wall flashings under

Section 042000 Unit Masonry Assemblies, what is minimum height that flashing is to be installed up the Face of the sheathing; Plan Page S-003 Ty[pical Concrete Masonry Unit Construction Notes #5 states to fill all underground cells with granular insulation, is this note correct.

145 2

Section 33700, 1.03.B.1, UL2215 is subjective to each manufacturer, added cost over a standar CSI-10 model is over $20,000, please confirm UL2215 is acceptible model; Section 33700, 2.02 A-H, standard "oil spill

Capacity" for a 6,051 gallon DW O.W.S. is 858 gallons, emergency spill capacity is 4,841 gallons assuming ther is no oil in separator, to achieve 1,200 gallon oil spill capacity requires increasing size of separator to 8,695 gallons and increase plate from 13 to 26, this is substantial cost.

146 3

Is the Mechanical Engineer's design intent to include insulatin at entire floor area where radiant floor heating is located; confirm 3' of R-10 insulation is what is required around slab perimeter where indicated or should we consider including more since it is a minimum requirement; issue with response to question #22 regarding options and duration thereof.

147 4

Section 074113 Metal Roof Panels, 2.05, C, 2 on page 9 states Clips to be stainless steel panel clips, standard roof panel clip for PEMB is galvanized, is galvanized acceptable; Hangar door spec calls for 3 door leafs per side, drawings show 2 leafs per side, clarify; Drawing A-404 detail 1, 2, G, H, J, & K indicate pre-fabricated terrazzo shower floor, specify product particulars and manufacturers or basis of design; Amendment #2 RFI #50 addresses commissioning, confirm if a contractor MUST hire a third party agent, section 0230800 does not indicate contractor must hire, paragraph 1.03, D states B&M is Commissioning Agent.

148 1 Amendment 0002 added CLIN 0008, how do we include it with our offer, issue a revised offer form which includes CLIN 0008 and revised delivery dates.

149 1 Amendment #2 section "Notes for Bidding Schedule" Item 1 is conflicting, states demo as well, Option 3 Item 5 is for demo, clarify, provide historical plans, sitework scope involved.

150 1 S-108 note 5 calls fo 6" of material under slab to be aggregate base course, Section 312000 E 4.a calls for 6: of material to be select backfill, clarify.

151 2 Column Line "D" Lines 2 to 5 and 12 to 15- no section through these areas- correct to assume 8" CMU walls are to be constructed to underside of roof deck; Column Line "D" Lines 12 to 15 has P6 wall tag in Area E Plan Page A-108 and P4A wall tag in Area C Plan Page A-106, which is correct.

152 2 Sheet C-003 hatch patter on existing hangar shows asphalt pavement (4"AC), sheet R-500 detail F1-F1 floor appears to be concrete, clarify; explain what AC stands for after 4".

153 1 Possible to use normal weight concrete instead of medium weight.

154 3 RFI0026 Question #5 response did not answer if all electric doors receive ADA-Audible alarm and strobe lights;

no specs for fire shutters; RFI0060 response stated fire shutters are to be wired to buildings alarm system, are fire doors to be as well.

155 1 Section 04200-2.01, B, 1 calls for medium weight CMU, Plan S-003 Note A General, 3, A, 1 calls for CMU ASTM

C90 Type I minimum compressive strength 1900 psi, can normal weight CMU be used.

156 1 A-107 in Pneudraulics Office 180, Supervisor Office 140 and A-108 training room 154 there are windows with no type, tell me what type of windows these will be.

157 3

Section 095100 paragraph 2.04 calls for thermal acoustical batts above suspended ceilings, cannot find where this material would be used, clarify if it is to be used and if so the location, also indicate if it covers whole ceiling or only certain areas, at what thickness or R-value; A-110 indicates open metal grating for mechanical mezzanines, drawing S-004 note 7 indicates floor for mechanical mezzanies should be solid metal with no openings, please clarify; provide specification for the electrostatic discharge tile.

158 3 What is required flow rate for oil water separator; Drawing 1/C-104 showing standard UL-1316 constructed CSI-10 separator and specifications list both standard UL-1316 and UL-2215, clarify; what is bid opening date for subs and GC's.

159 5

Folding shower seat to be included in division 10 section 102800 toilet and batch accessories, provide model number for folding shower seat, shower seats in every stall or only ADA compliant stalls; provide model number for liquid soap dispenser; Paragraph 2.04 shower and dressing compartment D says dressing compartment with seat mounted to partition and doors, is this relevant; paragraph 2.05 shower compartments (handicapped_ are we to provide shower compartments; advise if project is tax exempt.

160 6

S-303 details A and B reference HSS 4x4x1/4 track drains- what is termination detail at track end, grate, screen or grill required; what is termination detail at trench drain end or trench drain catch basin; does this fall under plumbing or miscellaneous metal spec, installed and paid under plumber or ironworker classification; S-303, details A, B, D, and E show door track foundation separated from hangar bay floor slab by construction joint, joint is unlabeled and not shown on Slab Plan S-106, do the two concrete pours abut each other, bonding agent required, or is expansion joint material required; sealant required and does detail 1/S-002 apply; S-303, detaild D and E reference concrete infill that encapsulates door tracks and supports, is bonding agent specified in 033000 paragraph 2.3 required where concrete is cast against concrete.

161 2 Detail 2 references grout, is this truly grout or is it a concrete mix, if concrete a 3/8" maximum course aggregate should be utilized due to 1-1/2" thickness at edges; is bonding agent specified in Section 033000 paragraph 2.03 required to bond top coat to underlying slab.

162 1 S-303 detail B dimension of 3' 1-1/2" in string from line (L) to edge of concrete bondout appears to be incorrect, changing dimension to 2' 3-1/2" puts string in agreement with struing detail A/S-303 and dimension of 3' 7-1/2" on S-106 front.

163 1 A-110 it is assumed detail 3 pertains to mechanical platforms shown on drawing although there is no cut in the

Plan to support this, detail shows steel post under channel framing, Note 7 on S-004 states mechanical platforms are hung from pre-engineered metal building, please clarify.

164 4

A-304 detail E shows rigid insulation on hangar side of foundation wall while referenced detail 4/A-508 shows it on AGE storage side, any rigid insulation required under slabs along confrete walls for interior spaces;

bottom cut off details L/A-305, M/A-306 and N/A-306 thus it is unclear if rigid insulation is required under hangar door foundations, rigid required under floor slab in hangar; rigid required under hangar door foundation; rigid required along foundation wall between hangar and AGE or any other interior foundation walls.

165 1 Answer 5 in RFI0018 states thickened slab edge detail to be used at all slab edges, answer contradicts every detail on drawings except at openings, confirm intent.

166 1 Proposal documents outline proposal for hangar floor, high reflectivity will enable easy identification of FOD, will provide aviation fluid resistance as required, lab tested to resist skydrol, pH neutral, lab tested for high abrasion resistance.

167 4

S-303 detail A shows crushed stone fill and aggregate base course, define transition for these materials; C-302 detail 2 & 3 details show drainage fill layer of 4" thick, please provide specification for material; Section

334600 deals with underslab utilities but only talks about perforated utilities, no perforated underslab utilities shown on prints but talked about in Geotechnical Report, provide information for underslab utilities such as sanitary waste, dimensions of trench and backfill materials; Geotechnical Report mention backfill around foundation, some conflicting items especially under slab, looking for extent of excavation and backfill around foundation walls, Report states 8' from doorways and 5' from sidewalks, is Report to be followed.

168 3

Addendum #2 added demolition of building 497, possibility another site visit can be held to tour existing buildings to be demolished; RFI's not completely answered in Addendum #2 (RFI0025, 0047, 0058); RFI still unanswered 019, 023, 033, 034, 035, 037, 038, 041, 054, 062 through 124, Government intend on responding to these before bid date.

169 1 Section 096723 resinous flooring spec, paragraph E refers to a walkway stripe and grounding rod markings, no drawing to show graphics, provide layout if required, how many colors needed, how much area.

170 1 RFI0018 response clarification has been added to 033000 spec for shake on hardener, also states shall be applied in accordance with manufacturer's installation instructions, instructions allow a broad range of application rate dependent upon design needs, supply an application rate (lbs./SF0.

171 1 RFI0018-5 response all slabs are to receive thickened edge, clarify if you are considering all CJs an edge even in middle of slab, or only at wall/slab intersections, or is it your intent to thicken slabs at perimeter of building.

172 2

Rules in Maine, Maine DEP requires review of design documents and permits that are typically required to be obtained during design process (SLODA), confirm that this has been done and indicate if Contractor will need to cover any costs for SLODA permit; any other permits obtained during design that contractor will be asked to pay for.

173 8

Stoop door 187A to be as shown on detail "Building 492 Addition Floor Plan" on A-117 or as shown on C-108; C-108 shows exisiting drain to be demolished, is this a rain leader, stormwater structure; S-120 note 9 references architectural drawings for location of CMU Walls, but no CMU Walls seem to be shown on A-117, confirm there is no CMU in Building 493 addition; Slab on Grade Note 8 calls for equipment pads as required on mechanical drawings, no pads are called for on mechanical drawings or on section A-117, confirmno pads are required; provide complete scope of electric work required for Building 493; electric demolition in building 493 limited to that shown on M-118; Building 493 is not included on finish shcedules A-601 and A-602, define finishes for Building 493 work; equipment in Building 493 to be commissioned.

174 3

Building 493 ro be included in LEED certification; we count waste from demo of existing buildings toward MRc2; LEED Credit EAc6, Green Power is owner's responsibility, contractor has no control over Owner's choice for power supply and distribution, is Contractor required to carry cost of Green Power required for EAc6 in their price.

175 1 RFI0055 states soil treatment for termite control is Government rquired, this is a very expensive process to control a pest that is nearly non-existent in this part of the country, confirm termite control is required by

Government.

176 1 To meet criteria of UL-2215 and capacities listed in specification thank size required will be 8,400 gallons which will lengthen excavation to approximately 41', this also affects flow rate, advise.

177 1 Section 337000 / 2.10.A.1 Gate/Butterfly Valve Manholes: 8" (200mm) round manhole, two are required for each separator, clarify how many separators are required for project.

S…