Questions_And_Answers_11_July_2018.pdf

Questions and Answers

FA448618R0013, Repair/Modernization Building T-100

MQNA 14-7741

As of 11 July 2018

Question: There will be no intervention on the roof with the exception of the removal of the chimney?

Answer: YES

Question: The existing fascias are to remain?

Answer:YES

Question: There are some existing doors that are not be modified (they will remain with the same hardware). Is it ok if the new doors have hardware from a different manufacturer?

Answer: All materials shall be submitted to the Contracting Officer for approval. They must be in compliance with the Design and Lajes Field Facility Excellence Standards.

Question: The exterior walls are not to be painted?

Answer: The exterior walls are to be painted.

Question: The building roof structure is made of wood trusses?

Answer: YES

Question: There are wood framing the ceiling on the first floor?

Answer: The floor slab of the first floor is made of concrete and the roof structure is made of wood.

Question: Dwg A-602, Room Schedule: The referenced drawing shows "save and reuse existing ASC" at room 101, 102, 102A, 103 however the ceiling is marked as GYP. Please clarify.

Answer: Please reuse ASC.

Question: Dwg P-501: At referenced Drawing is shown two diesel tanks, one 50 Gals Day tank with secondary containment and leak detection system and one 500 Gals with secondary containment. Are the two tanks required since the generator is only 30 KW?

Answer: Keep only the 50 Gal. Day Tank.

Question: Dwg A-601: According A-601 the doors are to be in wood or hollow metal, the frames for the hollow metal dooors needs to be in hollow metal, which is what is under the door schedule. Based on the above, please confirm if the doors and frames are to be according A-601 even considering that some of the existing doors are with wood frames. Answer: Please comply with the Project Specifications and Drawings (Ex. A-601).

Question: Spec 26 42 14.00 10: The Specifications includes a Spec Section for Cathodic Protection, however there is no reference where the cathodic protection is to be provided. Please clarify.

Answer: Keep existing Cathodic Protection.

Question: Dwg ED-101: According Key Note 16, the primary conductors are to secure.

Please confirm if existing MV Power Cables, existing MV Loadbreak apparatus and existing utility pole MV connections are to reuse.

Answer: Consider only Specifications and Drawings.

Question: Dwg E-103: According Key Note 2, it is necessary to provide temporary generator connection to existing 100 A Panel. Please inform if temporary generator is supplied by the Government.

Answer: No Generator will be supplied by Government.

Question: According Specs the primary side of the Power Transformer must be rated for dual voltage 6,9-15 kV, and the insulated load-break connectors and bushing well inserts must be rated for 15 kV. If the loadbreak apparatus 15 kV Class is considered, the maximum rating phase-to-phase is 14,4 kV for this Class. Please inform if 25 kV Class for loadbreak apparatus should be considered.

Answer: The transformer should be rated 95x125-KV BIL, the bushing wells and elbows should be rated 200A, 25KV, 125KV-BIL. The primary switch should be rated 25KV, 125KV-BIL. Any new HV cable should be rated 25KV.

Question: Dwg E-401: According Specs the Pad Mounted Transformer frequency is 60 Hz, However according Single Line Diagram the Pad Mounted Transformer frequency is 50 Hz.

Please clarify which frequency rating is required (60 or 50 Hz)?

Answer: 50Hz.

Question: Dwg E-501: According Panelboards Schedules, all Panelboards feeders from Panel MSB to all remaining panels are made directly to the panels busbars (Main Lugs). Please confirm if it is not required to install Main Circuit Breakers in each "sub" Panel ?

Answer: Please comply with the Project Specifications and Drawings.

Question: Dwg A-602: According the finish material schedule, the tile (T-1, T-2, T-3, T-6, TB-1 and TB-6) is based on Daltile manufacturer. The European tile dimensons is sligtly different and colors and tile accessories (base, corners...) mentioned at contract documents are specific from Daltile. Is European Tile Acceptable even different in size and color?

Answer: Please comply with the Project Specifications and Drawings.

Question: Dwg AD-101: At referenced drawing it states to "REMOVE EXISTING TILE AND MORTAR FOR PREPARATION FOR NEW TILE INSTALLATION." however the majority of the corridor finish floor is carpet. Please Clarify.

Answer: Contractor shall remove existing and execute floor finishes according to Project’s Specs and Drawings (Ex. A-602).

Question: Dwg M-101 & M-102: At referenced drawings it states to remove existing baseboard heaters, also at demolition note it states "ALL HVAC CONTROLS WIRING, ASSOCIATED

PIPING, DUCTWORK, PUMPS, SUPPLEMENTAL HYDRONIC EQUIPMENT,

ANDSUPPORTS SHALL BE REMOVED COMPLETELY".

Would you please provide detais on the baseboards to be able to identify what type of restoration work needs to be done due to the baseboard heaters removal.

Answer: Remove all baseboards and patch per Project’s Specifications and Drawings.

Question: Dwg C-102 / M-101: Althought the referenced drawing states "THE EXISTING

HVAC SYSTEMS SHALL BE REMOVED. THESE ARE COMPOSED OF MINI-SPLIT

SYSTEMS, HOT WATER BOILER, BASEBOARD HEATERS, CEILING FANS, WINDOW

AIR CONDITIONING UNITS, AND DEDICATED OUTDOOR AIR UNITS. ALL HVAC

CONTROLS WIRING, ASSOCIATED PIPING, DUCTWORK, PUMPS, SUPPLEMENTAL

HYDRONIC EQUIPMENT, AND SUPPORTS SHALL BE REMOVED COMPLETELY",

there are several equipment installled on the exterior (at plan north west) that is not shown to be demo.

Answer: Everything is to be demolished.

Question: Dwg E-001 / E-203: The basis of design for the Luminaires is "LITHONIA" as per E- 001 and the control for the lighting as per E-203 is specific from USA. There is no European system equivalent to the system shown on contract drawings.

Based on the above, please inform if a different control systems/luminaires is acceptable. this is very important since if the system lighting control/luminaires are from USA, all materials associated with the ceiling needs to be from USA such as Acoustical Suspended Ceiling, HVAC Diffusers/Registers/Grilles... due to the luminaires dimensions (the european ceiling grid is 600 mm x 600 mm and the USA ceiling grid is 24" x 24" which is 609,6 mm x 609,6 mm).

Answer: Yes, different control systems/luminaries are acceptable, as long as the control system and lighting conditions remains the same foreseen in the Project’s Specifications and Drawings.

Philips Dynalite and Legrand BUS/KNX or equivalent functions and capability shall be as foreseen in the Project’s Specifications and Drawings (PS&D) or used as basis for equipment selection.

Question: Please confirm if it´s required to paint the exterior of the building including fascia, downspots, gutters...

Answer: Yes.

Question: Dwg E-304 / E-305: On DWG E-304 (key note 1) it states " Class 1 Aluminum Roof conductor" however at E-305 all the materials are specified to be in copper (Conductor, Ground rod, accessories...). Please Clarify which material is required for the lithning protection system copper or aluminum?

Answer: Copper.

Question: Section 26 12 19.10: According Specs the Pad Mounted Transformer must be rated for dual voltage, 6900 - 15000 V. Please inform Duty Cycle Voltage Rating required (arrester rating).

Answer: Please comply with the Project Specifications and Drawings.

Question: Drawing C-001/ Site utility Note 6 - Excess material to be considered as non-contaminated? Is soil sampling needed? If so, please provide number of samples and parameters to be analyzed.

Answer: Please consider as non-contaminated.

Question: Drawing C-103 / Note 1 - "Pedestrians must have access to building all times" - Does this mean that building is occupied during construction?

Answer: No access needed. Building should not be occupied.

Question: Drawing C-501 / Detail 13 - Siltfence -Please inform where can we find the certified storm water management operator requirements.

Answer: No need for a storm water management operator.

Question: Drawing A-001/ General Note 34 - Termite protection under concrete slab applicable?

Answer: No.

Question: Drawing A-001/General Note 35 - When to confirm quantity of fire extinguishers with Fire Marshall?

Answer: Consider quantities foreseen in the Project’s Specifications and Drawings as confirmed.

Question: Drawing AD-101 / Demolition General Note G - ".ascertain their conditions to ensure adequate performance of all utilities." If they are not in conditions who is responsible to repair them?

Answer: The Contractor is.

Question: Drawing AD-101/ Demolition Keynote 16 - Sliding Doors are required, however panels to be removed are on a window level. Should not be sliding glass windows instead?

Answer: Yes.

Question: Drawing AD-101/ Demolition General Note M Storage Space for relocating furnishings to be provided by Government. Where is this location?

Answer: Disregard this general note in what storage space is concerned. The Contractor shall be responsible for providing adequate storage space.

Please identify furnishing to be KTR disposed.

Answer: No furniture is to be considered for KTR disposal.

Question: Drawing A-101/Floor Plan General Note L - Contractor shall coordinate flooring with owner's vendor? Who is the vendor?

Answer: No vendor is to be considered operating in the building during construction. All coordination procedures shall be performed via the Contracting Officer.

Question: Drawing A-101/ Floor Plan General Note O - Paint just the area where the utilities where removed or all building exterior walls to be considered?

Answer: All exterior walls.

Question: Drawing A-101 / Floor Plan General Note P - Window blinds in all windows, including existing, correct?

Answer: Yes, all windows.

Question: Spec Section 12 21 00/2.1 and Drawing A-602/Note 2 -Window blinds to be equal to or better than Velux Venetian Blinds. Specs are more closer to LFFES? Which applies?

Answer: LFFES.

Question: Spec Section 12 21 00 / 2.1.7 - Blinds to include the Audio Visual Blind (light trap) – Absent requirement on LFFES for blinds? Applicable anyway?

Answer: Yes. Apply the Project’s Specifications and Drawings.

Question: Drawing A-401 / Detail 4 - Missing 1ea "Mark D" at HC Toilet, correct?

Answer: Yes, one mark D is missing in Detail 4 of Drawing A-401.

Question: Drawing A-401 / Floor Plan Keynote 3 - Where is the furniture plan?

Answer: Disregard this keynote.

Question: NIC but needed for trades coordination purpose.

Answer: Not needed.

Question: Drawing A-801 - No Portuguese lettering on Interior signage. Previous projects on Lajes had Portuguese wording in all interior signage. LFFES (3.4.3) requires it in some types.

Please identify which ones are to receive the Portuguese wording, and the wording itself.

Answer: Comply with LFFES.

Question: Drawing P-001 / Note 33 - Please confirm if compressed air needs to be maintained throughout the project and its purpose?

Answer: No.

Question: Drawings P-101/A-701/PD-101 Demolition Note 1 - P7 break sinks is to be installed?

Not identified in Room#146 and demo notes state that everything is demolished after entering the building.

Answer: Yes.

Question: Drawing ED-202 / General Note 2 - PCB Light Ballasts and Mercury Thermostats are to be considered?

Answer: Yes.

Question: Spec Section 007303 / 11.3.1 - Prior to contract award, negotiation can occur to allow work beyond normal working hours, during holidays and other exceptions. - when?

Answer: Normal duty hours are to be expected during the contract performance, and should be quoted as so. If during the performance, the contractor identifies a need to work outside or normal duty hours, a request must be filed with the contracting officer identifying the need, the proposed time frame and schedule to apply. The contracting officer, in concurrence with 65th CES will review the request and issue a decision.

Question: Spec Section 00703/1.2.2 - Are Government Furnished Material expected on this project? If so, what?

Answer: No.

Question: Spec Section 011400/1.2.4 - Which buildings around T-100 occupation can affect work?

Answer: None.

Question: Spec Section 013000/1.5 - FAR 28.307-2 applicable? What other insurances are required?

Answer: Provide insurance in accordance with FAR 52.228-4 and FAR 52.228-5. Basically you need the "Seguros de acidentes de trabalho" insurance coverage.

Question: Spec Section 014500.10.20/1.5.1.3 - Besides the required experience on similar and complex projects, the QC must have completed training and have a current certificate, correct?

Answer: Yes.

Question: Spec Section 019100.15 -Total Building Commissioning requirements are based on US entities standards. Are European equivalent standards requirements allowable?

Answer: Yes, but only if in full compliance with the Project’s Specifications and Drawings.

Question: Section B of Solicitation - Please confirm that this solicitation requires only one line, based on contract documents (specifications and drawings) and, that options are not included/allowed.

Answer: There is a single CLIN (lump sum) for this solicitation.

Question: What are the powers of the transformers of the PTs, as well as the voltages and are of the dry type or with oil insulation?

Answer: Should be 500KVA as specified and as shown on E-401.

Question: What is the configuration of the medium voltage protections (protection, general cut, measurement, ...)?

Answer: Please comply with the Project Specifications and Drawings.

Question: Is it necessary to provide a general framework for each PT?. If so, could you send the drawing sketch of it?

Answer: Please comply with the Project Specifications and Drawings.

Question: What is the finishing material of the PT outer shell: stainless steel, galvanized sheet or concrete?

Answer: Please comply with the Project Specifications and Drawings.

Question: Mostly the marks provided in the specifications projects are American. Can we consider national benchmarks?

Answer: Please comply with the Project Specifications and Drawings.

Question: Should We predict extinction by gas (hottes, data centers, etc)?

Answer: No.

Question: In the data center of the T100 building, there are a large number of fiber optic connections / panels / cables that do not appear in the current project (they must be interconnections with other buildings) and are not defined if they are to replace or to install new ones?

Answer: Please comply with the Project Specifications and Drawings. If not mentioned, no work is to be performed.

Question: Should the telecommunications (COMM) installation, including the racks, be considered in this contract? Are there any mandatory marks? What is the category / specification of copper cables?

Answer: No.

Question: In the building T100 should we predict to install audiovisual equipment, screens, projectors, ambient sound, scenic lighting?

Answer: Only what is foreseen in the Project’s Specifications and Drawings.

Question: Should the building T-100 be equipped with a anti - lightening system?

Answer: Please comply with the Project Specifications and Drawings.

Question: Is the Power supply t o the building of low voltage, or medium voltage?

Answer: Medium.

Question: Should we Predict PT, with what configuration? And where is the point of interconnection?

Answer: Please comply with the Project Specifications and Drawings.

Question: What does "transformer by government" means (T-100 E401)? Can you provide more information about the transformer?

Answer: No reference found on E-401 related to this question.

Question: Are the sections of the feed conductors to the partial frames already defined?

Answer: Yes. Comply with Specifications and Drawings (Ex. E-401).

Question: What it means 3 SETS: 3 "C (4 # 300), 2" C (4 # 1/0, 1 # 6), EA, 2 SETS: 2 "C (4 # 3/0, 1 # 3) and 1/2 "C (2 # 10, 1 # 10) (T121 E401)?

Answer: US Standards for information of conduits / number of wires / sizes.

Question: Should a UPS and generator be provided?

Answer: UPS, no. Generator, yes.

Question: The normal lightning and exit signs are with T5 lamp or Led and of what brand? Can we propose a national reference?

Answer: LED in compliance with the Project Specifications and Drawings.

Question: The lightning should be DALI or with HF-simple ballast?

Answers: Comply with Specifications & Drawings.

Question: Should we predict voice commands and columns for fire situations? If so what brand should we use?

Answer: No, you shouldn’t.

Question: What type are the lighting controls P1 / P2? Normal Switches? KNX Buttons with Multiple Keys / Scenarios?

Answer: Please comply with the Project Specifications and Drawings. (Ex. E-202)

Question: Where is the point of connection of COMM facilities?

Answer: COMM’s rooms.

Question: Are the active devices (switches and PABXs) to be foreseen? What brand and type?

Answer: No, they are not.

Question: Is there any documents for electrical and COMM material and equipment for Lajes Air Field Facilities that can provide more information or define brands and types of equipment? If so, could You please provide us?

Answer: No.

Question: Are the existing water and sewage collector to be all removed? If so, why is asked to make a quotation considering that the existing collectors are near the sanitary facilities to remodel? If it’s all new, please provide the collectors drawings.

Answer: Please comply with the Project Specifications and Drawings.

Question: Drawings P-101 contains four details / drawings with the reference P-401 and then these details do not appear on either side. Please provide them to us?

Answer: Please comply with the Project Specifications and Drawings.

Question: There are no hot water drawings in the project? If they are to be quoted please provide drawings.

Answer: Please comply with the Project Specifications and Drawings. (Ex. P-901)

Question: There is no equipment to supply hot water to the building. Is it to be connected to an existing one? If so, were it is located?

Answer: Please comply with the Project Specifications and Drawings. (Ex. P-601)

Question: It is asked to quote a fire extinguishing central, but it is not shown how to connect to the water tank. If it is to quote please provide the drawings and the information of location.

Answer: Please comply with the Project Specifications and Drawings. (Ex. F-401)

Question: There is no sprinklers layout. If they are to quote, please provide the drawings.

Answer: Please comply with the Project Specifications and Drawings.

Question: There is no drawing of reel collectors. Please provide us the drawings.

Answer: Please comply with the Project Specifications and Drawings.

Piping Supply collector can be “Henco” brand multilayer (PEX / AL / PEX)?

Answer: Please comply with the Project Specifications and Drawings.

Question: Can the sewage pipes be PVC series B according to NP 1329?

Answer: Please comply with the Project Specifications and Drawings.

Question: If fire extinguishing piping is to be done, can it be galvanized iron of the medium series conform to EN10255 for the reels?

Answer: Please comply with the Project Specifications and Drawings.

Question: And if there is a sprinkler network, can it be black iron of the medium series according to EN10255?

Answer: Please comply with the Project Specifications and Drawings.

Question: There is a detail with a submersible electric pump P-501. This Electric Pump is not found in sewage drawings nor is there any information on the operating point. For quoting we need more information of its location and brand, model.

Answer: Please comply with the Project Specifications and Drawings. (Ex. P-601)

Question: There is no any demolition materials contain ACM and/or LBP identified on this project?

Answer: Please comply with the Project’s Specifications.

General Note for Contractors: Contractor shall return existing Transformer, ATS and Generator to Government.