S05 - Technical Question and Answers Hines IFB 36C77621B0006.docx

Technical Question and Answers Hines IFB 36C77621B0006 Note: A revised attachment 20 – Combined drawings set, has been attached. The changes are bubbles so they can be easily found. This adjusts the demo scope.

Demo:

1. Are we removing the steam unit heaters and piping that are located around the interior if so are going to cut and cap they won’t have any heat for the sprinkler system. Steam unit heaters and associated piping within the interior demolition area are to remain.

1. Are we responsible to remove the pneumatic controls and cut and cap ? Yes

Roof:

1. May a roof manufacture approved vapor retarder be installed after removal of existing roof system? The need is to provide a watertight condition and protection from associated debris from both the masonry wall rebuild and concrete decking infills. Upon completion of said work, the vapor barrier will be broom cleaned and the new roof system in it's entirety installed. It is acceptable to install a vapor barrier on the concrete roof deck, after the deck is repaired, provided it is approved by the manufacturer of the roof system in writing.

1. A-300, Detail 9/A101: Does this refer to one window or the (3) windows in that section of the building? Detail 9/A101 applies to the three windows.

1. Lintel beams at (2) large south elevation overhead doors have a sag. Should we assume replacement? Per the drawings remove the first three courses of brick above the lintel. Prep and repaint the lintel and reinstall brick.

1. A-300 states “Repair overhead doors to working order”. Please clarify the scope, do the doors need to be replaced, is the motor operational?

3. Bid to include an inspection by a qualified door service technician and $3,000 for repair of each overhead door.

1. A-300 states “install 2” deep aluminum composite material panel and 6” mineral wool insulation.” Please provide more information about the 2” deep aluminum composite material.

4. Refer to ASK-01 for additional information about the 2” metal panel.

1. A-300 states “Clean all windows and frames at the end of the project.” Are we cleaning interior and exterior or just exterior?

5. Clean the exterior of all windows. Clean the interior of all windows in the area of the building to remain occupied. Do not clean the interior of the windows in the demolition areas.

1. Are the new galvanized stairs and rail to be painted?

6. Do not paint the galvanized exterior stair. All galvanizing damaged during installation and assembly to be touched up using zinc rich primer.

1. Will a SSHO, SUPERINTENDENT & QC be required as three separate individuals for this project?

7. The SSHO, SUPERINTENDENT & QC can be the same person provided they are qualified to perform all the jobs and have sufficient capacity for all positions.

1. Will a second site walk be scheduled?

8. No, we will not be scheduling a second site visit.

1. Sheet A-001 and the provided asbestos survey, (17) Building 20 asbestos Survey 2011 appear not to correspond in room numbers and square footage. Some rooms listed on sheet A-001 aren’t listed in the asbestos survey, other rooms that are listed on the asbestos survey and Sheet A-001 have significantly different square footage. Furthermore the asbestos survey includes rooms on the second floor but the drawings don’t show room numbers from the second floor. Are we to assume all quantities on the asbestos survey are to be abated regardless of location?

9. All asbestos in the demolition/construction areas are to be fully abated according to specification section 02 82 11 Traditional Asbestos Abatement.

9. All existing painted surfaces in the demolition areas are assumed to contain lead and shall be abated according to specification section 02 83 33.13 LEAD-BASED PAINT REMOVAL AND DISPOSAL.

1. Ref drawingA-300- General note 5 requires the contractor to rod out storm piping to nearest manhole. Will site utility drawings be provided showing manholes and piping?

See attached Hines Underground Utility Plan

1. Ref drawing A-001- General note 2 indicated scope of work shall govern in event of discrepancies. Will a separate scope of work be provided?

See attached Hines SOW

1. Ref section 02 82 11- Part 1.1.2 A indicates noting in this section may be interpreted as limiting the extent of work otherwise required by this contract and related documents. The bld. 20 asbestos survey report 2011 has room numbers that are not shown on drawings. Also pipe insulation is noted in some in accessible areas with no quantities provided. Will specific quantities be provide and a drawing showing each room number associated with the asbestos report with a full list of material quantities that are to be removed ?

See attached inspection summary report

1. During the site walk-thru it was noted that various ductwork and piping run above ceilings scheduled for removal. Will all ductwork and piping remain?

Answer: All ductwork and piping above ceiling in areas within the demolition zone shall be removed and disposed of by the contractor.

1. Will ceramic floor tile require removal for the various rooms with ceramic tile?

Answer: All ceramic tile in areas within the demolition zone shall be removed and disposed of by the contractor.

1. During the site walk-thru it was noted that various furniture, casework equipment and other furnishings are present within spaces scheduled for demolition. Who is responsible to remove these items?

Answer: The government will remove the furniture.

1. Do the CMU walls scheduled for demolition have grouted cores?

Answer: Unknown.

1. Topic: Management Question: Please confirm personnel requirements for this project. Can (1) superintendent fulfill SSHO requirements? Or does (1) superintendent and (1) SSHO need to be on site full-time?

Answer: Superintendent can also be the SSHO provided the individual is qualified for both positions and has enough available time for both positions.

1. Topic: Work Hours Question: Please confirm work hours for this project are as what was specified.

Answer: Work hours are as specified in the SOW. Hines is willing to consider nights and weekends to meet the specified schedule.

1. Spec: 07 – Roofing Topic: Roofing Warranty Question: Please confirm who has roofing warranty and provide point of contact for the facility.

Answer: This question does not affect the bid and this information will be provided after NTP.

1. Spec: General Conditions Topic: Material Staging Question: Please confirm if contract has material staging location at facility. If so, where is it? Is prime contractor responsible for any costs associated with staging?

Answer: Contractor can stage materials within the fenced area provided the Grounds department activities are not impacted.

1. Topic: SOW Question: Please confirm order of precedence for the contract documents. Does SOW prevail over all documents?

Answer: Order of precedence is SOW, Specifications, Drawings.

1. Question: Please confirm all drawings required were provided with the original documents. Only 4 drawings provided.

Answer: There are only 4 drawings in the set.

1. Question: Please confirm the asbestos requirements for this project, the report does not provide good detail on what exactly is required to be done.

Answer:

Refer to attached asbestos reports for additional information. All asbestos in the demolition/construction areas are to be fully abated according to specification section 02 82 11 Traditional Asbestos Abatement.

All existing painted surfaces in the demolition areas are assumed to contain lead and shall be abated according to specification section 02 83 33.13 LEAD-BASED PAINT REMOVAL AND DISPOSAL.

1. Topic: Electrical Demolition Question: Terminations of power back to electrical closest distribution panels or further? Please specify.

Answer: All electrical conduit and cable shall be removed back to electrical closet distribution panels.

1. Topic: Sprinkler Heads Question: Please confirm that CTR is responsible for turning sprinkler heads upside down during construction.

Answer: Existing sprinkler heads are to be turn upside down during demo and left in working order, in place.

1. Topic: Carpet Tile Question: Please confirm if the existing carpet tile is ACM.

Answer: Refer to attached asbestos reports for additional information.

1. Topic: Floor Tile Question: Please confirm if there is ACM tile underneath the existing carpet tile.

Answer: Refer to attached asbestos reports for additional information.

1. Topic: Stored Materials Question: There is currently a large amount of existing furniture stored throughout the area of work.

Please confirm who is responsible for removing this before construction begins.

Answer: Furniture will be removed by the government.

1. Topic: Masonry Question: Power washing the brick will destroy the material. Please confirm that the intention is to have the brick façade tuckpointed and sealed.

Answer: The intent of general note 3 on sheet A-300 is to prevent pressure washing the brick. No pressure washing of masonry is permitted.

1. Topic: Lighting Installation Question: Is the contractor to remove all electrical from the side of the building, including lights? Or are we providing the light fixtures for lighting until the next phase of the project?

Answer: Remove all exterior lighting and associated conduits. The follow on project will include new exterior lighting.

1. Topic: Elevator Question: Confirm is the contractor will have access to the freight elevator. If yes, please provide the weight limit.

Answer Access to the freight elevator will be provided to the contractor through the VA.

1. Topic: Air Handling Unit Question: Please confirm the 2nd floor air handler is independent of the 1st floor unit.

Answer: Unknown

1. Topic: Specifications Question: Please confirm that all required specifications were provided. Only up to division 9 specifications were provided.

Answer: There are no specification sections after 09 91 00 PAINTING.

1. During the site walk-thru it was noted that various active electrical panels and communication lines were present on walls scheduled for demolition. Will the VA staff be removing all conduits and electrical panels? If not, what will be required by the contractor?

Answer: The contractor is responsible for removing all conduit and cable back to the electrical distribution closets panels.