21-Q-1525 Amend 0001 PPI Response.pdf

Solicitation N69450‐21‐Q‐1525, Sidewalk Improvements, NAS Whiting Field PPI # Date Submitted Question Government Response Response Provided By

1 10/27/2020 What is the length of the new sidewalk for USS Langley and Ranger St? Exact dimensions were not provided as contractors were provided access to the site.

The SOW contains information and pictures to estimate dimensions. NASWF PWD

2 10/27/2020 What is the length of the new sidewalk for USS Long Island St? Exact dimensions were not provided as contractors were provided access to the site.

The SOW contains information and pictures to estimate dimensions. NASWF PWD

3 10/29/2020

To what extent does the contractor hold responsibility on sodding/seeding maintenance after construction is completed?

The contractor shall be responsible for the maintenance throughout the warranty period. AS A SUGGESTION and not a requirement, the contractor is encouraged to sub‐ contract with the BOS contractor address the maintenance of the sod and new tress. NASWF PWD

4 10/29/2020

Is there a water supply on site to maintain/irrigate the new sodding/seeding after construction is completed? A specific fire hydrant(s) will be available to the contractor for use. The contractor must have his own tested and certified backflow preventer in order to connect to the fire hydrant. The specific fire hydrant will be indicated during the pre‐construction meeting.

NASWF PWD

5 10/29/2020 Is the project expected to be phase out due to sidewalk closures, disruptions, heavy equipment blockage? The contractor shall be responsible for all disruptions to traffic. Submit your method for re‐directing traffic and any additional anticipated closures in your Traffic Maintenance Plan.

NASWF PWD

6 10/29/2020 What is the warranty requirement for all landscaping? The warranty period is one year. With a 95% survival rate. NASWF PWD

7 10/29/2020 Is there a specific maintenance schedule that must be adhered to during the landscaping warranty period? The contractor shall determine what is required to accomplish the 95% survival rate for the landscaping. The maintenance schedule for the trees is listed in the SOW.

NASWF PWD

8 10/29/2020 Can the onsite supervisor triple hat as the SSHO, QC Manager and Superintendent? Yes the onsite supervisor may serves as the SSHO, QC Manager and Superintendent. NASWF PWD

9 11/2/2020 Are there any compaction tests required and who pays for them? Contractor shall test soil density at a minimum of "one test per 2000 sq ft".

The contractor is responsible for the cost of testing.

NASWF PWD

10 11/2/2020

Will we have access to water for watering of the trees and the sod for the 1 year period? A specific fire hydrant(s) will be available to the contractor for use. The contractor must have his own tested and certified backflow preventer in order to connect to the fire hydrant. The specific fire hydrant will be indicated during the pre‐construction meeting.

NASWF PWD

11 11/2/2020 Is any curing compound allowed in concrete? No. The contractor shall still be responsible for properly curing the concrete. NASWF PWD

12 11/2/2020 Is the 20' existing sidewalk that is to be demo repoured? Yes, the section will be converted into a curb and ramp. See Keynote 4 of Attachment

4.1, Site Plan ‐ Sidewalk Improvements for the location to be demoed. NASWF PWD

13 11/2/2020 Do we adjust the valve boxes or pull boxes etc. in case they are higher than the new sidewalk? Yes the valve/pull boxes shall be adjusted as needed. The target elevation is "flush" with the top of the sidewalk, plus or minus 1/8 inch.

NASWF PWD

14 11/2/2020 What building permits are required? No "building permits" are required. NASWF PWD 15 11/4/2020 Would you provide scaled drawings for the sidewalk? No scaled drawings are available NASWF PWD

16 11/4/2020

The Ginkgo and Pecan trees are not locally available. We found the Ginkgo tree 700 miles away. Would you please replace the Ginkgo and Pecan trees with locally available trees?

The Ginkgo trees can be replaced with Winged Elms. Pecans can be purchase locally at a caliper size of 1 1/2". A reduced caliper size for the Pecan Tress is approved. NASWF PWD

17 11/4/2020 Provide make and model of existing pedestrian signs so we can match what is already existing? TAPCO, Blinker Sign Flashing LED Sign Pedestrian Crossing W11‐2. TAPCO Round Pole

Package with V‐Loc Breakaway Anchor.

NASWF PWD

18 11/9/2020 What is the total linear footage of the 6' wide Concrete Sidewalk? Exact dimensions were not provided as contractors were provided access to the site.

The SOW contains information and pictures to estimate dimensions.

NASWF PWD

19 11/9/2020 Please provide copy of sign‐in sheet for the Site Visit on 9 November 2020. Site Visit sign‐in sheet will be provided. NASWF PWD 20 11/9/2020 Can the intermediate contraction joints spaced five feet on center be sawcut in lieu of concrete jointer? No NASWF PWD 21 11/10/2020 The SOW, under CONSTRUCTION, Paragraph E mentions 95% of the Modified Proctor Maximum Density; is 3rd party testing required for this solicitation, and if so can you please define the limits of said testing?

Yes the contractor shall hire a third party testing agency at no additional cost to the government.

NASWF PWD

22 11/10/2020

In the SOW, Under CONSTRUCTION, paragraph F states: New sod shall be placed along all sides of the sidewalk.

The species of sod shall match the existing sod adjacent to the new sidewalk. Question: Could you please define the actual limits of sod placement‐ will it be a 4' section on each side of the sidewalk, or only the 1' that is disturbed as mentioned in paragraph B? Also, can you please confirm if Saint Augustine sod is acceptable.

New sod shall be placed where existing vegetation is disturbed. The new sod shall match the existing surrounding vegetation disturbed. If no established sod is present the contractor shall install "Centipede". At least 1 foot of new sod shall be installed spanning each of the sidewalk.

NASWF PWD

23 11/10/2020 Could we please request a copy of the site visit sign in list? Site Visit sign‐in sheet will be provided. NASWF PWD

PRE‐PROPOSAL INQUIRIES

24 11/10/2020 What is protocol/Are there any specific arborist requirents or permits needed for removing the trees? (They appear to be live oaks)?

No permits will be required to remove the trees.

NASWF PWD

25 11/10/2020 Are the depths of the utility lines known where the sidewalk is to be placed on Langley? The depths of the utilities shall be determined by the contractor. NASWF PWD

26 11/10/2020 Are the elevations specified for new sidewalk relative to existing structures such as water valves and manholes? The target elevation is "flush" with the top of the sidewalk, plus or minus 1/8 inch.

NASWF PWD

27 11/10/2020 There is a manhole at the base of one of the trees that has to be removed that is located in between the buildings. The tree roots might cause problems when removing the tree and could cause damage to the manhole. Is it the intent to potentially replace the manhole as necessary?

The contractor shall be responsible for all damage caused during construction and or demolition. The trees shall be removed in accordance with the SOW and Attachment

4.4 ‐ Tree Removal Plan.

NASWF PWD

28 11/10/2020 Do the existing water valves need to be relocated or does sidewalk get installed and finished around existing water valves?

Valves do not get relocated. See the SOW, section "Potential Obstruction and/or Conflicts".

NASWF PWD

29 11/10/2020 While performing the pedestrian crosswalk marking on the roadways, who will be responsible to direct traffic while this work takes place?

As stated in the SOW the contractor shall be responsible for all disruptions to traffic.

Submit your method for re‐directing traffic in your Traffic Maintenance Plan. NASWF PWD

30 11/10/2020 While performing the pedestrian crosswalk marking on the roadways, is there a restriction of time, when can this work be performed?

There are no restriction of time. This will be solidified during the review of the contactor submitted Traffic Maintenance Plan.

NASWF PWD

31 11/10/2020 Please provide list of site visit attendees? Site Visit sign‐in sheet will be provided. NASWF PWD

32 11/12/2020 Are there any compaction tests required and who pays for them? Yes the contractor shall hire a third party testing agency at no additional cost to the government.

NASWF PWD

33 11/12/2020

Will we have access to water for watering of the trees and the sod for the 1 year period? A specific fire hydrant(s) will be available to the contractor for use. The contractor must have his own tested and certified backflow preventer in order to connect to the fire hydrant. The specific fire hydrant will be indicated during the pre‐construction meeting.

NASWF PWD

34 11/12/2020 Is any curing compound allowed in concrete? No. The contractor shall still be responsible for properly curing the concrete. NASWF PWD

35 11/12/2020 Is the 20' existing sidewalk that is to be demo repoured? Yes, the section will be converted into a curb and ramp. See Keynote 4 of Attachment

4.1, Site Plan ‐ Sidewalk Improvements for the location to be demoed. NASWF PWD

36 11/12/2020 Do we adjust the valve boxes or pull boxes etc. in case they are higher or lower than the new sidewalk? Yes the valve/pull boxes shall be adjusted as needed. The target elevation is "flush" with the top of the sidewalk, plus or minus 1/8 inch. NASWF PWD

37 11/12/2020 What building permits are required? No building permits are required. NASWF PWD

38 11/12/2020 For the tree removal aspect what treatment is required for the roots? No treatment is require for the remaining roots. The contractor shall ensure the remaining root system does not conflict with the sidewalk and new planted trees. NASWF PWD

39 11/12/2020 Is the contractor required to provide portable toilet for its workers? Yes NASWF PWD

40 11/12/2020 Will the contractor be provided a designated area for storing materials? Staging and storing areas will be discussed and coordinated during the Pre‐

Construction meeting.

NASWF PWD

41 11/12/2020 Please provide Pre‐Bid Site Walk Sign‐in roster? Site Visit sign‐in sheet will be provided. NASWF PWD

42 11/12/2020 Is there a total sidewalk linear footage for new construction and demolition? Exact dimensions were not provided as contractors were provided access to the site.

The SOW contains information and pictures to estimate dimensions.

NASWF PWD

43 11/12/2020 What are the testing parameters/intervals for the soils and concrete testing requirements? Contractor shall test soil density at a minimum of "one test per 2000 sq ft".

The contractor is responsible for the cost of testing. NASWF PWD

44 11/13/2020

SOW states that sidewalks shall be 6' wide and stay 2' away from hydrants and utility poles. There is at least one instance when that might not be feasible at the corner of USS Long Insland and USS Ranger. Please confirm that the contractor should not include utility relocation in the proposal as this is a minor issue that can be arranged in the field?

Confirmed

NASWF PWD

45 11/13/2020

Regarding watering, SOW page 3, section G, and page 8, section C. May contractor use base water or should contractor plan on using water trucks as needed?

A specific fire hydrant(s) will be available to the contractor for use. The contractor must have his own tested and certified backflow preventer in order to connect to the fire hydrant. The specific fire hydrant will be indicated during the pre‐construction meeting.

NASWF PWD

46 11/13/2020 Will a separate CQM, SSHO and superintendent be required or can one individual serve in all 3 capacities? Yes one individual may serve as the CQM, SSHO and the superintendent. NASWF PWD

47 11/13/2020 Regarding SOW page 5, section U, does the stormwater management plan need to be approved by an environmental engineer?

No

NASWF PWD

48 11/13/2020

Regarding SOW page 12, section 2.12, is a GPR survey of the entire work area to be included in the proposal? The contractor shall be responsible for determining the "means and methods" for meeting the requirements of Section 2.12 of the SOW including conducting a Utility Quality Level A survey. GPR may be required to complete a Utility Quality Level A survey.

NASWF PWD

49 11/13/2020 How long are we responsible for watering the trees with the watering bag system? Through out the one‐year warranty period NASWF PWD

50 11/13/2020 Will you provide a laydown area for dirt, materials,landscaping,equipment etc.? Staging and storing areas will be discussed and coordinated during the Pre‐

Construction meeting.

NASWF PWD

51 11/13/2020 Will you provide an area for us to place dumpsters? Staging and storing areas will be discussed and coordinated during the Pre‐

Construction meeting.

NASWF PWD

52 11/13/2020 Is there an existing irrigation system in the area where the new sidewalk will be installed? No NASWF PWD

53 11/13/2020 What are the staffing requirements? Do we have to provide 3 separate people for the CQM, Superintendent and Site Safety Health Officer? Could one person perform all three positions?

Yes the onsite supervisor may serves as the SSHO, QC Manager and Superintendent.

NASWF PWD

54 11/13/2020 The RFQ does not indicate the necessity for past performance references. I would like to verify that we do not need to provide past performance references?

Past performance references are not required.

NASWF PWD

55 11/13/2020 The mock sidewalk, if accepted, will become part of the final work, correct? Correct NASWF PWD 56 11/13/2020 Please confirm that mowing the new sod strip is not in the SOW? Confirmed NASWF PWD

57 11/13/2020 How wide a sod strip is required at sides of new sidewalk? New sod shall be placed where existing vegetation is disturbed. At least 1 foot of new sod shall be installed spanning each of the sidewalk.

NASWF PWD

58 11/13/2020 Is the source of the water for new sod and trees on base, and in the vicinity of the new work? No NASWF PWD 59 11/13/2020 Is water‐based cure and seal compound acceptable for curing freshly placed concrete? No NASWF PWD

60 11/13/2020 Is silt‐fence going to be required? If so, please show extents of silt‐fence. A silt fence will be required around areas of demolition of the sidewalk. The contractor shall determine the extent of the demolition work area. This shall be approved by the Contracting Officer.

NASWF PWD

61 11/13/2020 Is the Government going to furnish a survey CADD file to the contractor so we can make as‐built changes? No. Redline marked up drawings are acceptable.

NASWF PWD

62 11/13/2020 The utility quality level A survey is required at new trees, pedestrian crossing signs, demolition of existing sidewalks, cutting and removal of curbs, and cutting and removing pavement, correct? But not required for the full length of the new sidewalk, correct?

The sidewalk shall meet the requirements of Section 2.12 of the SOW including a Utility Quality Level A survey. NASWF PWD

63 11/13/2020

Please confirm that water will be provided by the Government free of charge? A specific fire hydrant(s) will be available to the contractor for use. The contractor must have his own tested and certified backflow preventer in order to connect to the fire hydrant. The specific fire hydrant will be indicated during the pre‐construction meeting.

NASWF PWD

64 11/13/2020 At the corner of USS Long Island st. and rnager st. there several obstructions in the path of the new sidewalk.

The sidewalk will need to veer off towards the building and stay in between the utility pedestals and B3200's mechanical equipment. Is this acceptable?

Yes it is acceptable to make deviations in the sidewalk path to avoid obstructions and conflicts. Deviations shall be made in coordination with the SOW and Attachment 4.2, Detail A4.

NASWF PWD

65 11/13/2020 Please confirm the contractor will not be required to relocate any utilities, light posts, fire hydrants, and/or utility cabinets.

Confirmed

NASWF PWD

66 11/13/2020 Please advise if any 3rd party inspections are required for any part of SOW? The government will perform the inspections. The contractor shall hire the appropriate testing agency, at no additional cost to the government.

NASWF PWD

67 11/13/2020

Please advise if facility water can be utilizied for all aspects of the job? A specific fire hydrant(s) will be available to the contractor for use. The contractor must have his own tested and certified backflow preventer in order to connect to the fire hydrant. The specific fire hydrant will be indicated during the pre‐construction meeting.

NASWF PWD

68 11/13/2020 Please advise if the base has an existing concrete washout area? The contractor shall be responsible for their own washout area. NASWF PWD

69 11/13/2020 Please provide make and model of the typical pedestrian crossing sign the government currently has installed? TAPCO, Blinker Sign Flashing LED Sign Pedestrian Crossing W11‐2. TAPCO Round Pole

Package with V‐Loc Breakaway Anchor.

NASWF PWD

70 11/13/2020 Is it mandatory for the prime contractor to have a construction office trailer? No NASWF PWD 71 11/13/2020 Is it mandatory for the prime contractor to have a project sign? No NASWF PWD